http_core.c revision 01034377c5f9c37762abb03c94ab0847e9f870e9
3802a3d3d7af51ddff31943d5514382f01265770Lennart Poettering/* Copyright 1999-2005 The Apache Software Foundation or its licensors, as
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * Licensed under the Apache License, Version 2.0 (the "License");
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * you may not use this file except in compliance with the License.
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * You may obtain a copy of the License at
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * http://www.apache.org/licenses/LICENSE-2.0
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * Unless required by applicable law or agreed to in writing, software
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * distributed under the License is distributed on an "AS IS" BASIS,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * See the License for the specific language governing permissions and
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * limitations under the License.
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek#include "apr_thread_proc.h" /* for RLIMIT stuff */
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek#include "http_protocol.h" /* For index_of_response(). Grump. */
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek/* Handles for core filters */
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-SzmekAP_DECLARE_DATA ap_filter_rec_t *ap_http_input_filter_handle;
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-SzmekAP_DECLARE_DATA ap_filter_rec_t *ap_http_header_filter_handle;
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-SzmekAP_DECLARE_DATA ap_filter_rec_t *ap_chunk_filter_handle;
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-SzmekAP_DECLARE_DATA ap_filter_rec_t *ap_byterange_filter_handle;
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic const char *set_keep_alive_timeout(cmd_parms *cmd, void *dummy,
301af7e4853ad0281402f8d86f5a77c6cb7ce9f4Josh Triplett const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek cmd->server->keep_alive_timeout = apr_time_from_sec(atoi(arg));
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic const char *set_keep_alive(cmd_parms *cmd, void *dummy,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek /* We've changed it to On/Off, but used to use numbers
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek * so we accept anything but "Off" or "0" as "On"
301af7e4853ad0281402f8d86f5a77c6cb7ce9f4Josh Triplett if (!strcasecmp(arg, "off") || !strcmp(arg, "0")) {
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic const char *set_keep_alive_max(cmd_parms *cmd, void *dummy,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek cmd->server->keep_alive_max = atoi(arg);
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic const command_rec http_cmds[] = {
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek AP_INIT_TAKE1("KeepAliveTimeout", set_keep_alive_timeout, NULL, RSRC_CONF,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek "Keep-Alive timeout duration (sec)"),
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek AP_INIT_TAKE1("MaxKeepAliveRequests", set_keep_alive_max, NULL, RSRC_CONF,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek "Maximum number of Keep-Alive requests per connection, "
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek "or 0 for infinite"),
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek AP_INIT_TAKE1("KeepAlive", set_keep_alive, NULL, RSRC_CONF,
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek "Whether persistent connections should be On or Off"),
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic const char *http_scheme(const request_rec *r)
8c9571d0ae50656f730a5e37378d5c3dcf3b9789Lennart Poettering return "http";
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic apr_port_t http_port(const request_rec *r)
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic int ap_process_http_async_connection(conn_rec *c)
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek AP_DEBUG_ASSERT(cs->state == CONN_STATE_READ_REQUEST_LINE);
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek while (cs->state == CONN_STATE_READ_REQUEST_LINE) {
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek ap_update_child_status(c->sbh, SERVER_BUSY_READ, NULL);
0dc5d23c85db85f96b141d4d32deee8018e56a6aLennart Poettering /* process the request if it was read without error */
0dc5d23c85db85f96b141d4d32deee8018e56a6aLennart Poettering ap_update_child_status(c->sbh, SERVER_BUSY_WRITE, r);
0dc5d23c85db85f96b141d4d32deee8018e56a6aLennart Poettering if (c->keepalive != AP_CONN_KEEPALIVE || c->aborted
cbfaff65cb086e3eb3709cf86dcf63b46622389bKarel Zak cs->state = CONN_STATE_CHECK_REQUEST_LINE_READABLE;
5470c03b37d8421a903564c2c8028c8b8d67d403Lennart Poettering /* else we are pipelining. Stay in READ_REQUEST_LINE state
0dc5d23c85db85f96b141d4d32deee8018e56a6aLennart Poettering * and stay in the loop
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmek else { /* ap_read_request failed - client may have closed */
3cc765d2718ac9b4ff978044ceabf5ad59d73edfZbigniew Jędrzejewski-Szmekstatic int ap_process_http_connection(conn_rec *c)
request_rec *r;
if (ap_extended_status)
if (ap_graceful_stop_signalled())
if (!csd) {
return OK;
return OK;
int async_mpm = 0;