/*
========================
idLobby::BuildMigrationInviteList
========================
*/
void idLobby::BuildMigrationInviteList( bool inviteOldHost )
{
migrationInfo.invites.Clear();
// Build a list of addresses we will send invites to (gather all unique remote addresses from the session user list)
for( int i = 0; i < GetNumLobbyUsers(); i++ )
{
lobbyUser_t* user = GetLobbyUser( i );
if( !verify( user != NULL ) )
{
continue;
}
if( user->IsDisconnected() )
{
continue;
}
if( IsSessionUserIndexLocal( i ) )
{
migrationInfo.ourPingMs = user->pingMs;
migrationInfo.ourUserId = user->lobbyUserID;
migrationInfo.persistUntilGameEndsData.ourGameData = user->migrationGameData;
NET_VERBOSE_PRINT( "^2NET: Migration game data for local user is index %d \n", user->migrationGameData );
continue; // Only interested in remote users
}
if( !inviteOldHost && user->peerIndex == -1 )
{
continue; // Don't invite old host if told not to do so
}
if( FindMigrationInviteIndex( user->address ) == -1 )
{
migrationInvite_t invite;
invite.address = user->address;
invite.pingMs = user->pingMs;
invite.userId = user->lobbyUserID;
invite.migrationGameData = user->migrationGameData;
invite.lastInviteTime = 0;
NET_VERBOSE_PRINT( "^2NET: Migration game data for user %s is index %d \n", user->gamertag, user->migrationGameData );
migrationInfo.invites.Append( invite );
}
}
}
/*
========================
idLobby::HandleMigrationGameData
========================
*/
void idLobby::HandleMigrationGameData( idBitMsg& msg )
{
// Receives game migration data from the server. Just save off the raw data. If we ever become host we'll let the game code read
// that chunk in (we can't do anything with it now anyways: we don't have entities or any server code to read it in to)
migrationInfo.persistUntilGameEndsData.hasGameData = true;
// Reset each user's migration game data. If we don't receive new data for them in this msg, we don't want to use the old data
for( int i = 0; i < GetNumLobbyUsers(); i++ )
{
lobbyUser_t* u = GetLobbyUser( i );
if( u != NULL )
{
u->migrationGameData = -1;
}
}
msg.ReadData( migrationInfo.persistUntilGameEndsData.gameData, sizeof( migrationInfo.persistUntilGameEndsData.gameData ) );
int numUsers = msg.ReadByte();
int dataIndex = 0;
for( int i = 0; i < numUsers; i++ )
{
lobbyUserID_t lobbyUserID;
lobbyUserID.ReadFromMsg( msg );
lobbyUser_t* user = GetLobbyUser( GetLobbyUserIndexByID( lobbyUserID ) );
if( user != NULL )
{
NET_VERBOSE_PRINT( "NET: Got migration data[%d] for user %s\n", dataIndex, user->gamertag );
user->migrationGameData = dataIndex;
msg.ReadData( migrationInfo.persistUntilGameEndsData.gameDataUser[ dataIndex ], sizeof( migrationInfo.persistUntilGameEndsData.gameDataUser[ dataIndex ] ) );
dataIndex++;
}
}
}
/*
========================
idLobby::InitSessionUsersFromLocalUsers
This functions just defaults the session users to the signin manager local users
========================
*/
void idLobby::InitSessionUsersFromLocalUsers( bool onlineMatch ) {
assert( lobbyBackend != NULL );
// First, clear all session users of this session type
FreeAllUsers();
// Copy all local users from sign in mgr to the session user list
for ( int i = 0; i < sessionCB->GetSignInManager().GetNumLocalUsers(); i++ ) {
idLocalUser * localUser = sessionCB->GetSignInManager().GetLocalUserByIndex( i );
// Make sure this user can join lobbies
if ( onlineMatch && !localUser->CanPlayOnline() ) {
continue;
}
lobbyUser_t lobbyUser = CreateLobbyUserFromLocalUser( localUser );
// Append this new session user to the session user list
lobbyUser_t * createdUser = AllocUser( lobbyUser );
// Get the migration game data if this is a migrated hosting
if ( verify( createdUser != NULL ) && migrationInfo.persistUntilGameEndsData.wasMigratedHost ) {
createdUser->migrationGameData = migrationInfo.persistUntilGameEndsData.ourGameData;
NET_VERBOSE_PRINT( "NET: Migration game data set for local user %s at index %d \n", createdUser->gamertag, migrationInfo.persistUntilGameEndsData.ourGameData );
}
}
}
/*
========================
idLobby::CreateLobbyUserFromLocalUser
This functions just defaults the session users to the signin manager local users
========================
*/
lobbyUser_t idLobby::CreateLobbyUserFromLocalUser( const idLocalUser * localUser ) {
lobbyUser_t lobbyUser;
idStr::Copynz( lobbyUser.gamertag, localUser->GetGamerTag(), sizeof( lobbyUser.gamertag ) );
lobbyUser.peerIndex = -1;
lobbyUser.lobbyUserID = lobbyUserID_t( localUser->GetLocalUserHandle(), lobbyType ); // Generate the lobby using a combination of local user id, and lobby type
lobbyUser.disconnecting = false;
// If we are in a game lobby (or dedicated game state lobby), and we have a party lobby running, assume we can grab the party token from our equivalent user in the party.
if ( ( lobbyType == TYPE_GAME || lobbyType == TYPE_GAME_STATE ) && sessionCB->GetPartyLobby().IsLobbyActive() ) {
if ( ( sessionCB->GetPartyLobby().parms.matchFlags & MATCH_REQUIRE_PARTY_LOBBY ) && !( sessionCB->GetPartyLobby().parms.matchFlags & MATCH_PARTY_INVITE_PLACEHOLDER ) ) {
// copy some things from my party user
const int myPartyUserIndex = sessionCB->GetPartyLobby().GetLobbyUserIndexByLocalUserHandle( lobbyUser.lobbyUserID.GetLocalUserHandle() );
if ( verify( myPartyUserIndex >= 0 ) ) { // Just in case
lobbyUser_t * myPartyUser = sessionCB->GetPartyLobby().GetLobbyUser( myPartyUserIndex );
if ( myPartyUser != NULL ) {
lobbyUser.partyToken = myPartyUser->partyToken;
}
}
}
}
lobbyUser.UpdateClientMutableData( localUser );
NET_VERBOSE_PRINT( "NET: CreateLobbyUserFromLocalUser: party %08x name %s (%s)\n", lobbyUser.partyToken, lobbyUser.gamertag, GetLobbyName() );
return lobbyUser;
}
/*
========================
idLobbyBackendDirect::StartHosting
========================
*/
void idLobbyBackendDirect::StartHosting( const idMatchParameters & p, float skillLevel, lobbyBackendType_t type ) {
NET_VERBOSE_PRINT( "idLobbyBackendDirect::StartHosting\n" );
isLocal = MatchTypeIsLocal( p.matchFlags );
isHost = true;
state = STATE_READY;
isLocal = true;
}
/*
========================
idLobbyBackendDirect::JoinFromConnectInfo
========================
*/
void idLobbyBackendDirect::JoinFromConnectInfo( const lobbyConnectInfo_t& connectInfo )
{
if( lobbyToSessionCB->CanJoinLocalHost() )
{
// TODO: "CanJoinLocalHost" == *must* join LocalHost ?!
Sys_StringToNetAdr( "localhost", &address, true );
address.port = net_port.GetInteger();
NET_VERBOSE_PRINT( "NET: idLobbyBackendDirect::JoinFromConnectInfo(): canJoinLocalHost\n" );
}
else
{
address = connectInfo.netAddr;
NET_VERBOSE_PRINT( "NET: idLobbyBackendDirect::JoinFromConnectInfo(): %s\n", Sys_NetAdrToString( address ) );
}
state = STATE_READY;
isLocal = false;
isHost = false;
}
/*
========================
idLobby::AllocLobbyUserSlotForBot
========================
*/
lobbyUserID_t idLobby::AllocLobbyUserSlotForBot( const char * botName ) {
lobbyUser_t botSessionUser;
botSessionUser.peerIndex = peerIndexOnHost;
botSessionUser.isBot = true;
botSessionUser.disconnecting = false;
idStr::Copynz( botSessionUser.gamertag, botName, sizeof( botSessionUser.gamertag ) );
localUserHandle_t localUserHandle( session->GetSignInManager().GetUniqueLocalUserHandle( botSessionUser.gamertag ) );
botSessionUser.lobbyUserID = lobbyUserID_t( localUserHandle, lobbyType );
lobbyUser_t * botUser = NULL;
int sessionUserIndex = -1;
// First, try to replace a disconnected user
for ( int i = 0; i < GetNumLobbyUsers(); ++i ) {
if ( IsLobbyUserDisconnected( i ) ) {
lobbyUser_t * user = GetLobbyUser( i );
if ( verify( user != NULL ) ) {
*user = botSessionUser;
botUser = user;
sessionUserIndex = i;
break;
}
}
}
if ( botUser == NULL ) {
if ( freeUsers.Num() == 0 ) {
idLib::Warning( "NET: Out Of Session Users - Can't Add Bot %s!", botName );
return lobbyUserID_t();
}
botUser = AllocUser( botSessionUser );
sessionUserIndex = userList.Num() - 1;
}
if ( !verify( botUser != NULL ) ) {
idLib::Warning( "NET: Can't Find Session Slot For Bot!" );
return lobbyUserID_t();
} else {
NET_VERBOSE_PRINT( "NET: Created Bot %s At Index %d \n", botUser->gamertag, sessionUserIndex );
}
SendNewUsersToPeers( peerIndexOnHost, userList.Num() - 1, 1 ); // bot has been added to the lobby user list - update the peers so that they can see the bot too.
return GetLobbyUser( sessionUserIndex )->lobbyUserID;
}
/*
========================
idSessionLocalWin::Shutdown
========================
*/
void idSessionLocalWin::Shutdown()
{
NET_VERBOSE_PRINT( "NET: Shutdown\n" );
idSessionLocal::Shutdown();
MoveToMainMenu();
// Wait until we fully shutdown
while( localState != STATE_IDLE && localState != STATE_PRESS_START )
{
Pump();
}
if( achievementSystem != NULL )
{
achievementSystem->Shutdown();
delete achievementSystem;
achievementSystem = NULL;
}
}
/*
========================
idLobby::GetAverageSessionLevel
========================
*/
float idLobby::GetAverageSessionLevel() {
float level = 0.0f;
int numActiveMembers = 0;
for ( int i = 0; i < GetNumLobbyUsers(); i++ ) {
const lobbyUser_t * user = GetLobbyUser( i );
if ( user->IsDisconnected() ) {
continue;
}
level += user->level;
numActiveMembers++;
}
if ( numActiveMembers > 0 ) {
level /= (float)numActiveMembers;
}
float ret = Max( level, 1.0f );
NET_VERBOSE_PRINT( "NET: GetAverageSessionLevel %g\n", ret );
return ret;
}
/*
========================
idLobby::UpdateHostMigration
========================
*/
void idLobby::UpdateHostMigration()
{
int time = Sys_Milliseconds();
// If we are picking a new host, then update that
if( migrationInfo.state == MIGRATE_PICKING_HOST )
{
const int MIGRATION_PICKING_HOST_TIMEOUT_IN_SECONDS = 20; // FIXME: set back to 5 // Give other hosts 5 seconds
if( time - migrationInfo.migrationStartTime > session->GetTitleStorageInt( "MIGRATION_PICKING_HOST_TIMEOUT_IN_SECONDS", MIGRATION_PICKING_HOST_TIMEOUT_IN_SECONDS ) * 1000 )
{
// Just become the host if we haven't heard from a host in awhile
BecomeHost();
}
else
{
return;
}
}
// See if we are a new migrated host that needs to invite the original members back
if( migrationInfo.state != MIGRATE_BECOMING_HOST )
{
return;
}
if( lobbyBackend == NULL || lobbyBackend->GetState() != idLobbyBackend::STATE_READY )
{
return;
}
if( state != STATE_IDLE )
{
return;
}
if( !IsHost() )
{
return;
}
const int MIGRATION_TIMEOUT_IN_SECONDS = 30; // FIXME: setting to 30 for dev purposes. 10 seems more reasonable. Need to make unloading game / loading lobby async
const int MIGRATION_INVITE_TIME_IN_SECONDS = 2;
if( migrationInfo.invites.Num() == 0 || time - migrationInfo.migrationStartTime > session->GetTitleStorageInt( "MIGRATION_TIMEOUT_IN_SECONDS", MIGRATION_TIMEOUT_IN_SECONDS ) * 1000 )
{
// Either everyone acked, or we timed out, just keep who we have, and stop sending invites
EndMigration();
return;
}
// Send invites to anyone who hasn't responded
for( int i = 0; i < migrationInfo.invites.Num(); i++ )
{
if( time - migrationInfo.invites[i].lastInviteTime < session->GetTitleStorageInt( "MIGRATION_INVITE_TIME_IN_SECONDS", MIGRATION_INVITE_TIME_IN_SECONDS ) * 1000 )
{
continue; // Not enough time passed
}
// Mark the time
migrationInfo.invites[i].lastInviteTime = time;
byte buffer[ idPacketProcessor::MAX_PACKET_SIZE - 2 ];
idBitMsg outmsg( buffer, sizeof( buffer ) );
// Have lobbyBackend fill out msg with connection info
lobbyConnectInfo_t connectInfo = lobbyBackend->GetConnectInfo();
connectInfo.WriteToMsg( outmsg );
// Let them know whether or not this was from in game
outmsg.WriteBool( migrationInfo.persistUntilGameEndsData.wasMigratedGame );
NET_VERBOSE_PRINT( "NET: Sending migration invite to %s\n", migrationInfo.invites[i].address.ToString() );
// Send the migration invite
SendConnectionLess( migrationInfo.invites[i].address, OOB_MIGRATE_INVITE, outmsg.GetReadData(), outmsg.GetSize() );
}
}
/*
========================
idLobby::SendMigrationGameData
========================
*/
void idLobby::SendMigrationGameData()
{
if( net_migration_disable.GetBool() )
{
return;
}
if( sessionCB->GetState() != idSession::INGAME )
{
return;
}
if( !migrationInfo.persistUntilGameEndsData.hasGameData )
{
// Haven't been given any migration game data yet
return;
}
const int now = Sys_Milliseconds();
if( nextSendMigrationGameTime > now )
{
return;
}
byte packetData[ idPacketProcessor::MAX_MSG_SIZE ];
idBitMsg msg( packetData, sizeof( packetData ) );
// Write global data
msg.WriteData( &migrationInfo.persistUntilGameEndsData.gameData, sizeof( migrationInfo.persistUntilGameEndsData.gameData ) );
msg.WriteByte( GetNumLobbyUsers() );
// Write user data
for( int userIndex = 0; userIndex < GetNumLobbyUsers(); ++userIndex )
{
lobbyUser_t* u = GetLobbyUser( userIndex );
if( u->IsDisconnected() || u->migrationGameData < 0 )
{
continue;
}
u->lobbyUserID.WriteToMsg( msg );
msg.WriteData( migrationInfo.persistUntilGameEndsData.gameDataUser[ u->migrationGameData ], sizeof( migrationInfo.persistUntilGameEndsData.gameDataUser[ u->migrationGameData ] ) );
}
// Send to 1 peer
for( int i = 0; i < peers.Num(); i++ )
{
int peerToSend = ( nextSendMigrationGamePeer + i ) % peers.Num();
if( peers[ peerToSend ].IsConnected() && peers[ peerToSend ].loaded )
{
if( peers[ peerToSend ].packetProc->NumQueuedReliables() > idPacketProcessor::MAX_RELIABLE_QUEUE / 2 )
{
// This is kind of a hack for development so we don't DC clients by sending them too many reliable migration messages
// when they aren't responding. Doesn't seem like a horrible thing to have in a shipping product but is not necessary.
NET_VERBOSE_PRINT( "NET: Skipping reliable game migration data msg because client reliable queue is > half full\n" );
}
else
{
if( net_migration_debug.GetBool() )
{
idLib::Printf( "NET: Sending migration game data to peer %d. size: %d\n", peerToSend, msg.GetSize() );
}
QueueReliableMessage( peerToSend, RELIABLE_MIGRATION_GAME_DATA, msg.GetReadData(), msg.GetSize() );
}
break;
}
}
// Increment next send time / next send peer
nextSendMigrationGamePeer++;
if( nextSendMigrationGamePeer >= peers.Num() )
{
nextSendMigrationGamePeer = 0;
}
nextSendMigrationGameTime = now + MIGRATION_GAME_DATA_INTERVAL_MS;
}
/*
========================
idLobby::PickNewHostInternal
========================
*/
void idLobby::PickNewHostInternal( bool forceMe, bool inviteOldHost )
{
if( migrationInfo.state == MIGRATE_PICKING_HOST )
{
return; // Already picking new host
}
idLib::Printf( "PickNewHost: Started picking new host %s.\n", GetLobbyName() );
if( IsHost() )
{
idLib::Printf( "PickNewHost: Already host of session %s\n", GetLobbyName() );
return;
}
// Find the user with the lowest ping
int bestUserIndex = -1;
int bestPingMs = 0;
lobbyUserID_t bestUserId;
for( int i = 0; i < GetNumLobbyUsers(); i++ )
{
lobbyUser_t* user = GetLobbyUser( i );
if( !verify( user != NULL ) )
{
continue;
}
if( user->IsDisconnected() )
{
continue;
}
if( user->peerIndex == -1 )
{
continue; // Don't try and pick old host
}
if( bestUserIndex == -1 || IsBetterHost( user->pingMs, user->lobbyUserID, bestPingMs, bestUserId ) )
{
bestUserIndex = i;
bestPingMs = user->pingMs;
bestUserId = user->lobbyUserID;
}
if( user->peerIndex == net_migration_forcePeerAsHost.GetInteger() )
{
bestUserIndex = i;
bestPingMs = user->pingMs;
bestUserId = user->lobbyUserID;
break;
}
}
// Remember when we first started picking a new host
migrationInfo.state = MIGRATE_PICKING_HOST;
migrationInfo.migrationStartTime = Sys_Milliseconds();
migrationInfo.persistUntilGameEndsData.wasMigratedGame = sessionCB->GetState() == idSession::INGAME;
if( bestUserIndex == -1 ) // This can happen if we call PickNewHost on an lobby that was Shutdown
{
NET_VERBOSE_PRINT( "MIGRATION: PickNewHost was called on an lobby that was Shutdown\n" );
BecomeHost();
return;
}
NET_VERBOSE_PRINT( "MIGRATION: Chose user index %d (%s) for new host\n", bestUserIndex, GetLobbyUser( bestUserIndex )->gamertag );
bool bestWasLocal = IsSessionUserIndexLocal( bestUserIndex ); // Check before shutting down the lobby
migrateMsgFlags = parms.matchFlags; // Save off match parms
// Build invite list
BuildMigrationInviteList( inviteOldHost );
// If the best user is on this machine, then we become the host now, otherwise, wait for a new host to contact us
if( forceMe || bestWasLocal )
{
BecomeHost();
}
}
/*
========================
idLobby::CheckPeerThrottle
========================
*/
void idLobby::CheckPeerThrottle( int p )
{
assert( lobbyType == GetActingGameStateLobbyType() );
if( !verify( p >= 0 && p < peers.Num() ) )
{
return;
}
peer_t& peer = peers[p];
if( !peer.IsConnected() )
{
return;
}
if( !IsHost() )
{
return;
}
if( session->GetTitleStorageInt( "net_peer_throttle_mode", net_peer_throttle_mode.GetInteger() ) == 0 )
{
return;
}
if( peer.receivedBps < 0.0f )
{
return;
}
int time = Sys_Milliseconds();
if( !AllPeersHaveBaseState() )
{
return;
}
if( verify( peer.snapProc != NULL ) )
{
const int peer_throttle_minSnapSeq = session->GetTitleStorageInt( "net_peer_throttle_minSnapSeq", net_peer_throttle_minSnapSeq.GetInteger() );
if( peer.snapProc->GetFullSnapBaseSequence() <= idSnapshotProcessor::INITIAL_SNAP_SEQUENCE + peer_throttle_minSnapSeq )
{
return;
}
}
// This is bps throttling which compares the sent bytes per second to the reported received bps
float peer_throttle_bps_host_threshold = session->GetTitleStorageFloat( "net_peer_throttle_bps_host_threshold", net_peer_throttle_bps_host_threshold.GetFloat() );
if( peer_throttle_bps_host_threshold > 0.0f )
{
int deltaT = idMath::ClampInt( 0, 100, time - peer.receivedThrottleTime );
if( deltaT > 0 && peer.receivedThrottleTime > 0 && peer.receivedBpsIndex > 0 )
{
bool throttled = false;
float sentBps = peer.sentBpsHistory[ peer.receivedBpsIndex % MAX_BPS_HISTORY ];
// Min outgoing rate from server (don't throttle if we are sending < 1k)
if( sentBps > peer_throttle_bps_host_threshold )
{
float pct = peer.receivedBps / idMath::ClampFloat( 0.01f, static_cast<float>( BANDWIDTH_REPORTING_MAX ), sentBps ); // note the receivedBps is implicitly clamped on client end to 10k/sec
/*
static int lastSeq = 0;
if ( peer.receivedBpsIndex != lastSeq ) {
NET_VERBOSE_PRINT( "%ssentBpsHistory[%d] = %.2f received: %.2f PCT: %.2f \n", ( pct > 1.0f ? "^1" : "" ), peer.receivedBpsIndex, sentBps, peer.receivedBps, pct );
}
lastSeq = peer.receivedBpsIndex;
*/
// Increase throttle time if peer is < % of what we are sending him
if( pct < session->GetTitleStorageFloat( "net_peer_throttle_bps_peer_threshold_pct", net_peer_throttle_bps_peer_threshold_pct.GetFloat() ) )
{
peer.receivedThrottle += ( float )deltaT;
throttled = true;
NET_VERBOSE_PRINT( "NET: throttled... %.2f ....pct %.2f receivedBps %.2f outgoingBps %.2f, peer %i, seq %i\n", peer.receivedThrottle, pct, peer.receivedBps, sentBps, p, peer.snapProc->GetFullSnapBaseSequence() );
}
}
if( !throttled )
{
float decayRate = session->GetTitleStorageFloat( "net_peer_throttle_bps_decay", net_peer_throttle_bps_decay.GetFloat() );
peer.receivedThrottle = Max<float>( 0.0f, peer.receivedThrottle - ( ( ( float )deltaT ) * decayRate ) );
//NET_VERBOSE_PRINT("NET: !throttled... %.2f ....receivedBps %.2f outgoingBps %.2f\n", peer.receivedThrottle, peer.receivedBps, sentBps );
}
float duration = session->GetTitleStorageFloat( "net_peer_throttle_bps_duration", net_peer_throttle_bps_duration.GetFloat() );
if( peer.receivedThrottle > duration )
{
peer.maxSnapBps = peer.receivedBps * session->GetTitleStorageFloat( "net_snap_bw_test_throttle_max_scale", net_snap_bw_test_throttle_max_scale.GetFloat() );
int maxRate = common->GetSnapRate() * session->GetTitleStorageInt( "net_peer_throttle_maxSnapRate", net_peer_throttle_maxSnapRate.GetInteger() );
if( peer.throttledSnapRate == 0 )
{
peer.throttledSnapRate = common->GetSnapRate() * 2;
}
else if( peer.throttledSnapRate < maxRate )
{
peer.throttledSnapRate = idMath::ClampInt( common->GetSnapRate(), maxRate, peer.throttledSnapRate + common->GetSnapRate() );
}
peer.receivedThrottle = 0.0f; // Start over, so we don't immediately throttle again
}
}
peer.receivedThrottleTime = time;
}
}