2 * Asterisk -- An open source telephony toolkit.
4 * Copyright (C) 1999 - 2006, Digium, Inc.
6 * Mark Spencer <markster@digium.com>
8 * See http://www.asterisk.org for more information about
9 * the Asterisk project. Please do not directly contact
10 * any of the maintainers of this project for assistance;
11 * the project provides a web site, mailing lists and IRC
12 * channels for your use.
14 * This program is free software, distributed under the terms of
15 * the GNU General Public License Version 2. See the LICENSE file
16 * at the top of the source tree.
21 * \brief Channel timeout related dialplan functions
23 * \author Mark Spencer <markster@digium.com>
29 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
34 #include <sys/types.h>
36 #include "asterisk/module.h"
37 #include "asterisk/channel.h"
38 #include "asterisk/pbx.h"
39 #include "asterisk/logger.h"
40 #include "asterisk/utils.h"
41 #include "asterisk/app.h"
42 #include "asterisk/options.h"
44 static int timeout_read(struct ast_channel *chan, const char *cmd, char *data,
45 char *buf, size_t len)
53 ast_log(LOG_ERROR, "Must specify type of timeout to get.\n");
60 if (chan->whentohangup == 0) {
61 ast_copy_string(buf, "0", len);
64 snprintf(buf, len, "%d", (int) (chan->whentohangup - myt));
71 snprintf(buf, len, "%d", chan->pbx->rtimeout);
78 snprintf(buf, len, "%d", chan->pbx->dtimeout);
83 ast_log(LOG_ERROR, "Unknown timeout type specified.\n");
90 static int timeout_write(struct ast_channel *chan, const char *cmd, char *data,
102 ast_log(LOG_ERROR, "Must specify type of timeout to set.\n");
112 x = (int) (f * 1000);
117 ast_channel_setwhentohangup(chan, x);
118 if (chan->whentohangup) {
119 struct timeval tv = { chan->whentohangup, 0 };
120 ast_strftime(timestr, sizeof(timestr), "%Y-%m-%d %H:%M:%S.%3q %Z",
121 ast_localtime(&tv, &myt, NULL));
122 ast_verb(3, "Channel will hangup at %s.\n", timestr);
124 ast_verb(3, "Channel hangup cancelled.\n");
131 chan->pbx->rtimeout = x;
132 ast_verb(3, "Response timeout set to %d\n", chan->pbx->rtimeout);
139 chan->pbx->dtimeout = x;
140 ast_verb(3, "Digit timeout set to %d\n", chan->pbx->dtimeout);
145 ast_log(LOG_ERROR, "Unknown timeout type specified.\n");
152 static struct ast_custom_function timeout_function = {
154 .synopsis = "Gets or sets timeouts on the channel. Timeout values are in seconds.",
155 .syntax = "TIMEOUT(timeouttype)",
157 "Gets or sets various channel timeouts. The timeouts that can be\n"
158 "manipulated are:\n" "\n"
159 "absolute: The absolute maximum amount of time permitted for a call. A\n"
160 " setting of 0 disables the timeout.\n" "\n"
161 "digit: The maximum amount of time permitted between digits when the\n"
162 " user is typing in an extension. When this timeout expires,\n"
163 " after the user has started to type in an extension, the\n"
164 " extension will be considered complete, and will be\n"
165 " interpreted. Note that if an extension typed in is valid,\n"
166 " it will not have to timeout to be tested, so typically at\n"
167 " the expiry of this timeout, the extension will be considered\n"
168 " invalid (and thus control would be passed to the 'i'\n"
169 " extension, or if it doesn't exist the call would be\n"
170 " terminated). The default timeout is 5 seconds.\n" "\n"
171 "response: The maximum amount of time permitted after falling through a\n"
172 " series of priorities for a channel in which the user may\n"
173 " begin typing an extension. If the user does not type an\n"
174 " extension in this amount of time, control will pass to the\n"
175 " 't' extension if it exists, and if not the call would be\n"
176 " terminated. The default timeout is 10 seconds.\n",
177 .read = timeout_read,
178 .write = timeout_write,
181 static int unload_module(void)
183 return ast_custom_function_unregister(&timeout_function);
186 static int load_module(void)
188 return ast_custom_function_register(&timeout_function);
191 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel timeout dialplan functions");