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 _bind (self,ip,port):
try:
if isipv6(ip):
s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM, socket.IPPROTO_TCP)
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except (socket.error,AttributeError):
pass
s.bind((ip,port,0,0))
elif isipv4(ip):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
except (socket.error,AttributeError):
pass
s.bind((ip,port))
else:
return None
s.setblocking(0)
##s.settimeout(0.0)
s.listen(self._backlog)
return s
except socket.error, e:
if e.args[0] == errno.EADDRINUSE:
raise BindingError('could not listen on %s:%d, the port already in use by another application' % (ip,self._port))
elif e.args[0] == errno.EADDRNOTAVAIL:
raise BindingError('could not listen on %s:%d, this is an invalid address' % (ip,self._port))
else:
raise BindingError('could not listen on %s:%d (%s)' % (ip,self._port,errstr(e)))
def bind (io, ip, afi):
try:
if afi == AFI.ipv4:
io.bind((ip,0))
if afi == AFI.ipv6:
io.bind((ip,0,0,0))
except socket.error,exc:
raise BindingError('Could not bind to local ip %s - %s' % (ip,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
