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00012 #ifdef ENABLE_NETWORK
00013
00014 #include "../stdafx.h"
00015 #include "../debug.h"
00016 #include "network_gui.h"
00017 #include "../saveload/saveload.h"
00018 #include "../saveload/saveload_filter.h"
00019 #include "../command_func.h"
00020 #include "../console_func.h"
00021 #include "../strings_func.h"
00022 #include "../window_func.h"
00023 #include "../company_func.h"
00024 #include "../company_base.h"
00025 #include "../company_gui.h"
00026 #include "../core/random_func.hpp"
00027 #include "../date_func.h"
00028 #include "../gfx_func.h"
00029 #include "../gui.h"
00030 #include "../rev.h"
00031 #include "network.h"
00032 #include "network_base.h"
00033 #include "network_client.h"
00034 #include "../core/backup_type.hpp"
00035
00036 #include "table/strings.h"
00037
00038
00039
00040
00042 struct PacketReader : LoadFilter {
00043 static const size_t CHUNK = 32 * 1024;
00044
00045 AutoFreeSmallVector<byte *, 16> blocks;
00046 byte *buf;
00047 byte *bufe;
00048 byte **block;
00049 size_t written_bytes;
00050 size_t read_bytes;
00051
00053 PacketReader() : LoadFilter(NULL), buf(NULL), bufe(NULL), block(NULL), written_bytes(0), read_bytes(0)
00054 {
00055 }
00056
00061 void AddPacket(const Packet *p)
00062 {
00063 assert(this->read_bytes == 0);
00064
00065 size_t in_packet = p->size - p->pos;
00066 size_t to_write = min((size_t)(this->bufe - this->buf), in_packet);
00067 const byte *pbuf = p->buffer + p->pos;
00068
00069 this->written_bytes += in_packet;
00070 if (to_write != 0) {
00071 memcpy(this->buf, pbuf, to_write);
00072 this->buf += to_write;
00073 }
00074
00075
00076 if (to_write == in_packet) return;
00077
00078
00079 pbuf += to_write;
00080 to_write = in_packet - to_write;
00081 this->buf = *this->blocks.Append() = CallocT<byte>(CHUNK);
00082 this->bufe = this->buf + CHUNK;
00083
00084 memcpy(this->buf, pbuf, to_write);
00085 this->buf += to_write;
00086 }
00087
00088 size_t Read(byte *rbuf, size_t size)
00089 {
00090
00091 size_t ret_size = size = min(this->written_bytes - this->read_bytes, size);
00092 this->read_bytes += ret_size;
00093 const byte *rbufe = rbuf + ret_size;
00094
00095 while (rbuf != rbufe) {
00096 if (this->buf == this->bufe) {
00097 this->buf = *this->block++;
00098 this->bufe = this->buf + CHUNK;
00099 }
00100
00101 size_t to_write = min(this->bufe - this->buf, rbufe - rbuf);
00102 memcpy(rbuf, this->buf, to_write);
00103 rbuf += to_write;
00104 this->buf += to_write;
00105 }
00106
00107 return ret_size;
00108 }
00109
00110 void Reset()
00111 {
00112 this->read_bytes = 0;
00113
00114 this->block = this->blocks.Begin();
00115 this->buf = *this->block++;
00116 this->bufe = this->buf + CHUNK;
00117 }
00118 };
00119
00120
00125 ClientNetworkGameSocketHandler::ClientNetworkGameSocketHandler(SOCKET s) : NetworkGameSocketHandler(s), savegame(NULL), status(STATUS_INACTIVE)
00126 {
00127 assert(ClientNetworkGameSocketHandler::my_client == NULL);
00128 ClientNetworkGameSocketHandler::my_client = this;
00129 }
00130
00132 ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler()
00133 {
00134 assert(ClientNetworkGameSocketHandler::my_client == this);
00135 ClientNetworkGameSocketHandler::my_client = NULL;
00136
00137 delete this->savegame;
00138 }
00139
00140 NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status)
00141 {
00142 assert(status != NETWORK_RECV_STATUS_OKAY);
00143
00144
00145
00146
00147
00148
00149
00150 if (this->sock == INVALID_SOCKET) return status;
00151
00152 DEBUG(net, 1, "Closed client connection %d", this->client_id);
00153
00154 this->SendPackets(true);
00155
00156
00157
00158
00159
00160 CSleep(3 * MILLISECONDS_PER_TICK);
00161
00162 delete this->GetInfo();
00163 delete this;
00164
00165 return status;
00166 }
00167
00172 void ClientNetworkGameSocketHandler::ClientError(NetworkRecvStatus res)
00173 {
00174
00175
00176 NetworkErrorCode errorno;
00177
00178
00179 if (res == NETWORK_RECV_STATUS_CLOSE_QUERY) {
00180 this->NetworkSocketHandler::CloseConnection();
00181 this->CloseConnection(res);
00182 _networking = false;
00183
00184 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00185 return;
00186 }
00187
00188 switch (res) {
00189 case NETWORK_RECV_STATUS_DESYNC: errorno = NETWORK_ERROR_DESYNC; break;
00190 case NETWORK_RECV_STATUS_SAVEGAME: errorno = NETWORK_ERROR_SAVEGAME_FAILED; break;
00191 case NETWORK_RECV_STATUS_NEWGRF_MISMATCH: errorno = NETWORK_ERROR_NEWGRF_MISMATCH; break;
00192 default: errorno = NETWORK_ERROR_GENERAL; break;
00193 }
00194
00195
00196 if (res != NETWORK_RECV_STATUS_SERVER_ERROR && res != NETWORK_RECV_STATUS_SERVER_FULL &&
00197 res != NETWORK_RECV_STATUS_SERVER_BANNED) {
00198 SendError(errorno);
00199 }
00200
00201 _switch_mode = SM_MENU;
00202 this->CloseConnection(res);
00203 _networking = false;
00204 }
00205
00206
00212 bool ClientNetworkGameSocketHandler::Receive()
00213 {
00214 if (my_client->CanSendReceive()) {
00215 NetworkRecvStatus res = my_client->ReceivePackets();
00216 if (res != NETWORK_RECV_STATUS_OKAY) {
00217
00218
00219 my_client->ClientError(res);
00220 return false;
00221 }
00222 }
00223 return _networking;
00224 }
00225
00227 void ClientNetworkGameSocketHandler::Send()
00228 {
00229 my_client->SendPackets();
00230 my_client->CheckConnection();
00231 }
00232
00237 bool ClientNetworkGameSocketHandler::GameLoop()
00238 {
00239 _frame_counter++;
00240
00241 NetworkExecuteLocalCommandQueue();
00242
00243 extern void StateGameLoop();
00244 StateGameLoop();
00245
00246
00247 if (_sync_frame != 0) {
00248 if (_sync_frame == _frame_counter) {
00249 #ifdef NETWORK_SEND_DOUBLE_SEED
00250 if (_sync_seed_1 != _random.state[0] || _sync_seed_2 != _random.state[1]) {
00251 #else
00252 if (_sync_seed_1 != _random.state[0]) {
00253 #endif
00254 NetworkError(STR_NETWORK_ERROR_DESYNC);
00255 DEBUG(desync, 1, "sync_err: %08x; %02x", _date, _date_fract);
00256 DEBUG(net, 0, "Sync error detected!");
00257 my_client->ClientError(NETWORK_RECV_STATUS_DESYNC);
00258 return false;
00259 }
00260
00261
00262
00263
00264 if (_network_first_time) {
00265 _network_first_time = false;
00266 SendAck();
00267 }
00268
00269 _sync_frame = 0;
00270 } else if (_sync_frame < _frame_counter) {
00271 DEBUG(net, 1, "Missed frame for sync-test (%d / %d)", _sync_frame, _frame_counter);
00272 _sync_frame = 0;
00273 }
00274 }
00275
00276 return true;
00277 }
00278
00279
00281 ClientNetworkGameSocketHandler * ClientNetworkGameSocketHandler::my_client = NULL;
00282
00284 static uint32 last_ack_frame;
00285
00287 static uint32 _password_game_seed;
00289 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00290
00292 static uint8 _network_server_max_companies;
00294 static uint8 _network_server_max_spectators;
00295
00297 CompanyID _network_join_as;
00298
00300 const char *_network_join_server_password = NULL;
00302 const char *_network_join_company_password = NULL;
00303
00305 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00306
00307
00308
00309
00310
00311
00313 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyInformationQuery()
00314 {
00315 my_client->status = STATUS_COMPANY_INFO;
00316 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00317 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00318
00319 Packet *p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00320 my_client->SendPacket(p);
00321 return NETWORK_RECV_STATUS_OKAY;
00322 }
00323
00325 NetworkRecvStatus ClientNetworkGameSocketHandler::SendJoin()
00326 {
00327 my_client->status = STATUS_JOIN;
00328 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00329 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00330
00331 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00332 p->Send_string(_openttd_revision);
00333 p->Send_string(_settings_client.network.client_name);
00334 p->Send_uint8 (_network_join_as);
00335 p->Send_uint8 (NETLANG_ANY);
00336 my_client->SendPacket(p);
00337 return NETWORK_RECV_STATUS_OKAY;
00338 }
00339
00341 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00342 {
00343 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00344 my_client->SendPacket(p);
00345 return NETWORK_RECV_STATUS_OKAY;
00346 }
00347
00352 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00353 {
00354 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00355 p->Send_string(password);
00356 my_client->SendPacket(p);
00357 return NETWORK_RECV_STATUS_OKAY;
00358 }
00359
00364 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00365 {
00366 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00367 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00368 my_client->SendPacket(p);
00369 return NETWORK_RECV_STATUS_OKAY;
00370 }
00371
00373 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00374 {
00375 my_client->status = STATUS_MAP_WAIT;
00376
00377 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00378
00379
00380
00381
00382
00383
00384 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00385 my_client->SendPacket(p);
00386 return NETWORK_RECV_STATUS_OKAY;
00387 }
00388
00390 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00391 {
00392 my_client->status = STATUS_ACTIVE;
00393
00394 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00395 my_client->SendPacket(p);
00396 return NETWORK_RECV_STATUS_OKAY;
00397 }
00398
00400 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00401 {
00402 Packet *p = new Packet(PACKET_CLIENT_ACK);
00403
00404 p->Send_uint32(_frame_counter);
00405 p->Send_uint8 (my_client->token);
00406 my_client->SendPacket(p);
00407 return NETWORK_RECV_STATUS_OKAY;
00408 }
00409
00414 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00415 {
00416 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00417 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00418
00419 my_client->SendPacket(p);
00420 return NETWORK_RECV_STATUS_OKAY;
00421 }
00422
00424 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00425 {
00426 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00427
00428 p->Send_uint8 (action);
00429 p->Send_uint8 (type);
00430 p->Send_uint32(dest);
00431 p->Send_string(msg);
00432 p->Send_uint64(data);
00433
00434 my_client->SendPacket(p);
00435 return NETWORK_RECV_STATUS_OKAY;
00436 }
00437
00439 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00440 {
00441 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00442
00443 p->Send_uint8(errorno);
00444 my_client->SendPacket(p);
00445 return NETWORK_RECV_STATUS_OKAY;
00446 }
00447
00452 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00453 {
00454 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00455
00456 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00457 my_client->SendPacket(p);
00458 return NETWORK_RECV_STATUS_OKAY;
00459 }
00460
00465 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00466 {
00467 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00468
00469 p->Send_string(name);
00470 my_client->SendPacket(p);
00471 return NETWORK_RECV_STATUS_OKAY;
00472 }
00473
00477 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00478 {
00479 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00480
00481 my_client->SendPacket(p);
00482 return NETWORK_RECV_STATUS_OKAY;
00483 }
00484
00490 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00491 {
00492 Packet *p = new Packet(PACKET_CLIENT_RCON);
00493 p->Send_string(pass);
00494 p->Send_string(command);
00495 my_client->SendPacket(p);
00496 return NETWORK_RECV_STATUS_OKAY;
00497 }
00498
00504 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00505 {
00506 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00507 p->Send_uint8(company);
00508 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00509 my_client->SendPacket(p);
00510 return NETWORK_RECV_STATUS_OKAY;
00511 }
00512
00517 bool ClientNetworkGameSocketHandler::IsConnected()
00518 {
00519 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00520 }
00521
00522
00523
00524
00525
00526
00527
00528 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00529 extern StringID _switch_mode_errorstr;
00530
00531 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FULL(Packet *p)
00532 {
00533
00534 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00535 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00536
00537 return NETWORK_RECV_STATUS_SERVER_FULL;
00538 }
00539
00540 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_BANNED(Packet *p)
00541 {
00542
00543 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00544 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00545
00546 return NETWORK_RECV_STATUS_SERVER_BANNED;
00547 }
00548
00549 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_INFO(Packet *p)
00550 {
00551 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00552
00553 byte company_info_version = p->Recv_uint8();
00554
00555 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00556
00557 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00558
00559 CompanyID current = (Owner)p->Recv_uint8();
00560 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00561
00562 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00563 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00564
00565 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00566 company_info->inaugurated_year = p->Recv_uint32();
00567 company_info->company_value = p->Recv_uint64();
00568 company_info->money = p->Recv_uint64();
00569 company_info->income = p->Recv_uint64();
00570 company_info->performance = p->Recv_uint16();
00571 company_info->use_password = p->Recv_bool();
00572 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00573 company_info->num_vehicle[i] = p->Recv_uint16();
00574 }
00575 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00576 company_info->num_station[i] = p->Recv_uint16();
00577 }
00578 company_info->ai = p->Recv_bool();
00579
00580 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00581
00582 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00583 InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
00584 SetWindowClassesDirty(WC_WATCH_COMPANY);
00585
00586 return NETWORK_RECV_STATUS_OKAY;
00587 }
00588
00589 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00590 }
00591
00592
00593
00594
00595 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CLIENT_INFO(Packet *p)
00596 {
00597 NetworkClientInfo *ci;
00598 ClientID client_id = (ClientID)p->Recv_uint32();
00599 CompanyID playas = (CompanyID)p->Recv_uint8();
00600 char name[NETWORK_NAME_LENGTH];
00601
00602 p->Recv_string(name, sizeof(name));
00603
00604 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00605 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00606
00607 ci = NetworkClientInfo::GetByClientID(client_id);
00608 if (ci != NULL) {
00609 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00610
00611 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00612 } else if (playas != ci->client_playas) {
00613
00614
00615 }
00616
00617
00618
00619 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00620
00621 ci->client_playas = playas;
00622 strecpy(ci->client_name, name, lastof(ci->client_name));
00623
00624 SetWindowDirty(WC_CLIENT_LIST, 0);
00625 InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
00626 SetWindowClassesDirty(WC_WATCH_COMPANY);
00627
00628 return NETWORK_RECV_STATUS_OKAY;
00629 }
00630
00631
00632
00633
00634
00635
00636 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00637
00638
00639 ci = new NetworkClientInfo(client_id);
00640 ci->client_playas = playas;
00641 if (client_id == _network_own_client_id) this->SetInfo(ci);
00642
00643 strecpy(ci->client_name, name, lastof(ci->client_name));
00644
00645 SetWindowDirty(WC_CLIENT_LIST, 0);
00646
00647 return NETWORK_RECV_STATUS_OKAY;
00648 }
00649
00650 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR(Packet *p)
00651 {
00652 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00653
00654 switch (error) {
00655
00656 case NETWORK_ERROR_NOT_AUTHORIZED:
00657 case NETWORK_ERROR_NOT_EXPECTED:
00658 case NETWORK_ERROR_COMPANY_MISMATCH:
00659 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00660 break;
00661 case NETWORK_ERROR_FULL:
00662 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00663 break;
00664 case NETWORK_ERROR_WRONG_REVISION:
00665 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00666 break;
00667 case NETWORK_ERROR_WRONG_PASSWORD:
00668 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00669 break;
00670 case NETWORK_ERROR_KICKED:
00671 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00672 break;
00673 case NETWORK_ERROR_CHEATER:
00674 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00675 break;
00676 case NETWORK_ERROR_TOO_MANY_COMMANDS:
00677 _switch_mode_errorstr = STR_NETWORK_ERROR_TOO_MANY_COMMANDS;
00678 break;
00679 default:
00680 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00681 }
00682
00683 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00684
00685 return NETWORK_RECV_STATUS_SERVER_ERROR;
00686 }
00687
00688 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHECK_NEWGRFS(Packet *p)
00689 {
00690 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00691
00692 uint grf_count = p->Recv_uint8();
00693 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00694
00695
00696 for (; grf_count > 0; grf_count--) {
00697 GRFIdentifier c;
00698 this->ReceiveGRFIdentifier(p, &c);
00699
00700
00701 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00702 if (f == NULL) {
00703
00704 char buf[sizeof(c.md5sum) * 2 + 1];
00705 md5sumToString(buf, lastof(buf), c.md5sum);
00706 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00707 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00708 }
00709 }
00710
00711 if (ret == NETWORK_RECV_STATUS_OKAY) {
00712
00713 return SendNewGRFsOk();
00714 }
00715
00716
00717 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00718 return ret;
00719 }
00720
00721 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEED_GAME_PASSWORD(Packet *p)
00722 {
00723 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00724 this->status = STATUS_AUTH_GAME;
00725
00726 const char *password = _network_join_server_password;
00727 if (!StrEmpty(password)) {
00728 return SendGamePassword(password);
00729 }
00730
00731 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00732
00733 return NETWORK_RECV_STATUS_OKAY;
00734 }
00735
00736 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEED_COMPANY_PASSWORD(Packet *p)
00737 {
00738 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00739 this->status = STATUS_AUTH_COMPANY;
00740
00741 _password_game_seed = p->Recv_uint32();
00742 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00743 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00744
00745 const char *password = _network_join_company_password;
00746 if (!StrEmpty(password)) {
00747 return SendCompanyPassword(password);
00748 }
00749
00750 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00751
00752 return NETWORK_RECV_STATUS_OKAY;
00753 }
00754
00755 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_WELCOME(Packet *p)
00756 {
00757 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00758 this->status = STATUS_AUTHORIZED;
00759
00760 _network_own_client_id = (ClientID)p->Recv_uint32();
00761
00762
00763 _password_game_seed = p->Recv_uint32();
00764 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00765
00766
00767 return SendGetMap();
00768 }
00769
00770 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_WAIT(Packet *p)
00771 {
00772
00773 if (this->status != STATUS_MAP_WAIT) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00774
00775
00776 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00777 _network_join_waiting = p->Recv_uint8();
00778 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00779
00780 return NETWORK_RECV_STATUS_OKAY;
00781 }
00782
00783 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_BEGIN(Packet *p)
00784 {
00785 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00786 this->status = STATUS_MAP;
00787
00788 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00789
00790 this->savegame = new PacketReader();
00791
00792 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00793
00794 _network_join_bytes = 0;
00795 _network_join_bytes_total = 0;
00796
00797 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00798 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00799
00800 return NETWORK_RECV_STATUS_OKAY;
00801 }
00802
00803 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_SIZE(Packet *p)
00804 {
00805 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00806 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00807
00808 _network_join_bytes_total = p->Recv_uint32();
00809 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00810
00811 return NETWORK_RECV_STATUS_OKAY;
00812 }
00813
00814 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_DATA(Packet *p)
00815 {
00816 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00817 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00818
00819
00820 this->savegame->AddPacket(p);
00821
00822 _network_join_bytes = (uint32)this->savegame->written_bytes;
00823 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00824
00825 return NETWORK_RECV_STATUS_OKAY;
00826 }
00827
00828 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_DONE(Packet *p)
00829 {
00830 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00831 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00832
00833 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00834 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00835
00836
00837
00838
00839
00840
00841
00842
00843 LoadFilter *lf = this->savegame;
00844 this->savegame = NULL;
00845 lf->Reset();
00846
00847
00848 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00849
00850
00851 this->last_packet = _realtime_tick;
00852
00853 if (!load_success) {
00854 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00855 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00856 return NETWORK_RECV_STATUS_SAVEGAME;
00857 }
00858
00859
00860
00861
00862 SendMapOk();
00863
00864
00865
00866 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00867 SetLocalCompany(COMPANY_SPECTATOR);
00868
00869 if (_network_join_as != COMPANY_SPECTATOR) {
00870
00871
00872 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00873 ShowJoinStatusWindow();
00874 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00875 }
00876 } else {
00877
00878 SetLocalCompany(_network_join_as);
00879 }
00880
00881 return NETWORK_RECV_STATUS_OKAY;
00882 }
00883
00884 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FRAME(Packet *p)
00885 {
00886 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00887
00888 _frame_counter_server = p->Recv_uint32();
00889 _frame_counter_max = p->Recv_uint32();
00890 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00891
00892
00893 if (p->pos + 1 < p->size) {
00894 _sync_frame = _frame_counter_server;
00895 _sync_seed_1 = p->Recv_uint32();
00896 #ifdef NETWORK_SEND_DOUBLE_SEED
00897 _sync_seed_2 = p->Recv_uint32();
00898 #endif
00899 }
00900 #endif
00901
00902 if (p->pos != p->size) this->token = p->Recv_uint8();
00903
00904 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00905
00906
00907
00908 if (!_network_first_time && last_ack_frame < _frame_counter) {
00909 last_ack_frame = _frame_counter + DAY_TICKS;
00910 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00911 SendAck();
00912 }
00913
00914 return NETWORK_RECV_STATUS_OKAY;
00915 }
00916
00917 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SYNC(Packet *p)
00918 {
00919 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00920
00921 _sync_frame = p->Recv_uint32();
00922 _sync_seed_1 = p->Recv_uint32();
00923 #ifdef NETWORK_SEND_DOUBLE_SEED
00924 _sync_seed_2 = p->Recv_uint32();
00925 #endif
00926
00927 return NETWORK_RECV_STATUS_OKAY;
00928 }
00929
00930 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMMAND(Packet *p)
00931 {
00932 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00933
00934 CommandPacket cp;
00935 const char *err = this->ReceiveCommand(p, &cp);
00936 cp.frame = p->Recv_uint32();
00937 cp.my_cmd = p->Recv_bool();
00938
00939 if (err != NULL) {
00940 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00941 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00942 }
00943
00944 this->incoming_queue.Append(&cp);
00945
00946 return NETWORK_RECV_STATUS_OKAY;
00947 }
00948
00949 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHAT(Packet *p)
00950 {
00951 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00952
00953 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00954 const NetworkClientInfo *ci = NULL, *ci_to;
00955
00956 NetworkAction action = (NetworkAction)p->Recv_uint8();
00957 ClientID client_id = (ClientID)p->Recv_uint32();
00958 bool self_send = p->Recv_bool();
00959 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00960 int64 data = p->Recv_uint64();
00961
00962 ci_to = NetworkClientInfo::GetByClientID(client_id);
00963 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00964
00965
00966 if (self_send) {
00967 switch (action) {
00968 case NETWORK_ACTION_CHAT_CLIENT:
00969
00970 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00971 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00972 break;
00973
00974
00975 case NETWORK_ACTION_GIVE_MONEY:
00976 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00977
00978 case NETWORK_ACTION_CHAT_COMPANY: {
00979 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00980 SetDParam(0, ci_to->client_playas);
00981
00982 GetString(name, str, lastof(name));
00983 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00984 break;
00985 }
00986
00987 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00988 }
00989 } else {
00990
00991 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00992 ci = ci_to;
00993 }
00994
00995 if (ci != NULL) {
00996 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00997 }
00998 return NETWORK_RECV_STATUS_OKAY;
00999 }
01000
01001 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR_QUIT(Packet *p)
01002 {
01003 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01004
01005 ClientID client_id = (ClientID)p->Recv_uint32();
01006
01007 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01008 if (ci != NULL) {
01009 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
01010 delete ci;
01011 }
01012
01013 SetWindowDirty(WC_CLIENT_LIST, 0);
01014
01015 return NETWORK_RECV_STATUS_OKAY;
01016 }
01017
01018 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_QUIT(Packet *p)
01019 {
01020 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01021
01022 ClientID client_id = (ClientID)p->Recv_uint32();
01023
01024 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01025 if (ci != NULL) {
01026 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01027 delete ci;
01028 } else {
01029 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
01030 }
01031
01032 SetWindowDirty(WC_CLIENT_LIST, 0);
01033 InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
01034 SetWindowClassesDirty(WC_WATCH_COMPANY);
01035
01036
01037 return NETWORK_RECV_STATUS_OKAY;
01038 }
01039
01040 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_JOIN(Packet *p)
01041 {
01042 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01043
01044 ClientID client_id = (ClientID)p->Recv_uint32();
01045
01046 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01047 if (ci != NULL) {
01048 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
01049 }
01050
01051 SetWindowDirty(WC_CLIENT_LIST, 0);
01052 InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
01053 SetWindowClassesDirty(WC_WATCH_COMPANY);
01054
01055 return NETWORK_RECV_STATUS_OKAY;
01056 }
01057
01058 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SHUTDOWN(Packet *p)
01059 {
01060
01061
01062 if (this->status >= STATUS_JOIN) {
01063 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
01064 }
01065
01066 return NETWORK_RECV_STATUS_SERVER_ERROR;
01067 }
01068
01069 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEWGAME(Packet *p)
01070 {
01071
01072
01073 if (this->status >= STATUS_JOIN) {
01074
01075
01076
01077 _network_reconnect = _network_own_client_id % 16;
01078 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
01079 }
01080
01081 return NETWORK_RECV_STATUS_SERVER_ERROR;
01082 }
01083
01084 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_RCON(Packet *p)
01085 {
01086 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01087
01088 TextColour colour_code = (TextColour)p->Recv_uint16();
01089 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01090
01091 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01092 p->Recv_string(rcon_out, sizeof(rcon_out));
01093
01094 IConsolePrint(colour_code, rcon_out);
01095
01096 return NETWORK_RECV_STATUS_OKAY;
01097 }
01098
01099 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MOVE(Packet *p)
01100 {
01101 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01102
01103
01104 ClientID client_id = (ClientID)p->Recv_uint32();
01105 CompanyID company_id = (CompanyID)p->Recv_uint8();
01106
01107 if (client_id == 0) {
01108
01109 DEBUG(net, 0, "[move] received invalid client index = 0");
01110 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01111 }
01112
01113 const NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01114
01115 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01116
01117
01118 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01119
01120 if (client_id == _network_own_client_id) {
01121 SetLocalCompany(company_id);
01122 }
01123 InvalidateWindowClassesData(WC_WATCH_COMPANY, 0);
01124 SetWindowClassesDirty(WC_WATCH_COMPANY);
01125
01126 return NETWORK_RECV_STATUS_OKAY;
01127 }
01128
01129 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CONFIG_UPDATE(Packet *p)
01130 {
01131 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01132
01133 _network_server_max_companies = p->Recv_uint8();
01134 _network_server_max_spectators = p->Recv_uint8();
01135
01136 return NETWORK_RECV_STATUS_OKAY;
01137 }
01138
01139 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_UPDATE(Packet *p)
01140 {
01141 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01142
01143 _network_company_passworded = p->Recv_uint16();
01144 SetWindowClassesDirty(WC_COMPANY);
01145
01146 return NETWORK_RECV_STATUS_OKAY;
01147 }
01148
01152 void ClientNetworkGameSocketHandler::CheckConnection()
01153 {
01154
01155 if (this->status < STATUS_AUTHORIZED) return;
01156
01157
01158 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01159
01160
01161
01162 uint lag = (_realtime_tick - this->last_packet) / 1000;
01163 if (lag < 5) return;
01164
01165
01166
01167 if (lag > 20) {
01168 this->NetworkGameSocketHandler::CloseConnection();
01169 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
01170 return;
01171 }
01172
01173
01174 static uint last_lag = 0;
01175 if (last_lag == lag) return;
01176
01177 last_lag = lag;
01178 SetDParam(0, lag);
01179 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01180 }
01181
01182
01184 void NetworkClient_Connected()
01185 {
01186
01187 _frame_counter = 0;
01188 _frame_counter_server = 0;
01189 last_ack_frame = 0;
01190
01191 MyClient::SendJoin();
01192 }
01193
01199 void NetworkClientSendRcon(const char *password, const char *command)
01200 {
01201 MyClient::SendRCon(password, command);
01202 }
01203
01210 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01211 {
01212 MyClient::SendMove(company_id, pass);
01213 }
01214
01219 void NetworkClientsToSpectators(CompanyID cid)
01220 {
01221 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01222
01223 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01224
01225 NetworkClientInfo *ci;
01226 FOR_ALL_CLIENT_INFOS(ci) {
01227 if (ci->client_playas != cid) continue;
01228 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01229 ci->client_playas = COMPANY_SPECTATOR;
01230 }
01231
01232 cur_company.Restore();
01233 }
01234
01238 void NetworkUpdateClientName()
01239 {
01240 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
01241
01242 if (ci == NULL) return;
01243
01244
01245 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01246 if (!_network_server) {
01247 MyClient::SendSetName(_settings_client.network.client_name);
01248 } else {
01249 if (NetworkFindName(_settings_client.network.client_name)) {
01250 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01251 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01252 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01253 }
01254 }
01255 }
01256 }
01257
01266 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01267 {
01268 MyClient::SendChat(action, type, dest, msg, data);
01269 }
01270
01275 void NetworkClientSetCompanyPassword(const char *password)
01276 {
01277 MyClient::SendSetPassword(password);
01278 }
01279
01285 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01286 {
01287
01288 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01289
01290 const NetworkClientInfo *ci;
01291 FOR_ALL_CLIENT_INFOS(ci) {
01292 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01293 }
01294
01295 return false;
01296 }
01297
01302 bool NetworkMaxCompaniesReached()
01303 {
01304 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01305 }
01306
01311 bool NetworkMaxSpectatorsReached()
01312 {
01313 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01314 }
01315
01316 #endif