#!/bin/bash 
#
# Copyright (c) 2008-2010 by BigBlueButton Inc.
#
# This file is part of BigBlueButton - http://www.bigbluebutton.org
# 
# BigBlueButton is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# BigBlueButton 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
#
# Author(s):
#       Fred Dixon <ffdixon@bigbluebutton.org>
#
# Changelog:
#   2009-10-18 FFD  Inital Version   
#   2009-11-05 FFD  Updated for 0.62   
#   2009-12-09 FFD  Updated for 0.63   
#   2009-12-11 FFD  Added ability to swtich conference servers   
#   2009-12-12 FFD  Added cleaning and watching of log files   
#   2010-01-05 FFD  Added zipping of log files   
#   2010-01-18 FFD  Added resetting of environment back to using packages   
#   2010-03-02 JRT  Added trunk checkout options / fixed bbb-apps instructions   
#   2010-04-02 FFD  Updated for 0.64   
#	2010-06-21 SEB  Cleaned up some code / Updated for 0.70
#	2010-06-25 SEB  Added ability to change the security salt
#	2010-06-30 SEB	Added some extra errorchecking
#	2010-07-06 SEB	Added more errorchecking and report messages
#	2010-09-15 FFD	Updates for 0.71-dev

#set -x

#
# Setup some global variables
#

if cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml | grep -v '<!--' | grep -q 'bbb-voice-asterisk.xml'; then
	VOICE_CONFERENCE="bbb-voice-asterisk.xml"
elif cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml | grep -v '<!--' | grep -q 'bbb-voice-freeswitch.xml'; then
	VOICE_CONFERENCE="bbb-voice-freeswitch.xml"
fi

IP=$(ifconfig | grep -v '127.0.0.1' | egrep -m 1 'inet (.*):' | cut -d: -f2 | awk '{ print $1}')

GENTOO=$(uname -r | grep gentoo | cut -d- -f2);
TOMCAT=""


# 
# Helper functions
#

get_platform() {

	if [ -f /etc/lsb-release ]; then
		if grep -q Ubuntu /etc/lsb-release; then
			echo "ubuntu"
		fi
	elif [ ${GENTOO} ]; then
		echo "gentoo"
	else
		echo "redhat"
	fi
}


PLATFORM=$(get_platform)

is_redhat() {
	if [ "$PLATFORM" == "redhat" ]; then
		echo "yes"
	fi
}

is_ubuntu() {
	if [ "$PLATFORM" == "ubuntu" ]; then
                echo "yes"
        fi
}

is_gentoo() {
	if [ "$PLATFORM" == "gentoo" ]; then
		echo "yes"
	fi
}

is_vm() {
	if [ -f /home/firstuser/.profile ]; then
		echo $(cat /home/firstuser/.profile | grep BigBlueButton)
	fi
}

if [ "$(is_redhat)" ]; then
	TOMCAT="tomcat6"
	RED5_DIR="/usr/share/red5"
	ACTIVEMQ_DIR="/usr/share/activemq"
	TOMCAT6_LOGS="/var/log/${TOMCAT}"
elif [ "$(is_gentoo)" ]; then
	TOMCAT="tomcat-6"
	RED5_DIR="/usr/share/red5"
	ACTIVEMQ_DIR="/usr/share/activemq"
	TOMCAT6_LOGS="/var/lib/${TOMCAT}/logs"
else 
	if [ "$(is_ubuntu)" ]; then
		TOMCAT="tomcat6"
		RED5_DIR="/usr/share/red5"
		ACTIVEMQ_DIR="/usr/share/activemq"
		TOMCAT6_LOGS="/var/lib/${TOMCAT}/logs"
	fi
fi


print_header() {
	if [ ! $HEADER ]; then
		echo
		echo "** Potential problems described below **"
		HEADER=1
	fi
}

check_root() {
	if [ $EUID == 0 ]; then
		echo "This operation should not be run as root."
		echo 
		echo "If this operation needs to execute an operation as root, you'll be asked for"
		echo "your password to execute the operation using sudo."
		exit 1
	fi
}

need_root() {
	if [ $EUID != 0 ]; then
		echo "Need to be root to run this option"
		exit 1
	fi
}

usage() {
	echo "BigBlueButton Configuration Utility - Version 0.71-dev4"
        echo "http://code.google.com/p/bigbluebutton/wiki/BBBConf"
        echo
        echo "$0 [options]"
        echo
        echo "Configuration:"
        echo "   --version                        Display BigBlueButton version (packages)"
        echo "   --setip <host>                   Set IP/hostname for BigBlueButton"
        echo "   --conference [konference|meetme|freeswitch]"
        echo "                                    Switch conference module"
	echo "   --salt <salt>		    	  Change the security salt in bigbluebutton.properties"
        echo
        echo "Monitoring:"
        echo "   --check <verbose>                Check configuration files and processes for problems"
        echo "   --debug                          Scan the log files for error messages"
        echo "   --watch                          Scan the log files for error messages every 2 seconds"
        echo
        echo "Administration":
        echo "   --restart                        Restart BigBueButton"
        echo "   --stop                           Stop BigBueButton"
        echo "   --start                          Start BigBueButton"
        echo "   --clean                          Restart and clean all log files"
        echo "   --zip                            Zip up log files for reporting an error"
        echo
        if [ "$(is_vm)" ]; then
                echo "Development:"
                echo "   --setup-samba                    Setup samba share for development (VM only)"
                echo "   --checkout  <repo>               Checkout from github or passed in repository"
                echo "   --setup-dev [client|web|apps]	  Setup development environment "
                echo "   --reset-dev                      Reset environment back to using packages"
        fi
        echo
}

# utility function to make a copy of the conf file
check_and_backup () {
	# can we write to the configuration file?
	if [ ! -w $1 ]; then
		echo "Cannot write to $1!"
		exit 1
	fi

	# let's see if we need a copy
	if [ "$TO_BACKUP" = "Y" ]; then
		cp $1 $1.bak
		TO_BACKUP="N"
	fi
}

# 3 paramenter: the file, the variable name, the new value
change_var_value () {
	check_and_backup $1
	sed -i "s<^[[:blank:]#]*\(${2}\).*<\1=\"${3}\"<" $1
}

change_var_ip () {
        check_and_backup $1
        sed -i "s<^[[:blank:]#]*\(${2}\).*<\1=${3}<" $1
}

# same as change_var_value but without quotes
change_var_salt() {
	check_and_backup $1
	sed -i "s<^[[:blank:]#]*\(${2}\).*<\1="${3}"<" $1
}

# comment lines matching $2 ($1 is the file)
comment () {
	check_and_backup $1
	sed -i "s<^[[:blank:]]*\(${2}.*\)<#\1<" $1
}

# comment lines matching $2 ($1 is the file)
uncomment () {
	check_and_backup $1
	sed -i "s<^[#[:blank:]]*\(${2}.*\)<\1<" $1
}

stop_bigbluebutton () {
	/etc/init.d/red5 stop
	/etc/init.d/${TOMCAT} stop
	/etc/init.d/nginx stop
        
	if [ -a /opt/freeswitch/run/freeswitch.pid ]; then
		/etc/init.d/freeswitch stop
	fi
	
	if [ -a /var/run/asterisk/asterisk.pid ]; then
		/etc/init.d/asterisk stop
	fi
        
	/etc/init.d/activemq stop
	/etc/init.d/bbb-openoffice-headless stop
}

start_bigbluebutton () {
	if [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
		echo "Starting Freeswitch"
		/etc/init.d/freeswitch start
	else
		echo "Starting Asterisk"
		/etc/init.d/asterisk start
	fi
	/etc/init.d/activemq start
	
	echo -n "Waiting for active MQ to start: "
	while ! nc -z -w 1 127.0.0.1 61616; do
		echo -n "."
                sleep 1
        done
	echo

	if [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
		FREESWITCH_ESL_IP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')

		echo -n "Waiting for FreeSwitch to start: "

		while ! nc -z -w 1 $FREESWITCH_ESL_IP 8021; do
			echo -n "."
                	sleep 1
        	done
		echo
	else
		echo -n "Waiting for Asterisk to start: "

		while ! nc -z -w 1 127.0.0.1 5038; do
			echo -n "."
                	sleep 1
        	done
	fi
	
	/etc/init.d/bbb-openoffice-headless start
	/etc/init.d/nginx start
	/etc/init.d/red5 start
	/etc/init.d/${TOMCAT} start

	#
	# At this point the red5 and tomcat6 applications are starting up.
	#
	echo -n "Waiting for BigBlueButton to finish starting up: "

	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')
        if ! wget http://$NGINX_IP/bigbluebutton/api -O - --quiet | grep -q SUCCESS; then
                echo "Startup unsuccessful"
		exit 1
	else
		echo "... done"
	fi
}

display_bigbluebutton_status () {
	/etc/init.d/activemq status
	/etc/init.d/nginx status
	/etc/init.d/red5 status
	/etc/init.d/${TOMCAT} status
}

if [ $# -eq 0 ]; then
	usage
	exit 1
fi

# Parse the parameters
while [ $# -gt 0 ]; do
	if [ "$1" = "-stop" -o "$1" = "--stop" ]; then
		stop_bigbluebutton
		exit 0
	fi

	if [ "$1" = "-start" -o "$1" = "--start" ]; then
		start_bigbluebutton
		exit 0
	fi

	if [ "$1" = "-check" -o "$1" = "--check" -o "$1" = "-c" ]; then
		CHECK=1
		shift;shift 
		continue
	fi

	if [ "$1" = "--setup-samba" -o "$1" = "-setup-samba" ]; then
		SAMBA=1
		shift
		continue
	fi		

	if [ "$1" = "--version" -o "$1" = "-version" -o "$1" = "-v" ]; then
		VERSION=1
		shift
		continue
	fi		

	if [ "$1" = "--debug" -o "$1" = "-debug" -o "$1" = "-d" ]; then
		DEBUG=1
		shift
		continue
	fi

	if [ "$1" = "--clean" -o "$1" = "-clean" ]; then
		CLEAN=1
		shift
		continue
	fi

	if [ "$1" = "--watch" -o "$1" = "-watch" -o "$1" = "-w" ]; then
		WATCH=1
		shift
		continue
	fi

	if [ "$1" = "--network" -o "$1" = "-network" -o "$1" = "-n" ]; then
		NETWORK=1
		shift
		continue
	fi

	if [ "$1" = "--zip" -o "$1" = "-zip" -o "$1" = "-z" ]; then
		ZIP=1
		shift
		continue
	fi

	if [ "$1" = "--reset-dev" -o "$1" = "-reset-dev" -o "$1" = "-r" ]; then
		RESET_DEV=1
		shift
		continue
	fi

	if [ "$1" = "--restart" -o "$1" = "-restart" ]; then
                RESTART=1
                shift
                continue
        fi

	if [ "$1" = "--checkout" -o "$1" = "-checkout" ]; then
		echo "# Request to checkout BigBlueButton"
		if [ $# -lt 2 ]; then
			CHECKOUT="git://github.com/bigbluebutton/bigbluebutton.git"
		else
			CHECKOUT="${2}"
		fi	
		shift; shift
		continue
	fi

	#
	# all other parameters requires at least 1 argument
	#
	
	if [ "$1" = "-setip" -o "$1" = "--setip" ]; then
		HOST="${2}"
		if [ -z "$HOST" ]; then
			echo "HOST IP=$IP"
		fi

		if echo $HOST|grep -q ":"; then
			HOST=`echo ${2}|cut -d: -f1`
			PORT=`echo ${2}|cut -d: -f2`
		fi
		shift; shift
		continue
	fi		

        if [ "$1" = "--setup-dev" -o "$1" = "-setup-dev" ]; then
                SETUPDEV="${2}"
		if test -z "${2}"; then
			usage;
		fi
                shift; shift
                continue
        fi

	if [ "$1" = "--conference" -o "$1" = "-conference" ]; then
		CONFERENCE="${2}"
		confapp=$(cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | grep 'asterisk.application' | sed s/.*=//g);

		if [ -z "$CONFERENCE" ] ; then
			if [ $confapp == "meetme" ]; then
				echo "Current conference application is $confapp"
			elif [ $confapp == "konference" ] && [ "$VOICE_CONFERENCE" == "bbb-voice-asterisk.xml" ]; then
				echo "Current conference application is $confapp"
			elif [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
				echo "Current conference application is freeswitch"
			fi
			exit 0
		fi
		shift; shift
		continue
	fi		
	
	if [ "$1" = "--salt" -o "$1" = "-salt" -o "$1" = "--set-salt" ]; then
		SALT="${2}"
		CSALT=`cat /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep securitySalt | cut -d= -f2`;
		if [ -z "$SALT" ]; then
			echo "Current Salt retrieved from bigbluebutton.properties: $CSALT"
		fi
		shift; shift
		continue
	fi

	usage 
	exit 1
done


#
# Version 
#
if [ $VERSION ]; then
	if [ "$(is_redhat)" ]; then
		echo "$(yum list installed | grep bbb-conf)"
	else 
		if [ "$(is_ubuntu)" ]; then
			echo 
			dpkg -l | grep bbb
		fi
	fi
	exit 0
fi


#
# Set Security Salt
# - XXX
#

if [ $SALT ]; then
	need_root
	change_var_salt /var/lib/$TOMCAT/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties beans.dynamicConferenceService.securitySalt $SALT
	echo "Changed the security salt to $SALT"
fi


#
# Setup samba
#

if [ $SAMBA ]; then
	check_root

        #
        # Instal Samba
        #
        if ! dpkg-query -s samba > /dev/null 2>&1; then
                sudo apt-get install -y --force-yes samba ant
        fi

        #
        # Add a share to samba
        #
        if ! grep -q $USER /etc/samba/smb.conf; then

                echo ";
; BigBlueButton: Share the development directory
[$USER]
   comment = BigBlueButton Development share
   path = /home/$USER
   browseable = yes
   read only = no
   create mask = 0755
   directory mask = 0775
   guest ok = yes
   force user = $USER
" | sudo tee -a /etc/samba/smb.conf > /dev/null 2>&1

                sudo /etc/init.d/smbd restart

        echo "
You can now access your development folder through:

        \\\\${IP}\\$USER

If you are running a development environment on Windows (such as using Eclipse or FlexBuilder),
you can map the above path to a drive letter.
"
        else
                echo "Already detected a definition for $USER in /etc/samba/smb.conf"
                echo "No changes were made to /etc/samba/smb.conf"
        fi
fi


#
# Setup the development environemnt.
#

if [ $CHECKOUT ]; then
	check_root

	# This is a step towards setting up a development environment on a non-BigBlueButton VM
	which git
	if [ $? != 0 ]; then
		echo "# Installing git and ant"
		sudo apt-get install git ant -y --force-yes
	fi
        
        BBBSRCGIT="~/dev/source/bigbluebutton"	
	if [ -d $BBBSRCGIT ]; then
		echo "# "
                echo "**** ERROR: ${BBBSRCGIT} exists. ***"
                echo "**** ERROR: You have already checked-out bigbluebutton. Please delete ${BBBSRCGIT} and try again. ***"
		echo "# "
		exit 1
        fi

        if [ ! -d ~/dev ]; then
		echo "# Creating dev directory"
		mkdir ~/dev
	fi

	echo "# Changing to the dev directory"
	cd ~/dev
	
	if [ ! -d ~/dev/source ]; then
                echo "# Creating source directory"
                mkdir ~/dev/source
        fi

	echo "# Changing to the dev directory"
        cd ~/dev/source

	echo "#                                         "
        echo "# Cloning BigBlueButton."
        echo "#                                         "
        echo "# "
        git clone $CHECKOUT
	cd ~/dev/source/bigbluebutton
	echo " Checking out version 0.7 "
 	git checkout -b 0.7-release-workspace v0.7	
        echo "# "
        echo "#                                         "
        echo "# Checked out BigBlueButton. "
        echo "#                                         "
	echo " You can now run 'bbb-conf --setup-dev [client|web|apps]' to setup dev environment "
        echo "#                                         "
fi

if [ $SETUPDEV ]; then
        check_root

        if [ ! -d ~/dev/source/bigbluebutton ]; then
                echo "# "
                echo "*** ERROR: You haven't checked-out BigBlueButton source yet. Please run 'bbb-conf --checkout' first. "
                echo "# "
		exit 1
        fi


        if [ $SETUPDEV == "web" ]; then
	    	BBBWEBHOME=~/dev/source/bigbluebutton/bigbluebutton-web
            	if [ ! -d $BBBWEBHOME ]; then
			echo "# "
			echo "*** ERROR: Cannot find ${BBBWEBHOME} "
			echo "*** ERROR: You haven't checked-out BigBlueButton source yet. Please run 'bbb-conf --checkout' first. "
			echo "# "
			exit 1
	 	fi

                echo "# Copying the bigbluebutton.properites in /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties to ~/.grails/bigbluebutton-config.properties"
                mkdir -p ~/.grails
                cp /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties ~/.grails/bigbluebutton-config.properties

                echo "# Copying the bbb_api_conf.jsp into /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties to ${BBBWEBHOME}/web-app/demo"
                cp /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp ${BBBWEBHOME}/web-app/demo

                echo "# Enabling $USER to write to /var/bigbluebutton to upload slides"
                sudo chmod -R ugo+rwx /var/bigbluebutton

                echo "# Enabling $USER to write to /var/log/bigbluebutton to write log files"
                sudo chmod -R ugo+rwx /var/log/bigbluebutton

                echo "# Copying bbb-common-message-0.7.jar into ${BBBWEBHOME}/lib"
                if [ -f $RED5_DIR/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.7.jar ]; then
                        cp /usr/share/red5/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.7.jar ${BBBWEBHOME}/lib
                fi

                echo "
# Done.  To run your local build of bbb-web:

        sudo /etc/init.d/${TOMCAT} stop
        cd ${BBBWEBHOME}
        ant
"
        fi


        if [ $SETUPDEV == "client" ]; then
		BBBCLIENTHOME=~/dev/source/bigbluebutton/bigbluebutton-client
            	if [ ! -d $BBBCLIENTHOME ]; then
                        echo "# "
                        echo "*** ERROR: Cannot find ${BBBCLIENTHOME} "
                        echo "*** ERROR: You haven't checked-out BigBlueButton source yet. Please run 'bbb-conf --checkout' first. "
                        echo "# "
                        exit 1
                fi

                #
                # Setup the directories so we can point /etc/nginx/sites-available/bigbluebutton to this
                # local copy of the client
                #
                if [ ! -d $BBBCLIENTHOME/bin ]; then
                        mkdir -p $BBBCLIENTHOME/bin
                fi

                if [ ! -d $BBBCLIENTHOME/conf ]; then
                        mkdir -p $BBBCLIENTHOME/bin/conf
                fi

                if [ ! -h $BBBCLIENTHOME/client ]; then
                        ln -s $BBBCLIENTHOME/bin $BBBCLIENTHOME/client
                fi

                echo "Modifying /etc/nginx/sites-available/bigbluebutton to point to your local copy of bbb-client"
                sudo sed -i "s/\/var\/www\/bigbluebutton;/\/home\/firstuser\/dev\/source\/bigbluebutton\/bigbluebutton-client;/g" \
                        /etc/nginx/sites-available/bigbluebutton
                sudo /etc/init.d/nginx restart

                echo "# Copying /var/www/bigbluebutton/client/conf/config.xml to ${BBBCLIENTHOME}/src/conf/config.xml"
                cp /var/www/bigbluebutton/client/conf/config.xml $BBBCLIENTHOME/src/conf/config.xml

                echo "# Copying ${BBBCLIENTHOME}/resources/dev/join-mock.xml to ${BBBCLIENTHOME}/src/conf/join-mock.xml"
                cp $BBBCLIENTHOME/resources/dev/join-mock.xml $BBBCLIENTHOME/src/conf/join-mock.xml

		if [ ! -d /var/bigbluebutton/conference-mock-default/conference-mock-default/room-mock-default ]; then
			echo "# Creating /var/bigbluebutton/conference-mock-default/conference-mock-default/room-mock-default"
                        sudo mkdir -p /var/bigbluebutton/conference-mock-default/conference-mock-default/room-mock-default
			echo "# chown /var/bigbluebutton/conference-mock-default to tomcat6"
			sudo chown -R tomcat6.tomcat6 /var/bigbluebutton/conference-mock-default
                fi

                cd $BBBCLIENTHOME

                echo "
# Done.  To build your local build of bbb-client:

        cd ${BBBCLIENTHOME}
        ant

# The nginx server now loads the BigBlueButton Flash client from
# ${BBBCLIENTHOME}.
"
        fi

        if [ $SETUPDEV == "apps" ]; then
	    	BBBAPPSHOME=~/dev/source/bigbluebutton/bigbluebutton-apps
            	if [ ! -d $BBBAPPSHOME ]; then
                        echo "# "
                        echo "*** ERROR: Cannot find ${BBBAPPSHOME} "
                        echo "*** ERROR: You haven't checked-out BigBlueButton source yet. Please run 'bbb-conf --checkout' first. "
                        echo "# "
                        exit 1
                fi

                echo "# Checking if ~/dev/repo/bbb-common-message-0.7.jar is present"
                if [ ! -f ~/dev/repo/bbb-common-message-0.7.jar ]; then
                        echo "# Copying bbb-common-message-0.7.jar into ${BBBAPPSHOME}"
                        if [ -f $RED5_DIR/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.7.jar ]; then
				if [ ! -d ~/dev/repo ]; then
                        		mkdir -p ~/dev/repo
                		fi
                                cp /usr/share/red5/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.7.jar ~/dev/repo/
                        else
                                echo "# $RED5_DIR/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.7.jar does NOT exist!"
                        fi
                fi

                #
                # We're going to make it easier to deploy by giving write access to others to
                # $RED5_DIR/webapps
                #
                sudo chmod -R o+w $RED5_DIR/webapps

                #
                # Let's remove the existing bbb-apps
                #
                if dpkg-query -s bbb-apps | grep "install ok installed" > /dev/null 2>&1; then
                        sudo apt-get purge --yes bbb-apps
                fi

                if [ ! -f ~/.bbb-apps-build.properties ]; then
                        echo "#
# Override the default properties for bbb-apps
#
red5.home = $RED5_DIR
" > ~/.bbb-apps-build.properties
                fi

 		if [ ! -L /etc/nginx/sites-enabled/bigbluebutton ]; then
                	echo "  No symbolic link in /etc/nginx/sites-enabled/bigbluebutton to /etc/nginx/sites-available/bigbluebutton "
			sudo ln -s /etc/nginx/sites-available/bigbluebutton /etc/nginx/sites-enabled/bigbluebutton
        	fi

                #
                # Setup the directories so we can point /etc/nginx/sites-available/bigbluebutton to this
                # local copy of the client
                #
                echo "
# Done.  To run your local build of bbb-apps:

    sudo /etc/init.d/red5 stop
    cd ${BBBAPPSHOME}
    gradle war deploy
    cd $RED5_DIR
    sudo -u red5 ./red5.sh

# To restore the packaged version of bbb-apps:

    rm -rf $RED5_DIR/webapps/bigbluebutton
    sudo apt-get install bigbluebutton
    sudo /etc/init.d/red5 start
"

        fi
fi

if [ $RESET_DEV ]; then
	check_root

	echo "Reseting /etc/nginx/sites-available/bigbluebutton to point to /var/www/bigbluebutton"
	sudo sed -i "s/\/home\/firstuser\/dev\/source\/bigbluebutton\/bigbluebutton-client;/\/var\/www\/bigbluebutton;/g" \
					/etc/nginx/sites-available/bigbluebutton
	sudo /etc/init.d/nginx restart
fi

check_state() {
	echo 
	print_header

	#
	# Check for potential problems in the BigBlueButton configuration
	#

	RUNNING_APPS=""
	NOT_RUNNING_APPS=""

	if ! ps aux | grep -v grep | grep "$ACTIVEMQ_DIR" > /dev/null; then
		print_header
		NOT_RUNNING_APPS="ActiveMQ"
	else
		RUNNING_APPS="ActiveMQ"
	fi	

	if ! ps aux | grep -v grep | grep 'org.red5.server.Bootstrap' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} Red5"
	else
		RUNNING_APPS="${RUNNING_APPS} Red5"
	fi	

	# Check asterisk if asterisk has been started
	# same for freeswitch	
	if [ -a /var/run/asterisk/asterisk.pid ] && [ -a /opt/freeswitch/run/freeswitch.pid ]; then
		print_header
		echo "Asterisk and Freeswitch are running parallel"
		echo "Please run bbb-conf --conference with either freeswitch or asterisk"
	elif [ -a /var/run/asterisk/asterisk.pid ]; then 
		if ! ps aux | grep -v grep | grep '[/]usr/sbin/asterisk' > /dev/null; then
				print_header
				NOT_RUNNING_APPS="${NOT_RUNNING_APPS} Asterisk"
		else
				RUNNING_APPS="${RUNNING_APPS} Asterisk"
		fi
	elif [ -a /opt/freeswitch/run/freeswitch.pid ]; then
		if ! ps aux | grep -v grep | grep '[/]opt/freeswitch/bin/freeswitch' > /dev/null; then
			print_header
			NOT_RUNNING_APPS="${NOT_RUNNING_APPS} Freeswitch"
		else
			RUNNING_APPS="${RUNNING_APPS} Freeswitch"
		fi
	fi

	if ! ps aux | grep -v grep | grep '[/]usr/lib/openoffice/program/soffice.bin' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} OpenOffice"
	else
		RUNNING_APPS="${RUNNING_APPS} OpenOffice"
	fi	

	if ! ps aux | grep -v grep | grep '[/]usr/sbin/nginx' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} Nginx"
	else
		RUNNING_APPS="${RUNNING_APPS} Nginx"
	fi	

	if ! netstat -ant | grep '8080' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} ${TOMCAT} or grails"
	else 
		if ps aux |  ps -aef | grep -v grep | grep grails | grep run-app > /dev/null; then
			print_header
			RUNNING_APPS="${RUNNING_APPS} Grails"
        		echo "  ${TOMCAT}: 	noticed you are running grails run-app instead of tomcat"
		else
			RUNNING_APPS="${RUNNING_APPS} ${TOMCAT}"
		fi
	fi

	if ! netstat -ant | grep '8100' > /dev/null; then
                print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} OpenOffice"
	else
		RUNNING_APPS="${RUNNING_APPS} OpenOffice"
        fi  

	#echo "  Running:     ${RUNNING_APPS}"
	if [ "$NOT_RUNNING_APPS" != "" ]; then
		echo "  Not Running: ${NOT_RUNNING_APPS}"
	fi


	#
	# Check if bigbluebutton is definied in nginx
	#
	if [ ! -L /etc/nginx/sites-enabled/bigbluebutton ]; then
        	echo "Nginx: bigbluebutton disabled"
        	echo "         - no symbolic link in /etc/nginx/sites-enabled/bigbluebutton to /etc/nginx/sites-available/bigbluebutton "
	fi	

	if grep -v \# /etc/nginx/sites-available/bigbluebutton | grep /home/firstuser/dev/source/bigbluebutton/bigbluebutton-client > /dev/null; then
        	echo "Nginx: serving client from /home/firstuser/dev/source/bigbluebutton/bigbluebutton-client"
        	echo "         instead of the usual /var/www/bigbluebutton"
	fi


	#
	# Check red5 applictaions
	#
	AVAIL_RED5_APPS=""
	UNAVAIL_RED5_APPS=""
	DIRECTORIES="bigbluebutton sip video deskshare"
	for dir in $DIRECTORIES ; do
		if [ ! -d $RED5_DIR/webapps/$dir ]; then
			UNAVAIL_RED5_APPS="${UNAVAIL_RED5_APPS} $dir"
		else
			AVAIL_RED5_APPS="${AVAIL_RED5_APPS} $dir"
		fi
	done

	if [ "$UNAVAIL_RED5_APPS" != "" ]; then
		echo "Unavailable Red5 apps ($RED5_DIR/webapps/): ${UNAVAIL_RED5_APPS}"
	fi


	#
	# Checking red5 apps log
	#
	RED5_LOG_FILES="bigbluebutton red5 sip video deskshare"
	AVAIL_RED5_LOG=""
	UNAVAIL_RED5_LOG=""
	for file in $RED5_LOG_FILES ; do
		if [ ! -f $RED5_DIR/log/$file.log ]; then
			UNAVAIL_RED5_LOG="${UNAVAIL_RED5_LOG} $file.log"
		else
			AVAIL_RED5_LOG="${AVAIL_RED5_LOG} $file.log"
		fi
	done

	if [ "$UNAVAIL_RED5_LOG" != "" ]; then
		echo "Unavailable Red5 logs ($RED5_DIR/log): $UNAVAIL_RED5_LOG"
	fi


	#
	# Make sure the salt for the API matches the server
	#
	SALT_PROPERTIES=$(cat /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | tr -d '\r' | sed -n '/securitySalt/{s/.*=//;p}')
	SALT_DEMO=$(cat /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp | tr -d '\r' | sed -n '/salt =/{s/.* = "//;s/".*//g;p}')

	if [ "$SALT_PROPERTIES" != "$SALT_DEMO" ]; then
		echo "Salt mismatch: "
		echo "  /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties=$SALT_PROPERTIES"
		echo "  /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp=$SALT_DEMO"
	fi


	#
	# Look for properties with no values set
	#
	CONFIG_FILES="$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties \
/var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties \
$RED5_DIR/webapps/sip/WEB-INF/bigbluebutton-sip.properties"

	for file in $CONFIG_FILES ; do
	 	if [ ! -f $file ]; then	
		 	echo "     $file not found"
		else
			if grep -q "^[^=]*=[ ]*$" $file; then
        			echo " The following properties in $file has no value."
        			echo "     $(grep '^[^=]*=[ ]*$' $file | sed 's/=//g')"
			fi
		fi
	done

	#
	# Check if any of the red5 BigBlueButton applications did not start propery
	#
	BBB_APPS="sip video bigbluebutton"
	for bbb_app in $BBB_APPS ; do
		if [ -a $RED5_DIR/log/$bbb_app.log ]; then
			if cat $RED5_DIR/log/$bbb_app.log | tail -n1 | grep -q "Starting up context"; then
				echo "    $bbb_app did not start properly"
			fi
		else
			echo "    $RED5_DIR/log/$bbb_app.log not found"
		fi
	done

	#	
	# check if sip.log has warnings where the user is not registered.  
	#
	if cat /usr/share/red5/log/sip.log | tail -n1 | grep -q "Call request for default but not registered"; then
		echo "The voice app is not registered with SIP server. Audio might not be working correctly."
	fi

	#
	# Checking if voice app registered with Asterisk successfully
	#
        if cat /usr/share/red5/log/sip.log | grep -q "Failed to register with Sip Server"; then
                echo "  The voice application failed to register with the sip server. Try running: sudo bbb-conf --clean"
        fi

	#
	# Check that tomcat6 started properly and has created log files
	#
	if [ -z "$(ls -A $TOMCAT6_LOGS)" ]; then
        	echo "                     empty directory: $TOMCAT6_LOGS contains no logs"
	fi

	#
	# Check that bigbluebutton in red5 has started propertly (less than 100 lines indicates that it
	# didn't start)
	# 
	BBB_RED5_LOG=$(stat -c%s $RED5_DIR/log/bigbluebutton.log)
	if [ $BBB_RED5_LOG -lt 100 ]; then
        	echo "       bigbluebutton failed to start: $RED5_DIR/log/bigbluebutton.log (red5)"
	fi


	#
	# Check if the IP resolves to a different host
	#
 	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')
	HOSTS=$(which host)
	if [ $HOSTS ]; then
		HOSTS=`$HOSTS $NGINX_IP | awk '{ print $4 }'`
	fi

	if [ "$IP" != "$NGINX_IP" ]; then
		if [ "$IP" != "$HOSTS" ]; then
			echo "IP does not match:"
			echo "                          IP from ifconfig: $IP"
			echo "  /etc/nginx/sites-available/bigbluebutton: $NGINX_IP"
		fi
	fi


	#
	# Check that the supporting applications are installed
	#
	VARFolder=$(cat /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep swfToolsDir | cut -d= -f2)
	if [ ! -x $VARFolder/pdf2swf ] && [ ! -x $VARFolder/jpeg2swf ] && [ ! -x $VARFolder/png2swf ]; then
			echo "pdf2swf, jpeg2swf and png2swf are not installed in $VARFolder"
	fi

	VARFolder=$(cat /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep imageMagickDir | cut -d= -f2)
	if [ ! -x $VARFolder/convert ]; then
			echo "ImageMagick's convert is not installed in $VARFolder"
	fi

	VARFolder=$(cat /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep ghostScriptExec | cut -d= -f2)
	if [ ! -x $VARFolder ]; then
			echo "Ghostscript is not installd in $VARFolder"
	fi

	#
	# Check if the deskshare module is installed but disalbed
	#
	if dpkg -l | grep -q bbb-apps-deskshare; then
		if grep -q -i '<!--[ ]*module name="DeskShareModule"' /var/www/bigbluebutton/client/conf/config.xml; then
	                echo "The DeskShare module is disabled in /var/www/bigbluebutton/client/conf/config.xml."
		fi
	else
		#check for DeskShare.log
		if [ -a $RED5_DIR/log/deskshare.log ]; then
			if cat $RED5_DIR/log/deskshare.log | tail -n1 | grep -q "Starting up context"; then
				echo "Deskshare did not start up correctly"
			fi
		fi
	fi

	#
	# Check if the local server can access the API.  This is a common problem when setting up BigBlueButton behind
	# a firewall
	#
	if ! wget http://$NGINX_IP/bigbluebutton/api -O - --quiet | grep -q SUCCESS; then 
		echo 
		echo "  This server could not connect to BigBlueButton through http://$NGINX_IP/"
		echo 
		echo "  If you are setting up BigBlueButton behind a firewall, see the FAQ"
		echo "  for steps to setup BigBlueButton behind a firewall."
		echo "  	http://code.google.com/p/bigbluebutton/wiki/FAQ"
		echo
	fi

	#
	# Check that BigBlueButton can connect to port 80, 1935, and 9123
	#

	#if ! nc -z -w 3 $NGINX_IP 80; then
	#	echo 
	#	echo "Unable to connect to port 80 on $NGINX_IP"
	#fi
	
	if ! nc -z -w 3 $NGINX_IP 1935; then
		echo 
		echo "Unable to connect to port 1935 (RTMP) on $NGINX_IP"
	fi

	if ! nc -z -w 3 $NGINX_IP 9123; then
		echo 
		echo "Unable to connect to port 9123 (desktop sharing) on $NGINX_IP"
	fi


	#
	# Check that freeswtich ESL matches the value in bigbluebutton.properties
	#
	if [ -f /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml ]; then 
		FREESWITCH_ESL_IP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		ESL_HOST=$(cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | grep esl.host | sed 's/esl.host=//g')
		if [ "$FREESWITCH_ESL_IP" != "$ESL_HOST" ]; then
			echo 
			echo "   The values for event socket layers in   "
			echo "       /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml"
			echo "   do not match the settings for esl.host in"
			echo "       /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties"
		fi
	fi

	if ! dpkg -l | grep -q bbb-freeswitch-config; then
		if ! dpkg -l | grep -q bbb-voice-conference; then
			echo 
			echo "    You don't have either bbb-freeswitch-config or bbb-voice-conference"
			echo "    installed.  Install one of these packages, then run sudo bbb-conf --clean"
			echo
		fi
	fi

	exit 0
}


#
# Print out the status of the current setup and look for bugs.
#
if [ $CHECK ]; then
	echo "Server"
	echo "                    Kernel version:" `uname -r`

	if [ -e /etc/lsb-release ]; then
		source /etc/lsb-release;
		echo -n "                      Distribution: $DISTRIB_DESCRIPTION "
	fi

	if [ `uname -m` == "x86_64" ]; then
		echo "64bit"
	elif [ `uname -m` == "i686" ]; then
		echo "32bit"
	fi

	MEM=`free -m | grep Mem | awk '{ print $2}'`
	echo "                            Memory: $MEM MB"

	echo
	echo "/var/www/bigbluebutton/client/conf/config.xml"
	IP=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/porttest /{s/.*host="//;s/".*//;p}')
	echo "  		Port test (tunnel): $IP"

	IP=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/uri.*video/{s/.*rtmp:\/\///;s/\/.*//;p}')
	echo "                              Red5: $IP"

#        HOST=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/recordingHost/{s/.*recordingHost="http:\/\///;s/"//;p}')
#        echo "          host for bbb-web interface: $HOST"

	echo
	echo "/etc/nginx/sites-available/bigbluebutton"
	IP=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')
	echo "                       server name: $IP"

	PORT=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/listen/{s/.*listen[ ]*//;s/;//;p}')
	echo "                              port: $PORT"

	BBB_CLIENT_DOC_ROOT=$(cat /etc/nginx/sites-available/bigbluebutton | grep \/client -A 1 | head -n 2 | grep root | sed -n '{s/[ ]*root[ ]*//;s/;//;p}')
	echo "                    bbb-client dir: $BBB_CLIENT_DOC_ROOT"

	IP=$(cat /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
	echo
	echo "/var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties (bbb-web)"
	echo "                      bbb-web host: $IP"

	if [ -f /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp ]; then
		IP=$(cat /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp  | sed -n '/String BigBlueButtonURL/{s/.*http:\/\///;s/\/.*//;p}' | tr -d '\015')
		echo
		echo "/var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp (API demos)"
		echo "                  bbb-web-api host: $IP"
	fi

	if  ps aux | grep '[/]usr/sbin/asterisk' > /dev/null; then
		CONFERENCING_MODULE="$(cat $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | sed -n '/asterisk.application/{s/.*=[ ]*//g;p}')"
	else
		CONFERENCING_MODULE="FreeSWITCH"
	fi

	echo
	echo "/usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml"
	echo "                  voice conference: $CONFERENCING_MODULE"

	check_state
	echo ""

	exit 0
fi

#
# Check current setup
#
if [ $ZIP ]; then
	need_root

	LOG_FILE="$(date +'%Y%m%d')-$(date +%H)"
	#
	# Check log files
	#
	rm -f /tmp/$LOG_FILE.tar
	rm -f /tmp/$LOG_FILE.tar.gz
	rm -f /tmp/a

	touch /tmp/empty
	tar cf /tmp/$LOG_FILE.tar /tmp/empty			> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar $RED5_DIR/log			> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar $TOMCAT6_LOGS			> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar /var/log/bigbluebutton/*	> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar /var/log/nginx/error.log	> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar /var/log/syslog		> /dev/null 2>&1

	tar tf /tmp/$LOG_FILE.tar
	gzip /tmp/$LOG_FILE.tar
	mv /tmp/$LOG_FILE.tar.gz /root/$LOG_FILE.tar.gz
	echo
	echo "  Created: /root/$LOG_FILE.tar.gz"
	echo
fi

#
# Check current setup
#
if [ $DEBUG ]; then
	need_root
	#
	# Check log files
	#

	rm -rf /tmp/t
	grep ERROR /var/log/bigbluebutton/* > /tmp/t
	if [ -s /tmp/t ]; then
		echo "  -- ERRORS found in /var/log/bigbluebutton/* -- "
		cat /tmp/t
		echo
	fi

	rm -rf /tmp/t
	grep Exception /var/log/bigbluebutton/* | grep -v CacheExceptionHandlerFactory > /tmp/t
        if [ -s /tmp/t ]; then
                echo "  -- ERRORS found in /var/log/bigbluebutton/* -- "
                cat /tmp/t
                echo
        fi


	rm -rf /tmp/t
	grep ERROR $RED5_DIR/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- ERRORS found in $RED5_DIR/log/* -- "
		cat /tmp/t
 		echo
	fi


	rm -rf /tmp/t
	grep Exception $RED5_DIR/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- Exceptions found in $RED5_DIR/log/* -- "
		cat /tmp/t
		echo
	fi

	rm -rf /tmp/t
	if [ -f /var/log/asterisk ]; then 
		find /var/log/asterisk -exec grep -H -i "Unable to register" '{}' \; > /tmp/t
		if [ -s /tmp/t ]; then
			echo "   -- Registration errors found in /var/log/asterisk/ -- "
			echo "Found $(cat /tmp/t | wc -l) errors in /var/log/asterisk/* containing string \"Unable to register\""
			echo
		fi
	fi

	rm -rf /tmp/t
	sudo grep Exception $TOMCAT6_LOGS/* | grep -v CacheExceptionHandlerFactory > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- Exceptions found in $TOMCAT6_LOGS/ -- "
		cat /tmp/t
		echo
	fi

        rm -rf /tmp/t
        if [ -s /var/log/nginx/error.log ]; then
                cat /var/log/nginx/error.log | grep -v "/fcs/ident2" > /tmp/t
                if [ -s /tmp/t ]; then
                        echo "   -- Errors found in /var/log/nginx/error.log -- "
                        cat /tmp/t
                        echo
                fi
        fi

	rm -rf /tmp/t
	if [ ! is_gentoo ]; then sudo grep -v "No Voicetronix cards detected" /var/log/asterisk/* | grep ERROR > /tmp/t 
	  if [ -s /tmp/t ]; then
		echo "   -- Errors found in /var/log/asterisk/* -- "
		cat /tmp/t
		echo
	  fi
	fi

	rm -rf /tmp/t
	if [ ! is_gentoo ]; then sudo grep -i exception /var/log/syslog > /tmp/t 
	  if [ -s /tmp/t ]; then
		echo "   -- Errors found in /var/log/syslog -- "
		cat /tmp/t
		echo
	  fi
	fi

	rm -rf /tmp/t
	if [ -d /var/log/bigbluebutton ]; then
		if [ ! is_gentoo ]; then 
		  sudo grep ERROR /var/log/bigbluebutton/* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Errors found in /var/log/bigbluebutton -- "
			cat /tmp/t
			echo
		  fi
		fi
	fi

	rm -rf /tmp/t
	if [ -d /var/log/bigbluebutton ]; then
		if [ ! is_gentoo ]; then
		  sudo grep -i exception /var/log/bigbluebutton/* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Exceptions found in /var/log/bigbluebutton -- "
			cat /tmp/t
			echo
		  fi
		fi
	fi

	exit 0
fi



# if asked to print the version that's all we do
if [ -n "$HOST" ]; then
	#
	# Just use the IP for port test in /var/www/bigbluebutton/client/conf/config.xml
	#
	echo "Assigning $HOST for testing for firewall in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/porttest host=\(\"[^\"]*\"\)/porttest host=\"$HOST\"/g" /var/www/bigbluebutton/client/conf/config.xml

	echo "Assigning $HOST for rtmp:// in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/rtmp:\/\/\([^\"\/]*\)\([\"\/]\)/rtmp:\/\/$HOST\2/g" /var/www/bigbluebutton/client/conf/config.xml

	echo "Assigning $HOST for servername in /etc/nginx/sites-available/bigbluebutton"
	sudo sed -i "s/server_name  .*/server_name  $HOST;/g" /etc/nginx/sites-available/bigbluebutton

	#
	# Use port for remaining substitutions
	#
	if [ $PORT ]; then
		HOST="$HOST:$PORT"
	fi

	#
	# Update configuration for BigBlueButton client
	#
	echo "Assigning $HOST for http:// in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/http:\/\/\([^\"\/]*\)\([\"\/]\)/http:\/\/$HOST\2/g" /var/www/bigbluebutton/client/conf/config.xml


	#
	# Update configuration for BigBlueButton web app
	#
	echo "Assigning $HOST for web application URL in /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"

	sudo sed -i "s/bigbluebutton.web.serverURL=http:\/\/.*/bigbluebutton.web.serverURL=http:\/\/$HOST/g" \
				/var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties

    # 3 paramenter: the file, the variable name, the new value
	# echo "Assigning $HOST for FreeSWITCH Event Socket Layer URL in /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"
	# change_var_ip /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties esl.host $HOST

	# cat /var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties

	#
	# Update nginx
	#

	if [ $PORT ]; then
		echo "Assigning $PORT for listen in /etc/nginx/sites-available/bigbluebutton"
		sudo sed -i "s/listen  .*/listen  $PORT;/g" /etc/nginx/sites-available/bigbluebutton
	fi

	if ! grep -q server_names_hash_bucket_size /etc/nginx/nginx.conf; then
		sudo sed -i "s/gzip  on;/gzip  on;\n    server_names_hash_bucket_size  64;/g" /etc/nginx/nginx.conf
	fi

	#
	# Update api demos
	#

	if [ -f /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp ]; then
		echo "Assigning $HOST for api demos in /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp"
		sudo sed -i "s/BigBlueButtonURL = \"http:\/\/\([^\"\/]*\)\([\"\/]\)/BigBlueButtonURL = \"http:\/\/$HOST\2/g" \
			/var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp
	fi

	#
	# Update Freeswitch config
	#
	# Not needed -- we can keep this at 127.0.0.1
	#
	#HOSTIP=$(ifconfig | grep -v '127.0.0.1' | grep -m 1 'inet addr:' | cut -d: -f2 | awk '{ print $1}');
	#if [ -f /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml ]; then
	#	EVENTIP=$(cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
	#		sed -i "s/$EVENTIP/$HOSTIP/g" \
	#			/opt/freeswitch/conf/autoload_configs/event_socket.conf.xml
	#fi

	#
	# Update bigbluebutton-sip.properties
	#
	# Not needed -- we can keep this at 127.0.0.1
	#
	#SIPIP=$(cat /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties | grep 'sip.server.host' | cut -d= -f2)
	#if [ -f /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties ]; then
	#	sed -i "s/$SIPIP/$HOSTIP/g" \
	#			/usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties
	#fi

	echo "Restarting the bigbluebutton server ..."
	stop_bigbluebutton
	echo
	start_bigbluebutton

	exit 0
fi

if [ $CONFERENCE ]; then
	need_root

	if [ ! -f $RED5_DIR/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml ]; then
		echo "Error: Unable to find $RED5_DIR/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml"
		exit 1
	fi

	if [ "$CONFERENCE" = "freeswitch" ]; then
		CONFERENCE=freeswitch
	elif [ "$CONFERENCE" = "meetme" ]; then
		CONFERENCE=meetme
	else 
		if [ "$CONFERENCE" = "konference" ]; then
			CONFERENCE=app_konference
		else
			echo "Error: Valid options for --conference are: meetme, konference, freeswitch"
			exit 1
		fi
	fi

	if [ $CONFERENCE = "meetme" ]; then
	        if [ ! -f /etc/asterisk/bbb_extensions.conf ]; then
                	echo "Error: Unable to find /etc/asterisk/bbb_extensions.conf"
                	exit 1
        	fi

		#
		# update $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
		# test this as a hack to check if the ip stays in listen-ip for event-conf.xml
		# -- XXX
		# EVENTIP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		
		sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=meetme/g" \
		$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/^exten => _XXXX.,n,Konference(\${EXTEN},H)/; exten => _XXXX.,n,Konference(\${EXTEN},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/;[ ]*exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/; exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/^exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/; exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		echo "Switching to $CONFERENCE ... "
		if [ -f /etc/init.d/freeswitch ]; then
			sudo /etc/init.d/freeswitch stop
			sudo update-rc.d -f freeswitch remove >/dev/null
		fi

		sudo update-rc.d asterisk defaults 21 > /dev/null

		sudo /etc/init.d/asterisk restart
		sudo /etc/init.d/red5 restart
	fi
 
	if [ $CONFERENCE = "app_konference" ]; then
	        if [ ! -f /etc/asterisk/bbb_extensions.conf ]; then
                	echo "Error: Unable to find /etc/asterisk/bbb_extensions.conf"
                	exit 1
        	fi

		#
		# update $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
		# EVENTIP=$(cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		# sed -i 's/$EVENTIP/$HOST/g' \
		#	/opt/freeswitch/conf/autoload_configs/event_socket.conf.xml

	        sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=konference/g" \
			$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/;[ ]*exten => _XXXX.,n,Konference(\${EXTEN},H)/exten => _XXXX.,n,Konference(\${EXTEN},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/^exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/; exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf


		sudo sed -i "s/^exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/; exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/; exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/g" \
			/etc/asterisk/bbb_extensions.conf

                if [ -f /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml ]; then
                        sudo sed -i 's/<import resource="bbb-voice-freeswitch.xml"\(.*\)\/>/<import resource="bbb-voice-asterisk.xml"\1\/>/g' \
                        /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml
                fi

		echo "Switching to $CONFERENCE ... "
		if [ -f /etc/init.d/freeswitch ]; then
			sudo /etc/init.d/freeswitch stop
			sudo update-rc.d -f freeswitch remove >/dev/null
		fi

		sudo update-rc.d asterisk defaults 21 > /dev/null

		sudo /etc/init.d/asterisk restart
		sudo /etc/init.d/red5 restart
	fi

	if [ $CONFERENCE = "freeswitch" ]; then
		# check if freeswitch is installed
		if [ ! -d /opt/freeswitch ]; then
			echo "Freeswitch is not installed"
			exit 1;
		fi
		# switch the red5-web.xml from asterisk to freeswitch
		if [ -f /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml ]; then
			sudo sed -i 's/<import resource="bbb-voice-asterisk.xml"\(.*\)\/>/<import resource="bbb-voice-freeswitch.xml"\1\/>/g' \
			/usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml
		fi

		#if [ -f /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml ]; then
        	#	EVENTIP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		#        sed -i "s/$EVENTIP/$IP/g" \
        	#       /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml
		#fi


		echo "Switching to $CONFERENCE ... "
		if [ -f /etc/init.d/asterisk ]; then
			sudo /etc/init.d/asterisk stop
			sudo update-rc.d -f asterisk remove >/dev/null
		fi

		update-rc.d freeswitch defaults >/dev/null

		sudo /etc/init.d/freeswitch start
		sudo /etc/init.d/red5 restart
	fi
fi

if [ $RESTART ]; then
	need_root
	echo "Restarting BigBlueButton ..."

	stop_bigbluebutton
	echo
	display_bigbluebutton_status
	echo
	start_bigbluebutton
fi

if [ $CLEAN ]; then
	need_root
	
	echo "Doing a clean restart of BigBlueButton ..."

	stop_bigbluebutton

	#
	# Clean log files
	#

	echo 
	echo "Cleaning Log Files ..."
	rm -f /var/log/asterisk/event* 
	rm -f /var/log/asterisk/messages* 
	rm -f /var/log/asterisk/queue* 
	rm -f /var/log/bigbluebutton/bbb-web.log*
	
	if [ $RED5_DIR ]; then
		rm -rf $RED5_DIR/log/*
	fi

	if [ $TOMCAT6_LOGS ]; then
		rm -rf $TOMCAT6_LOGS/*
	fi

	rm -rf /var/log/nginx/*
	mv /var/log/syslog /tmp/syslog.$$
	echo "" > /var/log/syslog

	display_bigbluebutton_status

	echo ""
	start_bigbluebutton
fi

if [ $NETWORK ]; then
	netstat -ant | egrep ":1935|:9123|:80\ " | egrep -v ":::|0.0.0.0" > /tmp/t_net
	REMOTE=$(cat /tmp/t_net | cut -c 45-68 | cut -d ":" -f1 | sort | uniq)

	if [ "$REMOTE" != "" ]; then
        	echo -e "netstat\t\t\t80\t1935\t9123"
        	for IP in $REMOTE ; do
			PORT_1935=$(cat /tmp/t_net | grep :1935 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l)
			PORT_9123=$(cat /tmp/t_net | grep :9123 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l )
			PORT_80=$(cat /tmp/t_net | grep :80 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l )

           	echo -e "$IP\t\t$PORT_80\t$PORT_1935\t$PORT_9123"
        	done
	fi
fi

if [ $WATCH ]; then
	need_root

	watch -n 2 "top -n 1 -b | head -n 5; echo; asterisk -r -x \"core show channels\"; echo; bbb-conf --network; bbb-conf --debug"
fi