tcp.h

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00001 /* $Id: tcp.h 22068 2011-02-12 21:09:34Z rubidium $ */
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 enum SendPacketsState {
00024   SPS_CLOSED,      
00025   SPS_NONE_SENT,   
00026   SPS_PARTLY_SENT, 
00027   SPS_ALL_SENT,    
00028 };
00029 
00031 class NetworkTCPSocketHandler : public NetworkSocketHandler {
00032 private:
00033   Packet *packet_queue;     
00034   Packet *packet_recv;      
00035 public:
00036   SOCKET sock;              
00037   bool writable;            
00038 
00043   bool IsConnected() const { return this->sock != INVALID_SOCKET; }
00044 
00045   virtual NetworkRecvStatus CloseConnection(bool error = true);
00046   virtual void SendPacket(Packet *packet);
00047   SendPacketsState SendPackets(bool closing_down = false);
00048 
00049   virtual Packet *ReceivePacket();
00050 
00051   bool CanSendReceive();
00052 
00053   NetworkTCPSocketHandler(SOCKET s = INVALID_SOCKET);
00054   ~NetworkTCPSocketHandler();
00055 };
00056 
00060 class TCPConnecter {
00061 private:
00062   class ThreadObject *thread; 
00063   bool connected;             
00064   bool aborted;               
00065   bool killed;                
00066   SOCKET sock;                
00067 
00068   void Connect();
00069 
00070   static void ThreadEntry(void *param);
00071 
00072 protected:
00074   NetworkAddress address;
00075 
00076 public:
00077   TCPConnecter(const NetworkAddress &address);
00079   virtual ~TCPConnecter() {}
00080 
00085   virtual void OnConnect(SOCKET s) {}
00086 
00090   virtual void OnFailure() {}
00091 
00092   static void CheckCallbacks();
00093   static void KillAll();
00094 };
00095 
00096 #endif /* ENABLE_NETWORK */
00097 
00098 #endif /* NETWORK_CORE_TCP_H */

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