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#!/bin/bash
NAME="lora-network-server"
LOCK="/var/lock/$NAME"
ENABLED="yes"
[ -f /etc/default/$NAME ] && source /etc/default/$NAME
run_dir=/var/run/lora
conf_dir=/var/config/lora
conf_file=$conf_dir/lora-network-server.conf
net_server=/opt/lora/lora-network-server
net_server_log=/var/log/lora-network-server.log
net_server_pidfile=$run_dir/$NAME.pid
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
port1=/sys/devices/platform/mts-io/ap1
port2=/sys/devices/platform/mts-io/ap2
lora_mtac_id="MTAC-LORA"
lora_1_0_hw="MTAC-LORA-1.0"
lora_1_5_h_hw="MTAC-LORA-1.5"
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() {
# MTCDT only
if [ -d $port1 ] && [[ $(cat $port1/hw-version) = $lora_hw ]]; then
ln -sf /dev/spidev32766.2 /dev/spidev0.0
elif [ -d $port2 ] && [[ $(cat $port2/hw-version) = $lora_hw ]]; then
ln -sf /dev/spidev32765.2 /dev/spidev0.0
fi
if [[ "$lora_id" =~ "$lora_mtac_id" ]]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTAC_LORA_1_0
if [ "$lora_hw" = "$lora_1_0_hw" ] && [[ ! "$lora_id" =~ .*-SPI ]]; then
ln -sf /opt/lora/basic_pkt_fwd-usb $pkt_fwd
else
if [ "$lora_hw" = "$lora_1_5_h_hw" ]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTAC_LORA_1_5
fi
ln -sf /opt/lora/lora_pkt_fwd $pkt_fwd
fi
diff $GLOBAL_CONF /opt/lora/global_conf.json &> /dev/null
if [ $? -ne 0 ]; then
cp $GLOBAL_CONF /opt/lora/global_conf.json
fi
return 0
elif [[ "$lora_id" =~ "$lora_mtcap_id" ]]; then
if [ "$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
ln -sf /opt/lora/lora_pkt_fwd $pkt_fwd
diff $GLOBAL_CONF /opt/lora/global_conf.json &> /dev/null
if [ $? -ne 0 ]; then
cp $GLOBAL_CONF /opt/lora/global_conf.json
fi
return 0
else
echo Lora hardware not detected
return 1
fi
}
do_start() {
# create run directory
mkdir -p $run_dir/1
rm -rf $run_dir/1/*
read_lora_hw_info
if ! [ -f $conf_file ]; then
echo "$0: $conf_file missing"
exit 1
fi
if hardware_found; then
echo "Found $lora_id with $lora_hw hardware"
else
echo "$0: Lora hardware not detected"
exit 1
fi
echo -n "Starting $NAME: "
# start network server
start-stop-daemon --start --background --make-pidfile \
--pidfile $net_server_pidfile --startas /bin/bash -- -c "exec $net_server \
-c $conf_file --lora-eui $lora_eui --lora-prod-1 $lora_id --lora-hw-1 $lora_hw \
--lora-path $run_dir \
--noconsole -l $net_server_log >> $net_server_log 2>&1"
sleep 2
# start packet forwarder
/usr/sbin/start-stop-daemon --chdir $run_dir/1 --background --start --make-pidfile \
--pidfile $pkt_fwd_pidfile --startas /bin/bash -- -c "exec $pkt_fwd"
renice -n -20 -p $(pgrep lora-network-se)
renice -n -20 -p $(pgrep $(basename $pkt_fwd))
echo "OK"
}
do_stop() {
echo -n "Stopping $NAME: "
start-stop-daemon --stop --quiet --oknodo --pidfile $net_server_pidfile --retry 15
start-stop-daemon --stop --quiet --oknodo --pidfile $pkt_fwd_pidfile --retry 5
rm -f $net_server_pidfile $pkt_fwd_pidfile
echo "OK"
}
if [ "$ENABLED" != "yes" ]; then
echo "$NAME: disabled in /etc/default"
exit
fi
force_stop() {
do_stop
rm -fr $LOCK
}
function try_lock() {
if mkdir $LOCK; then
trap "rm -fr $LOCK" EXIT
else
echo "Lora Network Server lock not acquired, resource in use"
exit 1
fi
}
case "$1" in
"start")
try_lock
do_start
;;
"stop")
force_stop
;;
"restart")
## Stop the service and regardless of whether it was
## running or not, start it again.
try_lock
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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