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-<TITLE>Apache module mod_isapi</TITLE>
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-<!--#include virtual="header.html" -->
+URI: mod_isapi.html.en
+Content-Language: en
+Content-type: text/html; charset=ISO-8859-1
-<H1 ALIGN="CENTER">Module mod_isapi</H1>
+URI: mod_isapi.html.fr
+Content-Language: fr
+Content-type: text/html; charset=ISO-8859-1
-<P>This module supports ISAPI Extensions within Apache for Windows.</P>
-
-<P><A
-HREF="module-dict.html#Status"
-REL="Help"
-><STRONG>Status:</STRONG></A> Base
-<BR>
-<A
-HREF="module-dict.html#SourceFile"
-REL="Help"
-><STRONG>Source File:</STRONG></A> mod_isapi.c
-<BR>
-<A
-HREF="module-dict.html#ModuleIdentifier"
-REL="Help"
-><STRONG>Module Identifier:</STRONG></A> isapi_module
-<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> WIN32 only
-</P>
-
-<H2>Summary</H2>
-
-<P>This module implements the Internet Server extension API. It allows
- Internet Server extensions (<EM>e.g.</EM> ISAPI .dll modules) to be
- served by Apache for Windows, subject to the noted restrictions.</P>
-
-<P>ISAPI extension modules (.dll files) are written by third parties. The
- Apache Group does not author these modules, so we provide no support for
- them. Please contact the ISAPI's author directly if you are experiencing
- problems running their ISAPI extention. <STRONG>Please <EM>do not</EM>
- post such problems to Apache's lists or bug reporting pages.</STRONG></P>
-
-<H2>Directives</H2>
-<UL>
-<LI><A HREF="#isapifilecache">ISAPIFileCache</A>
-<LI><A HREF="#isapireadaheadbuffer">ISAPIReadAheadBuffer</A>
-<LI><A HREF="#isapilognotsupported">ISAPILogNotSupported</A>
-<LI><A HREF="#isapiappendlogtoerrors">ISAPIAppendLogToErrors</A>
-<LI><A HREF="#isapiappendlogtoquery">ISAPIAppendLogToQuery</A>
-</UL>
-
-<H2>Usage</H2>
-
-<P>In the server configuration file, use the AddHandler directive to
- associate ISAPI files with the <CODE>isapi-isa</CODE> handler, and map
- it to the with their file extensions. To enable any .dll file to be
- processed as an ISAPI extention, edit the httpd.conf file and add the
- following line:</P>
-
-<PRE>
- AddHandler isapi-isa .dll
-</PRE>
-
-<P>There is no capability within the Apache server to leave a requested
- module loaded. However, you may preload and keep a specific module loaded
- by using the following syntax in your httpd.conf:
-
-<PRE>
- ISAPICacheFile c:/WebWork/Scripts/ISAPI/mytest.dll
-</PRE>
-
-<P>Whether or not you have preloaded an ISAPI extension, all ISAPI
- extensions are governed by the same permissions and restrictions
- as CGI scripts. That is, <CODE>Options ExecCGI</CODE> must be set for
- the directory that contains the ISAPI .dll file.</P>
-
-<P>Review the <A HREF="#notes">Additional Notes</A> and the
- <A HREF="#journal">Programmer's Journal</A> for additional details and
- clarification of the specific ISAPI support offered by mod_isapi.</P>
-
-<H2><A NAME="notes">Additional Notes</A></H2>
-
-<P>Apache's ISAPI implementation conforms to all of the ISAPI 2.0
- specification, except for some "Microsoft-specific" extensions dealing
- with asynchronous I/O. Apache's I/O model does not allow asynchronous
- reading and writing in a manner that the ISAPI could access. If an ISA
- tries to access unsupported features, including async I/O, a message is
- placed in the error log to help with debugging. Since these messages
- can become a flood, the directive <CODE>ISAPILogNotSupported Off</CODE>
- exists to quiet this noise.</P>
-
-<P>Some servers, like Microsoft IIS, load the ISAPI extension into the server
- and keep it loaded until memory usage is too high, or unless configuration
- options are specified. Apache currently loads and unloads the ISAPI
- extension each time it is requested, unless the ISAPICacheFile directive
- is specified. This is inefficient, but Apache's memory model makes this
- the most effective method. Many ISAPI modules are subtly incompatible
- with the Apache server, and unloading these modules helps to ensure the
- stability of the server.</P>
-
-<P>Also, remember that while Apache supports ISAPI Extensions, it
- <STRONG>does not support ISAPI Filters.</STRONG> Support for filters may
- be added at a later date, but no support is planned at this time.</P>
-
-<H2><A NAME="journal">Programmer's Journal</A></H2>
-
-<P>If you are programming Apache 2.0 mod_isapi modules, you must limit your
- calls to ServerSupportFunction to the following directives:</P>
-
-<DL>
- <DT>HSE_REQ_SEND_URL_REDIRECT_RESP
- <DD>Redirect the user to another location.<BR>
- This must be a fully qualified URL (e.g. http://server/location).
- <DT>HSE_REQ_SEND_URL
- <DD>Redirect the user to another location.<BR>
- This cannot be a fully qualified URL, you are not allowed
- to pass the protocol or a server name (e.g. simply /location).<BR>
- This redirection is handled by the server, not the browser.<BR>
- <STRONG>Warning:</STRONG> in their recent documentation, Microsoft
- appears to have abandoned the distinction between the two
- HSE_REQ_SEND_URL functions. Apache continues to treat them as two
- distinct functions with different requirements and behaviors.
- <DT>HSE_REQ_SEND_RESPONSE_HEADER
- <DD>Apache accepts a response body following the header if it follows
- the blank line (two consecutive newlines) in the headers string
- argument. This body cannot contain NULLs, since the headers
- argument is NULL terminated.
- <DT>HSE_REQ_DONE_WITH_SESSION
- <DD>Apache considers this a no-op, since the session will be finished
- when the ISAPI returns from processing.
- <DT>HSE_REQ_MAP_URL_TO_PATH
- <DD>Apache will translate a virtual name to a physical name.
- <DT>HSE_APPEND_LOG_PARAMETER
- <DD>This logged message may be captured in any of the following logs:
- <UL>
- <LI>in the \"%{isapi-parameter}n\" component in a CustomLog directive
- <LI>in the %q log component with the ISAPIAppendLogToQuery On directive
- <LI>in the error log with the ISAPIAppendLogToErrors On directive
- </UL>
- The first option, the %{isapi-parameter}n component, is always available
- and prefered.
- <DT>HSE_REQ_IS_KEEP_CONN
- <DD>Will return the negotiated Keep-Alive status.
- <DT>HSE_REQ_SEND_RESPONSE_HEADER_EX
- <DD>Will behave as documented, although the fKeepConn flag is ignored.
- <DT>HSE_REQ_IS_CONNECTED
- <DD>Will report false if the request has been aborted.
-</DL>
-
-<P>Apache returns FALSE to any unsupported call to ServerSupportFunction, and
- sets the GetLastError value to ERROR_INVALID_PARAMETER.</P>
-
-<P>ReadClient retrieves the request body exceeding the initial buffer
- (defined by ISAPIReadAheadBuffer). Based on the ISAPIReadAheadBuffer
- setting (number of bytes to buffer prior to calling the ISAPI handler)
- shorter requests are sent complete to the extension when it is invoked.
- If the request is longer, the ISAPI extension must use ReadClient to
- retrieve the remaining request body.</P>
-
-<P>WriteClient is supported, but only with the HSE_IO_SYNC flag or
- no option flag (value of 0). Any other WriteClient request will
- be rejected with a return value of FALSE, and a GetLastError
- value of ERROR_INVALID_PARAMETER.</P>
-
-<P>GetServerVariable is supported, although extended server variables do not
- exist (as defined by other servers.) All the usual Apache CGI environment
- variables are available from GetServerVariable, as well as the ALL_HTTP
- and ALL_RAW values.</P>
-
-<P>Apache 2.0 mod_isapi supports additional features introduced in later
- versions of the ISAPI specification, as well as limited emulation of
- async I/O and the TransmitFile semantics. Apache also supports preloading
- ISAPI .dlls for performance, neither of which were not available under
- Apache 1.3 mod_isapi.</P>
-
-<HR>
-
-<H2><A NAME="isapifilecache">ISAPIFileCache directive</A></H2>
-<!--%plaintext <?INDEX {\tt ISAPIFileCache} directive> -->
-<A
- HREF="directive-dict.html#Syntax"
- REL="Help"
-><STRONG>Syntax:</STRONG></A> ISAPIFileCache <EM>file</em> [<em>file</em>] ...<BR>
-<A
- HREF="directive-dict.html#Context"
- REL="Help"
-><STRONG>Context:</STRONG></A> server config<BR>
-<A
- HREF="directive-dict.html#Override"
- REL="Help"
-><STRONG>Override:</STRONG></A> None<BR>
-<A
- HREF="directive-dict.html#Status"
- REL="Help"
-><STRONG>Status:</STRONG></A> Base<BR>
-<A
- HREF="directive-dict.html#Module"
- REL="Help"
-><STRONG>Module:</STRONG></A> mod_isapi<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> Apache 2.0 and later, Win32 only<P>
-
- Specifies a space-separated list of file names to be loaded
- when the Apache server is launched, and remain loaded until
- the server is shut down. This directive may be repeated
- for every ISAPI .dll file desired. The full path name of
- each file should be specified.
- <P>
-<HR>
-
-<H2><A NAME="isapireadaheadbuffer">ISAPIReadAheadBuffer directive</A></H2>
-<!--%plaintext <?INDEX {\tt ISAPIReadAheadBuffer} directive> -->
-<A
- HREF="directive-dict.html#Syntax"
- REL="Help"
-><STRONG>Syntax:</STRONG></A> ISAPIReadAheadBuffer <EM>size</EM><BR>
-<A
- HREF="directive-dict.html#Default"
- REL="Help"
-><STRONG>Default:</STRONG></A> 49152<BR>
-<A
- HREF="directive-dict.html#Context"
- REL="Help"
-><STRONG>Context:</STRONG></A> server config<BR>
-<A
- HREF="directive-dict.html#Override"
- REL="Help"
-><STRONG>Override:</STRONG></A> None<BR>
-<A
- HREF="directive-dict.html#Status"
- REL="Help"
-><STRONG>Status:</STRONG></A> Base<BR>
-<A
- HREF="directive-dict.html#Module"
- REL="Help"
-><STRONG>Module:</STRONG></A> mod_isapi<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> Apache 1.3.13 and later, Win32 only<P>
-
-
- Defines the maximum size of the Read Ahead Buffer sent to
- ISAPI extentions when they are initally invoked. All
- remaining data must be retrieved using the ReadClient
- callback; some ISAPI extensions may not support the
- ReadClient function. Refer questions to the ISAPI extention's
- author.
- <P>
-<HR>
-
-<H2><A NAME="isapilognotsupported">ISAPILogNotSupported directive</A></H2>
-<!--%plaintext <?INDEX {\tt ISAPILogNotSupported} directive> -->
-<A
- HREF="directive-dict.html#Syntax"
- REL="Help"
-><STRONG>Syntax:</STRONG></A> ISAPILogNotSupported on|off<BR>
-<A
- HREF="directive-dict.html#Default"
- REL="Help"
-><STRONG>Default:</STRONG></A> on<BR>
-<A
- HREF="directive-dict.html#Context"
- REL="Help"
-><STRONG>Context:</STRONG></A> server config<BR>
-<A
- HREF="directive-dict.html#Override"
- REL="Help"
-><STRONG>Override:</STRONG></A> None<BR>
-<A
- HREF="directive-dict.html#Status"
- REL="Help"
-><STRONG>Status:</STRONG></A> Base<BR>
-<A
- HREF="directive-dict.html#Module"
- REL="Help"
-><STRONG>Module:</STRONG></A> mod_isapi<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> Apache 1.3.13 and later, Win32 only<P>
-
- Logs all requests for unsupported features from ISAPI extentions
- in the server error log. While this should be turned off once
- all desired ISAPI modules are functioning, it defaults to on
- to help administrators track down problems.
- <P>
-<HR>
-
-<H2><A NAME="isapiappendlogtoerrors">ISAPIAppendLogToErrors directive</A></H2>
-<!--%plaintext <?INDEX {\tt ISAPIAppendLogToErrors} directive> -->
-<A
- HREF="directive-dict.html#Syntax"
- REL="Help"
-><STRONG>Syntax:</STRONG></A> ISAPIAppendLogToErrors on|off<BR>
-<A
- HREF="directive-dict.html#Default"
- REL="Help"
-><STRONG>Default:</STRONG></A> off<BR>
-<A
- HREF="directive-dict.html#Context"
- REL="Help"
-><STRONG>Context:</STRONG></A> server config<BR>
-<A
- HREF="directive-dict.html#Override"
- REL="Help"
-><STRONG>Override:</STRONG></A> None<BR>
-<A
- HREF="directive-dict.html#Status"
- REL="Help"
-><STRONG>Status:</STRONG></A> Base<BR>
-<A
- HREF="directive-dict.html#Module"
- REL="Help"
-><STRONG>Module:</STRONG></A> mod_isapi<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> Apache 1.3.13 and later, Win32 only<P>
-
- Record HSE_APPEND_LOG_PARAMETER requests from ISAPI extentions
- to the server error log.
- <P>
-<HR>
-
-<H2><A NAME="isapiappendlogtoquery">ISAPIAppendLogToQuery directive</A></H2>
-<!--%plaintext <?INDEX {\tt ISAPIAppendLogToQuery} directive> -->
-<A
- HREF="directive-dict.html#Syntax"
- REL="Help"
-><STRONG>Syntax:</STRONG></A> ISAPIAppendLogToQuery on|off<BR>
-<A
- HREF="directive-dict.html#Default"
- REL="Help"
-><STRONG>Default:</STRONG></A> off<BR>
-<A
- HREF="directive-dict.html#Context"
- REL="Help"
-><STRONG>Context:</STRONG></A> server config<BR>
-<A
- HREF="directive-dict.html#Override"
- REL="Help"
-><STRONG>Override:</STRONG></A> None<BR>
-<A
- HREF="directive-dict.html#Status"
- REL="Help"
-><STRONG>Status:</STRONG></A> Base<BR>
-<A
- HREF="directive-dict.html#Module"
- REL="Help"
-><STRONG>Module:</STRONG></A> mod_isapi<BR>
-<A
-HREF="module-dict.html#Compatibility"
-REL="Help"
-><STRONG>Compatibility:</STRONG></A> Apache 1.3.13 and later, Win32 only<P>
-
- Record HSE_APPEND_LOG_PARAMETER requests from ISAPI extentions
- to the query field (appended to the CustomLog %q component).
- <P>
-
-<!--#include virtual="footer.html" -->
-</BODY>
-</HTML>
+URI: mod_isapi.html.ko.euc-kr
+Content-Language: ko
+Content-type: text/html; charset=EUC-KR
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