From cae7c1d824fa77bb100356a7ed81f16b88e531c0 Mon Sep 17 00:00:00 2001 From: Antoine Pitrou Date: Sun, 2 Jan 2011 22:35:59 +0000 Subject: [PATCH] Merged revisions 87653-87655 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r87653 | antoine.pitrou | 2011-01-02 23:06:53 +0100 (dim., 02 janv. 2011) | 3 lines Clarify behaviour of close() and shutdown() on sockets. ........ r87654 | antoine.pitrou | 2011-01-02 23:09:27 +0100 (dim., 02 janv. 2011) | 3 lines Add a shutdown() call in the server example. ........ r87655 | antoine.pitrou | 2011-01-02 23:12:22 +0100 (dim., 02 janv. 2011) | 3 lines Some nits. ........ --- Doc/library/socket.rst | 21 +++++++++++++++------ Doc/library/ssl.rst | 25 ++++++++++++++----------- 2 files changed, 29 insertions(+), 17 deletions(-) diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst index bbe512b52da..48773012950 100644 --- a/Doc/library/socket.rst +++ b/Doc/library/socket.rst @@ -26,6 +26,15 @@ files, buffer allocation on receive operations is automatic, and buffer length is implicit on send operations. +.. seealso:: + + Module :mod:`socketserver` + Classes that simplify writing network servers. + + Module :mod:`ssl` + A TLS/SSL wrapper for socket objects. + + Socket families --------------- @@ -487,12 +496,6 @@ The module :mod:`socket` exports the following constants and functions: same as ``type(socket(...))``. -.. seealso:: - - Module :mod:`socketserver` - Classes that simplify writing network servers. - - .. _socket-objects: Socket Objects @@ -522,6 +525,12 @@ correspond to Unix system calls applicable to sockets. remote end will receive no more data (after queued data is flushed). Sockets are automatically closed when they are garbage-collected. + .. note:: + :meth:`close()` releases the resource associated with a connection but + does not necessarily close the connection immediately. If you want + to close the connection in a timely fashion, call :meth:`shutdown()` + before :meth:`close()`. + .. method:: socket.connect(address) diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst index d3770722d66..2902318648e 100644 --- a/Doc/library/ssl.rst +++ b/Doc/library/ssl.rst @@ -1,8 +1,8 @@ -:mod:`ssl` --- SSL wrapper for socket objects -============================================= +:mod:`ssl` --- TLS/SSL wrapper for socket objects +================================================= .. module:: ssl - :synopsis: SSL wrapper for socket objects + :synopsis: TLS/SSL wrapper for socket objects .. moduleauthor:: Bill Janssen .. sectionauthor:: Bill Janssen @@ -537,13 +537,17 @@ the other end, and use :func:`wrap_socket` to create a server-side SSL context for it:: while True: - newsocket, fromaddr = bindsocket.accept() - connstream = ssl.wrap_socket(newsocket, - server_side=True, - certfile="mycertfile", - keyfile="mykeyfile", - ssl_version=ssl.PROTOCOL_TLSv1) - deal_with_client(connstream) + newsocket, fromaddr = bindsocket.accept() + connstream = ssl.wrap_socket(newsocket, + server_side=True, + certfile="mycertfile", + keyfile="mykeyfile", + ssl_version=ssl.PROTOCOL_TLSv1) + try: + deal_with_client(connstream) + finally: + connstream.shutdown(socket.SHUT_RDWR) + connstream.close() Then you'd read data from the ``connstream`` and do something with it till you are finished with the client (or the client is finished with you):: @@ -559,7 +563,6 @@ are finished with the client (or the client is finished with you):: break data = connstream.read() # finished with client - connstream.close() And go back to listening for new client connections.