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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) 2013 Aleksander Morgado <aleksander@gnu.org>
#
# Based on libqmi's qmi-network script
#
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/mbim-network-state
PROFILE_FILE=/etc/mbim-network.conf
load_profile ()
{
if [ -f $PROFILE_FILE ]; then
echo "Loading profile..."
source $PROFILE_FILE
if [ "x$APN" != "x" ]; then
echo " APN: $APN"
fi
fi
}
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 $STATE_FILE
if [ "x$TRID" != "x" ]; then
echo " Previous Transaction ID: $TRID"
fi
fi
}
clear_state ()
{
echo "Clearing state..."
rm -f $STATE_FILE
}
#
# $ sudo mbimcli -d /dev/cdc-wdm0 --connect="Internet" --no-close
# [/dev/cdc-wdm0] Successfully connected
# [/dev/cdc-wdm0] Connection status:
# Session ID: '0'
# Activation state: 'activated'
# Voice call state: 'none'
# IP type: 'ipv4'
# Context type: 'internet'
# Network error: 'unknown'
#
connect ()
{
# Always try to connect using a fresh session
if [ "x$TRID" != "x" ]; then
mbimcli -d $DEVICE --no-open=$TRID
clear_state
fi
ATTACH_CMD="mbimcli -d $DEVICE --attach-packet-service --no-close"
echo "Attaching to packet service with '$ATTACH_CMD'..."
ATTACH_OUT=`$ATTACH_CMD`
# Save the new TRID
TRID=`echo "$ATTACH_OUT" | sed -n "s/.*TRID.*'\(.*\)'.*/\1/p"`
if [ "x$TRID" != "x" ]; then
save_state "TRID" $TRID
fi
CONNECT_CMD="mbimcli -d $DEVICE --connect=$APN --no-open=$TRID --no-close"
echo "Starting network with '$CONNECT_CMD'..."
CONNECT_OUT=`$CONNECT_CMD`
if [ $? -eq 0 ]; then
echo "Network started successfully"
else
echo "Network start failed"
echo $CONNECT_OUT
fi
# Save the new TRID
TRID=`echo "$CONNECT_OUT" | sed -n "s/.*TRID.*'\(.*\)'.*/\1/p"`
if [ "x$TRID" != "x" ]; then
save_state "TRID" $TRID
fi
}
#
# $ sudo mbimcli -d /dev/cdc-wdm0 --disconnect="0"
# [/dev/cdc-wdm0] Successfully disconnected
# [/dev/cdc-wdm0] Connection status:
# Session ID: '0'
# Activation state: 'deactivated'
# Voice call state: 'none'
# IP type: 'default'
# Context type: 'internet'
# Network error: 'unknown'
#
disconnect ()
{
# Always close the session when disconnecting
if [ "x$TRID" != "x" ]; then
DISCONNECT_CMD="mbimcli -d $DEVICE --disconnect --no-open=$TRID"
else
DISCONNECT_CMD="mbimcli -d $DEVICE --disconnect"
fi
echo "Stopping network with '$DISCONNECT_CMD'..."
DISCONNECT_OUT=`$DISCONNECT_CMD`
if [ $? -eq 0 ]; then
echo "Network stopped successfully"
else
echo "Network stop failed"
echo $DISCONNECT_OUT
fi
clear_state
}
#
# $ sudo mbimcli -d /dev/cdc-wdm0 --query-connection-state --no-close
# [/dev/cdc-wdm0] Connection status:
# Session ID: '0'
# Activation state: 'deactivated'
# Voice call state: 'none'
# IP type: 'default'
# Context type: 'none'
# Network error: 'unknown'
#
status ()
{
if [ "x$TRID" != "x" ]; then
STATUS_CMD="mbimcli -d $DEVICE --query-connection-state --no-close --no-open=$TRID"
else
STATUS_CMD="mbimcli -d $DEVICE --query-connection-state"
fi
echo "Getting status with '$STATUS_CMD'..."
STATUS_OUT=`$STATUS_CMD`
# Save the new TRID
TRID=`echo "$STATUS_OUT" | sed -n "s/.*TRID.*'\(.*\)'.*/\1/p"`
if [ "x$TRID" != "x" ]; then
save_state "TRID" $TRID
fi
CONN=`echo "$STATUS_OUT" | sed -n "s/.*Activation state:.*'\(.*\)'.*/\1/p"`
if [ "x$CONN" = "x" ]; then
echo "error: couldn't get connection status" 1>&2
exit 2
else
echo "Status: $CONN"
if [ "x$CONN" != "xconnected" ]; then
exit 64
fi
fi
}
# Main
# Load profile, if any
load_profile
# Load previous state, if any
load_state
# Process commands
case $COMMAND in
"start")
connect
;;
"stop")
disconnect
;;
"status")
status
;;
*)
echo "error: unexpected command '$COMMAND'" 1>&2
print_usage
exit 255
;;
esac
exit 0
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