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refactored with die() functions for better readability

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This commit is contained in:
Gunter Labes 2008-12-11 21:05:17 +00:00
parent 4b08e1b847
commit ab6b4f3a9b
1 changed files with 19 additions and 20 deletions
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39
utils/mp-server/run_server
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@ -1,16 +1,19 @@
#!/bin/sh
if [ $# -lt 1 ]; then
echo "Syntax: $0 <server version> [--test] [<additional parameters for wesnothd>]" >&2
die() {
echo >&2 "$@"
exit 1
fi
}
dietail() {
echo >&2 "$@"
echo >&2 "tail $LOG:"
tail $LOG
exit 1
}
[ $# -ge 1 ] || die "Syntax: $0 <server version> [--test] [<additional parameters for wesnothd>]"
SERVER=$1
SERVERBASE=$HOME/servers/$SERVER
if ! [ -d "$SERVERBASE" ]; then
echo "Server '$SERVER' not found." >&2
exit 1
fi
[ -d "$SERVERBASE" ] || die "Server '$VERSION' not found."
[ -d "$SERVERBASE/logs" ] || mkdir $SERVERBASE/logs
shift
@ -47,21 +50,18 @@ trap "$HOME/bin/send_server_message $SERVER; sleep 2; echo -n 'terminated: '; da
while [ true ]
do
cd $SERVERBASE/build || exit 1
if ! [ -x bin/wesnothd-$SERVER ]; then
echo "Executable 'bin/wesnothd-$SERVER' not found." >&2
exit 1
fi
[ -x bin/wesnothd-$SERVER ] || die "Executable 'bin/wesnothd-$SERVER' not found."
DATE=$(date +"%Y%m%d-%H%M%S")
if [ -f "$SERVERBASE/redirect.cfg" ]; then
PORT=$(sed -re '/port=/!d;s/[ \t]*port="?([0-9]+)"?/\1/' $SERVERBASE/redirect.cfg)
fi
[ ! -f "$SERVERBASE/redirect.cfg" ] || PORT=$(sed -re '/port=/!d;s/[ \t]*port="?([0-9]+)"?/\1/' $SERVERBASE/redirect.cfg)
BUILDDIR=$(ls -ld $SERVERBASE/build | sed -e 's,.*\(\.\./builds/wesnothd-.*/\),\1,')
REV=r$(echo "$BUILDDIR" | sed -re "s,.*wesnothd-svn-([0-9:SM]+)_$SERVER/$,\1,")
LOG="wesnothd.$DATE.$REV.log"
COMMAND="bin/wesnothd-$SERVER -c $SERVERBASE/wesnothd.cfg --port $PORT --threads $THREADS $PARAMETERS"
$COMMAND &> "$SERVERBASE/logs/$LOG" &
PID=$!
echo "started $SERVER server with command: '$COMMAND' (revision: $REV, pid: $PID) at: $DATE"
echo "started $SERVER server with command: '$COMMAND' (revision: $REV, pid: $PID) logging to: $LOG"
# create some convenient links
ln -s "$SERVERBASE/logs/$LOG" "$LOG.$PID"
rm -f $SERVERBASE/old.log
@ -69,13 +69,12 @@ do
ln -s "logs/$LOG" $SERVERBASE/current.log
# wait for the server to terminate
wait $PID
EXIT_CODE=$?
echo "wesnothd exited with code: $EXIT_CODE"
# need to use the recorded path since the build/ symlink might have changed
mv "$SERVERBASE/$BUILDDIR/gmon.out" "$SERVERBASE/$BUILDDIR/gmon.$DATE.$REV.out" &> /dev/null
# check for return code if not zero or 98 (port in use) the server should be restarted
if [ "$EXIT_CODE" = "0" ] || [ "$EXIT_CODE" = "98" ]; then
echo "run_server script shutting down."
exit 0
fi
[ "$EXIT_CODE" = "0" ] || (echo "run_server script shutting down."; exit 0)
[ "$EXIT_CODE" = "98" ] || dietail #Could not bind to port
done