def streamSbs1StreamAsync(self, port):
while True:
try:
self.clientsocket = socket.socket(socket.AF_INET,
socket.SOCK_STREAM)
self.clientsocket.connect(
(self.connectionDetails['sbs1']['host'], port))
except:
print("Unable to find SBS1 stream on port:" + port +
". Waiting 5 seconds...")
time.sleep(5)
continue
kinsisPutRecordsBufferFlushIndex = datetime.now().second
kinesisPutRecordBuffer = []
try:
for rawSBS1String in self.linesplit():
#sys.stdout.write(rawSBS1String)
#sys.stdout.flush()
processedSBS1 = sbs1.SBS1Message(rawSBS1String)
kinesisPutRecordBuffer.append({
"Data":
json.dumps(processedSBS1.__dict__),
"PartitionKey":
self.connectionDetails['kinesis']['partionKey']
})
currentSecond = datetime.now().second
if (currentSecond != kinsisPutRecordsBufferFlushIndex):
kinsisPutRecordsBufferFlushIndex = currentSecond
#print("purging buffer")
self.kinesisConn.put_records(
kinesisPutRecordBuffer,
self.connectionDetails['kinesis']['streamID'])
kinesisPutRecordBuffer = []
except:
print("Issue connecting to SBS1 socket. Waiting 5 seconds.")
time.sleep(5)
print('restarting buffering')
time.sleep(5)
def adsbThread(bridge):
global args
sock = None
connWarn = False
observations = {}
socketTimeoutSec = 60
cleanIntervalSec = 5
cleanTimeoutSec = 30 # Clean observations when we have no updates in this time
lastClean = datetime.datetime.utcnow()
nextClean = datetime.datetime.utcnow() + datetime.timedelta(
seconds=cleanIntervalSec)
while True:
if sock == None:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((args.dump1090_host, args.dump1090_port))
log.info("ADSB connected")
sock.settimeout(socketTimeoutSec)
connWarn = False
except socket.error as e:
if not connWarn:
logging.critical(
"Failed to connect to ADSB receiver on %s:%s, retrying : %s"
% (args.dump1090_host, args.dump1090_port, e))
connWarn = True
sock = None
time.sleep(10)
else:
if datetime.datetime.utcnow() > nextClean:
observations = cleanObservations(observations, cleanTimeoutSec,
bridge)
lastClean = datetime.datetime.utcnow()
nextClean = datetime.datetime.utcnow() + datetime.timedelta(
seconds=cleanIntervalSec)
try:
data = sock.recv(512)
except socket.error as e:
err = e.args[0]
if err == errno.EAGAIN or err == errno.EWOULDBLOCK:
logging.critical("No data available")
sock = None
time.sleep(10)
else:
logging.critical("Error occured : %s" % (e))
sock = None
time.sleep(10)
else:
m = sbs1.SBS1Message(data)
if m.isValid:
if m.icao24 in observations:
observations[m.icao24].update(m)
else:
observations[m.icao24] = Observation(m)
if observations[m.icao24].isPresentable() and observations[
m.icao24].updated:
bridge.publish(
"/adsb/%s/json" % args.radar_name,
json.dumps(observations[m.icao24].dict()))
observations[m.icao24].updated = False
observations[m.icao24].dump()
def parse_data(msg):
return sbs1.SBS1Message(msg.decode('utf-8'))
def adsbThread():
global gQuitting
global mqttc
global args
sock = None
connWarn = False
observations = {}
socketTimeoutSec = 5
cleanIntervalSec = 5
cleanTimeoutSec = 30 # Clean observations when we have no updates in this time
if args.basestationdb:
gPlaneDBs.append(icao24.PlaneDB(args.basestationdb))
if args.myplanedb:
gPlaneDBs.append(icao24.PlaneDB(args.myplanedb))
lastClean = datetime.datetime.utcnow()
nextClean = datetime.datetime.utcnow() + datetime.timedelta(
seconds=cleanIntervalSec)
while 1:
if sock == None:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((args.dump1090_host, args.dump1090_port))
log.info("ADSB connected")
sock.setblocking(0)
connWarn = False
except socket.error as e:
if not connWarn:
logging.critical(
"Failed to connect to ADSB receiver on %s:%s, retrying : %s"
% (args.dump1090_host, args.dump1090_port, e))
connWarn = True
sock = None
time.sleep(10)
else:
if datetime.datetime.utcnow() > nextClean:
observations = cleanObservations(observations, cleanTimeoutSec,
mqttc)
lastClean = datetime.datetime.utcnow()
nextClean = datetime.datetime.utcnow() + datetime.timedelta(
seconds=cleanIntervalSec)
ready = select.select([sock], [], [], socketTimeoutSec)
if not ready[0]:
# The socket doesn't have anything for us, so loop around
time.sleep(1)
continue
try:
data = sock.recv(512)
except socket.error, e:
err = e.args[0]
if err == errno.EAGAIN or err == errno.EWOULDBLOCK:
logging.critical("No data available")
print ''
sock = None
time.sleep(10)
else:
logging.critical("Error occured : %s" % (e))
sock = None
time.sleep(10)
else:
m = sbs1.SBS1Message(data)
if m.isValid:
if m.icao24 in observations:
observations[m.icao24].update(m)
else:
observations[m.icao24] = Observation(m)
if observations[m.icao24].isPresentable() and observations[
m.icao24].updated:
mqttc.publish("/adsb/%s/json" % args.radar_name,
json.dumps(
observations[m.icao24].dict()), 0,
False) # Retain)
observations[m.icao24].updated = False
observations[m.icao24].dump()