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#!/bin/sh
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, version 2.
#
# This program 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 General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2012 Aleksander Morgado <aleksander@gnu.org>
print_usage ()
{
echo "usage: $0 [DEVICE] [COMMAND]"
}
if [ $# -ne 2 ]; then
echo "error: missing arguments" 1>&2
print_usage
exit 255
fi
DEVICE=$1
COMMAND=$2
STATE_FILE=/tmp/qmi-network-state
save_state ()
{
KEY=$1
VAL=$2
echo "Saving state... ($KEY: $VAL)"
if [ -f $STATE_FILE ]; then
PREVIOUS=`cat $STATE_FILE`
PREVIOUS=`echo "$PREVIOUS" | grep -v $KEY`
if [ "x$PREVIOUS" != "x" ]; then
echo $PREVIOUS > $STATE_FILE
else
rm $STATE_FILE
fi
fi
if [ "x$VAL" != "x" ]; then
echo "$KEY=\"$VAL\"" >> $STATE_FILE
fi
}
load_state ()
{
if [ -f $STATE_FILE ]; then
echo "Loading previous state..."
source $STATE_FILE
if [ "x$CID" != "x" ]; then
echo " Previous CID: $CID"
fi
if [ "x$PDH" != "x" ]; then
echo " Previous PDH: $PDH"
fi
fi
}
clear_state ()
{
echo "Clearing state..."
rm -f $STATE_FILE
}
# qmicli -d /dev/cdc-wdm0 --wds-start-network --client-no-release-cid
# [/dev/cdc-wdm0] Network started
# Packet data handle: 3634026241
# [/dev/cdc-wdm0] Client ID not released:
# Service: 'wds'
# CID: '80'
start_network ()
{
if [ "x$CID" != "x" ]; then
USE_PREVIOUS_CID="--client-cid=$CID"
fi
if [ "x$PDH" != "x" ]; then
echo "error: cannot re-start network, PDH already exists" 1>&2
exit 3
fi
START_NETWORK_CMD="qmicli -d $DEVICE --wds-start-network $USE_PREVIOUS_CID --client-no-release-cid"
echo "Starting network with '$START_NETWORK_CMD'..."
if [ "x$QMIDEBUG" != "x" ]; then
START_NETWORK_OUT="\
[/dev/cdc-wdm0] Network started
Packet data handle: '3634026241'
[/dev/cdc-wdm0] Client ID not released:
Service: 'wds'
CID: '80'"
else
START_NETWORK_OUT=`$START_NETWORK_CMD`
fi
# Save the new CID if we didn't use any before
if [ "x$CID" = "x" ]; then
CID=`echo "$START_NETWORK_OUT" | grep CID | sed "s/'//g" | awk 'BEGIN { FS = ":" } ; { print $2 }'`
if [ "x$CID" = "x" ]; then
echo "error: network start failed, client not allocated" 1>&2
exit 1
else
save_state "CID" $CID
fi
fi
PDH=`echo "$START_NETWORK_OUT" | grep handle | sed "s/'//g" | awk 'BEGIN { FS = ":" } ; { print $2 }'`
if [ "x$PDH" = "x" ]; then
echo "error: network start failed, no packet data handle" 1>&2
# Cleanup the client
qmicli -d "$DEVICE" --wds-noop --client-cid="$CID"
clear_state
exit 2
else
save_state "PDH" $PDH
fi
echo "Network started successfully"
}
# qmicli -d /dev/cdc-wdm0 --wds-stop-network
stop_network ()
{
if [ "x$CID" = "x" ]; then
echo "Network already stopped"
elif [ "x$PDH" = "x" ]; then
echo "Network already stopped; need to cleanup CID $CID"
# Cleanup the client
qmicli -d "$DEVICE" --wds-noop --client-cid="$CID"
else
STOP_NETWORK_CMD="qmicli -d $DEVICE --wds-stop-network=$PDH --client-cid=$CID"
echo "Stopping network with '$STOP_NETWORK_CMD'..."
if [ "x$QMIDEBUG" != "x" ]; then
STOP_NETWORK_OUT="\
[/dev/cdc-wdm0] Network stopped
"
else
STOP_NETWORK_OUT=`$STOP_NETWORK_CMD`
fi
echo "Network stopped successfully"
fi
clear_state
}
# qmicli -d /dev/cdc-wdm0 --wds-get-packet-service-status
packet_service_status ()
{
if [ "x$CID" != "x" ]; then
USE_PREVIOUS_CID="--client-cid=$CID --client-no-release-cid"
fi
STATUS_CMD="qmicli -d $DEVICE --wds-get-packet-service-status $USE_PREVIOUS_CID"
echo "Getting status with '$STATUS_CMD'..."
if [ "x$QMIDEBUG" != "x" ]; then
STATUS_OUT="\
[/dev/cdc-wdm0] Connection status: 'disconnected'
"
else
STATUS_OUT=`$STATUS_CMD`
fi
CONN=`echo "$STATUS_OUT" | grep "Connection status" | sed "s/'//g" | awk 'BEGIN { FS = ":" } ; { print $2 }'`
if [ "x$CONN" = "x" ]; then
echo "error: couldn't get packet service status" 1>&2
exit 2
else
echo "Status: $CONN"
if [ "x$CONN" != "xconnected" ]; then
exit 64
fi
fi
}
# Main
# Load previous state, if any
load_state
# Process commands
case $COMMAND in
"start")
start_network
;;
"stop")
stop_network
;;
"status")
packet_service_status
;;
*)
echo "error: unexpected command '$COMMAND'" 1>&2
print_usage
exit 255
;;
esac
exit 0
|
