Function _bin_init

bin_interface.c:51–99

* _bin_init - begins the construction of a new binary packet (header part): * * +-----------------------------+-------------------------------------------------------+ * | 12-byte HEADER | BODY max 65535 bytes | * +-----------------------------+-------------------------------------------------------+ * | PK_MARKER |PGK LEN| VERSION | LEN | CAP | C

 * @length: initial packet size. specify 0 to use the default size (BIN_MAX_BUF_LEN)
 */
int _bin_init(bin_packet_t *packet, str *capability, int packet_type,
             short version, int length, int use_sysmalloc)
{
	if (length != 0 && length < MIN_BIN_PACKET_SIZE + capability->len) {
		LM_ERR("Length parameter has to be greater than: %zu\n",
		       MIN_BIN_PACKET_SIZE + capability->len);
		return -1;
	}

	if (!length) 
		length = BIN_MAX_BUF_LEN;

	if (use_sysmalloc) {
		packet->buffer.s = malloc(length);
		packet->flags = BINFL_SYSMEM;
	} else {
		packet->buffer.s = pkg_malloc(length);
		packet->flags = 0;
	}
	if (!packet->buffer.s) {
		LM_ERR("No more pkg memory!\n");
		return -1;
	}

	packet->buffer.len = 0;
	packet->type = packet_type;
	packet->size = length;

	/* binary packet header: marker + pkg_len */
	memcpy(packet->buffer.s + packet->buffer.len,
	       BIN_PACKET_MARKER, BIN_PACKET_MARKER_SIZE);
	packet->buffer.len += BIN_PACKET_MARKER_SIZE + PKG_LEN_FIELD_SIZE;

	/* bin version */
	memcpy(packet->buffer.s + packet->buffer.len, &version, sizeof(version));
	packet->buffer.len += VERSION_FIELD_SIZE;

	/* capability name */
	memcpy(packet->buffer.s + packet->buffer.len, &capability->len, LEN_FIELD_SIZE);
	packet->buffer.len += LEN_FIELD_SIZE;
	memcpy(packet->buffer.s + packet->buffer.len, capability->s, capability->len);
	packet->buffer.len += capability->len;

	memcpy(packet->buffer.s + packet->buffer.len, &packet_type, sizeof(packet_type));
	packet->buffer.len += sizeof(packet_type);

	set_len(packet);
	return 0;
}

void bin_set_packet_type(bin_packet_t *packet, int packet_type)
{