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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APACHE_HTTP_CONNECTION_H
#define APACHE_HTTP_CONNECTION_H
#include "apr_hooks.h"
#include "apr_network_io.h"
#include "apr_buckets.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @package Apache connection library
*/
#ifdef CORE_PRIVATE
/**
* This is the protocol module driver. This calls all of the
* pre-connection and connection hooks for all protocol modules.
* @param c The connection on which the request is read
* @param csd The mechanism on which this connection is to be read.
* Most times this will be a socket, but it is up to the module
* that accepts the request to determine the exact type.
* @deffunc void ap_process_connection(conn_rec *c, void *csd)
*/
AP_CORE_DECLARE(void) ap_process_connection(conn_rec *c, void *csd);
AP_CORE_DECLARE(void) ap_flush_conn(conn_rec *c);
/**
* This function is responsible for the following cases:
* <pre>
* we now proceed to read from the client until we get EOF, or until
* MAX_SECS_TO_LINGER has passed. the reasons for doing this are
* documented in a draft:
*
* http://www.ics.uci.edu/pub/ietf/http/draft-ietf-http-connection-00.txt
*
* in a nutshell -- if we don't make this effort we risk causing
* TCP RST packets to be sent which can tear down a connection before
* all the response data has been sent to the client.
* </pre>
* @param c The connection we are closing
*/
AP_DECLARE(void) ap_lingering_close(conn_rec *c);
#endif
/* Hooks */
/**
* create_connection is a RUN_FIRST hook which allows modules to create
* connections. In general, you should not install filters with the
* create_connection hook. If you require vhost configuration information
* to make filter installation decisions, you must use the pre_connection
* or install_network_transport hook. This hook should close the connection
* if it encounters a fatal error condition.
*
* @param p The pool from which to allocate the connection record
* @param csd The socket that has been accepted
* @param conn_id A unique identifier for this connection. The ID only
* needs to be unique at that time, not forever.
* @param sbh A handle to scoreboard information for this connection.
* @return An allocated connection record or NULL.
*/
AP_DECLARE_HOOK(conn_rec *, create_connection,
(apr_pool_t *p, server_rec *server, apr_socket_t *csd,
long conn_id, void *sbh, apr_bucket_alloc_t *alloc))
/**
* This hook gives protocol modules an opportunity to set everything up
* before calling the protocol handler. All pre-connection hooks are
* run until one returns something other than ok or decline
* @param c The connection on which the request has been received.
* @param csd The mechanism on which this connection is to be read.
* Most times this will be a socket, but it is up to the module
* that accepts the request to determine the exact type.
* @return OK or DECLINED
* @deffunc int ap_run_pre_connection(conn_rec *c, void *csd)
*/
AP_DECLARE_HOOK(int,pre_connection,(conn_rec *c, void *csd))
/**
* This hook implements different protocols. After a connection has been
* established, the protocol module must read and serve the request. This
* function does that for each protocol module. The first protocol module
* to handle the request is the last module run.
* @param c The connection on which the request has been received.
* @return OK or DECLINED
* @deffunc int ap_run_process_connection(conn_rec *c)
*/
AP_DECLARE_HOOK(int,process_connection,(conn_rec *c))
#ifdef __cplusplus
}
#endif
#endif /* !APACHE_HTTP_REQUEST_H */
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