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 *
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 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
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 */

#ifndef APACHE_HTTP_CONNECTION_H
#define APACHE_HTTP_CONNECTION_H

#include "apr_hooks.h"
#include "apr_network_io.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
 * @deffunc void ap_process_connection(conn_rec *)
 */
AP_CORE_DECLARE(void) ap_process_connection(conn_rec *);

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
 */
apr_status_t ap_lingering_close(void *dummy);
#endif

  /* Hooks */
/**
 * 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.
 * @return OK or DECLINED
 * @deffunc int ap_run_pre_connection(conn_rec *c)
 */
AP_DECLARE_HOOK(int,pre_connection,(conn_rec *c))

/**
 * 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))

/**
 * This hook allows modules to create connections. After the connection
 * has been accepted, the socket is passed to this function to actually
 * insert all filters that operate on the network, and create the connection
 * record. The first module to create a connection is the last module
 * run
 * @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.
 * @return An allocated connection record or NULL.
 */
AP_DECLARE_HOOK(conn_rec *, create_connection,
                (apr_pool_t *p, apr_socket_t *csd, int conn_id))

#ifdef __cplusplus
}
#endif

#endif	/* !APACHE_HTTP_REQUEST_H */