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// cServer.h
// Interfaces to the cServer object representing the network server
#pragma once
#include "OSSupport/SocketThreads.h"
#include "OSSupport/ListenThread.h"
#include "CryptoPP/rsa.h"
#include "CryptoPP/randpool.h"
#include "RCONServer.h"
// fwd:
class cPlayer;
class cClientHandle;
class cIniFile;
class cCommandOutputCallback ;
typedef std::list<cClientHandle *> cClientHandleList;
class cServer // tolua_export
: public cListenThread::cCallback
{ // tolua_export
public: // tolua_export
bool InitServer(cIniFile & a_SettingsIni);
// tolua_begin
const AString & GetDescription(void) const {return m_Description; }
// Player counts:
int GetMaxPlayers(void) const {return m_MaxPlayers; }
int GetNumPlayers(void);
void SetMaxPlayers(int a_MaxPlayers) { m_MaxPlayers = a_MaxPlayers; }
// tolua_end
bool Start(void);
bool Command(cClientHandle & a_Client, AString & a_Cmd);
/// Executes the console command, sends output through the specified callback
void ExecuteConsoleCommand(const AString & a_Cmd, cCommandOutputCallback & a_Output);
/// Binds the built-in console commands with the plugin manager
static void BindBuiltInConsoleCommands(void);
void Shutdown(void);
void KickUser(int a_ClientID, const AString & a_Reason);
void AuthenticateUser(int a_ClientID); // Called by cAuthenticator to auth the specified user
const AString & GetServerID(void) const { return m_ServerID; } // tolua_export
void ClientDestroying(const cClientHandle * a_Client); // Called by cClientHandle::Destroy(); stop m_SocketThreads from calling back into a_Client
void NotifyClientWrite(const cClientHandle * a_Client); // Notifies m_SocketThreads that client has something to be written
void WriteToClient(const cClientHandle * a_Client, const AString & a_Data); // Queues outgoing data for the client through m_SocketThreads
void QueueClientClose(const cClientHandle * a_Client); // Queues the clienthandle to close when all its outgoing data is sent
void RemoveClient(const cClientHandle * a_Client); // Removes the clienthandle from m_SocketThreads
/// Don't tick a_Client anymore, it will be ticked from its cPlayer instead
void ClientMovedToWorld(const cClientHandle * a_Client);
/// Notifies the server that a player was created; the server uses this to adjust the number of players
void PlayerCreated(const cPlayer * a_Player);
/// Notifies the server that a player was destroyed; the server uses this to adjust the number of players
void PlayerDestroyed(const cPlayer * a_Player);
CryptoPP::RSA::PrivateKey & GetPrivateKey(void) { return m_PrivateKey; }
CryptoPP::RSA::PublicKey & GetPublicKey (void) { return m_PublicKey; }
private:
friend class cRoot; // so cRoot can create and destroy cServer
/// When NotifyClientWrite() is called, it is queued for this thread to process (to avoid deadlocks between cSocketThreads, cClientHandle and cChunkMap)
class cNotifyWriteThread :
public cIsThread
{
typedef cIsThread super;
cEvent m_Event; // Set when m_Clients gets appended
cServer * m_Server;
cCriticalSection m_CS;
cClientHandleList m_Clients;
virtual void Execute(void);
public:
cNotifyWriteThread(void);
~cNotifyWriteThread();
bool Start(cServer * a_Server);
void NotifyClientWrite(const cClientHandle * a_Client);
} ;
/// The server tick thread takes care of the players who aren't yet spawned in a world
class cTickThread :
public cIsThread
{
typedef cIsThread super;
public:
cTickThread(cServer & a_Server);
protected:
cServer & m_Server;
// cIsThread overrides:
virtual void Execute(void) override;
} ;
cNotifyWriteThread m_NotifyWriteThread;
cListenThread m_ListenThreadIPv4;
cListenThread m_ListenThreadIPv6;
cCriticalSection m_CSClients; ///< Locks client lists
cClientHandleList m_Clients; ///< Clients that are connected to the server and not yet assigned to a cWorld
cClientHandleList m_ClientsToRemove; ///< Clients that have just been moved into a world and are to be removed from m_Clients in the next Tick()
cCriticalSection m_CSPlayerCount; ///< Locks the m_PlayerCount
int m_PlayerCount; ///< Number of players currently playing in the server
cCriticalSection m_CSPlayerCountDiff; ///< Locks the m_PlayerCountDiff
int m_PlayerCountDiff; ///< Adjustment to m_PlayerCount to be applied in the Tick thread
cSocketThreads m_SocketThreads;
int m_ClientViewDistance; // The default view distance for clients; settable in Settings.ini
bool m_bIsConnected; // true - connected false - not connected
bool m_bRestarting;
CryptoPP::RSA::PrivateKey m_PrivateKey;
CryptoPP::RSA::PublicKey m_PublicKey;
cRCONServer m_RCONServer;
AString m_Description;
int m_MaxPlayers;
cTickThread m_TickThread;
cEvent m_RestartEvent;
/// The server ID used for client authentication
AString m_ServerID;
cServer(void);
/// Loads, or generates, if missing, RSA keys for protocol encryption
void PrepareKeys(void);
bool Tick(float a_Dt);
/// Ticks the clients in m_Clients, manages the list in respect to removing clients
void TickClients(float a_Dt);
// cListenThread::cCallback overrides:
virtual void OnConnectionAccepted(cSocket & a_Socket) override;
}; // tolua_export
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