tcp_game.cpp
Go to the documentation of this file.00001
00002
00003
00004
00005
00006
00007
00008
00009
00014 #ifdef ENABLE_NETWORK
00015
00016 #include "../../stdafx.h"
00017
00018 #include "../network.h"
00019 #include "../network_internal.h"
00020 #include "../../debug.h"
00021
00022 #include "table/strings.h"
00023
00028 NetworkGameSocketHandler::NetworkGameSocketHandler(SOCKET s)
00029 {
00030 this->sock = s;
00031 this->last_frame = _frame_counter;
00032 this->last_frame_server = _frame_counter;
00033 this->last_packet = _realtime_tick;
00034 }
00035
00043 NetworkRecvStatus NetworkGameSocketHandler::CloseConnection(bool error)
00044 {
00045
00046 if (!_network_server && _networking) {
00047 _switch_mode = SM_MENU;
00048 _networking = false;
00049 extern StringID _switch_mode_errorstr;
00050 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00051
00052 return NETWORK_RECV_STATUS_CONN_LOST;
00053 }
00054
00055 return this->CloseConnection(error ? NETWORK_RECV_STATUS_SERVER_ERROR : NETWORK_RECV_STATUS_CONN_LOST);
00056 }
00057
00058
00063 #define GAME_COMMAND(type) case type: return this->NetworkPacketReceive_ ## type ## _command(p); break;
00064
00070 NetworkRecvStatus NetworkGameSocketHandler::HandlePacket(Packet *p)
00071 {
00072 PacketGameType type = (PacketGameType)p->Recv_uint8();
00073
00074 this->last_packet = _realtime_tick;
00075
00076 switch (this->HasClientQuit() ? PACKET_END : type) {
00077 GAME_COMMAND(PACKET_SERVER_FULL)
00078 GAME_COMMAND(PACKET_SERVER_BANNED)
00079 GAME_COMMAND(PACKET_CLIENT_JOIN)
00080 GAME_COMMAND(PACKET_SERVER_ERROR)
00081 GAME_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00082 GAME_COMMAND(PACKET_SERVER_COMPANY_INFO)
00083 GAME_COMMAND(PACKET_SERVER_CLIENT_INFO)
00084 GAME_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)
00085 GAME_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)
00086 GAME_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00087 GAME_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00088 GAME_COMMAND(PACKET_SERVER_WELCOME)
00089 GAME_COMMAND(PACKET_CLIENT_GETMAP)
00090 GAME_COMMAND(PACKET_SERVER_WAIT)
00091 GAME_COMMAND(PACKET_SERVER_MAP_BEGIN)
00092 GAME_COMMAND(PACKET_SERVER_MAP_SIZE)
00093 GAME_COMMAND(PACKET_SERVER_MAP_DATA)
00094 GAME_COMMAND(PACKET_SERVER_MAP_DONE)
00095 GAME_COMMAND(PACKET_CLIENT_MAP_OK)
00096 GAME_COMMAND(PACKET_SERVER_JOIN)
00097 GAME_COMMAND(PACKET_SERVER_FRAME)
00098 GAME_COMMAND(PACKET_SERVER_SYNC)
00099 GAME_COMMAND(PACKET_CLIENT_ACK)
00100 GAME_COMMAND(PACKET_CLIENT_COMMAND)
00101 GAME_COMMAND(PACKET_SERVER_COMMAND)
00102 GAME_COMMAND(PACKET_CLIENT_CHAT)
00103 GAME_COMMAND(PACKET_SERVER_CHAT)
00104 GAME_COMMAND(PACKET_CLIENT_SET_PASSWORD)
00105 GAME_COMMAND(PACKET_CLIENT_SET_NAME)
00106 GAME_COMMAND(PACKET_CLIENT_QUIT)
00107 GAME_COMMAND(PACKET_CLIENT_ERROR)
00108 GAME_COMMAND(PACKET_SERVER_QUIT)
00109 GAME_COMMAND(PACKET_SERVER_ERROR_QUIT)
00110 GAME_COMMAND(PACKET_SERVER_SHUTDOWN)
00111 GAME_COMMAND(PACKET_SERVER_NEWGAME)
00112 GAME_COMMAND(PACKET_SERVER_RCON)
00113 GAME_COMMAND(PACKET_CLIENT_RCON)
00114 GAME_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00115 GAME_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00116 GAME_COMMAND(PACKET_SERVER_MOVE)
00117 GAME_COMMAND(PACKET_CLIENT_MOVE)
00118 GAME_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00119 GAME_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00120
00121 default:
00122 this->CloseConnection();
00123
00124 if (this->HasClientQuit()) {
00125 DEBUG(net, 0, "[tcp/game] received invalid packet type %d from client %d", type, this->client_id);
00126 } else {
00127 DEBUG(net, 0, "[tcp/game] received illegal packet from client %d", this->client_id);
00128 }
00129 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00130 }
00131 }
00132
00140 NetworkRecvStatus NetworkGameSocketHandler::ReceivePackets()
00141 {
00142 Packet *p;
00143 while ((p = this->ReceivePacket()) != NULL) {
00144 NetworkRecvStatus res = HandlePacket(p);
00145 delete p;
00146 if (res != NETWORK_RECV_STATUS_OKAY) return res;
00147 }
00148
00149 return NETWORK_RECV_STATUS_OKAY;
00150 }
00151
00158 #define DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(type) \
00159 NetworkRecvStatus NetworkGameSocketHandler::NetworkPacketReceive_## type ##_command(Packet *p) \
00160 { \
00161 DEBUG(net, 0, "[tcp/game] received illegal packet type %d from client %d", \
00162 type, this->client_id); \
00163 return NETWORK_RECV_STATUS_MALFORMED_PACKET; \
00164 }
00165
00166 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00167 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00168 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
00169 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00170 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00171 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00172 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00173 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)
00174 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)
00175 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00176 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00177 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00178 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00179 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00180 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_MAP_BEGIN)
00181 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_MAP_SIZE)
00182 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_MAP_DATA)
00183 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_MAP_DONE)
00184 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00185 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00186 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00187 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00188 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
00189 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00190 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00191 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
00192 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00193 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
00194 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
00195 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
00196 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00197 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00198 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00199 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00200 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00201 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00202 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
00203 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00204 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00205 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00206 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
00207 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00208 DEFINE_UNAVAILABLE_GAME_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00209
00210 #endif