[Assorted-commits] SF.net SVN: assorted: [188] shell-tools/trunk/src

[<yan...@us...>]

Revision: 188
          http://assorted.svn.sourceforge.net/assorted/?rev=188&view=rev
Author:   yangzhang
Date:     2007-11-19 19:37:47 -0800 (Mon, 19 Nov 2007)

Log Message:
-----------
added exit-status monitoring to daemon-ctl; added memmon

Modified Paths:
--------------
    shell-tools/trunk/src/daemon-ctl.bash

Added Paths:
-----------
    shell-tools/trunk/src/memmon.bash

Modified: shell-tools/trunk/src/daemon-ctl.bash
===================================================================
--- shell-tools/trunk/src/daemon-ctl.bash	2007-11-19 07:07:47 UTC (rev 187)
+++ shell-tools/trunk/src/daemon-ctl.bash	2007-11-20 03:37:47 UTC (rev 188)
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # vim:noet:sw=4:ts=4
 
-# TODO find a real daemonizing tool, instead of using this home-baked one
+# TODO check to see if the pid file exists and points to a running process
 
 . common.bash
 
@@ -23,6 +23,7 @@
 		-O ) stdout='' ;;
 		-p ) shift ; pid_file="$1" ;;
 		-t ) shift ; timeout="$1" ;;
+		-x ) shift ; exit_file="$1" ;;
 		-- ) shift ; break ;;
 		-* ) die "$usage" ;;
 		start | stop | status ) cmd="$1" ; shift ; break ;;
@@ -49,28 +50,49 @@
 
 # TODO add option to work with sessions (setsid) to kill all subprocs as well
 
+exit-monitor() {
+	# start the program
+	if [[ "$stdout" == '' && "$stderr" == '' ]] ; then
+		"$@" &
+	elif [[ "$stdout" != '' && "$stderr" == '' ]] ; then
+		mkdir -p "$( dirname "$stdout" )"
+		"$@" > "$stdout" &
+	elif [[ "$stdout" == '' && "$stderr" != '' ]] ; then
+		mkdir -p "$( dirname "$stderr" )"
+		"$@" > "$stderr" &
+	elif [[ "$stdout" == "$stderr" ]] ; then
+		mkdir -p "$( dirname "$stdout" )"
+		$save_exit "$@" >& "$stdout" &
+	else
+		mkdir -p "$( dirname "$stdout" )"
+		mkdir -p "$( dirname "$stderr" )"
+		"$@" > "$stdout" 2> "$stderr" &
+	fi
+
+	# inform parent of pid
+	echo $! > "$pid_pipe"
+
+	# wait around for the program to exit?
+	if [ ! -z "$exit_file" ] ; then
+		set +e # wait will return the exit status
+		wait $!
+		echo $? > "$exit_file"
+		set -e
+	fi
+}
+
 case "$cmd" in
 	start )
 	{
-		nohup= # TODO keep nohup?
-		if [[ "$stdout" == '' && "$stderr" == '' ]] ; then
-			$nohup "$@" &
-		elif [[ "$stdout" != '' && "$stderr" == '' ]] ; then
-			mkdir -p "$( dirname "$stdout" )"
-			$nohup "$@" > "$stdout" &
-		elif [[ "$stdout" == '' && "$stderr" != '' ]] ; then
-			mkdir -p "$( dirname "$stderr" )"
-			$nohup "$@" > "$stderr" &
-		elif [[ "$stdout" == "$stderr" ]] ; then
-			mkdir -p "$( dirname "$stdout" )"
-			$nohup "$@" &> "$stdout" &
-		else
-			mkdir -p "$( dirname "$stdout" )"
-			mkdir -p "$( dirname "$stderr" )"
-			$nohup "$@" > "$stdout" 2> "$stderr" &
-		fi
-		log "started $@, pid = $!, pid file = $pid_file, command = $@"
-		echo $! > "$pid_file"
+		# TODO not using mktemp; this is to run on OE
+		pid_pipe="${TMP:-/tmp}/$$.pipe"
+		echo "$pid_pipe"
+		mkfifo "$pid_pipe"
+		exit-monitor "$@" >& /dev/null &
+		pid="$( < "$pid_pipe" )"
+		rm "$pid_pipe"
+		log "started $@, pid = $pid, pid file = $pid_file, exit file = $exit_file, command = $@"
+		echo $pid > "$pid_file"
 	} ;;
 	stop )
 	{

Added: shell-tools/trunk/src/memmon.bash
===================================================================
--- shell-tools/trunk/src/memmon.bash	                        (rev 0)
+++ shell-tools/trunk/src/memmon.bash	2007-11-20 03:37:47 UTC (rev 188)
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# vim:et:sw=2:ts=2
+
+period=${1:-60}
+
+while true ; do
+  date
+  uptime
+  free -m
+  vmstat 1 5
+  ps auxf --width=200
+  sleep 60
+done


Property changes on: shell-tools/trunk/src/memmon.bash
___________________________________________________________________
Name: svn:executable
   + *


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