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Name	Size	Permission	Date
ap_compat.h	1.08 KB	-rw-rw-rw-	2006-07-12 00:33
ap_config.h	6.65 KB	-rw-rw-rw-	2012-08-15 03:59
ap_config_layout.h	1.21 KB	-rw-rw-rw-	2022-01-02 15:34
ap_expr.h	14.09 KB	-rw-rw-rw-	2020-02-21 02:33
ap_hooks.h	6.01 KB	-rw-rw-rw-	2011-09-23 22:08
ap_listen.h	5.85 KB	-rw-rw-rw-	2016-05-30 23:26
ap_mmn.h	39.26 KB	-rw-rw-rw-	2023-08-29 11:23
ap_mpm.h	10.68 KB	-rw-rw-rw-	2020-04-23 16:32
ap_provider.h	3.55 KB	-rw-rw-rw-	2012-07-03 23:29
ap_regex.h	11.43 KB	-rw-rw-rw-	2022-02-28 13:56
ap_regkey.h	9.18 KB	-rw-rw-rw-	2011-09-23 17:38
ap_release.h	3.15 KB	-rw-rw-rw-	2023-10-16 17:28
ap_slotmem.h	7.26 KB	-rw-rw-rw-	2013-11-17 22:10
ap_socache.h	9.39 KB	-rw-rw-rw-	2012-02-11 00:47
apache_noprobes.h	15.93 KB	-rw-rw-rw-	2012-04-05 00:11
apr.h	18.28 KB	-rw-rw-rw-	2023-03-27 15:53
apr_allocator.h	6.25 KB	-rw-rw-rw-	2018-08-25 17:48
apr_anylock.h	5.06 KB	-rw-rw-rw-	2007-01-15 21:00
apr_atomic.h	6.25 KB	-rw-rw-rw-	2018-09-17 22:20
apr_base64.h	3.86 KB	-rw-rw-rw-	2012-12-23 00:24
apr_buckets.h	64.71 KB	-rw-rw-rw-	2021-09-18 17:25
apr_crypto.h	20.18 KB	-rw-rw-rw-	2017-06-14 00:28
apr_cstr.h	11.42 KB	-rw-rw-rw-	2016-12-03 22:49
apr_date.h	3.57 KB	-rw-rw-rw-	2007-01-15 21:00
apr_dbd.h	23.88 KB	-rw-rw-rw-	2017-04-02 21:57
apr_dbm.h	8.62 KB	-rw-rw-rw-	2008-11-21 08:20
apr_dso.h	2.73 KB	-rw-rw-rw-	2006-08-03 14:55
apr_encode.h	30.98 KB	-rw-rw-rw-	2022-10-18 11:38
apr_env.h	2.12 KB	-rw-rw-rw-	2009-09-26 00:07
apr_errno.h	55.08 KB	-rw-rw-rw-	2016-03-03 18:11
apr_escape.h	17.65 KB	-rw-rw-rw-	2018-08-26 14:24
apr_escape_test_char.h	1.4 KB	-rw-rw-rw-	2023-03-27 15:53
apr_file_info.h	17.59 KB	-rw-rw-rw-	2018-08-26 14:01
apr_file_io.h	43.11 KB	-rw-rw-rw-	2017-03-30 23:53
apr_fnmatch.h	6.23 KB	-rw-rw-rw-	2014-04-15 17:55
apr_general.h	7.36 KB	-rw-rw-rw-	2018-08-26 14:01
apr_getopt.h	6 KB	-rw-rw-rw-	2006-08-03 14:55
apr_global_mutex.h	7.38 KB	-rw-rw-rw-	2017-04-08 01:20
apr_hash.h	10.36 KB	-rw-rw-rw-	2020-11-08 10:13
apr_hooks.h	12.71 KB	-rw-rw-rw-	2013-10-03 17:32
apr_inherit.h	2.14 KB	-rw-rw-rw-	2013-10-03 17:29
apr_ldap.h	5.76 KB	-rw-rw-rw-	2023-01-24 11:36
apr_ldap_init.h	5.81 KB	-rw-rw-rw-	2009-02-19 10:04
apr_ldap_option.h	8.65 KB	-rw-rw-rw-	2009-02-19 10:04
apr_ldap_rebind.h	3.19 KB	-rw-rw-rw-	2009-02-19 10:04
apr_ldap_url.h	3.83 KB	-rw-rw-rw-	2009-02-19 10:04
apr_lib.h	8.47 KB	-rw-rw-rw-	2014-01-16 22:26
apr_md4.h	4.55 KB	-rw-rw-rw-	2007-01-15 21:00
apr_md5.h	6.37 KB	-rw-rw-rw-	2012-07-06 15:41
apr_memcache.h	17.25 KB	-rw-rw-rw-	2010-11-26 16:39
apr_mmap.h	5.18 KB	-rw-rw-rw-	2013-10-03 17:29
apr_network_io.h	36.95 KB	-rw-rw-rw-	2019-05-04 18:44
apr_optional.h	2.8 KB	-rw-rw-rw-	2007-01-15 21:00
apr_optional_hooks.h	3.9 KB	-rw-rw-rw-	2013-10-03 17:32
apr_perms_set.h	1.93 KB	-rw-rw-rw-	2014-04-28 16:08
apr_poll.h	21.04 KB	-rw-rw-rw-	2016-03-25 03:19
apr_pools.h	31.73 KB	-rw-rw-rw-	2022-06-18 00:09
apr_portable.h	20.56 KB	-rw-rw-rw-	2018-08-26 14:01
apr_proc_mutex.h	7.04 KB	-rw-rw-rw-	2017-04-08 01:20
apr_queue.h	4.12 KB	-rw-rw-rw-	2013-10-03 17:32
apr_random.h	5.07 KB	-rw-rw-rw-	2007-07-21 06:16
apr_redis.h	16.07 KB	-rw-rw-rw-	2017-09-27 20:02
apr_reslist.h	7.19 KB	-rw-rw-rw-	2013-10-03 17:32
apr_ring.h	19.28 KB	-rw-rw-rw-	2022-01-06 14:11
apr_rmm.h	4.8 KB	-rw-rw-rw-	2007-01-15 21:00
apr_sdbm.h	6.14 KB	-rw-rw-rw-	2007-10-23 13:59
apr_sha1.h	3.91 KB	-rw-rw-rw-	2007-01-15 21:00
apr_shm.h	9.48 KB	-rw-rw-rw-	2014-04-28 17:15
apr_signal.h	2.8 KB	-rw-rw-rw-	2007-08-05 19:48
apr_siphash.h	6.16 KB	-rw-rw-rw-	2017-06-15 00:00
apr_skiplist.h	14.56 KB	-rw-rw-rw-	2018-08-25 17:48
apr_strings.h	14.92 KB	-rw-rw-rw-	2018-08-26 14:01
apr_strmatch.h	2.69 KB	-rw-rw-rw-	2007-01-15 21:00
apr_support.h	1.65 KB	-rw-rw-rw-	2006-08-03 14:55
apr_tables.h	19.4 KB	-rw-rw-rw-	2020-11-08 09:24
apr_thread_cond.h	5.53 KB	-rw-rw-rw-	2007-06-29 21:20
apr_thread_mutex.h	4.51 KB	-rw-rw-rw-	2017-04-08 01:20
apr_thread_pool.h	11.14 KB	-rw-rw-rw-	2008-05-07 23:45
apr_thread_proc.h	36.11 KB	-rw-rw-rw-	2019-03-08 16:52
apr_thread_rwlock.h	4.78 KB	-rw-rw-rw-	2006-08-03 14:55
apr_time.h	7.62 KB	-rw-rw-rw-	2016-03-05 03:40
apr_uri.h	6.61 KB	-rw-rw-rw-	2009-01-07 22:39
apr_user.h	5.34 KB	-rw-rw-rw-	2013-10-03 17:29
apr_uuid.h	2.13 KB	-rw-rw-rw-	2007-01-15 21:00
apr_version.h	5.44 KB	-rw-rw-rw-	2023-04-13 11:38
apr_want.h	3.01 KB	-rw-rw-rw-	2012-08-15 00:48
apr_xlate.h	6.42 KB	-rw-rw-rw-	2007-01-15 21:00
apr_xml.h	12.54 KB	-rw-rw-rw-	2016-06-14 01:57
apu.h	4.76 KB	-rw-rw-rw-	2023-01-24 11:36
apu_errno.h	5.49 KB	-rw-rw-rw-	2009-01-07 22:35
apu_version.h	4.33 KB	-rw-rw-rw-	2023-02-01 09:56
apu_want.h	1.55 KB	-rw-rw-rw-	2023-01-24 11:36
cache_common.h	2.02 KB	-rw-rw-rw-	2013-05-29 00:30
expat.h	43.55 KB	-rw-rw-rw-	2022-10-25 19:09
heartbeat.h	1.62 KB	-rw-rw-rw-	2014-06-17 16:06
http_config.h	57.78 KB	-rw-rw-rw-	2022-02-23 16:39
http_connection.h	7.15 KB	-rw-rw-rw-	2021-09-26 18:11
http_core.h	37.25 KB	-rw-rw-rw-	2023-08-29 11:23
http_log.h	36.82 KB	-rw-rw-rw-	2016-08-25 16:48
http_main.h	3.25 KB	-rw-rw-rw-	2012-03-26 02:24
http_protocol.h	42.06 KB	-rw-rw-rw-	2022-06-01 16:34
http_request.h	26.34 KB	-rw-rw-rw-	2021-08-10 12:27
http_ssl.h	14.93 KB	-rw-rw-rw-	2022-08-22 00:26
http_vhost.h	4.61 KB	-rw-rw-rw-	2021-05-27 17:08
httpd.h	94.69 KB	-rw-rw-rw-	2022-03-09 16:04
mod_auth.h	4.55 KB	-rw-rw-rw-	2020-02-21 02:33
mod_cache.h	7.27 KB	-rw-rw-rw-	2011-12-03 20:02
mod_cgi.h	2.5 KB	-rw-rw-rw-	2011-09-23 17:38
mod_core.h	3.43 KB	-rw-rw-rw-	2012-09-24 13:49
mod_dav.h	100.22 KB	-rw-rw-rw-	2023-01-09 16:52
mod_dbd.h	4.18 KB	-rw-rw-rw-	2011-09-23 17:38
mod_http2.h	4.69 KB	-rw-rw-rw-	2023-08-29 11:23
mod_include.h	4.01 KB	-rw-rw-rw-	2011-09-23 17:38
mod_log_config.h	2.5 KB	-rw-rw-rw-	2011-09-23 17:38
mod_proxy.h	64.99 KB	-rw-rw-rw-	2023-03-31 18:33
mod_request.h	1.65 KB	-rw-rw-rw-	2011-02-18 20:40
mod_rewrite.h	1.41 KB	-rw-rw-rw-	2014-01-23 16:33
mod_so.h	1.23 KB	-rw-rw-rw-	2011-11-30 12:21
mod_ssl.h	4.99 KB	-rw-rw-rw-	2019-07-30 15:23
mod_ssl_openssl.h	4.79 KB	-rw-rw-rw-	2019-07-30 15:23
mod_status.h	2.45 KB	-rw-rw-rw-	2006-07-12 00:33
mod_watchdog.h	7.55 KB	-rw-rw-rw-	2014-09-05 18:19
mpm_common.h	17.39 KB	-rw-rw-rw-	2021-08-10 12:43
os.h	4.5 KB	-rw-rw-rw-	2021-04-21 05:10
scoreboard.h	9.98 KB	-rw-rw-rw-	2020-02-21 02:33
util_cfgtree.h	3.17 KB	-rw-rw-rw-	2011-09-23 17:38
util_charset.h	2.28 KB	-rw-rw-rw-	2014-11-01 11:19
util_cookies.h	4.99 KB	-rw-rw-rw-	2012-01-09 15:18
util_ebcdic.h	2.78 KB	-rw-rw-rw-	2014-11-01 11:19
util_fcgi.h	10.02 KB	-rw-rw-rw-	2020-02-21 02:33
util_filter.h	26.46 KB	-rw-rw-rw-	2013-04-15 16:37
util_ldap.h	18.33 KB	-rw-rw-rw-	2023-07-07 16:03
util_md5.h	2.19 KB	-rw-rw-rw-	2014-07-17 02:11
util_mutex.h	9.29 KB	-rw-rw-rw-	2011-10-09 22:35
util_script.h	9.8 KB	-rw-rw-rw-	2012-01-09 15:18
util_time.h	4.22 KB	-rw-rw-rw-	2023-07-18 01:16
util_varbuf.h	8.28 KB	-rw-rw-rw-	2014-07-19 21:22
util_xml.h	1.36 KB	-rw-rw-rw-	2014-07-19 21:22
zconf.h	16.83 KB	-rw-rw-rw-	2023-04-18 01:35
zlib.h	96.4 KB	-rw-rw-rw-	2023-08-18 12:45

Rename

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

/**
 * @file  ap_listen.h
 * @brief Apache Listeners Library
 *
 * @defgroup APACHE_CORE_LISTEN Apache Listeners Library
 * @ingroup  APACHE_CORE
 * @{
 */

#ifndef AP_LISTEN_H
#define AP_LISTEN_H

#include "apr_network_io.h"
#include "httpd.h"
#include "http_config.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct ap_slave_t ap_slave_t;
typedef struct ap_listen_rec ap_listen_rec;
typedef apr_status_t (*accept_function)(void **csd, ap_listen_rec *lr, apr_pool_t *ptrans);

/**
 * @brief Apache's listeners record.
 *
 * These are used in the Multi-Processing Modules
 * to setup all of the sockets for the MPM to listen to and accept on.
 */
struct ap_listen_rec {
    /**
     * The next listener in the list
     */
    ap_listen_rec *next;
    /**
     * The actual socket
     */
    apr_socket_t *sd;
    /**
     * The sockaddr the socket should bind to
     */
    apr_sockaddr_t *bind_addr;
    /**
     * The accept function for this socket
     */
    accept_function accept_func;
    /**
     * Is this socket currently active
     */
    int active;
    /**
     * The default protocol for this listening socket.
     */
    const char* protocol;

ap_slave_t *slave;
};

/**
 * The global list of ap_listen_rec structures
 */
AP_DECLARE_DATA extern ap_listen_rec *ap_listeners;
AP_DECLARE_DATA extern int ap_num_listen_buckets;
AP_DECLARE_DATA extern int ap_have_so_reuseport;

/**
 * Setup all of the defaults for the listener list
 */
AP_DECLARE(void) ap_listen_pre_config(void);

/**
 * Loop through the global ap_listen_rec list and create all of the required
 * sockets.  This executes the listen and bind on the sockets.
 * @param s The global server_rec
 * @return The number of open sockets.
 */
AP_DECLARE(int) ap_setup_listeners(server_rec *s);

/**
 * This function duplicates ap_listeners into multiple buckets when configured
 * to (see ListenCoresBucketsRatio) and the platform supports it (eg. number of
 * online CPU cores and SO_REUSEPORT available).
 * @param p The config pool
 * @param s The global server_rec
 * @param buckets The array of listeners buckets.
 * @param num_buckets The total number of listeners buckets (array size).
 * @remark If the given *num_buckets is 0 (input), it will be computed
 *         according to the platform capacities, otherwise (positive) it
 *         will be preserved. The number of listeners duplicated will
 *         always match *num_buckets, be it computed or given.
 */
AP_DECLARE(apr_status_t) ap_duplicate_listeners(apr_pool_t *p, server_rec *s,
                                                ap_listen_rec ***buckets,
                                                int *num_buckets);

/**
 * Loop through the global ap_listen_rec list and close each of the sockets.
 */
AP_DECLARE_NONSTD(void) ap_close_listeners(void);

/**
 * Loop through the given ap_listen_rec list and close each of the sockets.
 * @param listeners The listener to close.
 */
AP_DECLARE_NONSTD(void) ap_close_listeners_ex(ap_listen_rec *listeners);

/**
 * FIXMEDOC
 */
AP_DECLARE_NONSTD(int) ap_close_selected_listeners(ap_slave_t *);

/* Although these functions are exported from libmain, they are not really
 * public functions.  These functions are actually called while parsing the
 * config file, when one of the LISTEN_COMMANDS directives is read.  These
 * should not ever be called by external modules.  ALL MPMs should include
 * LISTEN_COMMANDS in their command_rec table so that these functions are
 * called.
 */
AP_DECLARE_NONSTD(const char *) ap_set_listenbacklog(cmd_parms *cmd, void *dummy, const char *arg);
AP_DECLARE_NONSTD(const char *) ap_set_listencbratio(cmd_parms *cmd, void *dummy, const char *arg);
AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
                                                int argc, char *const argv[]);
AP_DECLARE_NONSTD(const char *) ap_set_send_buffer_size(cmd_parms *cmd, void *dummy,
                                                        const char *arg);
AP_DECLARE_NONSTD(const char *) ap_set_receive_buffer_size(cmd_parms *cmd,
                                                           void *dummy,
                                                           const char *arg);

#define LISTEN_COMMANDS \
AP_INIT_TAKE1("ListenBacklog", ap_set_listenbacklog, NULL, RSRC_CONF, \
  "Maximum length of the queue of pending connections, as used by listen(2)"), \
AP_INIT_TAKE1("ListenCoresBucketsRatio", ap_set_listencbratio, NULL, RSRC_CONF, \
  "Ratio between the number of CPU cores (online) and the number of listeners buckets"), \
AP_INIT_TAKE_ARGV("Listen", ap_set_listener, NULL, RSRC_CONF, \
  "A port number or a numeric IP address and a port number, and an optional protocol"), \
AP_INIT_TAKE1("SendBufferSize", ap_set_send_buffer_size, NULL, RSRC_CONF, \
  "Send buffer size in bytes"), \
AP_INIT_TAKE1("ReceiveBufferSize", ap_set_receive_buffer_size, NULL, \
              RSRC_CONF, "Receive buffer size in bytes")

#ifdef __cplusplus
}
#endif

#endif
/** @} */