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00012 #ifdef ENABLE_NETWORK
00013
00014 #include "../stdafx.h"
00015 #include "../debug.h"
00016 #include "../strings_func.h"
00017 #include "../date_func.h"
00018 #include "network_server.h"
00019 #include "network_udp.h"
00020 #include "network.h"
00021 #include "network_base.h"
00022 #include "../console_func.h"
00023 #include "../company_base.h"
00024 #include "../command_func.h"
00025 #include "../saveload/saveload.h"
00026 #include "../station_base.h"
00027 #include "../genworld.h"
00028 #include "../fileio_func.h"
00029 #include "../company_func.h"
00030 #include "../company_gui.h"
00031 #include "../window_func.h"
00032 #include "../roadveh.h"
00033 #include "../rev.h"
00034
00035 #include "table/strings.h"
00036
00037
00038
00039 static void NetworkHandleCommandQueue(NetworkClientSocket *cs);
00040
00041
00042
00043
00044
00045
00046 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CLIENT_INFO)(NetworkClientSocket *cs, NetworkClientInfo *ci)
00047 {
00048
00049
00050
00051
00052
00053
00054
00055
00056
00057 if (ci->client_id != INVALID_CLIENT_ID) {
00058 Packet *p = new Packet(PACKET_SERVER_CLIENT_INFO);
00059 p->Send_uint32(ci->client_id);
00060 p->Send_uint8 (ci->client_playas);
00061 p->Send_string(ci->client_name);
00062
00063 cs->Send_Packet(p);
00064 }
00065 return NETWORK_RECV_STATUS_OKAY;
00066 }
00067
00068 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_COMPANY_INFO)
00069 {
00070
00071
00072
00073
00074
00075
00076
00077 NetworkCompanyStats company_stats[MAX_COMPANIES];
00078 NetworkPopulateCompanyStats(company_stats);
00079
00080
00081 char clients[MAX_COMPANIES][NETWORK_CLIENTS_LENGTH];
00082 NetworkClientSocket *csi;
00083 memset(clients, 0, sizeof(clients));
00084
00085
00086 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
00087 if (ci != NULL && Company::IsValidID(ci->client_playas)) {
00088 strecpy(clients[ci->client_playas], ci->client_name, lastof(clients[ci->client_playas]));
00089 }
00090
00091 FOR_ALL_CLIENT_SOCKETS(csi) {
00092 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00093
00094 NetworkGetClientName(client_name, sizeof(client_name), csi);
00095
00096 ci = csi->GetInfo();
00097 if (ci != NULL && Company::IsValidID(ci->client_playas)) {
00098 if (!StrEmpty(clients[ci->client_playas])) {
00099 strecat(clients[ci->client_playas], ", ", lastof(clients[ci->client_playas]));
00100 }
00101
00102 strecat(clients[ci->client_playas], client_name, lastof(clients[ci->client_playas]));
00103 }
00104 }
00105
00106
00107
00108 Company *company;
00109 Packet *p;
00110
00111 FOR_ALL_COMPANIES(company) {
00112 p = new Packet(PACKET_SERVER_COMPANY_INFO);
00113
00114 p->Send_uint8 (NETWORK_COMPANY_INFO_VERSION);
00115 p->Send_bool (true);
00116 cs->Send_CompanyInformation(p, company, &company_stats[company->index]);
00117
00118 if (StrEmpty(clients[company->index])) {
00119 p->Send_string("<none>");
00120 } else {
00121 p->Send_string(clients[company->index]);
00122 }
00123
00124 cs->Send_Packet(p);
00125 }
00126
00127 p = new Packet(PACKET_SERVER_COMPANY_INFO);
00128
00129 p->Send_uint8 (NETWORK_COMPANY_INFO_VERSION);
00130 p->Send_bool (false);
00131
00132 cs->Send_Packet(p);
00133 return NETWORK_RECV_STATUS_OKAY;
00134 }
00135
00136 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR)(NetworkClientSocket *cs, NetworkErrorCode error)
00137 {
00138
00139
00140
00141
00142
00143
00144
00145 char str[100];
00146 Packet *p = new Packet(PACKET_SERVER_ERROR);
00147
00148 p->Send_uint8(error);
00149 cs->Send_Packet(p);
00150
00151 StringID strid = GetNetworkErrorMsg(error);
00152 GetString(str, strid, lastof(str));
00153
00154
00155 if (cs->status > STATUS_AUTHORIZED) {
00156 NetworkClientSocket *new_cs;
00157 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00158
00159 NetworkGetClientName(client_name, sizeof(client_name), cs);
00160
00161 DEBUG(net, 1, "'%s' made an error and has been disconnected. Reason: '%s'", client_name, str);
00162
00163 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
00164
00165 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00166 if (new_cs->status > STATUS_AUTHORIZED && new_cs != cs) {
00167
00168
00169 if (error == NETWORK_ERROR_NOT_AUTHORIZED || error == NETWORK_ERROR_NOT_EXPECTED || error == NETWORK_ERROR_WRONG_REVISION)
00170 error = NETWORK_ERROR_ILLEGAL_PACKET;
00171
00172 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, error);
00173 }
00174 }
00175 } else {
00176 DEBUG(net, 1, "Client %d made an error and has been disconnected. Reason: '%s'", cs->client_id, str);
00177 }
00178
00179
00180 return NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
00181 }
00182
00183 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHECK_NEWGRFS)(NetworkClientSocket *cs)
00184 {
00185
00186
00187
00188
00189
00190
00191
00192
00193
00194
00195 Packet *p = new Packet(PACKET_SERVER_CHECK_NEWGRFS);
00196 const GRFConfig *c;
00197 uint grf_count = 0;
00198
00199 for (c = _grfconfig; c != NULL; c = c->next) {
00200 if (!HasBit(c->flags, GCF_STATIC)) grf_count++;
00201 }
00202
00203 p->Send_uint8 (grf_count);
00204 for (c = _grfconfig; c != NULL; c = c->next) {
00205 if (!HasBit(c->flags, GCF_STATIC)) cs->Send_GRFIdentifier(p, c);
00206 }
00207
00208 cs->Send_Packet(p);
00209 return NETWORK_RECV_STATUS_OKAY;
00210 }
00211
00212 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_NEED_GAME_PASSWORD)(NetworkClientSocket *cs)
00213 {
00214
00215
00216
00217
00218
00219
00220 if (cs->status >= STATUS_AUTH_GAME) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET);
00221
00222 cs->status = STATUS_AUTH_GAME;
00223
00224 Packet *p = new Packet(PACKET_SERVER_NEED_GAME_PASSWORD);
00225 cs->Send_Packet(p);
00226 return NETWORK_RECV_STATUS_OKAY;
00227 }
00228
00229 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_NEED_COMPANY_PASSWORD)(NetworkClientSocket *cs)
00230 {
00231
00232
00233
00234
00235
00236
00237
00238
00239
00240 if (cs->status >= STATUS_AUTH_COMPANY) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET);
00241
00242 cs->status = STATUS_AUTH_COMPANY;
00243
00244 Packet *p = new Packet(PACKET_SERVER_NEED_COMPANY_PASSWORD);
00245 p->Send_uint32(_settings_game.game_creation.generation_seed);
00246 p->Send_string(_settings_client.network.network_id);
00247 cs->Send_Packet(p);
00248 return NETWORK_RECV_STATUS_OKAY;
00249 }
00250
00251 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_WELCOME)
00252 {
00253
00254
00255
00256
00257
00258
00259
00260 Packet *p;
00261 NetworkClientSocket *new_cs;
00262
00263
00264 if (cs->status >= STATUS_AUTHORIZED) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET);
00265
00266 cs->status = STATUS_AUTHORIZED;
00267 _network_game_info.clients_on++;
00268
00269 p = new Packet(PACKET_SERVER_WELCOME);
00270 p->Send_uint32(cs->client_id);
00271 p->Send_uint32(_settings_game.game_creation.generation_seed);
00272 p->Send_string(_settings_client.network.network_id);
00273 cs->Send_Packet(p);
00274
00275
00276 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00277 if (new_cs != cs && new_cs->status > STATUS_AUTHORIZED)
00278 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, new_cs->GetInfo());
00279 }
00280
00281 return SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER));
00282 }
00283
00284 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_WAIT)
00285 {
00286
00287
00288
00289
00290
00291
00292
00293 int waiting = 0;
00294 NetworkClientSocket *new_cs;
00295 Packet *p;
00296
00297
00298 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00299 if (new_cs->status == STATUS_MAP_WAIT) waiting++;
00300 }
00301
00302 p = new Packet(PACKET_SERVER_WAIT);
00303 p->Send_uint8(waiting);
00304 cs->Send_Packet(p);
00305 return NETWORK_RECV_STATUS_OKAY;
00306 }
00307
00308
00309 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_MAP)
00310 {
00311
00312
00313
00314
00315
00316
00317
00318
00319
00320
00321
00322
00323
00324
00325 static FILE *file_pointer;
00326 static uint sent_packets;
00327
00328 if (cs->status < STATUS_AUTHORIZED) {
00329
00330 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00331 }
00332
00333 if (cs->status == STATUS_AUTHORIZED) {
00334 const char *filename = "network_server.tmp";
00335 Packet *p;
00336
00337
00338 if (SaveOrLoad(filename, SL_SAVE, AUTOSAVE_DIR) != SL_OK) usererror("network savedump failed");
00339
00340 file_pointer = FioFOpenFile(filename, "rb", AUTOSAVE_DIR);
00341 fseek(file_pointer, 0, SEEK_END);
00342
00343 if (ftell(file_pointer) == 0) usererror("network savedump failed - zero sized savegame?");
00344
00345
00346 p = new Packet(PACKET_SERVER_MAP);
00347 p->Send_uint8 (MAP_PACKET_START);
00348 p->Send_uint32(_frame_counter);
00349 p->Send_uint32(ftell(file_pointer));
00350 cs->Send_Packet(p);
00351
00352 fseek(file_pointer, 0, SEEK_SET);
00353
00354 sent_packets = 4;
00355
00356 NetworkSyncCommandQueue(cs);
00357 cs->status = STATUS_MAP;
00358
00359 cs->last_frame = _frame_counter;
00360 cs->last_frame_server = _frame_counter;
00361 }
00362
00363 if (cs->status == STATUS_MAP) {
00364 uint i;
00365 int res;
00366 for (i = 0; i < sent_packets; i++) {
00367 Packet *p = new Packet(PACKET_SERVER_MAP);
00368 p->Send_uint8(MAP_PACKET_NORMAL);
00369 res = (int)fread(p->buffer + p->size, 1, SEND_MTU - p->size, file_pointer);
00370
00371 if (ferror(file_pointer)) usererror("Error reading temporary network savegame!");
00372
00373 p->size += res;
00374 cs->Send_Packet(p);
00375 if (feof(file_pointer)) {
00376
00377 Packet *p = new Packet(PACKET_SERVER_MAP);
00378 p->Send_uint8(MAP_PACKET_END);
00379 cs->Send_Packet(p);
00380
00381
00382
00383 cs->status = STATUS_DONE_MAP;
00384 fclose(file_pointer);
00385
00386 NetworkClientSocket *new_cs;
00387 bool new_map_client = false;
00388
00389
00390 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00391 if (new_cs->status == STATUS_MAP_WAIT) {
00392
00393 if (!new_map_client) {
00394
00395 new_cs->status = STATUS_AUTHORIZED;
00396 new_map_client = true;
00397 SEND_COMMAND(PACKET_SERVER_MAP)(new_cs);
00398 } else {
00399
00400 SEND_COMMAND(PACKET_SERVER_WAIT)(new_cs);
00401 }
00402 }
00403 }
00404
00405
00406 break;
00407 }
00408 }
00409
00410
00411 cs->Send_Packets();
00412 if (cs->IsPacketQueueEmpty()) {
00413
00414 sent_packets *= 2;
00415 } else {
00416
00417 if (sent_packets > 1) sent_packets /= 2;
00418 }
00419 }
00420 return NETWORK_RECV_STATUS_OKAY;
00421 }
00422
00423 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_JOIN)(NetworkClientSocket *cs, ClientID client_id)
00424 {
00425
00426
00427
00428
00429
00430
00431
00432
00433
00434 Packet *p = new Packet(PACKET_SERVER_JOIN);
00435
00436 p->Send_uint32(client_id);
00437
00438 cs->Send_Packet(p);
00439 return NETWORK_RECV_STATUS_OKAY;
00440 }
00441
00442
00443 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_FRAME)
00444 {
00445
00446
00447
00448
00449
00450
00451
00452
00453
00454
00455
00456 Packet *p = new Packet(PACKET_SERVER_FRAME);
00457 p->Send_uint32(_frame_counter);
00458 p->Send_uint32(_frame_counter_max);
00459 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00460 p->Send_uint32(_sync_seed_1);
00461 #ifdef NETWORK_SEND_DOUBLE_SEED
00462 p->Send_uint32(_sync_seed_2);
00463 #endif
00464 #endif
00465 cs->Send_Packet(p);
00466 return NETWORK_RECV_STATUS_OKAY;
00467 }
00468
00469 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SYNC)
00470 {
00471
00472
00473
00474
00475
00476
00477
00478
00479
00480
00481 Packet *p = new Packet(PACKET_SERVER_SYNC);
00482 p->Send_uint32(_frame_counter);
00483 p->Send_uint32(_sync_seed_1);
00484
00485 #ifdef NETWORK_SEND_DOUBLE_SEED
00486 p->Send_uint32(_sync_seed_2);
00487 #endif
00488 cs->Send_Packet(p);
00489 return NETWORK_RECV_STATUS_OKAY;
00490 }
00491
00492 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMMAND)(NetworkClientSocket *cs, const CommandPacket *cp)
00493 {
00494
00495
00496
00497
00498
00499
00500
00501
00502
00503
00504
00505
00506
00507
00508 Packet *p = new Packet(PACKET_SERVER_COMMAND);
00509
00510 cs->Send_Command(p, cp);
00511 p->Send_uint32(cp->frame);
00512 p->Send_bool (cp->my_cmd);
00513
00514 cs->Send_Packet(p);
00515 return NETWORK_RECV_STATUS_OKAY;
00516 }
00517
00518 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHAT)(NetworkClientSocket *cs, NetworkAction action, ClientID client_id, bool self_send, const char *msg, int64 data)
00519 {
00520
00521
00522
00523
00524
00525
00526
00527
00528
00529
00530 Packet *p = new Packet(PACKET_SERVER_CHAT);
00531
00532 p->Send_uint8 (action);
00533 p->Send_uint32(client_id);
00534 p->Send_bool (self_send);
00535 p->Send_string(msg);
00536 p->Send_uint64(data);
00537
00538 cs->Send_Packet(p);
00539 return NETWORK_RECV_STATUS_OKAY;
00540 }
00541
00542 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR_QUIT)(NetworkClientSocket *cs, ClientID client_id, NetworkErrorCode errorno)
00543 {
00544
00545
00546
00547
00548
00549
00550
00551
00552
00553 Packet *p = new Packet(PACKET_SERVER_ERROR_QUIT);
00554
00555 p->Send_uint32(client_id);
00556 p->Send_uint8 (errorno);
00557
00558 cs->Send_Packet(p);
00559 return NETWORK_RECV_STATUS_OKAY;
00560 }
00561
00562 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_QUIT)(NetworkClientSocket *cs, ClientID client_id)
00563 {
00564
00565
00566
00567
00568
00569
00570
00571
00572 Packet *p = new Packet(PACKET_SERVER_QUIT);
00573
00574 p->Send_uint32(client_id);
00575
00576 cs->Send_Packet(p);
00577 return NETWORK_RECV_STATUS_OKAY;
00578 }
00579
00580 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SHUTDOWN)
00581 {
00582
00583
00584
00585
00586
00587
00588
00589 Packet *p = new Packet(PACKET_SERVER_SHUTDOWN);
00590 cs->Send_Packet(p);
00591 return NETWORK_RECV_STATUS_OKAY;
00592 }
00593
00594 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NEWGAME)
00595 {
00596
00597
00598
00599
00600
00601
00602
00603 Packet *p = new Packet(PACKET_SERVER_NEWGAME);
00604 cs->Send_Packet(p);
00605 return NETWORK_RECV_STATUS_OKAY;
00606 }
00607
00608 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command)
00609 {
00610 Packet *p = new Packet(PACKET_SERVER_RCON);
00611
00612 p->Send_uint16(colour);
00613 p->Send_string(command);
00614 cs->Send_Packet(p);
00615 return NETWORK_RECV_STATUS_OKAY;
00616 }
00617
00618 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, ClientID client_id, CompanyID company_id)
00619 {
00620 Packet *p = new Packet(PACKET_SERVER_MOVE);
00621
00622 p->Send_uint32(client_id);
00623 p->Send_uint8(company_id);
00624 cs->Send_Packet(p);
00625 return NETWORK_RECV_STATUS_OKAY;
00626 }
00627
00628 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMPANY_UPDATE)(NetworkClientSocket *cs)
00629 {
00630 Packet *p = new Packet(PACKET_SERVER_COMPANY_UPDATE);
00631
00632 p->Send_uint16(_network_company_passworded);
00633 cs->Send_Packet(p);
00634 return NETWORK_RECV_STATUS_OKAY;
00635 }
00636
00637 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00638 {
00639 Packet *p = new Packet(PACKET_SERVER_CONFIG_UPDATE);
00640
00641 p->Send_uint8(_settings_client.network.max_companies);
00642 p->Send_uint8(_settings_client.network.max_spectators);
00643 cs->Send_Packet(p);
00644 return NETWORK_RECV_STATUS_OKAY;
00645 }
00646
00647
00648
00649
00650
00651
00652 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00653 {
00654 return SEND_COMMAND(PACKET_SERVER_COMPANY_INFO)(cs);
00655 }
00656
00657 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00658 {
00659 if (cs->status != STATUS_INACTIVE) {
00660
00661 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00662 }
00663
00664 NetworkClientInfo *ci = cs->GetInfo();
00665
00666
00667 if (!StrEmpty(_settings_client.network.server_password)) {
00668 return SEND_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)(cs);
00669 }
00670
00671 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00672 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00673 }
00674
00675 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00676 }
00677
00678 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
00679 {
00680 if (cs->status != STATUS_INACTIVE) {
00681
00682 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00683 }
00684
00685 char name[NETWORK_CLIENT_NAME_LENGTH];
00686 NetworkClientInfo *ci;
00687 CompanyID playas;
00688 NetworkLanguage client_lang;
00689 char client_revision[NETWORK_REVISION_LENGTH];
00690
00691 p->Recv_string(client_revision, sizeof(client_revision));
00692
00693
00694 if (!IsNetworkCompatibleVersion(client_revision)) {
00695
00696 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_REVISION);
00697 }
00698
00699 p->Recv_string(name, sizeof(name));
00700 playas = (Owner)p->Recv_uint8();
00701 client_lang = (NetworkLanguage)p->Recv_uint8();
00702
00703 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00704
00705
00706 switch (playas) {
00707 case COMPANY_NEW_COMPANY:
00708 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00709 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00710 }
00711 break;
00712 case COMPANY_SPECTATOR:
00713 if (NetworkSpectatorCount() >= _settings_client.network.max_spectators) {
00714 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00715 }
00716 break;
00717 default:
00718 if (!Company::IsValidHumanID(playas)) {
00719 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00720 }
00721 break;
00722 }
00723
00724
00725 if (StrEmpty(name)) strecpy(name, "Player", lastof(name));
00726
00727 if (!NetworkFindName(name)) {
00728
00729 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NAME_IN_USE);
00730 }
00731
00732 ci = cs->GetInfo();
00733
00734 strecpy(ci->client_name, name, lastof(ci->client_name));
00735 ci->client_playas = playas;
00736 ci->client_lang = client_lang;
00737 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, ci->index);
00738
00739
00740 if (Company::IsValidID(playas)) _network_company_states[playas].months_empty = 0;
00741
00742 if (_grfconfig == NULL) {
00743 return RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)(cs, NULL);
00744 }
00745
00746 return SEND_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)(cs);
00747 }
00748
00749 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00750 {
00751 if (cs->status != STATUS_AUTH_GAME) {
00752 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00753 }
00754
00755 char password[NETWORK_PASSWORD_LENGTH];
00756 p->Recv_string(password, sizeof(password));
00757
00758
00759 if (!StrEmpty(_settings_client.network.server_password) &&
00760 strcmp(password, _settings_client.network.server_password) != 0) {
00761
00762 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00763 }
00764
00765 const NetworkClientInfo *ci = cs->GetInfo();
00766 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00767 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00768 }
00769
00770
00771 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00772 }
00773
00774 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00775 {
00776 if (cs->status != STATUS_AUTH_COMPANY) {
00777 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00778 }
00779
00780 char password[NETWORK_PASSWORD_LENGTH];
00781 p->Recv_string(password, sizeof(password));
00782
00783
00784
00785
00786 CompanyID playas = cs->GetInfo()->client_playas;
00787 if (Company::IsValidID(playas) && !StrEmpty(_network_company_states[playas].password) &&
00788 strcmp(password, _network_company_states[playas].password) != 0) {
00789
00790 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00791 }
00792
00793 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00794 }
00795
00796 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00797 {
00798 NetworkClientSocket *new_cs;
00799
00800
00801
00802
00803
00804
00805
00806
00807 if (HasBit(_openttd_newgrf_version, 19)) {
00808 if (_openttd_newgrf_version != p->Recv_uint32()) {
00809
00810
00811 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00812 }
00813 } else if (p->size != 3) {
00814
00815
00816 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00817 }
00818
00819
00820
00821 if (cs->status < STATUS_AUTHORIZED || cs->HasClientQuit()) {
00822 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00823 }
00824
00825
00826 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00827 if (new_cs->status == STATUS_MAP) {
00828
00829 cs->status = STATUS_MAP_WAIT;
00830 return SEND_COMMAND(PACKET_SERVER_WAIT)(cs);
00831 }
00832 }
00833
00834
00835 return SEND_COMMAND(PACKET_SERVER_MAP)(cs);
00836 }
00837
00838 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00839 {
00840
00841 if (cs->status == STATUS_DONE_MAP && !cs->HasClientQuit()) {
00842 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00843 NetworkClientSocket *new_cs;
00844
00845 NetworkGetClientName(client_name, sizeof(client_name), cs);
00846
00847 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, client_name, NULL, cs->client_id);
00848
00849
00850
00851 cs->status = STATUS_PRE_ACTIVE;
00852 NetworkHandleCommandQueue(cs);
00853 SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
00854 SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
00855
00856
00857
00858 cs->last_frame = _frame_counter;
00859 cs->last_frame_server = _frame_counter;
00860
00861 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00862 if (new_cs->status > STATUS_AUTHORIZED) {
00863 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(new_cs, cs->GetInfo());
00864 SEND_COMMAND(PACKET_SERVER_JOIN)(new_cs, cs->client_id);
00865 }
00866 }
00867
00868
00869 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
00870
00871
00872 return SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
00873 }
00874
00875
00876 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00877 }
00878
00883 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00884 {
00885 NetworkClientSocket *new_cs;
00886
00887
00888
00889 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00890 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00891 }
00892
00893 CommandPacket cp;
00894 const char *err = cs->Recv_Command(p, &cp);
00895
00896 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00897
00898 NetworkClientInfo *ci = cs->GetInfo();
00899
00900 if (err != NULL) {
00901 IConsolePrintF(CC_ERROR, "WARNING: %s from client %d (IP: %s).", err, ci->client_id, GetClientIP(ci));
00902 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00903 }
00904
00905
00906 if ((GetCommandFlags(cp.cmd) & CMD_SERVER) && ci->client_id != CLIENT_ID_SERVER) {
00907 IConsolePrintF(CC_ERROR, "WARNING: server only command from: client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00908 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00909 }
00910
00911 if ((GetCommandFlags(cp.cmd) & CMD_SPECTATOR) == 0 && !Company::IsValidID(cp.company) && ci->client_id != CLIENT_ID_SERVER) {
00912 IConsolePrintF(CC_ERROR, "WARNING: spectator issueing command from client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00913 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00914 }
00915
00920 if (!(cp.cmd == CMD_COMPANY_CTRL && cp.p1 == 0 && ci->client_playas == COMPANY_NEW_COMPANY) && ci->client_playas != cp.company) {
00921 IConsolePrintF(CC_ERROR, "WARNING: client %d (IP: %s) tried to execute a command as company %d, kicking...",
00922 ci->client_playas + 1, GetClientIP(ci), cp.company + 1);
00923 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00924 }
00925
00931 if (cp.cmd == CMD_COMPANY_CTRL) {
00932 if (cp.p1 != 0 || cp.company != COMPANY_SPECTATOR) {
00933 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
00934 }
00935
00936
00937 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00938 NetworkServerSendChat(NETWORK_ACTION_SERVER_MESSAGE, DESTTYPE_CLIENT, ci->client_id, "cannot create new company, server full", CLIENT_ID_SERVER);
00939 return NETWORK_RECV_STATUS_OKAY;
00940 }
00941
00942 cp.p2 = cs->client_id;
00943 }
00944
00945
00946
00947 cp.frame = _frame_counter_max + 1;
00948 cp.next = NULL;
00949
00950 CommandCallback *callback = cp.callback;
00951
00952
00953
00954 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00955 if (new_cs->status >= STATUS_MAP) {
00956
00957
00958 cp.callback = (new_cs != cs) ? NULL : callback;
00959 cp.my_cmd = (new_cs == cs);
00960 NetworkAddCommandQueue(cp, new_cs);
00961 }
00962 }
00963
00964 cp.callback = NULL;
00965 cp.my_cmd = false;
00966 NetworkAddCommandQueue(cp);
00967 return NETWORK_RECV_STATUS_OKAY;
00968 }
00969
00970 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00971 {
00972
00973
00974 NetworkClientSocket *new_cs;
00975 char str[100];
00976 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00977 NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();
00978
00979
00980 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00981 cs->CloseConnection();
00982 return NETWORK_RECV_STATUS_CONN_LOST;
00983 }
00984
00985 NetworkGetClientName(client_name, sizeof(client_name), cs);
00986
00987 StringID strid = GetNetworkErrorMsg(errorno);
00988 GetString(str, strid, lastof(str));
00989
00990 DEBUG(net, 2, "'%s' reported an error and is closing its connection (%s)", client_name, str);
00991
00992 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
00993
00994 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00995 if (new_cs->status > STATUS_AUTHORIZED) {
00996 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, errorno);
00997 }
00998 }
00999
01000 cs->CloseConnection(false);
01001 return NETWORK_RECV_STATUS_CONN_LOST;
01002 }
01003
01004 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
01005 {
01006
01007
01008 NetworkClientSocket *new_cs;
01009 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01010
01011
01012 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
01013 cs->CloseConnection();
01014 return NETWORK_RECV_STATUS_CONN_LOST;
01015 }
01016
01017 NetworkGetClientName(client_name, sizeof(client_name), cs);
01018
01019 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01020
01021 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01022 if (new_cs->status > STATUS_AUTHORIZED) {
01023 SEND_COMMAND(PACKET_SERVER_QUIT)(new_cs, cs->client_id);
01024 }
01025 }
01026
01027 cs->CloseConnection(false);
01028 return NETWORK_RECV_STATUS_CONN_LOST;
01029 }
01030
01031 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
01032 {
01033 if (cs->status < STATUS_AUTHORIZED) {
01034
01035 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01036 }
01037
01038 uint32 frame = p->Recv_uint32();
01039
01040
01041 if (cs->status == STATUS_PRE_ACTIVE) {
01042
01043 if (frame + DAY_TICKS < _frame_counter) return NETWORK_RECV_STATUS_OKAY;
01044
01045
01046 cs->status = STATUS_ACTIVE;
01047
01048
01049 IConsoleCmdExec("exec scripts/on_server_connect.scr 0");
01050 }
01051
01052
01053 cs->last_frame = frame;
01054
01055 cs->last_frame_server = _frame_counter;
01056 return NETWORK_RECV_STATUS_OKAY;
01057 }
01058
01059
01060
01061 void NetworkServerSendChat(NetworkAction action, DestType desttype, int dest, const char *msg, ClientID from_id, int64 data)
01062 {
01063 NetworkClientSocket *cs;
01064 const NetworkClientInfo *ci, *ci_own, *ci_to;
01065
01066 switch (desttype) {
01067 case DESTTYPE_CLIENT:
01068
01069 if ((ClientID)dest == CLIENT_ID_SERVER) {
01070 ci = NetworkFindClientInfoFromClientID(from_id);
01071
01072 if (ci != NULL)
01073 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01074 } else {
01075
01076 FOR_ALL_CLIENT_SOCKETS(cs) {
01077 if (cs->client_id == (ClientID)dest) {
01078 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01079 break;
01080 }
01081 }
01082 }
01083
01084
01085 if (from_id != (ClientID)dest) {
01086 if (from_id == CLIENT_ID_SERVER) {
01087 ci = NetworkFindClientInfoFromClientID(from_id);
01088 ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
01089 if (ci != NULL && ci_to != NULL)
01090 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
01091 } else {
01092 FOR_ALL_CLIENT_SOCKETS(cs) {
01093 if (cs->client_id == from_id) {
01094 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, (ClientID)dest, true, msg, data);
01095 break;
01096 }
01097 }
01098 }
01099 }
01100 break;
01101 case DESTTYPE_TEAM: {
01102
01103 bool show_local = true;
01104
01105 ci_to = NULL;
01106 FOR_ALL_CLIENT_SOCKETS(cs) {
01107 ci = cs->GetInfo();
01108 if (ci->client_playas == (CompanyID)dest) {
01109 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01110 if (cs->client_id == from_id) show_local = false;
01111 ci_to = ci;
01112 }
01113 }
01114
01115 ci = NetworkFindClientInfoFromClientID(from_id);
01116 ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01117 if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
01118 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01119 if (from_id == CLIENT_ID_SERVER) show_local = false;
01120 ci_to = ci_own;
01121 }
01122
01123
01124 if (ci_to == NULL) break;
01125
01126
01127 if (ci != NULL && show_local) {
01128 if (from_id == CLIENT_ID_SERVER) {
01129 char name[NETWORK_NAME_LENGTH];
01130 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
01131 SetDParam(0, ci_to->client_playas);
01132 GetString(name, str, lastof(name));
01133 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
01134 } else {
01135 FOR_ALL_CLIENT_SOCKETS(cs) {
01136 if (cs->client_id == from_id) {
01137 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, ci_to->client_id, true, msg, data);
01138 }
01139 }
01140 }
01141 }
01142 }
01143 break;
01144 default:
01145 DEBUG(net, 0, "[server] received unknown chat destination type %d. Doing broadcast instead", desttype);
01146
01147 case DESTTYPE_BROADCAST:
01148 FOR_ALL_CLIENT_SOCKETS(cs) {
01149 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01150 }
01151 ci = NetworkFindClientInfoFromClientID(from_id);
01152 if (ci != NULL)
01153 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01154 break;
01155 }
01156 }
01157
01158 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
01159 {
01160 if (cs->status < STATUS_AUTHORIZED) {
01161
01162 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01163 }
01164
01165 NetworkAction action = (NetworkAction)p->Recv_uint8();
01166 DestType desttype = (DestType)p->Recv_uint8();
01167 int dest = p->Recv_uint32();
01168 char msg[NETWORK_CHAT_LENGTH];
01169
01170 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
01171 int64 data = p->Recv_uint64();
01172
01173 NetworkClientInfo *ci = cs->GetInfo();
01174 switch (action) {
01175 case NETWORK_ACTION_GIVE_MONEY:
01176 if (!Company::IsValidID(ci->client_playas)) break;
01177
01178 case NETWORK_ACTION_CHAT:
01179 case NETWORK_ACTION_CHAT_CLIENT:
01180 case NETWORK_ACTION_CHAT_COMPANY:
01181 NetworkServerSendChat(action, desttype, dest, msg, cs->client_id, data);
01182 break;
01183 default:
01184 IConsolePrintF(CC_ERROR, "WARNING: invalid chat action from client %d (IP: %s).", ci->client_id, GetClientIP(ci));
01185 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01186 break;
01187 }
01188 return NETWORK_RECV_STATUS_OKAY;
01189 }
01190
01191 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
01192 {
01193 if (cs->status != STATUS_ACTIVE) {
01194
01195 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01196 }
01197
01198 char password[NETWORK_PASSWORD_LENGTH];
01199 const NetworkClientInfo *ci;
01200
01201 p->Recv_string(password, sizeof(password));
01202 ci = cs->GetInfo();
01203
01204 if (Company::IsValidID(ci->client_playas)) {
01205 strecpy(_network_company_states[ci->client_playas].password, password, lastof(_network_company_states[ci->client_playas].password));
01206 NetworkServerUpdateCompanyPassworded(ci->client_playas, !StrEmpty(_network_company_states[ci->client_playas].password));
01207 }
01208 return NETWORK_RECV_STATUS_OKAY;
01209 }
01210
01211 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
01212 {
01213 if (cs->status != STATUS_ACTIVE) {
01214
01215 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01216 }
01217
01218 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01219 NetworkClientInfo *ci;
01220
01221 p->Recv_string(client_name, sizeof(client_name));
01222 ci = cs->GetInfo();
01223
01224 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
01225
01226 if (ci != NULL) {
01227
01228 if (NetworkFindName(client_name)) {
01229 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name);
01230 strecpy(ci->client_name, client_name, lastof(ci->client_name));
01231 NetworkUpdateClientInfo(ci->client_id);
01232 }
01233 }
01234 return NETWORK_RECV_STATUS_OKAY;
01235 }
01236
01237 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
01238 {
01239 char pass[NETWORK_PASSWORD_LENGTH];
01240 char command[NETWORK_RCONCOMMAND_LENGTH];
01241
01242 if (StrEmpty(_settings_client.network.rcon_password)) return NETWORK_RECV_STATUS_OKAY;
01243
01244 p->Recv_string(pass, sizeof(pass));
01245 p->Recv_string(command, sizeof(command));
01246
01247 if (strcmp(pass, _settings_client.network.rcon_password) != 0) {
01248 DEBUG(net, 0, "[rcon] wrong password from client-id %d", cs->client_id);
01249 return NETWORK_RECV_STATUS_OKAY;
01250 }
01251
01252 DEBUG(net, 0, "[rcon] client-id %d executed: '%s'", cs->client_id, command);
01253
01254 _redirect_console_to_client = cs->client_id;
01255 IConsoleCmdExec(command);
01256 _redirect_console_to_client = INVALID_CLIENT_ID;
01257 return NETWORK_RECV_STATUS_OKAY;
01258 }
01259
01260 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
01261 {
01262 CompanyID company_id = (Owner)p->Recv_uint8();
01263
01264
01265 if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;
01266
01267
01268 if (company_id != COMPANY_SPECTATOR && !StrEmpty(_network_company_states[company_id].password)) {
01269
01270 char password[NETWORK_PASSWORD_LENGTH];
01271 p->Recv_string(password, sizeof(password));
01272
01273
01274 if (strcmp(password, _network_company_states[company_id].password) != 0) {
01275 DEBUG(net, 2, "[move] wrong password from client-id #%d for company #%d", cs->client_id, company_id + 1);
01276 return NETWORK_RECV_STATUS_OKAY;
01277 }
01278 }
01279
01280
01281 NetworkServerDoMove(cs->client_id, company_id);
01282 return NETWORK_RECV_STATUS_OKAY;
01283 }
01284
01285
01286 typedef NetworkRecvStatus NetworkServerPacket(NetworkClientSocket *cs, Packet *p);
01287
01288
01289
01290
01291
01292
01293 static NetworkServerPacket * const _network_server_packet[] = {
01294 NULL,
01295 NULL,
01296 RECEIVE_COMMAND(PACKET_CLIENT_JOIN),
01297 NULL,
01298 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO),
01299 NULL,
01300 NULL,
01301 NULL,
01302 NULL,
01303 RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD),
01304 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD),
01305 NULL,
01306 RECEIVE_COMMAND(PACKET_CLIENT_GETMAP),
01307 NULL,
01308 NULL,
01309 RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK),
01310 NULL,
01311 NULL,
01312 NULL,
01313 RECEIVE_COMMAND(PACKET_CLIENT_ACK),
01314 RECEIVE_COMMAND(PACKET_CLIENT_COMMAND),
01315 NULL,
01316 RECEIVE_COMMAND(PACKET_CLIENT_CHAT),
01317 NULL,
01318 RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD),
01319 RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME),
01320 RECEIVE_COMMAND(PACKET_CLIENT_QUIT),
01321 RECEIVE_COMMAND(PACKET_CLIENT_ERROR),
01322 NULL,
01323 NULL,
01324 NULL,
01325 NULL,
01326 NULL,
01327 RECEIVE_COMMAND(PACKET_CLIENT_RCON),
01328 NULL,
01329 RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED),
01330 NULL,
01331 RECEIVE_COMMAND(PACKET_CLIENT_MOVE),
01332 NULL,
01333 NULL,
01334 };
01335
01336
01337 assert_compile(lengthof(_network_server_packet) == PACKET_END);
01338
01339 void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
01340 {
01341
01342 char company_name[NETWORK_COMPANY_NAME_LENGTH];
01343 SetDParam(0, c->index);
01344 GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
01345
01346
01347 Money income = 0;
01348 if (_cur_year - 1 == c->inaugurated_year) {
01349
01350 for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
01351 income -= c->yearly_expenses[2][i];
01352 }
01353 } else {
01354 for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
01355 income -= c->yearly_expenses[1][i];
01356 }
01357 }
01358
01359
01360 p->Send_uint8 (c->index);
01361 p->Send_string(company_name);
01362 p->Send_uint32(c->inaugurated_year);
01363 p->Send_uint64(c->old_economy[0].company_value);
01364 p->Send_uint64(c->money);
01365 p->Send_uint64(income);
01366 p->Send_uint16(c->old_economy[0].performance_history);
01367
01368
01369 p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
01370
01371 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
01372 p->Send_uint16(stats->num_vehicle[i]);
01373 }
01374
01375 for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
01376 p->Send_uint16(stats->num_station[i]);
01377 }
01378
01379 p->Send_bool(c->is_ai);
01380 }
01381
01386 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats)
01387 {
01388 const Vehicle *v;
01389 const Station *s;
01390
01391 memset(stats, 0, sizeof(*stats) * MAX_COMPANIES);
01392
01393
01394 FOR_ALL_VEHICLES(v) {
01395 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01396 byte type = 0;
01397 switch (v->type) {
01398 case VEH_TRAIN: type = 0; break;
01399 case VEH_ROAD: type = RoadVehicle::From(v)->IsBus() ? 2 : 1; break;
01400 case VEH_AIRCRAFT: type = 3; break;
01401 case VEH_SHIP: type = 4; break;
01402 default: continue;
01403 }
01404 stats[v->owner].num_vehicle[type]++;
01405 }
01406
01407
01408 FOR_ALL_STATIONS(s) {
01409 if (Company::IsValidID(s->owner)) {
01410 NetworkCompanyStats *npi = &stats[s->owner];
01411
01412 if (s->facilities & FACIL_TRAIN) npi->num_station[0]++;
01413 if (s->facilities & FACIL_TRUCK_STOP) npi->num_station[1]++;
01414 if (s->facilities & FACIL_BUS_STOP) npi->num_station[2]++;
01415 if (s->facilities & FACIL_AIRPORT) npi->num_station[3]++;
01416 if (s->facilities & FACIL_DOCK) npi->num_station[4]++;
01417 }
01418 }
01419 }
01420
01421
01422 void NetworkUpdateClientInfo(ClientID client_id)
01423 {
01424 NetworkClientSocket *cs;
01425 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01426
01427 if (ci == NULL) return;
01428
01429 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, client_id);
01430
01431 FOR_ALL_CLIENT_SOCKETS(cs) {
01432 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, ci);
01433 }
01434 }
01435
01436
01437 static void NetworkCheckRestartMap()
01438 {
01439 if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {
01440 DEBUG(net, 0, "Auto-restarting map. Year %d reached", _cur_year);
01441
01442 StartNewGameWithoutGUI(GENERATE_NEW_SEED);
01443 }
01444 }
01445
01446
01447
01448
01449
01450
01451 static void NetworkAutoCleanCompanies()
01452 {
01453 const NetworkClientInfo *ci;
01454 const Company *c;
01455 bool clients_in_company[MAX_COMPANIES];
01456 int vehicles_in_company[MAX_COMPANIES];
01457
01458 if (!_settings_client.network.autoclean_companies) return;
01459
01460 memset(clients_in_company, 0, sizeof(clients_in_company));
01461
01462
01463 FOR_ALL_CLIENT_INFOS(ci) {
01464 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01465 }
01466
01467 if (!_network_dedicated) {
01468 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01469 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01470 }
01471
01472 if (_settings_client.network.autoclean_novehicles != 0) {
01473 memset(vehicles_in_company, 0, sizeof(vehicles_in_company));
01474
01475 const Vehicle *v;
01476 FOR_ALL_VEHICLES(v) {
01477 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01478 vehicles_in_company[v->owner]++;
01479 }
01480 }
01481
01482
01483 FOR_ALL_COMPANIES(c) {
01484
01485 if (c->is_ai) continue;
01486
01487 if (!clients_in_company[c->index]) {
01488
01489 _network_company_states[c->index].months_empty++;
01490
01491
01492 if (_settings_client.network.autoclean_unprotected != 0 && _network_company_states[c->index].months_empty > _settings_client.network.autoclean_unprotected && StrEmpty(_network_company_states[c->index].password)) {
01493
01494 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01495 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no password", c->index + 1);
01496 }
01497
01498 if (_settings_client.network.autoclean_protected != 0 && _network_company_states[c->index].months_empty > _settings_client.network.autoclean_protected && !StrEmpty(_network_company_states[c->index].password)) {
01499
01500 _network_company_states[c->index].password[0] = '\0';
01501 IConsolePrintF(CC_DEFAULT, "Auto-removed protection from company #%d", c->index + 1);
01502 _network_company_states[c->index].months_empty = 0;
01503 NetworkServerUpdateCompanyPassworded(c->index, false);
01504 }
01505
01506 if (_settings_client.network.autoclean_novehicles != 0 && _network_company_states[c->index].months_empty > _settings_client.network.autoclean_novehicles && vehicles_in_company[c->index] == 0) {
01507
01508 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01509 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no vehicles", c->index + 1);
01510 }
01511 } else {
01512
01513 _network_company_states[c->index].months_empty = 0;
01514 }
01515 }
01516 }
01517
01518
01519
01520 bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH])
01521 {
01522 bool found_name = false;
01523 uint number = 0;
01524 char original_name[NETWORK_CLIENT_NAME_LENGTH];
01525
01526
01527 ttd_strlcpy(original_name, new_name, NETWORK_CLIENT_NAME_LENGTH);
01528
01529 while (!found_name) {
01530 const NetworkClientInfo *ci;
01531
01532 found_name = true;
01533 FOR_ALL_CLIENT_INFOS(ci) {
01534 if (strcmp(ci->client_name, new_name) == 0) {
01535
01536 found_name = false;
01537 break;
01538 }
01539 }
01540
01541 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01542 if (ci != NULL) {
01543 if (strcmp(ci->client_name, new_name) == 0) found_name = false;
01544 }
01545
01546 if (!found_name) {
01547
01548
01549
01550 if (number++ > MAX_CLIENTS) break;
01551 snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number);
01552 }
01553 }
01554
01555 return found_name;
01556 }
01557
01564 bool NetworkServerChangeClientName(ClientID client_id, const char *new_name)
01565 {
01566 NetworkClientInfo *ci;
01567
01568 FOR_ALL_CLIENT_INFOS(ci) {
01569 if (strcmp(ci->client_name, new_name) == 0) return false;
01570 }
01571
01572 ci = NetworkFindClientInfoFromClientID(client_id);
01573 if (ci == NULL) return false;
01574
01575 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, true, ci->client_name, new_name);
01576
01577 strecpy(ci->client_name, new_name, lastof(ci->client_name));
01578
01579 NetworkUpdateClientInfo(client_id);
01580 return true;
01581 }
01582
01583
01584 void NetworkServer_ReadPackets(NetworkClientSocket *cs)
01585 {
01586 Packet *p;
01587 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01588
01589 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01590 byte type = p->Recv_uint8();
01591 if (type < PACKET_END && _network_server_packet[type] != NULL && !cs->HasClientQuit()) {
01592 res = _network_server_packet[type](cs, p);
01593 } else {
01594 cs->CloseConnection();
01595 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01596 DEBUG(net, 0, "[server] received invalid packet type %d", type);
01597 }
01598
01599 delete p;
01600 }
01601 }
01602
01603
01604 static void NetworkHandleCommandQueue(NetworkClientSocket *cs)
01605 {
01606 CommandPacket *cp;
01607
01608 while ( (cp = cs->command_queue) != NULL) {
01609 SEND_COMMAND(PACKET_SERVER_COMMAND)(cs, cp);
01610
01611 cs->command_queue = cp->next;
01612 free(cp);
01613 }
01614 }
01615
01616
01617 void NetworkServer_Tick(bool send_frame)
01618 {
01619 NetworkClientSocket *cs;
01620 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01621 bool send_sync = false;
01622 #endif
01623
01624 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01625 if (_frame_counter >= _last_sync_frame + _settings_client.network.sync_freq) {
01626 _last_sync_frame = _frame_counter;
01627 send_sync = true;
01628 }
01629 #endif
01630
01631
01632
01633 FOR_ALL_CLIENT_SOCKETS(cs) {
01634
01635 if (cs->status == STATUS_ACTIVE) {
01636
01637 int lag = NetworkCalculateLag(cs) / DAY_TICKS;
01638 if (lag > 0) {
01639 if (lag > 3) {
01640
01641
01642 IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id);
01643 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01644 continue;
01645 }
01646
01647
01648 if (cs->lag_test == 0) {
01649 IConsolePrintF(CC_WARNING,"[%d] Client #%d is slow, try increasing *net_frame_freq to a higher value!", _frame_counter, cs->client_id);
01650 cs->lag_test = 1;
01651 }
01652 } else {
01653 cs->lag_test = 0;
01654 }
01655 } else if (cs->status == STATUS_PRE_ACTIVE) {
01656 int lag = NetworkCalculateLag(cs);
01657 if (lag > _settings_client.network.max_join_time) {
01658 IConsolePrintF(CC_ERROR,"Client #%d is dropped because it took longer than %d ticks for him to join", cs->client_id, _settings_client.network.max_join_time);
01659 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01660 }
01661 } else if (cs->status == STATUS_INACTIVE) {
01662 int lag = NetworkCalculateLag(cs);
01663 if (lag > 4 * DAY_TICKS) {
01664 IConsolePrintF(CC_ERROR,"Client #%d is dropped because it took longer than %d ticks to start the joining process", cs->client_id, 4 * DAY_TICKS);
01665 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01666 }
01667 }
01668
01669 if (cs->status >= STATUS_PRE_ACTIVE) {
01670
01671 NetworkHandleCommandQueue(cs);
01672
01673
01674 if (send_frame) SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
01675
01676 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01677
01678 if (send_sync) SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
01679 #endif
01680 }
01681 }
01682
01683
01684 NetworkUDPAdvertise();
01685 }
01686
01687 void NetworkServerYearlyLoop()
01688 {
01689 NetworkCheckRestartMap();
01690 }
01691
01692 void NetworkServerMonthlyLoop()
01693 {
01694 NetworkAutoCleanCompanies();
01695 }
01696
01697 const char *GetClientIP(NetworkClientInfo *ci)
01698 {
01699 return ci->client_address.GetHostname();
01700 }
01701
01702 void NetworkServerShowStatusToConsole()
01703 {
01704 static const char * const stat_str[] = {
01705 "inactive",
01706 "authorizing",
01707 "authorized",
01708 "waiting",
01709 "loading map",
01710 "map done",
01711 "ready",
01712 "active"
01713 };
01714
01715 NetworkClientSocket *cs;
01716 FOR_ALL_CLIENT_SOCKETS(cs) {
01717 int lag = NetworkCalculateLag(cs);
01718 NetworkClientInfo *ci = cs->GetInfo();
01719 const char *status;
01720
01721 status = (cs->status < (ptrdiff_t)lengthof(stat_str) ? stat_str[cs->status] : "unknown");
01722 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' status: '%s' frame-lag: %3d company: %1d IP: %s",
01723 cs->client_id, ci->client_name, status, lag,
01724 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01725 GetClientIP(ci));
01726 }
01727 }
01728
01732 void NetworkServerSendConfigUpdate()
01733 {
01734 NetworkClientSocket *cs;
01735
01736 FOR_ALL_CLIENT_SOCKETS(cs) {
01737 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
01738 }
01739 }
01740
01741 void NetworkServerUpdateCompanyPassworded(CompanyID company_id, bool passworded)
01742 {
01743 if (NetworkCompanyIsPassworded(company_id) == passworded) return;
01744
01745 SB(_network_company_passworded, company_id, 1, !!passworded);
01746 SetWindowClassesDirty(WC_COMPANY);
01747
01748 NetworkClientSocket *cs;
01749 FOR_ALL_CLIENT_SOCKETS(cs) {
01750 SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
01751 }
01752 }
01753
01760 void NetworkServerDoMove(ClientID client_id, CompanyID company_id)
01761 {
01762
01763 if (client_id == CLIENT_ID_SERVER && _network_dedicated) return;
01764
01765 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01766
01767
01768 if (ci->client_playas == company_id) return;
01769
01770 ci->client_playas = company_id;
01771
01772 if (client_id == CLIENT_ID_SERVER) {
01773 SetLocalCompany(company_id);
01774 } else {
01775 SEND_COMMAND(PACKET_SERVER_MOVE)(NetworkFindClientStateFromClientID(client_id), client_id, company_id);
01776 }
01777
01778
01779 NetworkUpdateClientInfo(client_id);
01780
01781 NetworkAction action = (company_id == COMPANY_SPECTATOR) ? NETWORK_ACTION_COMPANY_SPECTATOR : NETWORK_ACTION_COMPANY_JOIN;
01782 NetworkServerSendChat(action, DESTTYPE_BROADCAST, 0, "", client_id, company_id + 1);
01783 }
01784
01785 void NetworkServerSendRcon(ClientID client_id, ConsoleColour colour_code, const char *string)
01786 {
01787 SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromClientID(client_id), colour_code, string);
01788 }
01789
01790 void NetworkServerSendError(ClientID client_id, NetworkErrorCode error)
01791 {
01792 SEND_COMMAND(PACKET_SERVER_ERROR)(NetworkFindClientStateFromClientID(client_id), error);
01793 }
01794
01795 void NetworkServerKickClient(ClientID client_id)
01796 {
01797 if (client_id == CLIENT_ID_SERVER) return;
01798 NetworkServerSendError(client_id, NETWORK_ERROR_KICKED);
01799 }
01800
01801 void NetworkServerBanIP(const char *banip)
01802 {
01803 NetworkClientInfo *ci;
01804
01805
01806 FOR_ALL_CLIENT_INFOS(ci) {
01807 if (ci->client_address.IsInNetmask(const_cast<char *>(banip))) {
01808 NetworkServerKickClient(ci->client_id);
01809 }
01810 }
01811
01812
01813 *_network_ban_list.Append() = strdup(banip);
01814 }
01815
01816 bool NetworkCompanyHasClients(CompanyID company)
01817 {
01818 const NetworkClientInfo *ci;
01819 FOR_ALL_CLIENT_INFOS(ci) {
01820 if (ci->client_playas == company) return true;
01821 }
01822 return false;
01823 }
01824
01825 #endif