#!/bin/bash
# (C)2009 DatuX - Released under GPL



#voer asterisk commando uit via cli
asterisk_cmd()
{
	CMD="asterisk -r -x '$1'"
	VERIFYEXIT=0
	sshtest 	
	return $?
}

asterisk_errorcheck()
{
	DESCRIPTION1="check op fouten in logs.."
	CMD="
	cat /var/log/asterisk/full | 
		egrep '(WARNING|ERROR|abandoning)' |
		grep -v 'chan_misdn'    |  		# voor het testen zonder isdn kaart
		grep -v 'app_queue.*fullname' |		# dit field word dor asterisk genegeerd maar is nodig voor asterisk_gui
		grep -v 'Failed to write frame' | 	# gebeurd na opnemen voicemail
		grep -v 'Unable to write frame to channel' | 	# gebeurd bij meetme wel eens
		grep -v 'Channel .SIP/105-.* sent into invalid extension' | #ook voicemail
		grep -v 'No SMDI interfaces' | # res_smdi is nodig voor voicemail, maar klaagt over interfaces
		grep -v 'ast_expr2.fl:' |   		# asterisk_gui configureeerd FOLLOW_ME variabelle niet in extensions.conf
		grep -v 'app_fax is untested' |
		grep -v 'app_voicemail.c: maxsilence'  		

	"
	VERIFYNEGATIVE=".*"
	sshtest || exit 1
}

#send a pjsua command
pjsua_cmd()
{
	echo "pjsua: Sending command '$1'"
	echo "$1" >> pjsua.in
}

#wait for specific pjsua output text
LINES=1
pjsua_wait()
{
	#DEBUG:
	asterisk_errorcheck

	COUNT=$TIMEOUT
	while true; do
		echo "pjsua: Waiting for '$1'..."
		if tail -n +"$LINES" pjsua.log | egrep -i "$1"; then
		    echo "pjsua: Found '$1'";
		    LINES=`cat pjsua.log|wc -l`
		    (( LINES++ ))
		    return 0
		fi
		(( COUNT-- ))
		if [ "$COUNT" == "0" ]; then
			echo "pjsua: Not found '$1'"
   			LINES=`cat pjsua.log|wc -l`
			(( LINES++ ))
			return 1
		fi
		pjsua_cmd ""
		sleep 1;
	done
}

#restart pjsua. use this to reset everything
#WARNING: patch./pjsip/include/pjsua-lib/pjsua.h by setting PJSUA_MAX_ACC to 10000 !
pjsua_restart()
{
	trap "kill -9 %1" 0

	####restart pjsua sip client
	killall -9 pjsua
	sleep 1
	echo -n > pjsua.in
	echo -n > pjsua.log

	tail -s .1 -f pjsua.in | pjsua --app-log-level=3 $PJSUA_OPTS | egrep --line-buffered '(pjsua)' | tee pjsua.log & 
#	tail -s .1 -f pjsua.in | pjsua --app-log-level=3 | tee pjsua.log & 

	#wait for init
	pjsua_wait "initialized" || exit 1
}


## De pjsua_... zijn de VAGE lowlevel functies om met pjsua te communiceren. 
## De sip_... functies zijn DUIDELIJKE wrappers om standaard dingen te doen, die je in testcases gebruikt. (bellen ophangen etc)

#register new sip account
sip_register()
{
	info "sip: Registering $1@$IP (password test)"
	pjsua_cmd "+a"
	pjsua_cmd "sip:$1@$IP"
	pjsua_cmd "sip:$1@$IP"
	pjsua_cmd "*"
	pjsua_cmd "$1"
	pjsua_cmd "test" #password moet altijd 'test' zijn!
 
	if ! [ "$NOWAIT" ]; then
		pjsua_wait "$1@$IP.*registration success"
		return $?
	fi
	NOWAIT=
	return 0
}

sip_call()
{
	info "sip: Calling $1"
	pjsua_cmd "]"
	pjsua_cmd "m"
	pjsua_cmd "sip:$1@$IP"

	pjsua_wait "changed to CALLING"
	return $?
}

sip_waitanswer()
{
	info "sip: Wait until call is answered"
	pjsua_wait "changed to CONFIRMED"
	return $?
}

sip_waithangup()
{
	info "sip: Wait until call is ended"
	pjsua_wait "is DISCONNECTED"
	return $?
}


sip_hangup()
{
	info "sip: Hang up all calls"
	pjsua_cmd "ha"
	sip_waithangup
	return $?
}

sip_answer()
{
	info "sip: Answer call"
	OLDTIMEOUT=$TIMEOUT
	TIMEOUT=1
	COUNT=10
	#find the call..
	while ! sip_waitanswer; do
		pjsua_cmd "]"
		pjsua_cmd ""
		pjsua_cmd "a"
		pjsua_cmd "200"
		sleep 1
		(( COUNT-- ))
		[ "$COUNT" == 0 ] && return 1
	done

	TIMEOUT=$OLDTIMEOUT

	return $?
}

sip_transfer()
{
	info "sip: Transferring call to $1"
	pjsua_cmd "x"
	pjsua_cmd "sip:$1@$IP"
	pjsua_wait "transfered successfully"
	return $?
}

sip_hold()
{
	info "sip: Holding call"
	pjsua_cmd "H"
	pjsua_wait "is suspended"
	return $?
}

sip_unhold()
{
	info "sip: Un-hold call"
	pjsua_cmd "v"
	pjsua_wait "Media for call.*active"
	return $?
}

sip_dtmf()
{
	#ALS DIT NIET WERKT, HEB JE EEN FIREWALL ISSUE MET SYN3 BAK - ZET FIREWALL HELEMAAL OPEN
	info "sip: Sending DTMF: $1"
	pjsua_cmd "#"
	pjsua_cmd "$1"
	sleep 2 # give asterisk time to react
	return $?
}

#6 seconds of sounds
makesound()
{
 	#mplayer  /usr/kde/3.5/share/sounds/KDE_Startup_3.ogg || exit 1
	echo "MAKE SOUND!!!!"
	sleep 6
}