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helperTwistedTcp.py
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helperTwistedTcp.py
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import json
from twisted.internet import protocol
class MyServer( protocol.Protocol ):
def connectionMade(self):
print("connection made !")
self.factory.clients.append(self.transport)
self.transport.write("hello you areconnected".encode('utf-8'))
def dataReceived(self, data):
print("dataReceived from transport",self.transport)
res = self.factory.handle_message(data, self.transport)
if res:
print("write %s"%res)
self.transport.write(res)
def connectionLost(self, reason):
print("connectionLost",reason)
print("trying to remove client from list ...")
for i,c in enumerate(self.factory.clients):
if c == self.transport:
self.factory.clients.pop(i)
break
class Nmea:
def __init__(self,factory):
self.factory = factory
def messageParse(self,msg,client):
print("messageParse",msg)
msg = "$YK{}".format(msg[3:])
msgs = msg.split("\r\n")
if len(msgs)>0:
print("more then one message!",len(msgs))
for m in msgs:
self.factory.sendToAll(m, skipClient=[client])
else:
self.factory.sendToAll(msg)
return False
class MyServerFactory( protocol.Factory ):
protocol = MyServer
clients = []
def __init__(self, gui):
self.gui = gui
self.nmea = Nmea(self)
def handle_message(self, msg, client = None):
msg = msg.decode('utf-8')
print("recive msg [%s]"%msg)
if msg[0] == '$' and msg[6] == ',':
return self.nmea.messageParse(msg, client)
if msg == "ping":
msg = "Pong"
if msg == "plop":
msg = "Kivy Rocks!!!"
return msg.encode('utf-8')
def sendToAll(self, msg, skipClient=None):
#print("send To All (%s) ->[%s]"%(len(self.clients),msg))
if msg == "":
print("skip it's empty")
return True
if skipClient != None:
print("sendToAll with skipClient",skipClient)
msg = ("%s\n"%msg).encode('utf-8')
for t in self.clients:
if skipClient == None:
print("send t",t," msg",msg)
t.write(msg)
elif t in skipClient:
print("skiping client ",t)
else:
print("send t",t," msg",msg)
t.write(msg)
#print("send to all DONE")
class MyClient( protocol.Protocol ):
'''def as_complex(dct):
if '__complex__' in dct:
return complex(dct['real'], dct['imag'])
return dct
'''
def dataReceived(self, data):
msg = data.decode('utf-8')
lines = []
if msg.count("\n") == 0:
lines = [msg]
else:
lines = msg.split("\n")
msg = ""
for msg in lines:
#print("C: recive msg [%s]"%msg)
if len(msg) > 3 and msg[0] == '{' and msg[-1] == "}":
s = msg
json_acceptable_string = s.replace("'", "\"").replace("(","[").replace(")","]")
j = json.loads(json_acceptable_string)
#print("C: json[%s]"%j)
if j["type"] == "gps":
self.factory.gui.sen.gpsD.update(j['data'])
elif j["type"] == "gyro":
self.factory.gui.sen.gyro.setVal( j['data'] )
elif j["type"] == "accel":
self.factory.gui.sen.accel.setVal( j['data'] )
elif j["type"] == "gravity":
self.factory.gui.sen.gravity.setVal( j['data'] )
elif j["type"] == "comCal":
self.factory.gui.sen.comCal.setVal( j['data'] )
elif j["type"] == "spacorientation":
self.factory.gui.sen.spacialOrientation.setVal( j['data'] )
#elif j["type"] == 'gyroFlipt':
# self.factory.gui.sen.gyroFlipt.setVal( j['data'])
class MyClientFactory( protocol.ClientFactory ):
protocol = MyClient
def __init__(self, gui):
self.gui = gui
import urllib.request
def DownloadFile(url,targetFile):
c = urllib.request.urlopen(url)
f = open(targetFile,"wb")
f.write(c.read())
f.close()