def listen (self, local_ip, peer_ip, local_port, md5):
self.serving = True
for sock,(local,port,peer,md) in self._sockets.items():
if local_ip.top() != local:
continue
if local_port != port:
continue
if md5:
MD5(sock,peer_ip.top(),0,md5)
return
try:
sock = self._new_socket(local_ip)
if md5:
# MD5 must match the peer side of the TCP, not the local one
MD5(sock,peer_ip.top(),0,md5)
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except (socket.error,AttributeError):
pass
sock.setblocking(0)
# s.settimeout(0.0)
sock.bind((local_ip.top(),local_port))
sock.listen(self._backlog)
self._sockets[sock] = (local_ip.top(),local_port,peer_ip.top(),md5)
except socket.error,exc:
if exc.args[0] == errno.EADDRINUSE:
raise BindingError('could not listen on %s:%d, the port already in use by another application' % (local_ip,local_port))
elif exc.args[0] == errno.EADDRNOTAVAIL:
raise BindingError('could not listen on %s:%d, this is an invalid address' % (local_ip,local_port))
raise NetworkError(str(exc))
def _listen(self, local_ip, peer_ip, local_port, md5, md5_base64, ttl_in):
self.serving = True
for sock, (local, port, peer, md) in self._sockets.items():
if local_ip.top() != local:
continue
if local_port != port:
continue
MD5(sock, peer_ip.top(), 0, md5, md5_base64)
if ttl_in:
MIN_TTL(sock, peer_ip, ttl_in)
return
try:
sock = self._new_socket(local_ip)
# MD5 must match the peer side of the TCP, not the local one
MD5(sock, peer_ip.top(), 0, md5, md5_base64)
if ttl_in:
MIN_TTL(sock, peer_ip, ttl_in)
try:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if local_ip.ipv6():
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
except (socket.error, AttributeError):
pass
sock.setblocking(0)
# s.settimeout(0.0)
sock.bind((local_ip.top(), local_port))
sock.listen(self._backlog)
self._sockets[sock] = (local_ip.top(), local_port, peer_ip.top(),
md5)
except socket.error as exc:
if exc.args[0] == errno.EADDRINUSE:
raise BindingError(
'could not listen on %s:%d, the port may already be in use by another application'
% (local_ip, local_port))
elif exc.args[0] == errno.EADDRNOTAVAIL:
raise BindingError(
'could not listen on %s:%d, this is an invalid address' %
(local_ip, local_port))
raise NetworkError(str(exc))
except NetworkError as exc:
self.logger.critical(str(exc), 'network')
raise exc