def get_deferred_host_ip():
global _host_ip
global _host_ip_callbacks
global _host_ip_cachetime
if hasattr(reactor, 'ident'):
assert reactor.ident == thread.get_ident()
if _host_ip is not 'unknown' and _host_ip_cachetime + CACHE_TIME > bttime():
return defer.succeed(_host_ip)
if get_route_ip:
ip = get_route_ip()
if ip:
_host_ip = ip
_host_ip_cachetime = bttime()
return defer.succeed(_host_ip)
df = defer.Deferred()
if not _host_ip_callbacks:
def connect(ip):
factory = RecorderFactory()
factory.protocol = RecorderProtocol
if hasattr(reactor, 'limiter'):
reactor.connectTCP(ip, 80, factory, urgent=True)
else:
reactor.connectTCP(ip, 80, factory)
rdf = reactor.resolve("ip.bittorrent.com")
rdf.addCallback(connect)
rdf.addErrback(lambda e : _got_result(None))
_host_ip_callbacks.append(df)
return df
def get_deferred_host_ips():
global _host_ips
global _host_ips_cachetime
assert reactor.ident == thread.get_ident()
if _host_ips is not None and _host_ips_cachetime + CACHE_TIME > bttime():
return defer.succeed(_host_ips)
df = get_deferred_host_ip()
finaldf = defer.Deferred()
df.addCallback(_get_deferred_host_ips2, finaldf)
return finaldf
def get_deferred_host_ips():
global _host_ips
global _host_ips_cachetime
if hasattr(reactor, 'ident'):
assert reactor.ident == thread.get_ident()
if _host_ips is not None and _host_ips_cachetime + CACHE_TIME > bttime():
return defer.succeed(_host_ips)
df = get_deferred_host_ip()
finaldf = defer.Deferred()
df.addCallback(_get_deferred_host_ips2, finaldf)
return finaldf
def get_deferred_host_ip():
global _host_ip
global _host_ip_callbacks
global _host_ip_cachetime
if hasattr(reactor, 'ident'):
assert reactor.ident == thread.get_ident()
if _host_ip is not 'unknown' and _host_ip_cachetime + CACHE_TIME > bttime(
):
return defer.succeed(_host_ip)
if get_route_ip:
ip = get_route_ip()
if ip:
_host_ip = ip
_host_ip_cachetime = bttime()
return defer.succeed(_host_ip)
df = defer.Deferred()
if not _host_ip_callbacks:
def connect(ip):
factory = RecorderFactory()
factory.protocol = RecorderProtocol
if hasattr(reactor, 'limiter'):
reactor.connectTCP(ip, 80, factory, urgent=True)
else:
reactor.connectTCP(ip, 80, factory)
rdf = reactor.resolve("ip.bittorrent.com")
rdf.addCallback(connect)
rdf.addErrback(lambda e: _got_result(None))
_host_ip_callbacks.append(df)
return df
def begin_discovery(self):
# bind to an available port, and join the multicast group
df = get_deferred_host_ip()
yield df
hostip = df.getResult()
for p in xrange(self.upnp_addr[1], self.upnp_addr[1] + 50):
try:
# Original RawServer cannot do this!
s = self.rawserver.create_multicastsocket(p, hostip)
self.transport = s
self.rawserver.start_listening_multicast(s, self)
df = s.listening_port.joinGroup(self.upnp_addr[0],
socket.INADDR_ANY)
yield df
result = df.getResult()
# blargh
if twisted.copyright.version >= '2.4.0':
success = None
# ACKKKK..K. Prevents "Unhandled error in Deferred"
if df._debugInfo is not None:
df._debugInfo.failResult = None
else:
success = 1
if result is success:
break
elif isinstance(result, twisted.python.failure.Failure):
# HACK. If the failure contains a 'No such device' error
# then we abort the discovery because this error denotes
# that the peer is not connected to the network.
if hasattr( result.value, "__getitem__" ) and \
result.value[2] == 19:
yield 0 # abort discovery.
else:
# I suppose keep trying on different ports, but why would
# joinGroup fail?
self.transport = None
x = s.listening_port.stopListening()
if isinstance(x, defer.Deferred):
yield x
x.getResult()
except socket.error, e:
# may look weird, but spin the event loop once on failure
yield defer.succeed(True)
def begin_discovery(self):
# bind to an available port, and join the multicast group
df = get_deferred_host_ip()
yield df
hostip = df.getResult()
for p in xrange(self.upnp_addr[1], self.upnp_addr[1]+50):
try:
# Original RawServer cannot do this!
s = self.rawserver.create_multicastsocket(p, hostip)
self.transport = s
self.rawserver.start_listening_multicast(s, self)
df = s.listening_port.joinGroup(self.upnp_addr[0],
socket.INADDR_ANY)
yield df
result = df.getResult()
# blargh
if twisted.copyright.version >= '2.4.0':
success = None
# ACKKKK..K. Prevents "Unhandled error in Deferred"
if df._debugInfo is not None:
df._debugInfo.failResult = None
else:
success = 1
if result is success:
break
elif isinstance(result, twisted.python.failure.Failure):
# HACK. If the failure contains a 'No such device' error
# then we abort the discovery because this error denotes
# that the peer is not connected to the network.
if hasattr( result.value, "__getitem__" ) and \
result.value[2] == 19:
yield 0 # abort discovery.
else:
# I suppose keep trying on different ports, but why would
# joinGroup fail?
self.transport = None
x = s.listening_port.stopListening()
if isinstance(x, defer.Deferred):
yield x
x.getResult()
except socket.error, e:
# may look weird, but spin the event loop once on failure
yield defer.succeed(True)
def exit(self):
self.killswitch.set()
self.add_deferred(defer.succeed(True))
def exit(self):
self.killswitch.set()
self.add_deferred(defer.succeed(True))
