Index: docs/Makefile
==================================================================
--- docs/Makefile
+++ docs/Makefile
@@ -33,5 +33,8 @@
 megatest.pdf : megatest.lyx
 	lyx -e pdf2 megatest.lyx
 
 pkts.pdf : pkts.dot
 	dot -Tpdf pkts.dot -o pkts.pdf
+
+stepwise.pdf : stepwise-rpc-via-direct-and-tcp-or-http.dot
+	dot stepwise-rpc-via-direct-and-tcp-or-http.dot -Tpdf -o stepwise.pdf

ADDED   docs/stepwise-rpc-via-direct-and-tcp-or-http.dot
Index: docs/stepwise-rpc-via-direct-and-tcp-or-http.dot
==================================================================
--- /dev/null
+++ docs/stepwise-rpc-via-direct-and-tcp-or-http.dot
@@ -0,0 +1,89 @@
+//  Copyright 2006-2017, Matthew Welland.
+// 
+// This file is part of Megatest.
+// 
+//     Megatest is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as published by
+//     the Free Software Foundation, either version 3 of the License, or
+//     (at your option) any later version.
+// 
+//     Megatest is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+// 
+//     You should have received a copy of the GNU General Public License
+//     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+digraph megatest_state_status {
+  ranksep=0.05;
+  // rankdir=LR
+    
+  node [shape=box,style=filled];
+  
+  "START" -> "have_server";
+  "DONE" [label="ALL DONE"];
+  "send_request" -> "receive_response";
+  "receive_response" -> "DONE";
+    
+  subgraph cluster_direct_access {
+    label="Direct Access";
+   
+    "direct_access" -> "start_server";
+    "direct_access" -> "touch_access_file";
+    "touch_access_file" -> "touch_host_pid_file";
+    "touch_host_pid_file" -> "count_host_pid_files";
+    "count_host_pid_files" -> "call_query_proc" [label="count < 5"];
+    "wait_for_low_count_host_pid_files" [label="sleep 1"];
+    "count_host_pid_files" -> "wait_for_low_count_host_pid_files"[label="count >= 5"];
+    "wait_for_low_count_host_pid_files" -> "count_host_pid_files";
+    "call_query_proc" -> "DONE";
+  }
+
+  "have_server" -> "ping_server" [label="yes"];
+  "have_server" -> "direct_access" [label="no" ];
+  "ping_server" -> "send_request" [label="server alive"];
+  "ping_server" -> "remove_server_file" [label="server not alive"];
+  "remove_server_file" -> "START";
+
+
+}
+// subgraph cluster_notstarted {
+//   label="Not started";
+
+//   "NOT_STARTED FAILS" [
+//   label = "{ NOT_STARTED/FAILS |{ NO_ITEMS |<here> FAIL_PREREQ |<here> FAIL_TIMEOUT }}";
+//   shape= "record";
+//   ]
+// 
+// "NOT_STARTED n/a" -> "LAUNCHED n/a" [label=" launch"];
+// "NOT_STARTED WAIT" -> "LAUNCHED n/a"
+// 
+//   "NOT_STARTED n/a";
+//   "NOT_STARTED WAIT" [
+//   label = "{NOT_STARTED WAIT|{ NO_SLOTS | <here> WAIT_PREREQ}}";
+//   shape = "record";
+// ]
+// 
+// // struct3 [shape=record,label="hello\nworld |{ b |{c|<here> d|e}| f}| g | h"];
+// 
+//   "NOT_STARTED n/a" -> "NOT_STARTED FAILS";
+//   "NOT_STARTED n/a" -> "NOT_STARTED WAIT";
+// 
+//   "RUNNING" [
+//      shape="record";
+//      label="{RUNNING|{n/a|<here> PASS |<here> FAIL}}";
+//   ]
+// 
+//   "COMPLETED" [
+//       shape="record";
+//       label = "{COMPLETED|{PASS | SKIP | WAIVED | FAIL | CHECK| ABORT}}";
+//   ]
+// 
+// 
+// "RUNNING" -> "COMPLETED";
+// "RUNNING" -> "INCOMPLETE" [label="test dead for > 24hrs"];
+// 
+// 
+// "LAUNCHED n/a" -> "REMOTEHOSTSTART n/a" -> "RUNNING";