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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 "../gui.h"
00029 #include "../rev.h"
00030 #include "network.h"
00031 #include "network_base.h"
00032 #include "network_client.h"
00033
00034 #include "table/strings.h"
00035
00036
00037
00038
00040 struct PacketReader : LoadFilter {
00041 static const size_t CHUNK = 32 * 1024;
00042
00043 AutoFreeSmallVector<byte *, 16> blocks;
00044 byte *buf;
00045 byte *bufe;
00046 byte **block;
00047 size_t written_bytes;
00048 size_t read_bytes;
00049
00051 PacketReader() : LoadFilter(NULL), buf(NULL), bufe(NULL), block(NULL), written_bytes(0), read_bytes(0)
00052 {
00053 }
00054
00059 void AddPacket(const Packet *p)
00060 {
00061 assert(this->read_bytes == 0);
00062
00063 size_t in_packet = p->size - p->pos;
00064 size_t to_write = min((size_t)(this->bufe - this->buf), in_packet);
00065 const byte *pbuf = p->buffer + p->pos;
00066
00067 this->written_bytes += in_packet;
00068 if (to_write != 0) {
00069 memcpy(this->buf, pbuf, to_write);
00070 this->buf += to_write;
00071 }
00072
00073
00074 if (to_write == in_packet) return;
00075
00076
00077 pbuf += to_write;
00078 to_write = in_packet - to_write;
00079 this->buf = *this->blocks.Append() = CallocT<byte>(CHUNK);
00080 this->bufe = this->buf + CHUNK;
00081
00082 memcpy(this->buf, pbuf, to_write);
00083 this->buf += to_write;
00084 }
00085
00086 size_t Read(byte *rbuf, size_t size)
00087 {
00088
00089 size_t ret_size = size = min(this->written_bytes - this->read_bytes, size);
00090 this->read_bytes += ret_size;
00091 const byte *rbufe = rbuf + ret_size;
00092
00093 while (rbuf != rbufe) {
00094 if (this->buf == this->bufe) {
00095 this->buf = *this->block++;
00096 this->bufe = this->buf + CHUNK;
00097 }
00098
00099 size_t to_write = min(this->bufe - this->buf, rbufe - rbuf);
00100 memcpy(rbuf, this->buf, to_write);
00101 rbuf += to_write;
00102 this->buf += to_write;
00103 }
00104
00105 return ret_size;
00106 }
00107
00108 void Reset()
00109 {
00110 this->read_bytes = 0;
00111
00112 this->block = this->blocks.Begin();
00113 this->buf = *this->block++;
00114 this->bufe = this->buf + CHUNK;
00115 }
00116 };
00117
00118
00123 ClientNetworkGameSocketHandler::ClientNetworkGameSocketHandler(SOCKET s) : NetworkGameSocketHandler(s), savegame(NULL), status(STATUS_INACTIVE)
00124 {
00125 assert(ClientNetworkGameSocketHandler::my_client == NULL);
00126 ClientNetworkGameSocketHandler::my_client = this;
00127 }
00128
00130 ClientNetworkGameSocketHandler::~ClientNetworkGameSocketHandler()
00131 {
00132 assert(ClientNetworkGameSocketHandler::my_client == this);
00133 ClientNetworkGameSocketHandler::my_client = NULL;
00134
00135 delete this->savegame;
00136 }
00137
00138 NetworkRecvStatus ClientNetworkGameSocketHandler::CloseConnection(NetworkRecvStatus status)
00139 {
00140 assert(status != NETWORK_RECV_STATUS_OKAY);
00141
00142
00143
00144
00145
00146
00147
00148 if (this->sock == INVALID_SOCKET) return status;
00149
00150 DEBUG(net, 1, "Closed client connection %d", this->client_id);
00151
00152 this->SendPackets(true);
00153
00154 delete this->GetInfo();
00155 delete this;
00156
00157 return status;
00158 }
00159
00164 void ClientNetworkGameSocketHandler::ClientError(NetworkRecvStatus res)
00165 {
00166
00167
00168 NetworkErrorCode errorno;
00169
00170
00171 if (res == NETWORK_RECV_STATUS_CLOSE_QUERY) {
00172 this->NetworkSocketHandler::CloseConnection();
00173 this->CloseConnection(res);
00174 _networking = false;
00175
00176 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00177 return;
00178 }
00179
00180 switch (res) {
00181 case NETWORK_RECV_STATUS_DESYNC: errorno = NETWORK_ERROR_DESYNC; break;
00182 case NETWORK_RECV_STATUS_SAVEGAME: errorno = NETWORK_ERROR_SAVEGAME_FAILED; break;
00183 case NETWORK_RECV_STATUS_NEWGRF_MISMATCH: errorno = NETWORK_ERROR_NEWGRF_MISMATCH; break;
00184 default: errorno = NETWORK_ERROR_GENERAL; break;
00185 }
00186
00187
00188 if (res != NETWORK_RECV_STATUS_SERVER_ERROR && res != NETWORK_RECV_STATUS_SERVER_FULL &&
00189 res != NETWORK_RECV_STATUS_SERVER_BANNED) {
00190 SendError(errorno);
00191 }
00192
00193 _switch_mode = SM_MENU;
00194 this->CloseConnection(res);
00195 _networking = false;
00196 }
00197
00198
00204 bool ClientNetworkGameSocketHandler::Receive()
00205 {
00206 if (my_client->CanSendReceive()) {
00207 NetworkRecvStatus res = my_client->ReceivePackets();
00208 if (res != NETWORK_RECV_STATUS_OKAY) {
00209
00210
00211 my_client->ClientError(res);
00212 return false;
00213 }
00214 }
00215 return _networking;
00216 }
00217
00219 void ClientNetworkGameSocketHandler::Send()
00220 {
00221 my_client->SendPackets();
00222 my_client->CheckConnection();
00223 }
00224
00229 bool ClientNetworkGameSocketHandler::GameLoop()
00230 {
00231 _frame_counter++;
00232
00233 NetworkExecuteLocalCommandQueue();
00234
00235 extern void StateGameLoop();
00236 StateGameLoop();
00237
00238
00239 if (_sync_frame != 0) {
00240 if (_sync_frame == _frame_counter) {
00241 #ifdef NETWORK_SEND_DOUBLE_SEED
00242 if (_sync_seed_1 != _random.state[0] || _sync_seed_2 != _random.state[1]) {
00243 #else
00244 if (_sync_seed_1 != _random.state[0]) {
00245 #endif
00246 NetworkError(STR_NETWORK_ERROR_DESYNC);
00247 DEBUG(desync, 1, "sync_err: %08x; %02x", _date, _date_fract);
00248 DEBUG(net, 0, "Sync error detected!");
00249 my_client->ClientError(NETWORK_RECV_STATUS_DESYNC);
00250 return false;
00251 }
00252
00253
00254
00255
00256 if (_network_first_time) {
00257 _network_first_time = false;
00258 SendAck();
00259 }
00260
00261 _sync_frame = 0;
00262 } else if (_sync_frame < _frame_counter) {
00263 DEBUG(net, 1, "Missed frame for sync-test (%d / %d)", _sync_frame, _frame_counter);
00264 _sync_frame = 0;
00265 }
00266 }
00267
00268 return true;
00269 }
00270
00271
00273 ClientNetworkGameSocketHandler * ClientNetworkGameSocketHandler::my_client = NULL;
00274
00275 static uint32 last_ack_frame;
00276
00278 static uint32 _password_game_seed;
00280 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00281
00283 static uint8 _network_server_max_companies;
00285 static uint8 _network_server_max_spectators;
00286
00288 CompanyID _network_join_as;
00289
00291 const char *_network_join_server_password = NULL;
00293 const char *_network_join_company_password = NULL;
00294
00296 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00297
00298
00299
00300
00301
00302
00303 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyInformationQuery()
00304 {
00305 my_client->status = STATUS_COMPANY_INFO;
00306 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00307 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00308
00309 Packet *p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00310 my_client->SendPacket(p);
00311 return NETWORK_RECV_STATUS_OKAY;
00312 }
00313
00314 NetworkRecvStatus ClientNetworkGameSocketHandler::SendJoin()
00315 {
00316 my_client->status = STATUS_JOIN;
00317 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00318 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00319
00320 Packet *p = new Packet(PACKET_CLIENT_JOIN);
00321 p->Send_string(_openttd_revision);
00322 p->Send_string(_settings_client.network.client_name);
00323 p->Send_uint8 (_network_join_as);
00324 p->Send_uint8 (NETLANG_ANY);
00325 my_client->SendPacket(p);
00326 return NETWORK_RECV_STATUS_OKAY;
00327 }
00328
00329 NetworkRecvStatus ClientNetworkGameSocketHandler::SendNewGRFsOk()
00330 {
00331 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00332 my_client->SendPacket(p);
00333 return NETWORK_RECV_STATUS_OKAY;
00334 }
00335
00336 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGamePassword(const char *password)
00337 {
00338 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00339 p->Send_string(password);
00340 my_client->SendPacket(p);
00341 return NETWORK_RECV_STATUS_OKAY;
00342 }
00343
00344 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCompanyPassword(const char *password)
00345 {
00346 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00347 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00348 my_client->SendPacket(p);
00349 return NETWORK_RECV_STATUS_OKAY;
00350 }
00351
00352 NetworkRecvStatus ClientNetworkGameSocketHandler::SendGetMap()
00353 {
00354 my_client->status = STATUS_MAP_WAIT;
00355
00356 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00357
00358
00359
00360
00361
00362
00363 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00364 my_client->SendPacket(p);
00365 return NETWORK_RECV_STATUS_OKAY;
00366 }
00367
00368 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMapOk()
00369 {
00370 my_client->status = STATUS_ACTIVE;
00371
00372 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00373 my_client->SendPacket(p);
00374 return NETWORK_RECV_STATUS_OKAY;
00375 }
00376
00377 NetworkRecvStatus ClientNetworkGameSocketHandler::SendAck()
00378 {
00379 Packet *p = new Packet(PACKET_CLIENT_ACK);
00380
00381 p->Send_uint32(_frame_counter);
00382 p->Send_uint8 (my_client->token);
00383 my_client->SendPacket(p);
00384 return NETWORK_RECV_STATUS_OKAY;
00385 }
00386
00387
00388 NetworkRecvStatus ClientNetworkGameSocketHandler::SendCommand(const CommandPacket *cp)
00389 {
00390 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00391 my_client->NetworkGameSocketHandler::SendCommand(p, cp);
00392
00393 my_client->SendPacket(p);
00394 return NETWORK_RECV_STATUS_OKAY;
00395 }
00396
00397
00398 NetworkRecvStatus ClientNetworkGameSocketHandler::SendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00399 {
00400 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00401
00402 p->Send_uint8 (action);
00403 p->Send_uint8 (type);
00404 p->Send_uint32(dest);
00405 p->Send_string(msg);
00406 p->Send_uint64(data);
00407
00408 my_client->SendPacket(p);
00409 return NETWORK_RECV_STATUS_OKAY;
00410 }
00411
00412
00413 NetworkRecvStatus ClientNetworkGameSocketHandler::SendError(NetworkErrorCode errorno)
00414 {
00415 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00416
00417 p->Send_uint8(errorno);
00418 my_client->SendPacket(p);
00419 return NETWORK_RECV_STATUS_OKAY;
00420 }
00421
00422 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetPassword(const char *password)
00423 {
00424 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00425
00426 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00427 my_client->SendPacket(p);
00428 return NETWORK_RECV_STATUS_OKAY;
00429 }
00430
00431 NetworkRecvStatus ClientNetworkGameSocketHandler::SendSetName(const char *name)
00432 {
00433 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00434
00435 p->Send_string(name);
00436 my_client->SendPacket(p);
00437 return NETWORK_RECV_STATUS_OKAY;
00438 }
00439
00440 NetworkRecvStatus ClientNetworkGameSocketHandler::SendQuit()
00441 {
00442 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00443
00444 my_client->SendPacket(p);
00445 return NETWORK_RECV_STATUS_OKAY;
00446 }
00447
00448 NetworkRecvStatus ClientNetworkGameSocketHandler::SendRCon(const char *pass, const char *command)
00449 {
00450 Packet *p = new Packet(PACKET_CLIENT_RCON);
00451 p->Send_string(pass);
00452 p->Send_string(command);
00453 my_client->SendPacket(p);
00454 return NETWORK_RECV_STATUS_OKAY;
00455 }
00456
00457 NetworkRecvStatus ClientNetworkGameSocketHandler::SendMove(CompanyID company, const char *password)
00458 {
00459 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00460 p->Send_uint8(company);
00461 p->Send_string(GenerateCompanyPasswordHash(password, _password_server_id, _password_game_seed));
00462 my_client->SendPacket(p);
00463 return NETWORK_RECV_STATUS_OKAY;
00464 }
00465
00470 bool ClientNetworkGameSocketHandler::IsConnected()
00471 {
00472 return my_client != NULL && my_client->status == STATUS_ACTIVE;
00473 }
00474
00475
00476
00477
00478
00479
00480
00481 extern bool SafeLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir, struct LoadFilter *lf = NULL);
00482 extern StringID _switch_mode_errorstr;
00483
00484 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FULL)
00485 {
00486
00487 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00488 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00489
00490 return NETWORK_RECV_STATUS_SERVER_FULL;
00491 }
00492
00493 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_BANNED)
00494 {
00495
00496 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00497 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00498
00499 return NETWORK_RECV_STATUS_SERVER_BANNED;
00500 }
00501
00502 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_INFO)
00503 {
00504 if (this->status != STATUS_COMPANY_INFO) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00505
00506 byte company_info_version = p->Recv_uint8();
00507
00508 if (!this->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00509
00510 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00511
00512 CompanyID current = (Owner)p->Recv_uint8();
00513 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00514
00515 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00516 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00517
00518 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00519 company_info->inaugurated_year = p->Recv_uint32();
00520 company_info->company_value = p->Recv_uint64();
00521 company_info->money = p->Recv_uint64();
00522 company_info->income = p->Recv_uint64();
00523 company_info->performance = p->Recv_uint16();
00524 company_info->use_password = p->Recv_bool();
00525 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00526 company_info->num_vehicle[i] = p->Recv_uint16();
00527 }
00528 for (uint i = 0; i < NETWORK_VEH_END; i++) {
00529 company_info->num_station[i] = p->Recv_uint16();
00530 }
00531 company_info->ai = p->Recv_bool();
00532
00533 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00534
00535 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00536
00537 return NETWORK_RECV_STATUS_OKAY;
00538 }
00539
00540 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00541 }
00542
00543
00544
00545
00546 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CLIENT_INFO)
00547 {
00548 NetworkClientInfo *ci;
00549 ClientID client_id = (ClientID)p->Recv_uint32();
00550 CompanyID playas = (CompanyID)p->Recv_uint8();
00551 char name[NETWORK_NAME_LENGTH];
00552
00553 p->Recv_string(name, sizeof(name));
00554
00555 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00556 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00557
00558 ci = NetworkFindClientInfoFromClientID(client_id);
00559 if (ci != NULL) {
00560 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00561
00562 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00563 } else if (playas != ci->client_playas) {
00564
00565
00566 }
00567
00568
00569
00570 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00571
00572 ci->client_playas = playas;
00573 strecpy(ci->client_name, name, lastof(ci->client_name));
00574
00575 SetWindowDirty(WC_CLIENT_LIST, 0);
00576
00577 return NETWORK_RECV_STATUS_OKAY;
00578 }
00579
00580
00581
00582
00583
00584
00585 if (!NetworkClientInfo::CanAllocateItem()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00586
00587
00588 ci = new NetworkClientInfo(client_id);
00589 ci->client_playas = playas;
00590 if (client_id == _network_own_client_id) this->SetInfo(ci);
00591
00592 strecpy(ci->client_name, name, lastof(ci->client_name));
00593
00594 SetWindowDirty(WC_CLIENT_LIST, 0);
00595
00596 return NETWORK_RECV_STATUS_OKAY;
00597 }
00598
00599 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR)
00600 {
00601 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00602
00603 switch (error) {
00604
00605 case NETWORK_ERROR_NOT_AUTHORIZED:
00606 case NETWORK_ERROR_NOT_EXPECTED:
00607 case NETWORK_ERROR_COMPANY_MISMATCH:
00608 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00609 break;
00610 case NETWORK_ERROR_FULL:
00611 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00612 break;
00613 case NETWORK_ERROR_WRONG_REVISION:
00614 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00615 break;
00616 case NETWORK_ERROR_WRONG_PASSWORD:
00617 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00618 break;
00619 case NETWORK_ERROR_KICKED:
00620 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00621 break;
00622 case NETWORK_ERROR_CHEATER:
00623 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00624 break;
00625 case NETWORK_ERROR_TOO_MANY_COMMANDS:
00626 _switch_mode_errorstr = STR_NETWORK_ERROR_TOO_MANY_COMMANDS;
00627 break;
00628 default:
00629 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00630 }
00631
00632 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00633
00634 return NETWORK_RECV_STATUS_SERVER_ERROR;
00635 }
00636
00637 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHECK_NEWGRFS)
00638 {
00639 if (this->status != STATUS_JOIN) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00640
00641 uint grf_count = p->Recv_uint8();
00642 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00643
00644
00645 for (; grf_count > 0; grf_count--) {
00646 GRFIdentifier c;
00647 this->ReceiveGRFIdentifier(p, &c);
00648
00649
00650 const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
00651 if (f == NULL) {
00652
00653 char buf[sizeof(c.md5sum) * 2 + 1];
00654 md5sumToString(buf, lastof(buf), c.md5sum);
00655 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00656 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00657 }
00658 }
00659
00660 if (ret == NETWORK_RECV_STATUS_OKAY) {
00661
00662 return SendNewGRFsOk();
00663 }
00664
00665
00666 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00667 return ret;
00668 }
00669
00670 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_GAME_PASSWORD)
00671 {
00672 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_GAME) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00673 this->status = STATUS_AUTH_GAME;
00674
00675 const char *password = _network_join_server_password;
00676 if (!StrEmpty(password)) {
00677 return SendGamePassword(password);
00678 }
00679
00680 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00681
00682 return NETWORK_RECV_STATUS_OKAY;
00683 }
00684
00685 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEED_COMPANY_PASSWORD)
00686 {
00687 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTH_COMPANY) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00688 this->status = STATUS_AUTH_COMPANY;
00689
00690 _password_game_seed = p->Recv_uint32();
00691 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00692 if (this->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00693
00694 const char *password = _network_join_company_password;
00695 if (!StrEmpty(password)) {
00696 return SendCompanyPassword(password);
00697 }
00698
00699 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00700
00701 return NETWORK_RECV_STATUS_OKAY;
00702 }
00703
00704 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WELCOME)
00705 {
00706 if (this->status < STATUS_JOIN || this->status >= STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00707 this->status = STATUS_AUTHORIZED;
00708
00709 _network_own_client_id = (ClientID)p->Recv_uint32();
00710
00711
00712 _password_game_seed = p->Recv_uint32();
00713 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00714
00715
00716 return SendGetMap();
00717 }
00718
00719 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_WAIT)
00720 {
00721 if (this->status != STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00722 this->status = STATUS_MAP_WAIT;
00723
00724 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00725 _network_join_waiting = p->Recv_uint8();
00726 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00727
00728
00729 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00730 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00731
00732 return NETWORK_RECV_STATUS_OKAY;
00733 }
00734
00735 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_BEGIN)
00736 {
00737 if (this->status < STATUS_AUTHORIZED || this->status >= STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00738 this->status = STATUS_MAP;
00739
00740 if (this->savegame != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00741
00742 this->savegame = new PacketReader();
00743
00744 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00745
00746 _network_join_bytes = 0;
00747 _network_join_bytes_total = 0;
00748
00749 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00750 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00751
00752 return NETWORK_RECV_STATUS_OKAY;
00753 }
00754
00755 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_SIZE)
00756 {
00757 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00758 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00759
00760 _network_join_bytes_total = p->Recv_uint32();
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_DATA)
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
00772 this->savegame->AddPacket(p);
00773
00774 _network_join_bytes = (uint32)this->savegame->written_bytes;
00775 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00776
00777 return NETWORK_RECV_STATUS_OKAY;
00778 }
00779
00780 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MAP_DONE)
00781 {
00782 if (this->status != STATUS_MAP) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00783 if (this->savegame == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00784
00785 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00786 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00787
00788
00789
00790
00791
00792
00793
00794
00795 LoadFilter *lf = this->savegame;
00796 this->savegame = NULL;
00797 lf->Reset();
00798
00799
00800 bool load_success = SafeLoad(NULL, SL_LOAD, GM_NORMAL, NO_DIRECTORY, lf);
00801
00802
00803 this->last_packet = _realtime_tick;
00804
00805 if (!load_success) {
00806 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00807 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00808 return NETWORK_RECV_STATUS_SAVEGAME;
00809 }
00810
00811
00812
00813
00814 SendMapOk();
00815
00816
00817
00818 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00819 SetLocalCompany(COMPANY_SPECTATOR);
00820
00821 if (_network_join_as != COMPANY_SPECTATOR) {
00822
00823
00824 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00825 ShowJoinStatusWindow();
00826 NetworkSendCommand(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00827 }
00828 } else {
00829
00830 SetLocalCompany(_network_join_as);
00831 }
00832
00833 return NETWORK_RECV_STATUS_OKAY;
00834 }
00835
00836 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_FRAME)
00837 {
00838 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00839
00840 _frame_counter_server = p->Recv_uint32();
00841 _frame_counter_max = p->Recv_uint32();
00842 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00843
00844
00845 if (p->pos + 1 < p->size) {
00846 _sync_frame = _frame_counter_server;
00847 _sync_seed_1 = p->Recv_uint32();
00848 #ifdef NETWORK_SEND_DOUBLE_SEED
00849 _sync_seed_2 = p->Recv_uint32();
00850 #endif
00851 }
00852 #endif
00853
00854 if (p->pos != p->size) this->token = p->Recv_uint8();
00855
00856 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00857
00858
00859
00860 if (!_network_first_time && last_ack_frame < _frame_counter) {
00861 last_ack_frame = _frame_counter + DAY_TICKS;
00862 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00863 SendAck();
00864 }
00865
00866 return NETWORK_RECV_STATUS_OKAY;
00867 }
00868
00869 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SYNC)
00870 {
00871 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00872
00873 _sync_frame = p->Recv_uint32();
00874 _sync_seed_1 = p->Recv_uint32();
00875 #ifdef NETWORK_SEND_DOUBLE_SEED
00876 _sync_seed_2 = p->Recv_uint32();
00877 #endif
00878
00879 return NETWORK_RECV_STATUS_OKAY;
00880 }
00881
00882 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMMAND)
00883 {
00884 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00885
00886 CommandPacket cp;
00887 const char *err = this->ReceiveCommand(p, &cp);
00888 cp.frame = p->Recv_uint32();
00889 cp.my_cmd = p->Recv_bool();
00890
00891 if (err != NULL) {
00892 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00893 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00894 }
00895
00896 this->incoming_queue.Append(&cp);
00897
00898 return NETWORK_RECV_STATUS_OKAY;
00899 }
00900
00901 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHAT)
00902 {
00903 if (this->status != STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00904
00905 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00906 const NetworkClientInfo *ci = NULL, *ci_to;
00907
00908 NetworkAction action = (NetworkAction)p->Recv_uint8();
00909 ClientID client_id = (ClientID)p->Recv_uint32();
00910 bool self_send = p->Recv_bool();
00911 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00912 int64 data = p->Recv_uint64();
00913
00914 ci_to = NetworkFindClientInfoFromClientID(client_id);
00915 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00916
00917
00918 if (self_send) {
00919 switch (action) {
00920 case NETWORK_ACTION_CHAT_CLIENT:
00921
00922 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00923 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00924 break;
00925
00926
00927 case NETWORK_ACTION_GIVE_MONEY:
00928 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00929
00930 case NETWORK_ACTION_CHAT_COMPANY: {
00931 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00932 SetDParam(0, ci_to->client_playas);
00933
00934 GetString(name, str, lastof(name));
00935 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00936 break;
00937 }
00938
00939 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00940 }
00941 } else {
00942
00943 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00944 ci = ci_to;
00945 }
00946
00947 if (ci != NULL) {
00948 NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00949 }
00950 return NETWORK_RECV_STATUS_OKAY;
00951 }
00952
00953 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_ERROR_QUIT)
00954 {
00955 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00956
00957 ClientID client_id = (ClientID)p->Recv_uint32();
00958
00959 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00960 if (ci != NULL) {
00961 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00962 delete ci;
00963 }
00964
00965 SetWindowDirty(WC_CLIENT_LIST, 0);
00966
00967 return NETWORK_RECV_STATUS_OKAY;
00968 }
00969
00970 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_QUIT)
00971 {
00972 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00973
00974 ClientID client_id = (ClientID)p->Recv_uint32();
00975
00976 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00977 if (ci != NULL) {
00978 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00979 delete ci;
00980 } else {
00981 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00982 }
00983
00984 SetWindowDirty(WC_CLIENT_LIST, 0);
00985
00986
00987 return NETWORK_RECV_STATUS_OKAY;
00988 }
00989
00990 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_JOIN)
00991 {
00992 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00993
00994 ClientID client_id = (ClientID)p->Recv_uint32();
00995
00996 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00997 if (ci != NULL) {
00998 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00999 }
01000
01001 SetWindowDirty(WC_CLIENT_LIST, 0);
01002
01003 return NETWORK_RECV_STATUS_OKAY;
01004 }
01005
01006 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_SHUTDOWN)
01007 {
01008
01009
01010 if (this->status >= STATUS_JOIN) {
01011 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
01012 }
01013
01014 return NETWORK_RECV_STATUS_SERVER_ERROR;
01015 }
01016
01017 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_NEWGAME)
01018 {
01019
01020
01021 if (this->status >= STATUS_JOIN) {
01022
01023
01024
01025 _network_reconnect = _network_own_client_id % 16;
01026 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
01027 }
01028
01029 return NETWORK_RECV_STATUS_SERVER_ERROR;
01030 }
01031
01032 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_RCON)
01033 {
01034 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01035
01036 TextColour colour_code = (TextColour)p->Recv_uint16();
01037 if (!IsValidConsoleColour(colour_code)) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01038
01039 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
01040 p->Recv_string(rcon_out, sizeof(rcon_out));
01041
01042 IConsolePrint(colour_code, rcon_out);
01043
01044 return NETWORK_RECV_STATUS_OKAY;
01045 }
01046
01047 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_MOVE)
01048 {
01049 if (this->status < STATUS_AUTHORIZED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01050
01051
01052 ClientID client_id = (ClientID)p->Recv_uint32();
01053 CompanyID company_id = (CompanyID)p->Recv_uint8();
01054
01055 if (client_id == 0) {
01056
01057 DEBUG(net, 0, "[move] received invalid client index = 0");
01058 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01059 }
01060
01061 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01062
01063 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
01064
01065
01066 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
01067
01068 if (client_id == _network_own_client_id) {
01069 SetLocalCompany(company_id);
01070 }
01071
01072 return NETWORK_RECV_STATUS_OKAY;
01073 }
01074
01075 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CONFIG_UPDATE)
01076 {
01077 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01078
01079 _network_server_max_companies = p->Recv_uint8();
01080 _network_server_max_spectators = p->Recv_uint8();
01081
01082 return NETWORK_RECV_STATUS_OKAY;
01083 }
01084
01085 DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_COMPANY_UPDATE)
01086 {
01087 if (this->status < STATUS_ACTIVE) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
01088
01089 _network_company_passworded = p->Recv_uint16();
01090 SetWindowClassesDirty(WC_COMPANY);
01091
01092 return NETWORK_RECV_STATUS_OKAY;
01093 }
01094
01098 void ClientNetworkGameSocketHandler::CheckConnection()
01099 {
01100
01101 if (this->status < STATUS_AUTHORIZED) return;
01102
01103
01104 if (_realtime_tick < this->last_packet) this->last_packet = _realtime_tick;
01105
01106
01107
01108 uint lag = (_realtime_tick - this->last_packet) / 1000;
01109 if (lag < 5) return;
01110
01111
01112
01113 if (lag > 20) {
01114 this->NetworkGameSocketHandler::CloseConnection();
01115 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
01116 return;
01117 }
01118
01119
01120 static uint last_lag = 0;
01121 if (last_lag == lag) return;
01122
01123 last_lag = lag;
01124 SetDParam(0, lag);
01125 ShowErrorMessage(STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION_CAPTION, STR_NETWORK_ERROR_CLIENT_GUI_LOST_CONNECTION, WL_INFO);
01126 }
01127
01128
01129
01130 void NetworkClient_Connected()
01131 {
01132
01133 _frame_counter = 0;
01134 _frame_counter_server = 0;
01135 last_ack_frame = 0;
01136
01137 MyClient::SendJoin();
01138 }
01139
01140 void NetworkClientSendRcon(const char *password, const char *command)
01141 {
01142 MyClient::SendRCon(password, command);
01143 }
01144
01151 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01152 {
01153 MyClient::SendMove(company_id, pass);
01154 }
01155
01156 void NetworkClientsToSpectators(CompanyID cid)
01157 {
01158
01159 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01160
01161 NetworkClientInfo *ci;
01162 FOR_ALL_CLIENT_INFOS(ci) {
01163 if (ci->client_playas != cid) continue;
01164 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01165 ci->client_playas = COMPANY_SPECTATOR;
01166 }
01167 }
01168
01169 void NetworkUpdateClientName()
01170 {
01171 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01172
01173 if (ci == NULL) return;
01174
01175
01176 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01177 if (!_network_server) {
01178 MyClient::SendSetName(_settings_client.network.client_name);
01179 } else {
01180 if (NetworkFindName(_settings_client.network.client_name)) {
01181 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01182 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01183 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01184 }
01185 }
01186 }
01187 }
01188
01189 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01190 {
01191 MyClient::SendChat(action, type, dest, msg, data);
01192 }
01193
01198 void NetworkClientSetCompanyPassword(const char *password)
01199 {
01200 MyClient::SendSetPassword(password);
01201 }
01202
01208 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01209 {
01210
01211 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01212
01213 const NetworkClientInfo *ci;
01214 FOR_ALL_CLIENT_INFOS(ci) {
01215 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01216 }
01217
01218 return false;
01219 }
01220
01225 bool NetworkMaxCompaniesReached()
01226 {
01227 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01228 }
01229
01234 bool NetworkMaxSpectatorsReached()
01235 {
01236 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01237 }
01238
01242 void NetworkPrintClients()
01243 {
01244 NetworkClientInfo *ci;
01245 FOR_ALL_CLIENT_INFOS(ci) {
01246 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01247 ci->client_id,
01248 ci->client_name,
01249 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01250 GetClientIP(ci));
01251 }
01252 }
01253
01254 #endif