diff options
-rw-r--r-- | src/network/core/tcp_game.cpp | 3 | ||||
-rw-r--r-- | src/network/core/tcp_game.h | 1 | ||||
-rw-r--r-- | src/network/network.cpp | 56 | ||||
-rw-r--r-- | src/network/network_client.cpp | 22 | ||||
-rw-r--r-- | src/network/network_client.h | 2 | ||||
-rw-r--r-- | src/network/network_internal.h | 1 | ||||
-rw-r--r-- | src/network/network_server.cpp | 71 | ||||
-rw-r--r-- | src/network/network_server.h | 2 |
8 files changed, 88 insertions, 70 deletions
diff --git a/src/network/core/tcp_game.cpp b/src/network/core/tcp_game.cpp index b0db78eb7..037cb42fc 100644 --- a/src/network/core/tcp_game.cpp +++ b/src/network/core/tcp_game.cpp @@ -47,7 +47,6 @@ NetworkGameSocketHandler::NetworkGameSocketHandler(SOCKET s) * For clients: close connection and drop back to main-menu * For servers: close connection and that is it * @return the new status - * TODO: needs to be splitted when using client and server socket packets */ NetworkRecvStatus NetworkGameSocketHandler::CloseConnection(bool error) { @@ -61,7 +60,7 @@ NetworkRecvStatus NetworkGameSocketHandler::CloseConnection(bool error) return NETWORK_RECV_STATUS_CONN_LOST; } - return NetworkCloseClient(this, error ? NETWORK_RECV_STATUS_SERVER_ERROR : NETWORK_RECV_STATUS_CONN_LOST); + return this->CloseConnection(error ? NETWORK_RECV_STATUS_SERVER_ERROR : NETWORK_RECV_STATUS_CONN_LOST); } diff --git a/src/network/core/tcp_game.h b/src/network/core/tcp_game.h index f083396e8..5ab814bae 100644 --- a/src/network/core/tcp_game.h +++ b/src/network/core/tcp_game.h @@ -179,6 +179,7 @@ public: CommandQueue outgoing_queue; ///< The command-queue awaiting delivery NetworkRecvStatus CloseConnection(bool error = true); + virtual NetworkRecvStatus CloseConnection(NetworkRecvStatus status) = 0; virtual ~NetworkGameSocketHandler() {} inline void SetInfo(NetworkClientInfo *info) { assert(info != NULL && this->info == NULL); this->info = info; } diff --git a/src/network/network.cpp b/src/network/network.cpp index f874be3e9..6d19dc738 100644 --- a/src/network/network.cpp +++ b/src/network/network.cpp @@ -91,7 +91,7 @@ extern NetworkUDPSocketHandler *_udp_master_socket; ///< udp master socket static SocketList _listensockets; /* The amount of clients connected */ -static byte _network_clients_connected = 0; +byte _network_clients_connected = 0; /* Some externs / forwards */ extern void StateGameLoop(); @@ -262,7 +262,7 @@ static void NetworkClientError(NetworkRecvStatus res, NetworkClientSocket *cs) /* We just want to close the connection.. */ if (res == NETWORK_RECV_STATUS_CLOSE_QUERY) { cs->NetworkSocketHandler::CloseConnection(); - NetworkCloseClient(cs, res); + cs->CloseConnection(res); _networking = false; DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0); @@ -283,7 +283,7 @@ static void NetworkClientError(NetworkRecvStatus res, NetworkClientSocket *cs) } _switch_mode = SM_MENU; - NetworkCloseClient(cs, res); + cs->CloseConnection(res); _networking = false; } @@ -494,54 +494,6 @@ static NetworkClientSocket *NetworkAllocClient(SOCKET s) return new ServerNetworkGameSocketHandler(s); } -/* Close a connection */ -NetworkRecvStatus NetworkCloseClient(NetworkClientSocket *cs, NetworkRecvStatus status) -{ - assert(status != NETWORK_RECV_STATUS_OKAY); - /* - * Sending a message just before leaving the game calls cs->Send_Packets. - * This might invoke this function, which means that when we close the - * connection after cs->Send_Packets we will close an already closed - * connection. This handles that case gracefully without having to make - * that code any more complex or more aware of the validity of the socket. - */ - if (cs->sock == INVALID_SOCKET) return status; - - if (status != NETWORK_RECV_STATUS_CONN_LOST && !cs->HasClientQuit() && _network_server && cs->status >= STATUS_AUTHORIZED) { - /* We did not receive a leave message from this client... */ - char client_name[NETWORK_CLIENT_NAME_LENGTH]; - NetworkClientSocket *new_cs; - - NetworkGetClientName(client_name, sizeof(client_name), cs); - - NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_ERROR_CLIENT_CONNECTION_LOST); - - /* Inform other clients of this... strange leaving ;) */ - FOR_ALL_CLIENT_SOCKETS(new_cs) { - if (new_cs->status > STATUS_AUTHORIZED && cs != new_cs) { - SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, NETWORK_ERROR_CONNECTION_LOST); - } - } - } - - DEBUG(net, 1, "Closed client connection %d", cs->client_id); - - if (_network_server) { - /* We just lost one client :( */ - if (cs->status >= STATUS_AUTHORIZED) _network_game_info.clients_on--; - _network_clients_connected--; - - SetWindowDirty(WC_CLIENT_LIST, 0); - } - - cs->Send_Packets(true); - - delete cs->GetInfo(); - delete cs; - - return status; -} - /* For the server, to accept new clients */ static void NetworkAcceptClients(SOCKET ls) { @@ -636,7 +588,7 @@ static void NetworkClose() MyClient::SendQuit(); cs->Send_Packets(); } - NetworkCloseClient(cs, NETWORK_RECV_STATUS_CONN_LOST); + cs->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST); } if (_network_server) { diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp index 619a43ebf..929d58763 100644 --- a/src/network/network_client.cpp +++ b/src/network/network_client.cpp @@ -51,6 +51,28 @@ ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler() ClientNetworkGameSocketHandler::my_client = NULL; } +NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status) +{ + assert(status != NETWORK_RECV_STATUS_OKAY); + /* + * Sending a message just before leaving the game calls cs->Send_Packets. + * This might invoke this function, which means that when we close the + * connection after cs->Send_Packets we will close an already closed + * connection. This handles that case gracefully without having to make + * that code any more complex or more aware of the validity of the socket. + */ + if (this->sock == INVALID_SOCKET) return status; + + DEBUG(net, 1, "Closed client connection %d", this->client_id); + + this->Send_Packets(true); + + delete this->GetInfo(); + delete this; + + return status; +} + /** Our client's connection. */ ClientNetworkGameSocketHandler * ClientNetworkGameSocketHandler::my_client = NULL; diff --git a/src/network/network_client.h b/src/network/network_client.h index 4e9934cce..5b00aba0f 100644 --- a/src/network/network_client.h +++ b/src/network/network_client.h @@ -53,6 +53,8 @@ public: ClientNetworkGameSocketHandler(SOCKET s); ~ClientNetworkGameSocketHandler(); + NetworkRecvStatus CloseConnection(NetworkRecvStatus status); + static NetworkRecvStatus SendCompanyInformationQuery(); static NetworkRecvStatus SendJoin(); diff --git a/src/network/network_internal.h b/src/network/network_internal.h index b492e61c3..c4ef68dda 100644 --- a/src/network/network_internal.h +++ b/src/network/network_internal.h @@ -166,7 +166,6 @@ void NetworkFreeLocalCommandQueue(); void NetworkSyncCommandQueue(NetworkClientSocket *cs); /* from network.c */ -NetworkRecvStatus NetworkCloseClient(NetworkClientSocket *cs, NetworkRecvStatus status); void NetworkTextMessage(NetworkAction action, ConsoleColour colour, bool self_send, const char *name, const char *str = "", int64 data = 0); void NetworkGetClientName(char *clientname, size_t size, const NetworkClientSocket *cs); uint NetworkCalculateLag(const NetworkClientSocket *cs); diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp index 5f7601fb7..b5189da0e 100644 --- a/src/network/network_server.cpp +++ b/src/network/network_server.cpp @@ -63,6 +63,51 @@ ServerNetworkGameSocketHandler::~ServerNetworkGameSocketHandler() OrderBackup::ResetUser(this->client_id); } +NetworkRecvStatus ServerNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status) +{ + assert(status != NETWORK_RECV_STATUS_OKAY); + /* + * Sending a message just before leaving the game calls cs->Send_Packets. + * This might invoke this function, which means that when we close the + * connection after cs->Send_Packets we will close an already closed + * connection. This handles that case gracefully without having to make + * that code any more complex or more aware of the validity of the socket. + */ + if (this->sock == INVALID_SOCKET) return status; + + if (status != NETWORK_RECV_STATUS_CONN_LOST && !this->HasClientQuit() && this->status >= STATUS_AUTHORIZED) { + /* We did not receive a leave message from this client... */ + char client_name[NETWORK_CLIENT_NAME_LENGTH]; + NetworkClientSocket *new_cs; + + NetworkGetClientName(client_name, sizeof(client_name), this); + + NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_ERROR_CLIENT_CONNECTION_LOST); + + /* Inform other clients of this... strange leaving ;) */ + FOR_ALL_CLIENT_SOCKETS(new_cs) { + if (new_cs->status > STATUS_AUTHORIZED && this != new_cs) { + SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, this->client_id, NETWORK_ERROR_CONNECTION_LOST); + } + } + } + + DEBUG(net, 1, "Closed client connection %d", this->client_id); + + /* We just lost one client :( */ + if (this->status >= STATUS_AUTHORIZED) _network_game_info.clients_on--; + extern byte _network_clients_connected; + _network_clients_connected--; + + SetWindowDirty(WC_CLIENT_LIST, 0); + + this->Send_Packets(true); + + delete this->GetInfo(); + delete this; + + return status; +} static void NetworkHandleCommandQueue(NetworkClientSocket *cs); @@ -205,7 +250,7 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR)(NetworkClientSocket *cs, Netw } /* The client made a mistake, so drop his connection now! */ - return NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR); + return cs->CloseConnection(NETWORK_RECV_STATUS_SERVER_ERROR); } DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHECK_NEWGRFS)(NetworkClientSocket *cs) @@ -245,7 +290,7 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_NEED_GAME_PASSWORD)(NetworkClientSoc */ /* Invalid packet when status is STATUS_AUTH_GAME or higher */ - if (cs->status >= STATUS_AUTH_GAME) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET); + if (cs->status >= STATUS_AUTH_GAME) return cs->CloseConnection(NETWORK_RECV_STATUS_MALFORMED_PACKET); cs->status = STATUS_AUTH_GAME; @@ -265,7 +310,7 @@ DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_NEED_COMPANY_PASSWORD)(NetworkClient */ /* Invalid packet when status is STATUS_AUTH_COMPANY or higher */ - if (cs->status >= STATUS_AUTH_COMPANY) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET); + if (cs->status >= STATUS_AUTH_COMPANY) return cs->CloseConnection(NETWORK_RECV_STATUS_MALFORMED_PACKET); cs->status = STATUS_AUTH_COMPANY; @@ -289,7 +334,7 @@ DEF_SERVER_SEND_COMMAND(PACKET_SERVER_WELCOME) NetworkClientSocket *new_cs; /* Invalid packet when status is AUTH or higher */ - if (cs->status >= STATUS_AUTHORIZED) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET); + if (cs->status >= STATUS_AUTHORIZED) return cs->CloseConnection(NETWORK_RECV_STATUS_MALFORMED_PACKET); cs->status = STATUS_AUTHORIZED; _network_game_info.clients_on++; @@ -991,8 +1036,7 @@ DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_ERROR) /* The client was never joined.. thank the client for the packet, but ignore it */ if (this->status < STATUS_DONE_MAP || this->HasClientQuit()) { - this->CloseConnection(); - return NETWORK_RECV_STATUS_CONN_LOST; + return this->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST); } NetworkGetClientName(client_name, sizeof(client_name), this); @@ -1010,8 +1054,7 @@ DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_ERROR) } } - this->CloseConnection(false); - return NETWORK_RECV_STATUS_CONN_LOST; + return this->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST); } DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_QUIT) @@ -1023,8 +1066,7 @@ DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_QUIT) /* The client was never joined.. thank the client for the packet, but ignore it */ if (this->status < STATUS_DONE_MAP || this->HasClientQuit()) { - this->CloseConnection(); - return NETWORK_RECV_STATUS_CONN_LOST; + return this->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST); } NetworkGetClientName(client_name, sizeof(client_name), this); @@ -1037,8 +1079,7 @@ DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_QUIT) } } - this->CloseConnection(false); - return NETWORK_RECV_STATUS_CONN_LOST; + return this->CloseConnection(NETWORK_RECV_STATUS_CONN_LOST); } DEF_GAME_RECEIVE_COMMAND(Server, PACKET_CLIENT_ACK) @@ -1579,7 +1620,7 @@ void NetworkServer_Tick(bool send_frame) /* Client did still not report in after 4 game-day, drop him * (that is, the 3 of above, + 1 before any lag is counted) */ IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id); - NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR); + cs->CloseConnection(NETWORK_RECV_STATUS_SERVER_ERROR); continue; } @@ -1595,13 +1636,13 @@ void NetworkServer_Tick(bool send_frame) uint lag = NetworkCalculateLag(cs); if (lag > _settings_client.network.max_join_time) { IConsolePrintF(CC_ERROR,"Client #%d is dropped because it took longer than %d ticks for him to join", cs->client_id, _settings_client.network.max_join_time); - NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR); + cs->CloseConnection(NETWORK_RECV_STATUS_SERVER_ERROR); } } else if (cs->status == STATUS_INACTIVE) { uint lag = NetworkCalculateLag(cs); if (lag > 4 * DAY_TICKS) { IConsolePrintF(CC_ERROR,"Client #%d is dropped because it took longer than %d ticks to start the joining process", cs->client_id, 4 * DAY_TICKS); - NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR); + cs->CloseConnection(NETWORK_RECV_STATUS_SERVER_ERROR); } } diff --git a/src/network/network_server.h b/src/network/network_server.h index 037f22a71..2e5e3fc49 100644 --- a/src/network/network_server.h +++ b/src/network/network_server.h @@ -38,6 +38,8 @@ protected: public: ServerNetworkGameSocketHandler(SOCKET s); ~ServerNetworkGameSocketHandler(); + + NetworkRecvStatus CloseConnection(NetworkRecvStatus status); }; DEF_SERVER_SEND_COMMAND(PACKET_SERVER_MAP); |