servatrice/common/server.cpp
2012-03-17 19:05:22 +01:00

316 lines
9.8 KiB
C++

/***************************************************************************
* Copyright (C) 2008 by Max-Wilhelm Bruker *
* brukie@laptop *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "server.h"
#include "server_game.h"
#include "server_counter.h"
#include "server_room.h"
#include "server_protocolhandler.h"
#include "server_remoteuserinterface.h"
#include "pb/event_user_joined.pb.h"
#include "pb/event_user_left.pb.h"
#include "pb/event_list_rooms.pb.h"
#include "pb/session_event.pb.h"
#include "pb/isl_message.pb.h"
#include <QCoreApplication>
#include <QDebug>
Server::Server(QObject *parent)
: QObject(parent), nextGameId(0), nextReplayId(0), clientsLock(QReadWriteLock::Recursive)
{
qRegisterMetaType<ServerInfo_Game>("ServerInfo_Game");
qRegisterMetaType<ServerInfo_Room>("ServerInfo_Room");
qRegisterMetaType<ServerInfo_User>("ServerInfo_User");
}
Server::~Server()
{
}
void Server::prepareDestroy()
{
clientsLock.lockForWrite();
while (!clients.isEmpty())
clients.first()->prepareDestroy();
clientsLock.unlock();
roomsLock.lockForWrite();
QMapIterator<int, Server_Room *> roomIterator(rooms);
while (roomIterator.hasNext())
delete roomIterator.next().value();
rooms.clear();
roomsLock.unlock();
}
AuthenticationResult Server::loginUser(Server_ProtocolHandler *session, QString &name, const QString &password, QString &reasonStr)
{
if (name.size() > 35)
name = name.left(35);
QWriteLocker locker(&clientsLock);
AuthenticationResult authState = checkUserPassword(session, name, password, reasonStr);
if ((authState == NotLoggedIn) || (authState == UserIsBanned))
return authState;
ServerInfo_User data = getUserData(name, true);
data.set_address(session->getAddress().toStdString());
name = QString::fromStdString(data.name()); // Compensate for case indifference
lockSessionTables();
if (authState == PasswordRight) {
if (users.contains(name) || userSessionExists(name)) {
qDebug("Login denied: would overwrite old session");
unlockSessionTables();
return WouldOverwriteOldSession;
}
} else if (authState == UnknownUser) {
// Change user name so that no two users have the same names,
// don't interfere with registered user names though.
QString tempName = name;
int i = 0;
while (users.contains(tempName) || userExists(tempName) || userSessionExists(tempName))
tempName = name + "_" + QString::number(++i);
name = tempName;
data.set_name(name.toStdString());
}
session->setUserInfo(data);
users.insert(name, session);
qDebug() << "Server::loginUser: name=" << name;
session->setSessionId(startSession(name, session->getAddress()));
unlockSessionTables();
qDebug() << "session id:" << session->getSessionId();
Event_UserJoined event;
event.mutable_user_info()->CopyFrom(session->copyUserInfo(false));
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsUserListChanges())
clients[i]->sendProtocolItem(*se);
locker.unlock();
sendIslMessage(*se);
delete se;
return authState;
}
void Server::addClient(Server_ProtocolHandler *client)
{
QWriteLocker locker(&clientsLock);
clients << client;
}
void Server::removeClient(Server_ProtocolHandler *client)
{
QWriteLocker locker(&clientsLock);
clients.removeAt(clients.indexOf(client));
ServerInfo_User *data = client->getUserInfo();
if (data) {
Event_UserLeft event;
event.set_name(data->name());
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsUserListChanges())
clients[i]->sendProtocolItem(*se);
sendIslMessage(*se);
delete se;
users.remove(QString::fromStdString(data->name()));
qDebug() << "Server::removeClient: name=" << QString::fromStdString(data->name());
if (client->getSessionId() != -1)
endSession(client->getSessionId());
qDebug() << "closed session id:" << client->getSessionId();
}
qDebug() << "Server::removeClient:" << clients.size() << "clients; " << users.size() << "users left";
}
void Server::externalUserJoined(const ServerInfo_User &userInfo)
{
// This function is always called from the main thread via signal/slot.
QWriteLocker locker(&clientsLock);
externalUsers.insert(QString::fromStdString(userInfo.name()), new Server_RemoteUserInterface(this, ServerInfo_User_Container(userInfo)));
Event_UserJoined event;
event.mutable_user_info()->CopyFrom(userInfo);
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsUserListChanges())
clients[i]->sendProtocolItem(*se);
delete se;
}
void Server::externalUserLeft(const QString &userName)
{
// This function is always called from the main thread via signal/slot.
QWriteLocker locker(&clientsLock);
delete externalUsers.take(userName);
Event_UserLeft event;
event.set_name(userName.toStdString());
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsUserListChanges())
clients[i]->sendProtocolItem(*se);
delete se;
}
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);
}
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::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::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::broadcastRoomUpdate(const ServerInfo_Room &roomInfo, bool sendToIsl)
{
Event_ListRooms event;
event.add_room_list()->CopyFrom(roomInfo);
SessionEvent *se = Server_ProtocolHandler::prepareSessionEvent(event);
clientsLock.lockForRead();
for (int i = 0; i < clients.size(); ++i)
if (clients[i]->getAcceptsRoomListChanges())
clients[i]->sendProtocolItem(*se);
clientsLock.unlock();
if (sendToIsl)
sendIslMessage(*se);
delete se;
}
void Server::addRoom(Server_Room *newRoom)
{
QWriteLocker locker(&roomsLock);
qDebug() << "Adding room: ID=" << newRoom->getId() << "name=" << newRoom->getName();
rooms.insert(newRoom->getId(), newRoom);
connect(newRoom, SIGNAL(roomInfoChanged(ServerInfo_Room)), this, SLOT(broadcastRoomUpdate(const ServerInfo_Room &)), Qt::QueuedConnection);
}
int Server::getUsersCount() const
{
QReadLocker locker(&clientsLock);
return users.size();
}
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();
QMutexLocker roomLocker(&room->gamesMutex);
result += room->getGames().size();
}
return result;
}
void Server::sendIslMessage(const Response &item, int serverId)
{
IslMessage msg;
msg.set_message_type(IslMessage::RESPONSE);
msg.mutable_response()->CopyFrom(item);
doSendIslMessage(msg, serverId);
}
void Server::sendIslMessage(const SessionEvent &item, int serverId)
{
IslMessage msg;
msg.set_message_type(IslMessage::SESSION_EVENT);
msg.mutable_session_event()->CopyFrom(item);
doSendIslMessage(msg, serverId);
}
void Server::sendIslMessage(const GameEventContainer &item, int serverId)
{
IslMessage msg;
msg.set_message_type(IslMessage::GAME_EVENT_CONTAINER);
msg.mutable_game_event_container()->CopyFrom(item);
doSendIslMessage(msg, serverId);
}
void Server::sendIslMessage(const RoomEvent &item, int serverId)
{
IslMessage msg;
msg.set_message_type(IslMessage::ROOM_EVENT);
msg.mutable_room_event()->CopyFrom(item);
doSendIslMessage(msg, serverId);
}