{ Copyright 1999-2005 The Apache Software Foundation or its licensors, as * applicable. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. } {#include "apr_hooks.h" #include "apr_network_io.h" #include "apr_buckets.h"} { * @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) } procedure ap_process_connection(c: Pconn_rec; csd: Pointer); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_process_connection' + LibSuff8; procedure ap_flush_conn(c: Pconn_rec); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_flush_conn' + LibSuff4; { * This function is responsible for the following cases: *
 * 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.
 * 
* @param c The connection we are closing } procedure ap_lingering_close(c: Pconn_rec); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_lingering_close' + LibSuff4; //#endif COREPRIVATE { Hooks } { * create_connection is a RUN_FIRST hook which allows modules to create * connections. In general, you should not install filters with the * create_connection hook. If you require vhost configuration information * to make filter installation decisions, you must use the pre_connection * or install_network_transport hook. This hook should close the connection * if it encounters a fatal error condition. * * @param p The pool from which to allocate the connection record * @param csd The socket that has been accepted * @param conn_id A unique identifier for this connection. The ID only * needs to be unique at that time, not forever. * @param sbh A handle to scoreboard information for this connection. * @return An allocated connection record or NULL. } type ap_HOOK_create_connection_t = function (p: Papr_pool_t; server: Pserver_rec; csd: Papr_socket_t; conn_id: cLong; sbh: Pointer; alloc: Papr_bucket_alloc_t): Pconn_rec; cdecl; procedure ap_hook_create_connection(pf: ap_HOOK_create_connection_t; const aszPre: PPChar; const aszSucc: PPChar; nOrder: Integer); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_hook_create_connection' + LibSuff16; { * 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) } type ap_HOOK_pre_connection_t = function (c: Pconn_rec; csd: Pointer): Integer; cdecl; procedure ap_hook_pre_connection(pf: ap_HOOK_pre_connection_t; const aszPre: PPChar; const aszSucc: PPChar; nOrder: Integer); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_hook_pre_connection' + LibSuff16; { * This hook implements different protocols. After a connection has been * established, the protocol module must read and serve the request. This * function does that for each protocol module. The first protocol module * to handle the request is the last module run. * @param c The connection on which the request has been received. * @return OK or DECLINED * @deffunc int ap_run_process_connection(conn_rec *c) } type ap_HOOK_process_connection_t = function (c: Pconn_rec): Integer; cdecl; procedure ap_hook_process_connection(pf: ap_HOOK_process_connection_t; const aszPre: PPChar; const aszSucc: PPChar; nOrder: Integer); {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_hook_process_connection' + LibSuff16; { End Of Connection (EOC) bucket } //AP_DECLARE_DATA extern const apr_bucket_type_t ap_bucket_type_eoc; { * Determine if a bucket is an End Of Connection (EOC) bucket * @param e The bucket to inspect * @return true or false } //#define AP_BUCKET_IS_EOC(e) (e->type == &ap_bucket_type_eoc) { * Make the bucket passed in an End Of Connection (EOC) bucket * @param b The bucket to make into an EOC bucket * @return The new bucket, or NULL if allocation failed * @deffunc apr_bucket *ap_bucket_eoc_make(apr_bucket *b) } function ap_bucket_eoc_make(b: Papr_bucket): Papr_bucket; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_bucket_eoc_make' + LibSuff4; { * Create a bucket referring to an End Of Connection (EOC). This indicates * that the connection will be closed. * @param list The freelist from which this bucket should be allocated * @return The new bucket, or NULL if allocation failed * @deffunc apr_bucket *ap_bucket_eoc_create(apr_bucket_alloc_t *list) } function ap_bucket_eoc_create(list: Papr_bucket_alloc_t): Papr_bucket; {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD name LibNamePrefix + 'ap_bucket_eoc_create' + LibSuff4;