void Server::externalJoinGameCommandReceived(const Command_JoinGame &cmd, int cmdId, int roomId, int serverId, qint64 sessionId)
{
// This function is always called from the main thread via signal/slot.
try {
QReadLocker roomsLocker(&roomsLock);
QReadLocker clientsLocker(&clientsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalJoinGameCommandReceived: room id=" << roomId << "not found";
throw Response::RespNotInRoom;
}
Server_AbstractUserInterface *userInterface = externalUsersBySessionId.value(sessionId);
if (!userInterface) {
qDebug() << "externalJoinGameCommandReceived: session id=" << sessionId << "not found";
throw Response::RespNotInRoom;
}
ResponseContainer responseContainer(cmdId);
Response::ResponseCode responseCode = room->processJoinGameCommand(cmd, responseContainer, userInterface);
userInterface->sendResponseContainer(responseContainer, responseCode);
} catch (Response::ResponseCode code) {
Response response;
response.set_cmd_id(cmdId);
response.set_response_code(code);
sendIsl_Response(response, serverId, sessionId);
}
}
IslInterface::~IslInterface()
{
logger->logMessage("[ISL] session ended", this);
flushOutputBuffer();
// As these signals are connected with Qt::QueuedConnection implicitly,
// we don't need to worry about them modifying the lists while we're iterating.
server->roomsLock.lockForRead();
QMapIterator<int, Server_Room *> roomIterator(server->getRooms());
while (roomIterator.hasNext()) {
Server_Room *room = roomIterator.next().value();
room->usersLock.lockForRead();
QMapIterator<QString, ServerInfo_User_Container> roomUsers(room->getExternalUsers());
while (roomUsers.hasNext()) {
roomUsers.next();
if (roomUsers.value().getUserInfo()->server_id() == serverId)
emit externalRoomUserLeft(room->getId(), roomUsers.key());
}
room->usersLock.unlock();
}
server->roomsLock.unlock();
server->clientsLock.lockForRead();
QMapIterator<QString, Server_AbstractUserInterface *> extUsers(server->getExternalUsers());
while (extUsers.hasNext()) {
extUsers.next();
if (extUsers.value()->getUserInfo()->server_id() == serverId)
emit externalUserLeft(extUsers.key());
}
server->clientsLock.unlock();
}
Response::ResponseCode Server_ProtocolHandler::cmdGetGamesOfUser(const Command_GetGamesOfUser &cmd, ResponseContainer &rc)
{
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
// We don't need to check whether the user is logged in; persistent games should also work.
// The client needs to deal with an empty result list.
Response_GetGamesOfUser *re = new Response_GetGamesOfUser;
server->roomsLock.lockForRead();
QMapIterator<int, Server_Room *> roomIterator(server->getRooms());
while (roomIterator.hasNext()) {
Server_Room *room = roomIterator.next().value();
room->gamesLock.lockForRead();
room->getInfo(*re->add_room_list(), false, true);
QListIterator<ServerInfo_Game> gameIterator(room->getGamesOfUser(QString::fromStdString(cmd.user_name())));
while (gameIterator.hasNext())
re->add_game_list()->CopyFrom(gameIterator.next());
room->gamesLock.unlock();
}
server->roomsLock.unlock();
rc.setResponseExtension(re);
return Response::RespOk;
}
void Server_AbstractUserInterface::joinPersistentGames(ResponseContainer &rc)
{
QList<PlayerReference> gamesToJoin = server->getPersistentPlayerReferences(QString::fromStdString(userInfo->name()));
server->roomsLock.lockForRead();
for (int i = 0; i < gamesToJoin.size(); ++i) {
const PlayerReference &pr = gamesToJoin.at(i);
Server_Room *room = server->getRooms().value(pr.getRoomId());
if (!room)
continue;
QReadLocker roomGamesLocker(&room->gamesLock);
Server_Game *game = room->getGames().value(pr.getGameId());
if (!game)
continue;
QMutexLocker gameLocker(&game->gameMutex);
Server_Player *player = game->getPlayers().value(pr.getPlayerId());
player->setUserInterface(this);
playerAddedToGame(game->getGameId(), room->getId(), player->getPlayerId());
game->createGameJoinedEvent(player, rc, true);
}
server->roomsLock.unlock();
}
void Server::externalGameCommandContainerReceived(const CommandContainer &cont, int playerId, int serverId, qint64 sessionId)
{
// This function is always called from the main thread via signal/slot.
try {
ResponseContainer responseContainer(cont.cmd_id());
Response::ResponseCode finalResponseCode = Response::RespOk;
QReadLocker roomsLocker(&roomsLock);
Server_Room *room = rooms.value(cont.room_id());
if (!room) {
qDebug() << "externalGameCommandContainerReceived: room id=" << cont.room_id() << "not found";
throw Response::RespNotInRoom;
}
QReadLocker roomGamesLocker(&room->gamesLock);
Server_Game *game = room->getGames().value(cont.game_id());
if (!game) {
qDebug() << "externalGameCommandContainerReceived: game id=" << cont.game_id() << "not found";
throw Response::RespNotInRoom;
}
QMutexLocker gameLocker(&game->gameMutex);
Server_Player *player = game->getPlayers().value(playerId);
if (!player) {
qDebug() << "externalGameCommandContainerReceived: player id=" << playerId << "not found";
throw Response::RespNotInRoom;
}
GameEventStorage ges;
for (int i = cont.game_command_size() - 1; i >= 0; --i) {
const GameCommand &sc = cont.game_command(i);
qDebug() << "[ISL]" << QString::fromStdString(sc.ShortDebugString());
Response::ResponseCode resp = player->processGameCommand(sc, responseContainer, ges);
if (resp != Response::RespOk)
finalResponseCode = resp;
}
ges.sendToGame(game);
if (finalResponseCode != Response::RespNothing) {
player->playerMutex.lock();
player->getUserInterface()->sendResponseContainer(responseContainer, finalResponseCode);
player->playerMutex.unlock();
}
} catch (Response::ResponseCode code) {
Response response;
response.set_cmd_id(cont.cmd_id());
response.set_response_code(code);
sendIsl_Response(response, serverId, sessionId);
}
}
int Server::getGamesCount() const
{
int result = 0;
QReadLocker locker(&roomsLock);
QMapIterator<int, Server_Room *> roomIterator(rooms);
while (roomIterator.hasNext()) {
Server_Room *room = roomIterator.next().value();
QReadLocker roomLocker(&room->gamesLock);
result += room->getGames().size();
}
return result;
}
void Server::externalRoomSay(int roomId, const QString &userName, const QString &message)
{
// This function is always called from the main thread via signal/slot.
QReadLocker locker(&roomsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalRoomSay: room id=" << roomId << "not found";
return;
}
room->say(userName, message, false);
}
void Server::externalRoomUserLeft(int roomId, const QString &userName)
{
// This function is always called from the main thread via signal/slot.
QReadLocker locker(&roomsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalRoomUserLeft: room id=" << roomId << "not found";
return;
}
room->removeExternalUser(userName);
}
void Server::externalRoomUserJoined(int roomId, const ServerInfo_User &userInfo)
{
// This function is always called from the main thread via signal/slot.
QReadLocker locker(&roomsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalRoomUserJoined: room id=" << roomId << "not found";
return;
}
room->addExternalUser(userInfo);
}
Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoom &cmd, ResponseContainer &rc)
{
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
if (rooms.contains(cmd.room_id()))
return Response::RespContextError;
QReadLocker serverLocker(&server->roomsLock);
Server_Room *r = server->getRooms().value(cmd.room_id(), 0);
if (!r)
return Response::RespNameNotFound;
QString roomPermission = r->getRoomPermission().toLower();
if (roomPermission != "none"){
if (roomPermission == "registered") {
if (!(userInfo->user_level() & ServerInfo_User::IsRegistered))
return Response::RespUserLevelTooLow;
}
if (roomPermission == "moderator"){
if (!(userInfo->user_level() & ServerInfo_User::IsModerator))
return Response::RespUserLevelTooLow;
}
if (roomPermission == "administrator"){
if (!(userInfo->user_level() & ServerInfo_User::IsAdmin))
return Response::RespUserLevelTooLow;
}
}
r->addClient(this);
rooms.insert(r->getId(), r);
Event_RoomSay joinMessageEvent;
joinMessageEvent.set_message(r->getJoinMessage().toStdString());
joinMessageEvent.set_message_type(Event_RoomSay::Welcome);
rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(joinMessageEvent));
QReadLocker chatHistoryLocker(&r->historyLock);
QList<ServerInfo_ChatMessage> chatHistory = r->getChatHistory();
ServerInfo_ChatMessage chatMessage;
for (int i = 0; i < chatHistory.size(); ++i) {
chatMessage = chatHistory.at(i);
qDebug() << QString::fromStdString(chatMessage.message()).simplified();
Event_RoomSay roomChatHistory;
roomChatHistory.set_message(chatMessage.sender_name() + ": " + chatMessage.message());
roomChatHistory.set_message_type(Event_RoomSay::ChatHistory);
roomChatHistory.set_time_of(QDateTime::fromString(QString::fromStdString(chatMessage.time())).toMSecsSinceEpoch());
rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(roomChatHistory));
}
Response_JoinRoom *re = new Response_JoinRoom;
r->getInfo(*re->mutable_room_info(), true);
rc.setResponseExtension(re);
return Response::RespOk;
}
void Server::externalRoomGameListChanged(int roomId, const ServerInfo_Game &gameInfo)
{
// This function is always called from the main thread via signal/slot.
QReadLocker locker(&roomsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalRoomGameListChanged: room id=" << roomId << "not found";
return;
}
room->updateExternalGameList(gameInfo);
}
void Server::externalRoomSay(int roomId, const QString &userName, const QString &message)
{
// This function is always called from the main thread via signal/slot.
QReadLocker locker(&roomsLock);
Server_Room *room = rooms.value(roomId);
if (!room) {
qDebug() << "externalRoomSay: room id=" << roomId << "not found";
return;
}
room->say(userName, message, false);
getDatabaseInterface()->logMessage(0, userName, "ISL", message, Server_DatabaseInterface::MessageTargetIslRoom, room->getId(), room->getName());
}
Response::ResponseCode Server_ProtocolHandler::processGameCommandContainer(const CommandContainer &cont, ResponseContainer &rc)
{
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
QMap<int, QPair<int, int> > gameMap = getGames();
if (!gameMap.contains(cont.game_id()))
return Response::RespNotInRoom;
const QPair<int, int> roomIdAndPlayerId = gameMap.value(cont.game_id());
QReadLocker roomsLocker(&server->roomsLock);
Server_Room *room = server->getRooms().value(roomIdAndPlayerId.first);
if (!room)
return Response::RespNotInRoom;
QReadLocker roomGamesLocker(&room->gamesLock);
Server_Game *game = room->getGames().value(cont.game_id());
if (!game) {
if (room->getExternalGames().contains(cont.game_id())) {
server->sendIsl_GameCommand(cont,
room->getExternalGames().value(cont.game_id()).server_id(),
userInfo->session_id(),
roomIdAndPlayerId.first,
roomIdAndPlayerId.second
);
return Response::RespNothing;
}
return Response::RespNotInRoom;
}
QMutexLocker gameLocker(&game->gameMutex);
Server_Player *player = game->getPlayers().value(roomIdAndPlayerId.second);
if (!player)
return Response::RespNotInRoom;
GameEventStorage ges;
Response::ResponseCode finalResponseCode = Response::RespOk;
for (int i = cont.game_command_size() - 1; i >= 0; --i) {
const GameCommand &sc = cont.game_command(i);
logDebugMessage(QString("game %1 player %2: ").arg(cont.game_id()).arg(roomIdAndPlayerId.second) + QString::fromStdString(sc.ShortDebugString()));
Response::ResponseCode resp = player->processGameCommand(sc, rc, ges);
if (resp != Response::RespOk)
finalResponseCode = resp;
}
ges.sendToGame(game);
return finalResponseCode;
}
void Server::externalUserLeft(const QString &userName)
{
// This function is always called from the main thread via signal/slot.
clientsLock.lockForWrite();
Server_AbstractUserInterface *user = externalUsers.take(userName);
externalUsersBySessionId.remove(user->getUserInfo()->session_id());
clientsLock.unlock();
QMap<int, QPair<int, int> > userGames(user->getGames());
QMapIterator<int, QPair<int, int> > userGamesIterator(userGames);
roomsLock.lockForRead();
while (userGamesIterator.hasNext()) {
userGamesIterator.next();
Server_Room *room = rooms.value(userGamesIterator.value().first);
if (!room)
continue;
QReadLocker roomGamesLocker(&room->gamesLock);
Server_Game *game = room->getGames().value(userGamesIterator.key());
if (!game)
continue;
QMutexLocker gameLocker(&game->gameMutex);
Server_Player *player = game->getPlayers().value(userGamesIterator.value().second);
if (!player)
continue;
player->disconnectClient();
}
roomsLock.unlock();
delete user;
Event_UserLeft event;
event.set_name(userName.toStdString());
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
clientsLock.lockForRead();
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsUserListChanges())
clients[i]->sendProtocolItem(*se);
clientsLock.unlock();
delete se;
}
// This function must only be called from the thread this object lives in.
// The thread must not hold any server locks when calling this (e.g. clientsLock, roomsLock).
void Server_ProtocolHandler::prepareDestroy()
{
if (deleted)
return;
deleted = true;
QMapIterator<int, Server_Room *> roomIterator(rooms);
while (roomIterator.hasNext())
roomIterator.next().value()->removeClient(this);
QMap<int, QPair<int, int> > tempGames(getGames());
server->roomsLock.lockForRead();
QMapIterator<int, QPair<int, int> > gameIterator(tempGames);
while (gameIterator.hasNext()) {
gameIterator.next();
Server_Room *r = server->getRooms().value(gameIterator.value().first);
if (!r)
continue;
r->gamesLock.lockForRead();
Server_Game *g = r->getGames().value(gameIterator.key());
if (!g) {
r->gamesLock.unlock();
continue;
}
g->gameMutex.lock();
Server_Player *p = g->getPlayers().value(gameIterator.value().second);
if (!p) {
g->gameMutex.unlock();
r->gamesLock.unlock();
continue;
}
p->disconnectClient();
g->gameMutex.unlock();
r->gamesLock.unlock();
}
server->roomsLock.unlock();
server->removeClient(this);
deleteLater();
}
Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoom &cmd, ResponseContainer &rc)
{
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
if (rooms.contains(cmd.room_id()))
return Response::RespContextError;
QReadLocker serverLocker(&server->roomsLock);
Server_Room *r = server->getRooms().value(cmd.room_id(), 0);
if (!r)
return Response::RespNameNotFound;
r->addClient(this);
rooms.insert(r->getId(), r);
Event_RoomSay joinMessageEvent;
joinMessageEvent.set_message(r->getJoinMessage().toStdString());
rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(joinMessageEvent));
Response_JoinRoom *re = new Response_JoinRoom;
r->getInfo(*re->mutable_room_info(), true);
rc.setResponseExtension(re);
return Response::RespOk;
}
Response::ResponseCode Server_ProtocolHandler::cmdJoinRoom(const Command_JoinRoom &cmd, ResponseContainer &rc)
{
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
if (rooms.contains(cmd.room_id()))
return Response::RespContextError;
QReadLocker serverLocker(&server->roomsLock);
Server_Room *r = server->getRooms().value(cmd.room_id(), 0);
if (!r)
return Response::RespNameNotFound;
QString roomPermission = r->getRoomPermission().toLower();
if (roomPermission != "none"){
if (roomPermission == "registered") {
if (!(userInfo->user_level() & ServerInfo_User::IsRegistered))
return Response::RespUserLevelTooLow;
}
if (roomPermission == "moderator"){
if (!(userInfo->user_level() & ServerInfo_User::IsModerator))
return Response::RespUserLevelTooLow;
}
if (roomPermission == "administrator"){
if (!(userInfo->user_level() & ServerInfo_User::IsAdmin))
return Response::RespUserLevelTooLow;
}
}
r->addClient(this);
rooms.insert(r->getId(), r);
Event_RoomSay joinMessageEvent;
joinMessageEvent.set_message(r->getJoinMessage().toStdString());
rc.enqueuePostResponseItem(ServerMessage::ROOM_EVENT, r->prepareRoomEvent(joinMessageEvent));
Response_JoinRoom *re = new Response_JoinRoom;
r->getInfo(*re->mutable_room_info(), true);
rc.setResponseExtension(re);
return Response::RespOk;
}
ResponseCode Server_ProtocolHandler::cmdJoinRoom(Command_JoinRoom *cmd, CommandContainer *cont)
{
if (authState == PasswordWrong)
return RespLoginNeeded;
if (rooms.contains(cmd->getRoomId()))
return RespContextError;
Server_Room *r = server->getRooms().value(cmd->getRoomId(), 0);
if (!r)
return RespNameNotFound;
r->addClient(this);
rooms.insert(r->getId(), r);
enqueueProtocolItem(new Event_RoomSay(r->getId(), QString(), r->getJoinMessage()));
cont->setResponse(new Response_JoinRoom(cont->getCmdId(), RespOk, r->getInfo(true)));
return RespNothing;
}
Response::ResponseCode Server_ProtocolHandler::processGameCommandContainer(const CommandContainer &cont, ResponseContainer &rc)
{
static QList<GameCommand::GameCommandType> antifloodCommandsWhiteList = QList<GameCommand::GameCommandType>()
// draw/undo card draw (example: drawing 10 cards one by one from the deck)
<< GameCommand::DRAW_CARDS
<< GameCommand::UNDO_DRAW
// create, delete arrows (example: targeting with 10 cards during an attack)
<< GameCommand::CREATE_ARROW
<< GameCommand::DELETE_ARROW
// set card attributes (example: tapping 10 cards at once)
<< GameCommand::SET_CARD_ATTR
// increment / decrement counter (example: -10 life points one by one)
<< GameCommand::INC_COUNTER
// mulling lots of hands in a row
<< GameCommand::MULLIGAN
// allows a user to sideboard without receiving flooding message
<< GameCommand::MOVE_CARD;
if (authState == NotLoggedIn)
return Response::RespLoginNeeded;
QMap<int, QPair<int, int> > gameMap = getGames();
if (!gameMap.contains(cont.game_id()))
return Response::RespNotInRoom;
const QPair<int, int> roomIdAndPlayerId = gameMap.value(cont.game_id());
QReadLocker roomsLocker(&server->roomsLock);
Server_Room *room = server->getRooms().value(roomIdAndPlayerId.first);
if (!room)
return Response::RespNotInRoom;
QReadLocker roomGamesLocker(&room->gamesLock);
Server_Game *game = room->getGames().value(cont.game_id());
if (!game) {
if (room->getExternalGames().contains(cont.game_id())) {
server->sendIsl_GameCommand(cont,
room->getExternalGames().value(cont.game_id()).server_id(),
userInfo->session_id(),
roomIdAndPlayerId.first,
roomIdAndPlayerId.second
);
return Response::RespNothing;
}
return Response::RespNotInRoom;
}
QMutexLocker gameLocker(&game->gameMutex);
Server_Player *player = game->getPlayers().value(roomIdAndPlayerId.second);
if (!player)
return Response::RespNotInRoom;
int commandCountingInterval = server->getCommandCountingInterval();
int maxCommandCountPerInterval = server->getMaxCommandCountPerInterval();
GameEventStorage ges;
Response::ResponseCode finalResponseCode = Response::RespOk;
for (int i = cont.game_command_size() - 1; i >= 0; --i) {
const GameCommand &sc = cont.game_command(i);
logDebugMessage(QString("game %1 player %2: ").arg(cont.game_id()).arg(roomIdAndPlayerId.second) + QString::fromStdString(sc.ShortDebugString()));
if (commandCountingInterval > 0) {
int totalCount = 0;
if (commandCountOverTime.isEmpty())
commandCountOverTime.prepend(0);
if(!antifloodCommandsWhiteList.contains((GameCommand::GameCommandType) getPbExtension(sc)))
++commandCountOverTime[0];
for (int i = 0; i < commandCountOverTime.size(); ++i)
totalCount += commandCountOverTime[i];
if (totalCount > maxCommandCountPerInterval)
return Response::RespChatFlood;
}
Response::ResponseCode resp = player->processGameCommand(sc, rc, ges);
if (resp != Response::RespOk)
finalResponseCode = resp;
}
ges.sendToGame(game);
return finalResponseCode;
}
void IslInterface::initServer()
{
socket->setSocketDescriptor(socketDescriptor);
logger->logMessage(QString("[ISL] incoming connection: %1").arg(socket->peerAddress().toString()));
QList<ServerProperties> serverList = server->getServerList();
int listIndex = -1;
for (int i = 0; i < serverList.size(); ++i)
if (serverList[i].address == socket->peerAddress()) {
listIndex = i;
break;
}
if (listIndex == -1) {
logger->logMessage(QString("[ISL] address %1 unknown, terminating connection").arg(socket->peerAddress().toString()));
deleteLater();
return;
}
socket->startServerEncryption();
if (!socket->waitForEncrypted(5000)) {
QList<QSslError> sslErrors(socket->sslErrors());
if (sslErrors.isEmpty())
qDebug() << "[ISL] SSL handshake timeout, terminating connection";
else
qDebug() << "[ISL] SSL errors:" << sslErrors;
deleteLater();
return;
}
if (serverList[listIndex].cert == socket->peerCertificate())
logger->logMessage(QString("[ISL] Peer authenticated as " + serverList[listIndex].hostname));
else {
logger->logMessage(QString("[ISL] Authentication failed, terminating connection"));
deleteLater();
return;
}
serverId = serverList[listIndex].id;
Event_ServerCompleteList event;
event.set_server_id(server->getServerId());
server->clientsLock.lockForRead();
QMapIterator<QString, Server_ProtocolHandler *> userIterator(server->getUsers());
while (userIterator.hasNext())
event.add_user_list()->CopyFrom(userIterator.next().value()->copyUserInfo(true, true));
server->clientsLock.unlock();
server->roomsLock.lockForRead();
QMapIterator<int, Server_Room *> roomIterator(server->getRooms());
while (roomIterator.hasNext()) {
Server_Room *room = roomIterator.next().value();
room->usersLock.lockForRead();
room->gamesLock.lockForRead();
room->getInfo(*event.add_room_list(), true, true, false, false);
}
IslMessage message;
message.set_message_type(IslMessage::SESSION_EVENT);
SessionEvent *sessionEvent = message.mutable_session_event();
sessionEvent->GetReflection()->MutableMessage(sessionEvent, event.GetDescriptor()->FindExtensionByName("ext"))->CopyFrom(event);
server->islLock.lockForWrite();
if (server->islConnectionExists(serverId)) {
qDebug() << "[ISL] Duplicate connection to #" << serverId << "terminating connection";
deleteLater();
} else {
transmitMessage(message);
server->addIslInterface(serverId, this);
}
server->islLock.unlock();
roomIterator.toFront();
while (roomIterator.hasNext()) {
roomIterator.next();
roomIterator.value()->gamesLock.unlock();
roomIterator.value()->usersLock.unlock();
}
server->roomsLock.unlock();
}
