00001
00002
00003
00004
00005
00006
00007
00008
00009
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 "../gui.h"
00029 #include "../rev.h"
00030 #include "network.h"
00031 #include "network_base.h"
00032 #include "network_client.h"
00033 #include "../core/backup_type.hpp"
00034
00035 #include "table/strings.h"
00036
00037
00038
00039
00041 struct PacketReader : LoadFilter {
00042 static const size_t CHUNK = 32 * 1024;
00043
00044 AutoFreeSmallVector<byte *, 16> blocks;
00045 byte *buf;
00046 byte *bufe;
00047 byte **block;
00048 size_t written_bytes;
00049 size_t read_bytes;
00050
00052 PacketReader() : LoadFilter(NULL), buf(NULL), bufe(NULL), block(NULL), written_bytes(0), read_bytes(0)
00053 {
00054 }
00055
00060 void AddPacket(const Packet *p)
00061 {
00062 assert(this->read_bytes == 0);
00063
00064 size_t in_packet = p->size - p->pos;
00065 size_t to_write = min((size_t)(this->bufe - this->buf), in_packet);
00066 const byte *pbuf = p->buffer + p->pos;
00067
00068 this->written_bytes += in_packet;
00069 if (to_write != 0) {
00070 memcpy(this->buf, pbuf, to_write);
00071 this->buf += to_write;
00072 }
00073
00074
00075 if (to_write == in_packet) return;
00076
00077
00078 pbuf += to_write;
00079 to_write = in_packet - to_write;
00080 this->buf = *this->blocks.Append() = CallocT<byte>(CHUNK);
00081 this->bufe = this->buf + CHUNK;
00082
00083 memcpy(this->buf, pbuf, to_write);
00084 this->buf += to_write;
00085 }
00086
00087 size_t Read(byte *rbuf, size_t size)
00088 {
00089
00090 size_t ret_size = size = min(this->written_bytes - this->read_bytes, size);
00091 this->read_bytes += ret_size;
00092 const byte *rbufe = rbuf + ret_size;
00093
00094 while (rbuf != rbufe) {
00095 if (this->buf == this->bufe) {
00096 this->buf = *this->block++;
00097 this->bufe = this->buf + CHUNK;
00098 }
00099
00100 size_t to_write = min(this->bufe - this->buf, rbufe - rbuf);
00101 memcpy(rbuf, this->buf, to_write);
00102 rbuf += to_write;
00103 this->buf += to_write;
00104 }
00105
00106 return ret_size;
00107 }
00108
00109 void Reset()
00110 {
00111 this->read_bytes = 0;
00112
00113 this->block = this->blocks.Begin();
00114 this->buf = *this->block++;
00115 this->bufe = this->buf + CHUNK;
00116 }
00117 };
00118
00119
00124 ClientNetworkGameSocketHandler::ClientNetworkGameSocketHandler(SOCKET s) : NetworkGameSocketHandler(s), savegame(NULL), status(STATUS_INACTIVE)
00125 {
00126 assert(ClientNetworkGameSocketHandler::my_client == NULL);
00127 ClientNetworkGameSocketHandler::my_client = this;
00128 }
00129
00131 ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler()
00132 {
00133 assert(ClientNetworkGameSocketHandler::my_client == this);
00134 ClientNetworkGameSocketHandler::my_client = NULL;
00135
00136 delete this->savegame;
00137 }
00138
00139 NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status)
00140 {
00141 assert(status != NETWORK_RECV_STATUS_OKAY);
00142
00143
00144
00145
00146
00147
00148
00149 if (this->sock == INVALID_SOCKET) return status;
00150
00151 DEBUG(net, 1, "Closed client connection %d", this->client_id);
00152
00153 this->SendPackets(true);
00154
00155 delete this->GetInfo();
00156 delete this;
00157
00158 return status;
00159 }
00160
00165 void ClientNetworkGameSocketHandler::ClientError(NetworkRecvStatus res)
00166 {
00167
00168
00169 NetworkErrorCode errorno;
00170
00171
00172 if (res == NETWORK_RECV_STATUS_CLOSE_QUERY) {
00173 this->NetworkSocketHandler::CloseConnection();
00174 this->CloseConnection(res);
00175 _networking = false;
00176
00177 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00178 return;
00179 }
00180
00181 switch (res) {
00182 case NETWORK_RECV_STATUS_DESYNC: errorno = NETWORK_ERROR_DESYNC; break;
00183 case NETWORK_RECV_STATUS_SAVEGAME: errorno = NETWORK_ERROR_SAVEGAME_FAILED; break;
00184 case NETWORK_RECV_STATUS_NEWGRF_MISMATCH: errorno = NETWORK_ERROR_NEWGRF_MISMATCH; break;
00185 default: errorno = NETWORK_ERROR_GENERAL; break;
00186 }
00187
00188
00189 if (res != NETWORK_RECV_STATUS_SERVER_ERROR && res != NETWORK_RECV_STATUS_SERVER_FULL &&
00190 res != NETWORK_RECV_STATUS_SERVER_BANNED) {
00191 SendError(errorno);
00192 }
00193
00194 _switch_mode = SM_MENU;
00195 this->CloseConnection(res);
00196 _networking = false;
00197 }
00198
00199
00205 bool ClientNetworkGameSocketHandler::Receive()
00206 {
00207 if (my_client->CanSendReceive()) {
00208 NetworkRecvStatus res = my_client->ReceivePackets();
00209 if (res != NETWORK_RECV_STATUS_OKAY) {
00210
00211
00212 my_client->ClientError(res);
00213 return false;
00214 }
00215 }
00216 return _networking;
00217 }
00218
00220 void ClientNetworkGameSocketHandler::Send()
00221 {
00222 my_client->SendPackets();
00223 my_client->CheckConnection();
00224 }
00225
00230 bool ClientNetworkGameSocketHandler::GameLoop()
00231 {
00232 _frame_counter++;
00233
00234 NetworkExecuteLocalCommandQueue();
00235
00236 extern void StateGameLoop();
00237 StateGameLoop();
00238
00239
00240 if (_sync_frame != 0) {
00241 if (_sync_frame == _frame_counter) {
00242 #ifdef NETWORK_SEND_DOUBLE_SEED
00243 if (_sync_seed_1 != _random.state[0] || _sync_seed_2 != _random.state[1]) {
00244 #else
00245 if (_sync_seed_1 != _random.state[0]) {
00246 #endif
00247 NetworkError(STR_NETWORK_ERROR_DESYNC);
00248 DEBUG(desync, 1, "sync_err: %08x; %02x", _date, _date_fract);
00249 DEBUG(net, 0, "Sync error detected!");
00250 my_client->ClientError(NETWORK_RECV_STATUS_DESYNC);
00251 return false;
00252 }
00253
00254
00255
00256
00257 if (_network_first_time) {
00258 _network_first_time = false;
00259 SendAck();
00260 }
00261
00262 _sync_frame = 0;
00263 } else if (_sync_frame < _frame_counter) {
00264 DEBUG(net, 1, "Missed frame for sync-test (%d / %d)", _sync_frame, _frame_counter);
00265 _sync_frame = 0;
00266 }
00267 }
00268
00269 return true;
00270 }
00271
00272
00274 ClientNetworkGameSocketHandler * ClientNetworkGameSocketHandler::my_client = NULL;
00275
00276 static uint32 last_ack_frame;
00277
00279 static uint32 _password_game_seed;
00281 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00282
00284 static uint8 _network_server_max_companies;
00286 static uint8 _network_server_max_spectators;
00287
00289 CompanyID _network_join_as;
00290
00292 const char *_network_join_server_password = NULL;
00294 const char *_network_join_company_password = NULL;
00295
00297 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00298
00299
00300
00301
00302
00303
00304 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyInformationQuery()
00305 {
00306 my_client->status = STATUS_COMPANY_INFO;
00307 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00308 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00309
00310 Packet *p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00311 my_client->SendPacket(p);
00312 return NETWORK_RECV_STATUS_OKAY;
00313 }
00314
00315 NetworkRecvStatus ClientNetworkGameSocketHandler::SendJoin()
00316 {
00317 my_client->status = STATUS_JOIN;
00318 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00319 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00320
00321 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00322 p->Send_string(_openttd_revision);
00323 p->Send_string(_settings_client.network.client_name);
00324 p->Send_uint8 (_network_join_as);
00325 p->Send_uint8 (NETLANG_ANY);
00326 my_client->SendPacket(p);
00327 return NETWORK_RECV_STATUS_OKAY;
00328 }
00329
00330 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00331 {
00332 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00333 my_client->SendPacket(p);
00334 return NETWORK_RECV_STATUS_OKAY;
00335 }
00336
00337 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00338 {
00339 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00340 p->Send_string(password);
00341 my_client->SendPacket(p);
00342 return NETWORK_RECV_STATUS_OKAY;
00343 }
00344
00345 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00346 {
00347 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00348 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00349 my_client->SendPacket(p);
00350 return NETWORK_RECV_STATUS_OKAY;
00351 }
00352
00353 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00354 {
00355 my_client->status = STATUS_MAP_WAIT;
00356
00357 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00358
00359
00360
00361
00362
00363
00364 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00365 my_client->SendPacket(p);
00366 return NETWORK_RECV_STATUS_OKAY;
00367 }
00368
00369 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00370 {
00371 my_client->status = STATUS_ACTIVE;
00372
00373 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00374 my_client->SendPacket(p);
00375 return NETWORK_RECV_STATUS_OKAY;
00376 }
00377
00378 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00379 {
00380 Packet *p = new Packet(PACKET_CLIENT_ACK);
00381
00382 p->Send_uint32(_frame_counter);
00383 p->Send_uint8 (my_client->token);
00384 my_client->SendPacket(p);
00385 return NETWORK_RECV_STATUS_OKAY;
00386 }
00387
00388
00389 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00390 {
00391 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00392 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00393
00394 my_client->SendPacket(p);
00395 return NETWORK_RECV_STATUS_OKAY;
00396 }
00397
00398
00399 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00400 {
00401 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00402
00403 p->Send_uint8 (action);
00404 p->Send_uint8 (type);
00405 p->Send_uint32(dest);
00406 p->Send_string(msg);
00407 p->Send_uint64(data);
00408
00409 my_client->SendPacket(p);
00410 return NETWORK_RECV_STATUS_OKAY;
00411 }
00412
00413
00414 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00415 {
00416 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00417
00418 p->Send_uint8(errorno);
00419 my_client->SendPacket(p);
00420 return NETWORK_RECV_STATUS_OKAY;
00421 }
00422
00423 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00424 {
00425 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00426
00427 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00428 my_client->SendPacket(p);
00429 return NETWORK_RECV_STATUS_OKAY;
00430 }
00431
00432 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00433 {
00434 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00435
00436 p->Send_string(name);
00437 my_client->SendPacket(p);
00438 return NETWORK_RECV_STATUS_OKAY;
00439 }
00440
00441 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00442 {
00443 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00444
00445 my_client->SendPacket(p);
00446 return NETWORK_RECV_STATUS_OKAY;
00447 }
00448
00449 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00450 {
00451 Packet *p = new Packet(PACKET_CLIENT_RCON);
00452 p->Send_string(pass);
00453 p->Send_string(command);
00454 my_client->SendPacket(p);
00455 return NETWORK_RECV_STATUS_OKAY;
00456 }
00457
00458 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00459 {
00460 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00461 p->Send_uint8(company);
00462 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00463 my_client->SendPacket(p);
00464 return NETWORK_RECV_STATUS_OKAY;
00465 }
00466
00471 bool ClientNetworkGameSocketHandler::IsConnected()
00472 {
00473 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00474 }
00475
00476
00477
00478
00479
00480
00481
00482 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00483 extern StringID _switch_mode_errorstr;
00484
00485 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FULL)
00486 {
00487
00488 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00489 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00490
00491 return NETWORK_RECV_STATUS_SERVER_FULL;
00492 }
00493
00494 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_BANNED)
00495 {
00496
00497 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00498 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00499
00500 return NETWORK_RECV_STATUS_SERVER_BANNED;
00501 }
00502
00503 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_INFO)
00504 {
00505 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00506
00507 byte company_info_version = p->Recv_uint8();
00508
00509 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00510
00511 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00512
00513 CompanyID current = (Owner)p->Recv_uint8();
00514 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00515
00516 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00517 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00518
00519 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00520 company_info->inaugurated_year = p->Recv_uint32();
00521 company_info->company_value = p->Recv_uint64();
00522 company_info->money = p->Recv_uint64();
00523 company_info->income = p->Recv_uint64();
00524 company_info->performance = p->Recv_uint16();
00525 company_info->use_password = p->Recv_bool();
00526 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00527 company_info->num_vehicle[i] = p->Recv_uint16();
00528 }
00529 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00530 company_info->num_station[i] = p->Recv_uint16();
00531 }
00532 company_info->ai = p->Recv_bool();
00533
00534 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00535
00536 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00537
00538 return NETWORK_RECV_STATUS_OKAY;
00539 }
00540
00541 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00542 }
00543
00544
00545
00546
00547 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CLIENT_INFO)
00548 {
00549 NetworkClientInfo *ci;
00550 ClientID client_id = (ClientID)p->Recv_uint32();
00551 CompanyID playas = (CompanyID)p->Recv_uint8();
00552 char name[NETWORK_NAME_LENGTH];
00553
00554 p->Recv_string(name, sizeof(name));
00555
00556 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00557 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00558
00559 ci = NetworkFindClientInfoFromClientID(client_id);
00560 if (ci != NULL) {
00561 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00562
00563 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00564 } else if (playas != ci->client_playas) {
00565
00566
00567 }
00568
00569
00570
00571 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00572
00573 ci->client_playas = playas;
00574 strecpy(ci->client_name, name, lastof(ci->client_name));
00575
00576 SetWindowDirty(WC_CLIENT_LIST, 0);
00577
00578 return NETWORK_RECV_STATUS_OKAY;
00579 }
00580
00581
00582
00583
00584
00585
00586 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00587
00588
00589 ci = new NetworkClientInfo(client_id);
00590 ci->client_playas = playas;
00591 if (client_id == _network_own_client_id) this->SetInfo(ci);
00592
00593 strecpy(ci->client_name, name, lastof(ci->client_name));
00594
00595 SetWindowDirty(WC_CLIENT_LIST, 0);
00596
00597 return NETWORK_RECV_STATUS_OKAY;
00598 }
00599
00600 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR)
00601 {
00602 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00603
00604 switch (error) {
00605
00606 case NETWORK_ERROR_NOT_AUTHORIZED:
00607 case NETWORK_ERROR_NOT_EXPECTED:
00608 case NETWORK_ERROR_COMPANY_MISMATCH:
00609 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00610 break;
00611 case NETWORK_ERROR_FULL:
00612 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00613 break;
00614 case NETWORK_ERROR_WRONG_REVISION:
00615 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00616 break;
00617 case NETWORK_ERROR_WRONG_PASSWORD:
00618 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00619 break;
00620 case NETWORK_ERROR_KICKED:
00621 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00622 break;
00623 case NETWORK_ERROR_CHEATER:
00624 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00625 break;
00626 case NETWORK_ERROR_TOO_MANY_COMMANDS:
00627 _switch_mode_errorstr = STR_NETWORK_ERROR_TOO_MANY_COMMANDS;
00628 break;
00629 default:
00630 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00631 }
00632
00633 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00634
00635 return NETWORK_RECV_STATUS_SERVER_ERROR;
00636 }
00637
00638 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHECK_NEWGRFS)
00639 {
00640 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00641
00642 uint grf_count = p->Recv_uint8();
00643 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00644
00645
00646 for (; grf_count > 0; grf_count--) {
00647 GRFIdentifier c;
00648 this->ReceiveGRFIdentifier(p, &c);
00649
00650
00651 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00652 if (f == NULL) {
00653
00654 char buf[sizeof(c.md5sum) * 2 + 1];
00655 md5sumToString(buf, lastof(buf), c.md5sum);
00656 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00657 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00658 }
00659 }
00660
00661 if (ret == NETWORK_RECV_STATUS_OKAY) {
00662
00663 return SendNewGRFsOk();
00664 }
00665
00666
00667 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00668 return ret;
00669 }
00670
00671 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_GAME_PASSWORD)
00672 {
00673 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00674 this->status = STATUS_AUTH_GAME;
00675
00676 const char *password = _network_join_server_password;
00677 if (!StrEmpty(password)) {
00678 return SendGamePassword(password);
00679 }
00680
00681 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00682
00683 return NETWORK_RECV_STATUS_OKAY;
00684 }
00685
00686 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_COMPANY_PASSWORD)
00687 {
00688 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00689 this->status = STATUS_AUTH_COMPANY;
00690
00691 _password_game_seed = p->Recv_uint32();
00692 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00693 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00694
00695 const char *password = _network_join_company_password;
00696 if (!StrEmpty(password)) {
00697 return SendCompanyPassword(password);
00698 }
00699
00700 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00701
00702 return NETWORK_RECV_STATUS_OKAY;
00703 }
00704
00705 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WELCOME)
00706 {
00707 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00708 this->status = STATUS_AUTHORIZED;
00709
00710 _network_own_client_id = (ClientID)p->Recv_uint32();
00711
00712
00713 _password_game_seed = p->Recv_uint32();
00714 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00715
00716
00717 return SendGetMap();
00718 }
00719
00720 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WAIT)
00721 {
00722 if (this->status != STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00723 this->status = STATUS_MAP_WAIT;
00724
00725 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00726 _network_join_waiting = p->Recv_uint8();
00727 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00728
00729
00730 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00731 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00732
00733 return NETWORK_RECV_STATUS_OKAY;
00734 }
00735
00736 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_BEGIN)
00737 {
00738 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00739 this->status = STATUS_MAP;
00740
00741 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00742
00743 this->savegame = new PacketReader();
00744
00745 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00746
00747 _network_join_bytes = 0;
00748 _network_join_bytes_total = 0;
00749
00750 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00751 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00752
00753 return NETWORK_RECV_STATUS_OKAY;
00754 }
00755
00756 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_SIZE)
00757 {
00758 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00759 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00760
00761 _network_join_bytes_total = p->Recv_uint32();
00762 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00763
00764 return NETWORK_RECV_STATUS_OKAY;
00765 }
00766
00767 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DATA)
00768 {
00769 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00770 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00771
00772
00773 this->savegame->AddPacket(p);
00774
00775 _network_join_bytes = (uint32)this->savegame->written_bytes;
00776 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00777
00778 return NETWORK_RECV_STATUS_OKAY;
00779 }
00780
00781 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DONE)
00782 {
00783 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00784 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00785
00786 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00787 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00788
00789
00790
00791
00792
00793
00794
00795
00796 LoadFilter *lf = this->savegame;
00797 this->savegame = NULL;
00798 lf->Reset();
00799
00800
00801 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00802
00803
00804 this->last_packet = _realtime_tick;
00805
00806 if (!load_success) {
00807 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00808 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00809 return NETWORK_RECV_STATUS_SAVEGAME;
00810 }
00811
00812
00813
00814
00815 SendMapOk();
00816
00817
00818
00819 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00820 SetLocalCompany(COMPANY_SPECTATOR);
00821
00822 if (_network_join_as != COMPANY_SPECTATOR) {
00823
00824
00825 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00826 ShowJoinStatusWindow();
00827 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00828 }
00829 } else {
00830
00831 SetLocalCompany(_network_join_as);
00832 }
00833
00834 return NETWORK_RECV_STATUS_OKAY;
00835 }
00836
00837 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FRAME)
00838 {
00839 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00840
00841 _frame_counter_server = p->Recv_uint32();
00842 _frame_counter_max = p->Recv_uint32();
00843 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00844
00845
00846 if (p->pos + 1 < p->size) {
00847 _sync_frame = _frame_counter_server;
00848 _sync_seed_1 = p->Recv_uint32();
00849 #ifdef NETWORK_SEND_DOUBLE_SEED
00850 _sync_seed_2 = p->Recv_uint32();
00851 #endif
00852 }
00853 #endif
00854
00855 if (p->pos != p->size) this->token = p->Recv_uint8();
00856
00857 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00858
00859
00860
00861 if (!_network_first_time && last_ack_frame < _frame_counter) {
00862 last_ack_frame = _frame_counter + DAY_TICKS;
00863 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00864 SendAck();
00865 }
00866
00867 return NETWORK_RECV_STATUS_OKAY;
00868 }
00869
00870 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SYNC)
00871 {
00872 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00873
00874 _sync_frame = p->Recv_uint32();
00875 _sync_seed_1 = p->Recv_uint32();
00876 #ifdef NETWORK_SEND_DOUBLE_SEED
00877 _sync_seed_2 = p->Recv_uint32();
00878 #endif
00879
00880 return NETWORK_RECV_STATUS_OKAY;
00881 }
00882
00883 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMMAND)
00884 {
00885 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00886
00887 CommandPacket cp;
00888 const char *err = this->ReceiveCommand(p, &cp);
00889 cp.frame = p->Recv_uint32();
00890 cp.my_cmd = p->Recv_bool();
00891
00892 if (err != NULL) {
00893 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00894 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00895 }
00896
00897 this->incoming_queue.Append(&cp);
00898
00899 return NETWORK_RECV_STATUS_OKAY;
00900 }
00901
00902 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHAT)
00903 {
00904 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00905
00906 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00907 const NetworkClientInfo *ci = NULL, *ci_to;
00908
00909 NetworkAction action = (NetworkAction)p->Recv_uint8();
00910 ClientID client_id = (ClientID)p->Recv_uint32();
00911 bool self_send = p->Recv_bool();
00912 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00913 int64 data = p->Recv_uint64();
00914
00915 ci_to = NetworkFindClientInfoFromClientID(client_id);
00916 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00917
00918
00919 if (self_send) {
00920 switch (action) {
00921 case NETWORK_ACTION_CHAT_CLIENT:
00922
00923 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00924 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00925 break;
00926
00927
00928 case NETWORK_ACTION_GIVE_MONEY:
00929 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00930
00931 case NETWORK_ACTION_CHAT_COMPANY: {
00932 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00933 SetDParam(0, ci_to->client_playas);
00934
00935 GetString(name, str, lastof(name));
00936 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00937 break;
00938 }
00939
00940 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00941 }
00942 } else {
00943
00944 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00945 ci = ci_to;
00946 }
00947
00948 if (ci != NULL) {
00949 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00950 }
00951 return NETWORK_RECV_STATUS_OKAY;
00952 }
00953
00954 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR_QUIT)
00955 {
00956 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00957
00958 ClientID client_id = (ClientID)p->Recv_uint32();
00959
00960 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00961 if (ci != NULL) {
00962 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00963 delete ci;
00964 }
00965
00966 SetWindowDirty(WC_CLIENT_LIST, 0);
00967
00968 return NETWORK_RECV_STATUS_OKAY;
00969 }
00970
00971 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_QUIT)
00972 {
00973 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00974
00975 ClientID client_id = (ClientID)p->Recv_uint32();
00976
00977 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00978 if (ci != NULL) {
00979 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00980 delete ci;
00981 } else {
00982 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00983 }
00984
00985 SetWindowDirty(WC_CLIENT_LIST, 0);
00986
00987
00988 return NETWORK_RECV_STATUS_OKAY;
00989 }
00990
00991 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_JOIN)
00992 {
00993 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00994
00995 ClientID client_id = (ClientID)p->Recv_uint32();
00996
00997 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00998 if (ci != NULL) {
00999 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
01000 }
01001
01002 SetWindowDirty(WC_CLIENT_LIST, 0);
01003
01004 return NETWORK_RECV_STATUS_OKAY;
01005 }
01006
01007 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SHUTDOWN)
01008 {
01009
01010
01011 if (this->status >= STATUS_JOIN) {
01012 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
01013 }
01014
01015 return NETWORK_RECV_STATUS_SERVER_ERROR;
01016 }
01017
01018 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEWGAME)
01019 {
01020
01021
01022 if (this->status >= STATUS_JOIN) {
01023
01024
01025
01026 _network_reconnect = _network_own_client_id % 16;
01027 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
01028 }
01029
01030 return NETWORK_RECV_STATUS_SERVER_ERROR;
01031 }
01032
01033 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_RCON)
01034 {
01035 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01036
01037 TextColour colour_code = (TextColour)p->Recv_uint16();
01038 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01039
01040 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01041 p->Recv_string(rcon_out, sizeof(rcon_out));
01042
01043 IConsolePrint(colour_code, rcon_out);
01044
01045 return NETWORK_RECV_STATUS_OKAY;
01046 }
01047
01048 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MOVE)
01049 {
01050 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01051
01052
01053 ClientID client_id = (ClientID)p->Recv_uint32();
01054 CompanyID company_id = (CompanyID)p->Recv_uint8();
01055
01056 if (client_id == 0) {
01057
01058 DEBUG(net, 0, "[move] received invalid client index = 0");
01059 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01060 }
01061
01062 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01063
01064 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01065
01066
01067 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01068
01069 if (client_id == _network_own_client_id) {
01070 SetLocalCompany(company_id);
01071 }
01072
01073 return NETWORK_RECV_STATUS_OKAY;
01074 }
01075
01076 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CONFIG_UPDATE)
01077 {
01078 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01079
01080 _network_server_max_companies = p->Recv_uint8();
01081 _network_server_max_spectators = p->Recv_uint8();
01082
01083 return NETWORK_RECV_STATUS_OKAY;
01084 }
01085
01086 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_UPDATE)
01087 {
01088 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01089
01090 _network_company_passworded = p->Recv_uint16();
01091 SetWindowClassesDirty(WC_COMPANY);
01092
01093 return NETWORK_RECV_STATUS_OKAY;
01094 }
01095
01099 void ClientNetworkGameSocketHandler::CheckConnection()
01100 {
01101
01102 if (this->status < STATUS_AUTHORIZED) return;
01103
01104
01105 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01106
01107
01108
01109 uint lag = (_realtime_tick - this->last_packet) / 1000;
01110 if (lag < 5) return;
01111
01112
01113
01114 if (lag > 20) {
01115 this->NetworkGameSocketHandler::CloseConnection();
01116 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
01117 return;
01118 }
01119
01120
01121 static uint last_lag = 0;
01122 if (last_lag == lag) return;
01123
01124 last_lag = lag;
01125 SetDParam(0, lag);
01126 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01127 }
01128
01129
01130
01131 void NetworkClient_Connected()
01132 {
01133
01134 _frame_counter = 0;
01135 _frame_counter_server = 0;
01136 last_ack_frame = 0;
01137
01138 MyClient::SendJoin();
01139 }
01140
01141 void NetworkClientSendRcon(const char *password, const char *command)
01142 {
01143 MyClient::SendRCon(password, command);
01144 }
01145
01152 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01153 {
01154 MyClient::SendMove(company_id, pass);
01155 }
01156
01157 void NetworkClientsToSpectators(CompanyID cid)
01158 {
01159 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01160
01161 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01162
01163 NetworkClientInfo *ci;
01164 FOR_ALL_CLIENT_INFOS(ci) {
01165 if (ci->client_playas != cid) continue;
01166 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01167 ci->client_playas = COMPANY_SPECTATOR;
01168 }
01169
01170 cur_company.Restore();
01171 }
01172
01173 void NetworkUpdateClientName()
01174 {
01175 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01176
01177 if (ci == NULL) return;
01178
01179
01180 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01181 if (!_network_server) {
01182 MyClient::SendSetName(_settings_client.network.client_name);
01183 } else {
01184 if (NetworkFindName(_settings_client.network.client_name)) {
01185 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01186 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01187 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01188 }
01189 }
01190 }
01191 }
01192
01193 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01194 {
01195 MyClient::SendChat(action, type, dest, msg, data);
01196 }
01197
01202 void NetworkClientSetCompanyPassword(const char *password)
01203 {
01204 MyClient::SendSetPassword(password);
01205 }
01206
01212 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01213 {
01214
01215 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01216
01217 const NetworkClientInfo *ci;
01218 FOR_ALL_CLIENT_INFOS(ci) {
01219 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01220 }
01221
01222 return false;
01223 }
01224
01229 bool NetworkMaxCompaniesReached()
01230 {
01231 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01232 }
01233
01238 bool NetworkMaxSpectatorsReached()
01239 {
01240 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01241 }
01242
01246 void NetworkPrintClients()
01247 {
01248 NetworkClientInfo *ci;
01249 FOR_ALL_CLIENT_INFOS(ci) {
01250 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01251 ci->client_id,
01252 ci->client_name,
01253 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01254 GetClientIP(ci));
01255 }
01256 }
01257
01258 #endif