#!/bin/bash
# --------------------------------------------------------------------
# Copyright (C) 2005  Georgia Public Library Service 
# Bill Erickson <highfalutin@gmail.com>

# This program 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 2
# of the License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# 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.
# --------------------------------------------------------------------


# --------------------------------------------------------------------------
# Utility script for starting the jserver (the opensrf jabber server), the
# opensrf router, and opensrf proper.
# see vars below for ways to alter the behavior and directory locations
# --------------------------------------------------------------------------



# --------------------------------------------------------------------------
# Change to suit
# --------------------------------------------------------------------------
PREFIX=/openils;
ETCDIR="$PREFIX/conf";  # config files are found here
LOGDIR="$PREFIX/var/log";	# logs go here
BINDIR="$PREFIX/bin";	# executables are found here
BOOTSTRAP="$ETCDIR/bootstrap.conf";	# opensrf config is here

# should these be started? set to "" or nothing to disable them
JSERVER="1";
ROUTER="1";
OPENSRF="1";

JSERVERSOCK="$PREFIX/var/sock/jserver.sock";	# jabber server socket file 
JSERVERLOG="$LOGDIR/jserver.log" # jabber server log 
JSERVERPORT=5222;						# jabber server port 
JSERVERLEVEL=4; # can be 1-4, 4 is the highest
ROUTERLOG="$LOGDIR/router.log"	# jabber router log
# --------------------------------------------------------------------------
# --------------------------------------------------------------------------

JSERVERBIN="jserver-c" 
export LD_LIBRARY_PATH="$PREFIX/lib:$LD_LIBRARY_PATH";
export PERL5LIB="$PREFIX/lib/perl5:$PERL5LIB";
export PATH="$PREFIX/bin:$PATH";


function fail { echo "$0 exited: $*"; exit 99; }


function startJserver {

	ACTIVE=$(netstat -an | grep $JSERVERPORT);
	
	if [ ! -z "$ACTIVE" ]; then

		echo "Port $JSERVERPORT is busy. Waiting 60 seconds for the port to clear up..."

		for ((i=0; i!= 60; i++)) {
			ACTIVE=$(netstat -an | grep $JSERVERPORT);
			[ -z "$ACTIVE" ] && break; 
			echo -n "+";
			sleep 1;
		}
		echo "";
		ACTIVE=$(netstat -an | grep $JSERVERPORT);
		[ ! -z "$ACTIVE" ] && fail "Port $JSERVERPORT is busy...exiting";
	fi;
	
	rm -f "$JSERVERSOCK";
	"$BINDIR/$JSERVERBIN" $JSERVERPORT "$JSERVERSOCK" "$JSERVERLEVEL" "$JSERVERLOG"
}


function startRouter {
	"$BINDIR/router" "$ETCDIR/router_config.xml" 
}

function startOpenSRF {
	 "$BINDIR/opensrf_ctl" start "$BOOTSTRAP";
}



function makeMeGo {
	
	if [ ! -z "$JSERVER" ]; then
		echo "Starting Chop Chop, Jabber (jserver-c)...";
		startJserver;
		echo "Chop Chop started OK";
	fi

	sleep 1;

	if [ ! -z "$ROUTER" ]; then
		echo "Starting router...";
		startRouter;
		echo "Router started OK";
	fi

	sleep 1;

	if [ ! -z "$OPENSRF" ]; then
		echo "Starting OpenSRF...";
		startOpenSRF;
		echo "OpenSRF started OK";
	fi
	return 0;
		
}


function stopMe {

	echo "Stopping OpenSRF...";
	"$BINDIR/opensrf_ctl" stop;
	sleep 2;
	
	echo "Stopping The Router...";
	killall router;
	
	sleep 2;
	
	echo "Stopping Chop Chop...";
	killall jserver-c;
	return 0;
}



[ "$1" = "stop" ] && stopMe && exit;
[ "$1" = "restart" ] && stopMe && makeMeGo && exit;

makeMeGo;