static void fs2netd_handle_messages()
{
int buffer_size = 0, buffer_offset = 0;
int bytes_read = 0;
char tbuf[256];
char buffer[8192];
ubyte pid = 0;
int itemp;
while ( FS2NetD_DataReady() && (bytes_read < (int)sizeof(buffer)) ) {
int read_size = FS2NetD_GetData(buffer+bytes_read, sizeof(buffer)-bytes_read);
if (read_size <= 0) {
break;
}
bytes_read += read_size;
Sleep(20);
}
if ( (bytes_read == 0) || (bytes_read < BASE_PACKET_SIZE) ) {
return;
}
Last_activity = timer_get_seconds();
buffer_offset = 0;
while (buffer_offset+BASE_PACKET_SIZE <= bytes_read) {
PXO_GET_DATA( pid );
PXO_GET_INT( buffer_size );
// packet has more data than our buffer received
if (buffer_offset+buffer_size-BASE_PACKET_SIZE > bytes_read) {
break;
}
// processing time!
switch (pid) {
case PCKT_PING: {
PXO_GET_INT( itemp );
// ml_printf("FS2NetD received PING");
FS2NetD_Pong(itemp);
break;
}
case PCKT_PONG: {
PXO_GET_INT( itemp );
ml_printf("FS2NetD PONG: %d ms", timer_get_milliseconds() - itemp);
// reset timestamp, since the ping was successful
Ping_timestamp = -1;
break;
}
case PCKT_NETOWRK_WALL: {
PXO_GET_STRING( tbuf );
ml_printf("FS2NetD WALL received MSG: %s", tbuf);
switch (Netgame.game_state) {
case NETGAME_STATE_FORMING:
case NETGAME_STATE_BRIEFING:
case NETGAME_STATE_MISSION_SYNC:
case NETGAME_STATE_DEBRIEF:
multi_display_chat_msg(tbuf, 0, 0);
break;
case NETGAME_STATE_IN_MISSION: // gotta make it paused
//multi_pause_request(1);
//send_game_chat_packet(Net_player, str, MULTI_MSG_ALL, NULL);
HUD_printf(tbuf);
break;
default:
// do-nothing
break;
}
break;
}
case PCKT_CHAT_CHAN_COUNT_REPLY: {
PXO_GET_STRING( tbuf );
PXO_GET_INT( itemp );
if ( (itemp < 0) || (itemp > USHRT_MAX) ) {
itemp = 0;
}
multi_pxo_channel_count_update(tbuf, itemp);
break;
}
case PCKT_VALID_SID_REPLY: {
ubyte login_status = 0;
PXO_GET_DATA( login_status );
if (login_status != 1) {
ml_printf("FS2NetD IDENT: Got invalid login check!");
fs2netd_reset_connection();
}
break;
}
case PCKT_DUP_LOGIN_REPLY: {
ubyte dupe_status = 0;
PXO_GET_DATA( dupe_status );
Duplicate_login_detected = (dupe_status != 0);
break;
}
case PCKT_SLIST_REPLY: {
int numServers = 0;
int svr_flags;
ushort svr_port;
char svr_ip[16];
active_game ag;
PXO_GET_USHORT( numServers );
if (numServers == 0) {
break;
}
for (int i = 0; i < numServers; i++) {
PXO_GET_INT( svr_flags );
PXO_GET_USHORT( svr_port );
PXO_GET_STRING( svr_ip );
if ( !psnet_is_valid_ip_string(svr_ip) ) {
ml_printf("FS2NetD SLIST: Invalid ip string (%s)!", svr_ip);
} else {
memset( &ag, 0, sizeof(active_game) );
ag.server_addr.type = NET_TCP;
ag.server_addr.port = (short) svr_port;
if (ag.server_addr.port <= 0) {
ag.server_addr.port = DEFAULT_GAME_PORT;
}
psnet_string_to_addr(&ag.server_addr, svr_ip);
// query this server
send_server_query(&ag.server_addr);
}
}
break;
}
default: {
break;
}
}
}
}
void fs2netd_do_frame()
{
int rc, buffer_size, buffer_offset;
char buffer[300], str[256];
ubyte pid = 0;
int itemp;
static fix NextPing = -1, NextHeartBeat = -1;
static fix GotPong = -1;
bool reset = false;
// don't bother with this if we aren't on FS2NetD
if ( !Om_tracker_flag ) {
return;
}
if ( !(Game_mode & GM_MULTIPLAYER) ) {
return;
}
// not connected to server
if ( !Is_connected ) {
return;
}
// in a previous processing loop, so don't do a frame until that has completed
if ( In_process ) {
return;
}
// if we didn't get a PONG within 4 minutes the server connection must have dropped
if ( (GotPong != -1) && ((NextPing - GotPong) > (240 * F1_0)) ) {
ml_printf("FS2NetD WARNING: Lost connection to server!");
FS2NetD_Disconnect();
Is_connected = false;
Logged_in = false;
PXO_SID = -1;
NextHeartBeat = -1;
NextPing = -1;
GotPong = -1;
// try to reinit the server connection
fs2netd_login();
// make sure that we are good to go
if ( !Is_connected ) {
if (!Is_standalone) {
gamesnd_play_iface(SND_GENERAL_FAIL);
popup(PF_USE_AFFIRMATIVE_ICON | PF_TITLE_BIG | PF_TITLE_RED, 1, POPUP_OK, "ERROR:\nLost connection to the FS2NetD server!");
}
return;
} else {
ml_printf("FS2NetD NOTICE: Connection to server has been reestablished!");
}
}
// send out ping every 60 seconds
if ( (NextPing == -1) || (timer_get_fixed_seconds() >= NextPing) ) {
// if we have seen a long period of time between pings then reset the pong time too
if ( (timer_get_fixed_seconds() - NextPing) > (120 * F1_0) ) {
reset = true;
}
NextPing = timer_get_fixed_seconds() + (60 * F1_0);
// we go ahead and set the initial GotPong here, even though we haven't gotten a pong yet
if ( (GotPong == -1) || reset ) {
GotPong = NextPing;
reset = false;
}
FS2NetD_Ping();
ml_printf("FS2NetD sent PING");
}
// send out server heartbeat every 2 minutes, unless forced to by an update
if ( (Net_player->flags & NETINFO_FLAG_AM_MASTER) && (Multi_create_force_heartbeat || (NextHeartBeat == -1) || (timer_get_fixed_seconds() >= NextHeartBeat)) ) {
Multi_create_force_heartbeat = 0;
NextHeartBeat = timer_get_fixed_seconds() + (120 * F1_0);
FS2NetD_SendHeartBeat(Netgame.name, Netgame.mission_name, Netgame.title, Netgame.type_flags, Netgame.server_addr.port, multi_num_players());
ml_printf("FS2NetD sent HeartBeat");
}
// Check for GWall messages - ping replies, etc
if ( (rc = FS2NetD_GetData(buffer, sizeof(buffer))) != -1 ) {
int rc_total = rc;
buffer_offset = 0;
while (rc_total > buffer_offset) {
// make sure we have enough data to try and process
if (rc_total < BASE_PACKET_SIZE) {
break;
}
PXO_GET_DATA( pid );
PXO_GET_INT( buffer_size );
while ( (rc_total < buffer_size) && ((sizeof(buffer) - rc_total) > 0) ) {
if ( (rc = FS2NetD_GetData(buffer+rc_total, sizeof(buffer) - rc_total)) != -1 ) {
rc_total += rc;
} else {
break;
}
}
if (buffer_size <= 0) {
break;
}
// we don't have the full packet, so bail
if (rc_total < buffer_size) {
break;
}
// processing time!
switch (pid) {
case PCKT_PING: {
PXO_GET_INT( itemp );
ml_printf("FS2NetD received PING");
FS2NetD_Pong(itemp);
break;
}
case PCKT_PONG: {
PXO_GET_INT( itemp );
ml_printf("FS2NetD received PONG: %d ms", timer_get_milliseconds() - itemp);
GotPong = timer_get_fixed_seconds();
break;
}
case PCKT_NETOWRK_WALL: {
PXO_GET_STRING( str );
ml_printf("FS2NetD WALL received MSG: %s", str);
switch (Netgame.game_state) {
case NETGAME_STATE_FORMING:
case NETGAME_STATE_BRIEFING:
case NETGAME_STATE_MISSION_SYNC:
case NETGAME_STATE_DEBRIEF:
multi_display_chat_msg(str, 0, 0);
break;
/* -- Won't Happen - multi_do_frame() is not called during paused state
so the game will not even receive the data during it
case NETGAME_STATE_PAUSED: // EASY!
send_game_chat_packet(Net_player, str, MULTI_MSG_ALL, NULL);
break;
*/
case NETGAME_STATE_IN_MISSION: // gotta make it paused
//multi_pause_request(1);
//send_game_chat_packet(Net_player, str, MULTI_MSG_ALL, NULL);
HUD_printf(str);
break;
default:
// do-nothing
break;
}
break;
}
default: {
ml_printf("Unexpected FS2NetD Packet - PID = %x", pid);
break;
}
}
buffer_offset += (buffer_size - BASE_PACKET_SIZE);
}
}
}
