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2026-03-02 22:04:18 +03:00

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/// \file
/// \brief A simple TCP based server allowing sends and receives. Can be connected by any TCP client, including telnet.
///
/// This file is part of RakNet Copyright 2003 Jenkins Software LLC
///
/// Usage of RakNet is subject to the appropriate license agreement.
#include "NativeFeatureIncludes.h"
#if _RAKNET_SUPPORT_PacketizedTCP==1 && _RAKNET_SUPPORT_TCPInterface==1
#ifndef __PACKETIZED_TCP
#define __PACKETIZED_TCP
#include "TCPInterface.h"
#include "DS_ByteQueue.h"
#include "PluginInterface2.h"
#include "DS_Map.h"
namespace RakNet
{
class RAK_DLL_EXPORT PacketizedTCP : public TCPInterface
{
public:
// GetInstance() and DestroyInstance(instance*)
STATIC_FACTORY_DECLARATIONS(PacketizedTCP)
PacketizedTCP();
virtual ~PacketizedTCP();
/// Starts the TCP server on the indicated port
/// \param[in] port Which port to listen on.
/// \param[in] maxIncomingConnections Max incoming connections we will accept
/// \param[in] maxConnections Max total connections, which should be >= maxIncomingConnections
/// \param[in] threadPriority Passed to the thread creation routine. Use THREAD_PRIORITY_NORMAL for Windows. For Linux based systems, you MUST pass something reasonable based on the thread priorities for your application.
/// \param[in] socketFamily IP version: For IPV4, use AF_INET (default). For IPV6, use AF_INET6. To autoselect, use AF_UNSPEC.
bool Start(unsigned short port, unsigned short maxIncomingConnections, int threadPriority=-99999, unsigned short socketFamily=AF_INET);
/// Stops the TCP server
void Stop(void);
/// Sends a byte stream
void Send( const char *data, unsigned length, const SystemAddress &systemAddress, bool broadcast );
// Sends a concatenated list of byte streams
bool SendList( const char **data, const int *lengths, const int numParameters, const SystemAddress &systemAddress, bool broadcast );
/// Returns data received
Packet* Receive( void );
/// Disconnects a player/address
void CloseConnection( SystemAddress systemAddress );
/// Has a previous call to connect succeeded?
/// \return UNASSIGNED_SYSTEM_ADDRESS = no. Anything else means yes.
SystemAddress HasCompletedConnectionAttempt(void);
/// Has a previous call to connect failed?
/// \return UNASSIGNED_SYSTEM_ADDRESS = no. Anything else means yes.
SystemAddress HasFailedConnectionAttempt(void);
/// Queued events of new incoming connections
SystemAddress HasNewIncomingConnection(void);
/// Queued events of lost connections
SystemAddress HasLostConnection(void);
// Only currently tested with FileListTransfer!
void AttachPlugin( PluginInterface2 *plugin );
void DetachPlugin( PluginInterface2 *plugin );
protected:
void ClearAllConnections(void);
void RemoveFromConnectionList(const SystemAddress &sa);
void AddToConnectionList(const SystemAddress &sa);
void PushNotificationsToQueues(void);
Packet *ReturnOutgoingPacket(void);
// Plugins
DataStructures::List<PluginInterface2*> messageHandlerList;
// A single TCP recieve may generate multiple split packets. They are stored in the waitingPackets list until Receive is called
DataStructures::Queue<Packet*> waitingPackets;
DataStructures::Map<SystemAddress, DataStructures::ByteQueue *> connections;
// Mirrors single producer / consumer, but processes them in Receive() before returning to user
DataStructures::Queue<SystemAddress> _newIncomingConnections, _lostConnections, _failedConnectionAttempts, _completedConnectionAttempts;
};
} // namespace RakNet
#endif
#endif // _RAKNET_SUPPORT_*