mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
ff0b54f0da
--HG-- extra : rebase_source : 2e33d054a13824d1a7e527777383820946684c3f
112 lines
4.3 KiB
Python
112 lines
4.3 KiB
Python
# Copyright 2009, Google Inc.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above
|
|
# copyright notice, this list of conditions and the following disclaimer
|
|
# in the documentation and/or other materials provided with the
|
|
# distribution.
|
|
# * Neither the name of Google Inc. nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
|
"""Web Socket extension for Apache HTTP Server.
|
|
|
|
mod_pywebsocket is a Web Socket extension for Apache HTTP Server
|
|
intended for testing or experimental purposes. mod_python is required.
|
|
|
|
Installation:
|
|
|
|
0. Prepare an Apache HTTP Server for which mod_python is enabled.
|
|
|
|
1. Specify the following Apache HTTP Server directives to suit your
|
|
configuration.
|
|
|
|
If mod_pywebsocket is not in the Python path, specify the following.
|
|
<websock_lib> is the directory where mod_pywebsocket is installed.
|
|
|
|
PythonPath "sys.path+['<websock_lib>']"
|
|
|
|
Always specify the following. <websock_handlers> is the directory where
|
|
user-written Web Socket handlers are placed.
|
|
|
|
PythonOption mod_pywebsocket.handler_root <websock_handlers>
|
|
PythonHeaderParserHandler mod_pywebsocket.headerparserhandler
|
|
|
|
To limit the search for Web Socket handlers to a directory <scan_dir>
|
|
under <websock_handlers>, configure as follows:
|
|
|
|
PythonOption mod_pywebsocket.handler_scan <scan_dir>
|
|
|
|
<scan_dir> is useful in saving scan time when <websock_handlers>
|
|
contains many non-Web Socket handler files.
|
|
|
|
If you want to support old handshake based on
|
|
draft-hixie-thewebsocketprotocol-75:
|
|
|
|
PythonOption mod_pywebsocket.allow_draft75 On
|
|
|
|
|
|
Example snippet of httpd.conf:
|
|
(mod_pywebsocket is in /websock_lib, Web Socket handlers are in
|
|
/websock_handlers, port is 80 for ws, 443 for wss.)
|
|
|
|
<IfModule python_module>
|
|
PythonPath "sys.path+['/websock_lib']"
|
|
PythonOption mod_pywebsocket.handler_root /websock_handlers
|
|
PythonHeaderParserHandler mod_pywebsocket.headerparserhandler
|
|
</IfModule>
|
|
|
|
Writing Web Socket handlers:
|
|
|
|
When a Web Socket request comes in, the resource name
|
|
specified in the handshake is considered as if it is a file path under
|
|
<websock_handlers> and the handler defined in
|
|
<websock_handlers>/<resource_name>_wsh.py is invoked.
|
|
|
|
For example, if the resource name is /example/chat, the handler defined in
|
|
<websock_handlers>/example/chat_wsh.py is invoked.
|
|
|
|
A Web Socket handler is composed of the following two functions:
|
|
|
|
web_socket_do_extra_handshake(request)
|
|
web_socket_transfer_data(request)
|
|
|
|
where:
|
|
request: mod_python request.
|
|
|
|
web_socket_do_extra_handshake is called during the handshake after the
|
|
headers are successfully parsed and Web Socket properties (ws_location,
|
|
ws_origin, ws_protocol, and ws_resource) are added to request. A handler
|
|
can reject the request by raising an exception.
|
|
|
|
web_socket_transfer_data is called after the handshake completed
|
|
successfully. A handler can receive/send messages from/to the client
|
|
using request. mod_pywebsocket.msgutil module provides utilities
|
|
for data transfer.
|
|
|
|
A Web Socket handler must be thread-safe if the server (Apache or
|
|
standalone.py) is configured to use threads.
|
|
"""
|
|
|
|
|
|
# vi:sts=4 sw=4 et tw=72
|