def connect(self, host, port, timeout=None):
"""
Try to establish a connection with host and port.
If a timeout is defined, after this timeout has been reached the
TCPSocket will stop trying to connect and the socket_connection_timeout
TCPSocketDelegate method will be called.
If the socket establishes the connection before the timeout
socket_did_connect TCPSocketDelegate method will be called.
"""
#if not self.delegate:
# raise SocketException("Attempting to accept without a delegate. Set a delegate first.")
if self.socket != None:
raise SocketException("Attempting to accept while connected or accepting connections. Disconnect first.")
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.connecting_address = (host, port)
self.runloop.register_socket(self)
try:
self.socket.connect((host, port))
except socket.error as e:
if e.errno in (errno.EINPROGRESS, errno.EALREADY, errno.EWOULDBLOCK):
if timeout:
self.connect_timeout = Timer(timeout, self.connection_timeout, False, (host, port), runloop=self.runloop)
return
return self.close(e)
self.did_connect()
def connect(self, host, port, timeout=None):
"""
Try to establish a connection with host and port.
If a timeout is defined, after this timeout has been reached the
TCPSocket will stop trying to connect and the socket_connection_timeout
TCPSocketDelegate method will be called.
If the socket establishes the connection before the timeout
socket_did_connect TCPSocketDelegate method will be called.
"""
#if not self.delegate:
# raise SocketException("Attempting to accept without a delegate. Set a delegate first.")
if self.socket != None:
raise SocketException(
"Attempting to accept while connected or accepting connections. Disconnect first."
)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.connecting_address = (host, port)
self.runloop.register_socket(self)
try:
self.socket.connect((host, port))
except socket.error as e:
if e.errno in (errno.EINPROGRESS, errno.EALREADY,
errno.EWOULDBLOCK):
if timeout:
self.connect_timeout = Timer(timeout,
self.connection_timeout,
False, (host, port),
runloop=self.runloop)
return
return self.close(e)
self.did_connect()
class TCPSocket(object):
def __init__(self, delegate=None, runloop=None):
"""
The delegate is an object which follows the TCPSocketDelegate protocol.
"""
self.delegate = delegate
self.socket = None
self.connected = False
self.accepting = False
self.accepted = False
self.closing = False
self.connect_timeout = None
self.tls_handshake_stage = None
self.tls_shutdown = False
self.read_until_data = None
self.read_until_length = None
self.read_buffer = bytes()
self.buffer_type = 'utf-8'
self.uploaded_bytes = 0
self.downloaded_bytes = 0
self.runloop = runloop
def __str__(self):
if self.connected:
return '{}:{}'.format(self.connected_host(), self.connected_port())
elif self.accepting:
return '{}:{}'.format(self.local_host(), self.local_port())
return ''
def __repr__(self):
if self.connected:
return '<TCPSocket connect({}:{})>'.format(
self.connected_host(),
self.connected_port()
)
elif self.accepting:
return '<TCPSocket listen({}:{})>'.format(
self.local_host(),
self.local_port()
)
elif self.socket != None:
return '<TCPSocket connecting>'
return '<TCPSocket>'
def __del__(self):
self.close()
def __nonzero__(self):
return (self.socket != None) and self.connected or self.accepting
def __eq__(self, other):
if self.socket is not None and other == self.fileno():
return True
if id(self) == id(other):
return True
return False
# Configuration
def configure(self):
self.accepted = True
self.runloop.register_socket(self)
if not self.socket_will_connect():
self.close()
@property
def runloop(self):
if not self._runloop:
self._runloop = DefaultRunloop.default()
return self._runloop
@runloop.setter
def runloop(self, runloop):
self._runloop = runloop
# TLS
def has_tls(self):
return ssl is not None
def start_tls(self, keyfile=None, certfile=None, cert_reqs=ssl.CERT_NONE, \
ca_certs=None, version=ssl.PROTOCOL_SSLv23):
if not self.has_tls():
return False
if self.socket is None:
return False
self.socket = ssl.SSLSocket(self.socket, keyfile=keyfile, \
certfile=certfile, cert_reqs=cert_reqs, \
ca_certs=ca_certs, ssl_version=version, \
server_side=self.accepted, \
do_handshake_on_connect=False)
self.tls_handshake()
return True
def stop_tls(self):
self.tls_shutdown = True
try:
self.socket = self.socket.unwrap()
except ssl.SSLError as err:
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
self.tls_handshake_stage = 1
self.runloop.update_socket(self)
return False
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
self.tls_handshake_stage = 2
self.runloop.update_socket(self)
return False
else:
raise
self.tls_shutdown = False
self.tls_handshake_stage = None
if self.closing:
self.close()
else:
self.runloop.update_socket(self)
return True
def tls_cipher(self):
if not self.has_tls():
return
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.cipher()
def tls_peer_certificate(self, binary_form=False):
if not self.has_tls():
return
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.getpeercert(binary_form)
# Connecting
def connect(self, host, port, timeout=None):
"""
Try to establish a connection with host and port.
If a timeout is defined, after this timeout has been reached the
TCPSocket will stop trying to connect and the socket_connection_timeout
TCPSocketDelegate method will be called.
If the socket establishes the connection before the timeout
socket_did_connect TCPSocketDelegate method will be called.
"""
#if not self.delegate:
# raise SocketException("Attempting to accept without a delegate. Set a delegate first.")
if self.socket != None:
raise SocketException("Attempting to accept while connected or accepting connections. Disconnect first.")
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.connecting_address = (host, port)
self.runloop.register_socket(self)
try:
self.socket.connect((host, port))
except socket.error as e:
if e.errno in (errno.EINPROGRESS, errno.EALREADY, errno.EWOULDBLOCK):
if timeout:
self.connect_timeout = Timer(timeout, self.connection_timeout, False, (host, port), runloop=self.runloop)
return
return self.close(e)
self.did_connect()
def connection_timeout(self, timer):
self.close()
self.socket_connection_timeout(*timer.data)
def did_connect(self):
self.connected = True
self.runloop.update_socket(self)
if self.connect_timeout:
self.connect_timeout.invalidate()
# Lets make sure that this connection wasn't refused.
try:
self.socket.recv(0)
except socket.error as e:
if e.errno == errno.ECONNREFUSED:
self.socket_connection_refused()
self.close()
return
self.socket_did_connect()
def accept(self, host='', port=0):
if not self.delegate:
raise SocketException("Attempting to accept without a delegate. Set a delegate first.")
if self.socket != None:
raise SocketException("Attempting to accept while connected or accepting connections. Disconnect first.")
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.runloop.register_socket(self)
try:
self.socket.bind((host, port))
except socket.error as e:
if e.errno == errno.EADDRINUSE:
self.close()
self.socket_address_in_use(host, port)
return
elif e.errno == errno.EACCES:
self.close()
self.socket_address_refused(host, port)
return
raise e
self.socket.listen(5)
self.accepting = True
self.runloop.update_socket(self)
self.socket_accepting(host, port)
def accept_from_socket(self):
client, address = self.socket.accept()
new_sock = self.__class__(self.delegate)
new_sock.socket = client
new_sock.socket.setblocking(0)
self.socket_did_accept_new_socket(new_sock)
runloop = self.socket_wants_runloop_for_new_socket(new_sock)
new_sock.runloop = runloop or self.runloop
new_sock.configure()
def tls_handshake(self):
if not self.has_tls():
return
try:
self.socket.do_handshake()
self.tls_handshake_stage = None
self.runloop.update_socket(self)
self.socket_did_secure()
except ssl.SSLError as err:
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
self.tls_handshake_stage = 1
self.runloop.update_socket(self)
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
self.tls_handshake_stage = 2
self.runloop.update_socket(self)
else:
raise
# Disconnect
def close(self, err=None):
"""
Disconnect or stop accepting.
"""
if (self.connected or self.accepted or self.accepting or err):
self.socket_did_disconnect(err)
if self.socket != None:
if isinstance(self.socket, ssl.SSLSocket):
if not self.stop_tls():
self.closing = True
return
self.runloop.unregister_socket(self)
self.socket.close()
self.socket = None
self.closing = False
self.connected = False
self.accepting = False
# Reading
def read_data(self, data):
if hasattr(self.delegate, 'socket_read_data'):
self.delegate.socket_read_data(self, data)
def dequeue_buffer(self):
while self.read_buffer:
if self.read_until_data != None:
index = self.read_buffer.find(self.read_until_data)
if index == -1:
break
read_until_data_length = len(self.read_until_data)
data = self.read_buffer[:index + read_until_data_length]
self.read_buffer = self.read_buffer[index + read_until_data_length:]
yield data
elif self.read_until_length != None:
if self.read_until_length > len(self.read_buffer):
break
data = self.read_buffer[:self.read_until_length]
self.read_buffer = self.read_buffer[self.read_until_length:]
yield data
else:
data = self.read_buffer
self.read_buffer = bytes()
yield data
def bytes_availible(self):
if self.socket == None:
return
try:
if isinstance(self.socket, ssl.SSLSocket):
data = self.socket.read(8192)
else:
data = self.socket.recv(8192)
except socket.error as e:
if e.errno in (errno.ECONNRESET, errno.ENOTCONN):
data = None
if not data:
self.close()
else:
self.read_buffer += data
self.downloaded_bytes += len(data)
for data in self.dequeue_buffer():
if self.buffer_type:
data = data.decode(self.buffer_type)
self.read_data(data)
# Writing
def send(self, data):
if self.tls_handshake_stage is not None:
return
self.uploaded_bytes += len(data)
if not isinstance(data, bytes):
data = data.encode(self.buffer_type)
try:
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.write(data)
return self.socket.send(data)
except socket.error as e:
if e.errno == errno.EWOULDBLOCK:
return 0
raise e
# Diagnostics
def fileno(self):
if self.socket != None:
return self.socket.fileno()
return -1
def connected_host(self):
if self.socket == None:
return ''
try:
return self.socket.getpeername()[0]
except socket.error:
return ''
def connected_port(self):
if self.socket == None:
return 0
try:
return self.socket.getpeername()[1]
except socket.error as e:
return -1
def local_host(self):
if self.socket == None:
return ''
try:
return self.socket.getsockname()[0]
except socket.error:
return ''
def local_port(self):
if self.socket == None:
return 0
try:
return self.socket.getsockname()[1]
except socket.error:
return 0
# Runloop Callbacks
def readable(self):
return self.socket != None
def writable(self):
if self.socket != None:
if self.tls_handshake_stage == 2:
return True
if not self.accepting:
return not self.connected
return False
def handle_read_event(self):
if self.socket == None:
return
if self.tls_handshake_stage is not None:
if self.tls_shutdown:
self.stop_tls()
else:
self.tls_handshake()
elif self.accepting:
self.accept_from_socket()
elif not self.connected:
self.did_connect()
self.bytes_availible()
else:
self.bytes_availible()
def handle_write_event(self):
if self.socket == None:
return
if self.tls_handshake_stage is not None:
if self.tls_shutdown:
self.stop_tls()
else:
self.tls_handshake()
elif not self.connected and not self.accepting:
self.did_connect()
def handle_except_event(self):
pass
def socket_did_disconnect(self, err=None):
if hasattr(self.delegate, 'socket_did_disconnect'):
self.delegate.socket_did_disconnect(self, err)
def socket_did_accept_new_socket(self, new_sock):
if hasattr(self.delegate, 'socket_did_accept_new_socket'):
self.delegate.socket_did_accept_new_socket(self, new_sock)
def socket_wants_runloop_for_new_socket(self, new_sock):
if hasattr(self.delegate, 'socket_wants_runloop_for_new_socket'):
return self.delegate.socket_wants_runloop_for_new_socket(self, new_sock)
def socket_will_connect(self):
if hasattr(self.delegate, 'socket_will_connect'):
return self.delegate.socket_will_connect(self)
return True
def socket_connection_refused(self):
if hasattr(self.delegate, 'socket_connection_refused'):
self.delegate.socket_connection_refused(self, self.connecting_address[0], self.connecting_address[1])
def socket_did_connect(self):
if hasattr(self.delegate, 'socket_did_connect'):
self.delegate.socket_did_connect(self, self.connected_host(), self.connected_port())
def socket_connection_timeout(self, host, port):
if hasattr(self.delegate, 'socket_connection_timeout'):
self.delegate.socket_connection_timeout(self, host, port)
def socket_address_in_use(self, host, port):
if hasattr(self.delegate, 'socket_address_in_use'):
self.delegate.socket_address_in_use(self, host, port)
def socket_address_refused(self, host, port):
if hasattr(self.delegate, 'socket_address_refused'):
self.delegate.socket_address_refused(self, host, port)
def socket_accepting(self, host, port):
if hasattr(self.delegate, 'socket_accepting'):
self.delegate.socket_accepting(self, host, port)
def socket_did_secure(self):
if hasattr(self.delegate, 'socket_did_secure'):
self.delegate.socket_did_secure(self)
class TCPSocket(object):
def __init__(self, delegate=None, runloop=None):
"""
The delegate is an object which follows the TCPSocketDelegate protocol.
"""
self.delegate = delegate
self.socket = None
self.connected = False
self.accepting = False
self.accepted = False
self.closing = False
self.connect_timeout = None
self.tls_handshake_stage = None
self.tls_shutdown = False
self.read_until_data = None
self.read_until_length = None
self.read_buffer = bytes()
self.buffer_type = 'utf-8'
self.uploaded_bytes = 0
self.downloaded_bytes = 0
self.runloop = runloop
def __str__(self):
if self.connected:
return '{}:{}'.format(self.connected_host(), self.connected_port())
elif self.accepting:
return '{}:{}'.format(self.local_host(), self.local_port())
return ''
def __repr__(self):
if self.connected:
return '<TCPSocket connect({}:{})>'.format(self.connected_host(),
self.connected_port())
elif self.accepting:
return '<TCPSocket listen({}:{})>'.format(self.local_host(),
self.local_port())
elif self.socket != None:
return '<TCPSocket connecting>'
return '<TCPSocket>'
def __del__(self):
self.close()
def __nonzero__(self):
return (self.socket != None) and self.connected or self.accepting
def __eq__(self, other):
if self.socket is not None and other == self.fileno():
return True
if id(self) == id(other):
return True
return False
# Configuration
def configure(self):
self.accepted = True
self.runloop.register_socket(self)
if not self.socket_will_connect():
self.close()
@property
def runloop(self):
if not self._runloop:
self._runloop = DefaultRunloop.default()
return self._runloop
@runloop.setter
def runloop(self, runloop):
self._runloop = runloop
# TLS
def has_tls(self):
return ssl is not None
def start_tls(self, keyfile=None, certfile=None, cert_reqs=ssl.CERT_NONE, \
ca_certs=None, version=ssl.PROTOCOL_SSLv23):
if not self.has_tls():
return False
if self.socket is None:
return False
self.socket = ssl.SSLSocket(self.socket, keyfile=keyfile, \
certfile=certfile, cert_reqs=cert_reqs, \
ca_certs=ca_certs, ssl_version=version, \
server_side=self.accepted, \
do_handshake_on_connect=False)
self.tls_handshake()
return True
def stop_tls(self):
self.tls_shutdown = True
try:
self.socket = self.socket.unwrap()
except ssl.SSLError as err:
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
self.tls_handshake_stage = 1
self.runloop.update_socket(self)
return False
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
self.tls_handshake_stage = 2
self.runloop.update_socket(self)
return False
else:
raise
self.tls_shutdown = False
self.tls_handshake_stage = None
if self.closing:
self.close()
else:
self.runloop.update_socket(self)
return True
def tls_cipher(self):
if not self.has_tls():
return
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.cipher()
def tls_peer_certificate(self, binary_form=False):
if not self.has_tls():
return
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.getpeercert(binary_form)
# Connecting
def connect(self, host, port, timeout=None):
"""
Try to establish a connection with host and port.
If a timeout is defined, after this timeout has been reached the
TCPSocket will stop trying to connect and the socket_connection_timeout
TCPSocketDelegate method will be called.
If the socket establishes the connection before the timeout
socket_did_connect TCPSocketDelegate method will be called.
"""
#if not self.delegate:
# raise SocketException("Attempting to accept without a delegate. Set a delegate first.")
if self.socket != None:
raise SocketException(
"Attempting to accept while connected or accepting connections. Disconnect first."
)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.connecting_address = (host, port)
self.runloop.register_socket(self)
try:
self.socket.connect((host, port))
except socket.error as e:
if e.errno in (errno.EINPROGRESS, errno.EALREADY,
errno.EWOULDBLOCK):
if timeout:
self.connect_timeout = Timer(timeout,
self.connection_timeout,
False, (host, port),
runloop=self.runloop)
return
return self.close(e)
self.did_connect()
def connection_timeout(self, timer):
self.close()
self.socket_connection_timeout(*timer.data)
def did_connect(self):
self.connected = True
self.runloop.update_socket(self)
if self.connect_timeout:
self.connect_timeout.invalidate()
# Lets make sure that this connection wasn't refused.
try:
self.socket.recv(0)
except socket.error as e:
if e.errno == errno.ECONNREFUSED:
self.socket_connection_refused()
self.close()
return
self.socket_did_connect()
def accept(self, host='', port=0):
if not self.delegate:
raise SocketException(
"Attempting to accept without a delegate. Set a delegate first."
)
if self.socket != None:
raise SocketException(
"Attempting to accept while connected or accepting connections. Disconnect first."
)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.setblocking(0)
self.runloop.register_socket(self)
try:
self.socket.bind((host, port))
except socket.error as e:
if e.errno == errno.EADDRINUSE:
self.close()
self.socket_address_in_use(host, port)
return
elif e.errno == errno.EACCES:
self.close()
self.socket_address_refused(host, port)
return
raise e
self.socket.listen(5)
self.accepting = True
self.runloop.update_socket(self)
self.socket_accepting(host, port)
def accept_from_socket(self):
client, address = self.socket.accept()
new_sock = self.__class__(self.delegate)
new_sock.socket = client
new_sock.socket.setblocking(0)
self.socket_did_accept_new_socket(new_sock)
runloop = self.socket_wants_runloop_for_new_socket(new_sock)
new_sock.runloop = runloop or self.runloop
new_sock.configure()
def tls_handshake(self):
if not self.has_tls():
return
try:
self.socket.do_handshake()
self.tls_handshake_stage = None
self.runloop.update_socket(self)
self.socket_did_secure()
except ssl.SSLError as err:
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
self.tls_handshake_stage = 1
self.runloop.update_socket(self)
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
self.tls_handshake_stage = 2
self.runloop.update_socket(self)
else:
raise
# Disconnect
def close(self, err=None):
"""
Disconnect or stop accepting.
"""
if (self.connected or self.accepted or self.accepting or err):
self.socket_did_disconnect(err)
if self.socket != None:
if isinstance(self.socket, ssl.SSLSocket):
if not self.stop_tls():
self.closing = True
return
self.runloop.unregister_socket(self)
self.socket.close()
self.socket = None
self.closing = False
self.connected = False
self.accepting = False
# Reading
def read_data(self, data):
if hasattr(self.delegate, 'socket_read_data'):
self.delegate.socket_read_data(self, data)
def dequeue_buffer(self):
while self.read_buffer:
if self.read_until_data != None:
index = self.read_buffer.find(self.read_until_data)
if index == -1:
break
read_until_data_length = len(self.read_until_data)
data = self.read_buffer[:index + read_until_data_length]
self.read_buffer = self.read_buffer[index +
read_until_data_length:]
yield data
elif self.read_until_length != None:
if self.read_until_length > len(self.read_buffer):
break
data = self.read_buffer[:self.read_until_length]
self.read_buffer = self.read_buffer[self.read_until_length:]
yield data
else:
data = self.read_buffer
self.read_buffer = bytes()
yield data
def bytes_availible(self):
if self.socket == None:
return
try:
if isinstance(self.socket, ssl.SSLSocket):
data = self.socket.read(8192)
else:
data = self.socket.recv(8192)
except socket.error as e:
if e.errno in (errno.ECONNRESET, errno.ENOTCONN):
data = None
if not data:
self.close()
else:
self.read_buffer += data
self.downloaded_bytes += len(data)
for data in self.dequeue_buffer():
if self.buffer_type:
data = data.decode(self.buffer_type)
self.read_data(data)
# Writing
def send(self, data):
if self.tls_handshake_stage is not None:
return
self.uploaded_bytes += len(data)
if not isinstance(data, bytes):
data = data.encode(self.buffer_type)
try:
if isinstance(self.socket, ssl.SSLSocket):
return self.socket.write(data)
return self.socket.send(data)
except socket.error as e:
if e.errno == errno.EWOULDBLOCK:
return 0
raise e
# Diagnostics
def fileno(self):
if self.socket != None:
return self.socket.fileno()
return -1
def connected_host(self):
if self.socket == None:
return ''
try:
return self.socket.getpeername()[0]
except socket.error:
return ''
def connected_port(self):
if self.socket == None:
return 0
try:
return self.socket.getpeername()[1]
except socket.error as e:
return -1
def local_host(self):
if self.socket == None:
return ''
try:
return self.socket.getsockname()[0]
except socket.error:
return ''
def local_port(self):
if self.socket == None:
return 0
try:
return self.socket.getsockname()[1]
except socket.error:
return 0
# Runloop Callbacks
def readable(self):
return self.socket != None
def writable(self):
if self.socket != None:
if self.tls_handshake_stage == 2:
return True
if not self.accepting:
return not self.connected
return False
def handle_read_event(self):
if self.socket == None:
return
if self.tls_handshake_stage is not None:
if self.tls_shutdown:
self.stop_tls()
else:
self.tls_handshake()
elif self.accepting:
self.accept_from_socket()
elif not self.connected:
self.did_connect()
self.bytes_availible()
else:
self.bytes_availible()
def handle_write_event(self):
if self.socket == None:
return
if self.tls_handshake_stage is not None:
if self.tls_shutdown:
self.stop_tls()
else:
self.tls_handshake()
elif not self.connected and not self.accepting:
self.did_connect()
def handle_except_event(self):
pass
def socket_did_disconnect(self, err=None):
if hasattr(self.delegate, 'socket_did_disconnect'):
self.delegate.socket_did_disconnect(self, err)
def socket_did_accept_new_socket(self, new_sock):
if hasattr(self.delegate, 'socket_did_accept_new_socket'):
self.delegate.socket_did_accept_new_socket(self, new_sock)
def socket_wants_runloop_for_new_socket(self, new_sock):
if hasattr(self.delegate, 'socket_wants_runloop_for_new_socket'):
return self.delegate.socket_wants_runloop_for_new_socket(
self, new_sock)
def socket_will_connect(self):
if hasattr(self.delegate, 'socket_will_connect'):
return self.delegate.socket_will_connect(self)
return True
def socket_connection_refused(self):
if hasattr(self.delegate, 'socket_connection_refused'):
self.delegate.socket_connection_refused(self,
self.connecting_address[0],
self.connecting_address[1])
def socket_did_connect(self):
if hasattr(self.delegate, 'socket_did_connect'):
self.delegate.socket_did_connect(self, self.connected_host(),
self.connected_port())
def socket_connection_timeout(self, host, port):
if hasattr(self.delegate, 'socket_connection_timeout'):
self.delegate.socket_connection_timeout(self, host, port)
def socket_address_in_use(self, host, port):
if hasattr(self.delegate, 'socket_address_in_use'):
self.delegate.socket_address_in_use(self, host, port)
def socket_address_refused(self, host, port):
if hasattr(self.delegate, 'socket_address_refused'):
self.delegate.socket_address_refused(self, host, port)
def socket_accepting(self, host, port):
if hasattr(self.delegate, 'socket_accepting'):
self.delegate.socket_accepting(self, host, port)
def socket_did_secure(self):
if hasattr(self.delegate, 'socket_did_secure'):
self.delegate.socket_did_secure(self)