1 /* ====================================================================
2 * The Apache Software License, Version 1.1
4 * Copyright (c) 2000 The Apache Software Foundation. All rights
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8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
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24 * if and wherever such third-party acknowledgments normally appear.
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47 * ====================================================================
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58 #include "apr_network_io.h"
59 #include "http_config.h"
62 * @package Apache Listeners Library
65 typedef struct ap_listen_rec ap_listen_rec;
68 * Apache's listeners record. These are used in the Multi-Processing Modules
69 * to setup all of the sockets for the MPM to listen to and accept on.
71 struct ap_listen_rec {
73 * The next listener in the list
81 * Is this socket currently active
86 * Windows only. The number of completion ports currently listening to
91 /* more stuff here, like which protocol is bound to the port */
95 * The global list of ap_listen_rec structures
97 extern ap_listen_rec *ap_listeners;
100 * Setup all of the defaults for the listener list
102 void ap_listen_pre_config(void);
103 #if !defined(WIN32) && !defined(SPMT_OS2_MPM)
105 * Loop through the global ap_listen_rec list and create all of the required
106 * sockets. This executes the listen and bind on the sockets.
107 * @param s The global server_rec
108 * @return The number of open sockets.
109 * @warning This function is not available to Windows platforms, or the
110 * Prefork or SPMT_OS2 MPMs.
112 int ap_setup_listeners(server_rec *s);
115 * Create and open a socket on the specified port. This includes listening
116 * and binding the socket.
117 * @param process The process record for the currently running server
118 * @param port The port to open a socket on.
119 * @return The number of open sockets
120 * @warning This function is only available to Windows platforms, or the
121 * Prefork or SPMT_OS2 MPMs.
123 int ap_listen_open(process_rec *process, apr_port_t port);
126 /* Although these functions are exported from libmain, they are not really
127 * public functions. These functions are actually called while parsing the
128 * config file, when one of the LISTEN_COMMANDS directives is read. These
129 * should not ever be called by external modules. ALL MPMs should include
130 * LISTEN_COMMANDS in their command_rec table so that these functions are
133 const char *ap_set_listenbacklog(cmd_parms *cmd, void *dummy, const char *arg);
134 const char *ap_set_listener(cmd_parms *cmd, void *dummy, const char *ips);
135 const char *ap_set_send_buffer_size(cmd_parms *cmd, void *dummy,
138 #define LISTEN_COMMANDS \
139 AP_INIT_TAKE1("ListenBacklog", ap_set_listenbacklog, NULL, RSRC_CONF, \
140 "Maximum length of the queue of pending connections, as used by listen(2)"), \
141 AP_INIT_TAKE1("Listen", ap_set_listener, NULL, RSRC_CONF, \
142 "A port number or a numeric IP address and a port number"), \
143 AP_INIT_TAKE1("SendBufferSize", ap_set_send_buffer_size, NULL, RSRC_CONF, \
144 "Send buffer size in bytes"),