xwords/xwords4/relay/xwrelay.sh

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#!/bin/sh
set -e -u
DIR=$(pwd)
XWRELAY=${DIR}/xwrelay
PIDFILE=${DIR}/xwrelay.pid
CONFFILE=${DIR}/xwrelay.conf
IDFILE=${DIR}/nextid.txt
CSSFILE=${DIR}/xwrelay.css
CONFFILE=${DIR}/xwrelay.conf
LOGFILE=/tmp/xwrelay_log_$$.txt
#LOGFILE=/dev/null
date > $LOGFILE
usage() {
echo "usage: $0 start | stop | restart | mkdb"
}
make_db() {
if [ ! -e $CONFFILE ]; then
echo "unable to find $CONFFILE"
exit 1
fi
DBNAME=$(grep '^DB_NAME' $CONFFILE | sed 's,^.*=,,')
if [ -z "$DBNAME" ]; then
echo "DB_NAME keyword not found"
exit 1
fi
createdb $DBNAME
cat | psql $DBNAME --file - <<EOF
create or replace function sum_array( DECIMAL [] )
returns decimal
as \$\$
select sum(\$1[i])
from generate_series(
array_lower(\$1,1),
array_upper(\$1,1)
) g(i);
\$\$ language sql immutable;
EOF
cat | psql $DBNAME --file - <<EOF
CREATE TABLE games (
cid integer
,room VARCHAR(32)
,dead BOOLEAN DEFAULT FALSE
,lang INTEGER
,pub BOOLEAN
,connName VARCHAR(64) UNIQUE PRIMARY KEY
,nTotal INTEGER
,nPerDevice INTEGER[]
,seeds INTEGER[]
,ack VARCHAR(1)[]
,nSent INTEGER DEFAULT 0
,ctime TIMESTAMP (0) DEFAULT CURRENT_TIMESTAMP
,mtimes TIMESTAMP(0)[]
);
EOF
cat | psql $DBNAME --file - <<EOF
CREATE TABLE msgs (
id SERIAL
,connName VARCHAR(64)
,hid INTEGER
,ctime TIMESTAMP DEFAULT CURRENT_TIMESTAMP
,msg BYTEA
,msglen INTEGER
,UNIQUE ( connName, hid, msg )
);
EOF
}
do_start() {
if [ -f $PIDFILE ] && [ -f /proc/$(cat $PIDFILE)/exe ]; then
echo "already running: pid=$(cat $PIDFILE)" | tee -a $LOGFILE
elif pidof $XWRELAY >/dev/null; then
echo "already running: pid($XWRELAY)=>$(pidof $XWRELAY)" | tee -a $LOGFILE
else
echo "starting..." | tee -a $LOGFILE
echo "running $XWRELAY $@ -f $CONFFILE -s $CSSFILE" | tee -a $LOGFILE
$XWRELAY $@ -f $CONFFILE -i $IDFILE -s $CSSFILE &
NEWPID=$!
echo -n $NEWPID > $PIDFILE
sleep 1
echo "running with pid=$(cat $PIDFILE)" | tee -a $LOGFILE
fi
}
case $1 in
stop)
shift
if [ -f $PIDFILE ] && [ -f /proc/$(cat $PIDFILE)/exe ]; then
sync
echo "killing pid=$(cat $PIDFILE)" | tee -a $LOGFILE
kill $(cat $PIDFILE)
else
echo "not running or $PIDFILE not found" | tee -a $LOGFILE
PID=$(pidof $XWRELAY || true)
if [ -n "$PID" ]; then
echo "maybe it's $PID; killing them" | tee -a $LOGFILE
kill $PID
fi
fi
rm -f $PIDFILE
;;
restart)
shift
$0 stop
sleep 1
$0 start $@
;;
start)
shift
do_start $@
;;
mkdb)
make_db
;;
*)
usage
exit 0
;;
esac