qmi-connect

#!/usr/bin/env bash
## QMI connection
## usage: qmi-connect [options]
## options:
##  -a <apn>
##  -d <device>     qmi control device (/dev/cdc-wdmX)
##  -i <iface>      Network interface (e.g. wwan0)
##  -c <cid>        client id
##  -p <ip_type>    IP type (IPv4=4 IPv6=6) [default: 4]
##  -s <session_id> [default:0]
##  -t <table>      create routing table configuration file
##  -v              Verbose enabled [default: 0]

_ip_type=4
_session_id=0
[ $# -eq 0 ] && sed -ne 's/^## \(.*\)/\1/p' $0 && exit 1
while getopts 'ha:d:i:c:p:s:t:v' OPT; do
    case $OPT in
        h)
            sed -ne 's/^## \(.*\)/\1/p' $0
            exit 1
            ;;
        a)
            _apn=$OPTARG
            ;;
        d)
            _device=$OPTARG
            ;;
        i)
            _iface=$OPTARG
            ;;
        c)
            _cid=$OPTARG
            ;;
        p)
            _ip_type=$OPTARG
            ;;
        s)
            _session_id=$OPTARG
            ;;
        t)
            _table=$OPTARG
            ;;
        v)
            _v=1
            ;;
        \?)
            echo "---"
            sed -ne 's/^## \(.*\)/\1/p' $0
            exit 1
            ;;
    esac
done

source qmi-lib
[ ! -z $_v ] && verbose=" --verbose "
[ ! -z $_cid ] && client_cid=" --client-cid=$_cid "

set -x
sudo qmicli $verbose -p -d $_device --wds-start-network=apn=$_apn,ip-type=$_ip_type --client-no-release-cid $client_cid
set +x

if [ ! -z $_table ]; then
    output=$(mktemp /tmp/qmi-stateXXX)
    set -x
    sudo qmicli $verbose -p -d $_device --wds-get-current-settings --client-no-release-cid $client_cid | tee $output
    set +x
    parse_output $output $_session_id $_table
    echo RMNET=$(sudo qmicli -p -d $_device --get-wwan-iface) >> $output
    rm $output
fi