Limit Guests users

src/net/common/netpacket.cpp

@@ -248,8 +248,8 @@ NetPacket::GameErrorToNetError(int gameErrorReason)
 	case ERR_NET_SESSION_TIMED_OUT :
 		retVal = ErrorMessage::sessionTimeout;
 		break;
-	case ERR_NET_TOO_MANY_GUESTS :
-		retVal = ErrorMessage::initServerFull; // @TODO: maybe create a better error message
+	case ERR_NET_FULL_GUESTS :
+		retVal = ErrorMessage::initServerFull; // LG: @TODO: maybe create a better error message, if possible
 		break; 
 	default :
 		retVal = ErrorMessage::reserved;

src/net/common/serverlobbythread.cpp

@@ -65,7 +65,7 @@
 
 #define SERVER_MAX_NUM_LOBBY_SESSIONS				512		// Maximum number of idle users in lobby.
 #define SERVER_MAX_NUM_TOTAL_SESSIONS				2000	// Total maximum of sessions, fitting a 2048 handle limit
-#define SERVER_MAX_GUEST_USERS							150 // Maximum number of guests users allowed
+#define SERVER_MAX_GUEST_USERS						100		// LG: Maximum number of guests users allowed
 
 #define SERVER_SAVE_STATISTICS_INTERVAL_SEC			60
 #define SERVER_CHECK_SESSION_TIMEOUTS_INTERVAL_MSEC	500
@@ -223,7 +223,7 @@ ServerLobbyThread::ServerLobbyThread(GuiInterface &gui, ServerMode mode, ServerI
 	  m_mode(mode), m_serverConfig(serverConfig), m_curGameId(0), m_curUniquePlayerId(0), m_curSessionId(INVALID_SESSION + 1),
 	  m_statDataChanged(false), m_removeGameTimer(*ioService),
 	  m_saveStatisticsTimer(*ioService), m_loginLockTimer(*ioService),
-	  m_startTime(boost::posix_time::second_clock::local_time())
+	  m_startTime(boost::posix_time::second_clock::local_time()), guests_(0)
 {
 	m_internalServerCallback.reset(new InternalServerCallback(*this));
 	m_sender.reset(new SenderHelper(m_ioService));
@@ -398,7 +398,7 @@ ServerLobbyThread::CloseSession(boost::shared_ptr<SessionData> session)
 
 		if (session->GetPlayerData()){
 			if (session->GetPlayerData()->GetRights() == PLAYER_RIGHTS_GUEST) {
-        m_sessionManager.DecrementGuest();
+				DecrementGuests();
 			}
 			NotifyPlayerLeftLobby(session->GetPlayerData()->GetUniqueId());
 		}
@@ -1015,7 +1015,6 @@ ServerLobbyThread::HandleNetPacketInit(boost::shared_ptr<SessionData> session, c
   // @XXX: debug tests
   //if(m_sessionManager.IsGuestConnectedMultiple(session->GetClientAddr())){
   //  LOG_ERROR("Guest with IP " << session->GetClientAddr() << " already connected! Should be declined!");
-  //LOG_ERROR("number of guests (before this session is accepted) = " << m_sessionManager.GetGuestUsers() << ".");
   //}
   // @XXX: end debug tests
 
@@ -1074,18 +1073,21 @@ ServerLobbyThread::HandleNetPacketInit(boost::shared_ptr<SessionData> session, c
       // @XXX: check if a guest session with same ip is already connected - decline if true
       if(m_sessionManager.IsGuestConnectedMultiple(session->GetClientAddr())){
         //LOG_ERROR("Guest with IP " << session->GetClientAddr() << " already connected! Decline!");
-        SessionError(session, ERR_NET_TOO_MANY_GUESTS);
-        return;
-      }
-      if (m_sessionManager.GetGuestUsers() >= SERVER_MAX_GUEST_USERS) { 
-        SessionError(session, ERR_NET_TOO_MANY_GUESTS);
+		SessionError(session, ERR_NET_FULL_GUESTS);
         return;
       }
 		}
+
 		if (!validGuest) {
 			SessionError(session, ERR_NET_INVALID_PLAYER_NAME);
 			return;
 		}
+		// LG: If user is guest, and SERVER_MAX_GUEST_USERS reached, don't allow connection.
+		else if (getGuests() > SERVER_MAX_GUEST_USERS) {
+			SessionError(session, ERR_NET_FULL_GUESTS);
+			return;
+		}
+
 	}
 #ifdef POKERTH_OFFICIAL_SERVER
 	else if (initMessage.login() == InitMessage::authenticatedLogin) {
@@ -1146,10 +1148,6 @@ ServerLobbyThread::HandleNetPacketInit(boost::shared_ptr<SessionData> session, c
 	m_sessionManager.SetSessionPlayerData(session->GetId(), tmpPlayerData);
 	session->SetPlayerData(tmpPlayerData);
 
-  if (validGuest){
-    m_sessionManager.IncrementGuest();
-  }
-
 	if (noAuth)
 		InitAfterLogin(session);
 	else
@@ -1764,6 +1762,11 @@ ServerLobbyThread::EstablishSession(boost::shared_ptr<SessionData> session)
 	// Session is now established.
 	session->SetState(SessionData::Established);
 
+	// LG: Increment guests
+	if (session->GetPlayerData()->GetRights() == PLAYER_RIGHTS_GUEST) {
+		IncrementGuests();
+	}
+
 	{
 		boost::mutex::scoped_lock lock(m_statMutex);
 		++m_statData.totalPlayersEverLoggedIn;
@@ -2394,3 +2397,15 @@ ServerLobbyThread::GetRejoinGameIdForPlayer(const std::string &playerName, const
 	return retGameId;
 }
 
+// LG: Handle guests_ variable. Remove in production to access variable itself
+void ServerLobbyThread::DecrementGuests(){
+	this->guests_.fetch_sub(1);
+}
+
+void ServerLobbyThread::IncrementGuests() {
+	this->guests_.fetch_add(1);
+}
+
+int ServerLobbyThread::getGuests() {
+	return this->guests_;
+}

src/net/common/sessionmanager.cpp

@@ -39,7 +39,6 @@ using namespace std;
 
 SessionManager::SessionManager()
 {
-  guestUsers = 0;
 }
 
 SessionManager::~SessionManager()
@@ -433,18 +432,3 @@ SessionManager::SendToAllButOneSessions(SenderHelper &sender, boost::shared_ptr<
 		++i;
 	}
 }
-
-void
-SessionManager::IncrementGuest() { 
-	guestUsers++; 
-}
-
-void
-SessionManager::DecrementGuest() { 
-	guestUsers--; 
-}
-
-int
-SessionManager::GetGuestUsers() const { 
-	return guestUsers; 
-}

src/net/serverlobbythread.h

@@ -36,6 +36,7 @@
 #include <boost/asio.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/uuid/uuid_generators.hpp>
+#include <boost/atomic.hpp>
 
 #include <net/sessionmanager.h>
 #include <net/netpacket.h>
@@ -224,6 +225,11 @@ protected:
 
 	u_int32_t GetRejoinGameIdForPlayer(const std::string &playerName, const std::string &guid, unsigned &outPlayerUniqueId);
 
+	// LG: Handle guests_ counter. NOTE: These functions in production could be removed and access directly to guest_
+	void IncrementGuests();
+	void DecrementGuests();
+	int getGuests();
+
 private:
 
 	boost::shared_ptr<boost::asio::io_service> m_ioService;
@@ -276,6 +282,9 @@ private:
 
 	const boost::posix_time::ptime m_startTime;
 
+	// LG: guest_ is thread safe, even if ServerLobbyThread pointer is shared accross the code, as long as it is ONLY ONE running instance
+	boost::atomic<int> guests_;
+
 	friend class InternalServerCallback;
 };
 

src/net/sessionmanager.h

@@ -80,10 +80,6 @@ public:
 	void SendLobbyMsgToAllSessions(SenderHelper &sender, boost::shared_ptr<NetPacket> packet, int state);
 	void SendToAllButOneSessions(SenderHelper &sender, boost::shared_ptr<NetPacket> packet, SessionId except, int state);
 
-	void IncrementGuest(); 
-	void DecrementGuest(); 
-	int GetGuestUsers() const;
-
 protected:
 
 	typedef std::map<SessionId, boost::shared_ptr<SessionData> > SessionMap;
@@ -92,8 +88,6 @@ private:
 
 	SessionMap m_sessionMap;
 	mutable boost::recursive_mutex m_sessionMapMutex;
-  
-  int guestUsers;
 };
 
 #endif

src/net/socket_msg.h

@@ -98,7 +98,8 @@
 #define ERR_NET_GSASL_INIT_FAILED		134
 #define ERR_NET_GSASL_NO_SCRAM			135
 #define ERR_NET_DB_CONNECT_FAILED		136
-#define ERR_NET_TOO_MANY_GUESTS     137
+// LG: New code for max number of guest users
+#define ERR_NET_FULL_GUESTS				137
 
 #define ERR_IRC_INTERNAL				151
 #define ERR_IRC_CONNECT_FAILED			152