Reticulum/RNS/Interfaces/UdpInterface.py
2020-05-11 21:52:20 +02:00

64 lines
2.0 KiB
Python
Executable File

from .Interface import Interface
import socketserver
import threading
import socket
import time
import sys
import RNS
class UdpInterface(Interface):
def __init__(self, owner, name, bindip=None, bindport=None, forwardip=None, forwardport=None):
self.IN = True
self.OUT = False
# TODO: Optimise so this is not needed
self.transmit_delay = 0.001
self.name = name
if (bindip != None and bindport != None):
self.receives = True
self.bind_ip = bindip
self.bind_port = bindport
def handlerFactory(callback):
def createHandler(*args, **keys):
return UdpInterfaceHandler(callback, *args, **keys)
return createHandler
self.owner = owner
address = (self.bind_ip, self.bind_port)
self.server = socketserver.UDPServer(address, handlerFactory(self.processIncoming))
thread = threading.Thread(target=self.server.serve_forever)
thread.setDaemon(True)
thread.start()
if (forwardip != None and forwardport != None):
self.forwards = True
self.forward_ip = forwardip
self.forward_port = forwardport
def processIncoming(self, data):
self.owner.inbound(data, self)
def processOutgoing(self,data):
time.sleep(self.transmit_delay)
udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
udp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
udp_socket.sendto(data, (self.forward_ip, self.forward_port))
def __str__(self):
return "UdpInterface["+self.name+"/"+self.bind_ip+":"+str(self.bind_port)+"]"
class UdpInterfaceHandler(socketserver.BaseRequestHandler):
def __init__(self, callback, *args, **keys):
self.callback = callback
socketserver.BaseRequestHandler.__init__(self, *args, **keys)
def handle(self):
data = self.request[0]
self.callback(data)