def sendPacket(self, packet, callCount=0):
"""
param packet: Packet object
param callCount: only used for the timeout mechanism.
"""
# the packet is received
if packet.ack == 1:
print "###sending ACK packet###:", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw, (self.serverAddress, self.serverPort))
return
if packet.seqNum != self.seqNum:
return
print "###sending packet###:", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw, (self.serverAddress, self.serverPort))
callCount += 1
if callCount < attempt_num:
reactor.callLater(timeout, self.sendPacket, packet, callCount)
else:
print "too many tries, packet:", packet," aborted"
return
def sendPacket(self, packet, callCount=0):
# send an ack packet to registered or non registered user
# ack packet is sent only once
if packet.ack == 1:
print "###sending ACK packet### : ", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw)
return
# not ack packet, set timeout and send later if packet is not received
# when an un-ack packet is received, we stop the timeout
if packet.seqNum != self.seqNum: # packet is received
return
print "###sending packet### : ", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw)
def sendPacket(self, packet):
"""
param packet: Packet object
param callCount: only used for the timeout mechanism.
"""
if packet.ack == 1:
print "###sending ACK packet###:", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw)
return
if packet.seqNum != self.seqNum:
return
print "###sending packet###:", packet
buf = util.packMsg(packet)
self.transport.write(buf.raw)