#!/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";
OPENSRFC="1";

#JSERVERSOCK="$PREFIX/var/sock/jserver.sock";	# jabber server socket file 
#JSERVERLOG="$LOGDIR/jserver.log" # jabber server log 
JSERVERPORT=5222;						# jabber server port 
#JSERVERLEVEL=3; # can be 1-4, 4 is the highest
#JSERVERIP="*"; # can be "*" or a specific local IP address
# --------------------------------------------------------------------------
# --------------------------------------------------------------------------

JSERVERBIN="chopchop" 
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 usage { echo "$0 [ start | stop | restart ]"; }


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;
	
	"$BINDIR/$JSERVERBIN" "$ETCDIR/opensrf_core.xml" "chopchop"; 
}


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

function startOpenSRF {

	"$BINDIR/opensrf_ctl" start "$BOOTSTRAP";

	if [ ! -z "$OPENSRFC" ]; then
		echo "Starting OpenSRF-C...";
		# localhost will need to be changed...
		"$BINDIR/opensrf-c" localhost "$ETCDIR//opensrf_core.xml" "opensrf"
		echo "OpenSRF-C started OK";
	fi
}


function makeMeGo {
	
	i=$(whoami) && [ "$i" == "root" ] && echo "Cannot run as root.  Exiting..." && exit;
	
	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;
	killall -9 opensrf-c;
	sleep 1;
	
	echo "Stopping The Router...";
	killall -9 "opensrf_router"
	
	sleep 1;
	
	echo "Stopping Chop Chop...";
	killall -9 chopchop;
	return 0;
}



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


usage;