Ejemplo n.º 1
0
static u_char *ast_var_channels_table(struct variable *vp, oid *name, size_t *length,
									int exact, size_t *var_len, WriteMethod **write_method)
{
	static unsigned long long_ret;
	static u_char bits_ret[2];
	static char string_ret[256];
	struct ast_channel *chan, *bridge;
	struct timeval tval;
	u_char *ret = NULL;
	int i, bit;
	struct ast_str *out = ast_str_alloca(2048);
	struct ast_channel_iterator *iter;

	if (header_simple_table(vp, name, length, exact, var_len, write_method, ast_active_channels()))
		return NULL;

	i = name[*length - 1] - 1;

	if (!(iter = ast_channel_iterator_all_new())) {
		return NULL;
	}

	while ((chan = ast_channel_iterator_next(iter)) && i) {
		ast_channel_unref(chan);
		i--;
	}

	iter = ast_channel_iterator_destroy(iter);

	if (chan == NULL) {
		return NULL;
	}

	*var_len = sizeof(long_ret);

	ast_channel_lock(chan);

	switch (vp->magic) {
	case ASTCHANINDEX:
		long_ret = name[*length - 1];
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANNAME:
		if (!ast_strlen_zero(ast_channel_name(chan))) {
			ast_copy_string(string_ret, ast_channel_name(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANLANGUAGE:
		if (!ast_strlen_zero(ast_channel_language(chan))) {
			ast_copy_string(string_ret, ast_channel_language(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANTYPE:
		ast_copy_string(string_ret, ast_channel_tech(chan)->type, sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANMUSICCLASS:
		if (!ast_strlen_zero(ast_channel_musicclass(chan))) {
			ast_copy_string(string_ret, ast_channel_musicclass(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANBRIDGE:
		if ((bridge = ast_bridged_channel(chan)) != NULL) {
			ast_copy_string(string_ret, ast_channel_name(bridge), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANMASQ:
		if (ast_channel_masq(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masq(chan)))) {
			ast_copy_string(string_ret, ast_channel_name(ast_channel_masq(chan)), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANMASQR:
		if (ast_channel_masqr(chan) && !ast_strlen_zero(ast_channel_name(ast_channel_masqr(chan)))) {
			ast_copy_string(string_ret, ast_channel_name(ast_channel_masqr(chan)), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANWHENHANGUP:
		if (!ast_tvzero(*ast_channel_whentohangup(chan))) {
			gettimeofday(&tval, NULL);
			long_ret = difftime(ast_channel_whentohangup(chan)->tv_sec, tval.tv_sec) * 100 - tval.tv_usec / 10000;
			ret= (u_char *)&long_ret;
		}
		break;
	case ASTCHANAPP:
		if (ast_channel_appl(chan)) {
			ast_copy_string(string_ret, ast_channel_appl(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANDATA:
		if (ast_channel_data(chan)) {
			ast_copy_string(string_ret, ast_channel_data(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCONTEXT:
		ast_copy_string(string_ret, ast_channel_context(chan), sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANMACROCONTEXT:
		ast_copy_string(string_ret, ast_channel_macrocontext(chan), sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANMACROEXTEN:
		ast_copy_string(string_ret, ast_channel_macroexten(chan), sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANMACROPRI:
		long_ret = ast_channel_macropriority(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANEXTEN:
		ast_copy_string(string_ret, ast_channel_exten(chan), sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANPRI:
		long_ret = ast_channel_priority(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANACCOUNTCODE:
		if (!ast_strlen_zero(ast_channel_accountcode(chan))) {
			ast_copy_string(string_ret, ast_channel_accountcode(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANFORWARDTO:
		if (!ast_strlen_zero(ast_channel_call_forward(chan))) {
			ast_copy_string(string_ret, ast_channel_call_forward(chan), sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANUNIQUEID:
		ast_copy_string(string_ret, ast_channel_uniqueid(chan), sizeof(string_ret));
		*var_len = strlen(string_ret);
		ret = (u_char *)string_ret;
		break;
	case ASTCHANCALLGROUP:
		long_ret = ast_channel_callgroup(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANPICKUPGROUP:
		long_ret = ast_channel_pickupgroup(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANSTATE:
		long_ret = ast_channel_state(chan) & 0xffff;
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANMUTED:
		long_ret = ast_channel_state(chan) & AST_STATE_MUTE ? 1 : 2;
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANRINGS:
		long_ret = ast_channel_rings(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANCIDDNID:
		if (ast_channel_dialed(chan)->number.str) {
			ast_copy_string(string_ret, ast_channel_dialed(chan)->number.str, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCIDNUM:
		if (ast_channel_caller(chan)->id.number.valid && ast_channel_caller(chan)->id.number.str) {
			ast_copy_string(string_ret, ast_channel_caller(chan)->id.number.str, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCIDNAME:
		if (ast_channel_caller(chan)->id.name.valid && ast_channel_caller(chan)->id.name.str) {
			ast_copy_string(string_ret, ast_channel_caller(chan)->id.name.str, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCIDANI:
		if (ast_channel_caller(chan)->ani.number.valid && ast_channel_caller(chan)->ani.number.str) {
			ast_copy_string(string_ret, ast_channel_caller(chan)->ani.number.str, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCIDRDNIS:
		if (ast_channel_redirecting(chan)->from.number.valid && ast_channel_redirecting(chan)->from.number.str) {
			ast_copy_string(string_ret, ast_channel_redirecting(chan)->from.number.str, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANCIDPRES:
		long_ret = ast_party_id_presentation(&ast_channel_caller(chan)->id);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANCIDANI2:
		long_ret = ast_channel_caller(chan)->ani2;
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANCIDTON:
		long_ret = ast_channel_caller(chan)->id.number.plan;
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANCIDTNS:
		long_ret = ast_channel_dialed(chan)->transit_network_select;
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANAMAFLAGS:
		long_ret = ast_channel_amaflags(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANADSI:
		long_ret = ast_channel_adsicpe(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANTONEZONE:
		if (ast_channel_zone(chan)) {
			ast_copy_string(string_ret, ast_channel_zone(chan)->country, sizeof(string_ret));
			*var_len = strlen(string_ret);
			ret = (u_char *)string_ret;
		}
		break;
	case ASTCHANHANGUPCAUSE:
		long_ret = ast_channel_hangupcause(chan);
		ret = (u_char *)&long_ret;
		break;
	case ASTCHANVARIABLES:
		if (pbx_builtin_serialize_variables(chan, &out)) {
			*var_len = ast_str_strlen(out);
			ret = (u_char *)ast_str_buffer(out);
		}
		break;
	case ASTCHANFLAGS:
		bits_ret[0] = 0;
		for (bit = 0; bit < 8; bit++)
			bits_ret[0] |= ((ast_channel_flags(chan)->flags & (1 << bit)) >> bit) << (7 - bit);
		bits_ret[1] = 0;
		for (bit = 0; bit < 8; bit++)
			bits_ret[1] |= (((ast_channel_flags(chan)->flags >> 8) & (1 << bit)) >> bit) << (7 - bit);
		*var_len = 2;
		ret = bits_ret;
		break;
	case ASTCHANTRANSFERCAP:
		long_ret = ast_channel_transfercapability(chan);
		ret = (u_char *)&long_ret;
	default:
		break;
	}

	ast_channel_unlock(chan);
	chan = ast_channel_unref(chan);

	return ret;
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
0
static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
{
	long elapsed_seconds = 0;
	int hour = 0, min = 0, sec = 0;
	struct ast_str *format_buf = ast_str_alloca(64);
	char cgrp[256];
	char pgrp[256];
	struct ast_str *write_transpath = ast_str_alloca(256);
	struct ast_str *read_transpath = ast_str_alloca(256);
	struct ast_bridge *bridge;

	memset(buf, 0, size);
	if (!c)
		return 0;

	elapsed_seconds = ast_channel_get_duration(c);
	hour = elapsed_seconds / 3600;
	min = (elapsed_seconds % 3600) / 60;
	sec = elapsed_seconds % 60;

	ast_channel_lock(c);
	bridge = ast_channel_get_bridge(c);
	ast_channel_unlock(c);

	snprintf(buf,size,
		"Name=               %s\n"
		"Type=               %s\n"
		"UniqueID=           %s\n"
		"LinkedID=           %s\n"
		"CallerIDNum=        %s\n"
		"CallerIDName=       %s\n"
		"ConnectedLineIDNum= %s\n"
		"ConnectedLineIDName=%s\n"
		"DNIDDigits=         %s\n"
		"RDNIS=              %s\n"
		"Parkinglot=         %s\n"
		"Language=           %s\n"
		"State=              %s (%u)\n"
		"Rings=              %d\n"
		"NativeFormat=       %s\n"
		"WriteFormat=        %s\n"
		"ReadFormat=         %s\n"
		"RawWriteFormat=     %s\n"
		"RawReadFormat=      %s\n"
		"WriteTranscode=     %s %s\n"
		"ReadTranscode=      %s %s\n"
		"1stFileDescriptor=  %d\n"
		"Framesin=           %u %s\n"
		"Framesout=          %u %s\n"
		"TimetoHangup=       %ld\n"
		"ElapsedTime=        %dh%dm%ds\n"
		"BridgeID=           %s\n"
		"Context=            %s\n"
		"Extension=          %s\n"
		"Priority=           %d\n"
		"CallGroup=          %s\n"
		"PickupGroup=        %s\n"
		"Application=        %s\n"
		"Data=               %s\n"
		"Blocking_in=        %s\n",
		ast_channel_name(c),
		ast_channel_tech(c)->type,
		ast_channel_uniqueid(c),
		ast_channel_linkedid(c),
		S_COR(ast_channel_caller(c)->id.number.valid, ast_channel_caller(c)->id.number.str, "(N/A)"),
		S_COR(ast_channel_caller(c)->id.name.valid, ast_channel_caller(c)->id.name.str, "(N/A)"),
		S_COR(ast_channel_connected(c)->id.number.valid, ast_channel_connected(c)->id.number.str, "(N/A)"),
		S_COR(ast_channel_connected(c)->id.name.valid, ast_channel_connected(c)->id.name.str, "(N/A)"),
		S_OR(ast_channel_dialed(c)->number.str, "(N/A)"),
		S_COR(ast_channel_redirecting(c)->from.number.valid, ast_channel_redirecting(c)->from.number.str, "(N/A)"),
		ast_channel_parkinglot(c),
		ast_channel_language(c),
		ast_state2str(ast_channel_state(c)),
		ast_channel_state(c),
		ast_channel_rings(c),
		ast_format_cap_get_names(ast_channel_nativeformats(c), &format_buf),
		ast_format_get_name(ast_channel_writeformat(c)),
		ast_format_get_name(ast_channel_readformat(c)),
		ast_format_get_name(ast_channel_rawwriteformat(c)),
		ast_format_get_name(ast_channel_rawreadformat(c)),
		ast_channel_writetrans(c) ? "Yes" : "No",
		ast_translate_path_to_str(ast_channel_writetrans(c), &write_transpath),
		ast_channel_readtrans(c) ? "Yes" : "No",
		ast_translate_path_to_str(ast_channel_readtrans(c), &read_transpath),
		ast_channel_fd(c, 0),
		ast_channel_fin(c) & ~DEBUGCHAN_FLAG, (ast_channel_fin(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
		ast_channel_fout(c) & ~DEBUGCHAN_FLAG, (ast_channel_fout(c) & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
		(long)ast_channel_whentohangup(c)->tv_sec,
		hour,
		min,
		sec,
		bridge ? bridge->uniqueid : "(Not bridged)",
		ast_channel_context(c),
		ast_channel_exten(c),
		ast_channel_priority(c),
		ast_print_group(cgrp, sizeof(cgrp), ast_channel_callgroup(c)),
		ast_print_group(pgrp, sizeof(pgrp), ast_channel_pickupgroup(c)),
		ast_channel_appl(c) ? ast_channel_appl(c) : "(N/A)",
		ast_channel_data(c) ? S_OR(ast_channel_data(c), "(Empty)") : "(None)",
		(ast_test_flag(ast_channel_flags(c), AST_FLAG_BLOCKING) ? ast_channel_blockproc(c) : "(Not Blocking)"));

	ao2_cleanup(bridge);
	return 0;
}
Ejemplo n.º 4
0
static void aoc_s_event(const struct ast_aoc_decoded *decoded, struct ast_channel *owner, struct ast_str **msg)
{
	const char *rate_str;
	char prefix[32];
	int idx;

	if (owner) {
		ast_str_append(msg, 0, "Channel: %s\r\n", ast_channel_name(owner));
		ast_str_append(msg, 0, "UniqueID: %s\r\n", ast_channel_uniqueid(owner));
	}

	ast_str_append(msg, 0, "NumberRates: %d\r\n", decoded->aoc_s_count);
	for (idx = 0; idx < decoded->aoc_s_count; ++idx) {
		snprintf(prefix, sizeof(prefix), "Rate(%d)", idx);

		ast_str_append(msg, 0, "%s/Chargeable: %s\r\n", prefix,
			aoc_charged_item_str(decoded->aoc_s_entries[idx].charged_item));
		if (decoded->aoc_s_entries[idx].charged_item == AST_AOC_CHARGED_ITEM_NA) {
			continue;
		}
		rate_str = aoc_rate_type_str(decoded->aoc_s_entries[idx].rate_type);
		ast_str_append(msg, 0, "%s/Type: %s\r\n", prefix, rate_str);
		switch (decoded->aoc_s_entries[idx].rate_type) {
		case AST_AOC_RATE_TYPE_DURATION:
			strcat(prefix, "/");
			strcat(prefix, rate_str);
			ast_str_append(msg, 0, "%s/Currency: %s\r\n", prefix,
				decoded->aoc_s_entries[idx].rate.duration.currency_name);
			aoc_amount_str(msg, prefix,
				decoded->aoc_s_entries[idx].rate.duration.amount,
				decoded->aoc_s_entries[idx].rate.duration.multiplier);
			ast_str_append(msg, 0, "%s/ChargingType: %s\r\n", prefix,
				decoded->aoc_s_entries[idx].rate.duration.charging_type ?
				"StepFunction" : "ContinuousCharging");
			aoc_time_str(msg, prefix, "Time",
				decoded->aoc_s_entries[idx].rate.duration.time,
				decoded->aoc_s_entries[idx].rate.duration.time_scale);
			if (decoded->aoc_s_entries[idx].rate.duration.granularity_time) {
				aoc_time_str(msg, prefix, "Granularity",
					decoded->aoc_s_entries[idx].rate.duration.granularity_time,
					decoded->aoc_s_entries[idx].rate.duration.granularity_time_scale);
			}
			break;
		case AST_AOC_RATE_TYPE_FLAT:
			strcat(prefix, "/");
			strcat(prefix, rate_str);
			ast_str_append(msg, 0, "%s/Currency: %s\r\n", prefix,
				decoded->aoc_s_entries[idx].rate.flat.currency_name);
			aoc_amount_str(msg, prefix,
				decoded->aoc_s_entries[idx].rate.flat.amount,
				decoded->aoc_s_entries[idx].rate.flat.multiplier);
			break;
		case AST_AOC_RATE_TYPE_VOLUME:
			strcat(prefix, "/");
			strcat(prefix, rate_str);
			ast_str_append(msg, 0, "%s/Currency: %s\r\n", prefix,
				decoded->aoc_s_entries[idx].rate.volume.currency_name);
			aoc_amount_str(msg, prefix,
				decoded->aoc_s_entries[idx].rate.volume.amount,
				decoded->aoc_s_entries[idx].rate.volume.multiplier);
			ast_str_append(msg, 0, "%s/Unit: %s\r\n", prefix,
				aoc_volume_unit_str(decoded->aoc_s_entries[idx].rate.volume.volume_unit));
			break;
		case AST_AOC_RATE_TYPE_SPECIAL_CODE:
			ast_str_append(msg, 0, "%s/%s: %d\r\n", prefix, rate_str,
				decoded->aoc_s_entries[idx].rate.special_code);
			break;
		default:
			break;
		}
	}
}
Ejemplo n.º 5
0
static void aoc_e_event(const struct ast_aoc_decoded *decoded, struct ast_channel *chan, struct ast_str **msg)
{
	const char *charge_str;
	int idx;
	char prefix[32];

	if (chan) {
		ast_str_append(msg, 0, "Channel: %s\r\n", ast_channel_name(chan));
		ast_str_append(msg, 0, "UniqueID: %s\r\n", ast_channel_uniqueid(chan));
	}

	charge_str = "ChargingAssociation";

	switch (decoded->charging_association.charging_type) {
	case AST_AOC_CHARGING_ASSOCIATION_NUMBER:
		snprintf(prefix, sizeof(prefix), "%s/Number", charge_str);
		ast_str_append(msg, 0, "%s: %s\r\n", prefix,
			decoded->charging_association.charge.number.number);
		ast_str_append(msg, 0, "%s/Plan: %d\r\n", prefix,
			decoded->charging_association.charge.number.plan);
		break;
	case AST_AOC_CHARGING_ASSOCIATION_ID:
		ast_str_append(msg, 0, "%s/ID: %d\r\n", charge_str, decoded->charging_association.charge.id);
		break;
	case AST_AOC_CHARGING_ASSOCIATION_NA:
	default:
		break;
	}

	charge_str = aoc_charge_type_str(decoded->charge_type);
	ast_str_append(msg, 0, "Type: %s\r\n", charge_str);
	switch (decoded->charge_type) {
	case AST_AOC_CHARGE_CURRENCY:
	case AST_AOC_CHARGE_UNIT:
		ast_str_append(msg, 0, "BillingID: %s\r\n",
			aoc_billingid_str(decoded->billing_id));
		break;
	default:
		break;
	}
	switch (decoded->charge_type) {
	case AST_AOC_CHARGE_CURRENCY:
		ast_str_append(msg, 0, "%s: %s\r\n", charge_str,
			decoded->currency_name);
		aoc_amount_str(msg, charge_str,
			decoded->currency_amount,
			decoded->multiplier);
		break;
	case AST_AOC_CHARGE_UNIT:
		ast_str_append(msg, 0, "%s/NumberItems: %d\r\n", charge_str,
			decoded->unit_count);
		for (idx = 0; idx < decoded->unit_count; ++idx) {
			snprintf(prefix, sizeof(prefix), "%s/Item(%d)", charge_str, idx);
			if (decoded->unit_list[idx].valid_amount) {
				ast_str_append(msg, 0, "%s/NumberOf: %u\r\n", prefix,
					decoded->unit_list[idx].amount);
			}
			if (decoded->unit_list[idx].valid_type) {
				ast_str_append(msg, 0, "%s/TypeOf: %d\r\n", prefix,
					decoded->unit_list[idx].type);
			}
		}
		break;
	default:
		break;
	}
}
/*! \brief Start monitoring a channel
 * \param chan ast_channel struct to record
 * \param format_spec file format to use for recording
 * \param fname_base filename base to record to
 * \param need_lock whether to lock the channel mutex
 * \param stream_action whether to record the input and/or output streams.  X_REC_IN | X_REC_OUT is most often used
 * Creates the file to record, if no format is specified it assumes WAV
 * It also sets channel variable __MONITORED=yes
 * \retval 0 on success
 * \retval -1 on failure
 */
int AST_OPTIONAL_API_NAME(ast_monitor_start)(struct ast_channel *chan, const char *format_spec,
					     const char *fname_base, int need_lock, int stream_action)
{
	int res = 0;

	LOCK_IF_NEEDED(chan, need_lock);

	if (!(ast_channel_monitor(chan))) {
		struct ast_channel_monitor *monitor;
		char *channel_name, *p;

		/* Create monitoring directory if needed */
		ast_mkdir(ast_config_AST_MONITOR_DIR, 0777);

		if (!(monitor = ast_calloc(1, sizeof(*monitor)))) {
			UNLOCK_IF_NEEDED(chan, need_lock);
			return -1;
		}

		/* Determine file names */
		if (!ast_strlen_zero(fname_base)) {
			int directory = strchr(fname_base, '/') ? 1 : 0;
			const char *absolute = *fname_base == '/' ? "" : ast_config_AST_MONITOR_DIR;
			const char *absolute_suffix = *fname_base == '/' ? "" : "/";

			snprintf(monitor->read_filename, FILENAME_MAX, "%s%s%s-in",
						absolute, absolute_suffix, fname_base);
			snprintf(monitor->write_filename, FILENAME_MAX, "%s%s%s-out",
						absolute, absolute_suffix, fname_base);
			snprintf(monitor->filename_base, FILENAME_MAX, "%s%s%s",
					 	absolute, absolute_suffix, fname_base);

			/* try creating the directory just in case it doesn't exist */
			if (directory) {
				char *name = ast_strdupa(monitor->filename_base);
				ast_mkdir(dirname(name), 0777);
			}
		} else {
			ast_mutex_lock(&monitorlock);
			snprintf(monitor->read_filename, FILENAME_MAX, "%s/audio-in-%lu",
						ast_config_AST_MONITOR_DIR, seq);
			snprintf(monitor->write_filename, FILENAME_MAX, "%s/audio-out-%lu",
						ast_config_AST_MONITOR_DIR, seq);
			seq++;
			ast_mutex_unlock(&monitorlock);

			/* Replace all '/' chars from the channel name with '-' chars. */
			channel_name = ast_strdupa(ast_channel_name(chan));
			for (p = channel_name; (p = strchr(p, '/')); ) {
				*p = '-';
			}

			snprintf(monitor->filename_base, FILENAME_MAX, "%s/%d-%s",
					 ast_config_AST_MONITOR_DIR, (int)time(NULL), channel_name);
			monitor->filename_changed = 1;
		}

		monitor->stop = ast_monitor_stop;

		/* Determine file format */
		if (!ast_strlen_zero(format_spec)) {
			monitor->format = ast_strdup(format_spec);
		} else {
			monitor->format = ast_strdup("wav");
		}
		
		/* open files */
		if (stream_action & X_REC_IN) {
			if (ast_fileexists(monitor->read_filename, NULL, NULL) > 0)
				ast_filedelete(monitor->read_filename, NULL);
			if (!(monitor->read_stream = ast_writefile(monitor->read_filename,
							monitor->format, NULL,
							O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) {
				ast_log(LOG_WARNING, "Could not create file %s\n",
							monitor->read_filename);
				ast_free(monitor);
				UNLOCK_IF_NEEDED(chan, need_lock);
				return -1;
			}
		} else
			monitor->read_stream = NULL;

		if (stream_action & X_REC_OUT) {
			if (ast_fileexists(monitor->write_filename, NULL, NULL) > 0) {
				ast_filedelete(monitor->write_filename, NULL);
			}
			if (!(monitor->write_stream = ast_writefile(monitor->write_filename,
							monitor->format, NULL,
							O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) {
				ast_log(LOG_WARNING, "Could not create file %s\n",
							monitor->write_filename);
				if (monitor->read_stream) {
					ast_closestream(monitor->read_stream);
				}
				ast_free(monitor);
				UNLOCK_IF_NEEDED(chan, need_lock);
				return -1;
			}
		} else
			monitor->write_stream = NULL;

		ast_channel_monitor_set(chan, monitor);
		ast_monitor_set_state(chan, AST_MONITOR_RUNNING);
		/* so we know this call has been monitored in case we need to bill for it or something */
		pbx_builtin_setvar_helper(chan, "__MONITORED","true");

		ast_manager_event(chan, EVENT_FLAG_CALL, "MonitorStart",
			                "Channel: %s\r\n"
					        "Uniqueid: %s\r\n",
	                        ast_channel_name(chan),
			                ast_channel_uniqueid(chan));
	} else {
		ast_debug(1,"Cannot start monitoring %s, already monitored\n", ast_channel_name(chan));
		res = -1;
	}

	UNLOCK_IF_NEEDED(chan, need_lock);

	return res;
}
Ejemplo n.º 7
0
int ast_do_pickup(struct ast_channel *chan, struct ast_channel *target)
{
	struct ast_party_connected_line connected_caller;
	struct ast_datastore *ds_pickup;
	const char *chan_name;/*!< A masquerade changes channel names. */
	const char *target_name;/*!< A masquerade changes channel names. */
	int res = -1;

	RAII_VAR(struct ast_channel_snapshot *, chan_snapshot, NULL, ao2_cleanup);
	RAII_VAR(struct ast_channel_snapshot *, target_snapshot, NULL, ao2_cleanup);

	target_name = ast_strdupa(ast_channel_name(target));
	ast_debug(1, "Call pickup on '%s' by '%s'\n", target_name, ast_channel_name(chan));

	/* Mark the target to block any call pickup race. */
	ds_pickup = ast_datastore_alloc(&pickup_active, NULL);
	if (!ds_pickup) {
		ast_log(LOG_WARNING,
			"Unable to create channel datastore on '%s' for call pickup\n", target_name);
		return -1;
	}
	ast_channel_datastore_add(target, ds_pickup);

	ast_party_connected_line_init(&connected_caller);
	ast_party_connected_line_copy(&connected_caller, ast_channel_connected(target));
	ast_channel_unlock(target);/* The pickup race is avoided so we do not need the lock anymore. */
	/* Reset any earlier private connected id representation */
	ast_party_id_reset(&connected_caller.priv);

	connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
	if (ast_channel_connected_line_sub(NULL, chan, &connected_caller, 0) &&
		ast_channel_connected_line_macro(NULL, chan, &connected_caller, 0, 0)) {
		ast_channel_update_connected_line(chan, &connected_caller, NULL);
	}
	ast_party_connected_line_free(&connected_caller);

	ast_channel_lock(chan);
	chan_name = ast_strdupa(ast_channel_name(chan));
	ast_connected_line_copy_from_caller(&connected_caller, ast_channel_caller(chan));
	ast_channel_unlock(chan);
	connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;

	if (ast_answer(chan)) {
		ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan_name);
		goto pickup_failed;
	}

	if (ast_queue_control(chan, AST_CONTROL_ANSWER)) {
		ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan_name);
		goto pickup_failed;
	}

	ast_channel_queue_connected_line_update(chan, &connected_caller, NULL);

	/* setting the HANGUPCAUSE so the ringing channel knows this call was not a missed call */
	ast_channel_hangupcause_set(chan, AST_CAUSE_ANSWERED_ELSEWHERE);

	ast_channel_lock(chan);
	chan_snapshot = ast_channel_snapshot_create(chan);
	ast_channel_unlock(chan);
	if (!chan_snapshot) {
		goto pickup_failed;
	}

	target_snapshot = ast_channel_snapshot_get_latest(ast_channel_uniqueid(target));
	if (!target_snapshot) {
		goto pickup_failed;
	}

	if (ast_channel_move(target, chan)) {
		ast_log(LOG_WARNING, "Unable to complete call pickup of '%s' with '%s'\n",
			chan_name, target_name);
		goto pickup_failed;
	}

	/* target points to the channel that did the pickup at this point, so use that channel's topic instead of chan */
	send_call_pickup_stasis_message(target, chan_snapshot, target_snapshot);

	res = 0;

pickup_failed:
	ast_channel_lock(target);
	if (!ast_channel_datastore_remove(target, ds_pickup)) {
		ast_datastore_free(ds_pickup);
	}
	ast_party_connected_line_free(&connected_caller);

	return res;
}
Ejemplo n.º 8
0
/*!
 * \internal
 * \brief Determine if an extension is a parking extension
 */
static int parking_is_exten_park(const char *context, const char *exten)
{
	struct ast_exten *exten_obj;
	struct pbx_find_info info = { .stacklen = 0 }; /* the rest is reset in pbx_find_extension */
	const char *app_at_exten;

	ast_debug(4, "Checking if %s@%s is a parking exten\n", exten, context);
	exten_obj = pbx_find_extension(NULL, NULL, &info, context, exten, 1, NULL, NULL, E_MATCH);
	if (!exten_obj) {
		return 0;
	}

	app_at_exten = ast_get_extension_app(exten_obj);
	if (!app_at_exten || strcasecmp(PARK_APPLICATION, app_at_exten)) {
		return 0;
	}

	return 1;
}

/*!
 * \internal
 * \since 12.0.0
 * \brief Perform a blind transfer to a parking lot
 *
 * In general, most parking features should work to call this function. This will safely
 * park either a channel in the bridge with \ref bridge_channel or will park the entire
 * bridge if more than one channel is in the bridge. It will create the correct data to
 * pass to the \ref AstBridging Bridging API to safely park the channel.
 *
 * \param bridge_channel The bridge_channel representing the channel performing the park
 * \param context The context to blind transfer to
 * \param exten The extension to blind transfer to
 * \param parked_channel_cb Optional callback executed prior to sending the parked channel into the bridge
 * \param parked_channel_data Data for the parked_channel_cb
 *
 * \retval 0 on success
 * \retval non-zero on error
 */
static int parking_blind_transfer_park(struct ast_bridge_channel *bridge_channel,
		const char *context, const char *exten, transfer_channel_cb parked_channel_cb,
		struct transfer_channel_data *parked_channel_data)
{
	RAII_VAR(struct ast_bridge_channel *, other, NULL, ao2_cleanup);
	RAII_VAR(struct ast_channel *, other_chan, NULL, ast_channel_cleanup);

	struct ast_exten *e;
	struct pbx_find_info find_info = { .stacklen = 0 };
	int peer_count;

	if (ast_strlen_zero(context) || ast_strlen_zero(exten)) {
		return -1;
	}

	if (!bridge_channel->in_bridge) {
		return -1;
	}

	if (!parking_is_exten_park(context, exten)) {
		return -1;
	}

	ast_bridge_channel_lock_bridge(bridge_channel);
	peer_count = bridge_channel->bridge->num_channels;
	if (peer_count == 2) {
		other = ast_bridge_channel_peer(bridge_channel);
		ao2_ref(other, +1);
		other_chan = other->chan;
		ast_channel_ref(other_chan);
	}
	ast_bridge_unlock(bridge_channel->bridge);

	if (peer_count < 2) {
		/* There is nothing to do if there is no one to park. */
		return -1;
	}

	/* With a multiparty bridge, we need to do a regular blind transfer. We link the
	 * existing bridge to the parking lot with a Local channel rather than
	 * transferring others. */
	if (peer_count > 2) {
		struct ast_channel *transfer_chan = NULL;

		transfer_chan = park_local_transfer(bridge_channel->chan, context, exten, parked_channel_data);
		if (!transfer_chan) {
			return -1;
		}
		ast_channel_ref(transfer_chan);

		if (parked_channel_cb) {
			parked_channel_cb(transfer_chan, parked_channel_data, AST_BRIDGE_TRANSFER_MULTI_PARTY);
		}

		if (ast_bridge_impart(bridge_channel->bridge, transfer_chan, NULL, NULL,
			AST_BRIDGE_IMPART_CHAN_INDEPENDENT)) {
			ast_hangup(transfer_chan);
			ast_channel_unref(transfer_chan);
			return -1;
		}

		ast_channel_unref(transfer_chan);

		return 0;
	}

	/* Subscribe to park messages with the other channel entering */
	if (create_parked_subscription_full(bridge_channel->chan, ast_channel_uniqueid(other->chan), 1, parked_channel_data)) {
		return -1;
	}

	if (parked_channel_cb) {
		parked_channel_cb(other_chan, parked_channel_data, AST_BRIDGE_TRANSFER_SINGLE_PARTY);
	}

	e = pbx_find_extension(NULL, NULL, &find_info, context, exten, 1, NULL, NULL, E_MATCH);

	/* Write the park frame with the intended recipient and other data out to the bridge. */
	ast_bridge_channel_write_park(bridge_channel,
		ast_channel_uniqueid(other_chan),
		ast_channel_uniqueid(bridge_channel->chan),
		e ? ast_get_extension_app_data(e) : NULL);

	return 0;
}

/*!
 * \internal
 * \since 12.0.0
 * \brief Perform a direct park on a channel in a bridge
 *
 * \note This will be called from within the \ref AstBridging Bridging API
 *
 * \param bridge_channel The bridge_channel representing the channel to be parked
 * \param uuid_parkee The UUID of the channel being parked
 * \param uuid_parker The UUID of the channel performing the park
 * \param app_data Application parseable data to pass to the parking application
 */
static int parking_park_bridge_channel(struct ast_bridge_channel *bridge_channel, const char *uuid_parkee, const char *uuid_parker, const char *app_data)
{
	RAII_VAR(struct ast_bridge *, parking_bridge, NULL, ao2_cleanup);
	RAII_VAR(struct ast_bridge *, original_bridge, NULL, ao2_cleanup);
	RAII_VAR(struct ast_channel *, parker, NULL, ao2_cleanup);

	if (strcmp(ast_channel_uniqueid(bridge_channel->chan), uuid_parkee)) {
		/* We aren't the parkee, so ignore this action. */
		return -1;
	}

	parker = ast_channel_get_by_name(uuid_parker);

	if (!parker) {
		ast_log(LOG_NOTICE, "Channel with uuid %s left before we could start parking the call. Parking canceled.\n", uuid_parker);
		publish_parked_call_failure(bridge_channel->chan);
		return -1;
	}

	if (!(parking_bridge = park_application_setup(bridge_channel->chan, parker, app_data, NULL))) {
		publish_parked_call_failure(bridge_channel->chan);
		return -1;
	}

	ast_bridge_set_transfer_variables(bridge_channel->chan, ast_channel_name(parker), 0);

	/* bridge_channel must be locked so we can get a reference to the bridge it is currently on */
	ao2_lock(bridge_channel);

	original_bridge = bridge_channel->bridge;
	if (!original_bridge) {
		ao2_unlock(bridge_channel);
		publish_parked_call_failure(bridge_channel->chan);
		return -1;
	}

	ao2_ref(original_bridge, +1); /* Cleaned by RAII_VAR */

	ao2_unlock(bridge_channel);

	if (ast_bridge_move(parking_bridge, original_bridge, bridge_channel->chan, NULL, 1)) {
		ast_log(LOG_ERROR, "Failed to move %s into the parking bridge.\n",
			ast_channel_name(bridge_channel->chan));
		return -1;
	}

	return 0;
}
Ejemplo n.º 9
0
int ast_cel_report_event(struct ast_channel *chan, enum ast_cel_event_type event_type,
                         const char *userdefevname, const char *extra, struct ast_channel *peer2)
{
    struct timeval eventtime;
    struct ast_event *ev;
    const char *peername = "";
    struct ast_channel *peer;

    ast_channel_lock(chan);
    peer = ast_bridged_channel(chan);
    if (peer) {
        ast_channel_ref(peer);
    }
    ast_channel_unlock(chan);

    /* Make sure a reload is not occurring while we're checking to see if this
     * is an event that we care about.  We could lose an important event in this
     * process otherwise. */
    ast_mutex_lock(&reload_lock);

    if (!cel_enabled || !ast_cel_track_event(event_type)) {
        ast_mutex_unlock(&reload_lock);
        if (peer) {
            ast_channel_unref(peer);
        }
        return 0;
    }

    if (event_type == AST_CEL_APP_START || event_type == AST_CEL_APP_END) {
        char *app;
        if (!(app = ao2_find(appset, (char *) ast_channel_appl(chan), OBJ_POINTER))) {
            ast_mutex_unlock(&reload_lock);
            if (peer) {
                ast_channel_unref(peer);
            }
            return 0;
        }
        ao2_ref(app, -1);
    }

    ast_mutex_unlock(&reload_lock);

    if (peer) {
        ast_channel_lock(peer);
        peername = ast_strdupa(ast_channel_name(peer));
        ast_channel_unlock(peer);
    } else if (peer2) {
        ast_channel_lock(peer2);
        peername = ast_strdupa(ast_channel_name(peer2));
        ast_channel_unlock(peer2);
    }

    if (!userdefevname) {
        userdefevname = "";
    }

    if (!extra) {
        extra = "";
    }

    eventtime = ast_tvnow();

    ast_channel_lock(chan);

    ev = ast_event_new(AST_EVENT_CEL,
                       AST_EVENT_IE_CEL_EVENT_TYPE, AST_EVENT_IE_PLTYPE_UINT, event_type,
                       AST_EVENT_IE_CEL_EVENT_TIME, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_sec,
                       AST_EVENT_IE_CEL_EVENT_TIME_USEC, AST_EVENT_IE_PLTYPE_UINT, eventtime.tv_usec,
                       AST_EVENT_IE_CEL_USEREVENT_NAME, AST_EVENT_IE_PLTYPE_STR, userdefevname,
                       AST_EVENT_IE_CEL_CIDNAME, AST_EVENT_IE_PLTYPE_STR,
                       S_COR(ast_channel_caller(chan)->id.name.valid, ast_channel_caller(chan)->id.name.str, ""),
                       AST_EVENT_IE_CEL_CIDNUM, AST_EVENT_IE_PLTYPE_STR,
                       S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, ""),
                       AST_EVENT_IE_CEL_CIDANI, AST_EVENT_IE_PLTYPE_STR,
                       S_COR(ast_channel_caller(chan)->ani.number.valid, ast_channel_caller(chan)->ani.number.str, ""),
                       AST_EVENT_IE_CEL_CIDRDNIS, AST_EVENT_IE_PLTYPE_STR,
                       S_COR(ast_channel_redirecting(chan)->from.number.valid, ast_channel_redirecting(chan)->from.number.str, ""),
                       AST_EVENT_IE_CEL_CIDDNID, AST_EVENT_IE_PLTYPE_STR,
                       S_OR(ast_channel_dialed(chan)->number.str, ""),
                       AST_EVENT_IE_CEL_EXTEN, AST_EVENT_IE_PLTYPE_STR, ast_channel_exten(chan),
                       AST_EVENT_IE_CEL_CONTEXT, AST_EVENT_IE_PLTYPE_STR, ast_channel_context(chan),
                       AST_EVENT_IE_CEL_CHANNAME, AST_EVENT_IE_PLTYPE_STR, ast_channel_name(chan),
                       AST_EVENT_IE_CEL_APPNAME, AST_EVENT_IE_PLTYPE_STR, S_OR(ast_channel_appl(chan), ""),
                       AST_EVENT_IE_CEL_APPDATA, AST_EVENT_IE_PLTYPE_STR, S_OR(ast_channel_data(chan), ""),
                       AST_EVENT_IE_CEL_AMAFLAGS, AST_EVENT_IE_PLTYPE_UINT, ast_channel_amaflags(chan),
                       AST_EVENT_IE_CEL_ACCTCODE, AST_EVENT_IE_PLTYPE_STR, ast_channel_accountcode(chan),
                       AST_EVENT_IE_CEL_PEERACCT, AST_EVENT_IE_PLTYPE_STR, ast_channel_peeraccount(chan),
                       AST_EVENT_IE_CEL_UNIQUEID, AST_EVENT_IE_PLTYPE_STR, ast_channel_uniqueid(chan),
                       AST_EVENT_IE_CEL_LINKEDID, AST_EVENT_IE_PLTYPE_STR, ast_channel_linkedid(chan),
                       AST_EVENT_IE_CEL_USERFIELD, AST_EVENT_IE_PLTYPE_STR, ast_channel_userfield(chan),
                       AST_EVENT_IE_CEL_EXTRA, AST_EVENT_IE_PLTYPE_STR, extra,
                       AST_EVENT_IE_CEL_PEER, AST_EVENT_IE_PLTYPE_STR, peername,
                       AST_EVENT_IE_END);

    ast_channel_unlock(chan);

    if (peer) {
        peer = ast_channel_unref(peer);
    }

    if (ev && ast_event_queue(ev)) {
        ast_event_destroy(ev);
        return -1;
    }

    return 0;
}
Ejemplo n.º 10
0
const char *stasis_app_control_get_channel_id(
    const struct stasis_app_control *control)
{
    return ast_channel_uniqueid(control->channel);
}
Ejemplo n.º 11
0
struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *chan)
{
	struct ast_channel_snapshot *snapshot;
	struct ast_bridge *bridge;
	char nativeformats[256];
	struct ast_str *write_transpath = ast_str_alloca(256);
	struct ast_str *read_transpath = ast_str_alloca(256);
	struct ast_party_id effective_connected_id;
	struct ast_callid *callid;

	/* no snapshots for dummy channels */
	if (!ast_channel_tech(chan)) {
		return NULL;
	}

	snapshot = ao2_alloc(sizeof(*snapshot), channel_snapshot_dtor);
	if (!snapshot || ast_string_field_init(snapshot, 1024)) {
		ao2_cleanup(snapshot);
		return NULL;
	}

	ast_string_field_set(snapshot, name, ast_channel_name(chan));
	ast_string_field_set(snapshot, type, ast_channel_tech(chan)->type);
	ast_string_field_set(snapshot, accountcode, ast_channel_accountcode(chan));
	ast_string_field_set(snapshot, peeraccount, ast_channel_peeraccount(chan));
	ast_string_field_set(snapshot, userfield, ast_channel_userfield(chan));
	ast_string_field_set(snapshot, uniqueid, ast_channel_uniqueid(chan));
	ast_string_field_set(snapshot, linkedid, ast_channel_linkedid(chan));
	ast_string_field_set(snapshot, hangupsource, ast_channel_hangupsource(chan));
	if (ast_channel_appl(chan)) {
		ast_string_field_set(snapshot, appl, ast_channel_appl(chan));
	}
	if (ast_channel_data(chan)) {
		ast_string_field_set(snapshot, data, ast_channel_data(chan));
	}
	ast_string_field_set(snapshot, context, ast_channel_context(chan));
	ast_string_field_set(snapshot, exten, ast_channel_exten(chan));

	ast_string_field_set(snapshot, caller_name,
		S_COR(ast_channel_caller(chan)->id.name.valid, ast_channel_caller(chan)->id.name.str, ""));
	ast_string_field_set(snapshot, caller_number,
		S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, ""));
	ast_string_field_set(snapshot, caller_dnid, S_OR(ast_channel_dialed(chan)->number.str, ""));
	ast_string_field_set(snapshot, caller_subaddr,
		S_COR(ast_channel_caller(chan)->id.subaddress.valid, ast_channel_caller(chan)->id.subaddress.str, ""));
	ast_string_field_set(snapshot, dialed_subaddr,
		S_COR(ast_channel_dialed(chan)->subaddress.valid, ast_channel_dialed(chan)->subaddress.str, ""));
	ast_string_field_set(snapshot, caller_ani,
		S_COR(ast_channel_caller(chan)->ani.number.valid, ast_channel_caller(chan)->ani.number.str, ""));
	ast_string_field_set(snapshot, caller_rdnis,
		S_COR(ast_channel_redirecting(chan)->from.number.valid, ast_channel_redirecting(chan)->from.number.str, ""));
	ast_string_field_set(snapshot, caller_dnid,
		S_OR(ast_channel_dialed(chan)->number.str, ""));

	ast_string_field_set(snapshot, connected_name,
		S_COR(ast_channel_connected(chan)->id.name.valid, ast_channel_connected(chan)->id.name.str, ""));
	ast_string_field_set(snapshot, connected_number,
		S_COR(ast_channel_connected(chan)->id.number.valid, ast_channel_connected(chan)->id.number.str, ""));
	ast_string_field_set(snapshot, language, ast_channel_language(chan));

	if ((bridge = ast_channel_get_bridge(chan))) {
		ast_string_field_set(snapshot, bridgeid, bridge->uniqueid);
		ao2_cleanup(bridge);
	}

	ast_string_field_set(snapshot, nativeformats, ast_getformatname_multiple(nativeformats, sizeof(nativeformats),
		ast_channel_nativeformats(chan)));
	ast_string_field_set(snapshot, readformat, ast_getformatname(ast_channel_readformat(chan)));
	ast_string_field_set(snapshot, writeformat, ast_getformatname(ast_channel_writeformat(chan)));
	ast_string_field_set(snapshot, writetrans, ast_translate_path_to_str(ast_channel_writetrans(chan), &write_transpath));
	ast_string_field_set(snapshot, readtrans, ast_translate_path_to_str(ast_channel_readtrans(chan), &read_transpath));

	effective_connected_id = ast_channel_connected_effective_id(chan);
	ast_string_field_set(snapshot, effective_name,
		S_COR(effective_connected_id.name.valid, effective_connected_id.name.str, ""));
	ast_string_field_set(snapshot, effective_number,
		S_COR(effective_connected_id.number.valid, effective_connected_id.number.str, ""));

	if ((callid = ast_channel_callid(chan))) {
		ast_callid_strnprint(snapshot->callid, sizeof(snapshot->callid), callid);
		ast_callid_unref(callid);
	}

	snapshot->creationtime = ast_channel_creationtime(chan);
	snapshot->hanguptime = *(ast_channel_whentohangup(chan));
	snapshot->state = ast_channel_state(chan);
	snapshot->priority = ast_channel_priority(chan);
	snapshot->amaflags = ast_channel_amaflags(chan);
	snapshot->hangupcause = ast_channel_hangupcause(chan);
	ast_copy_flags(&snapshot->flags, ast_channel_flags(chan), 0xFFFFFFFF);
	snapshot->caller_pres = ast_party_id_presentation(&ast_channel_caller(chan)->id);
	snapshot->callgroup = ast_channel_callgroup(chan);
	snapshot->pickupgroup = ast_channel_pickupgroup(chan);
	ast_set_flag(&snapshot->softhangup_flags, ast_channel_softhangup_internal_flag(chan));

	snapshot->manager_vars = ast_channel_get_manager_vars(chan);
	snapshot->channel_vars = ast_channel_get_vars(chan);
	snapshot->tech_properties = ast_channel_tech(chan)->properties;

	return snapshot;
}
Ejemplo n.º 12
0
static int func_channel_read(struct ast_channel *chan, const char *function,
                             char *data, char *buf, size_t len)
{
    int ret = 0;
    char tmp[512];
    struct ast_format_cap *tmpcap;

    if (!strcasecmp(data, "audionativeformat")) {
        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")) {
        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, "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")) {
        struct ast_channel *p;
        ast_channel_lock(chan);
        p = ast_bridged_channel(chan);
        if (p || ast_channel_tech(chan) || ast_channel_cdr(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, "amaflags")) {
        char amabuf[256];
        snprintf(amabuf,sizeof(amabuf), "%d", ast_channel_amaflags(chan));
        locked_copy_string(chan, buf, amabuf, len);
    } 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;
}
Ejemplo n.º 13
0
static int t38_tx_packet_handler(t38_core_state_t *s, void *user_data, const uint8_t *buf, int len, int count)
{
	struct ast_channel *chan = (struct ast_channel *) user_data;

	struct ast_frame outf = {
		.frametype = AST_FRAME_MODEM,
		.subclass.integer = AST_MODEM_T38,
		.src = __FUNCTION__,
	};

	/* TODO: Asterisk does not provide means of resending the same packet multiple
	  times so count is ignored at the moment */

	AST_FRAME_SET_BUFFER(&outf, buf, 0, len);

	if (ast_write(chan, &outf) < 0) {
		ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno));
		return -1;
	}

	return 0;
}

static void phase_e_handler(t30_state_t *f, void *user_data, int result)
{
	RAII_VAR(struct ast_json *, json_object, NULL, ast_json_unref);
	RAII_VAR(struct ast_json *, json_filenames, NULL, ast_json_unref);
	RAII_VAR(struct stasis_message *, message, NULL, ao2_cleanup);
	const char *local_ident;
	const char *far_ident;
	char buf[20];
	fax_session *s = (fax_session *) user_data;
	t30_stats_t stat;
	int pages_transferred;

	ast_debug(1, "Fax phase E handler. result=%d\n", result);

	t30_get_transfer_statistics(f, &stat);

	s = (fax_session *) user_data;

	if (result != T30_ERR_OK) {
		s->finished = -1;

		/* FAXSTATUS is already set to FAILED */
		pbx_builtin_setvar_helper(s->chan, "FAXERROR", t30_completion_code_to_str(result));

		ast_log(LOG_WARNING, "Error transmitting fax. result=%d: %s.\n", result, t30_completion_code_to_str(result));

		return;
	}

	s->finished = 1;

	local_ident = S_OR(t30_get_tx_ident(f), "");
	far_ident = S_OR(t30_get_rx_ident(f), "");
	pbx_builtin_setvar_helper(s->chan, "FAXSTATUS", "SUCCESS");
	pbx_builtin_setvar_helper(s->chan, "FAXERROR", NULL);
	pbx_builtin_setvar_helper(s->chan, "REMOTESTATIONID", far_ident);
#if SPANDSP_RELEASE_DATE >= 20090220
	pages_transferred = (s->direction) ? stat.pages_tx : stat.pages_rx;
#else
	pages_transferred = stat.pages_transferred;
#endif
	snprintf(buf, sizeof(buf), "%d", pages_transferred);
	pbx_builtin_setvar_helper(s->chan, "FAXPAGES", buf);
	snprintf(buf, sizeof(buf), "%d", stat.y_resolution);
	pbx_builtin_setvar_helper(s->chan, "FAXRESOLUTION", buf);
	snprintf(buf, sizeof(buf), "%d", stat.bit_rate);
	pbx_builtin_setvar_helper(s->chan, "FAXBITRATE", buf);

	ast_debug(1, "Fax transmitted successfully.\n");
	ast_debug(1, "  Remote station ID: %s\n", far_ident);
	ast_debug(1, "  Pages transferred: %d\n", pages_transferred);
	ast_debug(1, "  Image resolution:  %d x %d\n", stat.x_resolution, stat.y_resolution);
	ast_debug(1, "  Transfer Rate:     %d\n", stat.bit_rate);

	json_filenames = ast_json_pack("[s]", s->file_name);
	if (!json_filenames) {
		return;
	}
	ast_json_ref(json_filenames);
	json_object = ast_json_pack("{s: s, s: s, s: s, s: i, s: i, s: i, s: o}",
			"type", s->direction ? "send" : "receive",
			"remote_station_id", far_ident,
			"local_station_id", local_ident,
			"fax_pages", pages_transferred,
			"fax_resolution", stat.y_resolution,
			"fax_bitrate", stat.bit_rate,
			"filenames", json_filenames);
	message = ast_channel_blob_create_from_cache(ast_channel_uniqueid(s->chan), ast_channel_fax_type(), json_object);
	if (!message) {
		return;
	}
	stasis_publish(ast_channel_topic(s->chan), message);
}
Ejemplo n.º 14
0
struct ast_channel *stasis_app_control_snoop(struct ast_channel *chan,
	enum stasis_app_snoop_direction spy, enum stasis_app_snoop_direction whisper,
	const char *app, const char *app_args, const char *snoop_id)
{
	RAII_VAR(struct stasis_app_snoop *, snoop, NULL, ao2_cleanup);
	struct ast_format_cap *caps;
	pthread_t thread;
	struct ast_assigned_ids assignedids = {
		.uniqueid = snoop_id,
	};

	if (spy == STASIS_SNOOP_DIRECTION_NONE &&
		whisper == STASIS_SNOOP_DIRECTION_NONE) {
		return NULL;
	}

	snoop = ao2_alloc_options(sizeof(*snoop), snoop_destroy, AO2_ALLOC_OPT_LOCK_NOLOCK);
	if (!snoop) {
		return NULL;
	}

	/* Allocate a buffer to store the Stasis application and arguments in */
	snoop->app = ast_str_create(64);
	if (!snoop->app) {
		return NULL;
	}

	ast_str_set(&snoop->app, 0, "%s", app);
	if (!ast_strlen_zero(app_args)) {
		ast_str_append(&snoop->app, 0, ",%s", app_args);
	}

	/* Set up a timer for the Snoop channel so it wakes up at a specific interval */
	snoop->timer = ast_timer_open();
	if (!snoop->timer) {
		return NULL;
	}
	ast_timer_set_rate(snoop->timer, 1000 / SNOOP_INTERVAL);

	/* Determine which signed linear format should be used */
	snoop_determine_format(chan, snoop);

	/* Allocate a Snoop channel and set up various parameters */
	snoop->chan = ast_channel_alloc(1, AST_STATE_UP, "", "", "", "", "", &assignedids, NULL, 0, "Snoop/%s-%08x", ast_channel_uniqueid(chan),
		(unsigned)ast_atomic_fetchadd_int((int *)&chan_idx, +1));
	if (!snoop->chan) {
		return NULL;
	}

	ast_copy_string(snoop->uniqueid, ast_channel_uniqueid(chan), sizeof(snoop->uniqueid));

	/* To keep the channel valid on the Snoop structure until it is destroyed we bump the ref up here */
	ast_channel_ref(snoop->chan);

	ast_channel_tech_set(snoop->chan, &snoop_tech);
	ao2_ref(snoop, +1);
	ast_channel_tech_pvt_set(snoop->chan, snoop);
	ast_channel_set_fd(snoop->chan, 0, ast_timer_fd(snoop->timer));

	/* The format on the Snoop channel will be this signed linear format, and it will never change */
	caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
	if (!caps) {
		ast_channel_unlock(snoop->chan);
		ast_hangup(snoop->chan);
		return NULL;
	}
	ast_format_cap_append(caps, snoop->spy_format, 0);
	ast_channel_nativeformats_set(snoop->chan, caps);
	ao2_ref(caps, -1);

	ast_channel_set_writeformat(snoop->chan, snoop->spy_format);
	ast_channel_set_rawwriteformat(snoop->chan, snoop->spy_format);
	ast_channel_set_readformat(snoop->chan, snoop->spy_format);
	ast_channel_set_rawreadformat(snoop->chan, snoop->spy_format);

	ast_channel_unlock(snoop->chan);

	if (spy != STASIS_SNOOP_DIRECTION_NONE) {
		if (snoop_setup_audiohook(chan, AST_AUDIOHOOK_TYPE_SPY, spy, &snoop->spy_direction, &snoop->spy)) {
			ast_hangup(snoop->chan);
			return NULL;
		}

		snoop->spy_samples = ast_format_get_sample_rate(snoop->spy_format) / (1000 / SNOOP_INTERVAL);
		snoop->spy_active = 1;
	}

	/* If whispering is enabled set up the audiohook */
	if (whisper != STASIS_SNOOP_DIRECTION_NONE) {
		if (snoop_setup_audiohook(chan, AST_AUDIOHOOK_TYPE_WHISPER, whisper, &snoop->whisper_direction, &snoop->whisper)) {
			ast_hangup(snoop->chan);
			return NULL;
		}

		snoop->whisper_active = 1;
	}

	/* Create the thread which services the Snoop channel */
	ao2_ref(snoop, +1);
	if (ast_pthread_create_detached_background(&thread, NULL, snoop_stasis_thread, snoop)) {
		ao2_cleanup(snoop);

		/* No other thread is servicing this channel so we can immediately hang it up */
		ast_hangup(snoop->chan);
		return NULL;
	}

	publish_chanspy_message(snoop, 1);

	/* The caller of this has a reference as well */
	return ast_channel_ref(snoop->chan);
}
static int record_file(struct stasis_app_control *control,
	struct ast_channel *chan, void *data)
{
	struct stasis_app_recording *recording = data;
	char *acceptdtmf;
	int res;

	ast_assert(recording != NULL);

	if (stasis_app_get_bridge(control)) {
		ast_log(LOG_ERROR, "Cannot record channel while in bridge\n");
		recording_fail(control, recording, "Cannot record channel while in bridge");
		return -1;
	}

	switch (recording->options->terminate_on) {
	case STASIS_APP_RECORDING_TERMINATE_NONE:
	case STASIS_APP_RECORDING_TERMINATE_INVALID:
		acceptdtmf = "";
		break;
	case STASIS_APP_RECORDING_TERMINATE_ANY:
		acceptdtmf = "#*0123456789abcd";
		break;
	default:
		acceptdtmf = ast_alloca(2);
		acceptdtmf[0] = recording->options->terminate_on;
		acceptdtmf[1] = '\0';
	}

	res = ast_auto_answer(chan);
	if (res != 0) {
		ast_debug(3, "%s: Failed to answer\n",
			ast_channel_uniqueid(chan));
		recording_fail(control, recording, "Failed to answer channel");
		return -1;
	}

	recording_set_state(
		recording, STASIS_APP_RECORDING_STATE_RECORDING, NULL);
	ast_play_and_record_full(chan,
		NULL, /* playfile */
		recording->absolute_name,
		recording->options->max_duration_seconds,
		recording->options->format,
		&recording->duration.total,
		recording->options->max_silence_seconds ? &recording->duration.energy_only : NULL,
		recording->options->beep,
		-1, /* silencethreshold */
		recording->options->max_silence_seconds * 1000,
		NULL, /* path */
		acceptdtmf,
		NULL, /* canceldtmf */
		1, /* skip_confirmation_sound */
		recording->options->if_exists);

	ast_debug(3, "%s: Recording complete\n", ast_channel_uniqueid(chan));

	recording_set_state(
		recording, STASIS_APP_RECORDING_STATE_COMPLETE, NULL);

	stasis_app_control_unregister_add_rule(control, &rule_recording);

	return 0;
}
Ejemplo n.º 16
0
static void *record_file(struct stasis_app_control *control,
	struct ast_channel *chan, void *data)
{
	RAII_VAR(struct stasis_app_recording *, recording,
		NULL, recording_cleanup);
	char *acceptdtmf;
	int res;
	int duration = 0;

	recording = data;
	ast_assert(recording != NULL);

	if (stasis_app_get_bridge(control)) {
		ast_log(LOG_ERROR, "Cannot record channel while in bridge\n");
		recording_fail(recording);
		return NULL;
	}

	switch (recording->options->terminate_on) {
	case STASIS_APP_RECORDING_TERMINATE_NONE:
	case STASIS_APP_RECORDING_TERMINATE_INVALID:
		acceptdtmf = "";
		break;
	case STASIS_APP_RECORDING_TERMINATE_ANY:
		acceptdtmf = "#*0123456789abcd";
		break;
	default:
		acceptdtmf = ast_alloca(2);
		acceptdtmf[0] = recording->options->terminate_on;
		acceptdtmf[1] = '\0';
	}

	res = ast_auto_answer(chan);
	if (res != 0) {
		ast_debug(3, "%s: Failed to answer\n",
			ast_channel_uniqueid(chan));
		recording_fail(recording);
		return NULL;
	}

	ao2_lock(recording);
	recording->state = STASIS_APP_RECORDING_STATE_RECORDING;
	recording_publish(recording);
	ao2_unlock(recording);

	ast_play_and_record_full(chan,
		NULL, /* playfile */
		recording->absolute_name,
		recording->options->max_duration_seconds,
		recording->options->format,
		&duration,
		NULL, /* sound_duration */
		recording->options->beep,
		-1, /* silencethreshold */
		recording->options->max_silence_seconds * 1000,
		NULL, /* path */
		acceptdtmf,
		NULL, /* canceldtmf */
		1, /* skip_confirmation_sound */
		recording->options->if_exists);

	ast_debug(3, "%s: Recording complete\n", ast_channel_uniqueid(chan));

	ao2_lock(recording);
	recording->state = STASIS_APP_RECORDING_STATE_COMPLETE;
	recording_publish(recording);
	ao2_unlock(recording);

	return NULL;
}
Ejemplo n.º 17
0
static int manager_park(struct mansession *s, const struct message *m)
{
	const char *channel = astman_get_header(m, "Channel");
	const char *timeout_channel = S_OR(astman_get_header(m, "TimeoutChannel"), astman_get_header(m, "Channel2"));
	const char *announce_channel = astman_get_header(m, "AnnounceChannel");
	const char *timeout = astman_get_header(m, "Timeout");
	const char *parkinglot = astman_get_header(m, "Parkinglot");
	char buf[BUFSIZ];
	int timeout_override = -1;

	RAII_VAR(struct ast_channel *, parker_chan, NULL, ao2_cleanup);
	RAII_VAR(struct ast_channel *, chan, NULL, ao2_cleanup);

	if (ast_strlen_zero(channel)) {
		astman_send_error(s, m, "Channel not specified");
		return 0;
	}

	if (!ast_strlen_zero(timeout)) {
		if (sscanf(timeout, "%30d", &timeout_override) != 1 || timeout < 0) {
			astman_send_error(s, m, "Invalid Timeout value.");
			return 0;
		}

		if (timeout_override > 0) {
			/* If greater than zero, convert to seconds for internal use. Must be >= 1 second. */
			timeout_override = MAX(1, timeout_override / 1000);
		}
	}

	if (!(chan = ast_channel_get_by_name(channel))) {
		snprintf(buf, sizeof(buf), "Channel does not exist: %s", channel);
		astman_send_error(s, m, buf);
		return 0;
	}

	ast_channel_lock(chan);
	if (!ast_strlen_zero(timeout_channel)) {
		ast_bridge_set_transfer_variables(chan, timeout_channel, 0);
	}
	ast_channel_unlock(chan);

	parker_chan = ast_channel_bridge_peer(chan);
	if (!parker_chan || strcmp(ast_channel_name(parker_chan), timeout_channel)) {
		if (!ast_strlen_zero(announce_channel)) {
			struct ast_channel *announce_chan = ast_channel_get_by_name(announce_channel);
			if (!announce_channel) {
				astman_send_error(s, m, "AnnounceChannel does not exist");
				return 0;
			}

			create_parked_subscription(announce_chan, ast_channel_uniqueid(chan), 0);
			ast_channel_cleanup(announce_chan);
		}

		manager_park_unbridged(s, m, chan, parkinglot, timeout_override);
		return 0;
	}

	if (!ast_strlen_zero(announce_channel) && strcmp(announce_channel, timeout_channel)) {
		/* When using an announce_channel in bridge mode, only add the announce channel if it isn't
		 * the same as the timeout channel (which will play announcements anyway) */
		struct ast_channel *announce_chan = ast_channel_get_by_name(announce_channel);
		if (!announce_channel) {
			astman_send_error(s, m, "AnnounceChannel does not exist");
			return 0;
		}

		create_parked_subscription(announce_chan, ast_channel_uniqueid(chan), 0);
		ast_channel_cleanup(announce_chan);
	}

	manager_park_bridged(s, m, chan, parker_chan, parkinglot, timeout_override);
	return 0;
}
Ejemplo n.º 18
0
/*! \brief Function called when we should prepare to call the destination */
static struct ast_channel *multicast_rtp_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)
{
	char *tmp = ast_strdupa(data), *multicast_type = tmp, *destination, *control;
	struct ast_rtp_instance *instance;
	struct ast_sockaddr control_address;
	struct ast_sockaddr destination_address;
	struct ast_channel *chan;
	struct ast_format fmt;
	ast_best_codec(cap, &fmt);

	ast_sockaddr_setnull(&control_address);

	/* If no type was given we can't do anything */
	if (ast_strlen_zero(multicast_type)) {
		goto failure;
	}

	if (!(destination = strchr(tmp, '/'))) {
		goto failure;
	}
	*destination++ = '\0';

	if ((control = strchr(destination, '/'))) {
		*control++ = '\0';
		if (!ast_sockaddr_parse(&control_address, control,
					PARSE_PORT_REQUIRE)) {
			goto failure;
		}
	}

	if (!ast_sockaddr_parse(&destination_address, destination,
				PARSE_PORT_REQUIRE)) {
		goto failure;
	}

	if (!(instance = ast_rtp_instance_new("multicast", NULL, &control_address, multicast_type))) {
		goto failure;
	}

	if (!(chan = ast_channel_alloc(1, AST_STATE_DOWN, "", "", "", "", "", requestor ? ast_channel_linkedid(requestor) : "", 0, "MulticastRTP/%p", instance))) {
		ast_rtp_instance_destroy(instance);
		goto failure;
	}
	ast_rtp_instance_set_channel_id(instance, ast_channel_uniqueid(chan));
	ast_rtp_instance_set_remote_address(instance, &destination_address);

	ast_channel_tech_set(chan, &multicast_rtp_tech);

	ast_format_cap_add(ast_channel_nativeformats(chan), &fmt);
	ast_format_copy(ast_channel_writeformat(chan), &fmt);
	ast_format_copy(ast_channel_rawwriteformat(chan), &fmt);
	ast_format_copy(ast_channel_readformat(chan), &fmt);
	ast_format_copy(ast_channel_rawreadformat(chan), &fmt);

	ast_channel_tech_pvt_set(chan, instance);

	return chan;

failure:
	*cause = AST_CAUSE_FAILURE;
	return NULL;
}
/*! 
 * \brief Stop monitoring channel 
 * \param chan 
 * \param need_lock
 * Stop the recording, close any open streams, mix in/out channels if required
 * \return Always 0
*/
int AST_OPTIONAL_API_NAME(ast_monitor_stop)(struct ast_channel *chan, int need_lock)
{
	int delfiles = 0;

	LOCK_IF_NEEDED(chan, need_lock);

	if (ast_channel_monitor(chan)) {
		char filename[ FILENAME_MAX ];

		if (ast_channel_monitor(chan)->read_stream) {
			ast_closestream(ast_channel_monitor(chan)->read_stream);
		}
		if (ast_channel_monitor(chan)->write_stream) {
			ast_closestream(ast_channel_monitor(chan)->write_stream);
		}

		if (ast_channel_monitor(chan)->filename_changed && !ast_strlen_zero(ast_channel_monitor(chan)->filename_base)) {
			if (ast_channel_monitor(chan)->read_stream) {
				if (ast_fileexists(ast_channel_monitor(chan)->read_filename,NULL,NULL) > 0) {
					snprintf(filename, FILENAME_MAX, "%s-in", ast_channel_monitor(chan)->filename_base);
					if (ast_fileexists(filename, NULL, NULL) > 0) {
						ast_filedelete(filename, NULL);
					}
					ast_filerename(ast_channel_monitor(chan)->read_filename, filename, ast_channel_monitor(chan)->format);
				} else {
					ast_log(LOG_WARNING, "File %s not found\n", ast_channel_monitor(chan)->read_filename);
				}
			}

			if (ast_channel_monitor(chan)->write_stream) {
				if (ast_fileexists(ast_channel_monitor(chan)->write_filename,NULL,NULL) > 0) {
					snprintf(filename, FILENAME_MAX, "%s-out", ast_channel_monitor(chan)->filename_base);
					if (ast_fileexists(filename, NULL, NULL) > 0) {
						ast_filedelete(filename, NULL);
					}
					ast_filerename(ast_channel_monitor(chan)->write_filename, filename, ast_channel_monitor(chan)->format);
				} else {
					ast_log(LOG_WARNING, "File %s not found\n", ast_channel_monitor(chan)->write_filename);
				}
			}
		}

		if (ast_channel_monitor(chan)->joinfiles && !ast_strlen_zero(ast_channel_monitor(chan)->filename_base)) {
			char tmp[1024];
			char tmp2[1024];
			const char *format = !strcasecmp(ast_channel_monitor(chan)->format,"wav49") ? "WAV" : ast_channel_monitor(chan)->format;
			char *fname_base = ast_channel_monitor(chan)->filename_base;
			const char *execute, *execute_args;
			/* at this point, fname_base really is the full path */

			/* Set the execute application */
			execute = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC");
			if (ast_strlen_zero(execute)) {
#ifdef HAVE_SOXMIX
				execute = "nice -n 19 soxmix";
#else
				execute = "nice -n 19 sox -m";
#endif
				format = get_soxmix_format(format);
				delfiles = 1;
			} 
			execute_args = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC_ARGS");
			if (ast_strlen_zero(execute_args)) {
				execute_args = "";
			}
			
			snprintf(tmp, sizeof(tmp), "%s \"%s-in.%s\" \"%s-out.%s\" \"%s.%s\" %s &",
				execute, fname_base, format, fname_base, format, fname_base, format,execute_args);
			if (delfiles) {
				snprintf(tmp2,sizeof(tmp2), "( %s& rm -f \"%s-\"* ) &",tmp, fname_base); /* remove legs when done mixing */
				ast_copy_string(tmp, tmp2, sizeof(tmp));
			}
			ast_debug(1,"monitor executing %s\n",tmp);
			if (ast_safe_system(tmp) == -1)
				ast_log(LOG_WARNING, "Execute of %s failed.\n",tmp);
		}
		
		ast_free(ast_channel_monitor(chan)->format);
		ast_free(ast_channel_monitor(chan));
		ast_channel_monitor_set(chan, NULL);

		ast_manager_event(chan, EVENT_FLAG_CALL, "MonitorStop",
			                "Channel: %s\r\n"
	                        "Uniqueid: %s\r\n",
	                        ast_channel_name(chan),
	                        ast_channel_uniqueid(chan)
	                        );
		pbx_builtin_setvar_helper(chan, "MONITORED", NULL);
	}
	pbx_builtin_setvar_helper(chan, "AUTO_MONITOR", NULL);

	UNLOCK_IF_NEEDED(chan, need_lock);

	return 0;
}
Ejemplo n.º 20
0
/*! \internal \brief An audiohook modification callback
 *
 * This processes the read side of a channel's voice data to see if
 * they are talking
 *
 * \note We don't actually modify the audio, so this function always
 * returns a 'failure' indicating that it didn't modify the data
 */
static int talk_detect_audiohook_cb(struct ast_audiohook *audiohook, struct ast_channel *chan, struct ast_frame *frame, enum ast_audiohook_direction direction)
{
	int total_silence;
	int update_talking = 0;
	struct ast_datastore *datastore;
	struct talk_detect_params *td_params;
	struct stasis_message *message;

	if (audiohook->status == AST_AUDIOHOOK_STATUS_DONE) {
		return 1;
	}

	if (direction != AST_AUDIOHOOK_DIRECTION_READ) {
		return 1;
	}

	if (frame->frametype != AST_FRAME_VOICE) {
		return 1;
	}

	if (!(datastore = ast_channel_datastore_find(chan, &talk_detect_datastore, NULL))) {
		return 1;
	}
	td_params = datastore->data;

	ast_dsp_silence(td_params->dsp, frame, &total_silence);

	if (total_silence < td_params->dsp_silence_threshold) {
		if (!td_params->talking) {
			update_talking = 1;
			td_params->talking_start = ast_tvnow();
		}
		td_params->talking = 1;
	} else {
		if (td_params->talking) {
			update_talking = 1;
		}
		td_params->talking = 0;
	}

	if (update_talking) {
		struct ast_json *blob = NULL;

		if (!td_params->talking) {
			int64_t diff_ms = ast_tvdiff_ms(ast_tvnow(), td_params->talking_start);
			diff_ms -= td_params->dsp_silence_threshold;

			blob = ast_json_pack("{s: i}", "duration", diff_ms);
			if (!blob) {
				return 1;
			}
		}

		ast_verb(4, "%s is now %s\n", ast_channel_name(chan),
		            td_params->talking ? "talking" : "silent");
		message = ast_channel_blob_create_from_cache(ast_channel_uniqueid(chan),
		                td_params->talking ? ast_channel_talking_start() : ast_channel_talking_stop(),
		                blob);
		if (message) {
			stasis_publish(ast_channel_topic(chan), message);
			ao2_ref(message, -1);
		}

		ast_json_unref(blob);
	}

	return 1;
}