Megatest

%!PS-Adobe-3.0
%%Creator: graphviz version 2.38.0 (20140413.2041)
%%Title: G
%%Pages: (atend)
%%BoundingBox: (atend)
%%EndComments
save
%%BeginProlog
/DotDict 200 dict def
DotDict begin

/setupLatin1 {
mark
/EncodingVector 256 array def
 EncodingVector 0

ISOLatin1Encoding 0 255 getinterval putinterval
EncodingVector 45 /hyphen put

% Set up ISO Latin 1 character encoding
/starnetISO {
        dup dup findfont dup length dict begin
        { 1 index /FID ne { def }{ pop pop } ifelse
        } forall
        /Encoding EncodingVector def
        currentdict end definefont
} def
/Times-Roman starnetISO def
/Times-Italic starnetISO def
/Times-Bold starnetISO def
/Times-BoldItalic starnetISO def
/Helvetica starnetISO def
/Helvetica-Oblique starnetISO def
/Helvetica-Bold starnetISO def
/Helvetica-BoldOblique starnetISO def
/Courier starnetISO def
/Courier-Oblique starnetISO def
/Courier-Bold starnetISO def
/Courier-BoldOblique starnetISO def
cleartomark
} bind def

%%BeginResource: procset graphviz 0 0
/coord-font-family /Times-Roman def
/default-font-family /Times-Roman def
/coordfont coord-font-family findfont 8 scalefont def

/InvScaleFactor 1.0 def
/set_scale {
       dup 1 exch div /InvScaleFactor exch def
       scale
} bind def

% styles
/solid { [] 0 setdash } bind def
/dashed { [9 InvScaleFactor mul dup ] 0 setdash } bind def
/dotted { [1 InvScaleFactor mul 6 InvScaleFactor mul] 0 setdash } bind def
/invis {/fill {newpath} def /stroke {newpath} def /show {pop newpath} def} bind def
/bold { 2 setlinewidth } bind def
/filled { } bind def
/unfilled { } bind def
/rounded { } bind def
/diagonals { } bind def
/tapered { } bind def

% hooks for setting color 
/nodecolor { sethsbcolor } bind def
/edgecolor { sethsbcolor } bind def
/graphcolor { sethsbcolor } bind def
/nopcolor {pop pop pop} bind def

/beginpage {	% i j npages
	/npages exch def
	/j exch def
	/i exch def
	/str 10 string def
	npages 1 gt {
		gsave
			coordfont setfont
			0 0 moveto
			(\() show i str cvs show (,) show j str cvs show (\)) show
		grestore
	} if
} bind def

/set_font {
	findfont exch
	scalefont setfont
} def

% draw text fitted to its expected width
/alignedtext {			% width text
	/text exch def
	/width exch def
	gsave
		width 0 gt {
			[] 0 setdash
			text stringwidth pop width exch sub text length div 0 text ashow
		} if
	grestore
} def

/boxprim {				% xcorner ycorner xsize ysize
		4 2 roll
		moveto
		2 copy
		exch 0 rlineto
		0 exch rlineto
		pop neg 0 rlineto
		closepath
} bind def

/ellipse_path {
	/ry exch def
	/rx exch def
	/y exch def
	/x exch def
	matrix currentmatrix
	newpath
	x y translate
	rx ry scale
	0 0 1 0 360 arc
	setmatrix
} bind def

/endpage { showpage } bind def
/showpage { } def

/layercolorseq
	[	% layer color sequence - darkest to lightest
		[0 0 0]
		[.2 .8 .8]
		[.4 .8 .8]
		[.6 .8 .8]
		[.8 .8 .8]
	]
def

/layerlen layercolorseq length def

/setlayer {/maxlayer exch def /curlayer exch def
	layercolorseq curlayer 1 sub layerlen mod get
	aload pop sethsbcolor
	/nodecolor {nopcolor} def
	/edgecolor {nopcolor} def
	/graphcolor {nopcolor} def
} bind def

/onlayer { curlayer ne {invis} if } def

/onlayers {
	/myupper exch def
	/mylower exch def
	curlayer mylower lt
	curlayer myupper gt
	or
	{invis} if
} def

/curlayer 0 def

%%EndResource
%%EndProlog
%%BeginSetup
14 default-font-family set_font
1 setmiterlimit
% /arrowlength 10 def
% /arrowwidth 5 def

% make sure pdfmark is harmless for PS-interpreters other than Distiller
/pdfmark where {pop} {userdict /pdfmark /cleartomark load put} ifelse
% make '<<' and '>>' safe on PS Level 1 devices
/languagelevel where {pop languagelevel}{1} ifelse
2 lt {
    userdict (<<) cvn ([) cvn load put
    userdict (>>) cvn ([) cvn load put
} if

%%EndSetup
setupLatin1
%%Page: 1 1
%%PageBoundingBox: 36 36 450 550
%%PageOrientation: Portrait
0 0 1 beginpage
gsave
36 36 414 514 boxprim clip newpath
1 1 set_scale 0 rotate 40 40 translate
% cluster_2
gsave
1 setlinewidth
0.33333 1 1 graphcolor
newpath 8 8 moveto
8 498 lineto
341 498 lineto
341 8 lineto
closepath stroke
0 0 0 graphcolor
14 /Times-Roman set_font
143 482.8 moveto 63 (client:setup) alignedtext
grestore
% cluster_3
gsave
1 setlinewidth
0 0 0 graphcolor
newpath 16 342 moveto
16 467 lineto
166 467 lineto
166 342 lineto
closepath stroke
grestore
% client:setup start
gsave
0 0 0.82745 nodecolor
newpath 282 386 moveto
176 386 lineto
176 350 lineto
282 350 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 282 386 moveto
176 386 lineto
176 350 lineto
282 350 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
184 364.3 moveto 90 (client:setup start) alignedtext
grestore
% runremote_lookup_server
gsave
0 0 0.82745 nodecolor
newpath 217.5 313 moveto
60.5 313 lineto
60.5 277 lineto
217.5 277 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 217.5 313 moveto
60.5 313 lineto
60.5 277 lineto
217.5 277 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
68.5 291.3 moveto 141 (runremote_lookup_server) alignedtext
grestore
% client:setup start->runremote_lookup_server
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 207.21 349.81 moveto
195.61 340.66 181.16 329.26 168.56 319.32 curveto
stroke
0 0 0 edgecolor
newpath 170.6 316.47 moveto
160.59 313.03 lineto
166.27 321.97 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 170.6 316.47 moveto
160.59 313.03 lineto
166.27 321.97 lineto
closepath stroke
grestore
% login_attempt
gsave
0 0 0.82745 nodecolor
newpath 324 139 moveto
232 139 lineto
232 103 lineto
324 103 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 324 139 moveto
232 139 lineto
232 103 lineto
324 103 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
240 117.3 moveto 76 (login_attempt) alignedtext
grestore
% runremote_lookup_server->login_attempt
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 190.79 276.8 moveto
200.53 272.04 210.12 266.16 218 259 curveto
250.85 229.16 251.17 213.46 267 172 curveto
269.79 164.69 271.96 156.5 273.61 148.9 curveto
stroke
0 0 0 edgecolor
newpath 277.06 149.52 moveto
275.54 139.03 lineto
270.19 148.17 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 277.06 149.52 moveto
275.54 139.03 lineto
270.19 148.17 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
261 204.3 moveto 63 (have server) alignedtext
grestore
% monitordb_lookup_server
gsave
0 0 0.82745 nodecolor
newpath 194 226 moveto
36 226 lineto
36 190 lineto
194 190 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 194 226 moveto
36 226 lineto
36 190 lineto
194 190 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
44 204.3 moveto 142 (monitordb_lookup_server) alignedtext
grestore
% runremote_lookup_server->monitordb_lookup_server
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 134.14 276.8 moveto
130.83 265.05 126.36 249.24 122.58 235.84 curveto
stroke
0 0 0 edgecolor
newpath 125.94 234.85 moveto
119.85 226.18 lineto
119.2 236.75 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 125.94 234.85 moveto
119.85 226.18 lineto
119.2 236.75 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
129 247.8 moveto 51 (no server) alignedtext
grestore
% rmt:send-receive_start
gsave
0 0 0.82745 nodecolor
newpath 289 52 moveto
151 52 lineto
151 16 lineto
289 16 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 289 52 moveto
151 52 lineto
151 16 lineto
289 16 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
159 30.3 moveto 122 (rmt:send-receive_start) alignedtext
grestore
% login_attempt->rmt:send-receive_start
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 266.26 102.8 moveto
258.01 90.7 246.82 74.3 237.51 60.67 curveto
stroke
0 0 0 edgecolor
newpath 240.25 58.46 moveto
231.72 52.18 lineto
234.47 62.41 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 240.25 58.46 moveto
231.72 52.18 lineto
234.47 62.41 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
253 73.8 moveto 82 (login sucessful) alignedtext
grestore
% clear_runremote
gsave
0 0 0.82745 nodecolor
newpath 151 459 moveto
45 459 lineto
45 423 lineto
151 423 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 151 459 moveto
45 459 lineto
45 423 lineto
151 423 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
53 437.3 moveto 90 (clear_runremote) alignedtext
grestore
% login_attempt->clear_runremote
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 294.97 139.02 moveto
306.47 151.83 320.7 170.47 327 190 curveto
354.2 274.29 351.99 321.78 291 386 curveto
257.73 421.03 203.76 433.95 161.34 438.43 curveto
stroke
0 0 0 edgecolor
newpath 161.01 434.95 moveto
151.38 439.36 lineto
161.66 441.92 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 161.01 434.95 moveto
151.38 439.36 lineto
161.66 441.92 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
343 291.3 moveto 63 (login failed) alignedtext
grestore
% monitordb_lookup_server->login_attempt
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 115.13 189.95 moveto
116.14 179.1 119.27 165.52 128 157 curveto
141.39 143.95 184.91 134.71 221.65 129.01 curveto
stroke
0 0 0 edgecolor
newpath 222.43 132.44 moveto
231.81 127.5 lineto
221.4 125.51 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 222.43 132.44 moveto
231.81 127.5 lineto
221.4 125.51 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
128 160.8 moveto 63 (have server) alignedtext
grestore
% server_start_remote
gsave
0 0 0.82745 nodecolor
newpath 161.5 139 moveto
36.5 139 lineto
36.5 103 lineto
161.5 103 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 161.5 139 moveto
36.5 139 lineto
36.5 103 lineto
161.5 103 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
44.5 117.3 moveto 109 (server_start_remote) alignedtext
grestore
% monitordb_lookup_server->server_start_remote
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 71.66 189.93 moveto
64.6 185.19 58.22 179.29 54 172 curveto
48.62 162.72 52.9 153.65 60.6 145.85 curveto
stroke
0 0 0 edgecolor
newpath 63.17 148.26 moveto
68.45 139.07 lineto
58.59 142.96 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 63.17 148.26 moveto
68.45 139.07 lineto
58.59 142.96 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
54 160.8 moveto 51 (no server) alignedtext
grestore
% delay_2_sec
gsave
0 0 0.82745 nodecolor
newpath 116.5 52 moveto
33.5 52 lineto
33.5 16 lineto
116.5 16 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 116.5 52 moveto
33.5 52 lineto
33.5 16 lineto
116.5 16 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
41.5 30.3 moveto 67 (delay_2_sec) alignedtext
grestore
% server_start_remote->delay_2_sec
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 94.14 102.8 moveto
90.83 91.05 86.36 75.24 82.58 61.84 curveto
stroke
0 0 0 edgecolor
newpath 85.94 60.85 moveto
79.85 52.18 lineto
79.2 62.75 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 85.94 60.85 moveto
79.85 52.18 lineto
79.2 62.75 lineto
closepath stroke
grestore
% delay_2_sec->runremote_lookup_server
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 58.78 52.17 moveto
47.77 65.05 34.14 83.72 28 103 curveto
12.8 150.76 20.08 213.71 27 226 curveto
38.66 246.72 59.47 261.86 80.02 272.52 curveto
stroke
0 0 0 edgecolor
newpath 78.57 275.71 moveto
89.09 276.96 lineto
81.65 269.42 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 78.57 275.71 moveto
89.09 276.96 lineto
81.65 269.42 lineto
closepath stroke
grestore
% rmt:send-receive_start->runremote_lookup_server
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 218.57 52.19 moveto
214.71 98.36 204.3 221.87 203 226 curveto
197.91 242.14 195.11 246.23 184 259 curveto
180.6 262.91 176.7 266.69 172.65 270.22 curveto
stroke
0 0 0 edgecolor
newpath 170.29 267.64 moveto
164.79 276.69 lineto
174.73 273.05 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 170.29 267.64 moveto
164.79 276.69 lineto
174.73 273.05 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
210 160.8 moveto 53 (exception) alignedtext
grestore
% rmt:send-receive_start->rmt:send-receive_start
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 289.27 41.18 moveto
299.83 40.09 307 37.69 307 34 curveto
307 31.64 304.06 29.8 299.17 28.5 curveto
stroke
0 0 0 edgecolor
newpath 299.72 25.05 moveto
289.27 26.82 lineto
298.55 31.95 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 299.72 25.05 moveto
289.27 26.82 lineto
298.55 31.95 lineto
closepath stroke
grestore
% remove_running > 5s
gsave
0 0 0.82745 nodecolor
newpath 158 386 moveto
24 386 lineto
24 350 lineto
158 350 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 158 386 moveto
24 386 lineto
24 350 lineto
158 350 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
32 364.3 moveto 118 (remove_running > 5s) alignedtext
grestore
% clear_runremote->remove_running > 5s
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 96.31 422.81 moveto
95.51 414.79 94.55 405.05 93.67 396.07 curveto
stroke
0 0 0 edgecolor
newpath 97.14 395.64 moveto
92.68 386.03 lineto
90.18 396.32 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 97.14 395.64 moveto
92.68 386.03 lineto
90.18 396.32 lineto
closepath stroke
grestore
% remove_running > 5s->runremote_lookup_server
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 102.62 349.81 moveto
108.4 341.27 115.49 330.77 121.88 321.32 curveto
stroke
0 0 0 edgecolor
newpath 124.79 323.27 moveto
127.49 313.03 lineto
118.99 319.35 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 124.79 323.27 moveto
127.49 313.03 lineto
118.99 319.35 lineto
closepath stroke
grestore
endpage
showpage
grestore
%%PageTrailer
%%EndPage: 1
%%Trailer
%%Pages: 1
%%BoundingBox: 36 36 450 550
end
restore
%%EOF

%!PS-Adobe-3.0
%%Creator: graphviz version 2.38.0 (20140413.2041)
%%Title: G
%%Pages: (atend)
%%BoundingBox: (atend)
%%EndComments
save
%%BeginProlog
/DotDict 200 dict def
DotDict begin

/setupLatin1 {
mark
/EncodingVector 256 array def
 EncodingVector 0

ISOLatin1Encoding 0 255 getinterval putinterval
EncodingVector 45 /hyphen put

% Set up ISO Latin 1 character encoding
/starnetISO {
        dup dup findfont dup length dict begin
        { 1 index /FID ne { def }{ pop pop } ifelse
        } forall
        /Encoding EncodingVector def
        currentdict end definefont
} def
/Times-Roman starnetISO def
/Times-Italic starnetISO def
/Times-Bold starnetISO def
/Times-BoldItalic starnetISO def
/Helvetica starnetISO def
/Helvetica-Oblique starnetISO def
/Helvetica-Bold starnetISO def
/Helvetica-BoldOblique starnetISO def
/Courier starnetISO def
/Courier-Oblique starnetISO def
/Courier-Bold starnetISO def
/Courier-BoldOblique starnetISO def
cleartomark
} bind def

%%BeginResource: procset graphviz 0 0
/coord-font-family /Times-Roman def
/default-font-family /Times-Roman def
/coordfont coord-font-family findfont 8 scalefont def

/InvScaleFactor 1.0 def
/set_scale {
       dup 1 exch div /InvScaleFactor exch def
       scale
} bind def

% styles
/solid { [] 0 setdash } bind def
/dashed { [9 InvScaleFactor mul dup ] 0 setdash } bind def
/dotted { [1 InvScaleFactor mul 6 InvScaleFactor mul] 0 setdash } bind def
/invis {/fill {newpath} def /stroke {newpath} def /show {pop newpath} def} bind def
/bold { 2 setlinewidth } bind def
/filled { } bind def
/unfilled { } bind def
/rounded { } bind def
/diagonals { } bind def
/tapered { } bind def

% hooks for setting color 
/nodecolor { sethsbcolor } bind def
/edgecolor { sethsbcolor } bind def
/graphcolor { sethsbcolor } bind def
/nopcolor {pop pop pop} bind def

/beginpage {	% i j npages
	/npages exch def
	/j exch def
	/i exch def
	/str 10 string def
	npages 1 gt {
		gsave
			coordfont setfont
			0 0 moveto
			(\() show i str cvs show (,) show j str cvs show (\)) show
		grestore
	} if
} bind def

/set_font {
	findfont exch
	scalefont setfont
} def

% draw text fitted to its expected width
/alignedtext {			% width text
	/text exch def
	/width exch def
	gsave
		width 0 gt {
			[] 0 setdash
			text stringwidth pop width exch sub text length div 0 text ashow
		} if
	grestore
} def

/boxprim {				% xcorner ycorner xsize ysize
		4 2 roll
		moveto
		2 copy
		exch 0 rlineto
		0 exch rlineto
		pop neg 0 rlineto
		closepath
} bind def

/ellipse_path {
	/ry exch def
	/rx exch def
	/y exch def
	/x exch def
	matrix currentmatrix
	newpath
	x y translate
	rx ry scale
	0 0 1 0 360 arc
	setmatrix
} bind def

/endpage { showpage } bind def
/showpage { } def

/layercolorseq
	[	% layer color sequence - darkest to lightest
		[0 0 0]
		[.2 .8 .8]
		[.4 .8 .8]
		[.6 .8 .8]
		[.8 .8 .8]
	]
def

/layerlen layercolorseq length def

/setlayer {/maxlayer exch def /curlayer exch def
	layercolorseq curlayer 1 sub layerlen mod get
	aload pop sethsbcolor
	/nodecolor {nopcolor} def
	/edgecolor {nopcolor} def
	/graphcolor {nopcolor} def
} bind def

/onlayer { curlayer ne {invis} if } def

/onlayers {
	/myupper exch def
	/mylower exch def
	curlayer mylower lt
	curlayer myupper gt
	or
	{invis} if
} def

/curlayer 0 def

%%EndResource
%%EndProlog
%%BeginSetup
14 default-font-family set_font
1 setmiterlimit
% /arrowlength 10 def
% /arrowwidth 5 def

% make sure pdfmark is harmless for PS-interpreters other than Distiller
/pdfmark where {pop} {userdict /pdfmark /cleartomark load put} ifelse
% make '<<' and '>>' safe on PS Level 1 devices
/languagelevel where {pop languagelevel}{1} ifelse
2 lt {
    userdict (<<) cvn ([) cvn load put
    userdict (>>) cvn ([) cvn load put
} if

%%EndSetup
setupLatin1
%%Page: 1 1
%%PageBoundingBox: 36 36 502 935
%%PageOrientation: Portrait
0 0 1 beginpage
gsave
36 36 466 899 boxprim clip newpath
1 1 set_scale 0 rotate 40 40 translate
% cluster_1
gsave
1 setlinewidth
0 0.7451 0.64706 graphcolor
newpath 8 8 moveto
8 883 lineto
450 883 lineto
450 8 lineto
closepath stroke
0 0 0 graphcolor
14 /Times-Roman set_font
192.5 867.8 moveto 73 (server:launch) alignedtext
grestore
% cluster_2
gsave
1 setlinewidth
0 0 0 graphcolor
newpath 16 81 moveto
16 467 lineto
328 467 lineto
328 81 lineto
closepath stroke
grestore
% check_available_queue
gsave
0 0 0.82745 nodecolor
newpath 383.5 852 moveto
240.5 852 lineto
240.5 816 lineto
383.5 816 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 383.5 852 moveto
240.5 852 lineto
240.5 816 lineto
383.5 816 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
248.5 830.3 moveto 127 (check_available_queue) alignedtext
grestore
% remove_entries_over_10s_old
gsave
0 0 0.82745 nodecolor
newpath 402.5 779 moveto
221.5 779 lineto
221.5 743 lineto
402.5 743 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 402.5 779 moveto
221.5 779 lineto
221.5 743 lineto
402.5 743 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
229.5 757.3 moveto 165 (remove_entries_over_10s_old) alignedtext
grestore
% check_available_queue->remove_entries_over_10s_old
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 312 815.81 moveto
312 807.79 312 798.05 312 789.07 curveto
stroke
0 0 0 edgecolor
newpath 315.5 789.03 moveto
312 779.03 lineto
308.5 789.03 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 315.5 789.03 moveto
312 779.03 lineto
308.5 789.03 lineto
closepath stroke
grestore
% set_available
gsave
0 0 0.82745 nodecolor
newpath 315.5 692 moveto
228.5 692 lineto
228.5 656 lineto
315.5 656 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 315.5 692 moveto
228.5 692 lineto
228.5 656 lineto
315.5 656 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
236.5 670.3 moveto 71 (set_available) alignedtext
grestore
% remove_entries_over_10s_old->set_available
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 288.59 742.95 moveto
283.2 737.81 278.14 731.73 275 725 curveto
271.8 718.14 270.43 710.17 270.01 702.64 curveto
stroke
0 0 0 edgecolor
newpath 273.51 702.42 moveto
269.97 692.43 lineto
266.51 702.45 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 273.51 702.42 moveto
269.97 692.43 lineto
266.51 702.45 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
275 713.8 moveto 81 (num_avail < 3) alignedtext
grestore
% exit
gsave
0 0 0.82745 nodecolor
newpath 381 52 moveto
327 52 lineto
327 16 lineto
381 16 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 381 52 moveto
327 52 lineto
327 16 lineto
381 16 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
343.5 30.3 moveto 21 (exit) alignedtext
grestore
% remove_entries_over_10s_old->exit
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 340.49 742.84 moveto
346.56 737.84 352.26 731.86 356 725 curveto
366.69 705.39 361 697.33 361 675 curveto
361 675 361 675 361 440 curveto
361 344.75 434 333.75 434 238.5 curveto
434 238.5 434 238.5 434 106 curveto
434 80.65 411.26 62.15 390.02 50.4 curveto
stroke
0 0 0 edgecolor
newpath 391.57 47.26 moveto
381.08 45.78 lineto
388.36 53.48 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 391.57 47.26 moveto
381.08 45.78 lineto
388.36 53.48 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
368 393.8 moveto 81 (num_avail > 2) alignedtext
grestore
% delay_2s
gsave
0 0 0.82745 nodecolor
newpath 304.5 619 moveto
239.5 619 lineto
239.5 583 lineto
304.5 583 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 304.5 619 moveto
239.5 619 lineto
239.5 583 lineto
304.5 583 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
247.5 597.3 moveto 49 (delay_2s) alignedtext
grestore
% set_available->delay_2s
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 272 655.81 moveto
272 647.79 272 638.05 272 629.07 curveto
stroke
0 0 0 edgecolor
newpath 275.5 629.03 moveto
272 619.03 lineto
268.5 629.03 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 275.5 629.03 moveto
272 619.03 lineto
268.5 629.03 lineto
closepath stroke
grestore
% check_place_in_queue
gsave
0 0 0.82745 nodecolor
newpath 342 546 moveto
202 546 lineto
202 510 lineto
342 510 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 342 546 moveto
202 546 lineto
202 510 lineto
342 510 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
210 524.3 moveto 124 (check_place_in_queue) alignedtext
grestore
% delay_2s->check_place_in_queue
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 272 582.81 moveto
272 574.79 272 565.05 272 556.07 curveto
stroke
0 0 0 edgecolor
newpath 275.5 556.03 moveto
272 546.03 lineto
268.5 556.03 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 275.5 556.03 moveto
272 546.03 lineto
268.5 556.03 lineto
closepath stroke
grestore
% check_place_in_queue->exit
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 295.97 509.79 moveto
308.96 499.05 323.96 484.05 332 467 curveto
337.44 455.47 354 251.25 354 238.5 curveto
354 238.5 354 238.5 354 106 curveto
354 91.65 354 75.67 354 62.51 curveto
stroke
0 0 0 edgecolor
newpath 357.5 62.22 moveto
354 52.22 lineto
350.5 62.22 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 357.5 62.22 moveto
354 52.22 lineto
350.5 62.22 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
353 277.3 moveto 61 (not at head) alignedtext
grestore
% http:transport-launch
gsave
0 0 0.82745 nodecolor
newpath 302 459 moveto
172 459 lineto
172 423 lineto
302 423 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 302 459 moveto
172 459 lineto
172 423 lineto
302 423 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
180 437.3 moveto 114 (http:transport-launch) alignedtext
grestore
% check_place_in_queue->http:transport-launch
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 264.92 509.8 moveto
260.03 497.93 253.44 481.93 247.89 468.45 curveto
stroke
0 0 0 edgecolor
newpath 251.12 467.09 moveto
244.07 459.18 lineto
244.64 469.75 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 251.12 467.09 moveto
244.07 459.18 lineto
244.64 469.75 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
257 480.8 moveto 40 (at head) alignedtext
grestore
% http:transport-run
gsave
0 0 0.82745 nodecolor
newpath 136 372 moveto
24 372 lineto
24 336 lineto
136 336 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 136 372 moveto
24 372 lineto
24 336 lineto
136 336 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
32 350.3 moveto 96 (http:transport-run) alignedtext
grestore
% http:transport-launch->http:transport-run
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 205.23 422.8 moveto
180.78 409.56 146.83 391.18 120.45 376.9 curveto
stroke
0 0 0 edgecolor
newpath 121.92 373.71 moveto
111.46 372.03 lineto
118.58 379.87 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 121.92 373.71 moveto
111.46 372.03 lineto
118.58 379.87 lineto
closepath stroke
grestore
% http:transport-keep-running
gsave
0 0 0.82745 nodecolor
newpath 320 372 moveto
154 372 lineto
154 336 lineto
320 336 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 320 372 moveto
154 372 lineto
154 336 lineto
320 336 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
162 350.3 moveto 150 (http:transport-keep-running) alignedtext
grestore
% http:transport-launch->http:transport-keep-running
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 237 422.8 moveto
237 411.16 237 395.55 237 382.24 curveto
stroke
0 0 0 edgecolor
newpath 240.5 382.18 moveto
237 372.18 lineto
233.5 382.18 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 240.5 382.18 moveto
237 372.18 lineto
233.5 382.18 lineto
closepath stroke
grestore
% client:login
gsave
0 0 0.82745 nodecolor
newpath 268 212 moveto
190 212 lineto
190 176 lineto
268 176 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 268 212 moveto
190 212 lineto
190 176 lineto
268 176 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
198 190.3 moveto 62 (client:login) alignedtext
grestore
% server:shutdown
gsave
0 0 0.82745 nodecolor
newpath 232 125 moveto
126 125 lineto
126 89 lineto
232 89 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 232 125 moveto
126 125 lineto
126 89 lineto
232 89 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
134 103.3 moveto 90 (server:shutdown) alignedtext
grestore
% client:login->server:shutdown
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 195.89 175.85 moveto
189.53 170.97 183.71 165.03 180 158 curveto
176.38 151.14 175.17 142.97 175.12 135.25 curveto
stroke
0 0 0 edgecolor
newpath 178.62 135.33 moveto
175.66 125.16 lineto
171.63 134.96 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 178.62 135.33 moveto
175.66 125.16 lineto
171.63 134.96 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
180 146.8 moveto 63 (login failed) alignedtext
grestore
% delay_5s
gsave
0 0 0.82745 nodecolor
newpath 317.5 125 moveto
252.5 125 lineto
252.5 89 lineto
317.5 89 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 317.5 125 moveto
252.5 125 lineto
252.5 89 lineto
317.5 89 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
260.5 103.3 moveto 49 (delay_5s) alignedtext
grestore
% client:login->delay_5s
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 240.33 175.8 moveto
248.3 163.7 259.11 147.3 268.09 133.67 curveto
stroke
0 0 0 edgecolor
newpath 271.11 135.45 moveto
273.68 125.18 lineto
265.26 131.6 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 271.11 135.45 moveto
273.68 125.18 lineto
265.26 131.6 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
261 146.8 moveto 46 (login ok) alignedtext
grestore
% server:shutdown->exit
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 220.92 88.99 moveto
250.31 77.07 289.23 61.28 317.39 49.85 curveto
stroke
0 0 0 edgecolor
newpath 318.91 53.01 moveto
326.86 46.01 lineto
316.28 46.53 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 318.91 53.01 moveto
326.86 46.01 lineto
316.28 46.53 lineto
closepath stroke
grestore
% tests running?
gsave
0 0 0.82745 nodecolor
newpath 275 299 moveto
183 299 lineto
183 263 lineto
275 263 lineto
closepath fill
1 setlinewidth
filled
0 0 0 nodecolor
newpath 275 299 moveto
183 299 lineto
183 263 lineto
275 263 lineto
closepath stroke
0 0 0 nodecolor
14 /Times-Roman set_font
191 277.3 moveto 76 (tests running?) alignedtext
grestore
% http:transport-keep-running->tests running?
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 235.06 335.81 moveto
234.16 327.79 233.06 318.05 232.05 309.07 curveto
stroke
0 0 0 edgecolor
newpath 235.52 308.57 moveto
230.92 299.03 lineto
228.56 309.36 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 235.52 308.57 moveto
230.92 299.03 lineto
228.56 309.36 lineto
closepath stroke
grestore
% tests running?->client:login
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 229 262.8 moveto
229 251.16 229 235.55 229 222.24 curveto
stroke
0 0 0 edgecolor
newpath 232.5 222.18 moveto
229 212.18 lineto
225.5 222.18 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 232.5 222.18 moveto
229 212.18 lineto
225.5 222.18 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
229 233.8 moveto 19 (yes) alignedtext
grestore
% tests running?->server:shutdown
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 206.39 262.81 moveto
192.11 250.45 174.91 232.41 167 212 curveto
157.35 187.09 162.73 156.51 169.07 134.98 curveto
stroke
0 0 0 edgecolor
newpath 172.49 135.79 moveto
172.2 125.2 lineto
165.82 133.66 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 172.49 135.79 moveto
172.2 125.2 lineto
165.82 133.66 lineto
closepath stroke
0 0 0 edgecolor
14 /Times-Roman set_font
167 190.3 moveto 14 (no) alignedtext
grestore
% delay_5s->http:transport-keep-running
gsave
1 setlinewidth
0 0 0 edgecolor
newpath 301.19 125.27 moveto
305.18 130.56 308.91 136.68 311 143 curveto
333.1 209.8 314.78 235.72 284 299 curveto
278.84 309.61 271.04 319.78 263.27 328.37 curveto
stroke
0 0 0 edgecolor
newpath 260.58 326.13 moveto
256.22 335.79 lineto
265.65 330.95 lineto
closepath fill
1 setlinewidth
solid
0 0 0 edgecolor
newpath 260.58 326.13 moveto
256.22 335.79 lineto
265.65 330.95 lineto
closepath stroke
grestore
endpage
showpage
grestore
%%PageTrailer
%%EndPage: 1
%%Trailer
%%Pages: 1
%%BoundingBox: 36 36 502 935
end
restore
%%EOF

;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3 call-with-environment-variables)

(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
;; (declare (uses sdb))
(declare (uses tdb))
;; (declare (uses filedb))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
;;   BUT
;; now are
;; stepname {VAR=first,second,third ...} command ...
;; where the {VAR=first,second,third ...} is optional.

;; given an exit code and whether or not logpro was used calculate OK/BAD
;; return #t if we are ok, #f otherwise
(define (steprun-good? logpro exitcode)
  (or (eq? exitcode 0)
      (and logpro (eq? exitcode 2))))

;; if handed a string, process it, else look for MT_CMDINFO
(define (launch:get-cmdinfo-assoc-list #!key (encoded-cmd #f))
  (let ((enccmd (if encoded-cmd encoded-cmd (getenv "MT_CMDINFO"))))
    (if enccmd
	(common:read-encoded-string enccmd)
	'())))


(define (launch:runstep ezstep run-id test-id exit-info m tal)
  (let* ((stepname  (car ezstep))  ;; do stuff to run the step
	 (stepinfo  (cadr ezstep))
	 (stepparts (string-match (regexp "^(\\{([^\\}]*)\\}\\s*|)(.*)$") stepinfo))
	 (stepparms (list-ref stepparts 2)) ;; for future use, {VAR=1,2,3}, run step for each 
	 (stepcmd   (list-ref stepparts 3))
	 (script    "") ; "#!/bin/bash\n") ;; yep, we depend on bin/bash FIXME!!!\
	 (logpro-file (conc stepname ".logpro"))
	 (html-file   (conc stepname ".html"))
	 (logpro-used (file-exists? logpro-file)))
    ;; NB// can safely assume we are in test-area directory
    (debug:print 4 "ezsteps:\n stepname: " stepname " stepinfo: " stepinfo " stepparts: " stepparts
		 " stepparms: " stepparms " stepcmd: " stepcmd)
    
    ;; ;; first source the previous environment
    ;; (let ((prev-env (conc ".ezsteps/" prevstep (if (string-search (regexp "csh") 
    ;;      							 (get-environment-variable "SHELL")) ".csh" ".sh"))))
    ;;   (if (and prevstep (file-exists? prev-env))
    ;;       (set! script (conc script "source " prev-env))))
    
    ;; call the command using mt_ezstep
    ;; (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "x") " " stepcmd))
    
    (debug:print 4 "script: " script)
    (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f area-dat)
    ;; now launch the actual process
    (call-with-environment-variables 
     (list (cons "PATH" (conc (get-environment-variable "PATH") ":.")))
     (lambda ()
       (let* ((cmd (conc stepcmd " > " stepname ".log"))
	      (pid (process-run cmd)))
	 (rmt:test-set-top-process-pid run-id test-id pid area-dat)
	 (let processloop ((i 0))
	   (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
		       (mutex-lock! m)
		       (vector-set! exit-info 0 pid)
		       (vector-set! exit-info 1 exit-status)
		       (vector-set! exit-info 2 exit-code)
		       (mutex-unlock! m)
		       (if (eq? pid-val 0)
			   (begin
			     (thread-sleep! 2)
			     (processloop (+ i 1))))
		       )))))
    (debug:print-info 0 "step " stepname " completed with exit code " (vector-ref exit-info 2))
    ;; now run logpro if needed
    (if logpro-used
	(let ((pid (process-run (conc "logpro " logpro-file " " (conc stepname ".html") " < " stepname ".log"))))
	  (let processloop ((i 0))
	    (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
			(mutex-lock! m)
			(vector-set! exit-info 0 pid)
			(vector-set! exit-info 1 exit-status)
			(vector-set! exit-info 2 exit-code)
			(mutex-unlock! m)
			(if (eq? pid-val 0)
			    (begin
			      (thread-sleep! 2)
			      (processloop (+ i 1)))))
	    (debug:print-info 0 "logpro for step " stepname " exited with code " (vector-ref exit-info 2)))))
    
    (let ((exinfo (vector-ref exit-info 2))
	  (logfna (if logpro-used (conc stepname ".html") "")))
      (rmt:teststep-set-status! run-id test-id stepname "end" exinfo #f logfna area-dat))
    (if logpro-used
	(rmt:test-set-log! run-id test-id (conc stepname ".html") area-dat))
    ;; set the test final status
    (let* ((this-step-status (cond
			      ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
			      ((eq? (vector-ref exit-info 2) 0)                   'pass)
			      (else 'fail)))
	   (overall-status   (cond
			      ((eq? (vector-ref exit-info 3) 2) 'warn) ;; rollup-status
			      ((eq? (vector-ref exit-info 3) 0) 'pass)
			      (else 'fail)))
	   (next-status      (cond 
			      ((eq? overall-status 'pass) this-step-status)
			      ((eq? overall-status 'warn)
			       (if (eq? this-step-status 'fail) 'fail 'warn))
			      (else 'fail)))
	   (next-state       ;; "RUNNING") ;; WHY WAS THIS CHANGED TO NOT USE (null? tal) ??
	    (cond
	     ((null? tal) ;; more to run?
	      "COMPLETED")
	     (else "RUNNING")))
	   )
      (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
		   " this-step-status: " this-step-status " overall-status: " overall-status 
		   " next-status: " next-status " rollup-status: " (vector-ref exit-info 3))
      (case next-status
	((warn)
	 (vector-set! exit-info 3 2) ;; rollup-status
	 ;; NB// test-set-status! does rdb calls under the hood
	 (tests:test-set-status! run-id test-id next-state "WARN" 
				 (if (eq? this-step-status 'warn) "Logpro warning found" #f)
				 #f))
	((pass)
	 (tests:test-set-status! run-id test-id next-state "PASS" #f #f))
	(else ;; 'fail
	 (vector-set! exit-info 3 1) ;; force fail, this used to be next-state but that doesn't make sense. should always be "COMPLETED" 
	 (tests:test-set-status! run-id test-id "COMPLETED" "FAIL" (conc "Failed at step " stepname) #f)
	 )))
    logpro-used))

(define (launch:execute encoded-cmd area-dat)
  (let* ((cmdinfo   (common:read-encoded-string encoded-cmd)))
    (setenv "MT_CMDINFO" encoded-cmd)
    (if (list? cmdinfo) ;; ((testpath /tmp/mrwellan/jazzmind/src/example_run/tests/sqlitespeed)
	;; (test-name sqlitespeed) (runscript runscript.rb) (db-host localhost) (run-id 1))
	(let* ((testpath  (assoc/default 'testpath  cmdinfo))  ;; testpath is the test spec area
	       (top-path  (assoc/default 'toppath   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))  ;; work-area is the test run area
	       (test-name (assoc/default 'test-name cmdinfo))
	       (runscript (assoc/default 'runscript cmdinfo))
	       (ezsteps   (assoc/default 'ezsteps   cmdinfo))
	       ;; (runremote (assoc/default 'runremote cmdinfo))
	       (transport (assoc/default 'transport cmdinfo))
	       ;; (serverinf (assoc/default 'serverinf cmdinfo))
	       (port      (assoc/default 'port      cmdinfo))
	       (run-id    (assoc/default 'run-id    cmdinfo))
	       (test-id   (assoc/default 'test-id   cmdinfo))
	       (target    (assoc/default 'target    cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (env-ovrd  (assoc/default 'env-ovrd  cmdinfo))
	       (set-vars  (assoc/default 'set-vars  cmdinfo)) ;; pre-overrides from -setvar
	       (runname   (assoc/default 'runname   cmdinfo))
	       (megatest  (assoc/default 'megatest  cmdinfo))
	       (runtlim   (assoc/default 'runtlim   cmdinfo))
	       (item-path (item-list->path itemdat))
	       (mt-bindir-path (assoc/default 'mt-bindir-path cmdinfo))
	       (keys      #f)
	       (keyvals   #f)
	       (fullrunscript (if (not runscript)
                                  #f
                                  (if (substring-index "/" runscript)
                                      runscript ;; use unadultered if contains slashes
                                      (let ((fulln (conc testpath "/" runscript)))
	                                  (if (and (file-exists? fulln)
                                                   (file-execute-access? fulln))
                                              fulln
                                              runscript))))) ;; assume it is on the path
	       ;; (rollup-status 0)
	       )
	  (change-directory top-path)

	  ;; (set-signal-handler! signal/int (lambda ()
					    
	  ;; Do not run the test if it is REMOVING, RUNNING, KILLREQ or REMOTEHOSTSTART,
	  ;; Mark the test as REMOTEHOSTSTART *IMMEDIATELY*
	  ;;
	  (let ((test-info (rmt:get-testinfo-state-status run-id test-id area-dat)))
	    (if (not (member (db:test-get-state test-info) '("REMOVING" "REMOTEHOSTSTART" "RUNNING" "KILLREQ")))
		(tests:test-force-state-status! run-id test-id "REMOTEHOSTSTART" "n/a")
		(begin
		  (debug:print 0 "ERROR: test state is " (db:test-get-state test-info) ", cannot proceed")
		  (exit))))
	  
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  (set! keys       (rmt:get-keys area-dat))
	  ;; (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals) ;; these may be needed by the launching process
	  ;; one of these is defunct/redundant ...
	  (if (not (launch:setup-for-run area-dat force: #t))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory toppath) 

	  ;; NOTE: Current order is to process runconfigs *before* setting the MT_ vars. This 
	  ;;       seems non-ideal but could well break stuff
	  ;;    BUG? BUG? BUG?

	  (let ((rconfig (full-runconfigs-read))) ;; (read-config (conc  toppath "/runconfigs.config") #f #t sections: (list "default" target))))
	    ;; (setup-env-defaults (conc toppath "/runconfigs.config") run-id (make-hash-table) keyvals target)
	    ;; (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	    ;; Now have runconfigs data loaded, set environment vars
	    (for-each (lambda (section)
			(for-each (lambda (varval)
				    (let ((var (car varval))
					  (val (cadr varval)))
				      (if (and (string? var)(string? val))
					  (begin
					    (setenv var (config:eval-string-in-environment val))) ;; val)
					  (debug:print 0 "ERROR: bad variable spec, " var "=" val))))
				  (configf:get-section rconfig section)))
		      (list "default" target)))
	  (change-directory work-area) 
	  (set! keyvals    (keys:target->keyval keys target))
	  ;; apply pre-overrides before other variables. The pre-override vars must not
	  ;; clobbers things from the official sources such as megatest.config and runconfigs.config
	  (if (string? set-vars)
	      (let ((varpairs (string-split set-vars ",")))
		(debug:print 4 "varpairs: " varpairs)
		(map (lambda (varpair)
		       (let ((varval (string-split varpair "=")))
			 (if (eq? (length varval) 2)
			     (let ((var (car varval))
				   (val (cadr varval)))
			       (debug:print 1 "Adding pre-var/val " var " = " val " to the environment")
			       (setenv var val)))))
		     varpairs)))
	  (for-each
	   (lambda (varval)
	     (let ((var (car varval))
		   (val (cadr varval)))
	       (if val
		   (setenv var val)
		   (begin
		     (debug:print 0 "ERROR: required variable " var " does not have a valid value. Exiting")
		     (exit)))))
	     (list 
	      (list  "MT_TEST_RUN_DIR" work-area)
	      (list  "MT_TEST_NAME" test-name)
	      (list  "MT_ITEM_INFO" (conc itemdat))
	      (list  "MT_ITEMPATH"  item-path)
	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (configf:lookup (megatest:area-configdat area-dat) "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))

	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info
	  ;; (tests:set-full-meta-info #f test-id run-id 0 work-area)
	  ;; (tests:set-full-meta-info test-id run-id 0 work-area)
	  (tests:set-full-meta-info #f test-id run-id 0 work-area 10)

	  (thread-sleep! 0.3) ;; NFS slowness has caused grief here

	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test
	  ;; so this is a good place to remove the records for 
	  ;; any previous runs
	  ;; (db:test-remove-steps db run-id testname itemdat)
	  
	  (let* ((m            (make-mutex))
		 (kill-job?    #f)
		 (exit-info    (vector #t #t #t 0))
		 (job-thread   #f)
		 (keep-going   #t)
		 (runit        (lambda ()
				 ;; (let-values
				 ;;  (((pid exit-status exit-code)
				 ;;    (run-n-wait fullrunscript)))
				 ;; (tests:test-set-status! test-id "RUNNING" "n/a" #f #f)
				 ;; Since we should have a clean slate at this time there is no need to do 
				 ;; any of the other stuff that tests:test-set-status! does. Let's just 
				 ;; force RUNNING/n/a
				 

				 ;; (thread-sleep! 0.3)
				 (tests:test-force-state-status! run-id test-id "RUNNING" "n/a")
				 (rmt:roll-up-pass-fail-counts run-id test-name item-path "RUNNING" area-dat)
				 ;; (thread-sleep! 0.3) ;; NFS slowness has caused grief here

				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))
				       (rmt:test-set-top-process-pid run-id test-id pid area-dat)
				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)
					  (vector-set! exit-info 0 pid)
					  (vector-set! exit-info 1 exit-status)
					  (vector-set! exit-info 2 exit-code)
					  (vector-set! exit-info 3 exit-code)  ;; rollup status
					  (mutex-unlock! m)
					  (if (eq? pid-val 0)
					      (begin
						(thread-sleep! 2)
						(loop (+ i 1)))
					      )))))
				 ;; then, if runscript ran ok (or did not get called)
				 ;; do all the ezsteps (if any)
				 (if ezsteps
				     (let* ((testconfig (read-config (conc work-area "/testconfig") #f #t environ-patt: "pre-launch-env-vars")) ;; FIXME??? is allow-system ok here?
					    (ezstepslst (hash-table-ref/default testconfig "ezsteps" '())))
				       (hash-table-set! *testconfigs* test-name testconfig) ;; cached for lazy reads later ...
				       (if (not (file-exists? ".ezsteps"))(create-directory ".ezsteps"))
				       ;; if ezsteps was defined then we are sure to have at least one step but check anyway
				       (if (not (> (length ezstepslst) 0))
					   (debug:print 0 "ERROR: ezsteps defined but ezstepslst is zero length")
					   (let loop ((ezstep (car ezstepslst))
						      (tal    (cdr ezstepslst))
						      (prevstep #f))
					     ;; check exit-info (vector-ref exit-info 1)
					     (if (vector-ref exit-info 1)
						 (let ((logpro-used (launch:runstep ezstep run-id test-id exit-info m tal)))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
						 (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   ;; (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area)
				   ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
				   (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (or (test-get-kill-request run-id test-id) ;; run-id test-name itemdat))
							   (and runtlim (let* ((run-seconds   (- (current-seconds) start-seconds))
									       (time-exceeded (> run-seconds runtlim)))
									  (if time-exceeded
									      (begin
										(debug:print-info 0 "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" run-seconds " seconds, limit=" runtlim)
										#t)
									      #f)))))
				       (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
					     ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second
					     ;;       between tries?
					     (let* ((pid1 (vector-ref exit-info 0))
						    (pid2 (rmt:test-get-top-process-pid run-id test-id area-dat))
						    (pids (delete-duplicates (filter number? (list pid1 pid2)))))
					       (if (not (null? pids))
						   (begin
						     (for-each
						      (lambda (pid)
							(handle-exceptions
							 exn
							 (begin
							   (debug:print-info 0 "Unable to kill process with pid " pid ", possibly already killed.")
							   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
							 (debug:print 0 "WARNING: Request received to kill job " pid) ;;  " (attempt # " kill-tries ")")
							 (debug:print-info 0 "Signal mask=" (signal-mask))
							 ;; (if (process:alive? pid)
							 ;;     (begin
							 (map (lambda (pid-num)
								(process-signal pid-num signal/term))
							      (process:get-sub-pids pid))
							 (thread-sleep! 5)
							 ;; (if (process:process-alive? pid)
							 (map (lambda (pid-num)
								(handle-exceptions
								 exn
								 #f
								 (process-signal pid-num signal/kill)))
							      (process:get-sub-pids pid))))
							 ;;    (debug:print-info 0 "not killing process " pid " as it is not alive"))))
						      pids)
						     (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (args:get-arg "-m") #f))
						   (begin
						     (debug:print 0 "ERROR: Nothing to kill, pid1=" pid1 ", pid2=" pid2)
						     (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (args:get-arg "-m") #f)
						     )))
					     (mutex-unlock! m)
					     ;; no point in sticking around. Exit now.
					     (exit)))
				       (if keep-going
					   (begin
					     (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
					     (if keep-going
						 (loop (calc-minutes)))))))
				   (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)))) ;; NOTE: Checking twice for keep-going is intentional
		 (th1          (make-thread monitorjob "monitor job"))
		 (th2          (make-thread runit "run job")))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (debug:print-info 0 "Megatest exectute of test " test-name ", item path " item-path " complete. Notifying the db ...")
	    (set! keep-going #f)
	    (thread-join! th1)
	    (thread-sleep! 1)       ;; give thread th1 a chance to be done TODO: Verify this is needed. At 0.1 I was getting fail to stop, increased to total of 1.1 sec.
	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   ;; only state and status needed - use lazy routine
		   (testinfo  (rmt:get-testinfo-state-status run-id test-id area-dat)))
	      ;; Am I completed?
	      (if (member (db:test-get-state testinfo) '("REMOTEHOSTSTART" "RUNNING")) ;; NOTE: It should *not* be REMOTEHOSTSTART but for reasons I don't yet understand it sometimes gets stuck in that state ;; (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (let ((new-state  (if kill-job? "KILLED" "COMPLETED") ;; (if (eq? (vector-ref exit-info 2) 0) ;; exited with "good" status
				                                        ;; "COMPLETED"
							                ;; (db:test-get-state testinfo)))   ;; else preseve the state as set within the test
				    )
			(new-status (cond
				     ((not (vector-ref exit-info 1)) "FAIL") ;; job failed to run
				     ((eq? (vector-ref exit-info 3) 0)
				      ;; if the current status is AUTO then defer to the calculated value (i.e. leave this AUTO)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO" "PASS"))
				     ((eq? (vector-ref exit-info 3) 1) "FAIL")
				     ((eq? (vector-ref exit-info 3) 2)
				      ;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				     (else "FAIL")))) ;; (db:test-get-status testinfo)))
		    (debug:print-info 1 "Test exited in state=" (db:test-get-state testinfo) ", setting state/status based on exit code of " (vector-ref exit-info 1) " and rollup-status of " (vector-ref exit-info 3))
		    (tests:test-set-status! run-id 
					    test-id 
					    new-state
					    new-status
					    (args:get-arg "-m") #f)
		    ;; need to update the top test record if PASS or FAIL and this is a subtest
		    ;; NO NEED TO CALL roll-up-pass-fail-counts HERE, THIS IS DONE IN roll-up-pass-fail-counts called by tests:test-set-status!
		    ))
	      ;; for automated creation of the rollup html file this is a good place...
	      ;; (if (and (not (equal? item-path ""))
	      ;;      (< (random (rmt:get-count-tests-running-for-testname run-id test-name)) 5))
	      (tests:summarize-items run-id test-id test-name #f)
	      (tests:summarize-test run-id test-id)) ;; don't force - just update if no
	    (mutex-unlock! m)
	    (debug:print 2 "Output from running " fullrunscript ", pid " (vector-ref exit-info 0) " in work area " 
			 work-area ":\n====\n exit code " (vector-ref exit-info 2) "\n" "====\n")
	    (if (not (vector-ref exit-info 1))
		(exit 4)))))))

(define (launch:read-cached-config)
  (if (get-environment-variable "MT_CMDINFO") ;; we are inside a test - do not reprocess configs
      (let ((alistconfig (conc (get-environment-variable "MT_LINKTREE") "/"
			       (get-environment-variable "MT_TARGET")   "/"
			       (get-environment-variable "MT_RUNNAME")  "/"
			       ".megatest.cfg")))
	(if (file-exists? alistconfig)
	    (list (configf:read-alist alistconfig)
		  (get-environment-variable "MT_RUN_AREA_HOME"))
	    #f))
      #f)) 

(define (launch:read-megatest-config toppath)
  (let ((runname (or (args:get-arg "-runname")(args:get-arg ":runname"))))
    (if runname (setenv "MT_RUNNAME" runname))
    (find-and-read-config 
     (if (args:get-arg "-config")(args:get-arg "-config") "megatest.config")
     environ-patt: "env-override"
     given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
     pathenvvar: "MT_RUN_AREA_HOME")))

;; set up the very basics needed for doing anything here.
(define (launch:setup-for-run area-dat #!key (force #f))
  ;; would set values for KEYS in the environment here for better support of env-override but 
  ;; have chicken/egg scenario. need to read megatest.config then read it again. Going to 
  ;; pass on that idea for now
  ;; special case
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (or force (not (hash-table? configdat)))  ;; no need to re-open on every call
	(let* ((newconfiginfo (or (launch:read-cached-config) ;; no config cached - give up
				  (launch:read-megatest-config (megatest:area-path area-dat))))
	       (configdat     (car  newconfiginfo))
	       (toppath       (cadr newconfiginfo)))
	  (megatest:area-configinfo-set! area-dat newconfiginfo)
	  (megatest:area-configdat-set!  area-dat configdat)
	  (megatest:area-path-set!       area-dat toppath)
	  (let* ((tmptransport (configf:lookup configdat "server" "transport"))
		 (transport    (if tmptransport (string->symbol tmptransport) 'http)))
	    (if (member transport '(http rpc nmsg))
		(megatest:area-transport-set! area-dat transport)
		(begin
		  (debug:print 0 "ERROR: Unrecognised transport " transport)
		  (exit))))
	  (let ((linktree (configf:lookup configdat "setup" "linktree"))) ;; link tree is critical
	    (if linktree
		(if (not (file-exists? linktree))
		    (begin
		      (handle-exceptions
		       exn
		       (begin
			 (debug:print 0 "ERROR: Something went wrong when trying to create linktree dir at " linktree)
			 (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
			 (exit 1))
		       (create-directory linktree #t))))
		(begin
		  (debug:print 0 "ERROR: linktree not defined in [setup] section of megatest.config")
		  (exit 1)))
	    (if linktree
		(let ((dbdir (conc linktree "/.db")))
		  (handle-exceptions
		   exn
		   (begin
		     (debug:print 0 "ERROR: failed to create the " dbdir " area for your database files")
		     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
		   (if (not (directory-exists? dbdir))(create-directory dbdir)))
		  (setenv "MT_LINKTREE" linktree))
		(begin
		  (debug:print 0 "ERROR: linktree is required in your megatest.config [setup] section")
		  (exit 1)))
	    (if (and toppath
		   (directory-exists? toppath))
	      (setenv "MT_RUN_AREA_HOME" toppath)
	      (begin
		(debug:print 0 "ERROR: failed to find the top path to your Megatest area.")
		(exit 1))))
	  toppath))))

(define (launch:cache-config area-dat)
  ;; if we have a linktree and -runtests and -target and the directory exists dump the config
  ;; to megatest-(current-seconds).cfg and symlink it to megatest.cfg
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (and configdat 
	     (args:get-arg "-runtests"))
	(let* ((linktree (get-environment-variable "MT_LINKTREE"))
	       (target   (common:args-get-target))
	       (runname  (or (args:get-arg "-runname")
			     (args:get-arg ":runname")))
	       (fulldir  (conc linktree "/"
			       target "/"
			       runname)))
	  (debug:print-info 0 "Have -runtests with target=" target ", runname=" runname ", fulldir=" fulldir)
	  (if (file-exists? linktree) ;; can't proceed without linktree
	      (begin
		(if (not (file-exists? fulldir))
		    (create-directory fulldir #t)) ;; need to protect with exception handler 
		(if (and target
			 runname
			 (file-exists? fulldir))
		    (let ((tmpfile  (conc fulldir "/.megatest.cfg." (current-seconds)))
			  (targfile (conc fulldir "/.megatest.cfg")))
		      (debug:print-info 0 "Caching megatest.config in " fulldir "/.megatest.cfg")
		      (configf:write-alist configdat tmpfile)
		      (system (conc "ln -sf " tmpfile " " targfile))
		      ))))))))

(define (get-best-disk confdat)
  (let* ((disks    (hash-table-ref/default confdat "disks" #f))
	 (minspace (let ((m (configf:lookup confdat "setup" "minspace")))
		     (string->number (or m "10000")))))
    (if disks 
	(let ((res (common:get-disk-with-most-free-space disks minspace))) ;; min size of 1000, seems tad dumb
	  (if res
	      (cdr res)
	      (begin
		(if (common:low-noise-print 20 "no valid disks")
		    (debug:print 0 "ERROR: No valid disks found in megatest.config. Please add some to your [disks] section and ensure the directory exists!"))
		(exit 1)))))))

;; Desired directory structure:
;;
;;  <linkdir> - <target> - <testname> -.
;;                                     |
;;                                     v
;;  <rundir>  -  <target>  -    <testname> -|- <itempath(s)>
;;
;;  dir stored in test is:
;; 
;;  <linkdir> - <target> - <testname> [ - <itempath> ]
;; 
;; All log file links should be stored relative to the top of link path
;;  
;; <target> - <testname> [ - <itempath> ] 
;;
(define (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat area-dat #!key (remtries 2))
  (let* ((configdat (megatest:area-configdat area-dat))
	 (item-path (if (string? itemdat) itemdat (item-list->path itemdat))) ;; if pass in string - just use it
	 (runname   (if (string? run-info) ;; if we pass in a string as run-info use it as run-name.
			run-info
			(db:get-value-by-header (db:get-rows run-info)
						(db:get-header run-info)
						"runname")))
	 ;; convert back to db: from rdb: - this is always run at server end
	 (target   (string-intersperse (map cadr keyvals) "/"))

	 (not-iterated  (equal? "" item-path))

	 ;; all tests are found at <rundir>/test-base or <linkdir>/test-base
	 (testtop-base (conc target "/" runname "/" testname))
	 (test-base    (conc testtop-base (if not-iterated "" "/") item-path))

	 ;; nb// if itempath is not "" then it is prefixed with "/"
	 (toptest-path (conc disk-path "/" testtop-base))
	 (test-path    (conc disk-path "/" test-base))

	 ;; ensure this exists first as links to subtests must be created there
	 (linktree  (let ((rd (config-lookup configdat "setup" "linktree")))
		      (if rd rd (conc (megatest:area-path area-dat) "/runs"))))

	 (lnkbase   (conc linktree "/" target "/" runname))
	 (lnkpath   (conc lnkbase "/" testname))
	 (lnkpathf  (conc lnkpath (if not-iterated "" "/") item-path))
	 (lnktarget (conc lnkpath "/" item-path)))

    ;; Update the rundir path in the test record for all, rundir=physical, shortdir=logical
    ;;                                                 rundir   shortdir
    (rmt:general-call 'test-set-rundir-shortdir run-id lnkpathf test-path testname item-path area-dat)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (and (not (directory-exists? lnkbase))
	     (not (file-exists? lnkbase)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print "ERROR: Problem creating linktree base at " lnkbase)
	   (print-error-message exn (current-error-port)))
	 (create-directory lnkbase #t)))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 

    ;; Now create the link from the test path to the link tree, however
    ;; if the test is iterated it is necessary to create the parent path
    ;; to the iteration. use pathname-directory to trim the path by one
    ;; level
    (if (not not-iterated) ;; i.e. iterated
	(let ((iterated-parent  (pathname-directory (conc lnkpath "/" item-path))))
	  (debug:print-info 2 "Creating iterated parent " iterated-parent)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " iterated-parent ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory iterated-parent #t))))

    (if (symbolic-link? lnkpath) 
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to remove symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (delete-file lnkpath)))

    (if (not (or (file-exists? lnkpath)
		 (symbolic-link? lnkpath)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to create symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (create-symbolic-link toptest-path lnkpath)))
    
    ;; NB - This was not working right - some top tests are not getting the path set!!!
    ;;
    ;; Do the setting of this record after the paths are created so that the shortdir can 
    ;; be set to the real directory location. This is safer for future clean up if the link
    ;; tree is damaged or lost.
    ;; 
    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (rmt:get-test-info-by-id run-id test-id area-dat)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo ;; (filedb:get-path *fdb*
							     ;; (db:get-path dbstruct
				   ;; (rmt:sdb-qry 'getstr 
				   (db:test-get-rundir testinfo) ;; ) ;; )
				   #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (rmt:general-call 'test-set-rundir-shortdir run-id lnkpath 
			    (if (file-exists? lnkpath)
				(resolve-pathname lnkpath)
				lnkpath)
			    testname "" area-dat)
	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(handle-exceptions
		 exn
		 #f ;; don't care to catch and deal with errors here for now.
		 (create-directory toptest-path #t))
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 "Setting up sub test run area")
	  (debug:print 2 " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to re-create link " lnktarget ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit))
	   (if (symbolic-link? lnktarget)     (delete-file lnktarget))
	   (if (not (file-exists? lnktarget)) (create-symbolic-link test-path lnktarget)))))

    (if (not (directory? test-path))
	(create-directory test-path #t)) ;; this is a hack, I don't know why out of the blue this path does not exist sometimes

    (if (and test-src-path (directory? test-path))
	(begin
	  (let* ((ovrcmd (let ((cmd (config-lookup configdat "setup" "testcopycmd")))
			   (if cmd
			       ;; substitute the TEST_SRC_PATH and TEST_TARG_PATH
			       (string-substitute "TEST_TARG_PATH" test-path
						  (string-substitute "TEST_SRC_PATH" test-src-path cmd #t) #t)
			       #f)))
		 (cmd    (if ovrcmd 
			     ovrcmd
			     (conc "rsync -av" (if (debug:debug-mode 1) "" "q") " " test-src-path "/ " test-path "/"
				   " >> " test-path "/mt_launch.log 2>> " test-path "/mt_launch.log")))
		 (status (system cmd)))
	    (if (not (eq? status 0))
		(debug:print 2 "ERROR: problem with running \"" cmd "\"")))
	  (list lnkpathf lnkpath ))
	(if (and test-src-path (> remtries 0))
	    (begin
	      (debug:print 0 "ERROR: Failed to create work area at " test-path " with link at " lnktarget ", remaining attempts " remtries)
	      ;; 
	      (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat remtries: (- remtries 1)))
	    (list #f #f)))))

;; 1. look though disks list for disk with most space
;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params area-dat)
  (let ((toppath   (megatest:area-path      area-dat))
	(configdat (megatest:area-configdat area-dat)))
  (change-directory toppath)
  (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
   (list ;; (list "MT_TEST_RUN_DIR" work-area)
    (list "MT_RUN_AREA_HOME" toppath)
    (list "MT_TEST_NAME" test-name)
    ;; (list "MT_ITEM_INFO" (conc itemdat)) 
    (list "MT_RUNNAME"   runname)
    ;; (list "MT_TARGET"    mt_target)
    ))
  (let* ((useshell        (let ((ush (config-lookup configdat "jobtools"     "useshell")))
			    (if ush 
				(if (equal? ush "no") ;; must use "no" to NOT use shell
				    #f
				    ush)
				#t)))     ;; default is yes
	 (launcher        (config-lookup configdat "jobtools"     "launcher"))
	 (runscript       (config-lookup test-conf   "setup"        "runscript"))
	 (ezsteps         (> (length (hash-table-ref/default test-conf "ezsteps" '())) 0)) ;; don't send all the steps, could be big
	 (diskspace       (config-lookup test-conf   "requirements" "diskspace"))
	 (memory          (config-lookup test-conf   "requirements" "memory"))
	 (hosts           (config-lookup configdat "jobtools"     "workhosts"))
	 (remote-megatest (config-lookup configdat "setup" "executable"))
	 (run-time-limit  (or (configf:lookup  test-conf   "requirements" "runtimelim")
			      (configf:lookup  configdat "setup" "runtimelim")))
	 ;; FIXME SOMEDAY: not good how this is so obtuse, this hack is to 
	 ;;                allow running from dashboard. Extract the path
	 ;;                from the called megatest and convert dashboard
	 ;;             	  or dboard to megatest
	 (local-megatest  (let* ((lm  (car (argv)))
				 (dir (pathname-directory lm))
				 (exe (pathname-strip-directory lm)))
			    (conc (if dir (conc dir "/") "")
				  (case (string->symbol exe)
				    ((dboard)    "../megatest")
				    ((mtest)     "../megatest")
				    ((dashboard) "megatest")
				    (else exe)))))
	 (item-path  (item-list->path itemdat))
	 (test-sig   (conc test-name ":" item-path)) ;; (item-list->path itemdat))) ;; test-path is the full path including the item-path
	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 (testinfo   (rmt:get-test-info-by-id run-id test-id area-dat))
	 (mt_target  (string-intersperse (map cadr keyvals) "/"))
	 (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
			      (if (args:get-arg "-logging")(list "-logging") '()))))
    (setenv "MT_ITEMPATH" item-path)
    (if hosts (set! hosts (string-split hosts)))
    ;; set the megatest to be called on the remote host
    (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
    (set! mt-bindir-path (pathname-directory remote-megatest))
    (if launcher (set! launcher (string-split launcher)))
    ;; set up the run work area for this test
    (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
	     (not (member (db:test-get-rundir testinfo)(list "n/a" "/tmp/badname")))) ;; n/a is a placeholder and thus not a read dir
	(begin
	  (debug:print-info 0 "attempting to preclean directory " (db:test-get-rundir testinfo) " for test " test-name "/" item-path)
	  (runs:remove-test-directory testinfo 'remove-data-only))) ;; remove data only, do not perturb the record
    
    ;; prevent overlapping actions - set to LAUNCHED as early as possible
    ;;
    (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (rmt:roll-up-pass-fail-counts run-id test-name item-path "LAUNCHED" area-dat)
    (set! diskpath (get-best-disk configdat))
    (if diskpath
	(let ((dat  (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	  (set! work-area (car dat))
	  (set! toptest-work-area (cadr dat))
	  (debug:print-info 2 "Using work area " work-area))
	(begin
	  (set! work-area (conc test-path "/tmp_run"))
	  (create-directory work-area #t)
	  (debug:print 0 "WARNING: No disk work area specified - running in the test directory under tmp_run")))
    (set! cmdparms (base64:base64-encode 
		    (z3:encode-buffer 
		     (with-output-to-string
		       (lambda () ;; (list 'hosts     hosts)
			 (write (list (list 'testpath  test-path)
				      (list 'transport (conc (megatest:area-transport area-dat))) ;;
				      ;; (list 'serverinf *server-info*)
				      (list 'toppath   toppath)
				      (list 'work-area work-area)
				      (list 'test-name test-name) 
				      (list 'runscript runscript) 
				      (list 'run-id    run-id   )
				      (list 'test-id   test-id  )
				      ;; (list 'item-path item-path )
				      (list 'itemdat   itemdat  )
				      (list 'megatest  remote-megatest)
				      (list 'ezsteps   ezsteps) 
				      (list 'target    mt_target)
				      (list 'runtlim   (if run-time-limit (common:hms-string->seconds run-time-limit) #f))
				      (list 'env-ovrd  (hash-table-ref/default configdat "env-override" '())) 
				      (list 'set-vars  (if params (hash-table-ref/default params "-setvars" #f)))
				      (list 'runname   runname)
				      (list 'mt-bindir-path mt-bindir-path))))))))

    ;; clean out step records from previous run if they exist
    ;; (rmt:delete-test-step-records run-id test-id)
    (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir
    (cond
     ((and launcher hosts) ;; must be using ssh hostname
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))
     (else
      (if (not useshell)(debug:print 0 "WARNING: internal launching will not work well without \"useshell yes\" in your [jobtools] section"))
      (set! fullcmd (append (list remote-megatest test-sig "-execute" cmdparms) debug-param (list (if useshell "&" ""))))))
    ;; (set! fullcmd (list remote-megatest test-sig "-execute" cmdparms (if useshell "&" "")))))
    (if (args:get-arg "-xterm")(set! fullcmd (append fullcmd (list "-xterm"))))
    (debug:print 1 "Launching " work-area)
    ;; set pre-launch-env-vars before launching, keep the vars in prevvals and put the envionment back when done
    (debug:print 4 "fullcmd: " fullcmd)
    (let* ((commonprevvals (alist->env-vars
			    (hash-table-ref/default configdat "env-override" '())))
	   (testprevvals   (alist->env-vars
			    (hash-table-ref/default test-conf "pre-launch-env-overrides" '())))
	   (miscprevvals   (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
			    (append (list (list "MT_TEST_RUN_DIR" work-area)
					  (list "MT_TEST_NAME" test-name)
					  (list "MT_ITEM_INFO" (conc itemdat)) 
					  (list "MT_RUNNAME"   runname)
					  (list "MT_TARGET"    mt_target)
					  (list "MT_ITEMPATH"  item-path)
					  )
				    itemdat)))
	   ;; Launchwait defaults to true, must override it to turn off wait
	   (launchwait     (if (equal? (configf:lookup configdat "setup" "launchwait") "no") #f #t))
	   (launch-results (apply (if launchwait
				      cmd-run-with-stderr->list
				      process-run)
				  (if useshell
				      (let ((cmdstr (string-intersperse fullcmd " ")))
					(if launchwait
					    cmdstr
					    (conc cmdstr " >> mt_launch.log 2>&1")))
				      (car fullcmd))
				  (if useshell
				      '()
				      (cdr fullcmd)))))
      (if (not launchwait) ;; give the OS a little time to allow the process to start
	  (thread-sleep! 0.01))
      (with-output-to-file "mt_launch.log"
	(lambda ()
	  (if (list? launch-results)
	      (apply print launch-results)
	      (print "NOTE: launched \"" fullcmd "\"\n  but did not wait for it to proceed. Add the following to megatest.config \n[setup]\nlaunchwait yes\n  if you have problems with this"))
	  #:append))
      (debug:print 2 "Launching completed, updating db")
      (debug:print 2 "Launch results: " launch-results)
      (if (not launch-results)
          (begin
            (print "ERROR: Failed to run " (string-intersperse fullcmd " ") ", exiting now")
            ;; (sqlite3:finalize! db)
            ;; good ole "exit" seems not to work
            ;; (_exit 9)
            ;; but this hack will work! Thanks go to Alan Post of the Chicken email list
            ;; NB// Is this still needed? Should be safe to go back to "exit" now?
            (process-signal (current-process-id) signal/kill)
            ))
      (alist->env-vars miscprevvals)
      (alist->env-vars testprevvals)
      (alist->env-vars commonprevvals)
      launch-results))
  (change-directory toppath))
  ;; added paren below after refactoring above routine. must have missed something?
  )

;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3 call-with-environment-variables)

(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
;; (declare (uses sdb))
(declare (uses tdb))
;; (declare (uses filedb))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
;;   BUT
;; now are
;; stepname {VAR=first,second,third ...} command ...
;; where the {VAR=first,second,third ...} is optional.

;; given an exit code and whether or not logpro was used calculate OK/BAD
;; return #t if we are ok, #f otherwise
(define (steprun-good? logpro exitcode)
  (or (eq? exitcode 0)
      (and logpro (eq? exitcode 2))))

;; if handed a string, process it, else look for MT_CMDINFO
(define (launch:get-cmdinfo-assoc-list #!key (encoded-cmd #f))
  (let ((enccmd (if encoded-cmd encoded-cmd (getenv "MT_CMDINFO"))))
    (if enccmd
	(common:read-encoded-string enccmd)
	'())))


(define (launch:runstep ezstep run-id test-id exit-info m tal)
  (let* ((stepname  (car ezstep))  ;; do stuff to run the step
	 (stepinfo  (cadr ezstep))
	 (stepparts (string-match (regexp "^(\\{([^\\}]*)\\}\\s*|)(.*)$") stepinfo))
	 (stepparms (list-ref stepparts 2)) ;; for future use, {VAR=1,2,3}, run step for each 
	 (stepcmd   (list-ref stepparts 3))
	 (script    "") ; "#!/bin/bash\n") ;; yep, we depend on bin/bash FIXME!!!\
	 (logpro-file (conc stepname ".logpro"))
	 (html-file   (conc stepname ".html"))
	 (logpro-used (file-exists? logpro-file)))
    ;; NB// can safely assume we are in test-area directory
    (debug:print 4 "ezsteps:\n stepname: " stepname " stepinfo: " stepinfo " stepparts: " stepparts
		 " stepparms: " stepparms " stepcmd: " stepcmd)
    
    ;; ;; first source the previous environment
    ;; (let ((prev-env (conc ".ezsteps/" prevstep (if (string-search (regexp "csh") 
    ;;      							 (get-environment-variable "SHELL")) ".csh" ".sh"))))
    ;;   (if (and prevstep (file-exists? prev-env))
    ;;       (set! script (conc script "source " prev-env))))
    
    ;; call the command using mt_ezstep
    ;; (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "x") " " stepcmd))
    
    (debug:print 4 "script: " script)
    (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f area-dat)
    ;; now launch the actual process
    (call-with-environment-variables 
     (list (cons "PATH" (conc (get-environment-variable "PATH") ":.")))
     (lambda () ;; (process-run "/bin/bash" "-c" "exec ls -l /tmp/foobar > /tmp/delme-more.log 2>&1")
       (let* ((cmd (conc "exec " stepcmd " > " stepname ".log 2>&1")) ;; >outfile 2>&1 
	      (pid (process-run "/bin/bash" (list "-c" cmd))))
	 (rmt:test-set-top-process-pid run-id test-id pid area-dat)
	 (let processloop ((i 0))
	   (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
		       (mutex-lock! m)
		       (vector-set! exit-info 0 pid)
		       (vector-set! exit-info 1 exit-status)
		       (vector-set! exit-info 2 exit-code)
		       (mutex-unlock! m)
		       (if (eq? pid-val 0)
			   (begin
			     (thread-sleep! 2)
			     (processloop (+ i 1))))
		       )))))
    (debug:print-info 0 "step " stepname " completed with exit code " (vector-ref exit-info 2))
    ;; now run logpro if needed
    (if logpro-used
	(let ((pid (process-run (conc "logpro " logpro-file " " (conc stepname ".html") " < " stepname ".log"))))
	  (let processloop ((i 0))
	    (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
			(mutex-lock! m)
			(vector-set! exit-info 0 pid)
			(vector-set! exit-info 1 exit-status)
			(vector-set! exit-info 2 exit-code)
			(mutex-unlock! m)
			(if (eq? pid-val 0)
			    (begin
			      (thread-sleep! 2)
			      (processloop (+ i 1)))))
	    (debug:print-info 0 "logpro for step " stepname " exited with code " (vector-ref exit-info 2)))))
    
    (let ((exinfo (vector-ref exit-info 2))
	  (logfna (if logpro-used (conc stepname ".html") "")))
      (rmt:teststep-set-status! run-id test-id stepname "end" exinfo #f logfna area-dat))
    (if logpro-used
	(rmt:test-set-log! run-id test-id (conc stepname ".html") area-dat))
    ;; set the test final status
    (let* ((this-step-status (cond
			      ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
			      ((eq? (vector-ref exit-info 2) 0)                   'pass)
			      (else 'fail)))
	   (overall-status   (cond
			      ((eq? (vector-ref exit-info 3) 2) 'warn) ;; rollup-status
			      ((eq? (vector-ref exit-info 3) 0) 'pass)
			      (else 'fail)))
	   (next-status      (cond 
			      ((eq? overall-status 'pass) this-step-status)
			      ((eq? overall-status 'warn)
			       (if (eq? this-step-status 'fail) 'fail 'warn))
			      (else 'fail)))
	   (next-state       ;; "RUNNING") ;; WHY WAS THIS CHANGED TO NOT USE (null? tal) ??
	    (cond
	     ((null? tal) ;; more to run?
	      "COMPLETED")
	     (else "RUNNING")))
	   )
      (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
		   " this-step-status: " this-step-status " overall-status: " overall-status 
		   " next-status: " next-status " rollup-status: " (vector-ref exit-info 3))
      (case next-status
	((warn)
	 (vector-set! exit-info 3 2) ;; rollup-status
	 ;; NB// test-set-status! does rdb calls under the hood
	 (tests:test-set-status! run-id test-id next-state "WARN" 
				 (if (eq? this-step-status 'warn) "Logpro warning found" #f)
				 #f))
	((pass)
	 (tests:test-set-status! run-id test-id next-state "PASS" #f #f))
	(else ;; 'fail
	 (vector-set! exit-info 3 1) ;; force fail, this used to be next-state but that doesn't make sense. should always be "COMPLETED" 
	 (tests:test-set-status! run-id test-id "COMPLETED" "FAIL" (conc "Failed at step " stepname) #f)
	 )))
    logpro-used))

(define (launch:execute encoded-cmd area-dat)
  (let* ((cmdinfo   (common:read-encoded-string encoded-cmd)))
    (setenv "MT_CMDINFO" encoded-cmd)
    (if (list? cmdinfo) ;; ((testpath /tmp/mrwellan/jazzmind/src/example_run/tests/sqlitespeed)
	;; (test-name sqlitespeed) (runscript runscript.rb) (db-host localhost) (run-id 1))
	(let* ((testpath  (assoc/default 'testpath  cmdinfo))  ;; testpath is the test spec area
	       (top-path  (assoc/default 'toppath   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))  ;; work-area is the test run area
	       (test-name (assoc/default 'test-name cmdinfo))
	       (runscript (assoc/default 'runscript cmdinfo))
	       (ezsteps   (assoc/default 'ezsteps   cmdinfo))
	       ;; (runremote (assoc/default 'runremote cmdinfo))
	       (transport (assoc/default 'transport cmdinfo))
	       ;; (serverinf (assoc/default 'serverinf cmdinfo))
	       (port      (assoc/default 'port      cmdinfo))
	       (run-id    (assoc/default 'run-id    cmdinfo))
	       (test-id   (assoc/default 'test-id   cmdinfo))
	       (target    (assoc/default 'target    cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (env-ovrd  (assoc/default 'env-ovrd  cmdinfo))
	       (set-vars  (assoc/default 'set-vars  cmdinfo)) ;; pre-overrides from -setvar
	       (runname   (assoc/default 'runname   cmdinfo))
	       (megatest  (assoc/default 'megatest  cmdinfo))
	       (runtlim   (assoc/default 'runtlim   cmdinfo))
	       (item-path (item-list->path itemdat))
	       (mt-bindir-path (assoc/default 'mt-bindir-path cmdinfo))
	       (keys      #f)
	       (keyvals   #f)
	       (fullrunscript (if (not runscript)
                                  #f
                                  (if (substring-index "/" runscript)
                                      runscript ;; use unadultered if contains slashes
                                      (let ((fulln (conc testpath "/" runscript)))
	                                  (if (and (file-exists? fulln)
                                                   (file-execute-access? fulln))
                                              fulln
                                              runscript))))) ;; assume it is on the path
	       ;; (rollup-status 0)
	       )
	  (change-directory top-path)

	  ;; (set-signal-handler! signal/int (lambda ()
					    
	  ;; WAS: Do not run the test if it is REMOVING, RUNNING, KILLREQ or REMOTEHOSTSTART,
	  ;; NOW: Do not run test test unless state is LAUNCHED
	  ;; Mark the test as REMOTEHOSTSTART *IMMEDIATELY*
	  ;;
	  ;; This is flawed. It should be a single transaction that tests for NOT_STARTED and updates to REMOTEHOSTSTART
	  (let ((test-info (rmt:get-testinfo-state-status run-id test-id area-dat)))
	  ;;
	    (if (equal? (db:test-get-state test-info) "LAUNCHED") ;; '("REMOVING" "REMOTEHOSTSTART" "RUNNING" "KILLREQ")))
		(tests:test-force-state-status! run-id test-id "REMOTEHOSTSTART" "n/a")
		(begin
		  (debug:print 0 "ERROR: test state is " (db:test-get-state test-info) ", cannot proceed")
		  (exit))))
	  
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  (set! keys       (rmt:get-keys area-dat))
	  ;; (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals) ;; these may be needed by the launching process
	  ;; one of these is defunct/redundant ...
	  (if (not (launch:setup-for-run area-dat force: #t))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory toppath) 

	  ;; NOTE: Current order is to process runconfigs *before* setting the MT_ vars. This 
	  ;;       seems non-ideal but could well break stuff
	  ;;    BUG? BUG? BUG?

	  (let ((rconfig (full-runconfigs-read))) ;; (read-config (conc  toppath "/runconfigs.config") #f #t sections: (list "default" target))))
	    ;; (setup-env-defaults (conc toppath "/runconfigs.config") run-id (make-hash-table) keyvals target)
	    ;; (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	    ;; Now have runconfigs data loaded, set environment vars
	    (for-each (lambda (section)
			(for-each (lambda (varval)
				    (let ((var (car varval))
					  (val (cadr varval)))
				      (if (and (string? var)(string? val))
					  (begin
					    (setenv var (config:eval-string-in-environment val))) ;; val)
					  (debug:print 0 "ERROR: bad variable spec, " var "=" val))))
				  (configf:get-section rconfig section)))
		      (list "default" target)))
	  (change-directory work-area) 
	  (set! keyvals    (keys:target->keyval keys target))
	  ;; apply pre-overrides before other variables. The pre-override vars must not
	  ;; clobbers things from the official sources such as megatest.config and runconfigs.config
	  (if (string? set-vars)
	      (let ((varpairs (string-split set-vars ",")))
		(debug:print 4 "varpairs: " varpairs)
		(map (lambda (varpair)
		       (let ((varval (string-split varpair "=")))
			 (if (eq? (length varval) 2)
			     (let ((var (car varval))
				   (val (cadr varval)))
			       (debug:print 1 "Adding pre-var/val " var " = " val " to the environment")
			       (setenv var val)))))
		     varpairs)))
	  (for-each
	   (lambda (varval)
	     (let ((var (car varval))
		   (val (cadr varval)))
	       (if val
		   (setenv var val)
		   (begin
		     (debug:print 0 "ERROR: required variable " var " does not have a valid value. Exiting")
		     (exit)))))
	     (list 
	      (list  "MT_TEST_RUN_DIR" work-area)
	      (list  "MT_TEST_NAME" test-name)
	      (list  "MT_ITEM_INFO" (conc itemdat))
	      (list  "MT_ITEMPATH"  item-path)
	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (configf:lookup (megatest:area-configdat area-dat) "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))

	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info
	  ;; (tests:set-full-meta-info #f test-id run-id 0 work-area)
	  ;; (tests:set-full-meta-info test-id run-id 0 work-area)
	  (tests:set-full-meta-info #f test-id run-id 0 work-area 10)

	  (thread-sleep! 0.3) ;; NFS slowness has caused grief here

	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test
	  ;; so this is a good place to remove the records for 
	  ;; any previous runs
	  ;; (db:test-remove-steps db run-id testname itemdat)
	  
	  (let* ((m            (make-mutex))
		 (kill-job?    #f)
		 (exit-info    (vector #t #t #t 0))
		 (job-thread   #f)
		 (keep-going   #t)
		 (runit        (lambda ()
				 ;; (let-values
				 ;;  (((pid exit-status exit-code)
				 ;;    (run-n-wait fullrunscript)))
				 ;; (tests:test-set-status! test-id "RUNNING" "n/a" #f #f)
				 ;; Since we should have a clean slate at this time there is no need to do 
				 ;; any of the other stuff that tests:test-set-status! does. Let's just 
				 ;; force RUNNING/n/a
				 

				 ;; (thread-sleep! 0.3)
				 (tests:test-force-state-status! run-id test-id "RUNNING" "n/a")
				 (rmt:roll-up-pass-fail-counts run-id test-name item-path "RUNNING" area-dat)
				 ;; (thread-sleep! 0.3) ;; NFS slowness has caused grief here

				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))
				       (rmt:test-set-top-process-pid run-id test-id pid area-dat)
				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)
					  (vector-set! exit-info 0 pid)
					  (vector-set! exit-info 1 exit-status)
					  (vector-set! exit-info 2 exit-code)
					  (vector-set! exit-info 3 exit-code)  ;; rollup status
					  (mutex-unlock! m)
					  (if (eq? pid-val 0)
					      (begin
						(thread-sleep! 2)
						(loop (+ i 1)))
					      )))))
				 ;; then, if runscript ran ok (or did not get called)
				 ;; do all the ezsteps (if any)
				 (if ezsteps
				     (let* ((testconfig (read-config (conc work-area "/testconfig") #f #t environ-patt: "pre-launch-env-vars")) ;; FIXME??? is allow-system ok here?
					    (ezstepslst (hash-table-ref/default testconfig "ezsteps" '())))
				       (hash-table-set! *testconfigs* test-name testconfig) ;; cached for lazy reads later ...
				       (if (not (file-exists? ".ezsteps"))(create-directory ".ezsteps"))
				       ;; if ezsteps was defined then we are sure to have at least one step but check anyway
				       (if (not (> (length ezstepslst) 0))
					   (debug:print 0 "ERROR: ezsteps defined but ezstepslst is zero length")
					   (let loop ((ezstep (car ezstepslst))
						      (tal    (cdr ezstepslst))
						      (prevstep #f))
					     ;; check exit-info (vector-ref exit-info 1)
					     (if (vector-ref exit-info 1)
						 (let ((logpro-used (launch:runstep ezstep run-id test-id exit-info m tal)))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
						 (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   ;; (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area)
				   ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
				   (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (or (test-get-kill-request run-id test-id) ;; run-id test-name itemdat))
							   (and runtlim (let* ((run-seconds   (- (current-seconds) start-seconds))
									       (time-exceeded (> run-seconds runtlim)))
									  (if time-exceeded
									      (begin
										(debug:print-info 0 "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" run-seconds " seconds, limit=" runtlim)
										#t)
									      #f)))))
				       (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
					     ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second
					     ;;       between tries?
					     (let* ((pid1 (vector-ref exit-info 0))
						    (pid2 (rmt:test-get-top-process-pid run-id test-id area-dat))
						    (pids (delete-duplicates (filter number? (list pid1 pid2)))))
					       (if (not (null? pids))
						   (begin
						     (for-each
						      (lambda (pid)
							(handle-exceptions
							 exn
							 (begin
							   (debug:print-info 0 "Unable to kill process with pid " pid ", possibly already killed.")
							   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
							 (debug:print 0 "WARNING: Request received to kill job " pid) ;;  " (attempt # " kill-tries ")")
							 (debug:print-info 0 "Signal mask=" (signal-mask))
							 ;; (if (process:alive? pid)
							 ;;     (begin
							 (map (lambda (pid-num)
								(process-signal pid-num signal/term))
							      (process:get-sub-pids pid))
							 (thread-sleep! 5)
							 ;; (if (process:process-alive? pid)
							 (map (lambda (pid-num)
								(handle-exceptions
								 exn
								 #f
								 (process-signal pid-num signal/kill)))
							      (process:get-sub-pids pid))))
							 ;;    (debug:print-info 0 "not killing process " pid " as it is not alive"))))
						      pids)
						     (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (args:get-arg "-m") #f))
						   (begin
						     (debug:print 0 "ERROR: Nothing to kill, pid1=" pid1 ", pid2=" pid2)
						     (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (args:get-arg "-m") #f)
						     )))
					     (mutex-unlock! m)
					     ;; no point in sticking around. Exit now.
					     (exit)))
				       (if keep-going
					   (begin
					     (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
					     (if keep-going
						 (loop (calc-minutes)))))))
				   (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)))) ;; NOTE: Checking twice for keep-going is intentional
		 (th1          (make-thread monitorjob "monitor job"))
		 (th2          (make-thread runit "run job")))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (debug:print-info 0 "Megatest exectute of test " test-name ", item path " item-path " complete. Notifying the db ...")
	    (set! keep-going #f)
	    (thread-join! th1)
	    (thread-sleep! 1)       ;; give thread th1 a chance to be done TODO: Verify this is needed. At 0.1 I was getting fail to stop, increased to total of 1.1 sec.
	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   ;; only state and status needed - use lazy routine
		   (testinfo  (rmt:get-testinfo-state-status run-id test-id area-dat)))
	      ;; Am I completed?
	      (if (member (db:test-get-state testinfo) '("REMOTEHOSTSTART" "RUNNING")) ;; NOTE: It should *not* be REMOTEHOSTSTART but for reasons I don't yet understand it sometimes gets stuck in that state ;; (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (let ((new-state  (if kill-job? "KILLED" "COMPLETED") ;; (if (eq? (vector-ref exit-info 2) 0) ;; exited with "good" status
				                                        ;; "COMPLETED"
							                ;; (db:test-get-state testinfo)))   ;; else preseve the state as set within the test
				    )
			(new-status (cond
				     ((not (vector-ref exit-info 1)) "FAIL") ;; job failed to run
				     ((eq? (vector-ref exit-info 3) 0)
				      ;; if the current status is AUTO then defer to the calculated value (i.e. leave this AUTO)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO" "PASS"))
				     ((eq? (vector-ref exit-info 3) 1) "FAIL")
				     ((eq? (vector-ref exit-info 3) 2)
				      ;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				     (else "FAIL")))) ;; (db:test-get-status testinfo)))
		    (debug:print-info 1 "Test exited in state=" (db:test-get-state testinfo) ", setting state/status based on exit code of " (vector-ref exit-info 1) " and rollup-status of " (vector-ref exit-info 3))
		    (tests:test-set-status! run-id 
					    test-id 
					    new-state
					    new-status
					    (args:get-arg "-m") #f)
		    ;; need to update the top test record if PASS or FAIL and this is a subtest
		    ;; NO NEED TO CALL roll-up-pass-fail-counts HERE, THIS IS DONE IN roll-up-pass-fail-counts called by tests:test-set-status!
		    ))
	      ;; for automated creation of the rollup html file this is a good place...
	      ;; (if (and (not (equal? item-path ""))
	      ;;      (< (random (rmt:get-count-tests-running-for-testname run-id test-name)) 5))
	      (tests:summarize-items run-id test-id test-name #f)
	      (tests:summarize-test run-id test-id)) ;; don't force - just update if no
	    (mutex-unlock! m)
	    (debug:print 2 "Output from running " fullrunscript ", pid " (vector-ref exit-info 0) " in work area " 
			 work-area ":\n====\n exit code " (vector-ref exit-info 2) "\n" "====\n")
	    (if (not (vector-ref exit-info 1))
		(exit 4)))))))

(define (launch:read-cached-config)
  (if (get-environment-variable "MT_CMDINFO") ;; we are inside a test - do not reprocess configs
      (let ((alistconfig (conc (get-environment-variable "MT_LINKTREE") "/"
			       (get-environment-variable "MT_TARGET")   "/"
			       (get-environment-variable "MT_RUNNAME")  "/"
			       ".megatest.cfg")))
	(if (file-exists? alistconfig)
	    (list (configf:read-alist alistconfig)
		  (get-environment-variable "MT_RUN_AREA_HOME"))
	    #f))
      #f)) 

(define (launch:read-megatest-config toppath)
  (let ((runname (or (args:get-arg "-runname")(args:get-arg ":runname"))))
    (if runname (setenv "MT_RUNNAME" runname))
    (find-and-read-config 
     (if (args:get-arg "-config")(args:get-arg "-config") "megatest.config")
     environ-patt: "env-override"
     given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
     pathenvvar: "MT_RUN_AREA_HOME")))

;; set up the very basics needed for doing anything here.
(define (launch:setup-for-run area-dat #!key (force #f))
  ;; would set values for KEYS in the environment here for better support of env-override but 
  ;; have chicken/egg scenario. need to read megatest.config then read it again. Going to 
  ;; pass on that idea for now
  ;; special case
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (or force (not (hash-table? configdat)))  ;; no need to re-open on every call
	(let* ((newconfiginfo (or (launch:read-cached-config) ;; no config cached - give up
				  (launch:read-megatest-config (megatest:area-path area-dat))))
	       (configdat     (car  newconfiginfo))
	       (toppath       (cadr newconfiginfo)))
	  (megatest:area-configinfo-set! area-dat newconfiginfo)
	  (megatest:area-configdat-set!  area-dat configdat)
	  (megatest:area-path-set!       area-dat toppath)
	  (let* ((tmptransport (configf:lookup configdat "server" "transport"))
		 (transport    (if tmptransport (string->symbol tmptransport) 'http)))
	    (if (member transport '(http rpc nmsg))
		(megatest:area-transport-set! area-dat transport)
		(begin
		  (debug:print 0 "ERROR: Unrecognised transport " transport)
		  (exit))))
	  (let ((linktree (configf:lookup configdat "setup" "linktree"))) ;; link tree is critical
	    (if linktree
		(if (not (file-exists? linktree))
		    (begin
		      (handle-exceptions
		       exn
		       (begin
			 (debug:print 0 "ERROR: Something went wrong when trying to create linktree dir at " linktree)
			 (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
			 (exit 1))
		       (create-directory linktree #t))))
		(begin
		  (debug:print 0 "ERROR: linktree not defined in [setup] section of megatest.config")
		  (exit 1)))
	    (if linktree
		(let ((dbdir (conc linktree "/.db")))
		  (handle-exceptions
		   exn
		   (begin
		     (debug:print 0 "ERROR: failed to create the " dbdir " area for your database files")
		     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
		   (if (not (directory-exists? dbdir))(create-directory dbdir)))
		  (setenv "MT_LINKTREE" linktree))
		(begin
		  (debug:print 0 "ERROR: linktree is required in your megatest.config [setup] section")
		  (exit 1)))
	    (if (and toppath
		   (directory-exists? toppath))
	      (setenv "MT_RUN_AREA_HOME" toppath)
	      (begin
		(debug:print 0 "ERROR: failed to find the top path to your Megatest area.")
		(exit 1))))
	  toppath))))

(define (launch:cache-config area-dat)
  ;; if we have a linktree and -runtests and -target and the directory exists dump the config
  ;; to megatest-(current-seconds).cfg and symlink it to megatest.cfg
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (and configdat 
	     (args:get-arg "-runtests"))
	(let* ((linktree (get-environment-variable "MT_LINKTREE"))
	       (target   (common:args-get-target))
	       (runname  (or (args:get-arg "-runname")
			     (args:get-arg ":runname")))
	       (fulldir  (conc linktree "/"
			       target "/"
			       runname)))
	  (debug:print-info 0 "Have -runtests with target=" target ", runname=" runname ", fulldir=" fulldir)
	  (if (file-exists? linktree) ;; can't proceed without linktree
	      (begin
		(if (not (file-exists? fulldir))
		    (create-directory fulldir #t)) ;; need to protect with exception handler 
		(if (and target
			 runname
			 (file-exists? fulldir))
		    (let ((tmpfile  (conc fulldir "/.megatest.cfg." (current-seconds)))
			  (targfile (conc fulldir "/.megatest.cfg")))
		      (debug:print-info 0 "Caching megatest.config in " fulldir "/.megatest.cfg")
		      (configf:write-alist configdat tmpfile)
		      (system (conc "ln -sf " tmpfile " " targfile))
		      ))))))))

(define (get-best-disk confdat)
  (let* ((disks    (hash-table-ref/default confdat "disks" #f))
	 (minspace (let ((m (configf:lookup confdat "setup" "minspace")))
		     (string->number (or m "10000")))))
    (if disks 
	(let ((res (common:get-disk-with-most-free-space disks minspace))) ;; min size of 1000, seems tad dumb
	  (if res
	      (cdr res)
	      (begin
		(if (common:low-noise-print 20 "no valid disks")
		    (debug:print 0 "ERROR: No valid disks found in megatest.config. Please add some to your [disks] section and ensure the directory exists!"))
		(exit 1)))))))

;; Desired directory structure:
;;
;;  <linkdir> - <target> - <testname> -.
;;                                     |
;;                                     v
;;  <rundir>  -  <target>  -    <testname> -|- <itempath(s)>
;;
;;  dir stored in test is:
;; 
;;  <linkdir> - <target> - <testname> [ - <itempath> ]
;; 
;; All log file links should be stored relative to the top of link path
;;  
;; <target> - <testname> [ - <itempath> ] 
;;
(define (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat area-dat #!key (remtries 2))
  (let* ((configdat (megatest:area-configdat area-dat))
	 (item-path (if (string? itemdat) itemdat (item-list->path itemdat))) ;; if pass in string - just use it
	 (runname   (if (string? run-info) ;; if we pass in a string as run-info use it as run-name.
			run-info
			(db:get-value-by-header (db:get-rows run-info)
						(db:get-header run-info)
						"runname")))
	 ;; convert back to db: from rdb: - this is always run at server end
	 (target   (string-intersperse (map cadr keyvals) "/"))

	 (not-iterated  (equal? "" item-path))

	 ;; all tests are found at <rundir>/test-base or <linkdir>/test-base
	 (testtop-base (conc target "/" runname "/" testname))
	 (test-base    (conc testtop-base (if not-iterated "" "/") item-path))

	 ;; nb// if itempath is not "" then it is prefixed with "/"
	 (toptest-path (conc disk-path "/" testtop-base))
	 (test-path    (conc disk-path "/" test-base))

	 ;; ensure this exists first as links to subtests must be created there
	 (linktree  (let ((rd (config-lookup configdat "setup" "linktree")))
		      (if rd rd (conc (megatest:area-path area-dat) "/runs"))))

	 (lnkbase   (conc linktree "/" target "/" runname))
	 (lnkpath   (conc lnkbase "/" testname))
	 (lnkpathf  (conc lnkpath (if not-iterated "" "/") item-path))
	 (lnktarget (conc lnkpath "/" item-path)))

    ;; Update the rundir path in the test record for all, rundir=physical, shortdir=logical
    ;;                                                 rundir   shortdir
    (rmt:general-call 'test-set-rundir-shortdir run-id lnkpathf test-path testname item-path area-dat)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (and (not (directory-exists? lnkbase))
	     (not (file-exists? lnkbase)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print "ERROR: Problem creating linktree base at " lnkbase)
	   (print-error-message exn (current-error-port)))
	 (create-directory lnkbase #t)))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 

    ;; Now create the link from the test path to the link tree, however
    ;; if the test is iterated it is necessary to create the parent path
    ;; to the iteration. use pathname-directory to trim the path by one
    ;; level
    (if (not not-iterated) ;; i.e. iterated
	(let ((iterated-parent  (pathname-directory (conc lnkpath "/" item-path))))
	  (debug:print-info 2 "Creating iterated parent " iterated-parent)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " iterated-parent ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory iterated-parent #t))))

    (if (symbolic-link? lnkpath) 
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to remove symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (delete-file lnkpath)))

    (if (not (or (file-exists? lnkpath)
		 (symbolic-link? lnkpath)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to create symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (create-symbolic-link toptest-path lnkpath)))
    
    ;; NB - This was not working right - some top tests are not getting the path set!!!
    ;;
    ;; Do the setting of this record after the paths are created so that the shortdir can 
    ;; be set to the real directory location. This is safer for future clean up if the link
    ;; tree is damaged or lost.
    ;; 
    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (rmt:get-test-info-by-id run-id test-id area-dat)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo ;; (filedb:get-path *fdb*
							     ;; (db:get-path dbstruct
				   ;; (rmt:sdb-qry 'getstr 
				   (db:test-get-rundir testinfo) ;; ) ;; )
				   #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (rmt:general-call 'test-set-rundir-shortdir run-id lnkpath 
			    (if (file-exists? lnkpath)
				(resolve-pathname lnkpath)
				lnkpath)
			    testname "" area-dat)
	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(handle-exceptions
		 exn
		 #f ;; don't care to catch and deal with errors here for now.
		 (create-directory toptest-path #t))
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 "Setting up sub test run area")
	  (debug:print 2 " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to re-create link " lnktarget ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit))
	   (if (symbolic-link? lnktarget)     (delete-file lnktarget))
	   (if (not (file-exists? lnktarget)) (create-symbolic-link test-path lnktarget)))))

    (if (not (directory? test-path))
	(create-directory test-path #t)) ;; this is a hack, I don't know why out of the blue this path does not exist sometimes

    (if (and test-src-path (directory? test-path))
	(begin
	  (let* ((ovrcmd (let ((cmd (config-lookup configdat "setup" "testcopycmd")))
			   (if cmd
			       ;; substitute the TEST_SRC_PATH and TEST_TARG_PATH
			       (string-substitute "TEST_TARG_PATH" test-path
						  (string-substitute "TEST_SRC_PATH" test-src-path cmd #t) #t)
			       #f)))
		 (cmd    (if ovrcmd 
			     ovrcmd
			     (conc "rsync -av" (if (debug:debug-mode 1) "" "q") " " test-src-path "/ " test-path "/"
				   " >> " test-path "/mt_launch.log 2>> " test-path "/mt_launch.log")))
		 (status (system cmd)))
	    (if (not (eq? status 0))
		(debug:print 2 "ERROR: problem with running \"" cmd "\"")))
	  (list lnkpathf lnkpath ))
	(if (and test-src-path (> remtries 0))
	    (begin
	      (debug:print 0 "ERROR: Failed to create work area at " test-path " with link at " lnktarget ", remaining attempts " remtries)
	      ;; 
	      (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat remtries: (- remtries 1)))
	    (list #f #f)))))

;; 1. look though disks list for disk with most space
;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params area-dat)
  (let ((toppath   (megatest:area-path      area-dat))
	(configdat (megatest:area-configdat area-dat)))
  (change-directory toppath)
  (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
   (list ;; (list "MT_TEST_RUN_DIR" work-area)
    (list "MT_RUN_AREA_HOME" toppath)
    (list "MT_TEST_NAME" test-name)
    ;; (list "MT_ITEM_INFO" (conc itemdat)) 
    (list "MT_RUNNAME"   runname)
    ;; (list "MT_TARGET"    mt_target)
    ))
  (let* ((useshell        (let ((ush (config-lookup configdat "jobtools"     "useshell")))
			    (if ush 
				(if (equal? ush "no") ;; must use "no" to NOT use shell
				    #f
				    ush)
				#t)))     ;; default is yes
	 (launcher        (config-lookup configdat "jobtools"     "launcher"))
	 (runscript       (config-lookup test-conf   "setup"        "runscript"))
	 (ezsteps         (> (length (hash-table-ref/default test-conf "ezsteps" '())) 0)) ;; don't send all the steps, could be big
	 (diskspace       (config-lookup test-conf   "requirements" "diskspace"))
	 (memory          (config-lookup test-conf   "requirements" "memory"))
	 (hosts           (config-lookup configdat "jobtools"     "workhosts"))
	 (remote-megatest (config-lookup configdat "setup" "executable"))
	 (run-time-limit  (or (configf:lookup  test-conf   "requirements" "runtimelim")
			      (configf:lookup  configdat "setup" "runtimelim")))
	 ;; FIXME SOMEDAY: not good how this is so obtuse, this hack is to 
	 ;;                allow running from dashboard. Extract the path
	 ;;                from the called megatest and convert dashboard
	 ;;             	  or dboard to megatest
	 (local-megatest  (let* ((lm  (car (argv)))
				 (dir (pathname-directory lm))
				 (exe (pathname-strip-directory lm)))
			    (conc (if dir (conc dir "/") "")
				  (case (string->symbol exe)
				    ((dboard)    "../megatest")
				    ((mtest)     "../megatest")
				    ((dashboard) "megatest")
				    (else exe)))))
	 (item-path  (item-list->path itemdat))
	 (test-sig   (conc test-name ":" item-path)) ;; (item-list->path itemdat))) ;; test-path is the full path including the item-path
	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 (testinfo   (rmt:get-test-info-by-id run-id test-id area-dat))
	 (mt_target  (string-intersperse (map cadr keyvals) "/"))
	 (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
			      (if (args:get-arg "-logging")(list "-logging") '()))))
    (setenv "MT_ITEMPATH" item-path)
    (if hosts (set! hosts (string-split hosts)))
    ;; set the megatest to be called on the remote host
    (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
    (set! mt-bindir-path (pathname-directory remote-megatest))
    (if launcher (set! launcher (string-split launcher)))
    ;; set up the run work area for this test
    (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
	     (not (member (db:test-get-rundir testinfo)(list "n/a" "/tmp/badname")))) ;; n/a is a placeholder and thus not a read dir
	(begin
	  (debug:print-info 0 "attempting to preclean directory " (db:test-get-rundir testinfo) " for test " test-name "/" item-path)
	  (runs:remove-test-directory testinfo 'remove-data-only))) ;; remove data only, do not perturb the record
    
    ;; prevent overlapping actions - set to LAUNCHED as early as possible
    ;;
    (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (rmt:roll-up-pass-fail-counts run-id test-name item-path "LAUNCHED" area-dat)
    (set! diskpath (get-best-disk configdat))
    (if diskpath
	(let ((dat  (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	  (set! work-area (car dat))
	  (set! toptest-work-area (cadr dat))
	  (debug:print-info 2 "Using work area " work-area))
	(begin
	  (set! work-area (conc test-path "/tmp_run"))
	  (create-directory work-area #t)
	  (debug:print 0 "WARNING: No disk work area specified - running in the test directory under tmp_run")))
    (set! cmdparms (base64:base64-encode 
		    (z3:encode-buffer 
		     (with-output-to-string
		       (lambda () ;; (list 'hosts     hosts)
			 (write (list (list 'testpath  test-path)
				      (list 'transport (conc (megatest:area-transport area-dat))) ;;
				      ;; (list 'serverinf *server-info*)
				      (list 'toppath   toppath)
				      (list 'work-area work-area)
				      (list 'test-name test-name) 
				      (list 'runscript runscript) 
				      (list 'run-id    run-id   )
				      (list 'test-id   test-id  )
				      ;; (list 'item-path item-path )
				      (list 'itemdat   itemdat  )
				      (list 'megatest  remote-megatest)
				      (list 'ezsteps   ezsteps) 
				      (list 'target    mt_target)
				      (list 'runtlim   (if run-time-limit (common:hms-string->seconds run-time-limit) #f))
				      (list 'env-ovrd  (hash-table-ref/default configdat "env-override" '())) 
				      (list 'set-vars  (if params (hash-table-ref/default params "-setvars" #f)))
				      (list 'runname   runname)
				      (list 'mt-bindir-path mt-bindir-path))))))))

    ;; clean out step records from previous run if they exist
    ;; (rmt:delete-test-step-records run-id test-id)
    
    ;; Moving launch logs to MT_RUN_AREA_HOME/logs 
    ;;
    (let ((launchdir (configf:lookup *configdat* "setup" "launchdir"))) ;; (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir
      (if (not launchdir) ;; default
	  (change-directory (conc *toppath* "/logs")) ;; can assume this exists
	  (case (string->symbol launchdir)
	    ((legacy)(change-directory work-area))
	    (else    (change-directory launchdir)))))
    (cond
     ((and launcher hosts) ;; must be using ssh hostname
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))
     (else
      (if (not useshell)(debug:print 0 "WARNING: internal launching will not work well without \"useshell yes\" in your [jobtools] section"))
      (set! fullcmd (append (list remote-megatest test-sig "-execute" cmdparms) debug-param (list (if useshell "&" ""))))))
    ;; (set! fullcmd (list remote-megatest test-sig "-execute" cmdparms (if useshell "&" "")))))
    (if (args:get-arg "-xterm")(set! fullcmd (append fullcmd (list "-xterm"))))
    (debug:print 1 "Launching " work-area)
    ;; set pre-launch-env-vars before launching, keep the vars in prevvals and put the envionment back when done
    (debug:print 4 "fullcmd: " fullcmd)
    (let* ((commonprevvals (alist->env-vars
			    (hash-table-ref/default configdat "env-override" '())))
	   (testprevvals   (alist->env-vars
			    (hash-table-ref/default test-conf "pre-launch-env-overrides" '())))
	   (miscprevvals   (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
			    (append (list (list "MT_TEST_RUN_DIR" work-area)
					  (list "MT_TEST_NAME" test-name)
					  (list "MT_ITEM_INFO" (conc itemdat)) 
					  (list "MT_RUNNAME"   runname)
					  (list "MT_TARGET"    mt_target)
					  (list "MT_ITEMPATH"  item-path)
					  )
				    itemdat)))
	   ;; Launchwait defaults to true, must override it to turn off wait
	   (launchwait     (if (equal? (configf:lookup configdat "setup" "launchwait") "no") #f #t))
	   (launch-results (apply (if launchwait
				      cmd-run-with-stderr->list
				      process-run)
				  (if useshell
				      (let ((cmdstr (string-intersperse fullcmd " ")))
					(if launchwait
					    cmdstr
					    (conc cmdstr " >> " work-area "/mt_launch.log 2>&1")))
				      (car fullcmd))
				  (if useshell
				      '()
				      (cdr fullcmd)))))
      (if (not launchwait) ;; give the OS a little time to allow the process to start
	  (thread-sleep! 0.01))
      (with-output-to-file (conc work-area "/mt_launch.log")
	(lambda ()
	  (if (list? launch-results)
	      (apply print launch-results)
	      (print "NOTE: launched \"" fullcmd "\"\n  but did not wait for it to proceed. Add the following to megatest.config \n[setup]\nlaunchwait yes\n  if you have problems with this"))
	  #:append))
      (debug:print 2 "Launching completed, updating db")
      (debug:print 2 "Launch results: " launch-results)
      (if (not launch-results)
          (begin
            (print "ERROR: Failed to run " (string-intersperse fullcmd " ") ", exiting now")
            ;; (sqlite3:finalize! db)
            ;; good ole "exit" seems not to work
            ;; (_exit 9)
            ;; but this hack will work! Thanks go to Alan Post of the Chicken email list
            ;; NB// Is this still needed? Should be safe to go back to "exit" now?
            (process-signal (current-process-id) signal/kill)
            ))
      (alist->env-vars miscprevvals)
      (alist->env-vars testprevvals)
      (alist->env-vars commonprevvals)
      launch-results))
  (change-directory toppath))
  ;; added paren below after refactoring above routine. must have missed something?
  )

;; Copyright 2006-2013, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;======================================================================
;; launch a task - this runs on the originating host, tests themselves
;;
;;======================================================================

(use regex regex-case base64 sqlite3 srfi-18 directory-utils posix-extras z3 call-with-environment-variables)

(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses common))
(declare (uses configf))
(declare (uses db))
;; (declare (uses sdb))
(declare (uses tdb))
;; (declare (uses filedb))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
;;   BUT
;; now are
;; stepname {VAR=first,second,third ...} command ...
;; where the {VAR=first,second,third ...} is optional.

;; given an exit code and whether or not logpro was used calculate OK/BAD
;; return #t if we are ok, #f otherwise
(define (steprun-good? logpro exitcode)
  (or (eq? exitcode 0)
      (and logpro (eq? exitcode 2))))

;; if handed a string, process it, else look for MT_CMDINFO
(define (launch:get-cmdinfo-assoc-list #!key (encoded-cmd #f))
  (let ((enccmd (if encoded-cmd encoded-cmd (getenv "MT_CMDINFO"))))
    (if enccmd
	(common:read-encoded-string enccmd)
	'())))


(define (launch:runstep ezstep run-id test-id exit-info m tal)
  (let* ((stepname  (car ezstep))  ;; do stuff to run the step
	 (stepinfo  (cadr ezstep))
	 (stepparts (string-match (regexp "^(\\{([^\\}]*)\\}\\s*|)(.*)$") stepinfo))
	 (stepparms (list-ref stepparts 2)) ;; for future use, {VAR=1,2,3}, run step for each 
	 (stepcmd   (list-ref stepparts 3))
	 (script    "") ; "#!/bin/bash\n") ;; yep, we depend on bin/bash FIXME!!!\
	 (logpro-file (conc stepname ".logpro"))
	 (html-file   (conc stepname ".html"))
	 (logpro-used (file-exists? logpro-file)))
    ;; NB// can safely assume we are in test-area directory
    (debug:print 4 "ezsteps:\n stepname: " stepname " stepinfo: " stepinfo " stepparts: " stepparts
		 " stepparms: " stepparms " stepcmd: " stepcmd)
    
    ;; ;; first source the previous environment
    ;; (let ((prev-env (conc ".ezsteps/" prevstep (if (string-search (regexp "csh") 
    ;;      							 (get-environment-variable "SHELL")) ".csh" ".sh"))))
    ;;   (if (and prevstep (file-exists? prev-env))
    ;;       (set! script (conc script "source " prev-env))))
    
    ;; call the command using mt_ezstep
    ;; (set! script (conc "mt_ezstep " stepname " " (if prevstep prevstep "x") " " stepcmd))
    
    (debug:print 4 "script: " script)
    (rmt:teststep-set-status! run-id test-id stepname "start" "-" #f #f area-dat)
    ;; now launch the actual process
    (call-with-environment-variables 
     (list (cons "PATH" (conc (get-environment-variable "PATH") ":.")))
     (lambda () ;; (process-run "/bin/bash" "-c" "exec ls -l /tmp/foobar > /tmp/delme-more.log 2>&1")
       (let* ((cmd (conc stepcmd " > " stepname ".log 2>&1")) ;; >outfile 2>&1 
	      (pid (process-run "/bin/bash" (list "-c" cmd))))
	 (rmt:test-set-top-process-pid run-id test-id pid area-dat)
	 (let processloop ((i 0))
	   (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
		       (mutex-lock! m)
		       (vector-set! exit-info 0 pid)
		       (vector-set! exit-info 1 exit-status)
		       (vector-set! exit-info 2 exit-code)
		       (mutex-unlock! m)
		       (if (eq? pid-val 0)
			   (begin
			     (thread-sleep! 2)
			     (processloop (+ i 1))))
		       )))))
    (debug:print-info 0 "step " stepname " completed with exit code " (vector-ref exit-info 2))
    ;; now run logpro if needed
    (if logpro-used
	(let ((pid (process-run (conc "logpro " logpro-file " " (conc stepname ".html") " < " stepname ".log"))))
	  (let processloop ((i 0))
	    (let-values (((pid-val exit-status exit-code)(process-wait pid #t)))
			(mutex-lock! m)
			(vector-set! exit-info 0 pid)
			(vector-set! exit-info 1 exit-status)
			(vector-set! exit-info 2 exit-code)
			(mutex-unlock! m)
			(if (eq? pid-val 0)
			    (begin
			      (thread-sleep! 2)
			      (processloop (+ i 1)))))
	    (debug:print-info 0 "logpro for step " stepname " exited with code " (vector-ref exit-info 2)))))
    
    (let ((exinfo (vector-ref exit-info 2))
	  (logfna (if logpro-used (conc stepname ".html") "")))
      (rmt:teststep-set-status! run-id test-id stepname "end" exinfo #f logfna area-dat))
    (if logpro-used
	(rmt:test-set-log! run-id test-id (conc stepname ".html") area-dat))
    ;; set the test final status
    (let* ((this-step-status (cond
			      ((and (eq? (vector-ref exit-info 2) 2) logpro-used) 'warn)
			      ((eq? (vector-ref exit-info 2) 0)                   'pass)
			      (else 'fail)))
	   (overall-status   (cond
			      ((eq? (vector-ref exit-info 3) 2) 'warn) ;; rollup-status
			      ((eq? (vector-ref exit-info 3) 0) 'pass)
			      (else 'fail)))
	   (next-status      (cond 
			      ((eq? overall-status 'pass) this-step-status)
			      ((eq? overall-status 'warn)
			       (if (eq? this-step-status 'fail) 'fail 'warn))
			      (else 'fail)))
	   (next-state       ;; "RUNNING") ;; WHY WAS THIS CHANGED TO NOT USE (null? tal) ??
	    (cond
	     ((null? tal) ;; more to run?
	      "COMPLETED")
	     (else "RUNNING")))
	   )
      (debug:print 4 "Exit value received: " (vector-ref exit-info 2) " logpro-used: " logpro-used 
		   " this-step-status: " this-step-status " overall-status: " overall-status 
		   " next-status: " next-status " rollup-status: " (vector-ref exit-info 3))
      (case next-status
	((warn)
	 (vector-set! exit-info 3 2) ;; rollup-status
	 ;; NB// test-set-status! does rdb calls under the hood
	 (tests:test-set-status! run-id test-id next-state "WARN" 
				 (if (eq? this-step-status 'warn) "Logpro warning found" #f)
				 #f))
	((pass)
	 (tests:test-set-status! run-id test-id next-state "PASS" #f #f))
	(else ;; 'fail
	 (vector-set! exit-info 3 1) ;; force fail, this used to be next-state but that doesn't make sense. should always be "COMPLETED" 
	 (tests:test-set-status! run-id test-id "COMPLETED" "FAIL" (conc "Failed at step " stepname) #f)
	 )))
    logpro-used))

(define (launch:execute encoded-cmd area-dat)
  (let* ((cmdinfo   (common:read-encoded-string encoded-cmd)))
    (setenv "MT_CMDINFO" encoded-cmd)
    (if (list? cmdinfo) ;; ((testpath /tmp/mrwellan/jazzmind/src/example_run/tests/sqlitespeed)
	;; (test-name sqlitespeed) (runscript runscript.rb) (db-host localhost) (run-id 1))
	(let* ((testpath  (assoc/default 'testpath  cmdinfo))  ;; testpath is the test spec area
	       (top-path  (assoc/default 'toppath   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))  ;; work-area is the test run area
	       (test-name (assoc/default 'test-name cmdinfo))
	       (runscript (assoc/default 'runscript cmdinfo))
	       (ezsteps   (assoc/default 'ezsteps   cmdinfo))
	       ;; (runremote (assoc/default 'runremote cmdinfo))
	       (transport (assoc/default 'transport cmdinfo))
	       ;; (serverinf (assoc/default 'serverinf cmdinfo))
	       (port      (assoc/default 'port      cmdinfo))
	       (run-id    (assoc/default 'run-id    cmdinfo))
	       (test-id   (assoc/default 'test-id   cmdinfo))
	       (target    (assoc/default 'target    cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (env-ovrd  (assoc/default 'env-ovrd  cmdinfo))
	       (set-vars  (assoc/default 'set-vars  cmdinfo)) ;; pre-overrides from -setvar
	       (runname   (assoc/default 'runname   cmdinfo))
	       (megatest  (assoc/default 'megatest  cmdinfo))
	       (runtlim   (assoc/default 'runtlim   cmdinfo))
	       (item-path (item-list->path itemdat))
	       (mt-bindir-path (assoc/default 'mt-bindir-path cmdinfo))
	       (keys      #f)
	       (keyvals   #f)
	       (fullrunscript (if (not runscript)
                                  #f
                                  (if (substring-index "/" runscript)
                                      runscript ;; use unadultered if contains slashes
                                      (let ((fulln (conc testpath "/" runscript)))
	                                  (if (and (file-exists? fulln)
                                                   (file-execute-access? fulln))
                                              fulln
                                              runscript))))) ;; assume it is on the path
	       ;; (rollup-status 0)
	       )
	  (change-directory top-path)

	  ;; (set-signal-handler! signal/int (lambda ()
					    
	  ;; Do not run the test if it is REMOVING, RUNNING, KILLREQ or REMOTEHOSTSTART,
	  ;; Mark the test as REMOTEHOSTSTART *IMMEDIATELY*
	  ;;
	  (let ((test-info (rmt:get-testinfo-state-status run-id test-id area-dat)))
	    (if (not (member (db:test-get-state test-info) '("REMOVING" "REMOTEHOSTSTART" "RUNNING" "KILLREQ")))
		(tests:test-force-state-status! run-id test-id "REMOTEHOSTSTART" "n/a")
		(begin
		  (debug:print 0 "ERROR: test state is " (db:test-get-state test-info) ", cannot proceed")
		  (exit))))
	  
	  (debug:print 2 "Exectuing " test-name " (id: " test-id ") on " (get-host-name))
	  (set! keys       (rmt:get-keys area-dat))
	  ;; (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals) ;; these may be needed by the launching process
	  ;; one of these is defunct/redundant ...
	  (if (not (launch:setup-for-run area-dat force: #t))
	      (begin
		(debug:print 0 "Failed to setup, exiting") 
		;; (sqlite3:finalize! db)
		;; (sqlite3:finalize! tdb)
		(exit 1)))
	  (change-directory toppath) 

	  ;; NOTE: Current order is to process runconfigs *before* setting the MT_ vars. This 
	  ;;       seems non-ideal but could well break stuff
	  ;;    BUG? BUG? BUG?

	  (let ((rconfig (full-runconfigs-read))) ;; (read-config (conc  toppath "/runconfigs.config") #f #t sections: (list "default" target))))
	    ;; (setup-env-defaults (conc toppath "/runconfigs.config") run-id (make-hash-table) keyvals target)
	    ;; (set-run-config-vars run-id keyvals target) ;; (db:get-target db run-id))
	    ;; Now have runconfigs data loaded, set environment vars
	    (for-each (lambda (section)
			(for-each (lambda (varval)
				    (let ((var (car varval))
					  (val (cadr varval)))
				      (if (and (string? var)(string? val))
					  (begin
					    (setenv var (config:eval-string-in-environment val))) ;; val)
					  (debug:print 0 "ERROR: bad variable spec, " var "=" val))))
				  (configf:get-section rconfig section)))
		      (list "default" target)))
	  (change-directory work-area) 
	  (set! keyvals    (keys:target->keyval keys target))
	  ;; apply pre-overrides before other variables. The pre-override vars must not
	  ;; clobbers things from the official sources such as megatest.config and runconfigs.config
	  (if (string? set-vars)
	      (let ((varpairs (string-split set-vars ",")))
		(debug:print 4 "varpairs: " varpairs)
		(map (lambda (varpair)
		       (let ((varval (string-split varpair "=")))
			 (if (eq? (length varval) 2)
			     (let ((var (car varval))
				   (val (cadr varval)))
			       (debug:print 1 "Adding pre-var/val " var " = " val " to the environment")
			       (setenv var val)))))
		     varpairs)))
	  (for-each
	   (lambda (varval)
	     (let ((var (car varval))
		   (val (cadr varval)))
	       (if val
		   (setenv var val)
		   (begin
		     (debug:print 0 "ERROR: required variable " var " does not have a valid value. Exiting")
		     (exit)))))
	     (list 
	      (list  "MT_TEST_RUN_DIR" work-area)
	      (list  "MT_TEST_NAME" test-name)
	      (list  "MT_ITEM_INFO" (conc itemdat))
	      (list  "MT_ITEMPATH"  item-path)
	      (list  "MT_RUNNAME"   runname)
	      (list  "MT_MEGATEST"  megatest)
	      (list  "MT_TARGET"    target)
	      (list  "MT_LINKTREE"  (configf:lookup (megatest:area-configdat area-dat) "setup" "linktree"))
	      (list  "MT_TESTSUITENAME" (common:get-testsuite-name))))

	  (if mt-bindir-path (setenv "PATH" (conc (getenv "PATH") ":" mt-bindir-path)))
	  ;; (change-directory top-path)
	  ;; Can setup as client for server mode now
	  ;; (client:setup)

	  
	  ;; environment overrides are done *before* the remaining critical envars.
	  (alist->env-vars env-ovrd)
	  (runs:set-megatest-env-vars run-id area-dat inkeys: keys inkeyvals: keyvals)
	  (set-item-env-vars itemdat)
	  (save-environment-as-files "megatest")
	  ;; open-run-close not needed for test-set-meta-info
	  ;; (tests:set-full-meta-info #f test-id run-id 0 work-area)
	  ;; (tests:set-full-meta-info test-id run-id 0 work-area)
	  (tests:set-full-meta-info #f test-id run-id 0 work-area 10)

	  (thread-sleep! 0.3) ;; NFS slowness has caused grief here

	  (if (args:get-arg "-xterm")
	      (set! fullrunscript "xterm")
	      (if (and fullrunscript (not (file-execute-access? fullrunscript)))
		  (system (conc "chmod ug+x " fullrunscript))))
	  ;; We are about to actually kick off the test
	  ;; so this is a good place to remove the records for 
	  ;; any previous runs
	  ;; (db:test-remove-steps db run-id testname itemdat)
	  
	  (let* ((m            (make-mutex))
		 (kill-job?    #f)
		 (exit-info    (vector #t #t #t 0))
		 (job-thread   #f)
		 (keep-going   #t)
		 (runit        (lambda ()
				 ;; (let-values
				 ;;  (((pid exit-status exit-code)
				 ;;    (run-n-wait fullrunscript)))
				 ;; (tests:test-set-status! test-id "RUNNING" "n/a" #f #f)
				 ;; Since we should have a clean slate at this time there is no need to do 
				 ;; any of the other stuff that tests:test-set-status! does. Let's just 
				 ;; force RUNNING/n/a
				 

				 ;; (thread-sleep! 0.3)
				 (tests:test-force-state-status! run-id test-id "RUNNING" "n/a")
				 (rmt:roll-up-pass-fail-counts run-id test-name item-path "RUNNING" area-dat)
				 ;; (thread-sleep! 0.3) ;; NFS slowness has caused grief here

				 ;; if there is a runscript do it first
				 (if fullrunscript
				     (let ((pid (process-run fullrunscript)))
				       (rmt:test-set-top-process-pid run-id test-id pid area-dat)
				       (let loop ((i 0))
					 (let-values
					  (((pid-val exit-status exit-code) (process-wait pid #t)))
					  (mutex-lock! m)
					  (vector-set! exit-info 0 pid)
					  (vector-set! exit-info 1 exit-status)
					  (vector-set! exit-info 2 exit-code)
					  (vector-set! exit-info 3 exit-code)  ;; rollup status
					  (mutex-unlock! m)
					  (if (eq? pid-val 0)
					      (begin
						(thread-sleep! 2)
						(loop (+ i 1)))
					      )))))
				 ;; then, if runscript ran ok (or did not get called)
				 ;; do all the ezsteps (if any)
				 (if ezsteps
				     (let* ((testconfig (read-config (conc work-area "/testconfig") #f #t environ-patt: "pre-launch-env-vars")) ;; FIXME??? is allow-system ok here?
					    (ezstepslst (hash-table-ref/default testconfig "ezsteps" '())))
				       (hash-table-set! *testconfigs* test-name testconfig) ;; cached for lazy reads later ...
				       (if (not (file-exists? ".ezsteps"))(create-directory ".ezsteps"))
				       ;; if ezsteps was defined then we are sure to have at least one step but check anyway
				       (if (not (> (length ezstepslst) 0))
					   (debug:print 0 "ERROR: ezsteps defined but ezstepslst is zero length")
					   (let loop ((ezstep (car ezstepslst))
						      (tal    (cdr ezstepslst))
						      (prevstep #f))
					     ;; check exit-info (vector-ref exit-info 1)
					     (if (vector-ref exit-info 1)
						 (let ((logpro-used (launch:runstep ezstep run-id test-id exit-info m tal)))
						   (if (and (steprun-good? logpro-used (vector-ref exit-info 2))
							    (not (null? tal)))
						       (loop (car tal) (cdr tal) stepname)))
						 (debug:print 4 "WARNING: a prior step failed, stopping at " ezstep))))))))
		 (monitorjob   (lambda ()
				 (let* ((start-seconds (current-seconds))
					(calc-minutes  (lambda ()
							 (inexact->exact 
							  (round 
							   (- 
							    (current-seconds) 
							    start-seconds)))))
					(kill-tries 0))
				   ;; (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area)
				   ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
				   (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
				   (let loop ((minutes   (calc-minutes)))
				     (begin
				       (set! kill-job? (or (test-get-kill-request run-id test-id) ;; run-id test-name itemdat))
							   (and runtlim (let* ((run-seconds   (- (current-seconds) start-seconds))
									       (time-exceeded (> run-seconds runtlim)))
									  (if time-exceeded
									      (begin
										(debug:print-info 0 "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" run-seconds " seconds, limit=" runtlim)
										#t)
									      #f)))))
				       (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)
				       (if kill-job? 
					   (begin
					     (mutex-lock! m)
					     ;; NOTE: The pid can change as different steps are run. Do we need handshaking between this
					     ;;       section and the runit section? Or add a loop that tries three times with a 1/4 second
					     ;;       between tries?
					     (let* ((pid1 (vector-ref exit-info 0))
						    (pid2 (rmt:test-get-top-process-pid run-id test-id area-dat))
						    (pids (delete-duplicates (filter number? (list pid1 pid2)))))
					       (if (not (null? pids))
						   (begin
						     (for-each
						      (lambda (pid)
							(handle-exceptions
							 exn
							 (begin
							   (debug:print-info 0 "Unable to kill process with pid " pid ", possibly already killed.")
							   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
							 (debug:print 0 "WARNING: Request received to kill job " pid) ;;  " (attempt # " kill-tries ")")
							 (debug:print-info 0 "Signal mask=" (signal-mask))
							 ;; (if (process:alive? pid)
							 ;;     (begin
							 (map (lambda (pid-num)
								(process-signal pid-num signal/term))
							      (process:get-sub-pids pid))
							 (thread-sleep! 5)
							 ;; (if (process:process-alive? pid)
							 (map (lambda (pid-num)
								(handle-exceptions
								 exn
								 #f
								 (process-signal pid-num signal/kill)))
							      (process:get-sub-pids pid))))
							 ;;    (debug:print-info 0 "not killing process " pid " as it is not alive"))))
						      pids)
						     (tests:test-set-status! run-id test-id "KILLED"  "KILLED" (args:get-arg "-m") #f))
						   (begin
						     (debug:print 0 "ERROR: Nothing to kill, pid1=" pid1 ", pid2=" pid2)
						     (tests:test-set-status! run-id test-id "KILLED"  "FAILED TO KILL" (args:get-arg "-m") #f)
						     )))
					     (mutex-unlock! m)
					     ;; no point in sticking around. Exit now.
					     (exit)))
				       (if keep-going
					   (begin
					     (thread-sleep! 3) ;; (+ 3 (random 6))) ;; add some jitter to the call home time to spread out the db accesses
					     (if keep-going
						 (loop (calc-minutes)))))))
				   (tests:update-central-meta-info run-id test-id (get-cpu-load) (get-df (current-directory))(calc-minutes) #f #f)))) ;; NOTE: Checking twice for keep-going is intentional
		 (th1          (make-thread monitorjob "monitor job"))
		 (th2          (make-thread runit "run job")))
	    (set! job-thread th2)
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th2)
	    (debug:print-info 0 "Megatest exectute of test " test-name ", item path " item-path " complete. Notifying the db ...")
	    (set! keep-going #f)
	    (thread-join! th1)
	    (thread-sleep! 1)       ;; give thread th1 a chance to be done TODO: Verify this is needed. At 0.1 I was getting fail to stop, increased to total of 1.1 sec.
	    (mutex-lock! m)
	    (let* ((item-path (item-list->path itemdat))
		   ;; only state and status needed - use lazy routine
		   (testinfo  (rmt:get-testinfo-state-status run-id test-id area-dat)))
	      ;; Am I completed?
	      (if (member (db:test-get-state testinfo) '("REMOTEHOSTSTART" "RUNNING")) ;; NOTE: It should *not* be REMOTEHOSTSTART but for reasons I don't yet understand it sometimes gets stuck in that state ;; (not (equal? (db:test-get-state testinfo) "COMPLETED"))
		  (let ((new-state  (if kill-job? "KILLED" "COMPLETED") ;; (if (eq? (vector-ref exit-info 2) 0) ;; exited with "good" status
				                                        ;; "COMPLETED"
							                ;; (db:test-get-state testinfo)))   ;; else preseve the state as set within the test
				    )
			(new-status (cond
				     ((not (vector-ref exit-info 1)) "FAIL") ;; job failed to run
				     ((eq? (vector-ref exit-info 3) 0)
				      ;; if the current status is AUTO then defer to the calculated value (i.e. leave this AUTO)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO" "PASS"))
				     ((eq? (vector-ref exit-info 3) 1) "FAIL")
				     ((eq? (vector-ref exit-info 3) 2)
				      ;; if the current status is AUTO the defer to the calculated value but qualify (i.e. make this AUTO-WARN)
				      (if (equal? (db:test-get-status testinfo) "AUTO") "AUTO-WARN" "WARN"))
				     (else "FAIL")))) ;; (db:test-get-status testinfo)))
		    (debug:print-info 1 "Test exited in state=" (db:test-get-state testinfo) ", setting state/status based on exit code of " (vector-ref exit-info 1) " and rollup-status of " (vector-ref exit-info 3))
		    (tests:test-set-status! run-id 
					    test-id 
					    new-state
					    new-status
					    (args:get-arg "-m") #f)
		    ;; need to update the top test record if PASS or FAIL and this is a subtest
		    ;; NO NEED TO CALL roll-up-pass-fail-counts HERE, THIS IS DONE IN roll-up-pass-fail-counts called by tests:test-set-status!
		    ))
	      ;; for automated creation of the rollup html file this is a good place...
	      ;; (if (and (not (equal? item-path ""))
	      ;;      (< (random (rmt:get-count-tests-running-for-testname run-id test-name)) 5))
	      (tests:summarize-items run-id test-id test-name #f)
	      (tests:summarize-test run-id test-id)) ;; don't force - just update if no
	    (mutex-unlock! m)
	    (debug:print 2 "Output from running " fullrunscript ", pid " (vector-ref exit-info 0) " in work area " 
			 work-area ":\n====\n exit code " (vector-ref exit-info 2) "\n" "====\n")
	    (if (not (vector-ref exit-info 1))
		(exit 4)))))))

(define (launch:read-cached-config)
  (if (get-environment-variable "MT_CMDINFO") ;; we are inside a test - do not reprocess configs
      (let ((alistconfig (conc (get-environment-variable "MT_LINKTREE") "/"
			       (get-environment-variable "MT_TARGET")   "/"
			       (get-environment-variable "MT_RUNNAME")  "/"
			       ".megatest.cfg")))
	(if (file-exists? alistconfig)
	    (list (configf:read-alist alistconfig)
		  (get-environment-variable "MT_RUN_AREA_HOME"))
	    #f))
      #f)) 

(define (launch:read-megatest-config toppath)
  (let ((runname (or (args:get-arg "-runname")(args:get-arg ":runname"))))
    (if runname (setenv "MT_RUNNAME" runname))
    (find-and-read-config 
     (if (args:get-arg "-config")(args:get-arg "-config") "megatest.config")
     environ-patt: "env-override"
     given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
     pathenvvar: "MT_RUN_AREA_HOME")))

;; set up the very basics needed for doing anything here.
(define (launch:setup-for-run area-dat #!key (force #f))
  ;; would set values for KEYS in the environment here for better support of env-override but 
  ;; have chicken/egg scenario. need to read megatest.config then read it again. Going to 
  ;; pass on that idea for now
  ;; special case
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (or force (not (hash-table? configdat)))  ;; no need to re-open on every call
	(let* ((newconfiginfo (or (launch:read-cached-config) ;; no config cached - give up
				  (launch:read-megatest-config (megatest:area-path area-dat))))
	       (configdat     (car  newconfiginfo))
	       (toppath       (cadr newconfiginfo)))
	  (megatest:area-configinfo-set! area-dat newconfiginfo)
	  (megatest:area-configdat-set!  area-dat configdat)
	  (megatest:area-path-set!       area-dat toppath)
	  (let* ((tmptransport (configf:lookup configdat "server" "transport"))
		 (transport    (if tmptransport (string->symbol tmptransport) 'http)))
	    (if (member transport '(http rpc nmsg))
		(megatest:area-transport-set! area-dat transport)
		(begin
		  (debug:print 0 "ERROR: Unrecognised transport " transport)
		  (exit))))
	  (let ((linktree (configf:lookup configdat "setup" "linktree"))) ;; link tree is critical
	    (if linktree
		(if (not (file-exists? linktree))
		    (begin
		      (handle-exceptions
		       exn
		       (begin
			 (debug:print 0 "ERROR: Something went wrong when trying to create linktree dir at " linktree)
			 (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
			 (exit 1))
		       (create-directory linktree #t))))
		(begin
		  (debug:print 0 "ERROR: linktree not defined in [setup] section of megatest.config")
		  (exit 1)))
	    (if linktree
		(let ((dbdir (conc linktree "/.db")))
		  (handle-exceptions
		   exn
		   (begin
		     (debug:print 0 "ERROR: failed to create the " dbdir " area for your database files")
		     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn)))
		   (if (not (directory-exists? dbdir))(create-directory dbdir)))
		  (setenv "MT_LINKTREE" linktree))
		(begin
		  (debug:print 0 "ERROR: linktree is required in your megatest.config [setup] section")
		  (exit 1)))
	    (if (and toppath
		   (directory-exists? toppath))
	      (setenv "MT_RUN_AREA_HOME" toppath)
	      (begin
		(debug:print 0 "ERROR: failed to find the top path to your Megatest area.")
		(exit 1))))
	  toppath))))

(define (launch:cache-config area-dat)
  ;; if we have a linktree and -runtests and -target and the directory exists dump the config
  ;; to megatest-(current-seconds).cfg and symlink it to megatest.cfg
  (let ((configdat (megatest:area-configdat area-dat)))
    (if (and configdat 
	     (args:get-arg "-runtests"))
	(let* ((linktree (get-environment-variable "MT_LINKTREE"))
	       (target   (common:args-get-target))
	       (runname  (or (args:get-arg "-runname")
			     (args:get-arg ":runname")))
	       (fulldir  (conc linktree "/"
			       target "/"
			       runname)))
	  (debug:print-info 0 "Have -runtests with target=" target ", runname=" runname ", fulldir=" fulldir)
	  (if (file-exists? linktree) ;; can't proceed without linktree
	      (begin
		(if (not (file-exists? fulldir))
		    (create-directory fulldir #t)) ;; need to protect with exception handler 
		(if (and target
			 runname
			 (file-exists? fulldir))
		    (let ((tmpfile  (conc fulldir "/.megatest.cfg." (current-seconds)))
			  (targfile (conc fulldir "/.megatest.cfg")))
		      (debug:print-info 0 "Caching megatest.config in " fulldir "/.megatest.cfg")
		      (configf:write-alist configdat tmpfile)
		      (system (conc "ln -sf " tmpfile " " targfile))
		      ))))))))

(define (get-best-disk confdat)
  (let* ((disks    (hash-table-ref/default confdat "disks" #f))
	 (minspace (let ((m (configf:lookup confdat "setup" "minspace")))
		     (string->number (or m "10000")))))
    (if disks 
	(let ((res (common:get-disk-with-most-free-space disks minspace))) ;; min size of 1000, seems tad dumb
	  (if res
	      (cdr res)
	      (begin
		(if (common:low-noise-print 20 "no valid disks")
		    (debug:print 0 "ERROR: No valid disks found in megatest.config. Please add some to your [disks] section and ensure the directory exists!"))
		(exit 1)))))))

;; Desired directory structure:
;;
;;  <linkdir> - <target> - <testname> -.
;;                                     |
;;                                     v
;;  <rundir>  -  <target>  -    <testname> -|- <itempath(s)>
;;
;;  dir stored in test is:
;; 
;;  <linkdir> - <target> - <testname> [ - <itempath> ]
;; 
;; All log file links should be stored relative to the top of link path
;;  
;; <target> - <testname> [ - <itempath> ] 
;;
(define (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat area-dat #!key (remtries 2))
  (let* ((configdat (megatest:area-configdat area-dat))
	 (item-path (if (string? itemdat) itemdat (item-list->path itemdat))) ;; if pass in string - just use it
	 (runname   (if (string? run-info) ;; if we pass in a string as run-info use it as run-name.
			run-info
			(db:get-value-by-header (db:get-rows run-info)
						(db:get-header run-info)
						"runname")))
	 ;; convert back to db: from rdb: - this is always run at server end
	 (target   (string-intersperse (map cadr keyvals) "/"))

	 (not-iterated  (equal? "" item-path))

	 ;; all tests are found at <rundir>/test-base or <linkdir>/test-base
	 (testtop-base (conc target "/" runname "/" testname))
	 (test-base    (conc testtop-base (if not-iterated "" "/") item-path))

	 ;; nb// if itempath is not "" then it is prefixed with "/"
	 (toptest-path (conc disk-path "/" testtop-base))
	 (test-path    (conc disk-path "/" test-base))

	 ;; ensure this exists first as links to subtests must be created there
	 (linktree  (let ((rd (config-lookup configdat "setup" "linktree")))
		      (if rd rd (conc (megatest:area-path area-dat) "/runs"))))

	 (lnkbase   (conc linktree "/" target "/" runname))
	 (lnkpath   (conc lnkbase "/" testname))
	 (lnkpathf  (conc lnkpath (if not-iterated "" "/") item-path))
	 (lnktarget (conc lnkpath "/" item-path)))

    ;; Update the rundir path in the test record for all, rundir=physical, shortdir=logical
    ;;                                                 rundir   shortdir
    (rmt:general-call 'test-set-rundir-shortdir run-id lnkpathf test-path testname item-path area-dat)

    (debug:print 2 "INFO:\n       lnkbase=" lnkbase "\n       lnkpath=" lnkpath "\n  toptest-path=" toptest-path "\n     test-path=" test-path)
    (if (not (file-exists? linktree))
	(begin
	  (debug:print 0 "WARNING: linktree did not exist! Creating it now at " linktree)
	  (create-directory linktree #t))) ;; (system (conc "mkdir -p " linktree))))
    ;; create the directory for the tests dir links, this is needed no matter what...
    (if (and (not (directory-exists? lnkbase))
	     (not (file-exists? lnkbase)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print "ERROR: Problem creating linktree base at " lnkbase)
	   (print-error-message exn (current-error-port)))
	 (create-directory lnkbase #t)))
    
    ;; update the toptest record with its location rundir, cache the path
    ;; This wass highly inefficient, one db write for every subtest, potentially
    ;; thousands of unnecessary updates, cache the fact it was set and don't set it 
    ;; again. 

    ;; Now create the link from the test path to the link tree, however
    ;; if the test is iterated it is necessary to create the parent path
    ;; to the iteration. use pathname-directory to trim the path by one
    ;; level
    (if (not not-iterated) ;; i.e. iterated
	(let ((iterated-parent  (pathname-directory (conc lnkpath "/" item-path))))
	  (debug:print-info 2 "Creating iterated parent " iterated-parent)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " iterated-parent ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory iterated-parent #t))))

    (if (symbolic-link? lnkpath) 
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to remove symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (delete-file lnkpath)))

    (if (not (or (file-exists? lnkpath)
		 (symbolic-link? lnkpath)))
	(handle-exceptions
	 exn
	 (begin
	   (debug:print 0 "ERROR:  Failed to create symlink " lnkpath ((condition-property-accessor 'exn 'message) exn) ", exiting")
	   (exit 1))
	 (create-symbolic-link toptest-path lnkpath)))
    
    ;; NB - This was not working right - some top tests are not getting the path set!!!
    ;;
    ;; Do the setting of this record after the paths are created so that the shortdir can 
    ;; be set to the real directory location. This is safer for future clean up if the link
    ;; tree is damaged or lost.
    ;; 
    (if (not (hash-table-ref/default *toptest-paths* testname #f))
	(let* ((testinfo       (rmt:get-test-info-by-id run-id test-id area-dat)) ;;  run-id testname item-path))
	       (curr-test-path (if testinfo ;; (filedb:get-path *fdb*
							     ;; (db:get-path dbstruct
				   ;; (rmt:sdb-qry 'getstr 
				   (db:test-get-rundir testinfo) ;; ) ;; )
				   #f)))
	  (hash-table-set! *toptest-paths* testname curr-test-path)
	  ;; NB// Was this for the test or for the parent in an iterated test?
	  (rmt:general-call 'test-set-rundir-shortdir run-id lnkpath 
			    (if (file-exists? lnkpath)
				(resolve-pathname lnkpath)
				lnkpath)
			    testname "" area-dat)
	  ;; (rmt:general-call 'test-set-rundir run-id lnkpath testname "") ;; toptest-path)
	  (if (or (not curr-test-path)
		  (not (directory-exists? toptest-path)))
	      (begin
		(debug:print-info 2 "Creating " toptest-path " and link " lnkpath)
		(handle-exceptions
		 exn
		 #f ;; don't care to catch and deal with errors here for now.
		 (create-directory toptest-path #t))
		(hash-table-set! *toptest-paths* testname toptest-path)))))

    ;; The toptest path has been created, the link to the test in the linktree has
    ;; been created. Now, if this is an iterated test the real test dir must be created
    (if (not not-iterated) ;; this is an iterated test
	(begin ;; (let ((lnktarget (conc lnkpath "/" item-path)))
	  (debug:print 2 "Setting up sub test run area")
	  (debug:print 2 " - creating run area in " test-path)
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to create directory " test-path ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit 1))
	   (create-directory test-path #t))
	  (debug:print 2 
		       " - creating link from: " test-path "\n"
		       "                   to: " lnktarget)

	  ;; If there is already a symlink delete it and recreate it.
	  (handle-exceptions
	   exn
	   (begin
	     (debug:print 0 "ERROR:  Failed to re-create link " lnktarget ((condition-property-accessor 'exn 'message) exn) ", exiting")
	     (exit))
	   (if (symbolic-link? lnktarget)     (delete-file lnktarget))
	   (if (not (file-exists? lnktarget)) (create-symbolic-link test-path lnktarget)))))

    (if (not (directory? test-path))
	(create-directory test-path #t)) ;; this is a hack, I don't know why out of the blue this path does not exist sometimes

    (if (and test-src-path (directory? test-path))
	(begin
	  (let* ((ovrcmd (let ((cmd (config-lookup configdat "setup" "testcopycmd")))
			   (if cmd
			       ;; substitute the TEST_SRC_PATH and TEST_TARG_PATH
			       (string-substitute "TEST_TARG_PATH" test-path
						  (string-substitute "TEST_SRC_PATH" test-src-path cmd #t) #t)
			       #f)))
		 (cmd    (if ovrcmd 
			     ovrcmd
			     (conc "rsync -av" (if (debug:debug-mode 1) "" "q") " " test-src-path "/ " test-path "/"
				   " >> " test-path "/mt_launch.log 2>> " test-path "/mt_launch.log")))
		 (status (system cmd)))
	    (if (not (eq? status 0))
		(debug:print 2 "ERROR: problem with running \"" cmd "\"")))
	  (list lnkpathf lnkpath ))
	(if (and test-src-path (> remtries 0))
	    (begin
	      (debug:print 0 "ERROR: Failed to create work area at " test-path " with link at " lnktarget ", remaining attempts " remtries)
	      ;; 
	      (create-work-area run-id run-info keyvals test-id test-src-path disk-path testname itemdat remtries: (- remtries 1)))
	    (list #f #f)))))

;; 1. look though disks list for disk with most space
;; 2. create run dir on disk, path name is meaningful
;; 3. create link from run dir to megatest runs area 
;; 4. remotely run the test on allocated host
;;    - could be ssh to host from hosts table (update regularly with load)
;;    - could be netbatch
;;      (launch-test db (cadr status) test-conf))
(define (launch-test test-id run-id run-info keyvals runname test-conf test-name test-path itemdat params area-dat)
  (let ((toppath   (megatest:area-path      area-dat))
	(configdat (megatest:area-configdat area-dat)))
  (change-directory toppath)
  (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
   (list ;; (list "MT_TEST_RUN_DIR" work-area)
    (list "MT_RUN_AREA_HOME" toppath)
    (list "MT_TEST_NAME" test-name)
    ;; (list "MT_ITEM_INFO" (conc itemdat)) 
    (list "MT_RUNNAME"   runname)
    ;; (list "MT_TARGET"    mt_target)
    ))
  (let* ((useshell        (let ((ush (config-lookup configdat "jobtools"     "useshell")))
			    (if ush 
				(if (equal? ush "no") ;; must use "no" to NOT use shell
				    #f
				    ush)
				#t)))     ;; default is yes
	 (launcher        (config-lookup configdat "jobtools"     "launcher"))
	 (runscript       (config-lookup test-conf   "setup"        "runscript"))
	 (ezsteps         (> (length (hash-table-ref/default test-conf "ezsteps" '())) 0)) ;; don't send all the steps, could be big
	 (diskspace       (config-lookup test-conf   "requirements" "diskspace"))
	 (memory          (config-lookup test-conf   "requirements" "memory"))
	 (hosts           (config-lookup configdat "jobtools"     "workhosts"))
	 (remote-megatest (config-lookup configdat "setup" "executable"))
	 (run-time-limit  (or (configf:lookup  test-conf   "requirements" "runtimelim")
			      (configf:lookup  configdat "setup" "runtimelim")))
	 ;; FIXME SOMEDAY: not good how this is so obtuse, this hack is to 
	 ;;                allow running from dashboard. Extract the path
	 ;;                from the called megatest and convert dashboard
	 ;;             	  or dboard to megatest
	 (local-megatest  (let* ((lm  (car (argv)))
				 (dir (pathname-directory lm))
				 (exe (pathname-strip-directory lm)))
			    (conc (if dir (conc dir "/") "")
				  (case (string->symbol exe)
				    ((dboard)    "../megatest")
				    ((mtest)     "../megatest")
				    ((dashboard) "megatest")
				    (else exe)))))
	 (item-path  (item-list->path itemdat))
	 (test-sig   (conc test-name ":" item-path)) ;; (item-list->path itemdat))) ;; test-path is the full path including the item-path
	 (work-area  #f)
	 (toptest-work-area #f) ;; for iterated tests the top test contains data relevant for all
	 (diskpath   #f)
	 (cmdparms   #f)
	 (fullcmd    #f) ;; (define a (with-output-to-string (lambda ()(write x))))
	 (mt-bindir-path #f)
	 (testinfo   (rmt:get-test-info-by-id run-id test-id area-dat))
	 (mt_target  (string-intersperse (map cadr keyvals) "/"))
	 (debug-param (append (if (args:get-arg "-debug")  (list "-debug" (args:get-arg "-debug")) '())
			      (if (args:get-arg "-logging")(list "-logging") '()))))
    (setenv "MT_ITEMPATH" item-path)
    (if hosts (set! hosts (string-split hosts)))
    ;; set the megatest to be called on the remote host
    (if (not remote-megatest)(set! remote-megatest local-megatest)) ;; "megatest"))
    (set! mt-bindir-path (pathname-directory remote-megatest))
    (if launcher (set! launcher (string-split launcher)))
    ;; set up the run work area for this test
    (if (and (args:get-arg "-preclean") ;; user has requested to preclean for this run
	     (not (member (db:test-get-rundir testinfo)(list "n/a" "/tmp/badname")))) ;; n/a is a placeholder and thus not a read dir
	(begin
	  (debug:print-info 0 "attempting to preclean directory " (db:test-get-rundir testinfo) " for test " test-name "/" item-path)
	  (runs:remove-test-directory testinfo 'remove-data-only))) ;; remove data only, do not perturb the record
    
    ;; prevent overlapping actions - set to LAUNCHED as early as possible
    ;;
    (tests:test-set-status! run-id test-id "LAUNCHED" "n/a" #f #f) ;; (if launch-results launch-results "FAILED"))
    (rmt:roll-up-pass-fail-counts run-id test-name item-path "LAUNCHED" area-dat)
    (set! diskpath (get-best-disk configdat))
    (if diskpath
	(let ((dat  (create-work-area run-id run-info keyvals test-id test-path diskpath test-name itemdat)))
	  (set! work-area (car dat))
	  (set! toptest-work-area (cadr dat))
	  (debug:print-info 2 "Using work area " work-area))
	(begin
	  (set! work-area (conc test-path "/tmp_run"))
	  (create-directory work-area #t)
	  (debug:print 0 "WARNING: No disk work area specified - running in the test directory under tmp_run")))
    (set! cmdparms (base64:base64-encode 
		    (z3:encode-buffer 
		     (with-output-to-string
		       (lambda () ;; (list 'hosts     hosts)
			 (write (list (list 'testpath  test-path)
				      (list 'transport (conc (megatest:area-transport area-dat))) ;;
				      ;; (list 'serverinf *server-info*)
				      (list 'toppath   toppath)
				      (list 'work-area work-area)
				      (list 'test-name test-name) 
				      (list 'runscript runscript) 
				      (list 'run-id    run-id   )
				      (list 'test-id   test-id  )
				      ;; (list 'item-path item-path )
				      (list 'itemdat   itemdat  )
				      (list 'megatest  remote-megatest)
				      (list 'ezsteps   ezsteps) 
				      (list 'target    mt_target)
				      (list 'runtlim   (if run-time-limit (common:hms-string->seconds run-time-limit) #f))
				      (list 'env-ovrd  (hash-table-ref/default configdat "env-override" '())) 
				      (list 'set-vars  (if params (hash-table-ref/default params "-setvars" #f)))
				      (list 'runname   runname)
				      (list 'mt-bindir-path mt-bindir-path))))))))

    ;; clean out step records from previous run if they exist
    ;; (rmt:delete-test-step-records run-id test-id)
    (change-directory work-area) ;; so that log files from the launch process don't clutter the test dir
    (cond
     ((and launcher hosts) ;; must be using ssh hostname
      (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (car hosts)(list remote-megatest test-sig "-execute" cmdparms))))
     (launcher
      (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms) debug-param)))
     ;; (set! fullcmd (append launcher (list remote-megatest test-sig "-execute" cmdparms))))
     (else
      (if (not useshell)(debug:print 0 "WARNING: internal launching will not work well without \"useshell yes\" in your [jobtools] section"))
      (set! fullcmd (append (list remote-megatest test-sig "-execute" cmdparms) debug-param (list (if useshell "&" ""))))))
    ;; (set! fullcmd (list remote-megatest test-sig "-execute" cmdparms (if useshell "&" "")))))
    (if (args:get-arg "-xterm")(set! fullcmd (append fullcmd (list "-xterm"))))
    (debug:print 1 "Launching " work-area)
    ;; set pre-launch-env-vars before launching, keep the vars in prevvals and put the envionment back when done
    (debug:print 4 "fullcmd: " fullcmd)
    (let* ((commonprevvals (alist->env-vars
			    (hash-table-ref/default configdat "env-override" '())))
	   (testprevvals   (alist->env-vars
			    (hash-table-ref/default test-conf "pre-launch-env-overrides" '())))
	   (miscprevvals   (alist->env-vars ;; consolidate this code with the code in megatest.scm for "-execute"
			    (append (list (list "MT_TEST_RUN_DIR" work-area)
					  (list "MT_TEST_NAME" test-name)
					  (list "MT_ITEM_INFO" (conc itemdat)) 
					  (list "MT_RUNNAME"   runname)
					  (list "MT_TARGET"    mt_target)
					  (list "MT_ITEMPATH"  item-path)
					  )
				    itemdat)))
	   ;; Launchwait defaults to true, must override it to turn off wait
	   (launchwait     (if (equal? (configf:lookup configdat "setup" "launchwait") "no") #f #t))
	   (launch-results (apply (if launchwait
				      cmd-run-with-stderr->list
				      process-run)
				  (if useshell
				      (let ((cmdstr (string-intersperse fullcmd " ")))
					(if launchwait
					    cmdstr
					    (conc cmdstr " >> mt_launch.log 2>&1")))
				      (car fullcmd))
				  (if useshell
				      '()
				      (cdr fullcmd)))))
      (if (not launchwait) ;; give the OS a little time to allow the process to start
	  (thread-sleep! 0.01))
      (with-output-to-file "mt_launch.log"
	(lambda ()
	  (if (list? launch-results)
	      (apply print launch-results)
	      (print "NOTE: launched \"" fullcmd "\"\n  but did not wait for it to proceed. Add the following to megatest.config \n[setup]\nlaunchwait yes\n  if you have problems with this"))
	  #:append))
      (debug:print 2 "Launching completed, updating db")
      (debug:print 2 "Launch results: " launch-results)
      (if (not launch-results)
          (begin
            (print "ERROR: Failed to run " (string-intersperse fullcmd " ") ", exiting now")
            ;; (sqlite3:finalize! db)
            ;; good ole "exit" seems not to work
            ;; (_exit 9)
            ;; but this hack will work! Thanks go to Alan Post of the Chicken email list
            ;; NB// Is this still needed? Should be safe to go back to "exit" now?
            (process-signal (current-process-id) signal/kill)
            ))
      (alist->env-vars miscprevvals)
      (alist->env-vars testprevvals)
      (alist->env-vars commonprevvals)
      launch-results))
  (change-directory toppath))
  ;; added paren below after refactoring above routine. must have missed something?
  )

(define megatest-fossil-hash "f207341131c2bfc09d36174b5a83e4963e93148a")

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1,1101 ... 1.99,2.00..

(declare (unit megatest-version))

(define megatest-version 1.6009)

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1,1101 ... 1.99,2.00..

(declare (unit megatest-version))

(define megatest-version 1.6013)

;; Always use two or four digit decimal
;; 1.01, 1.02...1.10,1.11,1,1101 ... 1.99,2.00..

(declare (unit megatest-version))

(define megatest-version 1.6014)

(use-legacy-bindings)
(define (toplevel-command . a) #f)

;; Copyright 2006-2012, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format)
(import (prefix sqlite3 sqlite3:))

(declare (unit tasks))
(declare (uses db))
(declare (uses rmt))
(declare (uses common))

(include "task_records.scm")

;;======================================================================
;; Tasks db
;;======================================================================

;; wait up to aprox n seconds for a journal to go away
;;
(define (tasks:wait-on-journal path n #!key (remove #f)(waiting-msg #f))
  (if (not (string? path))
      (debug:print 0 "ERROR: Called tasks:wait-on-journal with path=" path " (not a string)")
      (let ((fullpath (conc path "-journal")))
	(handle-exceptions
	 exn
	 (begin
	   (print-call-chain (current-error-port))
	   (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
	   (debug:print 0 " exn=" (condition->list exn))
	   (debug:print 0 "tasks:wait-on-journal failed. Continuing on, you can ignore this call-chain")
	   #t) ;; if stuff goes wrong just allow it to move on
	 (let loop ((journal-exists (file-exists? fullpath))
		    (count          n)) ;; wait ten times ...
	   (if journal-exists
	       (begin
		 (if (and waiting-msg
			  (eq? (modulo n 30) 0))
		     (debug:print 0 waiting-msg))
		 (if (> count 0)
		     (begin
		       (thread-sleep! 1)
		       (loop (file-exists? fullpath)
			     (- count 1)))
		     (begin
		       (if remove (system (conc "rm -rf " fullpath)))
		       #f)))
	       #t))))))

(define (tasks:get-task-db-path)
  (let* ((linktree     (configf:lookup *configdat* "setup" "linktree"))
	 (dbpath       (conc linktree "/.db")))
    dbpath))



;; If file exists AND
;;    file readable
;;         ==> open it
;; If file exists AND
;;    file NOT readable
;;         ==> open in-mem version
;; If file NOT exists
;;    ==> open in-mem version
;;
(define (tasks:open-db #!key (numretries 4))
  (if *task-db*
      *task-db*
      (handle-exceptions
       exn
       (if (> numretries 0)
	   (begin
	     (print-call-chain (current-error-port))
	     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
	     (debug:print 0 " exn=" (condition->list exn))
	     (thread-sleep! 1)
	     (tasks:open-db numretries (- numretries 1)))
	   (begin
	     (print-call-chain (current-error-port))
	     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
	     (debug:print 0 " exn=" (condition->list exn))))
       (let* ((dbpath       (tasks:get-task-db-path))
	      (dbfile       (conc dbpath "/monitor.db"))
	      (avail        (tasks:wait-on-journal dbpath 10)) ;; wait up to about 10 seconds for the journal to go away
	      (exists       (file-exists? dbpath))
	      (write-access (file-write-access? dbpath))
	      (mdb          (cond ;; what the hek is *toppath* doing here?
			     ((and (string? *toppath*)(file-write-access? *toppath*))
			      (sqlite3:open-database dbfile))
			     ((file-read-access? dbpath)    (sqlite3:open-database dbfile))
			     (else (sqlite3:open-database ":memory:")))) ;; (never-give-up-open-db dbpath))
	      (handler      (make-busy-timeout 36000)))
	 (if (and exists
		  (not write-access))
	     (set! *db-write-access* write-access)) ;; only unset so other db's also can use this control
	 (sqlite3:set-busy-handler! mdb handler)
	 (db:set-sync mdb) ;; (sqlite3:execute mdb (conc "PRAGMA synchronous = 0;"))
	 ;;  (if (or (and (not exists)
	 ;; 	      (file-write-access? *toppath*))
	 ;; 	 (not (file-read-access? dbpath)))
	 ;;      (begin
	 ;; 
	 ;; TASKS QUEUE MOVED TO main.db
	 ;;
	 ;; (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS tasks_queue (id INTEGER PRIMARY KEY,
         ;;                        action TEXT DEFAULT '',
         ;;                        owner TEXT,
         ;;                        state TEXT DEFAULT 'new',
         ;;                        target TEXT DEFAULT '',
         ;;                        name TEXT DEFAULT '',
         ;;                        testpatt TEXT DEFAULT '',
         ;;                        keylock TEXT,
         ;;                        params TEXT,
         ;;                        creation_time TIMESTAMP,
         ;;                        execution_time TIMESTAMP);")
	 (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS monitors (id INTEGER PRIMARY KEY,
                                pid INTEGER,
                                start_time TIMESTAMP,
                                last_update TIMESTAMP,
                                hostname TEXT,
                                username TEXT,
                               CONSTRAINT monitors_constraint UNIQUE (pid,hostname));")
	 (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS servers (id INTEGER PRIMARY KEY,
                                  pid INTEGER,
                                  interface TEXT,
                                  hostname TEXT,
                                  port INTEGER,
                                  pubport INTEGER,
                                  start_time TIMESTAMP,
                                  priority INTEGER,
                                  state TEXT,
                                  mt_version TEXT,
                                  heartbeat TIMESTAMP,
                                  transport TEXT,
                                  run_id INTEGER);")
	 ;;                               CONSTRAINT servers_constraint UNIQUE (pid,hostname,port));")
	 (sqlite3:execute mdb "CREATE TABLE IF NOT EXISTS clients (id INTEGER PRIMARY KEY,
                                  server_id INTEGER,
                                  pid INTEGER,
                                  hostname TEXT,
                                  cmdline TEXT,
                                  login_time TIMESTAMP,
                                  logout_time TIMESTAMP DEFAULT -1,
                                CONSTRAINT clients_constraint UNIQUE (pid,hostname));")
	       
	       ;))
	 (set! *task-db* (cons mdb dbpath))
	 *task-db*))))

;;======================================================================
;; Server and client management
;;======================================================================

;; make-vector-record tasks hostinfo id interface port pubport transport pid hostname
(define (tasks:hostinfo-get-id          vec)    (vector-ref  vec 0))
(define (tasks:hostinfo-get-interface   vec)    (vector-ref  vec 1))
(define (tasks:hostinfo-get-port        vec)    (vector-ref  vec 2))
(define (tasks:hostinfo-get-pubport     vec)    (vector-ref  vec 3))
(define (tasks:hostinfo-get-transport   vec)    (vector-ref  vec 4))
(define (tasks:hostinfo-get-pid         vec)    (vector-ref  vec 5))
(define (tasks:hostinfo-get-hostname    vec)    (vector-ref  vec 6))

(define (tasks:server-lock-slot mdb run-id)
  (tasks:server-clean-out-old-records-for-run-id mdb run-id " tasks:server-lock-slot")
  (if (< (tasks:num-in-available-state mdb run-id) 4)
      (begin 
	(tasks:server-set-available mdb run-id)
	;; (thread-sleep! 2) ;; Try removing this. It may not be needed.
	(tasks:server-am-i-the-server? mdb run-id))
      #f))
	
;; register that this server may come online (first to register goes though with the process)
(define (tasks:server-set-available mdb run-id)
  (sqlite3:execute 
   mdb 
   "INSERT INTO servers (pid,hostname,port,pubport,start_time,      priority,state,mt_version,heartbeat,   interface,transport,run_id)
                   VALUES(?, ?,       ?,   ?, strftime('%s','now'), ?,       ?,    ?,-1,?,        ?,        ?);"
   (current-process-id)       ;; pid
   (get-host-name)            ;; hostname
   -1                         ;; port
   -1                         ;; pubport
   (random 1000)              ;; priority (used a tiebreaker on get-available)
   "available"                ;; state
   (common:version-signature) ;; mt_version
   -1                         ;; interface
   "http"                     ;; transport
   run-id
   ))

(define (tasks:num-in-available-state mdb run-id)
  (let ((res 0))
    (sqlite3:for-each-row
     (lambda (num-in-queue)
       (set! res num-in-queue))
     mdb
     "SELECT count(id) FROM servers WHERE run_id=? AND state = 'available' AND (strftime('%s','now') - start_time) < 30 ;"
     run-id)
    res))

(define (tasks:num-servers-non-zero-running mdb)
  (let ((res 0))
    (sqlite3:for-each-row
     (lambda (num-running)
       (set! res num-running))
     mdb
     "SELECT count(id) FROM servers WHERE run_id != 0 AND state = 'running';")
    res))

(define (tasks:server-clean-out-old-records-for-run-id mdb run-id tag)
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE state in ('available','dbprep','shutting-down') AND (strftime('%s','now') - start_time) > 50 AND run_id=?;"
		   (conc "defunct" tag) run-id))

(define (tasks:server-force-clean-running-records-for-run-id mdb run-id tag)
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE state = 'running' AND run_id=?;"
		   (conc "defunct" tag) run-id))

(define (tasks:server-force-clean-run-record mdb run-id iface port tag)
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE state = 'running' AND run_id=? AND interface=? AND port=?;"
		   (conc "defunct" tag) run-id iface port))

(define (tasks:server-delete-records-for-this-pid mdb tag)
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE hostname=? AND pid=?;"
		   (conc "defunct" tag) (get-host-name) (current-process-id)))

(define (tasks:server-delete-record mdb server-id tag) 
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;"
		   (conc "defunct" tag) server-id)
  ;; use this opportuntity to clean out records over one month old or over 10 minutes old with port = -1 (i.e. a never used placeholder)
  (sqlite3:execute mdb "DELETE FROM servers WHERE state not in ('running','shutting-down','dbprep') AND (strftime('%s','now') - start_time) > 2628000;")
  (sqlite3:execute mdb "DELETE FROM servers WHERE state like 'defunct%' AND port=-1 AND (strftime('%s','now') - start_time) > 600;")
  )

(define (tasks:server-set-state! mdb server-id state)
  (sqlite3:execute mdb "UPDATE servers SET state=?,heartbeat=strftime('%s','now') WHERE id=?;" state server-id))

(define (tasks:server-set-interface-port mdb server-id interface port)
  (sqlite3:execute mdb "UPDATE servers SET interface=?,port=?,heartbeat=strftime('%s','now') WHERE id=?;" interface port server-id))

;; Get random port not used in long time
;;
(define (tasks:server-get-next-port mdb)
  (let* ((lownum        30000)
	(highnum        64000)
	(used-ports     '())
	(get-rand-port  (lambda ()
			  (+ lownum (random (- highnum lownum)))))
	(port-param     (if (and (args:get-arg "-port")
				 (string->number (args:get-arg "-port")))
			    (string->number (args:get-arg "-port"))
			    #f))
	;; (config-port    (if (and (config-lookup  *configdat* "server" "port")
	;; 			 (string->number (config-lookup  *configdat* "server" "port")))
	;; 		    (string->number (config-lookup  *configdat* "server" "port"))
	;; 		    #f))
	)
    (sqlite3:for-each-row
     (lambda (port)
       (set! used-ports (cons port used-ports)))
     mdb
     "SELECT port FROM servers;")
    (cond
     ((and port-param res)   (if (> res port-param) res port-param))
     (port-param             port-param)
     ;; ((and config-port res)  (if (> res config-port) res config-port))
     ;; (config-port            config-port)
     (else
      (let loop ((port     (get-rand-port))
		 (remtries 100))
	(if (member port used-ports)
	    (if (> remtries 0)
		(loop (get-rand-port)(- remtries 1))
		(get-rand-port))
	    port))))))

(define (tasks:server-am-i-the-server? mdb run-id)
  (let* ((all    (tasks:server-get-servers-vying-for-run-id mdb run-id))
	 (first  (if (null? all)
		     (begin (debug:print 0 "ERROR: no servers listed, should be at least one by now.") 
			    (sqlite3:finalize! mdb)
			    (exit 1))
		     (car (db:get-rows all))))
	 (header   (db:get-header all))
	 (id       (db:get-value-by-header first header "id"))
	 (hostname (db:get-value-by-header first header "hostname"))
	 (pid      (db:get-value-by-header first header "pid"))
	 (priority (db:get-value-by-header first header "priority")))
    (debug:print 0 "INFO: am-i-the-server got record " first)
    ;; for now a basic check. add tiebreaking by priority later
    (if (and (equal? hostname (get-host-name))
	     (equal? pid      (current-process-id)))
	id
	#f)))
	     
;; Use: (db:get-value-by-header (car (db:get-rows dat)) (db:get-header dat) "fieldname")
;;  to extract info from the structure returned
;;
(define (tasks:server-get-servers-vying-for-run-id mdb run-id)
   (let* ((header (list "id" "hostname" "pid" "interface" "port" "pubport" "state" "run_id" "priority" "start_time"))
	  (selstr (string-intersperse header ","))
	  (res    '()))
    (sqlite3:for-each-row
     (lambda (a . b)
       (set! res (cons (apply vector a b) res)))
     mdb
     (conc "SELECT " selstr " FROM servers WHERE run_id=? AND state in ('available','running','dbprep') ORDER BY start_time DESC;")
     run-id)
    (vector header res)))

(define (tasks:get-server mdb run-id #!key (retries 10))
  (let ((res  #f)
	(best #f))
    (handle-exceptions
     exn
     (begin
       (print-call-chain (current-error-port))
       (debug:print 0 "WARNING: tasks:get-server db access error.")
       (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
       (debug:print 0 " for run " run-id)
       (print-call-chain (current-error-port))
       (if (> retries 0)
	   (begin
	     (debug:print 0 " trying call to tasks:get-server again in 10 seconds")
	     (thread-sleep! 10)
	     (tasks:get-server mdb run-id retries: (- retries 0)))
	   (debug:print 0 "10 tries of tasks:get-server all crashed and burned. Giving up and returning \"no server found\"")))
     (sqlite3:for-each-row
      (lambda (id interface port pubport transport pid hostname)
	(set! res (vector id interface port pubport transport pid hostname)))
      mdb
      ;; removed:
      ;; strftime('%s','now')-heartbeat < 10 AND mt_version = ?
      "SELECT id,interface,port,pubport,transport,pid,hostname FROM servers
          WHERE run_id=? AND state='running'
          ORDER BY start_time DESC LIMIT 1;" run-id) ;; (common:version-signature) run-id)
     res)))

(define (tasks:server-running-or-starting? mdb run-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     mdb ;; NEEDS dbprep ADDED
     "SELECT id FROM servers WHERE run_id=? AND (state = 'running' OR (state = 'dbprep' AND  (strftime('%s','now') - start_time) < 60));" run-id)
    res))

(define (tasks:server-running? mdb run-id)
  (let ((res #f))
    (sqlite3:for-each-row
     (lambda (id)
       (set! res id))
     mdb ;; NEEDS dbprep ADDED
     "SELECT id FROM servers WHERE run_id=? AND state = 'running';" run-id)
    res))

(define (tasks:need-server run-id)
  (let ((forced (configf:lookup *configdat* "server" "required"))
	(maxqry (cdr (rmt:get-max-query-average run-id)))
	(threshold   (string->number (or (configf:lookup *configdat* "server" "server-query-threshold") "10"))))
    (cond
     (forced 
      (if (common:low-noise-print 60 run-id "server required is set")
	  (debug:print-info 0 "Server required is set, starting server."))
      #t)
     ((> maxqry threshold)
      (if (common:low-noise-print 60 run-id "Max query time execeeded")
	  (debug:print-info 0 "Max avg query time of " maxqry "ms exceeds limit of " threshold "ms, starting server."))
      #t)
     (else
      #f))))

;; try to start a server and wait for it to be available
;;
(define (tasks:start-and-wait-for-server tdbdat run-id delay-max-tries)
  ;; ensure a server is running for this run
  (let loop ((server-dat (tasks:get-server (db:delay-if-busy tdbdat) run-id))
	     (delay-time 0))
      (if (and (not server-dat)
	       (< delay-time delay-max-tries))
	  (begin
	    (if (common:low-noise-print 60 "tasks:start-and-wait-for-server" run-id)
		(debug:print 0 "Try starting server for run-id " run-id))
	    (server:kind-run run-id)
	    (thread-sleep! (min delay-time 5))
	    (loop (tasks:get-server (db:delay-if-busy tdbdat) run-id)(+ delay-time 1))))))

(define (tasks:get-all-servers mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id)
       ;;                       0  1     2         3      4     5          6        7     8          9          10        11     12
       (set! res (cons (vector id pid hostname interface port pubport start-time priority state mt-version last-update transport run-id) res)))
     mdb
     "SELECT id,pid,hostname,interface,port,pubport,start_time,priority,state,mt_version,strftime('%s','now')-heartbeat AS last_update,transport,run_id FROM servers WHERE state NOT LIKE 'defunct%' ORDER BY start_time DESC;")
    res))

;; no elegance here ...
;;
(define (tasks:kill-server hostname pid)
  (debug:print-info 0 "Attempting to kill server process " pid " on host " hostname)
  (setenv "TARGETHOST" hostname)
  (setenv "TARGETHOST_LOGF" "server-kills.log")
  (system (conc "nbfake kill " pid))
  (unsetenv "TARGETHOST_LOGF")
  (unsetenv "TARGETHOST"))
 
;; look up a server by run-id and send it a kill, also delete the record for that server
;;
(define (tasks:kill-server-run-id run-id #!key (tag "default"))
  (let* ((tdbdat  (tasks:open-db))
	 (sdat    (tasks:get-server (db:delay-if-busy tdbdat) run-id)))
    (if sdat
	(let ((hostname (vector-ref sdat 6))
	      (pid      (vector-ref sdat 5))
	      (server-id (vector-ref sdat 0)))
	  (tasks:server-set-state! (db:delay-if-busy tdbdat) server-id "killed")
	  (debug:print-info 0 "Killing server " server-id " for run-id " run-id " on host " hostname " with pid " pid)
	  (tasks:kill-server hostname pid)
	  (tasks:server-delete-record (db:delay-if-busy tdbdat) server-id tag) )
	(debug:print-info 0 "No server found for run-id " run-id ", nothing to kill"))
    ;; (sqlite3:finalize! tdb)
    ))
    
;;======================================================================
;; M O N I T O R S
;;======================================================================

(define (tasks:remove-monitor-record mdb)
  (sqlite3:execute mdb "DELETE FROM monitors WHERE pid=? AND hostname=?;"
		   (current-process-id)
		   (get-host-name)))

(define (tasks:get-monitors mdb)
  (let ((res '()))
    (sqlite3:for-each-row
     (lambda (a . rem)
       (set! res (cons (apply vector a rem) res)))
     mdb
     "SELECT id,pid,strftime('%m/%d/%Y %H:%M',datetime(start_time,'unixepoch'),'localtime'),strftime('%m/%d/%Y %H:%M:%S',datetime(last_update,'unixepoch'),'localtime'),hostname,username FROM monitors ORDER BY last_update ASC;")
    (reverse res)
    ))

(define (tasks:monitors->text-table monitors)
  (let ((fmtstr "~4a~8a~20a~20a~10a~10a"))
    (conc (format #f fmtstr "id" "pid" "start time" "last update" "hostname" "user") "\n"
	  (string-intersperse 
	   (map (lambda (monitor)
		  (format #f fmtstr
			  (tasks:monitor-get-id          monitor)
			  (tasks:monitor-get-pid         monitor)
			  (tasks:monitor-get-start_time  monitor)
			  (tasks:monitor-get-last_update monitor)
			  (tasks:monitor-get-hostname    monitor)
			  (tasks:monitor-get-username    monitor)))
		monitors)
	   "\n"))))
   
;; update the last_update field with the current time and
;; if any monitors appear dead, remove them
(define (tasks:monitors-update mdb)
  (sqlite3:execute mdb "UPDATE monitors SET last_update=strftime('%s','now') WHERE pid=? AND hostname=?;"
			  (current-process-id)
			  (get-host-name))
  (let ((deadlist '()))
    (sqlite3:for-each-row
     (lambda (id pid host last-update delta)
       (print "Going to delete stale record for monitor with pid " pid " on host " host " last updated " delta " seconds ago")
       (set! deadlist (cons id deadlist)))
     mdb 
     "SELECT id,pid,hostname,last_update,strftime('%s','now')-last_update AS delta FROM monitors WHERE delta > 700;")
    (sqlite3:execute mdb (conc "DELETE FROM monitors WHERE id IN ('" (string-intersperse (map conc deadlist) "','") "');")))
  )
(define (tasks:register-monitor db mdb)
  (let* ((pid (current-process-id))
	 (hostname (get-host-name))
	 (userinfo (user-information (current-user-id)))
	 (username (car userinfo)))
    (print "Register monitor, pid: " pid ", hostname: " hostname ", username: " username)
    (sqlite3:execute mdb "INSERT INTO monitors (pid,start_time,last_update,hostname,username) VALUES (?,strftime('%s','now'),strftime('%s','now'),?,?);"
		     pid hostname username)))

(define (tasks:get-num-alive-monitors mdb)
  (let ((res 0))
    (sqlite3:for-each-row 
     (lambda (count)
       (set! res count))
     mdb
     "SELECT count(id) FROM monitors WHERE last_update < (strftime('%s','now') - 300) AND username=?;"
     (car (user-information (current-user-id))))
    res))

;; 
(define (tasks:start-monitor db mdb)
  (if (> (tasks:get-num-alive-monitors mdb) 2) ;; have two running, no need for more
      (debug:print-info 1 "Not starting monitor, already have more than two running")
      (let* ((megatestdb     (conc *toppath* "/megatest.db"))
	     (monitordbf     (conc (configf:lookup *configdat* "setup" "linktree") "/.db/monitor.db"))
	     (last-db-update 0)) ;; (file-modification-time megatestdb)))
	(task:register-monitor mdb)
	(let loop ((count      0)
		   (next-touch 0)) ;; next-touch is the time where we need to update last_update
	  ;; if the db has been modified we'd best look at the task queue
	  (let ((modtime (file-modification-time megatestdbpath )))
	    (if (> modtime last-db-update)
		(tasks:process-queue db mdb last-db-update megatestdb next-touch))
	    ;; WARNING: Possible race conditon here!!
	    ;; should this update be immediately after the task-get-action call above?
	    (if (> (current-seconds) next-touch)
		(begin
		  (tasks:monitors-update mdb)
		  (loop (+ count 1)(+ (current-seconds) 240)))
		(loop (+ count 1) next-touch)))))))
      
;;======================================================================
;; T A S K S   Q U E U E
;;
;;   NOTE:: These operate on task_queue which is in main.db
;;
;;======================================================================

;; NOTE: It might be good to add one more layer of checking to ensure
;;       that no task gets run in parallel.



;; register a task
(define (tasks:add dbstruct action owner target runname testpatt params)
  (db:with-db 
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db "INSERT INTO tasks_queue (action,owner,state,target,name,testpatt,params,creation_time,execution_time)
                             VALUES (?,?,'new',?,?,?,?,strftime('%s','now'),0);" 
		      action
		      owner
		      target
		      runname
		      testpatt
		      (if params params "")))))

(define (keys:key-vals-hash->target keys key-params)
  (let ((tmp (hash-table-ref/default key-params (vector-ref (car keys) 0) "")))
    (if (> (length keys) 1)
	(for-each (lambda (key)
		    (set! tmp (conc tmp "/" (hash-table-ref/default key-params (vector-ref key 0) ""))))
		  (cdr keys)))
    tmp))
								
;; for use from the gui, not ported
;;
;; (define (tasks:add-from-params mdb action keys key-params var-params)
;;   (let ((target    (keys:key-vals-hash->target keys key-params))
;; 	(owner     (car (user-information (current-user-id))))
;; 	(runname   (hash-table-ref/default var-params "runname" #f))
;; 	(testpatts (hash-table-ref/default var-params "testpatts" "%"))
;; 	(params    (hash-table-ref/default var-params "params"    "")))
;;     (tasks:add mdb action owner target runname testpatts params)))

;; return one task from those who are 'new' OR 'waiting' AND more than 10sec old
;;
(define (tasks:snag-a-task dbstruct)
  (let ((res    #f)
	(keytxt (conc (current-process-id) "-" (get-host-name) "-" (car (user-information (current-user-id))))))
    (db:with-db
     dbstruct #f #t
     (lambda (db)
       ;; first randomly set a new to pid-hostname-hostname
       (sqlite3:execute
	db 
	"UPDATE tasks_queue SET keylock=? WHERE id IN
           (SELECT id FROM tasks_queue 
              WHERE state='new' OR 
                    (state='waiting' AND (strftime('%s','now')-execution_time) > 10) OR
                    state='reset'
              ORDER BY RANDOM() LIMIT 1);" keytxt)

       (sqlite3:for-each-row
	(lambda (id . rem)
	  (set! res (apply vector id rem)))
	db
	"SELECT id,action,owner,state,target,name,test,item,params,creation_time,execution_time FROM tasks_queue WHERE keylock=? ORDER BY execution_time ASC LIMIT 1;" keytxt)
       (if res ;; yep, have work to be done
	   (begin
	     (sqlite3:execute db "UPDATE tasks_queue SET state='inprogress',execution_time=strftime('%s','now') WHERE id=?;"
			      (tasks:task-get-id res))
	     res)
	   #f)))))

(define (tasks:reset-stuck-tasks dbstruct)
  (let ((res '()))
    (db:with-db
     dbstruct #f #t
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (id delta)
	  (set! res (cons id res)))
	db
	"SELECT id,strftime('%s','now')-execution_time AS delta FROM tasks_queue WHERE state='inprogress' AND delta>700 ORDER BY delta DESC LIMIT 2;")
       (sqlite3:execute 
	db 
	(conc "UPDATE tasks_queue SET state='reset' WHERE id IN ('" (string-intersperse (map conc res) "','") "');")
	)))))

;; return all tasks in the tasks_queue table
;;
(define (tasks:get-tasks dbstruct types states)
  (let ((res '()))
    (db:with-db
     dbstruct #f #f
     (lambda (db)
       (sqlite3:for-each-row
	(lambda (id . rem)
	  (set! res (cons (apply vector id rem) res)))
	db
	(conc "SELECT id,action,owner,state,target,name,test,item,params,creation_time,execution_time 
                  FROM tasks_queue "
	      ;; WHERE  
	      ;;   state IN " statesstr " AND 
	      ;;   action IN " actionsstr 
	      " ORDER BY creation_time DESC;"))
       res))))

;; remove tasks given by a string of numbers comma separated
(define (tasks:remove-queue-entries dbstruct task-ids)
  (db:with-db
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db (conc "DELETE FROM tasks_queue WHERE id IN (" task-ids ");")))))

(define (tasks:process-queue dbstruct)
  (let* ((task   (tasks:snag-a-task dbstruct))
	 (action (if task (tasks:task-get-action task) #f)))
    (if action (print "tasks:process-queue task: " task))
    (if action
	(case (string->symbol action)
	  ((run)       (tasks:start-run     dbstruct task))
	  ((remove)    (tasks:remove-runs   dbstruct task))
	  ((lock)      (tasks:lock-runs     dbstruct task))
	  ;; ((monitor)   (tasks:start-monitor db task))
	  ((rollup)    (tasks:rollup-runs   dbstruct task))
	  ((updatemeta)(tasks:update-meta   dbstruct task))
	  ((kill)      (tasks:kill-monitors dbstruct task))))))

(define (tasks:tasks->text tasks)
  (let ((fmtstr "~10a~10a~10a~12a~20a~12a~12a~10a"))
    (conc (format #f fmtstr "id" "action" "owner" "state" "target" "runname" "testpatts" "params") "\n"
	  (string-intersperse 
	   (map (lambda (task)
		  (format #f fmtstr
			  (tasks:task-get-id     task)
			  (tasks:task-get-action task)
			  (tasks:task-get-owner  task)
			  (tasks:task-get-state  task)
			  (tasks:task-get-target task)
			  (tasks:task-get-name   task)
			  (tasks:task-get-test   task)
			  ;; (tasks:task-get-item   task)
			  (tasks:task-get-params task)))
		tasks) "\n"))))
   
(define (tasks:set-state dbstruct task-id state)
  (db:with-db 
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db "UPDATE tasks_queue SET state=? WHERE id=?;" 
		      state 
		      task-id))))

;;======================================================================
;; Access using task key (stored in params; (hash-table->alist flags) hostname pid
;;======================================================================

(define (tasks:param-key->id dbstruct task-params)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (handle-exceptions
      exn
      #f
      (sqlite3:first-result db "SELECT id FROM tasks_queue WHERE params LIKE ?;"
			    task-params)))))

(define (tasks:set-state-given-param-key dbstruct param-key new-state)
  (db:with-db
   dbstruct #f #t
   (lambda (db)
     (sqlite3:execute db "UPDATE tasks_queue SET state=? WHERE params LIKE ?;" new-state param-key))))

(define (tasks:get-records-given-param-key dbstruct param-key state-patt action-patt test-patt)
  (db:with-db
   dbstruct #f #f
   (lambda (db)
     (handle-exceptions
      exn
      '()
      (sqlite3:first-row db "SELECT id,action,owner,state,target,name,testpatt,keylock,params WHERE
                               params LIKE ? AND state LIKE ? AND action LIKE ? AND testpatt LIKE ?;"
			 param-key state-patt action-patt test-patt)))))


(define (tasks:find-task-queue-records dbstruct target run-name test-patt state-patt action-patt)
  ;; (handle-exceptions
  ;;  exn
  ;;  '()
  ;;  (sqlite3:first-row
  (let ((db (db:delay-if-busy (db:get-db dbstruct #f)))
	(res '()))
    (sqlite3:for-each-row
     (lambda (a . b)
       (set! res (cons (cons a b) res)))
     db "SELECT id,action,owner,state,target,name,testpatt,keylock,params FROM tasks_queue 
           WHERE
              target = ? AND name = ? AND state LIKE ? AND action LIKE ? AND testpatt LIKE ?;"
     target run-name state-patt action-patt test-patt)
    res)) ;; )

;; kill any runner processes (i.e. processes handling -runtests) that match target/runname
;; 
;; do a remote call to get the task queue info but do the killing as self here.
;;
(define (tasks:kill-runner target run-name)
  (let ((records    (rmt:tasks-find-task-queue-records target run-name "%" "running" "run-tests"))
	(hostpid-rx (regexp "\\s+(\\w+)\\s+(\\d+)$"))) ;; host pid is at end of param string
    (if (null? records)
	(debug:print 0 "No run launching processes found for " target " / " run-name)
	(debug:print 0 "Found " (length records) " run(s) to kill."))
    (for-each 
     (lambda (record)
       (let* ((param-key (list-ref record 8))
	      (match-dat (string-search hostpid-rx param-key)))
	 (if match-dat
	     (let ((hostname  (cadr match-dat))
		   (pid       (string->number (caddr match-dat))))
	       (debug:print 0 "Sending SIGINT to process " pid " on host " hostname)
	       (if (equal? (get-host-name) hostname)
		   (if (process:alive? pid)
		       (begin
			 (handle-exceptions
			  exn
			  (begin
			    (debug:print 0 "Kill of process " pid " on host " hostname " failed.")
			    (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
			    #t)
			  (process-signal pid signal/int)
			  (thread-sleep! 5)
			  (if (process:alive? pid)
			      (process-signal pid signal/kill)))))
		   ;;  (call-with-environment-variables
		   (let ((old-targethost (getenv "TARGETHOST")))
		     (setenv "TARGETHOST" hostname)
		     (setenv "TARGETHOST_LOGF" "server-kills.log")
		     (system (conc "nbfake kill " pid))
		     (if old-targethost (setenv "TARGETHOST" old-targethost))
		     (unsetenv "TARGETHOST")
		     (unsetenv "TARGETHOST_LOGF"))))
	     (debug:print 0 "ERROR: no record or improper record for " target "/" run-name " in tasks_queue in main.db"))))
     records)))

;; (define (tasks:start-run dbstruct mdb task)
;;   (let ((flags (make-hash-table)))
;;     (hash-table-set! flags "-rerun" "NOT_STARTED")
;;     (if (not (string=? (tasks:task-get-params task) ""))
;; 	(hash-table-set! flags "-setvars" (tasks:task-get-params task)))
;;     (print "Starting run " task)
;;     ;; sillyness, just call the damn routine with the task vector and be done with it. FIXME SOMEDAY
;;     (runs:run-tests db
;; 		    (tasks:task-get-target task)
;; 		    (tasks:task-get-name   task)
;; 		    (tasks:task-get-test   task)
;; 		    (tasks:task-get-item   task)
;; 		    (tasks:task-get-owner  task)
;; 		    flags)
;;     (tasks:set-state mdb (tasks:task-get-id task) "waiting")))
;; 
;; (define (tasks:rollup-runs db mdb task)
;;   (let* ((flags (make-hash-table)) 
;; 	 (keys  (db:get-keys db))
;; 	 (keyvals (keys:target-keyval keys (tasks:task-get-target task))))
;;     ;; (hash-table-set! flags "-rerun" "NOT_STARTED")
;;     (print "Starting rollup " task)
;;     ;; sillyness, just call the damn routine with the task vector and be done with it. FIXME SOMEDAY
;;     (runs:rollup-run db
;; 		     keys 
;; 		     keyvals
;; 		     (tasks:task-get-name  task)
;; 		     (tasks:task-get-owner  task))
;;     (tasks:set-state mdb (tasks:task-get-id task) "waiting")))

(use readline apropos)
(import readline)
(import apropos)
(gnu-history-install-file-manager
	     (string-append
	      (or (get-environment-variable "HOME") ".") "/.megatest_history"))
(current-input-port (make-gnu-readline-port "megatest> "))
;; (current-input-port (make-readline-port))
;; (install-history-file #f "/.csi.history")
(repl)

(use readline apropos)
(import readline)
(import apropos)
(import csi)
(current-input-port (make-readline-port))
(install-history-file #f "/.csi.history")
(repl)