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#!/usr/bin/env python
import os
import sys
import optparse
import select
sys.path.insert(0,os.path.join(os.path.dirname(__file__), ".."))
from websockify.websocket import WebSocket, \
WebSocketWantReadError, WebSocketWantWriteError
parser = optparse.OptionParser(usage="%prog URL")
(opts, args) = parser.parse_args()
if len(args) == 1:
URL = args[0]
else:
parser.error("Invalid arguments")
sock = WebSocket()
print("Connecting to %s..." % URL)
sock.connect(URL)
print("Connected.")
def send(msg):
while True:
try:
sock.sendmsg(msg)
break
except WebSocketWantReadError:
msg = ''
ins, outs, excepts = select.select([sock], [], [])
if excepts: raise Exception("Socket exception")
except WebSocketWantWriteError:
msg = ''
ins, outs, excepts = select.select([], [sock], [])
if excepts: raise Exception("Socket exception")
def read():
while True:
try:
return sock.recvmsg()
except WebSocketWantReadError:
ins, outs, excepts = select.select([sock], [], [])
if excepts: raise Exception("Socket exception")
except WebSocketWantWriteError:
ins, outs, excepts = select.select([], [sock], [])
if excepts: raise Exception("Socket exception")
counter = 1
while True:
msg = "Message #%d" % counter
counter += 1
send(msg)
print("Sent message: %r" % msg)
while True:
ins, outs, excepts = select.select([sock], [], [], 1.0)
if excepts: raise Exception("Socket exception")
if ins == []:
break
while True:
msg = read()
print("Received message: %r" % msg)
if not sock.pending():
break
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