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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
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
00311 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyInformationQuery()
00312 {
00313 my_client->status = STATUS_COMPANY_INFO;
00314 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00315 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00316
00317 Packet *p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00318 my_client->SendPacket(p);
00319 return NETWORK_RECV_STATUS_OKAY;
00320 }
00321
00322 NetworkRecvStatus ClientNetworkGameSocketHandler::SendJoin()
00323 {
00324 my_client->status = STATUS_JOIN;
00325 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00326 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00327
00328 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00329 p->Send_string(_openttd_revision);
00330 p->Send_string(_settings_client.network.client_name);
00331 p->Send_uint8 (_network_join_as);
00332 p->Send_uint8 (NETLANG_ANY);
00333 my_client->SendPacket(p);
00334 return NETWORK_RECV_STATUS_OKAY;
00335 }
00336
00337 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00338 {
00339 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00340 my_client->SendPacket(p);
00341 return NETWORK_RECV_STATUS_OKAY;
00342 }
00343
00344 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00345 {
00346 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00347 p->Send_string(password);
00348 my_client->SendPacket(p);
00349 return NETWORK_RECV_STATUS_OKAY;
00350 }
00351
00352 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00353 {
00354 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00355 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00356 my_client->SendPacket(p);
00357 return NETWORK_RECV_STATUS_OKAY;
00358 }
00359
00360 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00361 {
00362 my_client->status = STATUS_MAP_WAIT;
00363
00364 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00365
00366
00367
00368
00369
00370
00371 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00372 my_client->SendPacket(p);
00373 return NETWORK_RECV_STATUS_OKAY;
00374 }
00375
00376 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00377 {
00378 my_client->status = STATUS_ACTIVE;
00379
00380 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00381 my_client->SendPacket(p);
00382 return NETWORK_RECV_STATUS_OKAY;
00383 }
00384
00385 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00386 {
00387 Packet *p = new Packet(PACKET_CLIENT_ACK);
00388
00389 p->Send_uint32(_frame_counter);
00390 p->Send_uint8 (my_client->token);
00391 my_client->SendPacket(p);
00392 return NETWORK_RECV_STATUS_OKAY;
00393 }
00394
00395
00396 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00397 {
00398 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00399 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00400
00401 my_client->SendPacket(p);
00402 return NETWORK_RECV_STATUS_OKAY;
00403 }
00404
00405
00406 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00407 {
00408 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00409
00410 p->Send_uint8 (action);
00411 p->Send_uint8 (type);
00412 p->Send_uint32(dest);
00413 p->Send_string(msg);
00414 p->Send_uint64(data);
00415
00416 my_client->SendPacket(p);
00417 return NETWORK_RECV_STATUS_OKAY;
00418 }
00419
00420
00421 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00422 {
00423 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00424
00425 p->Send_uint8(errorno);
00426 my_client->SendPacket(p);
00427 return NETWORK_RECV_STATUS_OKAY;
00428 }
00429
00430 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00431 {
00432 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00433
00434 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00435 my_client->SendPacket(p);
00436 return NETWORK_RECV_STATUS_OKAY;
00437 }
00438
00439 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00440 {
00441 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00442
00443 p->Send_string(name);
00444 my_client->SendPacket(p);
00445 return NETWORK_RECV_STATUS_OKAY;
00446 }
00447
00448 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00449 {
00450 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00451
00452 my_client->SendPacket(p);
00453 return NETWORK_RECV_STATUS_OKAY;
00454 }
00455
00456 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00457 {
00458 Packet *p = new Packet(PACKET_CLIENT_RCON);
00459 p->Send_string(pass);
00460 p->Send_string(command);
00461 my_client->SendPacket(p);
00462 return NETWORK_RECV_STATUS_OKAY;
00463 }
00464
00465 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00466 {
00467 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00468 p->Send_uint8(company);
00469 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00470 my_client->SendPacket(p);
00471 return NETWORK_RECV_STATUS_OKAY;
00472 }
00473
00478 bool ClientNetworkGameSocketHandler::IsConnected()
00479 {
00480 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00481 }
00482
00483
00484
00485
00486
00487
00488
00489 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00490 extern StringID _switch_mode_errorstr;
00491
00492 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FULL)
00493 {
00494
00495 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00496 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00497
00498 return NETWORK_RECV_STATUS_SERVER_FULL;
00499 }
00500
00501 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_BANNED)
00502 {
00503
00504 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00505 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00506
00507 return NETWORK_RECV_STATUS_SERVER_BANNED;
00508 }
00509
00510 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_INFO)
00511 {
00512 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00513
00514 byte company_info_version = p->Recv_uint8();
00515
00516 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00517
00518 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00519
00520 CompanyID current = (Owner)p->Recv_uint8();
00521 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00522
00523 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00524 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00525
00526 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00527 company_info->inaugurated_year = p->Recv_uint32();
00528 company_info->company_value = p->Recv_uint64();
00529 company_info->money = p->Recv_uint64();
00530 company_info->income = p->Recv_uint64();
00531 company_info->performance = p->Recv_uint16();
00532 company_info->use_password = p->Recv_bool();
00533 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00534 company_info->num_vehicle[i] = p->Recv_uint16();
00535 }
00536 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00537 company_info->num_station[i] = p->Recv_uint16();
00538 }
00539 company_info->ai = p->Recv_bool();
00540
00541 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00542
00543 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00544
00545 return NETWORK_RECV_STATUS_OKAY;
00546 }
00547
00548 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00549 }
00550
00551
00552
00553
00554 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CLIENT_INFO)
00555 {
00556 NetworkClientInfo *ci;
00557 ClientID client_id = (ClientID)p->Recv_uint32();
00558 CompanyID playas = (CompanyID)p->Recv_uint8();
00559 char name[NETWORK_NAME_LENGTH];
00560
00561 p->Recv_string(name, sizeof(name));
00562
00563 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00564 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00565
00566 ci = NetworkClientInfo::GetByClientID(client_id);
00567 if (ci != NULL) {
00568 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00569
00570 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00571 } else if (playas != ci->client_playas) {
00572
00573
00574 }
00575
00576
00577
00578 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00579
00580 ci->client_playas = playas;
00581 strecpy(ci->client_name, name, lastof(ci->client_name));
00582
00583 SetWindowDirty(WC_CLIENT_LIST, 0);
00584
00585 return NETWORK_RECV_STATUS_OKAY;
00586 }
00587
00588
00589
00590
00591
00592
00593 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00594
00595
00596 ci = new NetworkClientInfo(client_id);
00597 ci->client_playas = playas;
00598 if (client_id == _network_own_client_id) this->SetInfo(ci);
00599
00600 strecpy(ci->client_name, name, lastof(ci->client_name));
00601
00602 SetWindowDirty(WC_CLIENT_LIST, 0);
00603
00604 return NETWORK_RECV_STATUS_OKAY;
00605 }
00606
00607 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR)
00608 {
00609 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00610
00611 switch (error) {
00612
00613 case NETWORK_ERROR_NOT_AUTHORIZED:
00614 case NETWORK_ERROR_NOT_EXPECTED:
00615 case NETWORK_ERROR_COMPANY_MISMATCH:
00616 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00617 break;
00618 case NETWORK_ERROR_FULL:
00619 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00620 break;
00621 case NETWORK_ERROR_WRONG_REVISION:
00622 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00623 break;
00624 case NETWORK_ERROR_WRONG_PASSWORD:
00625 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00626 break;
00627 case NETWORK_ERROR_KICKED:
00628 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00629 break;
00630 case NETWORK_ERROR_CHEATER:
00631 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00632 break;
00633 case NETWORK_ERROR_TOO_MANY_COMMANDS:
00634 _switch_mode_errorstr = STR_NETWORK_ERROR_TOO_MANY_COMMANDS;
00635 break;
00636 case NETWORK_ERROR_TIMEOUT_PASSWORD:
00637 ShowErrorMessage(STR_NETWORK_ERROR_TIMEOUT_PASSWORD, INVALID_STRING_ID, WL_CRITICAL);
00638 break;
00639 case NETWORK_ERROR_TIMEOUT_COMPUTER:
00640 ShowErrorMessage(STR_NETWORK_ERROR_TIMEOUT_COMPUTER, INVALID_STRING_ID, WL_CRITICAL);
00641 break;
00642 default:
00643 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00644 }
00645
00646 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00647
00648 return NETWORK_RECV_STATUS_SERVER_ERROR;
00649 }
00650
00651 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHECK_NEWGRFS)
00652 {
00653 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00654
00655 uint grf_count = p->Recv_uint8();
00656 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00657
00658
00659 for (; grf_count > 0; grf_count--) {
00660 GRFIdentifier c;
00661 this->ReceiveGRFIdentifier(p, &c);
00662
00663
00664 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00665 if (f == NULL) {
00666
00667 char buf[sizeof(c.md5sum) * 2 + 1];
00668 md5sumToString(buf, lastof(buf), c.md5sum);
00669 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00670 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00671 }
00672 }
00673
00674 if (ret == NETWORK_RECV_STATUS_OKAY) {
00675
00676 return SendNewGRFsOk();
00677 }
00678
00679
00680 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00681 return ret;
00682 }
00683
00684 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_GAME_PASSWORD)
00685 {
00686 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00687 this->status = STATUS_AUTH_GAME;
00688
00689 const char *password = _network_join_server_password;
00690 if (!StrEmpty(password)) {
00691 return SendGamePassword(password);
00692 }
00693
00694 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00695
00696 return NETWORK_RECV_STATUS_OKAY;
00697 }
00698
00699 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_COMPANY_PASSWORD)
00700 {
00701 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00702 this->status = STATUS_AUTH_COMPANY;
00703
00704 _password_game_seed = p->Recv_uint32();
00705 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00706 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00707
00708 const char *password = _network_join_company_password;
00709 if (!StrEmpty(password)) {
00710 return SendCompanyPassword(password);
00711 }
00712
00713 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00714
00715 return NETWORK_RECV_STATUS_OKAY;
00716 }
00717
00718 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WELCOME)
00719 {
00720 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00721 this->status = STATUS_AUTHORIZED;
00722
00723 _network_own_client_id = (ClientID)p->Recv_uint32();
00724
00725
00726 _password_game_seed = p->Recv_uint32();
00727 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00728
00729
00730 return SendGetMap();
00731 }
00732
00733 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WAIT)
00734 {
00735
00736 if (this->status != STATUS_MAP_WAIT) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00737
00738
00739 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00740 _network_join_waiting = p->Recv_uint8();
00741 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00742
00743 return NETWORK_RECV_STATUS_OKAY;
00744 }
00745
00746 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_BEGIN)
00747 {
00748 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00749 this->status = STATUS_MAP;
00750
00751 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00752
00753 this->savegame = new PacketReader();
00754
00755 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00756
00757 _network_join_bytes = 0;
00758 _network_join_bytes_total = 0;
00759
00760 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00761 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00762
00763 return NETWORK_RECV_STATUS_OKAY;
00764 }
00765
00766 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_SIZE)
00767 {
00768 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00769 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00770
00771 _network_join_bytes_total = p->Recv_uint32();
00772 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00773
00774 return NETWORK_RECV_STATUS_OKAY;
00775 }
00776
00777 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DATA)
00778 {
00779 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00780 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00781
00782
00783 this->savegame->AddPacket(p);
00784
00785 _network_join_bytes = (uint32)this->savegame->written_bytes;
00786 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00787
00788 return NETWORK_RECV_STATUS_OKAY;
00789 }
00790
00791 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DONE)
00792 {
00793 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00794 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00795
00796 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00797 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00798
00799
00800
00801
00802
00803
00804
00805
00806 LoadFilter *lf = this->savegame;
00807 this->savegame = NULL;
00808 lf->Reset();
00809
00810
00811 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00812
00813
00814 this->last_packet = _realtime_tick;
00815
00816 if (!load_success) {
00817 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00818 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00819 return NETWORK_RECV_STATUS_SAVEGAME;
00820 }
00821
00822
00823
00824
00825 SendMapOk();
00826
00827
00828
00829 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00830 SetLocalCompany(COMPANY_SPECTATOR);
00831
00832 if (_network_join_as != COMPANY_SPECTATOR) {
00833
00834
00835 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00836 ShowJoinStatusWindow();
00837 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00838 }
00839 } else {
00840
00841 SetLocalCompany(_network_join_as);
00842 }
00843
00844 return NETWORK_RECV_STATUS_OKAY;
00845 }
00846
00847 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FRAME)
00848 {
00849 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00850
00851 _frame_counter_server = p->Recv_uint32();
00852 _frame_counter_max = p->Recv_uint32();
00853 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00854
00855
00856 if (p->pos + 1 < p->size) {
00857 _sync_frame = _frame_counter_server;
00858 _sync_seed_1 = p->Recv_uint32();
00859 #ifdef NETWORK_SEND_DOUBLE_SEED
00860 _sync_seed_2 = p->Recv_uint32();
00861 #endif
00862 }
00863 #endif
00864
00865 if (p->pos != p->size) this->token = p->Recv_uint8();
00866
00867 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00868
00869
00870
00871 if (!_network_first_time && last_ack_frame < _frame_counter) {
00872 last_ack_frame = _frame_counter + DAY_TICKS;
00873 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00874 SendAck();
00875 }
00876
00877 return NETWORK_RECV_STATUS_OKAY;
00878 }
00879
00880 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SYNC)
00881 {
00882 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00883
00884 _sync_frame = p->Recv_uint32();
00885 _sync_seed_1 = p->Recv_uint32();
00886 #ifdef NETWORK_SEND_DOUBLE_SEED
00887 _sync_seed_2 = p->Recv_uint32();
00888 #endif
00889
00890 return NETWORK_RECV_STATUS_OKAY;
00891 }
00892
00893 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMMAND)
00894 {
00895 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00896
00897 CommandPacket cp;
00898 const char *err = this->ReceiveCommand(p, &cp);
00899 cp.frame = p->Recv_uint32();
00900 cp.my_cmd = p->Recv_bool();
00901
00902 if (err != NULL) {
00903 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00904 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00905 }
00906
00907 this->incoming_queue.Append(&cp);
00908
00909 return NETWORK_RECV_STATUS_OKAY;
00910 }
00911
00912 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHAT)
00913 {
00914 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00915
00916 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00917 const NetworkClientInfo *ci = NULL, *ci_to;
00918
00919 NetworkAction action = (NetworkAction)p->Recv_uint8();
00920 ClientID client_id = (ClientID)p->Recv_uint32();
00921 bool self_send = p->Recv_bool();
00922 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00923 int64 data = p->Recv_uint64();
00924
00925 ci_to = NetworkClientInfo::GetByClientID(client_id);
00926 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00927
00928
00929 if (self_send) {
00930 switch (action) {
00931 case NETWORK_ACTION_CHAT_CLIENT:
00932
00933 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00934 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00935 break;
00936
00937
00938 case NETWORK_ACTION_GIVE_MONEY:
00939 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00940
00941 case NETWORK_ACTION_CHAT_COMPANY: {
00942 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00943 SetDParam(0, ci_to->client_playas);
00944
00945 GetString(name, str, lastof(name));
00946 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00947 break;
00948 }
00949
00950 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00951 }
00952 } else {
00953
00954 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00955 ci = ci_to;
00956 }
00957
00958 if (ci != NULL) {
00959 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00960 }
00961 return NETWORK_RECV_STATUS_OKAY;
00962 }
00963
00964 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR_QUIT)
00965 {
00966 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00967
00968 ClientID client_id = (ClientID)p->Recv_uint32();
00969
00970 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00971 if (ci != NULL) {
00972 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00973 delete ci;
00974 }
00975
00976 SetWindowDirty(WC_CLIENT_LIST, 0);
00977
00978 return NETWORK_RECV_STATUS_OKAY;
00979 }
00980
00981 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_QUIT)
00982 {
00983 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00984
00985 ClientID client_id = (ClientID)p->Recv_uint32();
00986
00987 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00988 if (ci != NULL) {
00989 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00990 delete ci;
00991 } else {
00992 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00993 }
00994
00995 SetWindowDirty(WC_CLIENT_LIST, 0);
00996
00997
00998 return NETWORK_RECV_STATUS_OKAY;
00999 }
01000
01001 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_JOIN)
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_JOIN, CC_DEFAULT, false, ci->client_name);
01010 }
01011
01012 SetWindowDirty(WC_CLIENT_LIST, 0);
01013
01014 return NETWORK_RECV_STATUS_OKAY;
01015 }
01016
01017 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SHUTDOWN)
01018 {
01019
01020
01021 if (this->status >= STATUS_JOIN) {
01022 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
01023 }
01024
01025 return NETWORK_RECV_STATUS_SERVER_ERROR;
01026 }
01027
01028 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEWGAME)
01029 {
01030
01031
01032 if (this->status >= STATUS_JOIN) {
01033
01034
01035
01036 _network_reconnect = _network_own_client_id % 16;
01037 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
01038 }
01039
01040 return NETWORK_RECV_STATUS_SERVER_ERROR;
01041 }
01042
01043 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_RCON)
01044 {
01045 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01046
01047 TextColour colour_code = (TextColour)p->Recv_uint16();
01048 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01049
01050 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01051 p->Recv_string(rcon_out, sizeof(rcon_out));
01052
01053 IConsolePrint(colour_code, rcon_out);
01054
01055 return NETWORK_RECV_STATUS_OKAY;
01056 }
01057
01058 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MOVE)
01059 {
01060 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01061
01062
01063 ClientID client_id = (ClientID)p->Recv_uint32();
01064 CompanyID company_id = (CompanyID)p->Recv_uint8();
01065
01066 if (client_id == 0) {
01067
01068 DEBUG(net, 0, "[move] received invalid client index = 0");
01069 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01070 }
01071
01072 const NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01073
01074 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01075
01076
01077 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01078
01079 if (client_id == _network_own_client_id) {
01080 SetLocalCompany(company_id);
01081 }
01082
01083 return NETWORK_RECV_STATUS_OKAY;
01084 }
01085
01086 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CONFIG_UPDATE)
01087 {
01088 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01089
01090 _network_server_max_companies = p->Recv_uint8();
01091 _network_server_max_spectators = p->Recv_uint8();
01092
01093 return NETWORK_RECV_STATUS_OKAY;
01094 }
01095
01096 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_UPDATE)
01097 {
01098 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01099
01100 _network_company_passworded = p->Recv_uint16();
01101 SetWindowClassesDirty(WC_COMPANY);
01102
01103 return NETWORK_RECV_STATUS_OKAY;
01104 }
01105
01109 void ClientNetworkGameSocketHandler::CheckConnection()
01110 {
01111
01112 if (this->status < STATUS_AUTHORIZED) return;
01113
01114
01115 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01116
01117
01118
01119 uint lag = (_realtime_tick - this->last_packet) / 1000;
01120 if (lag < 5) return;
01121
01122
01123
01124 if (lag > 20) {
01125 this->NetworkGameSocketHandler::CloseConnection();
01126 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
01127 return;
01128 }
01129
01130
01131 static uint last_lag = 0;
01132 if (last_lag == lag) return;
01133
01134 last_lag = lag;
01135 SetDParam(0, lag);
01136 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01137 }
01138
01139
01140
01141 void NetworkClient_Connected()
01142 {
01143
01144 _frame_counter = 0;
01145 _frame_counter_server = 0;
01146 last_ack_frame = 0;
01147
01148 MyClient::SendJoin();
01149 }
01150
01151 void NetworkClientSendRcon(const char *password, const char *command)
01152 {
01153 MyClient::SendRCon(password, command);
01154 }
01155
01162 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01163 {
01164 MyClient::SendMove(company_id, pass);
01165 }
01166
01167 void NetworkClientsToSpectators(CompanyID cid)
01168 {
01169 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01170
01171 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01172
01173 NetworkClientInfo *ci;
01174 FOR_ALL_CLIENT_INFOS(ci) {
01175 if (ci->client_playas != cid) continue;
01176 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01177 ci->client_playas = COMPANY_SPECTATOR;
01178 }
01179
01180 cur_company.Restore();
01181 }
01182
01183 void NetworkUpdateClientName()
01184 {
01185 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
01186
01187 if (ci == NULL) return;
01188
01189
01190 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01191 if (!_network_server) {
01192 MyClient::SendSetName(_settings_client.network.client_name);
01193 } else {
01194 if (NetworkFindName(_settings_client.network.client_name)) {
01195 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01196 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01197 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01198 }
01199 }
01200 }
01201 }
01202
01203 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01204 {
01205 MyClient::SendChat(action, type, dest, msg, data);
01206 }
01207
01212 void NetworkClientSetCompanyPassword(const char *password)
01213 {
01214 MyClient::SendSetPassword(password);
01215 }
01216
01222 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01223 {
01224
01225 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01226
01227 const NetworkClientInfo *ci;
01228 FOR_ALL_CLIENT_INFOS(ci) {
01229 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01230 }
01231
01232 return false;
01233 }
01234
01239 bool NetworkMaxCompaniesReached()
01240 {
01241 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01242 }
01243
01248 bool NetworkMaxSpectatorsReached()
01249 {
01250 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01251 }
01252
01253 #endif