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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 default:
00637 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00638 }
00639
00640 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00641
00642 return NETWORK_RECV_STATUS_SERVER_ERROR;
00643 }
00644
00645 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHECK_NEWGRFS)
00646 {
00647 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00648
00649 uint grf_count = p->Recv_uint8();
00650 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00651
00652
00653 for (; grf_count > 0; grf_count--) {
00654 GRFIdentifier c;
00655 this->ReceiveGRFIdentifier(p, &c);
00656
00657
00658 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00659 if (f == NULL) {
00660
00661 char buf[sizeof(c.md5sum) * 2 + 1];
00662 md5sumToString(buf, lastof(buf), c.md5sum);
00663 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00664 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00665 }
00666 }
00667
00668 if (ret == NETWORK_RECV_STATUS_OKAY) {
00669
00670 return SendNewGRFsOk();
00671 }
00672
00673
00674 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00675 return ret;
00676 }
00677
00678 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_GAME_PASSWORD)
00679 {
00680 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00681 this->status = STATUS_AUTH_GAME;
00682
00683 const char *password = _network_join_server_password;
00684 if (!StrEmpty(password)) {
00685 return SendGamePassword(password);
00686 }
00687
00688 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00689
00690 return NETWORK_RECV_STATUS_OKAY;
00691 }
00692
00693 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_COMPANY_PASSWORD)
00694 {
00695 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00696 this->status = STATUS_AUTH_COMPANY;
00697
00698 _password_game_seed = p->Recv_uint32();
00699 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00700 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00701
00702 const char *password = _network_join_company_password;
00703 if (!StrEmpty(password)) {
00704 return SendCompanyPassword(password);
00705 }
00706
00707 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00708
00709 return NETWORK_RECV_STATUS_OKAY;
00710 }
00711
00712 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WELCOME)
00713 {
00714 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00715 this->status = STATUS_AUTHORIZED;
00716
00717 _network_own_client_id = (ClientID)p->Recv_uint32();
00718
00719
00720 _password_game_seed = p->Recv_uint32();
00721 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00722
00723
00724 return SendGetMap();
00725 }
00726
00727 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WAIT)
00728 {
00729
00730 if (this->status != STATUS_MAP_WAIT) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00731
00732
00733 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00734 _network_join_waiting = p->Recv_uint8();
00735 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00736
00737 return NETWORK_RECV_STATUS_OKAY;
00738 }
00739
00740 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_BEGIN)
00741 {
00742 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00743 this->status = STATUS_MAP;
00744
00745 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00746
00747 this->savegame = new PacketReader();
00748
00749 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00750
00751 _network_join_bytes = 0;
00752 _network_join_bytes_total = 0;
00753
00754 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00755 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00756
00757 return NETWORK_RECV_STATUS_OKAY;
00758 }
00759
00760 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_SIZE)
00761 {
00762 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00763 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00764
00765 _network_join_bytes_total = p->Recv_uint32();
00766 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00767
00768 return NETWORK_RECV_STATUS_OKAY;
00769 }
00770
00771 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DATA)
00772 {
00773 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00774 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00775
00776
00777 this->savegame->AddPacket(p);
00778
00779 _network_join_bytes = (uint32)this->savegame->written_bytes;
00780 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00781
00782 return NETWORK_RECV_STATUS_OKAY;
00783 }
00784
00785 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DONE)
00786 {
00787 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00788 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00789
00790 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00791 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00792
00793
00794
00795
00796
00797
00798
00799
00800 LoadFilter *lf = this->savegame;
00801 this->savegame = NULL;
00802 lf->Reset();
00803
00804
00805 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00806
00807
00808 this->last_packet = _realtime_tick;
00809
00810 if (!load_success) {
00811 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00812 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00813 return NETWORK_RECV_STATUS_SAVEGAME;
00814 }
00815
00816
00817
00818
00819 SendMapOk();
00820
00821
00822
00823 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00824 SetLocalCompany(COMPANY_SPECTATOR);
00825
00826 if (_network_join_as != COMPANY_SPECTATOR) {
00827
00828
00829 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00830 ShowJoinStatusWindow();
00831 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00832 }
00833 } else {
00834
00835 SetLocalCompany(_network_join_as);
00836 }
00837
00838 return NETWORK_RECV_STATUS_OKAY;
00839 }
00840
00841 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FRAME)
00842 {
00843 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00844
00845 _frame_counter_server = p->Recv_uint32();
00846 _frame_counter_max = p->Recv_uint32();
00847 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00848
00849
00850 if (p->pos + 1 < p->size) {
00851 _sync_frame = _frame_counter_server;
00852 _sync_seed_1 = p->Recv_uint32();
00853 #ifdef NETWORK_SEND_DOUBLE_SEED
00854 _sync_seed_2 = p->Recv_uint32();
00855 #endif
00856 }
00857 #endif
00858
00859 if (p->pos != p->size) this->token = p->Recv_uint8();
00860
00861 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00862
00863
00864
00865 if (!_network_first_time && last_ack_frame < _frame_counter) {
00866 last_ack_frame = _frame_counter + DAY_TICKS;
00867 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00868 SendAck();
00869 }
00870
00871 return NETWORK_RECV_STATUS_OKAY;
00872 }
00873
00874 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SYNC)
00875 {
00876 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00877
00878 _sync_frame = p->Recv_uint32();
00879 _sync_seed_1 = p->Recv_uint32();
00880 #ifdef NETWORK_SEND_DOUBLE_SEED
00881 _sync_seed_2 = p->Recv_uint32();
00882 #endif
00883
00884 return NETWORK_RECV_STATUS_OKAY;
00885 }
00886
00887 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMMAND)
00888 {
00889 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00890
00891 CommandPacket cp;
00892 const char *err = this->ReceiveCommand(p, &cp);
00893 cp.frame = p->Recv_uint32();
00894 cp.my_cmd = p->Recv_bool();
00895
00896 if (err != NULL) {
00897 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00898 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00899 }
00900
00901 this->incoming_queue.Append(&cp);
00902
00903 return NETWORK_RECV_STATUS_OKAY;
00904 }
00905
00906 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHAT)
00907 {
00908 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00909
00910 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00911 const NetworkClientInfo *ci = NULL, *ci_to;
00912
00913 NetworkAction action = (NetworkAction)p->Recv_uint8();
00914 ClientID client_id = (ClientID)p->Recv_uint32();
00915 bool self_send = p->Recv_bool();
00916 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00917 int64 data = p->Recv_uint64();
00918
00919 ci_to = NetworkClientInfo::GetByClientID(client_id);
00920 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00921
00922
00923 if (self_send) {
00924 switch (action) {
00925 case NETWORK_ACTION_CHAT_CLIENT:
00926
00927 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00928 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00929 break;
00930
00931
00932 case NETWORK_ACTION_GIVE_MONEY:
00933 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00934
00935 case NETWORK_ACTION_CHAT_COMPANY: {
00936 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00937 SetDParam(0, ci_to->client_playas);
00938
00939 GetString(name, str, lastof(name));
00940 ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
00941 break;
00942 }
00943
00944 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00945 }
00946 } else {
00947
00948 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00949 ci = ci_to;
00950 }
00951
00952 if (ci != NULL) {
00953 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00954 }
00955 return NETWORK_RECV_STATUS_OKAY;
00956 }
00957
00958 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR_QUIT)
00959 {
00960 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00961
00962 ClientID client_id = (ClientID)p->Recv_uint32();
00963
00964 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00965 if (ci != NULL) {
00966 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00967 delete ci;
00968 }
00969
00970 SetWindowDirty(WC_CLIENT_LIST, 0);
00971
00972 return NETWORK_RECV_STATUS_OKAY;
00973 }
00974
00975 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_QUIT)
00976 {
00977 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00978
00979 ClientID client_id = (ClientID)p->Recv_uint32();
00980
00981 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
00982 if (ci != NULL) {
00983 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00984 delete ci;
00985 } else {
00986 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00987 }
00988
00989 SetWindowDirty(WC_CLIENT_LIST, 0);
00990
00991
00992 return NETWORK_RECV_STATUS_OKAY;
00993 }
00994
00995 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_JOIN)
00996 {
00997 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00998
00999 ClientID client_id = (ClientID)p->Recv_uint32();
01000
01001 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01002 if (ci != NULL) {
01003 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
01004 }
01005
01006 SetWindowDirty(WC_CLIENT_LIST, 0);
01007
01008 return NETWORK_RECV_STATUS_OKAY;
01009 }
01010
01011 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SHUTDOWN)
01012 {
01013
01014
01015 if (this->status >= STATUS_JOIN) {
01016 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
01017 }
01018
01019 return NETWORK_RECV_STATUS_SERVER_ERROR;
01020 }
01021
01022 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEWGAME)
01023 {
01024
01025
01026 if (this->status >= STATUS_JOIN) {
01027
01028
01029
01030 _network_reconnect = _network_own_client_id % 16;
01031 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
01032 }
01033
01034 return NETWORK_RECV_STATUS_SERVER_ERROR;
01035 }
01036
01037 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_RCON)
01038 {
01039 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01040
01041 TextColour colour_code = (TextColour)p->Recv_uint16();
01042 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01043
01044 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01045 p->Recv_string(rcon_out, sizeof(rcon_out));
01046
01047 IConsolePrint(colour_code, rcon_out);
01048
01049 return NETWORK_RECV_STATUS_OKAY;
01050 }
01051
01052 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MOVE)
01053 {
01054 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01055
01056
01057 ClientID client_id = (ClientID)p->Recv_uint32();
01058 CompanyID company_id = (CompanyID)p->Recv_uint8();
01059
01060 if (client_id == 0) {
01061
01062 DEBUG(net, 0, "[move] received invalid client index = 0");
01063 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01064 }
01065
01066 const NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);
01067
01068 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01069
01070
01071 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01072
01073 if (client_id == _network_own_client_id) {
01074 SetLocalCompany(company_id);
01075 }
01076
01077 return NETWORK_RECV_STATUS_OKAY;
01078 }
01079
01080 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CONFIG_UPDATE)
01081 {
01082 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01083
01084 _network_server_max_companies = p->Recv_uint8();
01085 _network_server_max_spectators = p->Recv_uint8();
01086
01087 return NETWORK_RECV_STATUS_OKAY;
01088 }
01089
01090 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_UPDATE)
01091 {
01092 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01093
01094 _network_company_passworded = p->Recv_uint16();
01095 SetWindowClassesDirty(WC_COMPANY);
01096
01097 return NETWORK_RECV_STATUS_OKAY;
01098 }
01099
01103 void ClientNetworkGameSocketHandler::CheckConnection()
01104 {
01105
01106 if (this->status < STATUS_AUTHORIZED) return;
01107
01108
01109 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01110
01111
01112
01113 uint lag = (_realtime_tick - this->last_packet) / 1000;
01114 if (lag < 5) return;
01115
01116
01117
01118 if (lag > 20) {
01119 this->NetworkGameSocketHandler::CloseConnection();
01120 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
01121 return;
01122 }
01123
01124
01125 static uint last_lag = 0;
01126 if (last_lag == lag) return;
01127
01128 last_lag = lag;
01129 SetDParam(0, lag);
01130 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01131 }
01132
01133
01134
01135 void NetworkClient_Connected()
01136 {
01137
01138 _frame_counter = 0;
01139 _frame_counter_server = 0;
01140 last_ack_frame = 0;
01141
01142 MyClient::SendJoin();
01143 }
01144
01145 void NetworkClientSendRcon(const char *password, const char *command)
01146 {
01147 MyClient::SendRCon(password, command);
01148 }
01149
01156 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01157 {
01158 MyClient::SendMove(company_id, pass);
01159 }
01160
01161 void NetworkClientsToSpectators(CompanyID cid)
01162 {
01163 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01164
01165 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01166
01167 NetworkClientInfo *ci;
01168 FOR_ALL_CLIENT_INFOS(ci) {
01169 if (ci->client_playas != cid) continue;
01170 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01171 ci->client_playas = COMPANY_SPECTATOR;
01172 }
01173
01174 cur_company.Restore();
01175 }
01176
01177 void NetworkUpdateClientName()
01178 {
01179 NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(_network_own_client_id);
01180
01181 if (ci == NULL) return;
01182
01183
01184 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01185 if (!_network_server) {
01186 MyClient::SendSetName(_settings_client.network.client_name);
01187 } else {
01188 if (NetworkFindName(_settings_client.network.client_name)) {
01189 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01190 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01191 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01192 }
01193 }
01194 }
01195 }
01196
01197 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01198 {
01199 MyClient::SendChat(action, type, dest, msg, data);
01200 }
01201
01206 void NetworkClientSetCompanyPassword(const char *password)
01207 {
01208 MyClient::SendSetPassword(password);
01209 }
01210
01216 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01217 {
01218
01219 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01220
01221 const NetworkClientInfo *ci;
01222 FOR_ALL_CLIENT_INFOS(ci) {
01223 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01224 }
01225
01226 return false;
01227 }
01228
01233 bool NetworkMaxCompaniesReached()
01234 {
01235 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01236 }
01237
01242 bool NetworkMaxSpectatorsReached()
01243 {
01244 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01245 }
01246
01247 #endif