reconnect if session isn't established within 15 seconds

This commit is contained in:
Nathan Fritz 2010-10-20 19:18:27 -07:00
parent 11264fe0a8
commit 77eab6544f
4 changed files with 26 additions and 7 deletions

View file

@ -13,6 +13,7 @@ import base64
import sys
import hashlib
import random
import threading
from sleekxmpp import plugins
from sleekxmpp import stanza
@ -78,6 +79,9 @@ class ClientXMPP(BaseXMPP):
self.plugin_whitelist = plugin_whitelist
self.srv_support = SRV_SUPPORT
self.session_started_event = threading.Event()
self.session_started_event.clear()
self.stream_header = "<stream:stream to='%s' %s %s version='1.0'>" % (
self.boundjid.host,
"xmlns:stream='%s'" % self.stream_ns,
@ -124,6 +128,12 @@ class ClientXMPP(BaseXMPP):
self.sessionstarted = False
self.bound = False
self.bindfail = False
self.schedule("session timeout checker", 15, self._session_timeout_check)
def _session_timeout_check(self):
if not self.session_started_event.isSet():
logging.debug("Session start has taken more than 15 seconds")
self.disconnect(reconnect=self.auto_reconnect)
def connect(self, address=tuple()):
"""
@ -136,6 +146,7 @@ class ClientXMPP(BaseXMPP):
Arguments:
address -- A tuple containing the server's host and port.
"""
self.session_started_event.clear()
if not address or len(address) < 2:
if not self.srv_support:
logging.debug("Did not supply (address, port) to connect" + \
@ -374,6 +385,7 @@ class ClientXMPP(BaseXMPP):
if "{%s}session" % session_ns not in self.features or self.bindfail:
logging.debug("Established Session")
self.sessionstarted = True
self.session_started_event.set()
self.event("session_start")
def _handle_start_session(self, xml):
@ -388,6 +400,7 @@ class ClientXMPP(BaseXMPP):
response = iq.send()
logging.debug("Established Session")
self.sessionstarted = True
self.session_started_event.set()
self.event("session_start")
else:
# Bind probably hasn't happened yet.

View file

@ -82,18 +82,22 @@ class StateMachine(object):
if not to_state in self.__states:
raise ValueError( "StateMachine does not contain to_state %s." % to_state )
start = time.time()
while not self.lock.acquire(False):
time.sleep(.001)
if (start + wait - time.time()) <= 0.0:
logging.debug("Could not acquire lock")
return False
while not self.__current_state in from_states:
# detect timeout:
remainder = start + wait - time.time()
if remainder > 0: self.notifier.wait(remainder)
else: return False
if remainder > 0:
self.notifier.wait(remainder)
else:
logging.debug("State was not ready")
self.lock.release()
return False
try: # lock is acquired; all other threads will return false or wait until notify/timeout
if self.__current_state in from_states: # should always be True due to lock

View file

@ -137,7 +137,7 @@ class Scheduler(object):
"""Process scheduled tasks."""
self.run = True
try:
while self.run:
while self.run and (self.parentstop is None or not self.parentstop.isSet()):
wait = 1
updated = False
if self.schedule:
@ -168,6 +168,7 @@ class Scheduler(object):
except KeyboardInterrupt:
self.run = False
if self.parentstop is not None:
logging.debug("stopping parent")
self.parentstop.set()
except SystemExit:
self.run = False

View file

@ -275,6 +275,7 @@ class XMLStream(object):
self.socket = ssl_socket
try:
logging.debug("Connecting to %s:%s" % self.address)
self.socket.connect(self.address)
self.set_socket(self.socket, ignore=True)
#this event is where you should set your application state
@ -328,10 +329,10 @@ class XMLStream(object):
Reset the stream's state and reconnect to the server.
"""
logging.debug("reconnecting...")
self.state.transition('connected', 'disconnected', wait=0.0,
self.state.transition('connected', 'disconnected', wait=2.0,
func=self._disconnect, args=(True,))
return self.state.transition('disconnected', 'connected',
wait=0.0, func=self._connect)
wait=2.0, func=self._connect)
def set_socket(self, socket, ignore=False):
"""
@ -669,7 +670,7 @@ class XMLStream(object):
# The body of this loop will only execute once per connection.
# Additional passes will be made only if an error occurs and
# reconnecting is permitted.
while not self.stop.isSet() and firstrun or self.auto_reconnect:
while firstrun or (self.auto_reconnect and not self.stop.isSet()):
firstrun = False
try:
if self.is_client: