def handleTcpResponse(self):
if self.tcpReadState == self.STATE_TCP_READ_LEN:
if len(self.tcpData) >= 4:
self.tcpResponseLen, self.tcpData = Protocol.extractInt(
self.tcpData)
self.tcpReadState = self.STATE_TCP_READ_DATA
self.handleTcpResponse()
elif self.tcpReadState == self.STATE_TCP_READ_DATA:
if len(self.tcpData) >= self.tcpResponseLen:
# tcpResponseLen should be >= 4
if self.tcpResponseLen < 4:
logdebug().error(
'Cannot handle TLV payload of less than 4 bytes')
self.tcpData = self.tcpData[self.tcpResponseLen:]
self.tcpResponseLen = 0
self.tcpReadState = self.STATE_TCP_READ_LEN
self.handleTcpResponse()
else:
data = self.tcpData[:self.tcpResponseLen]
self.tcpData = self.tcpData[self.tcpResponseLen:]
seq = Protocol.unpackInt(data[0:4])
self.tcpResponseLen = 0
self.tcpReadState = self.STATE_TCP_READ_LEN
self.dispatch(seq, data[4:])
self.handleTcpResponse()
def handleTcpResponse(self):
if self.tcpReadState == self.STATE_TCP_READ_LEN:
if len(self.tcpData) >= 4:
self.tcpResponseLen, self.tcpData = Protocol.extractInt(self.tcpData)
self.tcpReadState = self.STATE_TCP_READ_DATA
self.handleTcpResponse()
elif self.tcpReadState == self.STATE_TCP_READ_DATA:
if len(self.tcpData) >= self.tcpResponseLen:
# tcpResponseLen should be >= 4
if self.tcpResponseLen < 4:
logdebug().error('Cannot handle TLV payload of less than 4 bytes')
self.tcpData = self.tcpData[self.tcpResponseLen:]
self.tcpResponseLen = 0
self.tcpReadState = self.STATE_TCP_READ_LEN
self.handleTcpResponse()
else:
data = self.tcpData[:self.tcpResponseLen]
self.tcpData = self.tcpData[self.tcpResponseLen:]
seq = Protocol.unpackInt(data[0:4])
self.tcpResponseLen = 0
self.tcpReadState = self.STATE_TCP_READ_LEN
self.dispatch(seq, data[4:])
self.handleTcpResponse()
