def __init__(self,
endpoint,
connCallback = None,
stateCallback = None,
sockReadCallback = None,
sockStateCallback = None,
name = "",
):
"""Construct a socket server
Inputs:
- endpoint: a Twisted endpoint, e.g. twisted.internet.endpoints.TCP4ClientEndpoint
- connCallback: function to call when a client connects; it receives the following arguments:
- sock, a Socket
- stateCallback: function to call when server changes state; it receives one argument: this server
- sockReadCallback: function for each server socket to call when it receives data;
See BaseSocket.addReadCallback for details
- sockStateCallback: function for each server socket to call when it receives data
See BaseSocket.addStateCallback for details
- name: a string to identify this socket; strictly optional
"""
self._endpoint = endpoint
self._protocol = None
self._closeDeferred = None
BaseServer.__init__(self,
connCallback = connCallback,
stateCallback = stateCallback,
sockReadCallback = sockReadCallback,
sockStateCallback = sockStateCallback,
name = name,
)
self._numConn = 0
Timer(0, self._startListening) # let device be fully constructed before listening
def __init__(self,
endpoint,
connCallback = None,
stateCallback = None,
sockReadCallback = None,
sockStateCallback = None,
name = "",
):
"""Construct a socket server
Inputs:
- endpoint: a Twisted endpoint, e.g. twisted.internet.endpoints.TCP4ClientEndpoint
- connCallback: function to call when a client connects; it receives the following arguments:
- sock, a Socket
- stateCallback: function to call when server changes state; it receives one argument: this server
- sockReadCallback: function for each server socket to call when it receives data;
See BaseSocket.addReadCallback for details
- sockStateCallback: function for each server socket to call when it receives data
See BaseSocket.addStateCallback for details
- name: a string to identify this socket; strictly optional
"""
self._endpoint = endpoint
self._protocol = None
self._closeDeferred = None
BaseServer.__init__(self,
connCallback = connCallback,
stateCallback = stateCallback,
sockReadCallback = sockReadCallback,
sockStateCallback = sockStateCallback,
name = name,
)
self._numConn = 0
Timer(0, self._startListening) # let device be fully constructed before listening
def _clearCallbacks(self):
"""Clear any callbacks added by this class.
Called just after the socket is closed.
"""
BaseServer._clearCallbacks(self)
self._tkSocketWrapper.clearCallbacks()
self._tkNewConn.deregister()
self._tkNewConn = None
def _clearCallbacks(self):
"""Clear any callbacks added by this class. Called just after the socket is closed.
"""
BaseServer._clearCallbacks(self)
self._connCallback = nullCallback
if self._endpointDeferred:
self._endpointDeferred.cancel()
self._endpointDeferred = None
if self._closeDeferred:
self._closeDeferred.cancel()
self._closeDeferred = None
def _clearCallbacks(self):
"""Clear any callbacks added by this class. Called just after the socket is closed.
"""
BaseServer._clearCallbacks(self)
self._connCallback = nullCallback
if self._endpointDeferred:
self._endpointDeferred.cancel()
self._endpointDeferred = None
if self._closeDeferred:
self._closeDeferred.cancel()
self._closeDeferred = None
def __init__(
self,
connCallback=nullCallback,
port=0,
stateCallback=nullCallback,
sockReadCallback=nullCallback,
sockStateCallback=nullCallback,
name="",
):
"""Construct a socket server
Inputs:
- connCallback: function to call when a client connects; it receives the following arguments:
- sock, a Socket
- port port number or name of supported service;
if 0 then a port is automatically chosen
- stateCallback: function to call when server changes state; it receives one argument: this server
- sockReadCallback: function for each server socket to call when it receives data;
See BaseSocket.setReadCallback for details
- sockStateCallback: function for each server socket to call when it receives data
See BaseSocket.addStateCallback for details
- name: a string to identify this socket; strictly optional
Warning: stateCallback does not get all state changes reliably.
It gets Listening as soon as the server is created (even though it is not listening yet)
and the only other notice is closure when close is called.
"""
self._port = port
self._connCallback = connCallback
BaseServer.__init__(
self,
connCallback=connCallback,
stateCallback=stateCallback,
sockReadCallback=sockReadCallback,
sockStateCallback=sockStateCallback,
name=name,
)
self._tkNewConn = RO.TkUtil.TclFunc(self._newConnection)
sockArgs = (
'-server',
self._tkNewConn.tclFuncName,
port,
)
self._tkSocketWrapper = _TkSocketWrapper(sockArgs=sockArgs, name=name)
self._setState(BaseServer.Listening)
def __init__(self,
connCallback = nullCallback,
port = 0,
stateCallback = nullCallback,
sockReadCallback = nullCallback,
sockStateCallback = nullCallback,
name = "",
):
"""Construct a socket server
Inputs:
- connCallback: function to call when a client connects; it receives the following arguments:
- sock, a Socket
- port port number or name of supported service;
if 0 then a port is automatically chosen
- stateCallback: function to call when server changes state; it receives one argument: this server
- sockReadCallback: function for each server socket to call when it receives data;
See BaseSocket.setReadCallback for details
- sockStateCallback: function for each server socket to call when it receives data
See BaseSocket.addStateCallback for details
- name: a string to identify this socket; strictly optional
Warning: stateCallback does not get all state changes reliably.
It gets Listening as soon as the server is created (even though it is not listening yet)
and the only other notice is closure when close is called.
"""
self._port = port
self._connCallback = connCallback
BaseServer.__init__(self,
connCallback = connCallback,
stateCallback = stateCallback,
sockReadCallback = sockReadCallback,
sockStateCallback = sockStateCallback,
name = name,
)
self._tkNewConn = RO.TkUtil.TclFunc(self._newConnection)
sockArgs = (
'-server', self._tkNewConn.tclFuncName,
port,
)
self._tkSocketWrapper = _TkSocketWrapper(sockArgs=sockArgs, name=name)
self._setState(BaseServer.Listening)
