tcp.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD 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, version 2.
00006  * OpenTTD 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.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00014 #ifndef NETWORK_CORE_TCP_H
00015 #define NETWORK_CORE_TCP_H
00016 
00017 #include "address.h"
00018 #include "packet.h"
00019 
00020 #ifdef ENABLE_NETWORK
00021 
00023 class NetworkTCPSocketHandler : public NetworkSocketHandler {
00024 private:
00025   Packet *packet_queue;     
00026   Packet *packet_recv;      
00027 public:
00028   SOCKET sock;              
00029   bool writable;            
00030 
00035   bool IsConnected() const { return this->sock != INVALID_SOCKET; }
00036 
00037   virtual NetworkRecvStatus CloseConnection(bool error = true);
00038   virtual void SendPacket(Packet *packet);
00039   bool SendPackets(bool closing_down = false);
00040   bool IsPacketQueueEmpty();
00041 
00042   virtual Packet *ReceivePacket();
00043 
00044   bool CanSendReceive();
00045 
00046   NetworkTCPSocketHandler(SOCKET s = INVALID_SOCKET);
00047   ~NetworkTCPSocketHandler();
00048 };
00049 
00053 class TCPConnecter {
00054 private:
00055   class ThreadObject *thread; 
00056   bool connected;             
00057   bool aborted;               
00058   bool killed;                
00059   SOCKET sock;                
00060 
00061   void Connect();
00062 
00063   static void ThreadEntry(void *param);
00064 
00065 protected:
00067   NetworkAddress address;
00068 
00069 public:
00070   TCPConnecter(const NetworkAddress &address);
00072   virtual ~TCPConnecter() {}
00073 
00078   virtual void OnConnect(SOCKET s) {}
00079 
00083   virtual void OnFailure() {}
00084 
00085   static void CheckCallbacks();
00086   static void KillAll();
00087 };
00088 
00089 #endif /* ENABLE_NETWORK */
00090 
00091 #endif /* NETWORK_CORE_TCP_H */

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