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69c1a5c854
Trim trailing whitespace... no func change git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1174747 13f79535-47bb-0310-9956-ffa450edef68
59 lines
2.5 KiB
XML
59 lines
2.5 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
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<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
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<!-- $LastChangedRevision$ -->
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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<modulesynopsis metafile="mod_proxy_fdpass.xml.meta">
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<name>mod_proxy_fdpass</name>
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<description>fdpass external process support module for
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<module>mod_proxy</module></description>
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<status>Extension</status>
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<sourcefile>mod_proxy_fdpass.c</sourcefile>
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<identifier>proxy_fdpass_module</identifier>
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<compatibility>Available for unix in version 2.3 and later</compatibility>
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<summary>
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<p>This module <em>requires</em> the service of <module
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>mod_proxy</module>. It provides support for the passing the socket of the
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client to another process.</p>
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<p><code>mod_proxy_fdpass</code> uses the ability of AF_UNIX domain
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sockets to <a href="http://www.freebsd.org/cgi/man.cgi?query=recv">pass an
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open file descriptor</a> to allow another process to finish handling a request.
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</p>
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<p>The module has a <code>proxy_fdpass_flusher</code> provider interface,
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which allows another module to optionally send the response headers, or even
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the start of the response body. The default flush provider disables keep-alive,
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and sends the response headers, letting the external process just send a
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response body.</p>
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<p>At this time the only data passed to the external process is the client
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socket. To receive a client socket, call recvfrom with an allocated
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<a href="http://www.kernel.org/doc/man-pages/online/pages/man3/cmsg.3.html"
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><code>struct cmsghdr</code></a>. Future versions of this module may include
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more data after the client socket, but this is not implemented at this time.
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</p>
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</summary>
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<seealso><module>mod_proxy</module></seealso>
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</modulesynopsis>
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