int network_udp_recvv(UDPsocket udp, UDPpacket** packets) {
int recv = 0;
recv = SDLNet_UDP_RecvV(udp, packets);
if (recv == -1) {
std::cerr << "Failed to recieve vector data over UDP: " << SDLNet_GetError() << "\n";
}
return recv;
}
/* Receive a single packet from the UDP socket.
The returned packet contains the source address and the channel it arrived
on. If it did not arrive on a bound channel, the the channel will be set
to -1.
This function returns the number of packets read from the network, or -1
on error. This function does not block, so can return 0 packets pending.
*/
int SDLNet_UDP_Recv(UDPsocket sock, UDPpacket *packet)
{
UDPpacket *packets[2];
/* Receive a packet array of 1 */
packets[0] = packet;
packets[1] = NULL;
return(SDLNet_UDP_RecvV(sock, packets));
}
/*
* network_udp_recvv() - Receive multiple data packets via UDP
* @udp: the socket to receive the data from
* @packets: the pointer to store the data at
*/
int network_udp_recv_vector(UDPsocket udp, UDPpacket** packets) {
int recv = 0; // Define how many packets were received
recv = SDLNet_UDP_RecvV(udp, packets); // Attempt to receive the data
if (recv == -1) { // If an error occured while receiving the data
std::cerr << "Failed to receive vector data over UDP: " << SDLNet_GetError() << "\n"; // Output the error message
return -1; // Return -1 on failure
}
return recv; // Return the amount of packets that were received on success, or 0 for no packets
}
