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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 #include "../viewport_func.h"
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
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, WN_NETWORK_STATUS_WINDOW_JOIN);
00330
00331 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00332 p->Send_string(_openttd_revision);
00333 p->Send_uint32(_openttd_newgrf_version);
00334 p->Send_string(_settings_client.network.client_name);
00335 p->Send_uint8 (_network_join_as);
00336 p->Send_uint8 (NETLANG_ANY);
00337 my_client->SendPacket(p);
00338 return NETWORK_RECV_STATUS_OKAY;
00339 }
00340
00342 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00343 {
00344 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00345 my_client->SendPacket(p);
00346 return NETWORK_RECV_STATUS_OKAY;
00347 }
00348
00353 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00354 {
00355 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00356 p->Send_string(password);
00357 my_client->SendPacket(p);
00358 return NETWORK_RECV_STATUS_OKAY;
00359 }
00360
00365 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00366 {
00367 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00368 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00369 my_client->SendPacket(p);
00370 return NETWORK_RECV_STATUS_OKAY;
00371 }
00372
00374 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00375 {
00376 my_client->status = STATUS_MAP_WAIT;
00377
00378 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00379 my_client->SendPacket(p);
00380 return NETWORK_RECV_STATUS_OKAY;
00381 }
00382
00384 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00385 {
00386 my_client->status = STATUS_ACTIVE;
00387
00388 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00389 my_client->SendPacket(p);
00390 return NETWORK_RECV_STATUS_OKAY;
00391 }
00392
00394 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00395 {
00396 Packet *p = new Packet(PACKET_CLIENT_ACK);
00397
00398 p->Send_uint32(_frame_counter);
00399 p->Send_uint8 (my_client->token);
00400 my_client->SendPacket(p);
00401 return NETWORK_RECV_STATUS_OKAY;
00402 }
00403
00408 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00409 {
00410 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00411 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00412
00413 my_client->SendPacket(p);
00414 return NETWORK_RECV_STATUS_OKAY;
00415 }
00416
00418 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00419 {
00420 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00421
00422 p->Send_uint8 (action);
00423 p->Send_uint8 (type);
00424 p->Send_uint32(dest);
00425 p->Send_string(msg);
00426 p->Send_uint64(data);
00427
00428 my_client->SendPacket(p);
00429 return NETWORK_RECV_STATUS_OKAY;
00430 }
00431
00433 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00434 {
00435 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00436
00437 p->Send_uint8(errorno);
00438 my_client->SendPacket(p);
00439 return NETWORK_RECV_STATUS_OKAY;
00440 }
00441
00446 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00447 {
00448 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00449
00450 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00451 my_client->SendPacket(p);
00452 return NETWORK_RECV_STATUS_OKAY;
00453 }
00454
00459 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00460 {
00461 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00462
00463 p->Send_string(name);
00464 my_client->SendPacket(p);
00465 return NETWORK_RECV_STATUS_OKAY;
00466 }
00467
00471 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00472 {
00473 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00474
00475 my_client->SendPacket(p);
00476 return NETWORK_RECV_STATUS_OKAY;
00477 }
00478
00484 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00485 {
00486 Packet *p = new Packet(PACKET_CLIENT_RCON);
00487 p->Send_string(pass);
00488 p->Send_string(command);
00489 my_client->SendPacket(p);
00490 return NETWORK_RECV_STATUS_OKAY;
00491 }
00492
00498 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00499 {
00500 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00501 p->Send_uint8(company);
00502 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00503 my_client->SendPacket(p);
00504 return NETWORK_RECV_STATUS_OKAY;
00505 }
00506
00511 bool ClientNetworkGameSocketHandler::IsConnected()
00512 {
00513 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00514 }
00515
00516
00517
00518
00519
00520
00521
00522 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00523
00524 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FULL(Packet *p)
00525 {
00526
00527 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_FULL, INVALID_STRING_ID, WL_CRITICAL);
00528 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00529
00530 return NETWORK_RECV_STATUS_SERVER_FULL;
00531 }
00532
00533 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_BANNED(Packet *p)
00534 {
00535
00536 ShowErrorMessage(STR_NETWORK_ERROR_SERVER_BANNED, INVALID_STRING_ID, WL_CRITICAL);
00537 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00538
00539 return NETWORK_RECV_STATUS_SERVER_BANNED;
00540 }
00541
00542 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_INFO(Packet *p)
00543 {
00544 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00545
00546 byte company_info_version = p->Recv_uint8();
00547
00548 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00549
00550 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00551
00552 CompanyID current = (Owner)p->Recv_uint8();
00553 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00554
00555 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00556 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00557
00558 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00559 company_info->inaugurated_year = p->Recv_uint32();
00560 company_info->company_value = p->Recv_uint64();
00561 company_info->money = p->Recv_uint64();
00562 company_info->income = p->Recv_uint64();
00563 company_info->performance = p->Recv_uint16();
00564 company_info->use_password = p->Recv_bool();
00565 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00566 company_info->num_vehicle[i] = p->Recv_uint16();
00567 }
00568 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00569 company_info->num_station[i] = p->Recv_uint16();
00570 }
00571 company_info->ai = p->Recv_bool();
00572
00573 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00574
00575 SetWindowDirty(WC_NETWORK_WINDOW, WN_NETWORK_WINDOW_LOBBY);
00576
00577 return NETWORK_RECV_STATUS_OKAY;
00578 }
00579
00580 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00581 }
00582
00583
00584
00585
00586 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CLIENT_INFO(Packet *p)
00587 {
00588 NetworkClientInfo *ci;
00589 ClientID client_id = (ClientID)p->Recv_uint32();
00590 CompanyID playas = (CompanyID)p->Recv_uint8();
00591 char name[NETWORK_NAME_LENGTH];
00592
00593 p->Recv_string(name, sizeof(name));
00594
00595 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00596 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00597
00598 ci = NetworkClientInfo::GetByClientID(client_id);
00599 if (ci != NULL) {
00600 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00601
00602 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00603 } else if (playas != ci->client_playas) {
00604
00605
00606 }
00607
00608
00609
00610 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00611
00612 ci->client_playas = playas;
00613 strecpy(ci->client_name, name, lastof(ci->client_name));
00614
00615 SetWindowDirty(WC_CLIENT_LIST, 0);
00616
00617 return NETWORK_RECV_STATUS_OKAY;
00618 }
00619
00620
00621
00622
00623
00624
00625 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00626
00627
00628 ci = new NetworkClientInfo(client_id);
00629 ci->client_playas = playas;
00630 if (client_id == _network_own_client_id) this->SetInfo(ci);
00631
00632 strecpy(ci->client_name, name, lastof(ci->client_name));
00633
00634 SetWindowDirty(WC_CLIENT_LIST, 0);
00635
00636 return NETWORK_RECV_STATUS_OKAY;
00637 }
00638
00639 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR(Packet *p)
00640 {
00641 static const StringID network_error_strings[] = {
00642 STR_NETWORK_ERROR_LOSTCONNECTION,
00643 STR_NETWORK_ERROR_LOSTCONNECTION,
00644 STR_NETWORK_ERROR_LOSTCONNECTION,
00645 STR_NETWORK_ERROR_LOSTCONNECTION,
00646 STR_NETWORK_ERROR_LOSTCONNECTION,
00647 STR_NETWORK_ERROR_LOSTCONNECTION,
00648 STR_NETWORK_ERROR_SERVER_ERROR,
00649 STR_NETWORK_ERROR_SERVER_ERROR,
00650 STR_NETWORK_ERROR_WRONG_REVISION,
00651 STR_NETWORK_ERROR_LOSTCONNECTION,
00652 STR_NETWORK_ERROR_WRONG_PASSWORD,
00653 STR_NETWORK_ERROR_SERVER_ERROR,
00654 STR_NETWORK_ERROR_KICKED,
00655 STR_NETWORK_ERROR_CHEATER,
00656 STR_NETWORK_ERROR_SERVER_FULL,
00657 STR_NETWORK_ERROR_TOO_MANY_COMMANDS,
00658 STR_NETWORK_ERROR_TIMEOUT_PASSWORD,
00659 STR_NETWORK_ERROR_TIMEOUT_COMPUTER,
00660 STR_NETWORK_ERROR_TIMEOUT_MAP,
00661 STR_NETWORK_ERROR_TIMEOUT_JOIN,
00662 };
00663 assert_compile(lengthof(network_error_strings) == NETWORK_ERROR_END);
00664
00665 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00666
00667 StringID err = STR_NETWORK_ERROR_LOSTCONNECTION;
00668 if (error < (ptrdiff_t)lengthof(network_error_strings)) err = network_error_strings[error];
00669
00670 ShowErrorMessage(err, INVALID_STRING_ID, WL_CRITICAL);
00671
00672 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00673
00674 return NETWORK_RECV_STATUS_SERVER_ERROR;
00675 }
00676
00677 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHECK_NEWGRFS(Packet *p)
00678 {
00679 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00680
00681 uint grf_count = p->Recv_uint8();
00682 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00683
00684
00685 for (; grf_count > 0; grf_count--) {
00686 GRFIdentifier c;
00687 this->ReceiveGRFIdentifier(p, &c);
00688
00689
00690 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00691 if (f == NULL) {
00692
00693 char buf[sizeof(c.md5sum) * 2 + 1];
00694 md5sumToString(buf, lastof(buf), c.md5sum);
00695 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00696 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00697 }
00698 }
00699
00700 if (ret == NETWORK_RECV_STATUS_OKAY) {
00701
00702 return SendNewGRFsOk();
00703 }
00704
00705
00706 ShowErrorMessage(STR_NETWORK_ERROR_NEWGRF_MISMATCH, INVALID_STRING_ID, WL_CRITICAL);
00707 return ret;
00708 }
00709
00710 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEED_GAME_PASSWORD(Packet *p)
00711 {
00712 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00713 this->status = STATUS_AUTH_GAME;
00714
00715 const char *password = _network_join_server_password;
00716 if (!StrEmpty(password)) {
00717 return SendGamePassword(password);
00718 }
00719
00720 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00721
00722 return NETWORK_RECV_STATUS_OKAY;
00723 }
00724
00725 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEED_COMPANY_PASSWORD(Packet *p)
00726 {
00727 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00728 this->status = STATUS_AUTH_COMPANY;
00729
00730 _password_game_seed = p->Recv_uint32();
00731 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00732 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00733
00734 const char *password = _network_join_company_password;
00735 if (!StrEmpty(password)) {
00736 return SendCompanyPassword(password);
00737 }
00738
00739 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00740
00741 return NETWORK_RECV_STATUS_OKAY;
00742 }
00743
00744 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_WELCOME(Packet *p)
00745 {
00746 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00747 this->status = STATUS_AUTHORIZED;
00748
00749 _network_own_client_id = (ClientID)p->Recv_uint32();
00750
00751
00752 _password_game_seed = p->Recv_uint32();
00753 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00754
00755
00756 return SendGetMap();
00757 }
00758
00759 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_WAIT(Packet *p)
00760 {
00761
00762 if (this->status != STATUS_MAP_WAIT) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00763
00764
00765 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00766 _network_join_waiting = p->Recv_uint8();
00767 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00768
00769 return NETWORK_RECV_STATUS_OKAY;
00770 }
00771
00772 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_BEGIN(Packet *p)
00773 {
00774 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00775 this->status = STATUS_MAP;
00776
00777 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00778
00779 this->savegame = new PacketReader();
00780
00781 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00782
00783 _network_join_bytes = 0;
00784 _network_join_bytes_total = 0;
00785
00786 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00787 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00788
00789 return NETWORK_RECV_STATUS_OKAY;
00790 }
00791
00792 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_SIZE(Packet *p)
00793 {
00794 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00795 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00796
00797 _network_join_bytes_total = p->Recv_uint32();
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_DATA(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
00809 this->savegame->AddPacket(p);
00810
00811 _network_join_bytes = (uint32)this->savegame->written_bytes;
00812 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00813
00814 return NETWORK_RECV_STATUS_OKAY;
00815 }
00816
00817 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MAP_DONE(Packet *p)
00818 {
00819 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00820 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00821
00822 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00823 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00824
00825
00826
00827
00828
00829
00830
00831
00832 LoadFilter *lf = this->savegame;
00833 this->savegame = NULL;
00834 lf->Reset();
00835
00836
00837 ClearErrorMessages();
00838 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00839
00840
00841 this->last_packet = _realtime_tick;
00842
00843 if (!load_success) {
00844 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, WN_NETWORK_STATUS_WINDOW_JOIN);
00845 ShowErrorMessage(STR_NETWORK_ERROR_SAVEGAMEERROR, INVALID_STRING_ID, WL_CRITICAL);
00846 return NETWORK_RECV_STATUS_SAVEGAME;
00847 }
00848
00849
00850
00851
00852 SendMapOk();
00853
00854
00855
00856 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00857 SetLocalCompany(COMPANY_SPECTATOR);
00858
00859 if (_network_join_as != COMPANY_SPECTATOR) {
00860
00861
00862 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00863 ShowJoinStatusWindow();
00864 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00865 }
00866 } else {
00867
00868 SetLocalCompany(_network_join_as);
00869 Company *c = Company::Get(_network_join_as);
00870 if (c->location_of_HQ != INVALID_TILE) ScrollMainWindowToTile(c->location_of_HQ, true);
00871 }
00872
00873 return NETWORK_RECV_STATUS_OKAY;
00874 }
00875
00876 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FRAME(Packet *p)
00877 {
00878 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00879
00880 _frame_counter_server = p->Recv_uint32();
00881 _frame_counter_max = p->Recv_uint32();
00882 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00883
00884
00885 if (p->pos + 1 < p->size) {
00886 _sync_frame = _frame_counter_server;
00887 _sync_seed_1 = p->Recv_uint32();
00888 #ifdef NETWORK_SEND_DOUBLE_SEED
00889 _sync_seed_2 = p->Recv_uint32();
00890 #endif
00891 }
00892 #endif
00893
00894 if (p->pos != p->size) this->token = p->Recv_uint8();
00895
00896 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00897
00898
00899
00900 if (!_network_first_time && last_ack_frame < _frame_counter) {
00901 last_ack_frame = _frame_counter + DAY_TICKS;
00902 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00903 SendAck();
00904 }
00905
00906 return NETWORK_RECV_STATUS_OKAY;
00907 }
00908
00909 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SYNC(Packet *p)
00910 {
00911 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00912
00913 _sync_frame = p->Recv_uint32();
00914 _sync_seed_1 = p->Recv_uint32();
00915 #ifdef NETWORK_SEND_DOUBLE_SEED
00916 _sync_seed_2 = p->Recv_uint32();
00917 #endif
00918
00919 return NETWORK_RECV_STATUS_OKAY;
00920 }
00921
00922 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMMAND(Packet *p)
00923 {
00924 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00925
00926 CommandPacket cp;
00927 const char *err = this->ReceiveCommand(p, &cp);
00928 cp.frame = p->Recv_uint32();
00929 cp.my_cmd = p->Recv_bool();
00930
00931 if (err != NULL) {
00932 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00933 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00934 }
00935
00936 this->incoming_queue.Append(&cp);
00937
00938 return NETWORK_RECV_STATUS_OKAY;
00939 }
00940
00941 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHAT(Packet *p)
00942 {
00943 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00944
00945 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00946 const NetworkClientInfo *ci = NULL, *ci_to;
00947
00948 NetworkAction action = (NetworkAction)p->Recv_uint8();
00949 ClientID client_id = (ClientID)p->Recv_uint32();
00950 bool self_send = p->Recv_bool();
00951 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00952 int64 data = p->Recv_uint64();
00953
00954 ci_to = NetworkClientInfo::GetByClientID(client_id);
00955 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00956
00957
00958 if (self_send) {
00959 switch (action) {
00960 case NETWORK_ACTION_CHAT_CLIENT:
00961
00962 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00963 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00964 break;
00965
00966
00967 case NETWORK_ACTION_GIVE_MONEY:
00968 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00969
00970 case NETWORK_ACTION_CHAT_COMPANY: {
00971 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00972 SetDParam(0, ci_to->client_playas);
00973
00974 GetString(name, str, lastof(name));
00975 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00976 break;
00977 }
00978
00979 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00980 }
00981 } else {
00982
00983 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00984 ci = ci_to;
00985 }
00986
00987 if (ci != NULL) {
00988 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00989 }
00990 return NETWORK_RECV_STATUS_OKAY;
00991 }
00992
00993 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_ERROR_QUIT(Packet *p)
00994 {
00995 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00996
00997 ClientID client_id = (ClientID)p->Recv_uint32();
00998
00999 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01000 if (ci != NULL) {
01001 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
01002 delete ci;
01003 }
01004
01005 SetWindowDirty(WC_CLIENT_LIST, 0);
01006
01007 return NETWORK_RECV_STATUS_OKAY;
01008 }
01009
01010 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_QUIT(Packet *p)
01011 {
01012 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01013
01014 ClientID client_id = (ClientID)p->Recv_uint32();
01015
01016 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01017 if (ci != NULL) {
01018 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01019 delete ci;
01020 } else {
01021 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
01022 }
01023
01024 SetWindowDirty(WC_CLIENT_LIST, 0);
01025
01026
01027 return NETWORK_RECV_STATUS_OKAY;
01028 }
01029
01030 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_JOIN(Packet *p)
01031 {
01032 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01033
01034 ClientID client_id = (ClientID)p->Recv_uint32();
01035
01036 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01037 if (ci != NULL) {
01038 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
01039 }
01040
01041 SetWindowDirty(WC_CLIENT_LIST, 0);
01042
01043 return NETWORK_RECV_STATUS_OKAY;
01044 }
01045
01046 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_SHUTDOWN(Packet *p)
01047 {
01048
01049
01050 if (this->status >= STATUS_JOIN) {
01051 ShowErrorMessage(STR_NETWORK_MESSAGE_SERVER_SHUTDOWN, INVALID_STRING_ID, WL_CRITICAL);
01052 }
01053
01054 return NETWORK_RECV_STATUS_SERVER_ERROR;
01055 }
01056
01057 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_NEWGAME(Packet *p)
01058 {
01059
01060
01061 if (this->status >= STATUS_JOIN) {
01062
01063
01064
01065 _network_reconnect = _network_own_client_id % 16;
01066 ShowErrorMessage(STR_NETWORK_MESSAGE_SERVER_REBOOT, INVALID_STRING_ID, WL_CRITICAL);
01067 }
01068
01069 return NETWORK_RECV_STATUS_SERVER_ERROR;
01070 }
01071
01072 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_RCON(Packet *p)
01073 {
01074 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01075
01076 TextColour colour_code = (TextColour)p->Recv_uint16();
01077 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01078
01079 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01080 p->Recv_string(rcon_out, sizeof(rcon_out));
01081
01082 IConsolePrint(colour_code, rcon_out);
01083
01084 return NETWORK_RECV_STATUS_OKAY;
01085 }
01086
01087 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_MOVE(Packet *p)
01088 {
01089 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01090
01091
01092 ClientID client_id = (ClientID)p->Recv_uint32();
01093 CompanyID company_id = (CompanyID)p->Recv_uint8();
01094
01095 if (client_id == 0) {
01096
01097 DEBUG(net, 0, "[move] received invalid client index = 0");
01098 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01099 }
01100
01101 const NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01102
01103 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01104
01105
01106 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01107
01108 if (client_id == _network_own_client_id) {
01109 SetLocalCompany(company_id);
01110 if (company_id != COMPANY_SPECTATOR) {
01111 Company *c = Company::Get(company_id);
01112 if (c->location_of_HQ != INVALID_TILE) ScrollMainWindowToTile(c->location_of_HQ, true);
01113 }
01114 }
01115
01116 return NETWORK_RECV_STATUS_OKAY;
01117 }
01118
01119 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CONFIG_UPDATE(Packet *p)
01120 {
01121 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01122
01123 _network_server_max_companies = p->Recv_uint8();
01124 _network_server_max_spectators = p->Recv_uint8();
01125
01126 return NETWORK_RECV_STATUS_OKAY;
01127 }
01128
01129 NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_COMPANY_UPDATE(Packet *p)
01130 {
01131 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01132
01133 _network_company_passworded = p->Recv_uint16();
01134 SetWindowClassesDirty(WC_COMPANY);
01135
01136 return NETWORK_RECV_STATUS_OKAY;
01137 }
01138
01142 void ClientNetworkGameSocketHandler::CheckConnection()
01143 {
01144
01145 if (this->status < STATUS_AUTHORIZED) return;
01146
01147
01148 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01149
01150
01151
01152 uint lag = (_realtime_tick - this->last_packet) / 1000;
01153 if (lag < 5) return;
01154
01155
01156
01157 if (lag > 20) {
01158 this->NetworkGameSocketHandler::CloseConnection();
01159 ShowErrorMessage(STR_NETWORK_ERROR_LOSTCONNECTION, INVALID_STRING_ID, WL_CRITICAL);
01160 return;
01161 }
01162
01163
01164 static uint last_lag = 0;
01165 if (last_lag == lag) return;
01166
01167 last_lag = lag;
01168 SetDParam(0, lag);
01169 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01170 }
01171
01172
01174 void NetworkClient_Connected()
01175 {
01176
01177 _frame_counter = 0;
01178 _frame_counter_server = 0;
01179 last_ack_frame = 0;
01180
01181 MyClient::SendJoin();
01182 }
01183
01189 void NetworkClientSendRcon(const char *password, const char *command)
01190 {
01191 MyClient::SendRCon(password, command);
01192 }
01193
01200 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01201 {
01202 MyClient::SendMove(company_id, pass);
01203 }
01204
01209 void NetworkClientsToSpectators(CompanyID cid)
01210 {
01211 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01212
01213 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01214
01215 NetworkClientInfo *ci;
01216 FOR_ALL_CLIENT_INFOS(ci) {
01217 if (ci->client_playas != cid) continue;
01218 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01219 ci->client_playas = COMPANY_SPECTATOR;
01220 }
01221
01222 cur_company.Restore();
01223 }
01224
01228 void NetworkUpdateClientName()
01229 {
01230 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
01231
01232 if (ci == NULL) return;
01233
01234
01235 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01236 if (!_network_server) {
01237 MyClient::SendSetName(_settings_client.network.client_name);
01238 } else {
01239 if (NetworkFindName(_settings_client.network.client_name)) {
01240 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01241 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01242 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01243 }
01244 }
01245 }
01246 }
01247
01256 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01257 {
01258 MyClient::SendChat(action, type, dest, msg, data);
01259 }
01260
01265 void NetworkClientSetCompanyPassword(const char *password)
01266 {
01267 MyClient::SendSetPassword(password);
01268 }
01269
01275 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01276 {
01277
01278 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01279
01280 const NetworkClientInfo *ci;
01281 FOR_ALL_CLIENT_INFOS(ci) {
01282 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01283 }
01284
01285 return false;
01286 }
01287
01292 bool NetworkMaxCompaniesReached()
01293 {
01294 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01295 }
01296
01301 bool NetworkMaxSpectatorsReached()
01302 {
01303 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01304 }
01305
01306 #endif