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- add markup
- fix contextlist of ISAPIReadAheadBuffer
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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97538 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
André Malo
2002-11-16 02:20:35 +00:00
parent e03f651ea1
commit 3f68414048
3 changed files with 191 additions and 195 deletions
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167
docs/manual/mod/mod_isapi.html.en
View File

@@ -49,13 +49,12 @@
<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>
restrictions as CGI scripts. That is, <code class="directive"><a href="../mod/core.html#options">Options</a></code> <code>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>
<code class="module"><a href="../mod/mod_isapi.html">mod_isapi</a></code>.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="notes" id="notes">Additional Notes</a></h2>
<p>Apache's ISAPI implementation conforms to all of the ISAPI
@@ -72,149 +71,148 @@
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.
requested, unless the <code class="directive"><a href="#isapicachefile">ISAPICacheFile</a></code> 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
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>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="journal" id="journal">Programmer's Journal</a></h2>
<p>If you are programming Apache 2.0 <code class="module"><a href="../mod/mod_isapi.html">mod_isapi</a></code>
modules, you must limit your calls to ServerSupportFunction to the
following directives:</p>
modules, you must limit your calls to <code>ServerSupportFunction</code>
to the following directives:</p>
<dl>
<dt>HSE_REQ_SEND_URL_REDIRECT_RESP</dt>
<dt><code>HSE_REQ_SEND_URL_REDIRECT_RESP</code></dt>
<dd>Redirect the user to another location.<br />
This must be a fully qualified URL (e.g.
http://server/location).</dd>
<dt>HSE_REQ_SEND_URL</dt>
This must be a fully qualified URL (<em>e.g.</em>
<code>http://server/location</code>).</dd>
<dt><code>HSE_REQ_SEND_URL</code></dt>
<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
This cannot be a fully qualified URL, you are not allowed to
pass the protocol or a server name (<em>e.g.</em> simply
<code>/location</code>).<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.</dd>
<dt>HSE_REQ_SEND_RESPONSE_HEADER</dt>
<div class="warning"><h3>Warning</h3>
<p>In their recent documentation, Microsoft appears to have
abandoned the distinction between the two
<code>HSE_REQ_SEND_URL</code> functions. Apache continues to treat
them as two distinct functions with different requirements
and behaviors.</p>
</div></dd>
<dt><code>HSE_REQ_SEND_RESPONSE_HEADER</code></dt>
<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.</dd>
<dt>HSE_REQ_DONE_WITH_SESSION</dt>
<dt><code>HSE_REQ_DONE_WITH_SESSION</code></dt>
<dd>Apache considers this a no-op, since the session will be
finished when the ISAPI returns from processing.</dd>
<dt>HSE_REQ_MAP_URL_TO_PATH</dt>
<dt><code>HSE_REQ_MAP_URL_TO_PATH</code></dt>
<dd>Apache will translate a virtual name to a physical
name.</dd>
<dt>HSE_APPEND_LOG_PARAMETER</dt>
<dt><code>HSE_APPEND_LOG_PARAMETER</code></dt>
<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>
<li>in the %q log component with the
ISAPIAppendLogToQuery On directive</li>
<li>in the error log with the ISAPIAppendLogToErrors On
<li>in the <code>\"%{isapi-parameter}n\"</code> component in a
<code class="directive"><a href="../mod/mod_log_config.html#customlog">CustomLog</a></code>
directive</li>
<li>in the <code>%q</code> log component with the
<code class="directive"><a href="#isapiappendlogtoquery">ISAPIAppendLogToQuery</a></code>
<code>On</code> directive</li>
<li>in the error log with the <code class="directive"><a href="#isapiappendlogtoerrors">ISAPIAppendLogToErrors</a></code> <code>On</code> directive</li>
</ul>
The first option, the %{isapi-parameter}n component, is
always available and prefered.
<p>The first option, the <code>%{isapi-parameter}n</code> component,
is always available and preferred.</p>
</dd>
<dt>HSE_REQ_IS_KEEP_CONN</dt>
<dt><code>HSE_REQ_IS_KEEP_CONN</code></dt>
<dd>Will return the negotiated Keep-Alive status.</dd>
<dt>HSE_REQ_SEND_RESPONSE_HEADER_EX</dt>
<dd>Will behave as documented, although the fKeepConn flag is
ignored.</dd>
<dt>HSE_REQ_IS_CONNECTED</dt>
<dt><code>HSE_REQ_SEND_RESPONSE_HEADER_EX</code></dt>
<dd>Will behave as documented, although the <code>fKeepConn</code>
flag is ignored.</dd>
<dt><code>HSE_REQ_IS_CONNECTED</code></dt>
<dd>Will report false if the request has been aborted.</dd>
</dl>
<p>Apache returns FALSE to any unsupported call to
ServerSupportFunction, and sets the GetLastError value to
ERROR_INVALID_PARAMETER.</p>
<p>Apache returns <code>FALSE</code> to any unsupported call to
<code>ServerSupportFunction</code>, and sets the
<code>GetLastError</code> value to
<code>ERROR_INVALID_PARAMETER</code>.</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
<p><code>ReadClient</code> retrieves the request body exceeding the
initial buffer (defined by <code class="directive"><a href="#isapireadaheadbuffer">ISAPIReadAheadBuffer</a></code>). Based on the
<code class="directive">ISAPIReadAheadBuffer</code> 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>
longer, the ISAPI extension must use <code>ReadClient</code> 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><code>WriteClient</code> is supported, but only with the
<code>HSE_IO_SYNC</code> flag or no option flag (value of
<code>0</code>). Any other <code>WriteClient</code> request
will be rejected with a return value of <code>FALSE</code>, and a
<code>GetLastError</code> value of
<code>ERROR_INVALID_PARAMETER</code>.</p>
<p>GetServerVariable is supported, although extended server
<p><code>GetServerVariable</code> 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>
<code>GetServerVariable</code>, as well as the <code>ALL_HTTP</code>
and <code>ALL_RAW</code> values.</p>
<p>Apache 2.0 <code class="module"><a href="../mod/mod_isapi.html">mod_isapi</a></code> 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>
as well as limited emulation of async I/O and the
<code>TransmitFile</code> semantics. Apache also supports preloading
ISAPI .dlls for performance, neither of which were not available under
Apache 1.3 <code>mod_isapi</code>.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPIAppendLogToErrors" id="ISAPIAppendLogToErrors">ISAPIAppendLogToErrors</a> <a name="isapiappendlogtoerrors" id="isapiappendlogtoerrors">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the error log</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td>Record HSE_APPEND_LOG_PARAMETER requests from
ISAPI extensions to the error log</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td><code>ISAPIAppendLogToErrors on|off</code></td></tr><tr><th><a href="directive-dict.html#Default">Default:
</a></th><td><code>ISAPIAppendLogToErrors off</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td>server config, virtual host, directory, .htaccess</td></tr><tr><th><a href="directive-dict.html#Override">Override:
</a></th><td>FileInfo</td></tr><tr><th><a href="directive-dict.html#Status">Status:
</a></th><td>Base</td></tr><tr><th><a href="directive-dict.html#Module">Module:
</a></th><td>mod_isapi</td></tr></table>
<p>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
<p>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from ISAPI
extensions to the server error log.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPIAppendLogToQuery" id="ISAPIAppendLogToQuery">ISAPIAppendLogToQuery</a> <a name="isapiappendlogtoquery" id="isapiappendlogtoquery">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the query field</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td>Record HSE_APPEND_LOG_PARAMETER requests from
ISAPI extensions to the query field</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td><code>ISAPIAppendLogToQuery on|off</code></td></tr><tr><th><a href="directive-dict.html#Default">Default:
</a></th><td><code>ISAPIAppendLogToQuery on</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td>server config, virtual host, directory, .htaccess</td></tr><tr><th><a href="directive-dict.html#Override">Override:
</a></th><td>FileInfo</td></tr><tr><th><a href="directive-dict.html#Status">Status:
</a></th><td>Base</td></tr><tr><th><a href="directive-dict.html#Module">Module:
</a></th><td>mod_isapi</td></tr></table>
<p>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the query field (appended to the CustomLog %q
<p>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from ISAPI
extensions to the query field (appended to the <code class="directive"><a href="../mod/mod_log_config.html#customlog">CustomLog</a></code> <code>%q</code>
component).</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPICacheFile" id="ISAPICacheFile">ISAPICacheFile</a> <a name="isapicachefile" id="isapicachefile">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>ISAPI .dll files to be loaded at startup</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td><code>ISAPICacheFile <em>file-path</em> [<em>file-path</em>] ...</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td><code>ISAPICacheFile <var>file-path</var> [<var>file-path</var>]
...</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td>server config, virtual host</td></tr><tr><th><a href="directive-dict.html#Status">Status:
</a></th><td>Base</td></tr><tr><th><a href="directive-dict.html#Module">Module:
</a></th><td>mod_isapi</td></tr></table>
@@ -222,16 +220,17 @@ extensions to the query field</td></tr><tr><th><a href="directive-dict.html#Synt
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>
be specified. If the path name is not absolute, it will be treated
relative to <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPIFakeAsync" id="ISAPIFakeAsync">ISAPIFakeAsync</a> <a name="isapifakeasync" id="isapifakeasync">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>Fake asynchronous support for isapi callbacks</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td>Fake asynchronous support for ISAPI callbacks</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td><code>ISAPIFakeAsync on|off</code></td></tr><tr><th><a href="directive-dict.html#Default">Default:
</a></th><td><code>ISAPIFakeAsync off</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td>server config, virtual host, directory, .htaccess</td></tr><tr><th><a href="directive-dict.html#Override">Override:
</a></th><td>FileInfo</td></tr><tr><th><a href="directive-dict.html#Status">Status:
</a></th><td>Base</td></tr><tr><th><a href="directive-dict.html#Module">Module:
</a></th><td>mod_isapi</td></tr></table>
<p>While set to on, asynchronous support for isapi callbacks is
<p>While set to on, asynchronous support for ISAPI callbacks is
simulated.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPILogNotSupported" id="ISAPILogNotSupported">ISAPILogNotSupported</a> <a name="isapilognotsupported" id="isapilognotsupported">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>Log unsupported feature requests from ISAPI
@@ -249,15 +248,15 @@ extensions</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="directive-section"><h2><a name="ISAPIReadAheadBuffer" id="ISAPIReadAheadBuffer">ISAPIReadAheadBuffer</a> <a name="isapireadaheadbuffer" id="isapireadaheadbuffer">Directive</a></h2><table class="directive"><tr><th><a href="directive-dict.html#Description">Description:
</a></th><td>Size of the Read Ahead Buffer sent to ISAPI
extensions</td></tr><tr><th><a href="directive-dict.html#Syntax">Syntax:
</a></th><td><code>ISAPIReadAheadBuffer <em>size</em></code></td></tr><tr><th><a href="directive-dict.html#Default">Default:
</a></th><td><code>ISAPIReadAheadBuffer <var>size</var></code></td></tr><tr><th><a href="directive-dict.html#Default">Default:
</a></th><td><code>ISAPIReadAheadBuffer 49152</code></td></tr><tr><th><a href="directive-dict.html#Context">Context:
</a></th><td>server config, directory, .htaccess</td></tr><tr><th><a href="directive-dict.html#Override">Override:
</a></th><td>server config, virtual host, directory, .htaccess</td></tr><tr><th><a href="directive-dict.html#Override">Override:
</a></th><td>FileInfo</td></tr><tr><th><a href="directive-dict.html#Status">Status:
</a></th><td>Base</td></tr><tr><th><a href="directive-dict.html#Module">Module:
</a></th><td>mod_isapi</td></tr></table>
<p>Defines the maximum size of the Read Ahead Buffer sent to
ISAPI extensions when they are initially 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 extension's author.</p>
data must be retrieved using the <code>ReadClient</code> callback; some
ISAPI extensions may not support the <code>ReadClient</code> function.
Refer questions to the ISAPI extension's author.</p>
</div></div><div id="footer"><p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p><p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div></body></html>

204
docs/manual/mod/mod_isapi.xml
View File

@@ -46,14 +46,14 @@
<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>
restrictions as CGI scripts. That is, <directive module="core"
>Options</directive> <code>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>
<module>mod_isapi</module>.</p>
</section>
<section id="notes"><title>Additional Notes</title>
@@ -72,14 +72,15 @@
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.
requested, unless the <directive module="mod_isapi"
>ISAPICacheFile</directive> 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
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>
</section>
@@ -87,125 +88,127 @@
<section id="journal"><title>Programmer's Journal</title>
<p>If you are programming Apache 2.0 <module>mod_isapi</module>
modules, you must limit your calls to ServerSupportFunction to the
following directives:</p>
modules, you must limit your calls to <code>ServerSupportFunction</code>
to the following directives:</p>
<dl>
<dt>HSE_REQ_SEND_URL_REDIRECT_RESP</dt>
<dt><code>HSE_REQ_SEND_URL_REDIRECT_RESP</code></dt>
<dd>Redirect the user to another location.<br />
This must be a fully qualified URL (e.g.
http://server/location).</dd>
<dt>HSE_REQ_SEND_URL</dt>
This must be a fully qualified URL (<em>e.g.</em>
<code>http://server/location</code>).</dd>
<dt><code>HSE_REQ_SEND_URL</code></dt>
<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
This cannot be a fully qualified URL, you are not allowed to
pass the protocol or a server name (<em>e.g.</em> simply
<code>/location</code>).<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.</dd>
<dt>HSE_REQ_SEND_RESPONSE_HEADER</dt>
<note type="warning"><title>Warning</title>
<p>In their recent documentation, Microsoft appears to have
abandoned the distinction between the two
<code>HSE_REQ_SEND_URL</code> functions. Apache continues to treat
them as two distinct functions with different requirements
and behaviors.</p>
</note></dd>
<dt><code>HSE_REQ_SEND_RESPONSE_HEADER</code></dt>
<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.</dd>
<dt>HSE_REQ_DONE_WITH_SESSION</dt>
<dt><code>HSE_REQ_DONE_WITH_SESSION</code></dt>
<dd>Apache considers this a no-op, since the session will be
finished when the ISAPI returns from processing.</dd>
<dt>HSE_REQ_MAP_URL_TO_PATH</dt>
<dt><code>HSE_REQ_MAP_URL_TO_PATH</code></dt>
<dd>Apache will translate a virtual name to a physical
name.</dd>
<dt>HSE_APPEND_LOG_PARAMETER</dt>
<dt><code>HSE_APPEND_LOG_PARAMETER</code></dt>
<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>
<li>in the %q log component with the
ISAPIAppendLogToQuery On directive</li>
<li>in the error log with the ISAPIAppendLogToErrors On
<li>in the <code>\"%{isapi-parameter}n\"</code> component in a
<directive module="mod_log_config">CustomLog</directive>
directive</li>
<li>in the <code>%q</code> log component with the
<directive module="mod_isapi">ISAPIAppendLogToQuery</directive>
<code>On</code> directive</li>
<li>in the error log with the <directive module="mod_isapi"
>ISAPIAppendLogToErrors</directive> <code>On</code> directive</li>
</ul>
The first option, the %{isapi-parameter}n component, is
always available and prefered.
<p>The first option, the <code>%{isapi-parameter}n</code> component,
is always available and preferred.</p>
</dd>
<dt>HSE_REQ_IS_KEEP_CONN</dt>
<dt><code>HSE_REQ_IS_KEEP_CONN</code></dt>
<dd>Will return the negotiated Keep-Alive status.</dd>
<dt>HSE_REQ_SEND_RESPONSE_HEADER_EX</dt>
<dd>Will behave as documented, although the fKeepConn flag is
ignored.</dd>
<dt>HSE_REQ_IS_CONNECTED</dt>
<dt><code>HSE_REQ_SEND_RESPONSE_HEADER_EX</code></dt>
<dd>Will behave as documented, although the <code>fKeepConn</code>
flag is ignored.</dd>
<dt><code>HSE_REQ_IS_CONNECTED</code></dt>
<dd>Will report false if the request has been aborted.</dd>
</dl>
<p>Apache returns FALSE to any unsupported call to
ServerSupportFunction, and sets the GetLastError value to
ERROR_INVALID_PARAMETER.</p>
<p>Apache returns <code>FALSE</code> to any unsupported call to
<code>ServerSupportFunction</code>, and sets the
<code>GetLastError</code> value to
<code>ERROR_INVALID_PARAMETER</code>.</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
<p><code>ReadClient</code> retrieves the request body exceeding the
initial buffer (defined by <directive module="mod_isapi"
>ISAPIReadAheadBuffer</directive>). Based on the
<directive>ISAPIReadAheadBuffer</directive> 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>
longer, the ISAPI extension must use <code>ReadClient</code> 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><code>WriteClient</code> is supported, but only with the
<code>HSE_IO_SYNC</code> flag or no option flag (value of
<code>0</code>). Any other <code>WriteClient</code> request
will be rejected with a return value of <code>FALSE</code>, and a
<code>GetLastError</code> value of
<code>ERROR_INVALID_PARAMETER</code>.</p>
<p>GetServerVariable is supported, although extended server
<p><code>GetServerVariable</code> 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>
<code>GetServerVariable</code>, as well as the <code>ALL_HTTP</code>
and <code>ALL_RAW</code> values.</p>
<p>Apache 2.0 <module>mod_isapi</module> 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>
as well as limited emulation of async I/O and the
<code>TransmitFile</code> semantics. Apache also supports preloading
ISAPI .dlls for performance, neither of which were not available under
Apache 1.3 <code>mod_isapi</code>.</p>
</section>
<directivesynopsis>
<name>ISAPICacheFile</name>
<description>ISAPI .dll files to be loaded at startup</description>
<syntax>ISAPICacheFile <em>file-path</em> [<em>file-path</em>] ...</syntax>
<contextlist><context>server config</context>
<context>virtual host</context></contextlist>
<syntax>ISAPICacheFile <var>file-path</var> [<var>file-path</var>]
...</syntax>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>
<usage>
<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>
be specified. If the path name is not absolute, it will be treated
relative to <directive module="core">ServerRoot</directive>.</p>
</usage>
</directivesynopsis>
@@ -213,19 +216,18 @@
<name>ISAPIReadAheadBuffer</name>
<description>Size of the Read Ahead Buffer sent to ISAPI
extensions</description>
<syntax>ISAPIReadAheadBuffer <em>size</em></syntax>
<syntax>ISAPIReadAheadBuffer <var>size</var></syntax>
<default>ISAPIReadAheadBuffer 49152</default>
<contextlist><context>server config</context>
<context>directory</context>
<context>.htaccess</context></contextlist>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>FileInfo</override>
<usage>
<p>Defines the maximum size of the Read Ahead Buffer sent to
ISAPI extensions when they are initially 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 extension's author.</p>
data must be retrieved using the <code>ReadClient</code> callback; some
ISAPI extensions may not support the <code>ReadClient</code> function.
Refer questions to the ISAPI extension's author.</p>
</usage>
</directivesynopsis>
@@ -235,10 +237,8 @@ extensions</description>
extensions</description>
<syntax>ISAPILogNotSupported on|off</syntax>
<default>ISAPILogNotSupported off</default>
<contextlist><context>server config</context>
<context>virtual host</context>
<context>directory</context>
<context>.htaccess</context></contextlist>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>FileInfo</override>
<usage>
@@ -251,56 +251,52 @@ extensions</description>
<directivesynopsis>
<name>ISAPIAppendLogToErrors</name>
<description>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the error log</description>
<description>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from
ISAPI extensions to the error log</description>
<syntax>ISAPIAppendLogToErrors on|off</syntax>
<default>ISAPIAppendLogToErrors off</default>
<contextlist><context>server config</context>
<context>virtual host</context>
<context>directory</context>
<context>.htaccess</context></contextlist>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>FileInfo</override>
<usage>
<p>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
<p>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from ISAPI
extensions to the server error log.</p>
</usage>
</directivesynopsis>
<directivesynopsis>
<name>ISAPIAppendLogToQuery</name>
<description>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the query field</description>
<description>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from
ISAPI extensions to the query field</description>
<syntax>ISAPIAppendLogToQuery on|off</syntax>
<default>ISAPIAppendLogToQuery on</default>
<contextlist><context>server config</context>
<context>virtual host</context>
<context>directory</context>
<context>.htaccess</context></contextlist>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>FileInfo</override>
<usage>
<p>Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the query field (appended to the CustomLog %q
<p>Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from ISAPI
extensions to the query field (appended to the <directive
module="mod_log_config">CustomLog</directive> <code>%q</code>
component).</p>
</usage>
</directivesynopsis>
<directivesynopsis>
<name>ISAPIFakeAsync</name>
<description>Fake asynchronous support for isapi callbacks</description>
<description>Fake asynchronous support for ISAPI callbacks</description>
<syntax>ISAPIFakeAsync on|off</syntax>
<default>ISAPIFakeAsync off</default>
<contextlist><context>server config</context>
<context>virtual host</context>
<context>directory</context>
<context>.htaccess</context></contextlist>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>FileInfo</override>
<usage>
<p>While set to on, asynchronous support for isapi callbacks is
<p>While set to on, asynchronous support for ISAPI callbacks is
simulated.</p>
</usage>
</directivesynopsis>
</modulesynopsis>

15
docs/manual/mod/quickreference.html.en
View File

@@ -317,15 +317,16 @@ a directory</td></tr>
indexing</td></tr>
<tr class="odd"><td><a href="mod_autoindex.html#indexorderdefault">IndexOrderDefault Ascending|Descending
Name|Date|Size|Description</a></td><td> Ascending Name </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Sets the default ordering of the directory index</td></tr>
<tr><td><a href="mod_isapi.html#isapiappendlogtoerrors">ISAPIAppendLogToErrors on|off</a></td><td> off </td><td>svdh</td><td>B</td></tr><tr><td class="descr" colspan="4">Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the error log</td></tr>
<tr class="odd"><td><a href="mod_isapi.html#isapiappendlogtoquery">ISAPIAppendLogToQuery on|off</a></td><td> on </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Record HSE_APPEND_LOG_PARAMETER requests from ISAPI
extensions to the query field</td></tr>
<tr><td><a href="mod_isapi.html#isapicachefile">ISAPICacheFile <em>file-path</em> [<em>file-path</em>] ...</a></td><td /><td>sv</td><td>B</td></tr><tr><td class="descr" colspan="4">ISAPI .dll files to be loaded at startup</td></tr>
<tr class="odd"><td><a href="mod_isapi.html#isapifakeasync">ISAPIFakeAsync on|off</a></td><td> off </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Fake asynchronous support for isapi callbacks</td></tr>
<tr><td><a href="mod_isapi.html#isapiappendlogtoerrors">ISAPIAppendLogToErrors on|off</a></td><td> off </td><td>svdh</td><td>B</td></tr><tr><td class="descr" colspan="4">Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from
ISAPI extensions to the error log</td></tr>
<tr class="odd"><td><a href="mod_isapi.html#isapiappendlogtoquery">ISAPIAppendLogToQuery on|off</a></td><td> on </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Record <code>HSE_APPEND_LOG_PARAMETER</code> requests from
ISAPI extensions to the query field</td></tr>
<tr><td><a href="mod_isapi.html#isapicachefile">ISAPICacheFile <var>file-path</var> [<var>file-path</var>]
...</a></td><td /><td>sv</td><td>B</td></tr><tr><td class="descr" colspan="4">ISAPI .dll files to be loaded at startup</td></tr>
<tr class="odd"><td><a href="mod_isapi.html#isapifakeasync">ISAPIFakeAsync on|off</a></td><td> off </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Fake asynchronous support for ISAPI callbacks</td></tr>
<tr><td><a href="mod_isapi.html#isapilognotsupported">ISAPILogNotSupported on|off</a></td><td> off </td><td>svdh</td><td>B</td></tr><tr><td class="descr" colspan="4">Log unsupported feature requests from ISAPI
extensions</td></tr>
<tr class="odd"><td><a href="mod_isapi.html#isapireadaheadbuffer">ISAPIReadAheadBuffer <em>size</em></a></td><td> 49152 </td><td>sdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Size of the Read Ahead Buffer sent to ISAPI
<tr class="odd"><td><a href="mod_isapi.html#isapireadaheadbuffer">ISAPIReadAheadBuffer <var>size</var></a></td><td> 49152 </td><td>svdh</td><td>B</td></tr><tr class="odd"><td class="descr" colspan="4">Size of the Read Ahead Buffer sent to ISAPI
extensions</td></tr>
<tr><td><a href="core.html#keepalive" id="K" name="K">KeepAlive on|off</a></td><td> On </td><td>sv</td><td>C</td></tr><tr><td class="descr" colspan="4">Enables HTTP persistent connections</td></tr>
<tr class="odd"><td><a href="core.html#keepalivetimeout">KeepAliveTimeout <var>seconds</var></a></td><td> 15 </td><td>sv</td><td>C</td></tr><tr class="odd"><td class="descr" colspan="4">Amount of time the server will wait for subsequent