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;; 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 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,
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;; 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/>.
(require-extension (srfi 18) extras tcp s11n)
(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest posix-extras) ;; sqlite3
(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest posix-extras)
;; (import (prefix sqlite3 sqlite3:))
(declare (uses daemon))
;; (declare (uses daemon))
(declare (uses portlogger))
(declare (uses rmt))
(include "common_records.scm")
(include "db_records.scm")
(include "js-path.scm")
(require-library stml)
(define (http-transport:make-server-url hostport)
(if (not hostport)
#f
(conc "http://" (car hostport) ":" (cadr hostport))))
(define *server-loop-heart-beat* (current-seconds))
;;======================================================================
;; S E R V E R
;;======================================================================
;; ======================================================================
;; Call this to start the actual server
;;
(define *db:process-queue-mutex* (make-mutex))
(define (http-transport:run hostn)
;; Configurations for server
(tcp-buffer-size 2048)
(max-connections 2048)
(debug:print 2 *default-log-port* "Attempting to start the server ...")
(let* ((db #f) ;; (open-db)) ;; we don't want the server to be opening and closing the db unnecesarily
(hostname (get-host-name))
(ipaddrstr (let ((ipstr (if (string=? "-" hostn)
;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".")
(server:get-best-guess-address hostname)
#f)))
(if ipstr ipstr hostn))) ;; hostname)))
(start-port (portlogger:open-run-close portlogger:find-port))
(link-tree-path (common:get-linktree))) ;; (configf:lookup *configdat* "setup" "linktree")))
(link-tree-path (common:get-linktree))
(tmp-area (common:get-db-tmp-area))
(start-file (conc tmp-area "/.server-start")))
(debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port)
;; set some parameters for the server
(root-path (if link-tree-path
link-tree-path
(current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP!
(handle-directory spiffy-directory-listing)
(handle-exception (lambda (exn chain)
(signal (make-composite-condition
(make-property-condition
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(send-response body: (http-transport:main-page)))
((equal? (uri-path (request-uri (current-request)))
'(/ any))
(send-response body: "hey there!\n"
headers: '((content-type text/plain))))
((equal? (uri-path (request-uri (current-request)))
'(/ "hey"))
(send-response body: "hey there!\n"
(send-response body: "hey there!\n"
headers: '((content-type text/plain))))
((equal? (uri-path (request-uri (current-request)))
'(/ "jquery3.1.0.js"))
(send-response body: (http-transport:show-jquery)
headers: '((content-type application/javascript))))
((equal? (uri-path (request-uri (current-request)))
'(/ "test_log"))
(send-response body: (http-transport:html-test-log $)
headers: '((content-type text/HTML))))
((equal? (uri-path (request-uri (current-request)))
'(/ "dashboard"))
(send-response body: (http-transport:html-dboard $)
headers: '((content-type text/HTML))))
(else (continue))))))))
(with-output-to-file start-file (lambda ()(print (current-process-id))))
(http-transport:try-start-server ipaddrstr start-port)))
;; This is recursively run by http-transport:run until sucessful
;;
(define (http-transport:try-start-server ipaddrstr portnum)
(let ((config-hostname (configf:lookup *configdat* "server" "hostname")))
(let ((config-hostname (configf:lookup *configdat* "server" "hostname"))
(config-use-proxy (equal? (configf:lookup *configdat* "client" "use-http_proxy") "yes")))
(if (not config-use-proxy)
(determine-proxy (constantly #f)))
(debug:print-info 0 *default-log-port* "http-transport:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum " config-hostname=" config-hostname)
(handle-exceptions
exn
(begin
(print-error-message exn)
(if (< portnum 64000)
(begin
(debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...")
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 0 *default-log-port* "exn=" (condition->list exn))
(debug:print 5 *default-log-port* "exn=" (condition->list exn))
(portlogger:open-run-close portlogger:set-failed portnum)
(debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port")
(thread-sleep! 0.1)
;; get_next_port goes here
(http-transport:try-start-server ipaddrstr
(portlogger:open-run-close portlogger:find-port)))
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success
(db:string->obj
(handle-exceptions
exn
(let ((call-chain (get-call-chain))
(msg ((condition-property-accessor 'exn 'message) exn)))
(set! success #f)
(if (debug:debug-mode 1)
(debug:print-info 0 *default-log-port* "couldn't talk to server, trying again ...")
(begin
(debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".")
(debug:print 0 *default-log-port* " message: " msg)
(debug:print 0 *default-log-port* " cmd: " cmd " params: " params)
(if runremote
(list (cons 'key "thekey")
(list (cons 'key (or *server-id* "thekey"))
(cons 'cmd cmd)
(cons 'params sparams))
read-string))
transport: 'http)
0)) ;; added this speculatively
;; Shouldn't this be a call to the managed call-all-connections stuff above?
(close-all-connections!)
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(debug:print-info 11 *default-log-port* "got res=" res)
(if (vector? res)
(if (vector-ref res 0) ;; this is the first flag or the second flag?
res ;; this is the *inner* vector? seriously? why?
(if (debug:debug-mode 11)
(let ((call-chain (get-call-chain))) ;; note: this code also called in nmsg-transport - consider consolidating it
(print-call-chain (current-error-port))
(debug:print-error 11 *default-log-port* "error above occured at server, res=" res " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print-error 11 *default-log-port* "error above occured at server, res=" res) ;; " message: " ((condition-property-accessor 'exn 'message) exn))
(debug:print 11 *default-log-port* " server call chain:")
(pp (vector-ref res 1) (current-error-port))
(signal (vector-ref res 0)))
res))
(signal (make-composite-condition
(make-property-condition
'timeout
'message "nmsg-transport:client-api-send-receive-raw timed out talking to server")))))))
;; careful closing of connections stored in *runremote*
;;
(define (http-transport:close-connections #!key (area-dat #f))
(let* ((runremote (or area-dat *runremote*))
(server-dat (if runremote
(remote-conndat runremote)
#f))) ;; (hash-table-ref/default *runremote* run-id #f)))
(if (vector? server-dat)
(let ((api-dat (http-transport:server-dat-get-api-uri server-dat)))
(handle-exceptions
exn
(begin
(print-call-chain *default-log-port*)
(debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn)))
(close-connection! api-dat)
#t)
(close-connection! api-dat)
;;(close-idle-connections!)
#t))
#f)))
(define (make-http-transport:server-dat)(make-vector 6))
(define (http-transport:server-dat-get-iface vec) (vector-ref vec 0))
(define (http-transport:server-dat-get-port vec) (vector-ref vec 1))
(define (http-transport:server-dat-get-api-uri vec) (vector-ref vec 2))
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;; used and to shutdown after sometime if it is not.
;;
(define (http-transport:keep-running)
;; if none running or if > 20 seconds since
;; server last used then start shutdown
;; This thread waits for the server to come alive
(debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server")
(let* ((sdat #f)
(tmp-area (common:get-db-tmp-area))
(started-file (conc tmp-area "/.server-started"))
(let* ((server-start-time (current-seconds))
(let ((sdat #f))
(begin ;; let ((sdat #f))
(thread-sleep! 0.01)
(debug:print-info 0 *default-log-port* "Waiting for server alive signature")
(mutex-lock! *heartbeat-mutex*)
(set! sdat *server-info*)
(mutex-unlock! *heartbeat-mutex*)
(if (and sdat
(not changed)
(> (- (current-seconds) start-time) 2))
(begin
(debug:print-info 0 *default-log-port* "Received server alive signature")
(common:save-pkt `((action . alive)
(T . server)
(pid . ,(current-process-id))
(ipaddr . ,(car sdat))
(port . ,(cadr sdat)))
*configdat* #t)
sdat)
(begin
(debug:print-info 0 *default-log-port* "Still waiting, last-sdat=" last-sdat)
(sleep 4)
(if (> (- (current-seconds) start-time) 120) ;; been waiting for two minutes
(begin
(debug:print-error 0 *default-log-port* "transport appears to have died, exiting server")
(common:save-pkt `((action . died)
(T . server)
(pid . ,(current-process-id))
(ipaddr . ,(car sdat))
(port . ,(cadr sdat))
(msg . "Transport died?"))
*configdat* #t)
(exit))
(loop start-time
(equal? sdat last-sdat)
sdat)))))))
(iface (car server-info))
(server-timeout (server:get-timeout))
(server-timeout (server:expiration-timeout))
(server-going #f)
(server-log-file (args:get-arg "-log"))) ;; always set when we are a server
(with-output-to-file started-file (lambda ()(print (current-process-id))))
(let loop ((count 0)
(server-state 'available)
(bad-sync-count 0)
(start-time (current-milliseconds)))
;; Use this opportunity to sync the tmp db to megatest.db
(if (not server-going) ;; *dbstruct-db*
(begin
(debug:print 0 *default-log-port* "SERVER: dbprep")
(set! *dbstruct-db* (db:setup)) ;; run-id))
(set! *dbstruct-db* (db:setup #t)) ;; run-id))
(set! server-going #t)
(debug:print 0 *default-log-port* "SERVER: running, megatest version: " (common:get-full-version)) ;; NOTE: the server is NOT yet marked as running in the log. We do that in the keep-running routine.
(thread-start! *watchdog*)))
;; when things go wrong we don't want to be doing the various queries too often
;; so we strive to run this stuff only every four seconds or so.
(let* ((sync-time (- (current-milliseconds) start-time))
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(begin
(debug:print 0 *default-log-port* "SERVER STARTED: " iface ":" port " AT " (current-seconds))
(flush-output *default-log-port*)))
(if (common:low-noise-print 60 "dbstats")
(begin
(debug:print 0 *default-log-port* "Server stats:")
(db:print-current-query-stats)))
(let* ((hrs-since-start (/ (- (current-seconds) server-start-time) 3600))
(let* ((hrs-since-start (/ (- (current-seconds) server-start-time) 3600)))
(adjusted-timeout (if (> hrs-since-start 1)
(- server-timeout (inexact->exact (round (* hrs-since-start 60)))) ;; subtract 60 seconds per hour
server-timeout)))
(if (common:low-noise-print 120 "server timeout")
(debug:print-info 0 *default-log-port* "Adjusted server timeout: " adjusted-timeout))
(current-seconds))
(current-seconds)))
(< (- (current-seconds) server-start-time) 3600)) ;; do not update log or touch log if we've been running for more than one hour.
(change-file-times server-log-file curr-time curr-time))))
(change-file-times server-log-file curr-time curr-time)))))
(loop 0 server-state bad-sync-count (current-milliseconds)))
(else
(debug:print-info 0 *default-log-port* "Server timed out. seconds since last db access: " (- (current-seconds) last-access))
(http-transport:server-shutdown port)))))))
(define (http-transport:server-shutdown port)
(begin
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;; (if (eq? *number-non-write-queries* 0)
;; "n/a (no queries)"
;; (/ *total-non-write-delay*
;; *number-non-write-queries*))
;; " ms")
(db:print-current-query-stats)
(common:save-pkt `((action . exit)
(T . server)
(pid . ,(current-process-id)))
*configdat* #t)
(debug:print-info 0 *default-log-port* "Server shutdown complete. Exiting")
(exit)))
;; all routes though here end in exit ...
;;
;; start_server?
;;
(define (http-transport:launch)
;; check that a server start is in progress, pause or exit if so
(let* ((tmp-area (common:get-db-tmp-area))
(server-start (conc tmp-area "/.server-start"))
(server-started (conc tmp-area "/.server-started"))
(start-time (common:lazy-modification-time server-start))
(started-time (common:lazy-modification-time server-started))
(server-starting (< start-time started-time)) ;; if start-time is less than started-time then a server is still starting
(start-time-old (> (- (current-seconds) start-time) 5))
(cleanup-proc (lambda (msg)
(let* ((serv-fname (conc "server-" (current-process-id) "-" (get-host-name) ".log"))
(full-serv-fname (conc *toppath* "/logs/" serv-fname))
(new-serv-fname (conc *toppath* "/logs/" "defunct-" serv-fname)))
(debug:print 0 *default-log-port* msg)
;; (if (args:get-arg "-daemonize")
;; (begin
(if (common:file-exists? full-serv-fname)
(system (conc "sleep 1;mv -f " full-serv-fname " " new-serv-fname))
(debug:print 0 *default-log-port* "INFO: cannot move " full-serv-fname " to " new-serv-fname))
(exit)))))
(if (and (not start-time-old) ;; last server start try was less than five seconds ago
(not server-starting))
(begin
;; (daemon:ize)
;; (if *alt-log-file* ;; we should re-connect to this port, I think daemon:ize disrupts it
;; (begin
;; (current-error-port *alt-log-file*)
;; (current-output-port *alt-log-file*)))))
(let* ((th2 (make-thread (lambda ()
(debug:print-info 0 *default-log-port* "Server run thread started")
(http-transport:run
(if (args:get-arg "-server")
(args:get-arg "-server")
"-")
)) "Server run"))
(th3 (make-thread (lambda ()
(debug:print-info 0 *default-log-port* "Server monitor thread started")
(http-transport:keep-running)
"Keep running"))))
(thread-start! th2)
(thread-sleep! 0.25) ;; give the server time to settle before starting the keep-running monitor.
(thread-start! th3)
(set! *didsomething* #t)
(thread-join! th2)
(exit)))
(define (http-transport:server-signal-handler signum)
(signal-mask! signum)
(handle-exceptions
exn
(debug:print 0 *default-log-port* " ... exiting ...")
(let ((th1 (make-thread (lambda ()
(thread-sleep! 1))
"eat response"))
(th2 (make-thread (lambda ()
(debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
(thread-sleep! 3) ;; give the flush three seconds to do it's stuff
(debug:print 0 *default-log-port* " Done.")
(exit 4))
"exit on ^C timer")))
(thread-start! th2)
(thread-start! th1)
(thread-join! th2))))
;; (define (http-transport:server-signal-handler signum)
;; (signal-mask! signum)
;; (handle-exceptions
;; exn
;; (debug:print 0 *default-log-port* " ... exiting ...")
;; (let ((th1 (make-thread (lambda ()
;; (thread-sleep! 1))
;; "eat response"))
;; (th2 (make-thread (lambda ()
;; (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; (thread-sleep! 3) ;; give the flush three seconds to do it's stuff
;; (debug:print 0 *default-log-port* " Done.")
;; (exit 4))
;; "exit on ^C timer")))
;; (thread-start! th2)
;; (thread-start! th1)
;; (thread-join! th2))))
;;===============================================
;; Java script
;;===============================================
(define (http-transport:show-jquery)
(let* ((data (tests:readlines *java-script-lib*)))
(string-join data "\n")))
;;======================================================================
;; web pages
;;======================================================================
(define (http-transport:html-test-log $)
(let* ((run-id ($ 'runid))
(test-item ($ 'testname))
(parts (string-split test-item ":"))
(test-name (car parts))
(item-name (if (equal? (length parts) 1)
""
(cadr parts))))
;(print $)
(tests:get-test-log run-id test-name item-name)))
(define (http-transport:html-dboard $)
(let* ((page ($ 'page))
(oup (open-output-string))
(bdy "--------------------------")
(ret (tests:dynamic-dboard page)))
(s:output-new oup ret)
(close-output-port oup)
(set! bdy (get-output-string oup))
(conc "<h1>Dashboard</h1>" bdy "<br/> <br/> " )))
(define (http-transport:main-page)
(let ((linkpath (root-path)))
(conc "<head><h1>" (pathname-strip-directory *toppath*) "</h1></head>"
"<body>"
"Run area: " *toppath*
"<h2>Server Stats</h2>"
(http-transport:stats-table)
"<hr>"
(http-transport:runs linkpath)
"<hr>"
(http-transport:run-stats)
;; (http-transport:run-stats)
"</body>"
)))
(define (http-transport:stats-table)
(mutex-lock! *heartbeat-mutex*)
(let ((res
(conc "<table>"
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(string-intersperse
(let ((files (map pathname-strip-directory (glob (conc linkpath "/*")))))
(map (lambda (p)
(conc "<a href=\"" p "\">" p "</a><br>"))
files))
" ")))
(define (http-transport:run-stats)
#;(define (http-transport:run-stats)
(let ((stats (open-run-close db:get-running-stats #f)))
(conc "<table>"
(string-intersperse
(map (lambda (stat)
(conc "<tr><td>" (car stat) "</td><td>" (cadr stat) "</td></tr>"))
stats)
" ")
"</table>")))
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