/**
* return the package total length
*/
ssize_t swProtocol_get_package_length(swProtocol *protocol, swConnection *conn, char *data, uint32_t size)
{
uint16_t length_offset = protocol->package_length_offset;
uint8_t package_length_size = protocol->get_package_length_size ? protocol->get_package_length_size(conn) : protocol->package_length_size;
int32_t body_length;
/**
* no have length field, wait more data
*/
if (size < length_offset + package_length_size)
{
protocol->real_header_length = length_offset + package_length_size;
return 0;
}
body_length = swoole_unpack(protocol->package_length_type, data + length_offset);
//Length error
//Protocol length is not legitimate, out of bounds or exceed the allocated length
if (body_length < 0)
{
swWarn("invalid package, remote_addr=%s:%d, length=%d, size=%d.", swConnection_get_ip(conn), swConnection_get_port(conn), body_length, size);
return SW_ERR;
}
swDebug("length=%d", protocol->package_body_offset + body_length);
//total package length
return protocol->package_body_offset + body_length;
}
void swoole_dump_bin(char *data, char type, int size)
{
int i;
int type_size = swoole_type_size(type);
int n = size / type_size;
for(i = 0; i < n; i++)
{
printf("%d,", swoole_unpack(type, data + type_size*i));
}
printf("\n");
}
