#!/bin/bash
trap "" 2 20
#
verifica_erro()
{
RESULTADO=$1
MODULO=$2
TIPO=$3

if [ "$RESULTADO" != "0" ] ; then
        clear
        if [ "$TIPO" = "DESINSTALAR" ] ; then
                echo "Erro durante a desinstalacao do Modulo $MODULO"
        else
                echo "Erro durante a instalacao do Modulo $MODULO, favor verificar as dependencias"
        fi
        /bin/rm -rf /tmp/install_simplesip.pid
        exit $RESULTADO
fi
}

#Descobrindo o caminho do script
dir=$(dirname $0)
path_arquivo=$(cd  $dir;pwd)
arquitetura=$(uname -m)
log=/var/log/instaladores_simplesip.log
versao_linux=$(cat /etc/redhat-release | sed 's/[a-zA-Z() ]//g' | cut -d "." -f 1)
[ -e $path_arquivo/dependencias_simplesip.txt ] && pacotes_centos=$(cat $path_arquivo/dependencias_simplesip.txt)
declare -x data=$(date +%F-%H-%M-%S)

#Verifica se o script esta rodando

if [ -e /tmp/install_simplesip.pid ] ; then
	clear
        echo "Script em Excecucao..."
        exit
fi


#Gera PID do scritp
echo $$ > /tmp/install_simplesip.pid

#Realizando backup da pasta de gravacoes
if [ -d /var/spool/asterisk/monitor ] ; then
        cd /var/spool/asterisk/monitor/
        raiz_monitor=$(pwd -P | cut -d "/" -f2)

        if [ "$raiz_monitor" = "var" ] ; then
                mkdir -p /hdaux/gravacoes-$data
                /bin/mv -f  /var/spool/asterisk/monitor /hdaux/gravacoes-$data/
        else
                mkdir -p /$raiz_monitor/gravacoes-$data
                /bin/mv -f  /var/spool/asterisk/monitor /$raiz_monitor/gravacoes-$data/
        fi
fi

[ -d /etc/asterisk ] && /bin/cp -Rapf /etc/asterisk /tmp/etc_asterisk-$data
[ -d /var/lib/asterisk ] && /bin/cp -Rapf /var/lib/asterisk /tmp/var_lib_asterisk-$data

[ -L /usr/src/libpri ] && unlink /usr/src/libpri
[ -L /usr/src/asterisk ] && unlink /usr/src/asterisk

#Desistalando Pacotes anteriores
if [ 0 -ne $(find /usr/src/ -name "channel*.sh" | wc -l) ] ; then
        echo "Desinstalando KHOMP"
        bash $(find /usr/src/ -name "channel*.sh" | sort | tail -n1 | xargs ls -1tr | tail -n1) -j
        RESULT=$?
        verifica_erro $RESULT KHOMP DESINSTALAR
fi

if [ 0 -ne $(find /usr/src -name "spandsp-*" -type d -print | wc -l) ] ; then
        echo "Desinstalando SPANDSP"
        cd $(find /usr/src -name "spandsp-*" -type d -print | xargs ls -d1tr | tail -n1)
        make uninstall >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT SPANDSP DESINSTALAR
fi

if [ 0 -ne $(find /usr/src -name "libpri-*" -type d -print | wc -l) ] ; then
        echo "Desinstalando LIBPRI"
        cd $(find /usr/src -name "libpri-*" -type d -print | xargs ls -d1tr | tail -n1)
        make uninstall >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT LIBPRI DESINSTALAR
fi

if [ 0 -ne $(find /usr/src -name "dahdi-linux-*" -type d -print | wc -l) ] ; then
        echo "Desinstalando DAHDI"
        cd $(find /usr/src -name "dahdi-linux-*" -type d -print | xargs ls -d1tr | tail -n1)/linux/
        make uninstall >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT DAHDI DESINSTALAR
fi

if [ 0 -ne $(find /usr/src -name "asterisk-*" -type d -print | wc -l) ] ; then
        echo "Desinstalando ASTERISK"
        cd $(find /usr/src -name "asterisk-*" -type d -print | xargs ls -d1tr | tail -n1)
        make uninstall-all >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT ASTERISK DESINSTALAR
fi

[ -e /etc/init.d/vlibd ] && chkconfig --level 35 vlibd off && rm -rf /etc/init.d/vlibd
[ -e /etc/init.d/dgvfifo ] && chkconfig --level 35 dgvfifo off && rm -rf /etc/init.d/dgvfifo
[ -e /etc/init.d/dahdi ] && chkconfig --level 35 dahdi off && rm -rf /etc/init.d/dahdi
[ -e /etc/init.d/khomp-services ] && chkconfig --level 35 khomp-services off && rm -rf /etc/init.d/khomp-services
[ -L /usr/src/libpri ] && unlink /usr/src/libpri
[ -L /usr/src/asterisk ] && unlink /usr/src/asterisk
/bin/rm -rf /usr/src/instaladores
/bin/rm -rf /usr/src/asterisk*
/bin/rm -rf /usr/src/libpri*
/bin/rm -rf /usr/src/dahdi*
/bin/rm -rf /usr/src/spandsp*
/bin/rm -rf /usr/src/channel_*
/bin/rm -rf /usr/src/usr/src/openr2-*
/bin/rm -rf /etc/asterisk
/bin/rm -rf /var/lib/asterisk
/bin/rm -rf /usr/lib/asterisk

mkdir -p /usr/src/instaladores

#Iniciando Instalacao
cd $path_arquivo/
/bin/cp -Rapf *.gz /usr/src/instaladores/
/bin/cp -Rapf pjproject-* /usr/src/instaladores/

if [ -e $path_arquivo/dependencias_simplesip.txt ] ; then
    clear
    echo "##########################################"
    echo "#        VERIFICANDO DEPENDENCIAS        #"
    echo "##########################################"

    [ $versao_linux -ne 7 ] && pacotes_centos=$(cat $path_arquivo/dependencias_simplesip.txt | grep -v "libsqlite3x-devel")
    for i in $pacotes_centos ; do [ -z "$(rpm -qa | grep ^$i)" ] && echo "Falta o pacote $i" && DEPENDENCIA=1; done

    if [ "$DEPENDENCIA" == "1" ] ; then
            echo ""
            echo ""
            echo "Instale os pacotes acima para continuar"
            /bin/rm -rf /tmp/install_simplesip.pid
            exit 1
    fi
fi

if [ "$arquitetura" = "i686" ] ; then
	/bin/cp -Rapf khomp/*i686*.gz /usr/src/instaladores/
else
	/bin/cp -Rapf khomp/*64*.gz /usr/src/instaladores/
fi

echo "/usr/local" > /etc/ld.so.conf.d/spandsp.conf
echo "/usr/local/lib" >> /etc/ld.so.conf.d/spandsp.conf

dahdi=$(ls -1 /usr/src/instaladores/dahdi-*.tar.gz 2> /dev/null)
if [ -f "$dahdi" ] ; then
        echo "Instalando DAHDI"
        sleep 1
        tar -zxf /usr/src/instaladores/dahdi-*.tar.gz -C /usr/src
        RESULT=$?
        verifica_erro $RESULT DESCOMPACTANDO_DAHDI
        cd /usr/src/dahdi-*
        make clean >> $log 2>&1
        make all >> $log 2>&1
        make install >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT DAHDI_INSTALL
        make config >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT DAHDI_CONFIG
        /bin/cp -Rapf /etc/dahdi/modules /etc/dahdi/modules.ori
        echo "" > /etc/dahdi/modules
fi

libpri=$(ls -1 /usr/src/instaladores/libpri-*.tar.gz 2> /dev/null)
if [ -f "$libpri" ] ; then
	echo "Instalando LIBPRI"
	sleep 1
	tar -zxf /usr/src/instaladores/libpri-*.tar.gz -C /usr/src
        RESULT=$?
        verifica_erro $RESULT DESCOMPACTANDO_LIBPRI
	ln -s $(find /usr/src -name "libpri-1*" -type d -print) /usr/src/libpri
	cd /usr/src/libpri-*
	make clean >> $log 2>&1
	make >> $log 2>&1
	make install >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT LIBPRI
fi

asterisk=$(ls -1 /usr/src/instaladores/asterisk-*.tar.gz 2> /dev/null)
if [ -f "$asterisk" ] ; then
	echo "Instalando ASTERISK"
	sleep 1
	/bin/rm -rf /tmp/pjproject-*
	/bin/cp -Rapf /usr/src/instaladores/pjproject-* /tmp/
	tar -zxf /usr/src/instaladores/asterisk-*.tar.gz -C /usr/src
        RESULT=$?
        verifica_erro $RESULT DESCOMPACTANDO_ASTERISK
	ln -s $(find /usr/src -name "asterisk-*" -type d -print) /usr/src/asterisk
	cd /usr/src/asterisk-*
	make clean >> $log 2>&1
	./configure  --prefix=/usr --libdir=/usr/lib$(getconf LONG_BIT | grep "64") --with-pjproject-bundled >> $log 2>&1
	make >> $log 2>&1
	make install >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT ASTERISK_INSTALL
	make samples >> $log 2>&1
	make config >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT ASTERISK_CONFIG

	#Colocando o asterisk na inicializacao do servidor
	/bin/mv -f /etc/init.d/asterisk /etc/init.d/rc.pbx
	if [ "$versao_linux" = "7" ] ; then
            /bin/systemctl enable rc.pbx.service
            /bin/systemctl enable dahdi.service
        else
            LINHA=$(cat -n /etc/init.d/rc.pbx | egrep "start\(\) {" | grep -v "restart" | awk {'print $1'})
            sed -i "$LINHA a\sleep 30 #Bug psql no centos6" /etc/init.d/rc.pbx    
            sed -i "39s/$/sleep 30/" /etc/init.d/rc.pbx
            chkconfig --add rc.pbx
            chkconfig --add dahdi
            chkconfig --level 35 rc.pbx on
            chkconfig --level 35 dahdi on
        fi
        
        #Codec
        cd $path_arquivo/
        [ -d codec ] && /bin/cp -Rapf codec/$arquitetura/codec*.so /usr/lib$(getconf LONG_BIT | grep "64")/asterisk/modules/

fi

khomp=$(ls -1 /usr/src/instaladores/channel_*.gz 2> /dev/null)
if [ -f "$khomp" ] ; then
	echo "Instalando KHOMP"
	sleep 1
	cp -Rap /usr/src/instaladores/channel_*.gz /usr/src/
	cd /usr/src
	gzip -d channel_*.sh.gz
        RESULT=$?
        verifica_erro $RESULT KHOMP_GZIP
	printf 'y\n' | bash channel_*.sh >> $log 2>&1
        RESULT=$?
        verifica_erro $RESULT KHOMP_BASH_CHANNEL
	echo "noload => chan_khomp.so" >> /etc/asterisk/modules.conf
fi

sleep 2

rm -rf /usr/src/instaladores
if [ "$path_arquivo" != "/usr/src/instaladores_simplesip" ] ; then
        [ -d /usr/src/instaladores_simplesip ] && rm -rf /usr/src/instaladores_simplesip
        /bin/mv -f $path_arquivo /usr/src/
        rm -rf $path_arquivo*.tar.gz
fi

[ -d /tmp/etc_asterisk-$data ] && /bin/mv -f /tmp/etc_asterisk-$data/* /etc/asterisk/
[ -d /tmp/var_lib_asterisk-$data ] && for i in $(ls -1 /tmp/var_lib_asterisk-$data/) ; do /bin/rm -rf /var/lib/asterisk/$i && /bin/mv -f /tmp/var_lib_asterisk-$data/$i /var/lib/asterisk/ ; done

[ -e /root/original-ks.cfg ] && /bin/rm -rf /root/original-ks.cfg
[ -e /root/anaconda-ks.cfg ] && /bin/rm -rf /root/anaconda-ks.cfg
[ -e /root/install.log ] && /bin/rm -rf /root/install.log
[ -e /root/install.log.syslog ] && /bin/rm -rf /root/install.log.syslog
[ -e /root/script_pos2.log ] && /bin/rm -rf /root/script_pos2.log
rm -rf /tmp/install_simplesip.pid