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|
#!/bin/bash
NAME="lora-packet-forwarder"
ENABLED="yes"
[ -f /etc/default/$NAME ] && source /etc/default/$NAME
run_dir=/var/run/lora
conf_file=/var/config/lora/global_conf.json
conf_file_local=/var/config/lora/local_conf.json
opt_conf_file=/opt/lora/global_conf.json
opt_conf_file_local=/opt/lora/local_conf.json
log_file=/var/log/lora-pkt-fwd.log
pkt_fwd=$run_dir/1/lora_pkt_fwd
pkt_fwd_log=/var/log/lora-pkt-fwd-1.log
pkt_fwd_pidfile=$run_dir/lora-pkt-fwd-1.pid
lora_mtcap_id="MTCAP-LORA"
lora_mtcap_id868="MTCAP-LORA-868"
lora_mtcap_id915="MTCAP-LORA-915"
read_lora_hw_info() {
# product-id of first lora card
lora_id=$(mts-io-sysfs show lora/product-id 2> /dev/null)
lora_eui=$(mts-io-sysfs show lora/eui 2> /dev/null)
# remove all colons
lora_eui_raw=${lora_eui//:/}
lora_hw=$(mts-io-sysfs show lora/hw-version 2> /dev/null)
}
hardware_found() {
if [[ "$lora_id" =~ "$lora_mtcap_id" ]]; then
#
# create /opt/lora/global_conf.json based on detected LORA card
#
if [ "$lora_id" = "$lora_mtcap_id868" ]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTCAP_LORA_1_5.EU868
elif [ "$lora_id" = "$lora_mtcap_id915" ]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTCAP_LORA_1_5.US915
else
return 1
fi
cp $GLOBAL_CONF $opt_conf_file
echo "Setting gateway_id in $opt_conf_file to $lora_eui_raw"
sed -i "s/\"gateway_ID\": \".*\"/\"gateway_ID\": \"$lora_eui_raw\"/" $opt_conf_file
#
# copy global_json.conf and local_json.conf files to /var/config/ if it is not there yet
#
if ! [ -f $conf_file ]; then
mkdir -p /var/config/lora/
cp $opt_conf_file $conf_file
cp $opt_conf_file_local $conf_file_local
fi
ln -sf /opt/lora/lora_pkt_fwd $pkt_fwd
else
return 1
fi
}
do_start() {
# create run directory
mkdir -p $run_dir/1
rm -rf $run_dir/1/*
read_lora_hw_info
if hardware_found; then
echo "Found $lora_id with $lora_hw hardware"
else
echo "$0: LORA not detected"
exit 1
fi
# copy conf files to the run directory
if [ -f $conf_file ]; then
cp $conf_file $run_dir/1/
fi
if [ -f $conf_file_local ]; then
cp $conf_file_local $run_dir/1/
fi
# start packet forwarder
echo -n "Starting $NAME: "
/usr/sbin/start-stop-daemon --chdir $run_dir/1 --background --start --make-pidfile \
--pidfile $pkt_fwd_pidfile --startas /bin/bash -- -c "exec $pkt_fwd > $log_file 2>&1"
renice -n -20 -p $(pgrep $(basename $pkt_fwd))
echo "OK"
}
do_stop() {
echo -n "Stopping $NAME: "
start-stop-daemon --stop --quiet --oknodo --pidfile $pkt_fwd_pidfile --retry 5
rm -f $pkt_fwd_pidfile
echo "OK"
}
if [ "$ENABLED" != "yes" ]; then
echo "$NAME: disabled in /etc/default"
exit
fi
case "$1" in
"start")
do_start
;;
"stop")
do_stop
;;
"restart")
## Stop the service and regardless of whether it was
## running or not, start it again.
do_stop
do_start
;;
*)
## If no parameters are given, print which are avaiable.
echo "Usage: $0 {start|stop|restart}"
exit 1
;;
esac
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