diff options
Diffstat (limited to '.app/lib/pid-method')
-rwxr-xr-x | .app/lib/pid-method | 102 |
1 files changed, 88 insertions, 14 deletions
diff --git a/.app/lib/pid-method b/.app/lib/pid-method index b4a672e..15e85ff 100755 --- a/.app/lib/pid-method +++ b/.app/lib/pid-method @@ -1,8 +1,8 @@ -#!/bin/bash +#!/bin/bash -e -set -e +set -u -PID_FILE=$APPSH_BASEDIR/.app/var/pid/$name-$instance.pid +PID_FILE=$APPSH_BASEDIR/.app/var/pid/$APPSH_NAME-$APPSH_INSTANCE.pid . $APPSH_HOME/.app/lib/app-conf @@ -22,16 +22,90 @@ fi chmod +x "$bin" +PID= +if [ -r $PID_FILE ] +then + PID="`cat $PID_FILE`" +fi + +do_status() { + if [ -z "$PID" ] + then + echo stopped + else + if [ `ps -p "$PID" 2>/dev/null | wc -l` -gt 1 ] + then + echo running + else + echo crashed + fi + fi +} + +method_start() { + case `do_status` in + running) + echo "The application is already running as $PID." + exit 1 + ;; + esac + + $bin <&- 1<&- 2<&- & + PID=$! + echo "Application launched as $PID" + echo $PID > $PID_FILE + + return 0 +} + +method_stop() { + case `do_status` in + stopped) + echo "The application not running." + exit 1 + ;; + crashed) + echo "The application crashed. Was running as $PID" + # TODO: should this remove the PID file? + # That makes it possible to run "stop" to stop "status" from showing "crashed" + exit 1 + ;; + esac + + signal="-9" + echo -n "Sending kill $signal to $PID, waiting for shutdown: " + kill $signal $PID + + while [ "`do_status`" == "running" ] + do + sleep 1 + echo -n "." + done + + echo "OK" + rm -f $PID_FILE + return 0 +} + +method_status() { + case `do_status` in + running) + echo "$APPSH_NAME/$APPSH_INSTANCE is running as $PID" + ;; + stopped) + echo "$APPSH_NAME/$APPSH_INSTANCE is not running" + ;; + crashed) + echo "$APPSH_NAME/$APPSH_INSTANCE crashed. Was running as $PID" + ;; + esac +} + case "$APPSH_METHOD" in - start) - set -x - $bin & - ret=$? - pid=$! - echo "Application launched with PID=$pid" - echo $pid > $PID_FILE - ;; - *) - exit 1 - ;; + start) method_start ;; + stop) method_stop ;; + status) method_status ;; + *) exit 1 ;; esac + +exit $? |