diff options
| -rw-r--r-- | Doc/library/socketserver.rst | 9 | ||||
| -rw-r--r-- | Lib/SocketServer.py | 8 |
2 files changed, 16 insertions, 1 deletions
diff --git a/Doc/library/socketserver.rst b/Doc/library/socketserver.rst index 078f216..bf93cce 100644 --- a/Doc/library/socketserver.rst +++ b/Doc/library/socketserver.rst @@ -223,6 +223,15 @@ The server classes support the following class variables: desired. If :meth:`handle_request` receives no incoming requests within the timeout period, the :meth:`handle_timeout` method is called. +.. attribute:: TCPServer.disable_nagle_algorithm + + If set to True, it will set the TCP_NODELAY attribute of new requests + connections. This can help alleviate problems with latency in + request-response type applications. To avoid sending many small packets, + this option should be used only when bufferning output, such as when + setting :attr:`StreamRequestHandler.wbufsize` attribute to -1. + + .. versionadded:: 2.7 There are various server methods that can be overridden by subclasses of base server classes like :class:`TCPServer`; these methods aren't useful to external diff --git a/Lib/SocketServer.py b/Lib/SocketServer.py index f01cb5f..5f8facc 100644 --- a/Lib/SocketServer.py +++ b/Lib/SocketServer.py @@ -374,6 +374,7 @@ class TCPServer(BaseServer): - socket_type - request_queue_size (only for stream sockets) - allow_reuse_address + - disable_nagle_algorithm Instance variables: @@ -391,6 +392,8 @@ class TCPServer(BaseServer): allow_reuse_address = False + disable_nagle_algorithm = False + def __init__(self, server_address, RequestHandlerClass, bind_and_activate=True): """Constructor. May be extended, do not override.""" BaseServer.__init__(self, server_address, RequestHandlerClass) @@ -441,7 +444,10 @@ class TCPServer(BaseServer): May be overridden. """ - return self.socket.accept() + request = self.socket.accept() + if self.disable_nagle_algorithm: + request[0].setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, True) + return request def close_request(self, request): """Called to clean up an individual request.""" |