numwait-=1
self.gpsdproc=None
if retcode is None:
AVNLog.error("unable to properly stop gpsd process, leave it running")
else:
AVNLog.info("gpsd stopped, waiting for reader thread")
if reader is not None:
try:
reader.join(10)
AVNLog.info("reader thread successfully stopped")
except:
AVNLog.error("unable to stop gpsd reader thread within 10s")
reader=None
#end of loop - device available
time.sleep(timeout/2)
avnav_handlerList.registerHandler(AVNGpsd)
#a reader thread for the gpsd reader
class GpsdReader(threading.Thread):
def __init__(self, navdata,port,name,infoHandler,errorHandler=None):
self.navdata=navdata
threading.Thread.__init__(self)
self.setDaemon(True)
self.setName(name)
#the status shows if the gpsd reader still has data
self.lasttime=time.time()
self.status=True
self.port=port
self.infoHandler=infoHandler
self.errorHandler=errorHandler
else:
return {}
def registerRequestHandler(self, type, command, handler):
if self.handlerMap.get(type) is None:
self.handlerMap[type] = {}
self.handlerMap[type][command] = handler
def getRequestHandler(self, type, command):
typeMap = self.handlerMap.get(type)
if typeMap is None:
return None
return typeMap.get(command)
avnav_handlerList.registerHandler(AVNHTTPServer)
class AVNHTTPHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
def __init__(self, request, client_address, server):
#allow write buffering
#see https://lautaportti.wordpress.com/2011/04/01/basehttprequesthandler-wastes-tcp-packets/
self.wbufsize = -1
self.id = None
self.getRequestParam = AVNUtil.getHttpRequestParam
AVNLog.ld("receiver thread started", client_address)
SimpleHTTPServer.SimpleHTTPRequestHandler.__init__(
self, request, client_address, server)
def log_message(self, format, *args):
if self.id is None:
AVNLog.info("successfully connected to %s",info)
try:
errorReported=False
timeout=self.getFloatParam('timeout')
if timeout != 0:
timeout = timeout *5
else:
timeout=None
if self.P_WRITE_OUT.fromDict(self.param):
clientHandler=threading.Thread(
target=self._writer,
args=(self.socket,),
name="%s-writer"%(self.getName())
)
clientHandler.daemon=True
clientHandler.start()
self.readSocket(self.socket,'main',self.getSourceName(info),self.getParamValue('filter'),timeout=timeout)
self.wait(2)
except:
AVNLog.info("exception while reading from %s %s",info,traceback.format_exc())
class AVNNmea0183ServiceReader(AVNIpServiceReader):
@classmethod
def getServiceType(cls):
return AVNUtil.NMEA_SERVICE
avnav_handlerList.registerHandler(AVNNmea0183ServiceReader)
return True
def getName(self):
return "AVNChartHandler"
def run(self):
self.setName("[%s]%s"%(AVNLog.getThreadId(),self.getName()))
server=self.findHandlerByName("AVNHttpServer")
if server is None:
AVNLog.error("unable to find AVNHttpServer")
return
AVNLog.info("charthandler started")
while True:
try:
osdir=server.getChartBaseDir()
if osdir is None or not os.path.isdir(osdir):
AVNLog.error("unable to find a valid chart directory %s"%(osdir))
else:
for cd in os.listdir(osdir):
chartdir=os.path.join(osdir,cd)
if not os.path.isdir(chartdir):
continue
args=["","-i",chartdir]
rt=create_overview.main(args)
if rt == 0:
AVNLog.info("created/updated %s in %s",AVNUtil.NAVXML,chartdir)
if rt == 1:
AVNLog.error("error creating/updating %s in %s",AVNUtil.NAVXML.navxml,chartdir)
except:
AVNLog.error("error while trying to update charts %s",traceback.format_exc())
time.sleep(self.getIntParam('period') or 10)
avnav_handlerList.registerHandler(AVNChartHandler)
if os.path.exists(fname) and handler is not None:
return handler.sendJsFile(fname,self.PREFIX)
return super(AVNUserHandler, self).getPathFromUrl(path, handler,requestParam)
class AVNImagesHandler(AVNDirectoryHandlerBase):
PREFIX = "/user/images"
@classmethod
def getPrefix(cls):
return cls.PREFIX
def __init__(self,param):
AVNDirectoryHandlerBase.__init__(self, param, "images")
self.baseDir = AVNHandlerManager.getDirWithDefault(self.param, 'userDir', os.path.join('user', 'images'))
class AVNOverlayHandler(AVNDirectoryHandlerBase):
PREFIX = "/overlays"
ICONPREFIX=PREFIX+"/icons"
@classmethod
def getPrefix(cls):
return cls.PREFIX
def __init__(self,param):
AVNDirectoryHandlerBase.__init__(self, param, "overlay")
self.baseDir = AVNHandlerManager.getDirWithDefault(self.param, 'overlayDir', "overlays")
avnav_handlerList.registerHandler(AVNOverlayHandler)
avnav_handlerList.registerHandler(AVNUserHandler)
avnav_handlerList.registerHandler(AVNImagesHandler)
id = self.getRequestParam(requestparam, 'id')
rt = json.dumps(self.removeNetwork(id))
if command == 'connect':
param = {}
for k in ['ssid', 'psk']:
v = self.getRequestParam(requestparam, k)
if v is not None and v != "":
param[k] = v
key = self.getRequestParam(requestparam, "psk")
id = self.getRequestParam(requestparam, 'id')
if (key is None or key == "") and (id is None
or self.safeInt(id) < 0):
param['key_mgmt'] = "NONE"
else:
param['key_mgmt'] = "WPA-PSK"
allowAccess = self.getRequestParam(requestparam, 'allowAccess')
if allowAccess is not None and allowAccess == 'true':
param['id_str'] = self.PRIVATE_NAME
else:
param['id_str'] = ''
rt = json.dumps(self.connect(param))
if rt is None:
raise Exception("unknown command %s" % (command))
end = datetime.datetime.utcnow()
AVNLog.debug("wpa request %s lasted %d millis", command,
(end - start).total_seconds() * 1000)
return rt
avnav_handlerList.registerHandler(AVNWpaHandler)
if type == "api":
command = AVNUtil.getHttpRequestParam(requestparam, "command",
True)
if (command == "scheme"):
url = AVNUtil.getHttpRequestParam(requestparam, "url", True)
scheme = AVNUtil.getHttpRequestParam(requestparam, "newScheme",
True)
if not url.startswith(self.PATH_PREFIX):
raise Exception("invalid url")
parr = url[1:].split("/")
if len(parr) < 2:
raise Exception("invalid url")
chartName = urllib.unquote(parr[1])
chartEntry = self.chartlist.get(chartName)
if chartEntry is None:
raise Exception("chart not found")
changed = chartEntry['chart'].changeScheme(scheme)
if changed:
chartEntry['avnav'] = chartEntry['chart'].getAvnavXml(
self.getIntParam('upzoom'))
return AVNUtil.getReturnData()
return AVNUtil.getReturnData(error="Unknown chart request")
def registerExternalProvider(self, name, callback):
AVNLog.info("registering external chart provider %s", name)
self.externalProviders[name] = callback
avnav_handlerList.registerHandler(AVNChartHandler)
for path in glob.glob(os.path.join(dir, '[!_]*.py')):
name, ext = os.path.splitext(os.path.basename(path))
try:
modules[prefix + name] = imp.load_source(prefix + name, path)
AVNLog.info("loaded %s as %s", path, prefix + name)
except:
AVNLog.error("unable to load %s:%s", path, traceback.format_exc())
return modules
def getStatusProperties(self):
rt={}
return rt
def getHandledCommands(self):
return {}
def handleApiRequest(self,type,command,requestparam,**kwargs):
'''
handle the URL based requests
:param type: ???
:return: the answer
'''
rt={}
return rt
avnav_handlerList.registerHandler(AVNPluginHandler)
if dist >= self.getFloatParam('mindistance'):
gpsdata['distance']=dist
AVNLog.ld("write track entry",gpsdata)
self.writeLine(f,currentTime,gpsdata)
self.track.append((currentTime,lat,lon))
lastLat=lat
lastLon=lon
except Exception as e:
AVNLog.error("exception in Trackwriter: %s",traceback.format_exc());
pass
initial=False
#TODO: compute more exact sleeptime
time.sleep(self.getFloatParam("interval"))
def getTrack(self):
return self.track
#delete a track
#@param name: the full filename (without any dir)
def deleteTrack(self,name):
dir=self.getTrackDir()
fname=os.path.join(dir,name)
if not os.path.isfile(fname):
raise Exception("track %s not found "%name)
os.unlink(fname)
AVNLog.info("deleting track %s",name)
if name.endswith(".gpx"):
if self.fname == name[:-4]:
AVNLog.info("deleting current track!")
self.track=[]
avnav_handlerList.registerHandler(AVNTrackWriter)
for match in service_matches:
port = match["port"]
name = match["name"]
host = match["host"]
found = False
if len(filter) > 0:
if host in filter:
found = True
else:
AVNLog.debug(
"ignoring device %s as it is not in the list #%s#",
host, filterstr)
else:
found = True
if found and self.checkAndAddAddr(host):
try:
AVNLog.info("found new bluetooth device %s", host)
handler = threading.Thread(target=self.readBT,
args=(host, port))
handler.daemon = True
handler.start()
#TDOD: what about join???
except Exception as e:
AVNLog.warn("unable to start BT handler %s",
traceback.format_exc())
self.removeAddr(host)
time.sleep(10)
avnav_handlerList.registerHandler(AVNBlueToothReader)
def writeData(self,data):
self.feederWrite(data)
if (self.getIntParam('minTime')):
time.sleep(float(self.getIntParam('minTime'))/1000)
#thread run method - just try forever
def run(self):
self.setName("[%s]%s-%s:%d"%(AVNLog.getThreadId(),self.getName(),self.getStringParam('host'),self.getIntParam('port')))
info="%s:%d"%(self.getStringParam('host'),self.getIntParam('port'))
while True:
try:
self.setInfo('main',"trying udp listen at %s"%(info,),AVNWorker.Status.INACTIVE)
sock=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind((self.getStringParam('host'), self.getIntParam('port')))
self.setInfo('main',"listening at %s"%(info,),AVNWorker.Status.RUNNING)
except:
AVNLog.info("exception while trying to listen at %s:%d %s",self.getStringParam('host'),self.getIntParam('port'),traceback.format_exc())
self.setInfo('main',"unable to listen at %s"%(info,),AVNWorker.Status.ERROR)
time.sleep(2)
continue
AVNLog.info("successfully listening at %s:%d",self.getStringParam('host'),self.getIntParam('port'))
try:
self.readSocket(sock,'main',info="UDP: "+info)
except:
AVNLog.info("exception while reading data from %s:%d %s",self.getStringParam('host'),self.getIntParam('port'),traceback.format_exc())
avnav_handlerList.registerHandler(AVNUdpReader)
def writeData(self,data):
self.feederWrite(data)
if (self.getIntParam('minTime')):
time.sleep(float(self.getIntParam('minTime'))/1000)
#thread run method - just try forever
def run(self):
self.setName("[%s]%s-%s:%d"%(AVNLog.getThreadId(),self.getName(),self.getStringParam('host'),self.getIntParam('port')))
info="%s:%d"%(self.getStringParam('host'),self.getIntParam('port'))
while True:
try:
self.setInfo('main',"trying to connect to %s"%(info,),AVNWorker.Status.INACTIVE)
sock=socket.create_connection((self.getStringParam('host'),self.getIntParam('port')), self.getIntParam('timeout'))
self.setInfo('main',"connected to %s"%(info,),AVNWorker.Status.RUNNING)
except:
AVNLog.info("exception while trying to connect to %s:%d %s",self.getStringParam('host'),self.getIntParam('port'),traceback.format_exc())
self.setInfo('main',"unable to connect to %s"%(info,),AVNWorker.Status.ERROR)
time.sleep(2)
continue
AVNLog.info("successfully connected to %s:%d",self.getStringParam('host'),self.getIntParam('port'))
try:
self.readSocket(sock,'main')
time.sleep(2)
except:
AVNLog.info("exception while reading from %s:%d %s",self.getStringParam('host'),self.getIntParam('port'),traceback.format_exc())
avnav_handlerList.registerHandler(AVNSocketReader)
if not name in status and not 'all' in status :
continue
running=self.runningAlarms.get(name)
rt[name]={'alarm':name,'running':True if running is not None else False}
return rt
rt={'status':'ok'}
mode="start"
command=AVNUtil.getHttpRequestParam(requestparam,"start")
if command is None:
command = AVNUtil.getHttpRequestParam(requestparam, "stop")
mode="stop"
if command is None:
rt={'info':"missing request parameter start or stop",'status':'error'}
return rt
rt={'status':'ok'}
if mode == "start":
if not self.startAlarm(command,True):
rt['status']='error'
rt['info']=self.info.get(command)
return rt
if not self.stopAlarm(command):
rt['status'] = 'error'
rt['info'] = self.info.get(command)
return rt
avnav_handlerList.registerHandler(AVNAlarmHandler)
if self.getBoolParam('writeMda'):
"""$AVMDA,,,1.00000,B,,,,,,,,,,,,,,,,"""
mda = '$AVMDA,,,%.5f,B,,,,,,,,,,,,,,,,' % ( pressure / 1000.)
mda += "*" + NMEAParser.nmeaChecksum(mda) + "\r\n"
AVNLog.debug("BMP180:MDA %s", mda)
self.writeData(mda)
"""$AVMTA,19.50,C*2B"""
mta = 'AVMTA,%.2f,C' % (temperature)
mta += "*" + NMEAParser.nmeaChecksum(mta) + "\r\n"
AVNLog.debug("BMP180:MTA %s", mta)
self.writeData(mta)
if self.getBoolParam('writeXdr'):
xdr = '$AVXDR,P,%.5f,B,Barometer' % (pressure / 1000.)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("BMP180:XDR %s", xdr)
self.writeData(xdr)
xdr = '$AVXDR,C,%.2f,C,TempAir' % (temperature)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("BMP180:XDR %s", xdr)
self.writeData(xdr)
except:
AVNLog.info("exception while reading data from BMP180 %s" ,traceback.format_exc())
wt = self.getFloatParam("interval")
if not wt:
wt = 5.0
time.sleep(wt)
avnav_handlerList.registerHandler(AVNBMP180Reader)
def run(self):
self.setName("[%s]%s" % (AVNLog.getThreadId(), self.getName()))
self.setInfo('main', "reading sense", AVNWorker.Status.NMEA)
sense = SenseHat()
while True:
try:
if self.getBoolParam('writeMda'):
"""$WIMDA,30.2269,I,1.0236,B,17.7,C,,,43.3,,5.0,C,131.5,T,128.6,M,0.8,N,0.4,M"""
mda = '$SHMDA,%.4f,I,%.4f,B,%.1f,C,,C,%.1f,,,C,,T,,M,,N,,M' % (
sense.pressure * 29.5301 / 1000, sense.pressure / 1000,
sense.temp, sense.humidity)
mda += "*" + NMEAParser.nmeaChecksum(mda) + "\r\n"
AVNLog.debug("SenseHat:MDA %s", mda)
self.writeData(mda)
if self.getBoolParam('writeXdr'):
xdr = '$SHXDR,P,%.4f,B,SHPRESSURE,C,%.1f,C,SHTEMP,H,%.1f,P,SHHUMI' % (
sense.pressure / 1000., sense.temp, sense.humidity)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("SenseHat:XDR %s", xdr)
self.writeData(xdr)
except:
AVNLog.info("exception while reading data from SenseHat %s",
traceback.format_exc())
wt = self.getFloatParam("interval")
if not wt:
wt = 5.0
time.sleep(wt)
avnav_handlerList.registerHandler(AVNSenseHatReader)
try:
listener=socket.socket()
listener.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
listener.bind((self.getStringParam('address'),self.getIntParam('port')))
listener.listen(1)
AVNLog.info("listening at port address %s",unicode(listener.getsockname()))
self.setInfo('main', "listening at %s"%(unicode(listener.getsockname()),), AVNWorker.Status.RUNNING)
while True:
outsock,addr=listener.accept()
AVNLog.info("connect from %s",unicode(addr))
allowAccept=self.checkAndAddHandler(addr,outsock)
if allowAccept:
clientHandler=threading.Thread(target=self.client,args=(outsock, addr))
clientHandler.daemon=True
clientHandler.start()
else:
AVNLog.error("connection from %s not allowed", unicode(addr))
try:
outsock.close()
except:
pass
except Exception as e:
AVNLog.warn("exception on listener, retrying %s",traceback.format_exc())
try:
listener.close()
except:
pass
break
avnav_handlerList.registerHandler(AVNSocketWriter)
if s.currentName is not None:
toremove = (s.type, s.currentName)
if toremove in rt:
rt.remove(toremove)
if stype is None:
return list(rt)
else:
return list(map(lambda a: a[1], rt))
def resolveService(self, type, name):
'''
resove a service (IPv4)
@param type: the service type
@param name: the service name
@return: a tuple (hostname,ip,port) if found or None otherwise
'''
if self.server is None:
return None
try:
res = self.server.ResolveService(self.IF_UNSPEC, self.PROTO_INET,
name, type, "local",
self.PROTO_INET, 0)
return (str(res[5]), str(res[7]), int(res[8]))
except Exception as e:
AVNLog.error("unable to resolve service %s.%s: %s", type, name,
str(e))
return None
avnav_handlerList.registerHandler(AVNAvahi)
"""$AVMTA,19.50,C*2B"""
mta = 'AVMTA,%.2f,C' % (sense.temp)
mta += "*" + NMEAParser.nmeaChecksum(mta) + "\r\n"
AVNLog.debug("SenseHat:MTA %s", mta)
self.writeData(mta)
if self.getBoolParam('writeXdr'):
xdr = '$AVXDR,P,%.5f,B,Barometer' % (sense.pressure / 1000.)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("SenseHat:XDR %s", xdr)
self.writeData(xdr)
xdr = '$AVXDR,C,%.2f,C,TempAir' % (sense.temp)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("SenseHat:XDR %s", xdr)
self.writeData(xdr)
xdr = '$AVXDR,H,%.2f,P,Humidity' % (sense.humidity)
xdr += "*" + NMEAParser.nmeaChecksum(xdr) + "\r\n"
AVNLog.debug("SenseHat:XDR %s", xdr)
self.writeData(xdr)
except:
AVNLog.info("exception while reading data from SenseHat %s", traceback.format_exc())
wt = self.getFloatParam("interval")
if not wt:
wt = 5.0
time.sleep(wt)
avnav_handlerList.registerHandler(AVNSenseHatReader)
return rt
def __init__(self,param):
for p in ('port','name','timeout'):
if param.get(p) is None:
raise Exception("missing "+p+" parameter for serial writer")
self.writeData=None
AVNWorker.__init__(self, param)
def getName(self):
return "SerialWriter "+self.param['name']
#make some checks when we have to start
#we cannot do this on init as we potentiall have tp find the feeder...
def start(self):
if self.getBoolParam('useFeeder'):
feedername=self.getStringParam('feederName')
feeder=self.findFeeder(feedername)
if feeder is None:
raise Exception("%s: cannot find a suitable feeder (name %s)",self.getName(),feedername or "")
self.writeData=feeder.addNMEA
AVNWorker.start(self)
#thread run method - just try forever
def run(self):
self.setName("[%s]%s"%(AVNLog.getThreadId(),self.getName()))
writer=SerialWriter(self.param,self.navdata if self.writeData is None else None, self.writeData,self)
writer.run()
avnav_handlerList.registerHandler(AVNSerialWriter)
raise Exception("unable to find an icon file for %s" %
icon)
idx = self.findChild(name)
if idx < 0 and not doAdd:
raise Exception("did not find a user app with this name")
for k in list(param.keys()):
idx = self.changeChildConfig(self.CHILDNAME, idx, k,
param[k], True)
self.writeConfigChanges()
self.fillList()
return AVNUtil.getReturnData()
raise Exception("unknown command for %s api request: %s" %
(self.type, command))
if type == "list":
includeInvalid = AVNUtil.getHttpRequestParam(
requestparam, "invalid")
return self.handleList(
kwargs.get('handler'), includeInvalid is not None
and includeInvalid.lower() == 'true')
if type == 'delete':
name = AVNUtil.getHttpRequestParam(requestparam, "name", True)
self.handleDelete(name)
return AVNUtil.getReturnData()
raise Exception("unable to handle user request %s" % (type))
avnav_handlerList.registerHandler(AVNUserAppHandler)
while True:
try:
listener=socket.socket()
listener.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
listener.bind((self.getStringParam('address'),self.getIntParam('port')))
listener.listen(1)
AVNLog.info("listening at port address %s",unicode(listener.getsockname()))
self.setInfo('main', "listening at %s"%(unicode(listener.getsockname()),), AVNWorker.Status.RUNNING)
while True:
outsock,addr=listener.accept()
AVNLog.info("connect from %s",unicode(addr))
allowAccept=self.checkAndAddHandler(addr,outsock)
if allowAccept:
clientHandler=threading.Thread(target=self.client,args=(outsock, addr))
clientHandler.daemon=True
clientHandler.start()
else:
try:
outsock.close()
except:
pass
except Exception as e:
AVNLog.warn("exception on listener, retrying %s",traceback.format_exc())
try:
listener.close()
except:
pass
break
avnav_handlerList.registerHandler(AVNSocketWriter)
return {'addresses':self.addresslist}
else:
return {}
def registerRequestHandler(self,type,command,handler):
if self.handlerMap.get(type) is None:
self.handlerMap[type]={}
self.handlerMap[type][command]=handler
def getRequestHandler(self,type,command):
typeMap=self.handlerMap.get(type)
if typeMap is None:
return None
return typeMap.get(command)
avnav_handlerList.registerHandler(AVNHTTPServer)
class AVNHTTPHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
def __init__(self,request,client_address,server):
#allow write buffering
#see https://lautaportti.wordpress.com/2011/04/01/basehttprequesthandler-wastes-tcp-packets/
self.wbufsize=-1
self.id=None
self.getRequestParam=AVNUtil.getHttpRequestParam
AVNLog.ld("receiver thread started",client_address)
SimpleHTTPServer.SimpleHTTPRequestHandler.__init__(self, request, client_address, server)
def log_message(self, format, *args):
if self.id is None:
self.id=AVNLog.getThreadId()
if self.id is None:
if path.endswith(".nmea"):
AVNLog.info("compressing nmea log %s",path)
zfname=path+".gz"
try:
lf=open(path,"rb")
zf=gzip.open(zfname,"wb")
while True:
buf=lf.read(100000)
if buf is None or len(buf) == 0:
break
zf.write(buf)
zf.close()
lf.close()
os.unlink(path)
except:
AVNLog.error("exception while compressing log file %s: %s",path,traceback.format_exc())
AVNLog.debug("cleanup, found %d files",len(files))
if len(files) > self.maxfiles:
files.sort(key=lambda x: os.path.getmtime(x))
todelete=files[0:len(files)-self.maxfiles]
for tdel in todelete:
AVNLog.info("cleanup, deleting nmea log %s",tdel)
try:
os.unlink(tdel)
except:
AVNLog.error("unable to delete file %s: %s",tdel, traceback.format_exc())
avnav_handlerList.registerHandler(AVNNmeaLogger)
return os.path.join(dir,kwargs.get('server').plainUrlToPath(localPath[1],False))
'''
handle the URL based requests
:param type: ???
:return: the answer
'''
sub=AVNUtil.getHttpRequestParam(requestparam,'command')
if atype == "api":
if sub=="list":
data=[]
for k in list(self.pluginDirs.keys()):
dir=self.pluginDirs[k]
element={'name':k,'dir':dir}
if os.path.exists(os.path.join(dir,"plugin.js")):
element['js']= URL_PREFIX + "/" + k + "/plugin.js"
if os.path.exists(os.path.join(dir,"plugin.css")):
element['css']= URL_PREFIX + "/" + k + "/plugin.css"
data.append(element)
rt={'status':'OK','data':data}
return rt
return {'status':'request not found %s'%sub}
raise Exception("unable to handle routing request of type %s:%s" % (type, command))
avnav_handlerList.registerHandler(AVNPluginHandler)
cfg = SerialWriter.getConfigParam()
rt = cfg.copy()
return rt
@classmethod
def createInstance(cls, cfgparam):
if not hasSerial:
AVNLog.warn(
"serial writers configured but serial module not available, ignore them"
)
return None
rt = AVNSerialWriter(cfgparam)
return rt
def __init__(self, param):
for p in ('port', 'timeout'):
if param.get(p) is None:
raise Exception("missing " + p +
" parameter for serial writer")
AVNWorker.__init__(self, param)
#thread run method - just try forever
def run(self):
self.setName(self.getThreadPrefix())
writer = SerialWriter(self.param, self.writeData, self,
self.getSourceName(self.getParamValue('port')))
writer.run()
avnav_handlerList.registerHandler(AVNSerialWriter)
continue
if not name in status and not 'all' in status :
continue
running=self.findRunningCommandsByName(name)
rt[name]={'command':cmd.get('command'),'repeat':cmd.get('repeat'),'running':",".join([ x.getIdStr() for x in running])}
return rt
mode="start"
command=AVNUtil.getHttpRequestParam(requestparam,"start")
if command is None:
command = AVNUtil.getHttpRequestParam(requestparam, "stop")
mode="stop"
if command is None:
raise Exception("missing request parameter start or stop")
rt={'status':'ok'}
if mode == "start":
if not self.startCommand(command):
rt['status']='error'
rt['info']=self.info.get(command)
return rt
if not self.stopCommand(command):
rt['status'] = 'error'
rt['info'] = self.info.get(command)
return rt
avnav_handlerList.registerHandler(AVNCommandHandler)
if not name in status and not 'all' in status:
continue
running = self.findRunningCommandsByName(name)
rt[name] = {
'command': cmd.get('command'),
'repeat': cmd.get('repeat'),
'running': ",".join([x.getIdStr() for x in running])
}
return rt
mode = "start"
command = AVNUtil.getHttpRequestParam(requestparam, "start")
if command is None:
command = AVNUtil.getHttpRequestParam(requestparam, "stop")
mode = "stop"
if command is None:
raise Exception("missing request parameter start or stop")
rt = {'status': 'ok'}
if mode == "start":
if not self.startCommand(command):
rt['status'] = 'error'
rt['info'] = str(self.status.get(command))
return rt
if not self.stopCommand(command):
rt['status'] = 'error'
rt['info'] = str(self.status.get(command))
return rt
avnav_handlerList.registerHandler(AVNCommandHandler)
if feeder is None:
raise Exception("%s: cannot find a suitable feeder (name %s)", self.getName(), feedername or "")
self.feeder=feeder
AVNWorker.start(self)
def run(self):
self.setName("[%s]%s"%(AVNLog.getThreadId(),self.getName()))
while True:
cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if self.getBoolParam('broadcast'):
cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
addr=self.getStringParam('host')
port=int(self.getIntParam('port'))
filterstr=self.getStringParam('filter')
filter=None
seq=0
AVNLog.info("Sendto %s:%d" % (unicode(addr),port))
if filterstr != "":
filter=filterstr.split(",")
while True:
seq,data=self.feeder.fetchFromHistory(seq,10)
if len(data) > 0:
for line in data:
if NMEAParser.checkFilter(line, filter):
cs.sendto(line,(addr,port))
cs.close()
avnav_handlerList.registerHandler(AVNUdpWriter)
#we expect a filename parameter...
#TODO: should we check that the filename is the same like the route name?
def handleRouteUploadRequest(self, requestparam, rfile, flen):
fname = self.getRequestParam(requestparam, "filename")
AVNLog.debug("route upload request for %s", fname)
if flen > self.MAXROUTESIZE:
raise Exception("route is to big, max allowed filesize %d: " %
self.MAXROUTESIZE)
try:
data = rfile.read(flen)
parser = gpxparser.GPXParser(data)
gpx = parser.parse()
if gpx.routes is None or len(gpx.routes) == 0:
raise "no routes in " + fname
route = gpx.routes[0]
if route is None:
raise Exception("no route found in file")
rinfo = self.routeInfos.get(route.name)
if rinfo is not None:
raise Exception("route with name " + route.name +
" already exists")
rinfo = AVNRouteInfo.fromRoute(route, AVNUtil.utcnow())
self.routeInfos[route.name] = rinfo
self.saveRoute(route)
return
except Exception as e:
raise Exception("exception parsing " + fname + ": " + e.message)
avnav_handlerList.registerHandler(AVNRouter)
fname=self.getRequestParam(requestparam,"filename")
AVNLog.debug("route upload request for %s",fname)
if flen > self.MAXROUTESIZE:
raise Exception("route is to big, max allowed filesize %d: "%self.MAXROUTESIZE)
try:
data=rfile.read(flen)
parser = gpxparser.GPXParser(data)
gpx = parser.parse()
if gpx.routes is None or len(gpx.routes) == 0:
raise "no routes in "+fname
route=gpx.routes[0]
if route is None:
raise Exception("no route found in file")
rinfo=self.routeInfos.get(route.name)
if rinfo is not None:
raise Exception("route with name "+route.name+" already exists")
rinfo=AVNRouteInfo.fromRoute(route,AVNUtil.utcnow())
self.routeInfos[route.name]=rinfo
self.saveRoute(route)
return
except Exception as e:
raise Exception("exception parsing "+fname+": "+e.message)
avnav_handlerList.registerHandler(AVNRouter)
5, #how many seconds we allow time to go back before we reset
'settimecmd': '', #if set, use this to set the system time
'systimediff':
5, #how many seconds do we allow the system time to be away from us
'settimeperiod': 3600 #how often do we set the system time
}
@classmethod
def preventMultiInstance(cls):
return True
def start(self):
pass
avnav_handlerList.registerHandler(AVNBaseConfig)
def sighandler(signal, frame):
for handler in AVNWorker.allHandlers:
try:
handler.stopChildren()
except:
pass
sys.exit(1)
def findHandlerByConfig(list, configName):
for h in list:
if h.getConfigName() == configName:
return h
self.getIntParam('port'))
while True:
try:
self.setInfo('main', "trying to connect to %s" % (info, ),
AVNWorker.Status.INACTIVE)
sock = socket.create_connection(
(self.getStringParam('host'), self.getIntParam('port')),
self.getIntParam('timeout'))
self.setInfo('main', "connected to %s" % (info, ),
AVNWorker.Status.RUNNING)
except:
AVNLog.info("exception while trying to connect to %s:%d %s",
self.getStringParam('host'),
self.getIntParam('port'), traceback.format_exc())
self.setInfo('main', "unable to connect to %s" % (info, ),
AVNWorker.Status.ERROR)
time.sleep(2)
continue
AVNLog.info("successfully connected to %s:%d",
self.getStringParam('host'), self.getIntParam('port'))
try:
self.readSocket(sock, 'main')
time.sleep(2)
except:
AVNLog.info("exception while reading from %s:%d %s",
self.getStringParam('host'),
self.getIntParam('port'), traceback.format_exc())
avnav_handlerList.registerHandler(AVNSocketReader)
continue
AVNLog.ld("found bluetooth devices",service_matches)
filter=[]
filterstr=self.getStringParam('devicelist')
if not filterstr is None and not filterstr=='':
filter=filterstr.split(',')
for match in service_matches:
port = match["port"]
name = match["name"]
host = match["host"]
found=False
if len(filter) > 0:
if host in filter:
found=True
else:
AVNLog.debug("ignoring device %s as it is not in the list #%s#",host,filterstr)
else:
found=True
if found and self.checkAndAddAddr(host):
try:
AVNLog.info("found new bluetooth device %s",host)
handler=threading.Thread(target=self.readBT,args=(host,port))
handler.daemon=True
handler.start()
#TDOD: what about join???
except Exception as e:
AVNLog.warn("unable to start BT handler %s",traceback.format_exc())
self.removeAddr(host)
time.sleep(10)
avnav_handlerList.registerHandler(AVNBlueToothReader)
info = "%s:%d" % (self.getStringParam('host'),
self.getIntParam('port'))
while True:
try:
self.setInfo('main', "trying udp listen at %s" % (info, ),
AVNWorker.Status.INACTIVE)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind(
(self.getStringParam('host'), self.getIntParam('port')))
self.setInfo('main', "listening at %s" % (info, ),
AVNWorker.Status.RUNNING)
except:
AVNLog.info("exception while trying to listen at %s:%d %s",
self.getStringParam('host'),
self.getIntParam('port'), traceback.format_exc())
self.setInfo('main', "unable to listen at %s" % (info, ),
AVNWorker.Status.ERROR)
time.sleep(2)
continue
AVNLog.info("successfully listening at %s:%d",
self.getStringParam('host'), self.getIntParam('port'))
try:
self.readSocket(sock, 'main', info="UDP: " + info)
except:
AVNLog.info("exception while reading data from %s:%d %s",
self.getStringParam('host'),
self.getIntParam('port'), traceback.format_exc())
avnav_handlerList.registerHandler(AVNUdpReader)
return rt
def __init__(self,param):
for p in ('port','name','timeout'):
if param.get(p) is None:
raise Exception("missing "+p+" parameter for serial reader")
self.writeData=None
AVNWorker.__init__(self, param)
def getName(self):
return "SerialReader "+self.param['name']
#make some checks when we have to start
#we cannot do this on init as we potentiall have tp find the feeder...
def start(self):
if self.getBoolParam('useFeeder'):
feedername=self.getStringParam('feederName')
feeder=self.findFeeder(feedername)
if feeder is None:
raise Exception("%s: cannot find a suitable feeder (name %s)",self.getName(),feedername or "")
self.writeData=feeder.addNMEA
AVNWorker.start(self)
#thread run method - just try forever
def run(self):
self.setName("[%s]%s"%(AVNLog.getThreadId(),self.getName()))
reader=SerialReader(self.param, self.navdata if self.writeData is None else None, self.writeData,self)
reader.run()
avnav_handlerList.registerHandler(AVNSerialReader)
'expiryTime': 30,
'aisExpiryTime': 1200,
'ownMMSI':'', #if set - do not store AIS messages with this MMSI
'debugToLog': 'false',
'maxtimeback':5, #how many seconds we allow time to go back before we reset
'settimecmd': '', #if set, use this to set the system time
'systimediff':5, #how many seconds do we allow the system time to be away from us
'settimeperiod': 3600 #how often do we set the system time
}
@classmethod
def preventMultiInstance(cls):
return True
def start(self):
pass
avnav_handlerList.registerHandler(AVNBaseConfig)
def sighandler(signal,frame):
for handler in AVNWorker.allHandlers:
try:
handler.stopChildren()
except:
pass
sys.exit(1)
def findHandlerByConfig(list,configName):
for h in list:
if h.getConfigName()==configName:
return h
return None
AVNLog.info("deleting import file %s",fullname)
try:
os.unlink(fullname)
except:
AVNLog.error("error deleting file %s:%s",fullname,traceback.format_exc())
def runConverter(self,name,args):
logdir=AVNLog.getLogDir()
rt=None
try:
logfile=None
if logdir is not None:
logfilename=os.path.join(logdir,"convert-"+name+".log")
try:
logfile=open(logfilename,"w")
except:
AVNLog.error("unable to open logile %s: %s",logfilename,traceback.format_exc())
if logfile is not None:
AVNLog.info("starting converter for %s with args %s, logfile=%s",name," ".join(args),logfilename)
rt=subprocess.Popen(args,stdin=None,stdout=logfile,stderr=subprocess.STDOUT)
else:
AVNLog.info("starting converter for %s with args %s",name," ".join(args))
rt=subprocess.Popen(args)
return rt
except:
AVNLog.error("unable to start converter for %s:%s",name,traceback.format_exc())
avnav_handlerList.registerHandler(AVNImporter)
self.track.append((currentTime, lat, lon))
lastLat = lat
lastLon = lon
except Exception as e:
AVNLog.error("exception in Trackwriter: %s",
traceback.format_exc())
pass
initial = False
#TODO: compute more exact sleeptime
time.sleep(self.getFloatParam("interval"))
def getTrack(self):
return self.track
#delete a track
#@param name: the full filename (without any dir)
def deleteTrack(self, name):
dir = self.getTrackDir()
fname = os.path.join(dir, name)
if not os.path.isfile(fname):
raise Exception("track %s not found " % name)
os.unlink(fname)
AVNLog.info("deleting track %s", name)
if name.endswith(".gpx"):
if self.fname == name[:-4]:
AVNLog.info("deleting current track!")
self.track = []
avnav_handlerList.registerHandler(AVNTrackWriter)
id=self.getRequestParam(requestparam,'id')
rt=json.dumps(self.disableNetwork(id))
if command == 'remove':
id=self.getRequestParam(requestparam,'id')
rt=json.dumps(self.removeNetwork(id))
if command == 'connect':
param={}
for k in ['ssid','psk']:
v=self.getRequestParam(requestparam,k)
if v is not None and v != "":
param[k]=v
key=self.getRequestParam(requestparam,"psk")
id = self.getRequestParam(requestparam, 'id')
if ( key is None or key == "" ) and id is None:
param['key_mgmt'] = "NONE"
else:
param['key_mgmt'] = "WPA-PSK"
allowAccess=self.getRequestParam(requestparam,'allowAccess')
if allowAccess is not None and allowAccess == 'true':
param['id_str']=self.PRIVATE_NAME
else:
param['id_str'] = ''
rt=json.dumps(self.connect(param))
if rt is None:
raise Exception("unknown command %s"%(command))
end=datetime.datetime.utcnow()
AVNLog.debug("wpa request %s lasted %d millis",command,(end-start).total_seconds()*1000)
return rt
avnav_handlerList.registerHandler(AVNWpaHandler)
usbid = cfg.get('usbid')
if usbid is not None and not usbid in currentDevices:
currentDevices[usbid] = None
self.checkDevices(currentDevices)
if init:
monitorThread = threading.Thread(
target=self.monitorDevices,
args=(context, ),
name="%s-monitor" % (self.getName()))
monitorThread.daemon = True
monitorThread.start()
init = False
except Exception as e:
AVNLog.debug(
"exception when querying usb serial devices %s, retrying after 10s",
traceback.format_exc())
context = None
time.sleep(10)
def _stopHandlers(self):
usbids = [] + list(self.addrmap.keys())
for id in usbids:
self.stopHandler(id)
def stop(self):
super().stop()
self._stopHandlers()
avnav_handlerList.registerHandler(AVNUsbSerialReader)
AVNLog.info("compressing nmea log %s", path)
zfname = path + ".gz"
try:
lf = open(path, "rb")
zf = gzip.open(zfname, "wb")
while True:
buf = lf.read(100000)
if buf is None or len(buf) == 0:
break
zf.write(buf)
zf.close()
lf.close()
os.unlink(path)
except:
AVNLog.error("exception while compressing log file %s: %s",
path, traceback.format_exc())
AVNLog.debug("cleanup, found %d files", len(files))
if len(files) > self.maxfiles:
files.sort(key=lambda x: os.path.getmtime(x))
todelete = files[0:len(files) - self.maxfiles]
for tdel in todelete:
AVNLog.info("cleanup, deleting nmea log %s", tdel)
try:
os.unlink(tdel)
except:
AVNLog.error("unable to delete file %s: %s", tdel,
traceback.format_exc())
avnav_handlerList.registerHandler(AVNNmeaLogger)
AVNLog.info("gpsd stopped, waiting for reader thread")
if reader is not None:
try:
reader.join(10)
AVNLog.info(
"reader thread successfully stopped")
except:
AVNLog.error(
"unable to stop gpsd reader thread within 10s"
)
reader = None
#end of loop - device available
time.sleep(timeout / 2)
avnav_handlerList.registerHandler(AVNGpsd)
#a reader thread for the gpsd reader
class GpsdReader(threading.Thread):
def __init__(self, navdata, port, name, infoHandler, errorHandler=None):
self.navdata = navdata
threading.Thread.__init__(self)
self.setDaemon(True)
self.setName(name)
#the status shows if the gpsd reader still has data
self.lasttime = time.time()
self.status = True
self.port = port
self.infoHandler = infoHandler
self.errorHandler = errorHandler
try:
temperature, pressure = readBmp180(addr)
if self.getBoolParam('writeMda'):
"""$AVMDA,,,1.00000,B,,,,,,,,,,,,,,,,"""
mda = '$AVMDA,,,%.5f,B,,,,,,,,,,,,,,,,' % (pressure /
1000.)
AVNLog.debug("BMP180:MDA %s", mda)
self.writeData(mda, source, addCheckSum=True)
"""$AVMTA,19.50,C*2B"""
mta = 'AVMTA,%.2f,C' % (temperature)
AVNLog.debug("BMP180:MTA %s", mta)
self.writeData(mta, source, addCheckSum=True)
if self.getBoolParam('writeXdr'):
xdr = '$AVXDR,P,%.5f,B,Barometer' % (pressure / 1000.)
AVNLog.debug("BMP180:XDR %s", xdr)
self.writeData(xdr, source, addCheckSum=True)
xdr = '$AVXDR,C,%.2f,C,TempAir' % (temperature)
AVNLog.debug("BMP180:XDR %s", xdr)
self.writeData(xdr, source, addCheckSum=True)
except:
AVNLog.info("exception while reading data from BMP180 %s",
traceback.format_exc())
wt = self.getFloatParam("interval")
if not wt:
wt = 5.0
time.sleep(wt)
avnav_handlerList.registerHandler(AVNBMP180Reader)
'alarm': name,
'running': True if running is not None else False,
'repeat': config.get('repeat')
}
return {"status": "OK", "data": rt}
rt = {'status': 'ok'}
mode = "start"
command = AVNUtil.getHttpRequestParam(requestparam, "start")
if command is None:
command = AVNUtil.getHttpRequestParam(requestparam, "stop")
mode = "stop"
if command is None:
rt = {
'info': "missing request parameter start or stop",
'status': 'error'
}
return rt
rt = {'status': 'ok'}
if mode == "start":
if not self.startAlarm(command, True):
rt['status'] = 'error'
rt['info'] = self.info.get(command)
return rt
if not self.stopAlarm(command):
rt['status'] = 'error'
rt['info'] = self.info.get(command)
return rt
avnav_handlerList.registerHandler(AVNAlarmHandler)
fname = info.filename
if fname is None:
raise Exception("no layout file")
len = os.path.getsize(fname)
stream = open(fname, "rb")
rt = {
'size': len,
'mimetype': 'application/json',
'stream': stream
}
if noAttach is not None:
rt['noattach'] = True
return rt
if type == 'delete':
name = AVNUtil.getHttpRequestParam(requestparam, 'name')
if name is None:
raise Exception("missing parameter name")
info = self.layouts.get(name)
if info is None:
raise Exception("layout %s not found" % name)
if not info.canDelete:
raise Exception("cannot delete this layout")
fname = info.filename
if fname is None:
raise Exception("no layout file")
os.unlink(fname)
self.updateAllLayouts()
avnav_handlerList.registerHandler(AVNLayoutHandler)
(self.getThreadPrefix(), self.param['host'], self.param['port']))
while True:
cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if self.getBoolParam('broadcast'):
cs.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
addr = self.getStringParam('host')
port = int(self.getIntParam('port'))
filterstr = self.getStringParam('filter')
filter = None
seq = 0
AVNLog.info("Sendto %s:%d" % (unicode(addr), port))
if filterstr != "":
filter = filterstr.split(",")
while True:
seq, data = self.feeder.fetchFromHistory(seq,
10,
nmeafilter=filter,
includeSource=True)
if len(data) > 0:
for line in data:
if line.source in self.blackList:
AVNLog.debug("ignore line %s:%s due to blacklist",
line.source, line.data)
else:
cs.sendto(line.data, (addr, port))
cs.close()
avnav_handlerList.registerHandler(AVNUdpWriter)