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ðŸ“„ ap_compat.h(1.05 KB)
ðŸ“„ ap_config.h(6.45 KB)
ðŸ“„ ap_config_auto.h(9.9 KB)
ðŸ“„ ap_config_layout.h(2.52 KB)
ðŸ“„ ap_expr.h(13.75 KB)
ðŸ“„ ap_hooks.h(5.85 KB)
ðŸ“„ ap_listen.h(5.69 KB)
ðŸ“„ ap_mmn.h(39.33 KB)
ðŸ“„ ap_mpm.h(10.51 KB)
ðŸ“„ ap_provider.h(3.45 KB)
ðŸ“„ ap_regex.h(11.14 KB)
ðŸ“„ ap_regkey.h(8.97 KB)
ðŸ“„ ap_release.h(3.07 KB)
ðŸ“„ ap_slotmem.h(7.07 KB)
ðŸ“„ ap_socache.h(9.18 KB)
ðŸ“„ apache_noprobes.h(15.59 KB)
ðŸ“„ cache_common.h(1.97 KB)
ðŸ“„ heartbeat.h(1.56 KB)
ðŸ“„ http_config.h(56.37 KB)
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ðŸ“„ http_core.h(36.4 KB)
ðŸ“„ http_log.h(36.01 KB)
ðŸ“„ http_main.h(3.17 KB)
ðŸ“„ http_protocol.h(41.41 KB)
ðŸ“„ http_request.h(25.72 KB)
ðŸ“„ http_ssl.h(14.62 KB)
ðŸ“„ http_vhost.h(4.49 KB)
ðŸ“„ httpd.h(94.51 KB)
ðŸ“„ mod_auth.h(4.42 KB)
ðŸ“„ mod_cache.h(7.09 KB)
ðŸ“„ mod_cgi.h(2.44 KB)
ðŸ“„ mod_core.h(3.33 KB)
ðŸ“„ mod_dav.h(97.69 KB)
ðŸ“„ mod_dbd.h(4.06 KB)
ðŸ“„ mod_http2.h(4.59 KB)
ðŸ“„ mod_include.h(3.89 KB)
ðŸ“„ mod_log_config.h(2.43 KB)
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ðŸ“„ mod_rewrite.h(1.36 KB)
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ðŸ“„ mod_so.h(1.2 KB)
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ðŸ“„ mod_unixd.h(1.09 KB)
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ðŸ“„ mpm_common.h(16.92 KB)
ðŸ“„ os.h(1.63 KB)
ðŸ“„ scoreboard.h(9.81 KB)
ðŸ“„ unixd.h(4.14 KB)
ðŸ“„ util_cfgtree.h(3.08 KB)
ðŸ“„ util_charset.h(2.21 KB)
ðŸ“„ util_cookies.h(4.84 KB)
ðŸ“„ util_ebcdic.h(2.69 KB)
ðŸ“„ util_fcgi.h(9.75 KB)
ðŸ“„ util_filter.h(25.84 KB)
ðŸ“„ util_ldap.h(17.94 KB)
ðŸ“„ util_md5.h(2.12 KB)
ðŸ“„ util_mutex.h(9.07 KB)
ðŸ“„ util_script.h(9.63 KB)
ðŸ“„ util_time.h(4.1 KB)
ðŸ“„ util_varbuf.h(8.09 KB)
ðŸ“„ util_xml.h(1.31 KB)

Editing: ap_listen.h

/* 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
/** @} */

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