Ejemplo n.º 1
0
/* Attempt to pick up specified extension with context */
static int pickup_by_exten(struct ast_channel *chan, const char *exten, const char *context)
{
	struct ast_channel *target = NULL;/*!< Potential pickup target */
	struct ast_channel_iterator *iter;
	int res = -1;

	if (!(iter = ast_channel_iterator_by_exten_new(exten, context))) {
		return -1;
	}

	while ((target = ast_channel_iterator_next(iter))) {
		ast_channel_lock(target);
		if ((chan != target) && ast_can_pickup(target)) {
			ast_log(LOG_NOTICE, "%s pickup by %s\n", ast_channel_name(target), ast_channel_name(chan));
			break;
		}
		ast_channel_unlock(target);
		target = ast_channel_unref(target);
	}

	ast_channel_iterator_destroy(iter);

	if (target) {
		res = ast_do_pickup(chan, target);
		ast_channel_unlock(target);
		target = ast_channel_unref(target);
	}

	return res;
}
Ejemplo n.º 2
0
static struct ast_autochan *next_channel(struct ast_channel_iterator *iter,
		struct ast_autochan *autochan, struct ast_channel *chan)
{
	struct ast_channel *next;
	struct ast_autochan *autochan_store;
	const size_t pseudo_len = strlen("DAHDI/pseudo");

	if (!iter) {
		return NULL;
	}

redo:
	if (!(next = ast_channel_iterator_next(iter))) {
		return NULL;
	}

	if (!strncmp(next->name, "DAHDI/pseudo", pseudo_len)) {
		goto redo;
	} else if (next == chan) {
		goto redo;
	}

	autochan_store = ast_autochan_setup(next);
	ast_channel_unref(next);

	return autochan_store;
}
Ejemplo n.º 3
0
static u_char *ast_var_channel_bridge(struct variable *vp, oid *name, size_t *length,
	int exact, size_t *var_len, WriteMethod **write_method)
{
	static unsigned long long_ret;
	struct ast_channel *chan = NULL;
	struct ast_channel_iterator *iter;

	long_ret = 0;

	if (header_generic(vp, name, length, exact, var_len, write_method)) {
		return NULL;
	}

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

	while ((chan = ast_channel_iterator_next(iter))) {
		ast_channel_lock(chan);
		if (ast_bridged_channel(chan)) {
			long_ret++;
		}
		ast_channel_unlock(chan);
		chan = ast_channel_unref(chan);
	}

	ast_channel_iterator_destroy(iter);

	*var_len = sizeof(long_ret);

	return (vp->magic == ASTCHANBRIDGECOUNT) ? (u_char *) &long_ret : NULL;
}
Ejemplo n.º 4
0
static int func_channels_read(struct ast_channel *chan, const char *function, char *data, char *buf, size_t maxlen)
{
	struct ast_channel *c = NULL;
	regex_t re;
	int res;
	size_t buflen = 0;
	struct ast_channel_iterator *iter;

	buf[0] = '\0';

	if (!ast_strlen_zero(data)) {
		if ((res = regcomp(&re, data, REG_EXTENDED | REG_ICASE | REG_NOSUB))) {
			regerror(res, &re, buf, maxlen);
			ast_log(LOG_WARNING, "Error compiling regular expression for %s(%s): %s\n", function, data, buf);
			return -1;
		}
	}

	if (!(iter = ast_channel_iterator_all_new())) {
		if (!ast_strlen_zero(data)) {
			regfree(&re);
		}
		return -1;
	}

	while ((c = ast_channel_iterator_next(iter))) {
		ast_channel_lock(c);
		if (ast_strlen_zero(data) || regexec(&re, ast_channel_name(c), 0, NULL, 0) == 0) {
			size_t namelen = strlen(ast_channel_name(c));
			if (buflen + namelen + (ast_strlen_zero(buf) ? 0 : 1) + 1 < maxlen) {
				if (!ast_strlen_zero(buf)) {
					strcat(buf, " ");
					buflen++;
				}
				strcat(buf, ast_channel_name(c));
				buflen += namelen;
			} else {
				ast_log(LOG_WARNING, "Number of channels exceeds the available buffer space.  Output will be truncated!\n");
			}
		}
		ast_channel_unlock(c);
		c = ast_channel_unref(c);
	}

	ast_channel_iterator_destroy(iter);

	if (!ast_strlen_zero(data)) {
		regfree(&re);
	}

	return 0;
}
Ejemplo n.º 5
0
static struct ast_autochan *next_channel(struct ast_channel_iterator *iter,
		struct ast_autochan *autochan, struct ast_channel *chan)
{
	struct ast_channel *next;
	struct ast_autochan *autochan_store;
	const size_t pseudo_len = strlen("DAHDI/pseudo");

	if (!iter) {
		return NULL;
	}

	for (; (next = ast_channel_iterator_next(iter)); ast_channel_unref(next)) {
		if (!strncmp(ast_channel_name(next), "DAHDI/pseudo", pseudo_len)
			|| next == chan) {
			continue;
		}

		autochan_store = ast_autochan_setup(next);
		ast_channel_unref(next);

		return autochan_store;
	}
	return NULL;
}
Ejemplo n.º 6
0
static u_char *ast_var_channel_types_table(struct variable *vp, oid *name, size_t *length,
										int exact, size_t *var_len, WriteMethod **write_method)
{
	const struct ast_channel_tech *tech = NULL;
	struct ast_variable *channel_types, *next;
	static unsigned long long_ret;
	struct ast_channel *chan;
	u_long i;

	if (header_simple_table(vp, name, length, exact, var_len, write_method, -1))
		return NULL;

	channel_types = ast_channeltype_list();
	for (i = 1, next = channel_types; next && i != name[*length - 1]; next = next->next, i++)
		;
	if (next != NULL)
		tech = ast_get_channel_tech(next->name);
	ast_variables_destroy(channel_types);
	if (next == NULL || tech == NULL)
		return NULL;
	
	switch (vp->magic) {
	case ASTCHANTYPEINDEX:
		long_ret = name[*length - 1];
		return (u_char *)&long_ret;
	case ASTCHANTYPENAME:
		*var_len = strlen(tech->type);
		return (u_char *)tech->type;
	case ASTCHANTYPEDESC:
		*var_len = strlen(tech->description);
		return (u_char *)tech->description;
	case ASTCHANTYPEDEVSTATE:
		long_ret = tech->devicestate ? 1 : 2;
		return (u_char *)&long_ret;
	case ASTCHANTYPEINDICATIONS:
		long_ret = tech->indicate ? 1 : 2;
		return (u_char *)&long_ret;
	case ASTCHANTYPETRANSFER:
		long_ret = tech->transfer ? 1 : 2;
		return (u_char *)&long_ret;
	case ASTCHANTYPECHANNELS:
	{
		struct ast_channel_iterator *iter;

		long_ret = 0;

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

		while ((chan = ast_channel_iterator_next(iter))) {
			if (ast_channel_tech(chan) == tech) {
				long_ret++;
			}
			chan = ast_channel_unref(chan);
		}

		ast_channel_iterator_destroy(iter);

		return (u_char *)&long_ret;
	}
	default:
		break;
	}
	return NULL;
}
Ejemplo n.º 7
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;
}