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00012 #ifdef ENABLE_NETWORK
00013
00014 #include "../stdafx.h"
00015 #include "network_gui.h"
00016 #include "../saveload/saveload.h"
00017 #include "../saveload/saveload_filter.h"
00018 #include "../command_func.h"
00019 #include "../console_func.h"
00020 #include "../strings_func.h"
00021 #include "../window_func.h"
00022 #include "../company_func.h"
00023 #include "../company_base.h"
00024 #include "../company_gui.h"
00025 #include "../core/random_func.hpp"
00026 #include "../date_func.h"
00027 #include "../gfx_func.h"
00028 #include "../error.h"
00029 #include "../rev.h"
00030 #include "network.h"
00031 #include "network_base.h"
00032 #include "network_client.h"
00033 #include "../core/backup_type.hpp"
00034
00035 #include "table/strings.h"
00036
00037
00038
00039
00041 struct PacketReader : LoadFilter {
00042 static const size_t CHUNK = 32 * 1024;
00043
00044 AutoFreeSmallVector<byte *, 16> blocks;
00045 byte *buf;
00046 byte *bufe;
00047 byte **block;
00048 size_t written_bytes;
00049 size_t read_bytes;
00050
00052 PacketReader() : LoadFilter(NULL), buf(NULL), bufe(NULL), block(NULL), written_bytes(0), read_bytes(0)
00053 {
00054 }
00055
00060 void AddPacket(const Packet *p)
00061 {
00062 assert(this->read_bytes == 0);
00063
00064 size_t in_packet = p->size - p->pos;
00065 size_t to_write = min((size_t)(this->bufe - this->buf), in_packet);
00066 const byte *pbuf = p->buffer + p->pos;
00067
00068 this->written_bytes += in_packet;
00069 if (to_write != 0) {
00070 memcpy(this->buf, pbuf, to_write);
00071 this->buf += to_write;
00072 }
00073
00074
00075 if (to_write == in_packet) return;
00076
00077
00078 pbuf += to_write;
00079 to_write = in_packet - to_write;
00080 this->buf = *this->blocks.Append() = CallocT<byte>(CHUNK);
00081 this->bufe = this->buf + CHUNK;
00082
00083 memcpy(this->buf, pbuf, to_write);
00084 this->buf += to_write;
00085 }
00086
00087 size_t Read(byte *rbuf, size_t size)
00088 {
00089
00090 size_t ret_size = size = min(this->written_bytes - this->read_bytes, size);
00091 this->read_bytes += ret_size;
00092 const byte *rbufe = rbuf + ret_size;
00093
00094 while (rbuf != rbufe) {
00095 if (this->buf == this->bufe) {
00096 this->buf = *this->block++;
00097 this->bufe = this->buf + CHUNK;
00098 }
00099
00100 size_t to_write = min(this->bufe - this->buf, rbufe - rbuf);
00101 memcpy(rbuf, this->buf, to_write);
00102 rbuf += to_write;
00103 this->buf += to_write;
00104 }
00105
00106 return ret_size;
00107 }
00108
00109 void Reset()
00110 {
00111 this->read_bytes = 0;
00112
00113 this->block = this->blocks.Begin();
00114 this->buf = *this->block++;
00115 this->bufe = this->buf + CHUNK;
00116 }
00117 };
00118
00119
00124 ClientNetworkGameSocketHandler::ClientNetworkGameSocketHandler(SOCKET s) : NetworkGameSocketHandler(s), savegame(NULL), status(STATUS_INACTIVE)
00125 {
00126 assert(ClientNetworkGameSocketHandler::my_client == NULL);
00127 ClientNetworkGameSocketHandler::my_client = this;
00128 }
00129
00131 ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler()
00132 {
00133 assert(ClientNetworkGameSocketHandler::my_client == this);
00134 ClientNetworkGameSocketHandler::my_client = NULL;
00135
00136 delete this->savegame;
00137 }
00138
00139 NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status)
00140 {
00141 assert(status != NETWORK_RECV_STATUS_OKAY);
00142
00143
00144
00145
00146
00147
00148
00149 if (this->sock == INVALID_SOCKET) return status;
00150
00151 DEBUG(net, 1, "Closed client connection %d", this->client_id);
00152
00153 this->SendPackets(true);
00154
00155
00156
00157
00158
00159 CSleep(3 * MILLISECONDS_PER_TICK);
00160
00161 delete this->GetInfo();
00162 delete this;
00163
00164 return status;
00165 }
00166
00171 void ClientNetworkGameSocketHandler::ClientError(NetworkRecvStatus res)
00172 {
00173
00174
00175 NetworkErrorCode errorno;
00176
00177
00178 if (res == NETWORK_RECV_STATUS_CLOSE_QUERY) {
00179 this->NetworkSocketHandler::CloseConnection();
00180 this->CloseConnection(res);
00181 _networking = false;
00182
00183 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00184 return;
00185 }
00186
00187 switch (res) {
00188 case NETWORK_RECV_STATUS_DESYNC: errorno = NETWORK_ERROR_DESYNC; break;
00189 case NETWORK_RECV_STATUS_SAVEGAME: errorno = NETWORK_ERROR_SAVEGAME_FAILED; break;
00190 case NETWORK_RECV_STATUS_NEWGRF_MISMATCH: errorno = NETWORK_ERROR_NEWGRF_MISMATCH; break;
00191 default: errorno = NETWORK_ERROR_GENERAL; break;
00192 }
00193
00194
00195 if (res != NETWORK_RECV_STATUS_SERVER_ERROR && res != NETWORK_RECV_STATUS_SERVER_FULL &&
00196 res != NETWORK_RECV_STATUS_SERVER_BANNED) {
00197 SendError(errorno);
00198 }
00199
00200 _switch_mode = SM_MENU;
00201 this->CloseConnection(res);
00202 _networking = false;
00203 }
00204
00205
00211 bool ClientNetworkGameSocketHandler::Receive()
00212 {
00213 if (my_client->CanSendReceive()) {
00214 NetworkRecvStatus res = my_client->ReceivePackets();
00215 if (res != NETWORK_RECV_STATUS_OKAY) {
00216
00217
00218 my_client->ClientError(res);
00219 return false;
00220 }
00221 }
00222 return _networking;
00223 }
00224
00226 void ClientNetworkGameSocketHandler::Send()
00227 {
00228 my_client->SendPackets();
00229 my_client->CheckConnection();
00230 }
00231
00236 bool ClientNetworkGameSocketHandler::GameLoop()
00237 {
00238 _frame_counter++;
00239
00240 NetworkExecuteLocalCommandQueue();
00241
00242 extern void StateGameLoop();
00243 StateGameLoop();
00244
00245
00246 if (_sync_frame != 0) {
00247 if (_sync_frame == _frame_counter) {
00248 #ifdef NETWORK_SEND_DOUBLE_SEED
00249 if (_sync_seed_1 != _random.state[0] || _sync_seed_2 != _random.state[1]) {
00250 #else
00251 if (_sync_seed_1 != _random.state[0]) {
00252 #endif
00253 NetworkError(STR_NETWORK_ERROR_DESYNC);
00254 DEBUG(desync, 1, "sync_err: %08x; %02x", _date, _date_fract);
00255 DEBUG(net, 0, "Sync error detected!");
00256 my_client->ClientError(NETWORK_RECV_STATUS_DESYNC);
00257 return false;
00258 }
00259
00260
00261
00262
00263 if (_network_first_time) {
00264 _network_first_time = false;
00265 SendAck();
00266 }
00267
00268 _sync_frame = 0;
00269 } else if (_sync_frame < _frame_counter) {
00270 DEBUG(net, 1, "Missed frame for sync-test (%d / %d)", _sync_frame, _frame_counter);
00271 _sync_frame = 0;
00272 }
00273 }
00274
00275 return true;
00276 }
00277
00278
00280 ClientNetworkGameSocketHandler * ClientNetworkGameSocketHandler::my_client = NULL;
00281
00283 static uint32 last_ack_frame;
00284
00286 static uint32 _password_game_seed;
00288 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00289
00291 static uint8 _network_server_max_companies;
00293 static uint8 _network_server_max_spectators;
00294
00296 CompanyID _network_join_as;
00297
00299 const char *_network_join_server_password = NULL;
00301 const char *_network_join_company_password = NULL;
00302
00304 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00305
00306
00307
00308
00309
00310
00312 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyInformationQuery()
00313 {
00314 my_client->status = STATUS_COMPANY_INFO;
00315 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00316 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00317
00318 Packet *p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00319 my_client->SendPacket(p);
00320 return NETWORK_RECV_STATUS_OKAY;
00321 }
00322
00324 NetworkRecvStatus ClientNetworkGameSocketHandler::SendJoin()
00325 {
00326 my_client->status = STATUS_JOIN;
00327 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00328 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00329
00330 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00331 p->Send_string(_openttd_revision);
00332 p->Send_string(_settings_client.network.client_name);
00333 p->Send_uint8 (_network_join_as);
00334 p->Send_uint8 (NETLANG_ANY);
00335 my_client->SendPacket(p);
00336 return NETWORK_RECV_STATUS_OKAY;
00337 }
00338
00340 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00341 {
00342 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00343 my_client->SendPacket(p);
00344 return NETWORK_RECV_STATUS_OKAY;
00345 }
00346
00351 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00352 {
00353 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00354 p->Send_string(password);
00355 my_client->SendPacket(p);
00356 return NETWORK_RECV_STATUS_OKAY;
00357 }
00358
00363 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00364 {
00365 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00366 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00367 my_client->SendPacket(p);
00368 return NETWORK_RECV_STATUS_OKAY;
00369 }
00370
00372 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00373 {
00374 my_client->status = STATUS_MAP_WAIT;
00375
00376 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00377
00378
00379
00380
00381
00382
00383 if (IsReleasedVersion()) p->Send_uint32(_openttd_newgrf_version);
00384 my_client->SendPacket(p);
00385 return NETWORK_RECV_STATUS_OKAY;
00386 }
00387
00389 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00390 {
00391 my_client->status = STATUS_ACTIVE;
00392
00393 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00394 my_client->SendPacket(p);
00395 return NETWORK_RECV_STATUS_OKAY;
00396 }
00397
00399 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00400 {
00401 Packet *p = new Packet(PACKET_CLIENT_ACK);
00402
00403 p->Send_uint32(_frame_counter);
00404 p->Send_uint8 (my_client->token);
00405 my_client->SendPacket(p);
00406 return NETWORK_RECV_STATUS_OKAY;
00407 }
00408
00413 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00414 {
00415 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00416 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00417
00418 my_client->SendPacket(p);
00419 return NETWORK_RECV_STATUS_OKAY;
00420 }
00421
00423 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00424 {
00425 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00426
00427 p->Send_uint8 (action);
00428 p->Send_uint8 (type);
00429 p->Send_uint32(dest);
00430 p->Send_string(msg);
00431 p->Send_uint64(data);
00432
00433 my_client->SendPacket(p);
00434 return NETWORK_RECV_STATUS_OKAY;
00435 }
00436
00438 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00439 {
00440 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00441
00442 p->Send_uint8(errorno);
00443 my_client->SendPacket(p);
00444 return NETWORK_RECV_STATUS_OKAY;
00445 }
00446
00451 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00452 {
00453 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00454
00455 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00456 my_client->SendPacket(p);
00457 return NETWORK_RECV_STATUS_OKAY;
00458 }
00459
00464 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00465 {
00466 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00467
00468 p->Send_string(name);
00469 my_client->SendPacket(p);
00470 return NETWORK_RECV_STATUS_OKAY;
00471 }
00472
00476 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00477 {
00478 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00479
00480 my_client->SendPacket(p);
00481 return NETWORK_RECV_STATUS_OKAY;
00482 }
00483
00489 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00490 {
00491 Packet *p = new Packet(PACKET_CLIENT_RCON);
00492 p->Send_string(pass);
00493 p->Send_string(command);
00494 my_client->SendPacket(p);
00495 return NETWORK_RECV_STATUS_OKAY;
00496 }
00497
00503 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00504 {
00505 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00506 p->Send_uint8(company);
00507 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00508 my_client->SendPacket(p);
00509 return NETWORK_RECV_STATUS_OKAY;
00510 }
00511
00516 bool ClientNetworkGameSocketHandler::IsConnected()
00517 {
00518 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00519 }
00520
00521
00522
00523
00524
00525
00526
00527 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00528
00529 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FULL(Packet *p)
00530 {
00531
00532 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_FULL, INVALID_STRING_ID, WL_CRITICAL);
00533 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00534
00535 return NETWORK_RECV_STATUS_SERVER_FULL;
00536 }
00537
00538 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_BANNED(Packet *p)
00539 {
00540
00541 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_BANNED, INVALID_STRING_ID, WL_CRITICAL);
00542 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00543
00544 return NETWORK_RECV_STATUS_SERVER_BANNED;
00545 }
00546
00547 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_INFO(Packet *p)
00548 {
00549 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00550
00551 byte company_info_version = p->Recv_uint8();
00552
00553 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00554
00555 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00556
00557 CompanyID current = (Owner)p->Recv_uint8();
00558 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00559
00560 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00561 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00562
00563 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00564 company_info->inaugurated_year = p->Recv_uint32();
00565 company_info->company_value = p->Recv_uint64();
00566 company_info->money = p->Recv_uint64();
00567 company_info->income = p->Recv_uint64();
00568 company_info->performance = p->Recv_uint16();
00569 company_info->use_password = p->Recv_bool();
00570 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00571 company_info->num_vehicle[i] = p->Recv_uint16();
00572 }
00573 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00574 company_info->num_station[i] = p->Recv_uint16();
00575 }
00576 company_info->ai = p->Recv_bool();
00577
00578 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00579
00580 SetWindowDirty(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_GAME);
00581
00582 return NETWORK_RECV_STATUS_OKAY;
00583 }
00584
00585 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00586 }
00587
00588
00589
00590
00591 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CLIENT_INFO(Packet *p)
00592 {
00593 NetworkClientInfo *ci;
00594 ClientID client_id = (ClientID)p->Recv_uint32();
00595 CompanyID playas = (CompanyID)p->Recv_uint8();
00596 char name[NETWORK_NAME_LENGTH];
00597
00598 p->Recv_string(name, sizeof(name));
00599
00600 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00601 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00602
00603 ci = NetworkClientInfo::GetByClientID(client_id);
00604 if (ci != NULL) {
00605 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00606
00607 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00608 } else if (playas != ci->client_playas) {
00609
00610
00611 }
00612
00613
00614
00615 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00616
00617 ci->client_playas = playas;
00618 strecpy(ci->client_name, name, lastof(ci->client_name));
00619
00620 SetWindowDirty(WC_CLIENT_LIST, 0);
00621
00622 return NETWORK_RECV_STATUS_OKAY;
00623 }
00624
00625
00626
00627
00628
00629
00630 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00631
00632
00633 ci = new NetworkClientInfo(client_id);
00634 ci->client_playas = playas;
00635 if (client_id == _network_own_client_id) this->SetInfo(ci);
00636
00637 strecpy(ci->client_name, name, lastof(ci->client_name));
00638
00639 SetWindowDirty(WC_CLIENT_LIST, 0);
00640
00641 return NETWORK_RECV_STATUS_OKAY;
00642 }
00643
00644 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR(Packet *p)
00645 {
00646 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00647
00648 switch (error) {
00649
00650 case NETWORK_ERROR_NOT_AUTHORIZED:
00651 case NETWORK_ERROR_NOT_EXPECTED:
00652 case NETWORK_ERROR_COMPANY_MISMATCH:
00653 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_ERROR, INVALID_STRING_ID, WL_CRITICAL);
00654 break;
00655 case NETWORK_ERROR_FULL:
00656 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_FULL, INVALID_STRING_ID, WL_CRITICAL);
00657 break;
00658 case NETWORK_ERROR_WRONG_REVISION:
00659 ShowErrorMessage(STR_NETWORK_ERROR_WRONG_REVISION, INVALID_STRING_ID, WL_CRITICAL);
00660 break;
00661 case NETWORK_ERROR_WRONG_PASSWORD:
00662 ShowErrorMessage(STR_NETWORK_ERROR_WRONG_PASSWORD, INVALID_STRING_ID, WL_CRITICAL);
00663 break;
00664 case NETWORK_ERROR_KICKED:
00665 ShowErrorMessage(STR_NETWORK_ERROR_KICKED, INVALID_STRING_ID, WL_CRITICAL);
00666 break;
00667 case NETWORK_ERROR_CHEATER:
00668 ShowErrorMessage(STR_NETWORK_ERROR_CHEATER, INVALID_STRING_ID, WL_CRITICAL);
00669 break;
00670 case NETWORK_ERROR_TOO_MANY_COMMANDS:
00671 ShowErrorMessage(STR_NETWORK_ERROR_TOO_MANY_COMMANDS, INVALID_STRING_ID, WL_CRITICAL);
00672 break;
00673 case NETWORK_ERROR_TIMEOUT_PASSWORD:
00674 ShowErrorMessage(STR_NETWORK_ERROR_TIMEOUT_PASSWORD, INVALID_STRING_ID, WL_CRITICAL);
00675 break;
00676 case NETWORK_ERROR_TIMEOUT_COMPUTER:
00677 ShowErrorMessage(STR_NETWORK_ERROR_TIMEOUT_COMPUTER, INVALID_STRING_ID, WL_CRITICAL);
00678 break;
00679 default:
00680 ShowErrorMessage(STR_NETWORK_ERROR_LOSTCONNECTION, INVALID_STRING_ID, WL_CRITICAL);
00681 }
00682
00683 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
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 ShowErrorMessage(STR_NETWORK_ERROR_NEWGRF_MISMATCH, INVALID_STRING_ID, WL_CRITICAL);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
00835
00836
00837
00838
00839
00840
00841
00842
00843 LoadFilter *lf = this->savegame;
00844 this->savegame = NULL;
00845 lf->Reset();
00846
00847
00848 ClearErrorMessages();
00849 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00850
00851
00852 this->last_packet = _realtime_tick;
00853
00854 if (!load_success) {
00855 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00856 ShowErrorMessage(STR_NETWORK_ERROR_SAVEGAMEERROR, INVALID_STRING_ID, WL_CRITICAL);
00857 return NETWORK_RECV_STATUS_SAVEGAME;
00858 }
00859
00860
00861
00862
00863 SendMapOk();
00864
00865
00866
00867 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00868 SetLocalCompany(COMPANY_SPECTATOR);
00869
00870 if (_network_join_as != COMPANY_SPECTATOR) {
00871
00872
00873 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00874 ShowJoinStatusWindow();
00875 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00876 }
00877 } else {
00878
00879 SetLocalCompany(_network_join_as);
00880 }
00881
00882 return NETWORK_RECV_STATUS_OKAY;
00883 }
00884
00885 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FRAME(Packet *p)
00886 {
00887 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00888
00889 _frame_counter_server = p->Recv_uint32();
00890 _frame_counter_max = p->Recv_uint32();
00891 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00892
00893
00894 if (p->pos + 1 < p->size) {
00895 _sync_frame = _frame_counter_server;
00896 _sync_seed_1 = p->Recv_uint32();
00897 #ifdef NETWORK_SEND_DOUBLE_SEED
00898 _sync_seed_2 = p->Recv_uint32();
00899 #endif
00900 }
00901 #endif
00902
00903 if (p->pos != p->size) this->token = p->Recv_uint8();
00904
00905 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00906
00907
00908
00909 if (!_network_first_time && last_ack_frame < _frame_counter) {
00910 last_ack_frame = _frame_counter + DAY_TICKS;
00911 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00912 SendAck();
00913 }
00914
00915 return NETWORK_RECV_STATUS_OKAY;
00916 }
00917
00918 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SYNC(Packet *p)
00919 {
00920 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00921
00922 _sync_frame = p->Recv_uint32();
00923 _sync_seed_1 = p->Recv_uint32();
00924 #ifdef NETWORK_SEND_DOUBLE_SEED
00925 _sync_seed_2 = p->Recv_uint32();
00926 #endif
00927
00928 return NETWORK_RECV_STATUS_OKAY;
00929 }
00930
00931 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMMAND(Packet *p)
00932 {
00933 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00934
00935 CommandPacket cp;
00936 const char *err = this->ReceiveCommand(p, &cp);
00937 cp.frame = p->Recv_uint32();
00938 cp.my_cmd = p->Recv_bool();
00939
00940 if (err != NULL) {
00941 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00942 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00943 }
00944
00945 this->incoming_queue.Append(&cp);
00946
00947 return NETWORK_RECV_STATUS_OKAY;
00948 }
00949
00950 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHAT(Packet *p)
00951 {
00952 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00953
00954 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00955 const NetworkClientInfo *ci = NULL, *ci_to;
00956
00957 NetworkAction action = (NetworkAction)p->Recv_uint8();
00958 ClientID client_id = (ClientID)p->Recv_uint32();
00959 bool self_send = p->Recv_bool();
00960 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00961 int64 data = p->Recv_uint64();
00962
00963 ci_to = NetworkClientInfo::GetByClientID(client_id);
00964 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00965
00966
00967 if (self_send) {
00968 switch (action) {
00969 case NETWORK_ACTION_CHAT_CLIENT:
00970
00971 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00972 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00973 break;
00974
00975
00976 case NETWORK_ACTION_GIVE_MONEY:
00977 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00978
00979 case NETWORK_ACTION_CHAT_COMPANY: {
00980 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00981 SetDParam(0, ci_to->client_playas);
00982
00983 GetString(name, str, lastof(name));
00984 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00985 break;
00986 }
00987
00988 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00989 }
00990 } else {
00991
00992 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00993 ci = ci_to;
00994 }
00995
00996 if (ci != NULL) {
00997 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00998 }
00999 return NETWORK_RECV_STATUS_OKAY;
01000 }
01001
01002 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR_QUIT(Packet *p)
01003 {
01004 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01005
01006 ClientID client_id = (ClientID)p->Recv_uint32();
01007
01008 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01009 if (ci != NULL) {
01010 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
01011 delete ci;
01012 }
01013
01014 SetWindowDirty(WC_CLIENT_LIST, 0);
01015
01016 return NETWORK_RECV_STATUS_OKAY;
01017 }
01018
01019 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_QUIT(Packet *p)
01020 {
01021 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01022
01023 ClientID client_id = (ClientID)p->Recv_uint32();
01024
01025 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01026 if (ci != NULL) {
01027 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01028 delete ci;
01029 } else {
01030 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
01031 }
01032
01033 SetWindowDirty(WC_CLIENT_LIST, 0);
01034
01035
01036 return NETWORK_RECV_STATUS_OKAY;
01037 }
01038
01039 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_JOIN(Packet *p)
01040 {
01041 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01042
01043 ClientID client_id = (ClientID)p->Recv_uint32();
01044
01045 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01046 if (ci != NULL) {
01047 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
01048 }
01049
01050 SetWindowDirty(WC_CLIENT_LIST, 0);
01051
01052 return NETWORK_RECV_STATUS_OKAY;
01053 }
01054
01055 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SHUTDOWN(Packet *p)
01056 {
01057
01058
01059 if (this->status >= STATUS_JOIN) {
01060 ShowErrorMessage(STR_NETWORK_MESSAGE_SERVER_SHUTDOWN, INVALID_STRING_ID, WL_CRITICAL);
01061 }
01062
01063 return NETWORK_RECV_STATUS_SERVER_ERROR;
01064 }
01065
01066 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEWGAME(Packet *p)
01067 {
01068
01069
01070 if (this->status >= STATUS_JOIN) {
01071
01072
01073
01074 _network_reconnect = _network_own_client_id % 16;
01075 ShowErrorMessage(STR_NETWORK_MESSAGE_SERVER_REBOOT, INVALID_STRING_ID, WL_CRITICAL);
01076 }
01077
01078 return NETWORK_RECV_STATUS_SERVER_ERROR;
01079 }
01080
01081 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_RCON(Packet *p)
01082 {
01083 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01084
01085 TextColour colour_code = (TextColour)p->Recv_uint16();
01086 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01087
01088 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01089 p->Recv_string(rcon_out, sizeof(rcon_out));
01090
01091 IConsolePrint(colour_code, rcon_out);
01092
01093 return NETWORK_RECV_STATUS_OKAY;
01094 }
01095
01096 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MOVE(Packet *p)
01097 {
01098 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01099
01100
01101 ClientID client_id = (ClientID)p->Recv_uint32();
01102 CompanyID company_id = (CompanyID)p->Recv_uint8();
01103
01104 if (client_id == 0) {
01105
01106 DEBUG(net, 0, "[move] received invalid client index = 0");
01107 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01108 }
01109
01110 const NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01111
01112 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01113
01114
01115 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01116
01117 if (client_id == _network_own_client_id) {
01118 SetLocalCompany(company_id);
01119 }
01120
01121 return NETWORK_RECV_STATUS_OKAY;
01122 }
01123
01124 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CONFIG_UPDATE(Packet *p)
01125 {
01126 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01127
01128 _network_server_max_companies = p->Recv_uint8();
01129 _network_server_max_spectators = p->Recv_uint8();
01130
01131 return NETWORK_RECV_STATUS_OKAY;
01132 }
01133
01134 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_UPDATE(Packet *p)
01135 {
01136 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01137
01138 _network_company_passworded = p->Recv_uint16();
01139 SetWindowClassesDirty(WC_COMPANY);
01140
01141 return NETWORK_RECV_STATUS_OKAY;
01142 }
01143
01147 void ClientNetworkGameSocketHandler::CheckConnection()
01148 {
01149
01150 if (this->status < STATUS_AUTHORIZED) return;
01151
01152
01153 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01154
01155
01156
01157 uint lag = (_realtime_tick - this->last_packet) / 1000;
01158 if (lag < 5) return;
01159
01160
01161
01162 if (lag > 20) {
01163 this->NetworkGameSocketHandler::CloseConnection();
01164 ShowErrorMessage(STR_NETWORK_ERROR_LOSTCONNECTION, INVALID_STRING_ID, WL_CRITICAL);
01165 return;
01166 }
01167
01168
01169 static uint last_lag = 0;
01170 if (last_lag == lag) return;
01171
01172 last_lag = lag;
01173 SetDParam(0, lag);
01174 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01175 }
01176
01177
01179 void NetworkClient_Connected()
01180 {
01181
01182 _frame_counter = 0;
01183 _frame_counter_server = 0;
01184 last_ack_frame = 0;
01185
01186 MyClient::SendJoin();
01187 }
01188
01194 void NetworkClientSendRcon(const char *password, const char *command)
01195 {
01196 MyClient::SendRCon(password, command);
01197 }
01198
01205 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01206 {
01207 MyClient::SendMove(company_id, pass);
01208 }
01209
01214 void NetworkClientsToSpectators(CompanyID cid)
01215 {
01216 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01217
01218 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01219
01220 NetworkClientInfo *ci;
01221 FOR_ALL_CLIENT_INFOS(ci) {
01222 if (ci->client_playas != cid) continue;
01223 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01224 ci->client_playas = COMPANY_SPECTATOR;
01225 }
01226
01227 cur_company.Restore();
01228 }
01229
01233 void NetworkUpdateClientName()
01234 {
01235 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
01236
01237 if (ci == NULL) return;
01238
01239
01240 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01241 if (!_network_server) {
01242 MyClient::SendSetName(_settings_client.network.client_name);
01243 } else {
01244 if (NetworkFindName(_settings_client.network.client_name)) {
01245 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01246 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01247 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01248 }
01249 }
01250 }
01251 }
01252
01261 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01262 {
01263 MyClient::SendChat(action, type, dest, msg, data);
01264 }
01265
01270 void NetworkClientSetCompanyPassword(const char *password)
01271 {
01272 MyClient::SendSetPassword(password);
01273 }
01274
01280 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01281 {
01282
01283 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01284
01285 const NetworkClientInfo *ci;
01286 FOR_ALL_CLIENT_INFOS(ci) {
01287 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01288 }
01289
01290 return false;
01291 }
01292
01297 bool NetworkMaxCompaniesReached()
01298 {
01299 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01300 }
01301
01306 bool NetworkMaxSpectatorsReached()
01307 {
01308 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01309 }
01310
01311 #endif