Function nw_psnet_buffer_packet

networking/networking.cpp:1856–1886

MTS: only used in this file buffer a packet (maintain order!)

// MTS: only used in this file
// buffer a packet (maintain order!)
void nw_psnet_buffer_packet(uint8_t *data, int length, network_address *from) {
  int idx;
  int found_buf = 0;

  // find the first empty packet
  for (idx = 0; idx < MAX_PACKET_BUFFERS; idx++) {
    if (Psnet_buffers[idx].sequence_number == -1) {
      found_buf = 1;
      break;
    }
  }

  // if we didn't find the buffer, report an overrun
  if (!found_buf) {
    mprintf(0, "WARNING - Buffer overrun in psnet\n");
  } else {
    // copy in the data
    memcpy(Psnet_buffers[idx].data, data, length);
    Psnet_buffers[idx].len = length;
    memcpy(&Psnet_buffers[idx].from_addr, from, sizeof(network_address));
    Psnet_buffers[idx].sequence_number = Psnet_seq_number;

    // keep track of the highest id#
    Psnet_highest_id = Psnet_seq_number++;

    // set the lowest id# for the first time
    if (Psnet_lowest_id == -1) {
      Psnet_lowest_id = Psnet_highest_id;
    }
  }
}

// MTS: only used in this file
// get the index of the next packet in order!