#!/bin/bash
#
# Copyright (c) 2008-2009 by BigBlueButton
#
# 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 3 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

set -x

#
# This ensures that we checkout the 0.63 release of BigBlueButton
#   Note that this can be overridden with the --trunk option
#
RELEASE="-r 3489"

#
# SVNPROTO is http if read-only, or https if you specify a Google code username
# SVNUSERNAME is blank if read-only, or '--username ${arg}' if you specify a Google code username
# 
SVNPROTO="http"
SVNUSERNAME=""
GENTOO=$(uname -r | grep gentoo | cut -d- -f2);
TOMCAT=""

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 [ "$(is_redhat)" ]; then
	TOMCAT="tomcat6"
	RED5_DIRECTORY="/usr/share/red5"
	ACTIVEMQ_DIRECTORY="/usr/share/activemq"
	TOMCAT6_LOGS="/var/log/${TOMCAT}"
elif [ "$(is_gentoo)" ]; then
	TOMCAT="tomcat-6"
	RED5_DIRECTORY="/usr/share/red5"
	ACTIVEMQ_DIRECTORY="/usr/share/activemq"
	TOMCAT6_LOGS="/var/lib/${TOMCAT}/logs"
else 
	if [ "$(is_ubuntu)" ]; then
		TOMCAT="tomcat6"
		RED5_DIRECTORY="/usr/share/red5"
		ACTIVEMQ_DIRECTORY="/usr/share/activemq"
		TOMCAT6_LOGS="/var/lib/${TOMCAT}/logs"
	fi
fi


print_header() {
	if [ ! $HEADER ]; then
		echo
		echo "** Potential Problems **"
		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 Server Utility - Version 0.64"
        echo
        echo "$0 [options]"
        echo
        echo "Configuration:"
        echo "   --version                        Display BigBlueButton version (packages)"
        echo "   --setip <host>                   Set IP/hostname for BigBlueButton"
        echo "   --conference [konference|meetme] Switch conference module in Asterisk"
        echo
        echo "Monitoring:"
        echo "   --check                          Check for configuration problems"
        echo "   --debug                          Scan the log files for error messages"
        echo "   --watch                          San the log files for error messages every 2 seconds"
        echo
        echo "Administration":
        echo "   --restart                        Restart BigBueButton"
        echo "   --clean                          Clear all the log files and restart BigBlueButton"
        echo "   --zip                            Zip up log files for reporting an error"
        echo
        if [ "$(is_vm)" ]; then
                echo "Development:"
                echo "   --setup-samba                    Setup samba share for development (VM only)"
                echo "   --setup-dev [bbb-web|bbb-client|bbb-apps] "
                echo "   --reset-dev                      Reset environment back to using packages"
                echo "   --trunk                          Checkout trunk instead of last release"
                echo "   --svn-username [user]            Your Google code username if you want to "
                echo "                                      commit from the checked out code"
        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
}
# 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
        /etc/init.d/asterisk stop
        /etc/init.d/activemq stop

}

start_bigbluebutton () {
	/etc/init.d/asterisk start
	/etc/init.d/activemq start
	sleep 5
	/etc/init.d/nginx start
	/etc/init.d/red5 start
	/etc/init.d/${TOMCAT} start
}

display_bigbluebutton_status () {
	/etc/init.d/asterisk 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" = "-h" -o "$1" = "-help" -o "$1" = "?" -o "$1" = "--help" ]; then
		usage
		exit 1
	fi

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

	#
	# all other parameters requires at least 1 argument
	#
	
	if [ $# -lt 2 ]; then
		usage
		exit 1
	fi

	if [ "$1" = "-setip" -o "$1" = "--setip" ]; then
		HOST="${2}"
		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}"
		shift; shift
		continue
	fi		

	if [ "$1" = "--svn-username" -o "$1" = "-svn-username" ]; then
		SVNUSERNAME="--username ${2}"
		SVNPROTO="https"
		shift; shift
		continue
	fi		

	if [ "$1" = "--trunk" -o "$1" = "-trunk" ]; then
		# replace the value for for RELEASE because we don't want
		#  a particular release
		RELEASE=""
		shift
		continue
	fi		

	if [ "$1" = "--conference" -o "$1" = "-conference" ]; then
		CONFERENCE="${2}"
		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


#
# 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

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

                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/samba 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 [ $SETUPDEV ]; then
	check_root

	# This is a step towards setting up a development environment on a non-BigBlueButton VM
	which svn
	if [ $? != 0 ]; then
		sudo apt-get install subversion ant -y --force-yes
	fi

        if [ ! -d ~/dev ]; then
		mkdir ~/dev
	fi

	if [ $SETUPDEV == "bbb-web" ]; then
            if [ ! -d ~/dev/bbb-web ]; then

		echo "# Setting up ~/dev/bbb-web"
                echo "  svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-web bbb-web ${RELEASE} ${SVNUSERNAME}"

                cd ~/dev
                svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-web bbb-web $RELEASE $SVNUSERNAME

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

		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/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties to ~/dev/bbb-web/web-app/demo"
		cp /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp ~/dev/bbb-web/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-0.64.jar into ~/dev/bbb-web/lib"
		if [ -f $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.64.jar ]; then
			cp /usr/share/red5/webapps/bigbluebutton/WEB-INF/lib/bbb-common-message-0.64.jar ~/dev/bbb-web/lib
		fi

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

	sudo /etc/init.d/${TOMCAT} stop
	cd ~/dev/bbb-web
	ant
"
            fi
	fi

	if [ $SETUPDEV == "bbb-client" ]; then
            if [ ! -d ~/dev/bbb-client ]; then

		echo "# Setting up ~/dev/bbb-client"
                echo "  svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-client bbb-client ${RELEASE} ${SVNUSERNAME}"

                cd ~/dev
                svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-client bbb-client $RELEASE $SVNUSERNAME

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

        	if [ ! -d ~/dev/bbb-client/bin/conf ]; then
			mkdir -p ~/dev/bbb-client/bin/conf
		fi

		if [ ! -h ~/dev/bbb-client/client ]; then
			ln -s ~/dev/bbb-client/bin ~/dev/bbb-client/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\/bbb-client;/g" \
			/etc/nginx/sites-available/bigbluebutton
		sudo /etc/init.d/nginx restart	

		echo "# Copying /var/www/bigbluebutton/client/conf/config.xml to ~/dev/bbb-client/bin/conf/config.xml"
		cp /var/www/bigbluebutton/client/conf/config.xml ~/dev/bbb-client/bin/conf/config.xml

		cd bbb-client

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

	cd ~/dev/bbb-client
	ant

# The nginx server now loads the BigBlueButton Flash client from 
# /home/firstuser/dev/bbb-client.
"
	    fi
	fi

	if [ $SETUPDEV == "bbb-apps" ]; then
            if [ ! -d ~/dev/bbb-apps ]; then

		echo "# Setting up ~/dev/bbb-apps:"
  		echo "  svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-apps bbb-apps ${RELEASE} ${SVNUSERNAME}"
           
                cd ~/dev
                svn checkout ${SVNPROTO}://bigbluebutton.googlecode.com/svn/trunk/bigbluebutton-apps bbb-apps $RELEASE $SVNUSERNAME
            
             fi 

		#
		# We're going to make it easier to deploy by giving write access to others to 
		# $RED5_DIRECTORY/webapps
		#
		sudo chmod o+w $RED5_DIRECTORY/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_DIRECTORY
" > ~/.bbb-apps-build.properties
		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 ~/dev/bbb-apps
    gradle war deploy
    cd $RED5_DIRECTORY			
    sudo -u red5 ./red5.sh		

# To restore the packaged version of bbb-apps:

    rm -rf $RED5_DIRECTORY/webapps/bigbluebutton
    sudo apt-get install bbb-apps
    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\/bbb-client;/\/var\/www\/bigbluebutton;/g" \
                        /etc/nginx/sites-available/bigbluebutton
        sudo /etc/init.d/nginx restart

fi

getIPOfDomain() {
	ipOfDomain=$(host $1 | cut -d\  -f 4)

	if [ $ipOfDomain != "out;" ]; then
		echo $ipOfDomain
	fi
}

check_state() {

	echo

	#
	# Check for potential problems
	#
	if ! ps aux | grep "$ACTIVEMQ_DIRECTORY" > /dev/null; then
		print_header
        	echo "                            activeMQ: -- not running --"
	fi	

	if ! ps aux | grep 'org.red5.server.Bootstrap' > /dev/null; then
		print_header
        	echo "                                red5: -- not running --"
	fi	

	if ! ps aux | grep '[/]usr/sbin/asterisk' > /dev/null; then
		print_header
        	echo "                            asterisk: -- not running --"
	fi	

	if ! ps aux | grep '[/]usr/sbin/nginx' > /dev/null; then
		print_header
        	echo "                              ngingx: -- not running --"
	fi	

	if ! netstat -ant | grep '8080' > /dev/null; then
		print_header
        	echo "                             ${TOMCAT}: -- not running --"
	else 
		if ps aux |  ps -aef | grep grails | grep run-app > /dev/null; then
			print_header
        		echo "                             ${TOMCAT}: noticed you are running grails run-app instead of tomcat"
		fi
	fi

	if [ ! -L /etc/nginx/sites-enabled/bigbluebutton ]; then
		print_header
        	echo "                        nginx (conf): no symbolic link in /etc/nginx/sites-enabled for bigbluebutton"
	fi	

	if grep -v \# /etc/nginx/sites-available/bigbluebutton | grep /home/firstuser/dev/bbb-client > /dev/null; then
		print_header
        	echo "                        nginx (conf): noticed that location for cient is /home/firstuser/dev/bbb-client"
        	echo "                                      instead of the usual /var/www/bigbluebutton"
	fi

	DIRECTORIES="bigbluebutton sip video"
	for dir in $DIRECTORIES ; do
		if [ ! -d $RED5_DIRECTORY/webapps/$dir ]; then
        		echo "                   missing red5 app: $RED5_DIRECTORY/webapps/$dir "
		fi
	done

	RED5_LOG_FILES="bigbluebutton red5 sip video"
	for file in $RED5_LOG_FILES ; do
		if [ ! -f $RED5_DIRECTORY/log/$file.log ]; then
        		echo "                   missing red5 log: $RED5_DIRECTORY/log/$file.demo"
		fi
	done

	#
	# 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: salt in bigbluebutton.properties and bbb_api_conf.jsp do not match"
	fi

	#
	# Look for properties with no values set
	#
	CONFIG_FILES="$RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties \
/var/lib/${TOMCAT}/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties \
$RED5_DIRECTORY/webapps/sip/WEB-INF/bigbluebutton-sip.properties"

	for file in $CONFIG_FILES ; do
		if grep -q "^[^=]*=[ ]*$" $file; then
        		echo "            empty parameter(s) found: $(grep '^[^=]*=[ ]*$' $file | sed 's/=//g') ($file)"
		fi
	done

	#
	# 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 
	# 
	BIGBLUEBUTTON_RED5_LOG=$(stat -c%s $RED5_DIRECTORY/log/bigbluebutton.log)
	if [ $BIGBLUEBUTTON_RED5_LOG -lt 100 ]; then
        	echo "       bigbluebutton failed to start: $RED5_DIRECTORY/log/bigbluebutton.log (red5)"
	fi

	HOST_IP=$(ifconfig | grep -v '127.0.0.1' | grep -m 1 'inet addr:' | cut -d: -f2 | awk '{ print $1}')
 	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')

	if [ "$HOST_IP" != "$NGINX_IP" ]; then
		NGINX_DOMAIN_IP=$(getIPOfDomain $NGINX_IP)

		if [ "$HOST_IP" != "$NGINX_DOMAIN_IP" ]; then
			echo "Host IP does not match BigBlueButton: ${HOST_IP} != ${NGINX_IP}"
		fi
	fi

x=$(host demo.bigbluebutton.org | cut -d\  -f 4)

	echo
	exit 0
}


#
# Check current setup
#
if [ $CHECK ]; then

        echo "Current Configuration:"

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

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

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

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

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

        HOST=$(cat /var/lib/${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 "                                host: $HOST"

	if [ -f /var/lib/${TOMCAT}/webapps/bigbluebutton/demo/bbb_api_conf.jsp ]; then
        	HOST=$(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 "                                host: $HOST"
	fi

        if  ps aux | grep '[/]usr/sbin/asterisk' > /dev/null; then
        	CONFERENCING_MODULE=$(cat $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | sed -n '/asterisk.application/{s/.*=[ ]*//g;p}')
        	echo
        	echo "/etc/asterisk/bbb_extensions.conf (asterisk)"
        	echo "                   conference module: $CONFERENCING_MODULE"
	fi

	check_state

	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 $RED5_DIRECTORY/log		> /dev/null 2>&1
	tar rf /tmp/$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 $RED5_DIRECTORY/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- ERRORS found in $RED5_DIRECTORY/log/* -- "
		cat /tmp/t
		echo
	fi


	rm -rf /tmp/t
	grep Exception $RED5_DIRECTORY/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- Exceptions found in $RED5_DIRECTORY/log/* -- "
		cat /tmp/t
		echo
	fi

	rm -rf /tmp/t
	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

	rm -rf /tmp/t
	sudo grep Exception $TOMCAT6_LOGS/* > /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

	# 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


	echo "Restarting ${TOMCAT} and nginx ..."
	sudo /etc/init.d/${TOMCAT} restart  > /tmp/result 2>&1;cat /tmp/result;rm /tmp/result
	sudo /etc/init.d/nginx restart

	exit 0
fi

if [ $CONFERENCE ]; then
	need_root

	if [ ! -f $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml ]; then
		echo "Error: Unable to find $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml"
		exit 1
	fi

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

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

        if [ $CONFERENCE = "meetme" ]; then
		#
		# update $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
	        sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=meetme/g" \
			$RED5_DIRECTORY/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
	fi
 
        if [ $CONFERENCE = "app_konference" ]; then
		#
		# update $RED5_DIRECTORY/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
	        sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=konference/g" \
			$RED5_DIRECTORY/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
	fi

	echo "Switching to $CONFERENCE ... "
	sudo /etc/init.d/asterisk restart
	sudo /etc/init.d/red5 restart
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* 
	
	if [ $RED5_DIRECTORY ]; then
		rm -rf $RED5_DIRECTORY/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 )
			#if cat /tmp/t_net | grep 9123 | cut -c 45-68 | cut -d ":" -f1 | grep $IP > /dev/null; then
			#	DESKSHARE="   XXX"
			#fi

                	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