target/linux/mmp/base-files/sbin/wsetup

#!/bin/sh
#
# wan setup: dial and setup ip/dns/route 
#
##usage:
#parameters:
#	CID=$1	,cid for the pdp - optional parameter
#			 if empty than for LTE: cid=4, 3G: cid=1  
#	APN=$2	,APN name - optional parameter
#	IP_TYPE=$3	,IP type (IP, IPV6, IPV4V6)
#	AUTO=$4	,optional parameter, AUTO=0/1
#	if auto is set than wsetup will wait upon attach
#	max waiting time is 3 sec * 40 MAX_TRY = 120 sec			

deactive_if_active(){
status=`serial_atcmd "AT+CGACT?"`
error=`echo $status | grep -i ERROR`
if [ "$error" != "" ]; then
	echo "CGDACT? READ ERROR"
	exit 3
fi

configured=`echo "$status" | grep "$(($CID+1)),1"`
if [ -z "$configured" ]; then
	return
fi

status=`serial_atcmd "AT+CGACT=0,$(($CID+1))"`
error=`echo $status | grep -i ERROR`
if [ "$error" != "" ]; then
	echo "CGDACT DEACTIVATE ERROR"
	exit 3
fi
}

configure_pdp(){
status=`serial_atcmd "AT+CGDCONT=$(($CID+1)),\"$IP_TYPE\",\"$APN\",\"\",0,0"`
error=`echo $status | grep -i ERROR`
if [ "$error" != "" ]; then
	echo "CGDCONT SET ERROR"
	exit 3
fi
}

activate_pdp(){
status=`serial_atcmd "AT+CGACT=1,$(($CID+1))"`
error=`echo $status | grep -i ERROR`
if [ "$error" != "" ]; then
	echo "CGACT SET ERROR"
	exit 3
fi
}

set_and_activate_pdp(){
deactive_if_active
configure_pdp
activate_pdp
}

cleanup_cid()
{
	uci delete network.wan$CID.ipaddr > /dev/null 2>&1
	uci delete network.wan$CID.netmask > /dev/null 2>&1
	uci delete network.wan$CID.gateway > /dev/null 2>&1
	uci delete network.wan$CID.ip6addr > /dev/null 2>&1
	uci delete network.wan$CID.dns > /dev/null 2>&1
}

set_dns(){
# Configure DNS
DNS_PRIMARY=`echo "$status" | awk -F "," '{print $6}' | tr -d '"'`
DNS_SECOND=`echo "$status" | awk -F "," '{print $7}' | tr -d '"'`

if [ -n "$DNS_PRIMARY" ]; then
	uci add_list network.wan$CID.dns=$DNS_PRIMARY
fi

if [ -n "$DNS_SECOND" ]; then
	uci add_list network.wan$CID.dns=$DNS_SECOND
fi
}

check_success(){
status=`serial_atcmd "AT+CGACT?"`
error=`echo $status | grep -i ERROR`
if [ "$error" != "" ]; then
	echo "CGDACT? READ ERROR"
	exit 3
fi

configured=`echo "$status" | grep "$(($CID+1)),1"`
if [ -z "$configured" ]; then
	echo "wsetup: connect failed!"
	exit 3
else
	ERR_STAT=0
	echo "wsetup connect success CID=$CID APN=$APN"
fi
}

#################
# main entrance #
#################

CID=$1
APN=$2
IP_TYPE=$3
AUTO=$4

ERR_STAT=1
logfile="./wsetup.log"
TRY=0
MAX_TRY=40

if [ "$AUTO" == "1" ]; then
	echo "AUTO MODE LOG" > $logfile
fi

if [ -z "$IP_TYPE" ]; then
	IP_TYPE="IP"
fi

while [ $ERR_STAT -eq 1 ]; do
	if [ "$AUTO" == "1" ]; then
		echo "TRY=$TRY" >> $logfile
		let TRY+=1
		sleep 3
		if [ $TRY -eq $MAX_TRY ]; then
			exit 1
		fi
	fi

	## check AT channel
	status=`serial_atcmd "AT" | grep OK`
	if [ -z "$status" ]; then
		if [ "$AUTO" == "1" ]; then
			echo "AT CHANNEL ERROR" >> $logfile
			continue
		else
			echo "AT CHANNEL ERROR"
			exit 1
		fi
	fi

	## check SIM avilable
	status=`serial_atcmd "AT+CPIN?" | grep READY`
	if [ -z "$status" ]; then
		if [ "$AUTO" == "1" ]; then
			echo "SIM CARD NOT AVAILABLE" >> $logfile
			continue
		else
			echo "SIM CARD NOT AVAILABLE"
			exit 1
		fi
	fi

	## check registration
	rat=`serial_atcmd "AT+COPS?" | grep COPS | awk -F "," '{print $NF}'`

	if [ -z "$rat" ]; then
		if [ "$AUTO" == "1" ]; then
			echo "COPS READ ERROR" >> $logfile
			continue
		else
			echo "COPS READ ERROR"
			exit 3
		fi
	fi

	if [ $rat != 7 ]; then
		## check registration 2G/3G
		status=`serial_atcmd "AT+CGREG?" | grep CGREG | awk -F "," '{print $2}'`
		if [ "$status" != "1" ] && [ "$status" != "5" ]; then
			if [ "$AUTO" == "1" ]; then
				echo "REGISTERATION FAILED" >> $logfile
				continue
			else
				echo "REGISTERATION FAILED"
				exit 1
			fi
		fi
		#in case of 3G cid=0 is the default case
		if [ -z "$CID" ]; then
			CID=0
		fi
		set_and_activate_pdp
	else
		## check registration 4G
		status=`serial_atcmd "AT+CEREG?" | grep CEREG | awk -F "," '{print $2}'`
		if [ "$status" != "1" ] && [ "$status" != "5" ]; then
			if [ "$AUTO" == "1" ]; then
				echo "REGISTERATION FAILED" >> $logfile
				let TRY+=1
				continue
			else
				echo "REGISTERATION FAILED"
				exit 1
			fi
		fi
		if [ -z "$CID" ]; then
			#in case of LTE cid=4 is the default case
			CID=4
		fi
		if [ $CID -ne 4 ]; then
			#Activate PDP only for MO case
			set_and_activate_pdp
		fi
	fi

	# Configure WAN
	status=`serial_atcmd "AT+CGPIAF=1,0,0,1"`
	error=`echo $status | grep -i ERROR`
	if [ "$error" != "" ]; then
		echo "CGPIAF READ ERROR"
		exit 3
	fi

	status=`serial_atcmd "AT+CGDCONT?"`
	error=`echo $status | grep -i ERROR`
	if [ "$error" != "" ]; then
		echo "CGDCONT? READ ERROR"
		exit 3
	fi

	PROTO=`echo "$status" | grep "CGDCONT: $(($CID+1))" | awk -F "," '{print $2}' | tr -d '"'`
	IPV6=`echo "$PROTO" | grep 6`
	IPV4=`echo "$PROTO" | grep -v "IPV6"`
	WAN_IP=`echo "$status" | grep "CGDCONT: $(($CID+1))" | awk -F "," '{print $4}' | tr -d '"'`

	cleanup_cid
	uci set network.wan$CID.ifname=ccinet$CID
	uci set network.wan$CID.proto=static
	if [ -n "$IPV4" ]; then
		WAN_IP4_IP=`echo $WAN_IP | cut -d " " -f1`
		WAN_IP=`echo $WAN_IP | cut -d " " -f2`
		uci set network.wan$CID.ipaddr=$WAN_IP4_IP
		uci set network.wan$CID.netmask=255.255.255.255
		uci set network.wan$CID.gateway=$WAN_IP4_IP
	fi
	if [ -n "$IPV6" ]; then
		uci set network.wan$CID.ip6addr=$WAN_IP/64
	fi

	status=`serial_atcmd "AT+CGCONTRDP=$(($CID+1))"`
	error=`echo $status | grep -i ERROR`
	if [ "$error" != "" ]; then
		echo "CGCONTRDP READ ERROR"
		exit 3
	fi

	status=`echo $status | grep CGCONTRDP`
	set_dns

	status=`echo $status | awk -F "CGCONTRDP:" '{print $3}'`
	if [ -n "$status" ]; then
		#IPv6 DNS again for Ipv6
		set_dns
	fi

	# Save changes
	uci commit network
	/etc/init.d/network reload

	ifup wan$CID
	if [ -n "$IPV6" ]; then
		ifup wan6$CID
	fi
	check_success
done