udp.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_UDP_H
00015 #define NETWORK_CORE_UDP_H
00016 
00017 #include "address.h"
00018 #include "game.h"
00019 #include "packet.h"
00020 
00021 #ifdef ENABLE_NETWORK
00022 
00024 enum PacketUDPType {
00025   PACKET_UDP_CLIENT_FIND_SERVER,   
00026   PACKET_UDP_SERVER_RESPONSE,      
00027   PACKET_UDP_CLIENT_DETAIL_INFO,   
00028   PACKET_UDP_SERVER_DETAIL_INFO,   
00029   PACKET_UDP_SERVER_REGISTER,      
00030   PACKET_UDP_MASTER_ACK_REGISTER,  
00031   PACKET_UDP_CLIENT_GET_LIST,      
00032   PACKET_UDP_MASTER_RESPONSE_LIST, 
00033   PACKET_UDP_SERVER_UNREGISTER,    
00034   PACKET_UDP_CLIENT_GET_NEWGRFS,   
00035   PACKET_UDP_SERVER_NEWGRFS,       
00036   PACKET_UDP_MASTER_SESSION_KEY,   
00037   PACKET_UDP_END                   
00038 };
00039 
00041 enum ServerListType {
00042   SLT_IPv4 = 0,   
00043   SLT_IPv6 = 1,   
00044   SLT_AUTODETECT, 
00045 
00046   SLT_END = SLT_AUTODETECT 
00047 };
00048 
00050 class NetworkUDPSocketHandler : public NetworkSocketHandler {
00051 protected:
00053   NetworkAddressList bind;
00055   SocketList sockets;
00056 
00057   NetworkRecvStatus CloseConnection(bool error = true);
00058 
00059   void ReceiveInvalidPacket(PacketUDPType, NetworkAddress *client_addr);
00060 
00066   virtual void Receive_CLIENT_FIND_SERVER(Packet *p, NetworkAddress *client_addr);
00067 
00107   virtual void Receive_SERVER_RESPONSE(Packet *p, NetworkAddress *client_addr);
00108 
00114   virtual void Receive_CLIENT_DETAIL_INFO(Packet *p, NetworkAddress *client_addr);
00115 
00143   virtual void Receive_SERVER_DETAIL_INFO(Packet *p, NetworkAddress *client_addr);
00144 
00154   virtual void Receive_SERVER_REGISTER(Packet *p, NetworkAddress *client_addr);
00155 
00161   virtual void Receive_MASTER_ACK_REGISTER(Packet *p, NetworkAddress *client_addr);
00162 
00170   virtual void Receive_CLIENT_GET_LIST(Packet *p, NetworkAddress *client_addr);
00171 
00181   virtual void Receive_MASTER_RESPONSE_LIST(Packet *p, NetworkAddress *client_addr);
00182 
00190   virtual void Receive_SERVER_UNREGISTER(Packet *p, NetworkAddress *client_addr);
00191 
00201   virtual void Receive_CLIENT_GET_NEWGRFS(Packet *p, NetworkAddress *client_addr);
00202 
00213   virtual void Receive_SERVER_NEWGRFS(Packet *p, NetworkAddress *client_addr);
00214 
00221   virtual void Receive_MASTER_SESSION_KEY(Packet *p, NetworkAddress *client_addr);
00222 
00223   void HandleUDPPacket(Packet *p, NetworkAddress *client_addr);
00224 
00232   virtual void HandleIncomingNetworkGameInfoGRFConfig(GRFConfig *config) { NOT_REACHED(); }
00233 public:
00234   NetworkUDPSocketHandler(NetworkAddressList *bind = NULL);
00235 
00237   virtual ~NetworkUDPSocketHandler() { this->Close(); }
00238 
00239   bool Listen();
00240   void Close();
00241 
00242   void SendPacket(Packet *p, NetworkAddress *recv, bool all = false, bool broadcast = false);
00243   void ReceivePackets();
00244 
00245   void SendNetworkGameInfo(Packet *p, const NetworkGameInfo *info);
00246   void ReceiveNetworkGameInfo(Packet *p, NetworkGameInfo *info);
00247 };
00248 
00249 #endif /* ENABLE_NETWORK */
00250 
00251 #endif /* NETWORK_CORE_UDP_H */