コード例 #1
0
ファイル: func_channel.c プロジェクト: adaptiman/asterisk
static int func_channel_read(struct ast_channel *chan, const char *function,
			     char *data, char *buf, size_t len)
{
	int ret = 0;
	struct ast_format_cap *tmpcap;

	if (!chan) {
		ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
		return -1;
	}

	if (!strcasecmp(data, "audionativeformat")) {
		tmpcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
		if (tmpcap) {
			struct ast_str *codec_buf = ast_str_alloca(128);

			ast_channel_lock(chan);
			ast_format_cap_append_from_cap(tmpcap, ast_channel_nativeformats(chan), AST_MEDIA_TYPE_AUDIO);
			ast_channel_unlock(chan);
			ast_copy_string(buf, ast_format_cap_get_names(tmpcap, &codec_buf), len);
			ao2_ref(tmpcap, -1);
		}
	} else if (!strcasecmp(data, "videonativeformat")) {
		tmpcap = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
		if (tmpcap) {
			struct ast_str *codec_buf = ast_str_alloca(128);

			ast_channel_lock(chan);
			ast_format_cap_append_from_cap(tmpcap, ast_channel_nativeformats(chan), AST_MEDIA_TYPE_VIDEO);
			ast_channel_unlock(chan);
			ast_copy_string(buf, ast_format_cap_get_names(tmpcap, &codec_buf), len);
			ao2_ref(tmpcap, -1);
		}
	} else if (!strcasecmp(data, "audioreadformat")) {
		locked_copy_string(chan, buf, ast_format_get_name(ast_channel_readformat(chan)), len);
	} else if (!strcasecmp(data, "audiowriteformat")) {
		locked_copy_string(chan, buf, ast_format_get_name(ast_channel_writeformat(chan)), len);
#ifdef CHANNEL_TRACE
	} else if (!strcasecmp(data, "trace")) {
		locked_copy_string(chan, buf, ast_channel_trace_is_enabled(chan) ? "1" : "0", len);
#endif
	} else if (!strcasecmp(data, "tonezone") && ast_channel_zone(chan)) {
		locked_copy_string(chan, buf, ast_channel_zone(chan)->country, len);
	} else if (!strcasecmp(data, "dtmf_features")) {
		if (ast_bridge_features_ds_get_string(chan, buf, len)) {
			buf[0] = '\0';
		}
	} else if (!strcasecmp(data, "language"))
		locked_copy_string(chan, buf, ast_channel_language(chan), len);
	else if (!strcasecmp(data, "musicclass"))
		locked_copy_string(chan, buf, ast_channel_musicclass(chan), len);
	else if (!strcasecmp(data, "name")) {
		locked_copy_string(chan, buf, ast_channel_name(chan), len);
	} else if (!strcasecmp(data, "parkinglot"))
		locked_copy_string(chan, buf, ast_channel_parkinglot(chan), len);
	else if (!strcasecmp(data, "state"))
		locked_copy_string(chan, buf, ast_state2str(ast_channel_state(chan)), len);
	else if (!strcasecmp(data, "onhold")) {
		locked_copy_string(chan, buf,
			ast_channel_hold_state(chan) == AST_CONTROL_HOLD ? "1" : "0", len);
	} else if (!strcasecmp(data, "channeltype"))
		locked_copy_string(chan, buf, ast_channel_tech(chan)->type, len);
	else if (!strcasecmp(data, "accountcode"))
		locked_copy_string(chan, buf, ast_channel_accountcode(chan), len);
	else if (!strcasecmp(data, "checkhangup")) {
		locked_copy_string(chan, buf, ast_check_hangup(chan) ? "1" : "0", len);
	} else if (!strcasecmp(data, "peeraccount"))
		locked_copy_string(chan, buf, ast_channel_peeraccount(chan), len);
	else if (!strcasecmp(data, "hangupsource"))
		locked_copy_string(chan, buf, ast_channel_hangupsource(chan), len);
	else if (!strcasecmp(data, "appname") && ast_channel_appl(chan))
		locked_copy_string(chan, buf, ast_channel_appl(chan), len);
	else if (!strcasecmp(data, "appdata") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_data(chan), len);
	else if (!strcasecmp(data, "exten") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_exten(chan), len);
	else if (!strcasecmp(data, "context") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_context(chan), len);
	else if (!strcasecmp(data, "userfield") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_userfield(chan), len);
	else if (!strcasecmp(data, "channame") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_name(chan), len);
	else if (!strcasecmp(data, "linkedid")) {
		ast_channel_lock(chan);
		if (ast_strlen_zero(ast_channel_linkedid(chan))) {
			/* fall back on the channel's uniqueid if linkedid is unset */
			ast_copy_string(buf, ast_channel_uniqueid(chan), len);
		}
		else {
			ast_copy_string(buf, ast_channel_linkedid(chan), len);
		}
		ast_channel_unlock(chan);
	} else if (!strcasecmp(data, "peer")) {
		struct ast_channel *peer;

		peer = ast_channel_bridge_peer(chan);
		if (peer) {
			/* Only real channels could have a bridge peer this way. */
			ast_channel_lock(peer);
			ast_copy_string(buf, ast_channel_name(peer), len);
			ast_channel_unlock(peer);
			ast_channel_unref(peer);
		} else {
			buf[0] = '\0';
			ast_channel_lock(chan);
			if (!ast_channel_tech(chan)) {
				const char *pname;

				/*
				 * A dummy channel can still pass along bridged peer info
				 * via the BRIDGEPEER variable.
				 *
				 * A horrible kludge, but... how else?
				 */
				pname = pbx_builtin_getvar_helper(chan, "BRIDGEPEER");
				if (!ast_strlen_zero(pname)) {
					ast_copy_string(buf, pname, len);
				}
			}
			ast_channel_unlock(chan);
		}
	} else if (!strcasecmp(data, "uniqueid")) {
		locked_copy_string(chan, buf, ast_channel_uniqueid(chan), len);
	} else if (!strcasecmp(data, "transfercapability")) {
		locked_copy_string(chan, buf, transfercapability_table[ast_channel_transfercapability(chan) & 0x1f], len);
	} else if (!strcasecmp(data, "callgroup")) {
		char groupbuf[256];

		locked_copy_string(chan, buf,  ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_callgroup(chan)), len);
	} else if (!strcasecmp(data, "pickupgroup")) {
		char groupbuf[256];

		locked_copy_string(chan, buf,  ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_pickupgroup(chan)), len);
	} else if (!strcasecmp(data, "namedcallgroup")) {
		struct ast_str *tmp_str = ast_str_alloca(1024);

		locked_copy_string(chan, buf,  ast_print_namedgroups(&tmp_str, ast_channel_named_callgroups(chan)), len);
	} else if (!strcasecmp(data, "namedpickupgroup")) {
		struct ast_str *tmp_str = ast_str_alloca(1024);

		locked_copy_string(chan, buf,  ast_print_namedgroups(&tmp_str, ast_channel_named_pickupgroups(chan)), len);
	} else if (!strcasecmp(data, "after_bridge_goto")) {
		ast_bridge_read_after_goto(chan, buf, len);
	} else if (!strcasecmp(data, "amaflags")) {
		ast_channel_lock(chan);
		snprintf(buf, len, "%u", ast_channel_amaflags(chan));
		ast_channel_unlock(chan);
	} else if (!strncasecmp(data, "secure_bridge_", 14)) {
		struct ast_datastore *ds;

		buf[0] = '\0';
		ast_channel_lock(chan);
		if ((ds = ast_channel_datastore_find(chan, &secure_call_info, NULL))) {
			struct ast_secure_call_store *encrypt = ds->data;

			if (!strcasecmp(data, "secure_bridge_signaling")) {
				snprintf(buf, len, "%s", encrypt->signaling ? "1" : "");
			} else if (!strcasecmp(data, "secure_bridge_media")) {
				snprintf(buf, len, "%s", encrypt->media ? "1" : "");
			}
		}
		ast_channel_unlock(chan);
	} else if (!strcasecmp(data, "max_forwards")) {
		ast_channel_lock(chan);
		snprintf(buf, len, "%d", ast_max_forwards_get(chan));
		ast_channel_unlock(chan);
	} else if (!ast_channel_tech(chan) || !ast_channel_tech(chan)->func_channel_read || ast_channel_tech(chan)->func_channel_read(chan, function, data, buf, len)) {
		ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data);
		ret = -1;
	}

	return ret;
}
コード例 #2
0
ファイル: func_channel.c プロジェクト: jcollie/asterisk
static int func_channel_read(struct ast_channel *chan, const char *function,
			     char *data, char *buf, size_t len)
{
	int ret = 0;
	struct ast_format_cap *tmpcap;

	if (!chan) {
		ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
		return -1;
	}

	if (!strcasecmp(data, "audionativeformat")) {
		char tmp[512];

		if ((tmpcap = ast_format_cap_get_type(ast_channel_nativeformats(chan), AST_FORMAT_TYPE_AUDIO))) {
			ast_copy_string(buf, ast_getformatname_multiple(tmp, sizeof(tmp), tmpcap), len);
			tmpcap = ast_format_cap_destroy(tmpcap);
		}
	} else if (!strcasecmp(data, "videonativeformat")) {
		char tmp[512];

		if ((tmpcap = ast_format_cap_get_type(ast_channel_nativeformats(chan), AST_FORMAT_TYPE_VIDEO))) {
			ast_copy_string(buf, ast_getformatname_multiple(tmp, sizeof(tmp), tmpcap), len);
			tmpcap = ast_format_cap_destroy(tmpcap);
		}
	} else if (!strcasecmp(data, "audioreadformat")) {
		ast_copy_string(buf, ast_getformatname(ast_channel_readformat(chan)), len);
	} else if (!strcasecmp(data, "audiowriteformat")) {
		ast_copy_string(buf, ast_getformatname(ast_channel_writeformat(chan)), len);
#ifdef CHANNEL_TRACE
	} else if (!strcasecmp(data, "trace")) {
		ast_channel_lock(chan);
		ast_copy_string(buf, ast_channel_trace_is_enabled(chan) ? "1" : "0", len);
		ast_channel_unlock(chan);
#endif
	} else if (!strcasecmp(data, "tonezone") && ast_channel_zone(chan)) {
		locked_copy_string(chan, buf, ast_channel_zone(chan)->country, len);
	} else if (!strcasecmp(data, "dtmf_features")) {
		if (ast_bridge_features_ds_get_string(chan, buf, len)) {
			buf[0] = '\0';
		}
	} else if (!strcasecmp(data, "language"))
		locked_copy_string(chan, buf, ast_channel_language(chan), len);
	else if (!strcasecmp(data, "musicclass"))
		locked_copy_string(chan, buf, ast_channel_musicclass(chan), len);
	else if (!strcasecmp(data, "name")) {
		locked_copy_string(chan, buf, ast_channel_name(chan), len);
	} else if (!strcasecmp(data, "parkinglot"))
		locked_copy_string(chan, buf, ast_channel_parkinglot(chan), len);
	else if (!strcasecmp(data, "state"))
		locked_copy_string(chan, buf, ast_state2str(ast_channel_state(chan)), len);
	else if (!strcasecmp(data, "channeltype"))
		locked_copy_string(chan, buf, ast_channel_tech(chan)->type, len);
	else if (!strcasecmp(data, "accountcode"))
		locked_copy_string(chan, buf, ast_channel_accountcode(chan), len);
	else if (!strcasecmp(data, "checkhangup")) {
		ast_channel_lock(chan);
		ast_copy_string(buf, ast_check_hangup(chan) ? "1" : "0", len);
		ast_channel_unlock(chan);
	} else if (!strcasecmp(data, "peeraccount"))
		locked_copy_string(chan, buf, ast_channel_peeraccount(chan), len);
	else if (!strcasecmp(data, "hangupsource"))
		locked_copy_string(chan, buf, ast_channel_hangupsource(chan), len);
	else if (!strcasecmp(data, "appname") && ast_channel_appl(chan))
		locked_copy_string(chan, buf, ast_channel_appl(chan), len);
	else if (!strcasecmp(data, "appdata") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_data(chan), len);
	else if (!strcasecmp(data, "exten") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_exten(chan), len);
	else if (!strcasecmp(data, "context") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_context(chan), len);
	else if (!strcasecmp(data, "userfield") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_userfield(chan), len);
	else if (!strcasecmp(data, "channame") && ast_channel_data(chan))
		locked_copy_string(chan, buf, ast_channel_name(chan), len);
	else if (!strcasecmp(data, "linkedid")) {
		ast_channel_lock(chan);
		if (ast_strlen_zero(ast_channel_linkedid(chan))) {
			/* fall back on the channel's uniqueid if linkedid is unset */
			ast_copy_string(buf, ast_channel_uniqueid(chan), len);
		}
		else {
			ast_copy_string(buf, ast_channel_linkedid(chan), len);
		}
		ast_channel_unlock(chan);
	} else if (!strcasecmp(data, "peer")) {
		RAII_VAR(struct ast_channel *, p, NULL, ast_channel_cleanup);

		ast_channel_lock(chan);
		p = ast_channel_bridge_peer(chan);
		if (p || ast_channel_tech(chan)) /* dummy channel? if so, we hid the peer name in the language */
			ast_copy_string(buf, (p ? ast_channel_name(p) : ""), len);
		else {
			/* a dummy channel can still pass along bridged peer info via
                           the BRIDGEPEER variable */
			const char *pname = pbx_builtin_getvar_helper(chan, "BRIDGEPEER");
			if (!ast_strlen_zero(pname))
				ast_copy_string(buf, pname, len); /* a horrible kludge, but... how else? */
			else
				buf[0] = 0;
		}
		ast_channel_unlock(chan);
	} else if (!strcasecmp(data, "uniqueid")) {
		locked_copy_string(chan, buf, ast_channel_uniqueid(chan), len);
	} else if (!strcasecmp(data, "transfercapability")) {
		locked_copy_string(chan, buf, transfercapability_table[ast_channel_transfercapability(chan) & 0x1f], len);
	} else if (!strcasecmp(data, "callgroup")) {
		char groupbuf[256];

		locked_copy_string(chan, buf,  ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_callgroup(chan)), len);
	} else if (!strcasecmp(data, "pickupgroup")) {
		char groupbuf[256];

		locked_copy_string(chan, buf,  ast_print_group(groupbuf, sizeof(groupbuf), ast_channel_pickupgroup(chan)), len);
	} else if (!strcasecmp(data, "namedcallgroup")) {
		struct ast_str *tmp_str = ast_str_alloca(1024);

		locked_copy_string(chan, buf,  ast_print_namedgroups(&tmp_str, ast_channel_named_callgroups(chan)), len);
	} else if (!strcasecmp(data, "namedpickupgroup")) {
		struct ast_str *tmp_str = ast_str_alloca(1024);

		locked_copy_string(chan, buf,  ast_print_namedgroups(&tmp_str, ast_channel_named_pickupgroups(chan)), len);
	} else if (!strcasecmp(data, "after_bridge_goto")) {
		ast_bridge_read_after_goto(chan, buf, len);
	} else if (!strcasecmp(data, "amaflags")) {
		ast_channel_lock(chan);
		snprintf(buf, len, "%d", ast_channel_amaflags(chan));
		ast_channel_unlock(chan);
	} else if (!strncasecmp(data, "secure_bridge_", 14)) {
		struct ast_datastore *ds;

		ast_channel_lock(chan);
		if ((ds = ast_channel_datastore_find(chan, &secure_call_info, NULL))) {
			struct ast_secure_call_store *encrypt = ds->data;
			if (!strcasecmp(data, "secure_bridge_signaling")) {
				snprintf(buf, len, "%s", encrypt->signaling ? "1" : "");
			} else if (!strcasecmp(data, "secure_bridge_media")) {
				snprintf(buf, len, "%s", encrypt->media ? "1" : "");
			}
		}
		ast_channel_unlock(chan);
	} else if (!ast_channel_tech(chan) || !ast_channel_tech(chan)->func_channel_read || ast_channel_tech(chan)->func_channel_read(chan, function, data, buf, len)) {
		ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data);
		ret = -1;
	}

	return ret;
}