#!/usr/bin/env python
# Author:
# Muhammad Shahbaz (muhammad.shahbaz@gatech.edu)
# Arpit Gupta
from multiprocessing.connection import Client
import os
import sys
from threading import Thread
np = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
if np not in sys.path:
sys.path.append(np)
import util.log
sendLogger = util.log.getLogger('XRS-send')
recvLogger = util.log.getLogger('XRS-recv')
'''Write output to stdout'''
def _write(stdout,data):
stdout.write(data + '\n')
stdout.flush()
''' Sender function '''
def _sender(conn,stdin):
# Warning: when the parent dies we are seeing continual
# newlines, so we only access so many before stopping
counter = 0
while True:
try:
line = stdin.readline().strip()
if line == "":
counter += 1
if counter > 100:
break
continue
counter = 0
conn.send(line)
sendLogger.debug(line)
except:
pass
''' Receiver function '''
def _receiver(conn,stdout):
while True:
try:
line = conn.recv()
if line == "":
continue
_write(stdout, line)
''' example: announce route 1.2.3.4 next-hop 5.6.7.8 as-path [ 100 200 ] '''
recvLogger.debug(line)
except:
pass
''' main '''
if __name__ == '__main__':
conn = Client(('localhost', 6000), authkey='xrs')
sender = Thread(target=_sender, args=(conn,sys.stdin))
sender.start()
receiver = Thread(target=_receiver, args=(conn,sys.stdout))
receiver.start()
sender.join()
receiver.join()
