mirror of https://github.com/asterisk/asterisk
deprecate LANGUAGE() and MUSICCLASS(), in favor of CHANNEL() git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@9674 65c4cc65-6c06-0410-ace0-fbb531ad65f31.4
Kevin P. Fleming
19 years ago
parent
3d2404c62c
commit
96bf384e7d
@ -0,0 +1,152 @@
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2006, Digium, Inc.
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Channel info dialplan function
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*
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* \author Kevin P. Fleming <kpfleming@digium.com>
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision: $")
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/logger.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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#include "asterisk/indications.h"
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#include "asterisk/stringfields.h"
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#define locked_copy_string(chan, dest, source, len) \
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do { \
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ast_mutex_lock(&chan->lock); \
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ast_copy_string(dest, source, len); \
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ast_mutex_unlock(&chan->lock); \
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} while (0)
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#define locked_string_field_set(chan, field, source) \
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do { \
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ast_mutex_lock(&chan->lock); \
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ast_string_field_set(chan, field, source); \
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ast_mutex_unlock(&chan->lock); \
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} while (0)
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static int func_channel_read(struct ast_channel *chan, char *function,
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char *data, char *buf, size_t len)
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{
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int ret = 0;
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if (!strcasecmp(data, "audionativeformat"))
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/* use the _multiple version when chan->nativeformats holds multiple formats */
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/* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_AUDIO_MASK); */
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ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_AUDIO_MASK), len);
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else if (!strcasecmp(data, "videonativeformat"))
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/* use the _multiple version when chan->nativeformats holds multiple formats */
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/* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_VIDEO_MASK); */
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ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_VIDEO_MASK), len);
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else if (!strcasecmp(data, "audioreadformat"))
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ast_copy_string(buf, ast_getformatname(chan->readformat), len);
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else if (!strcasecmp(data, "audiowriteformat"))
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ast_copy_string(buf, ast_getformatname(chan->writeformat), len);
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else if (!strcasecmp(data, "tonezone") && chan->zone)
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locked_copy_string(chan, buf, chan->zone->country, len);
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else if (!strcasecmp(data, "language"))
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locked_copy_string(chan, buf, chan->language, len);
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else if (!strcasecmp(data, "musicclass"))
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locked_copy_string(chan, buf, chan->musicclass, len);
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else if (!chan->tech->func_channel_read
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|| chan->tech->func_channel_read(chan, function, data, buf, len)) {
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ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data);
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ret = -1;
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}
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return ret;
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}
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static int func_channel_write(struct ast_channel *chan, char *function,
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char *data, const char *value)
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{
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int ret = 0;
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if (!strcasecmp(data, "language"))
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locked_string_field_set(chan, language, value);
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else if (!strcasecmp(data, "musicclass"))
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locked_string_field_set(chan, musicclass, value);
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else if (!chan->tech->func_channel_write
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|| chan->tech->func_channel_write(chan, function, data, value)) {
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ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n",
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data);
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ret = -1;
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}
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return ret;
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}
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static struct ast_custom_function channel_function = {
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.name = "CHANNEL",
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.synopsis = "Gets/sets various pieces of information about the channel.",
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.syntax = "CHANNEL(item)",
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.desc = "Gets/set various pieces of information about the channel.\n"
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"Standard items (provided by all channel technologies) are:\n"
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"R/O audioreadformat format currently being read\n"
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"R/O audionativeformat format used natively for audio\n"
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"R/O audiowriteformat format currently being written\n"
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"R/W language language for sounds played\n"
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"R/W musicclass class (from musiconhold.conf) for hold music\n"
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"R/O tonezone zone for indications played\n"
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"R/O videonativeformat format used natively for video\n"
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"\n"
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"Additional items may be available from the channel driver providing\n"
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"the channel; see its documentation for details.\n"
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"\n"
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"Any item requested that is not available on the current channel will\n"
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"return an empty string.\n",
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.read = func_channel_read,
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.write = func_channel_write,
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};
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static char *tdesc = "Channel information dialplan function";
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int unload_module(void)
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{
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return ast_custom_function_unregister(&channel_function);
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}
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int load_module(void)
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{
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return ast_custom_function_register(&channel_function);
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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return 0;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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