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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_AUTH) {
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_AUTH && 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_PASSWORD)(NetworkClientSocket *cs, NetworkPasswordType type)
00213 {
00214
00215
00216
00217
00218
00219
00220
00221
00222 if (cs->status >= STATUS_AUTH) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET);
00223
00224 cs->status = STATUS_AUTHORIZING;
00225
00226 Packet *p = new Packet(PACKET_SERVER_NEED_PASSWORD);
00227 p->Send_uint8(type);
00228 p->Send_uint32(_settings_game.game_creation.generation_seed);
00229 p->Send_string(_settings_client.network.network_id);
00230 cs->Send_Packet(p);
00231 return NETWORK_RECV_STATUS_OKAY;
00232 }
00233
00234 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_WELCOME)
00235 {
00236
00237
00238
00239
00240
00241
00242
00243 Packet *p;
00244 NetworkClientSocket *new_cs;
00245
00246
00247 if (cs->status >= STATUS_AUTH) return NetworkCloseClient(cs, NETWORK_RECV_STATUS_MALFORMED_PACKET);
00248
00249 cs->status = STATUS_AUTH;
00250 _network_game_info.clients_on++;
00251
00252 p = new Packet(PACKET_SERVER_WELCOME);
00253 p->Send_uint32(cs->client_id);
00254 p->Send_uint32(_settings_game.game_creation.generation_seed);
00255 p->Send_string(_settings_client.network.network_id);
00256 cs->Send_Packet(p);
00257
00258
00259 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00260 if (new_cs != cs && new_cs->status > STATUS_AUTH)
00261 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, new_cs->GetInfo());
00262 }
00263
00264 return SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER));
00265 }
00266
00267 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_WAIT)
00268 {
00269
00270
00271
00272
00273
00274
00275
00276 int waiting = 0;
00277 NetworkClientSocket *new_cs;
00278 Packet *p;
00279
00280
00281 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00282 if (new_cs->status == STATUS_MAP_WAIT) waiting++;
00283 }
00284
00285 p = new Packet(PACKET_SERVER_WAIT);
00286 p->Send_uint8(waiting);
00287 cs->Send_Packet(p);
00288 return NETWORK_RECV_STATUS_OKAY;
00289 }
00290
00291
00292 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_MAP)
00293 {
00294
00295
00296
00297
00298
00299
00300
00301
00302
00303
00304
00305
00306
00307
00308 static FILE *file_pointer;
00309 static uint sent_packets;
00310
00311 if (cs->status < STATUS_AUTH) {
00312
00313 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00314 }
00315
00316 if (cs->status == STATUS_AUTH) {
00317 const char *filename = "network_server.tmp";
00318 Packet *p;
00319
00320
00321 if (SaveOrLoad(filename, SL_SAVE, AUTOSAVE_DIR) != SL_OK) usererror("network savedump failed");
00322
00323 file_pointer = FioFOpenFile(filename, "rb", AUTOSAVE_DIR);
00324 fseek(file_pointer, 0, SEEK_END);
00325
00326 if (ftell(file_pointer) == 0) usererror("network savedump failed - zero sized savegame?");
00327
00328
00329 p = new Packet(PACKET_SERVER_MAP);
00330 p->Send_uint8 (MAP_PACKET_START);
00331 p->Send_uint32(_frame_counter);
00332 p->Send_uint32(ftell(file_pointer));
00333 cs->Send_Packet(p);
00334
00335 fseek(file_pointer, 0, SEEK_SET);
00336
00337 sent_packets = 4;
00338
00339 cs->status = STATUS_MAP;
00340
00341 cs->last_frame = _frame_counter;
00342 cs->last_frame_server = _frame_counter;
00343 }
00344
00345 if (cs->status == STATUS_MAP) {
00346 uint i;
00347 int res;
00348 for (i = 0; i < sent_packets; i++) {
00349 Packet *p = new Packet(PACKET_SERVER_MAP);
00350 p->Send_uint8(MAP_PACKET_NORMAL);
00351 res = (int)fread(p->buffer + p->size, 1, SEND_MTU - p->size, file_pointer);
00352
00353 if (ferror(file_pointer)) usererror("Error reading temporary network savegame!");
00354
00355 p->size += res;
00356 cs->Send_Packet(p);
00357 if (feof(file_pointer)) {
00358
00359 Packet *p = new Packet(PACKET_SERVER_MAP);
00360 p->Send_uint8(MAP_PACKET_END);
00361 cs->Send_Packet(p);
00362
00363
00364
00365 cs->status = STATUS_DONE_MAP;
00366 fclose(file_pointer);
00367
00368 NetworkClientSocket *new_cs;
00369 bool new_map_client = false;
00370
00371
00372 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00373 if (new_cs->status == STATUS_MAP_WAIT) {
00374
00375 if (!new_map_client) {
00376
00377 new_cs->status = STATUS_AUTH;
00378 new_map_client = true;
00379 SEND_COMMAND(PACKET_SERVER_MAP)(new_cs);
00380 } else {
00381
00382 SEND_COMMAND(PACKET_SERVER_WAIT)(new_cs);
00383 }
00384 }
00385 }
00386
00387
00388 break;
00389 }
00390 }
00391
00392
00393 cs->Send_Packets();
00394 if (cs->IsPacketQueueEmpty()) {
00395
00396 sent_packets *= 2;
00397 } else {
00398
00399 if (sent_packets > 1) sent_packets /= 2;
00400 }
00401 }
00402 return NETWORK_RECV_STATUS_OKAY;
00403 }
00404
00405 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_JOIN)(NetworkClientSocket *cs, ClientID client_id)
00406 {
00407
00408
00409
00410
00411
00412
00413
00414
00415
00416 Packet *p = new Packet(PACKET_SERVER_JOIN);
00417
00418 p->Send_uint32(client_id);
00419
00420 cs->Send_Packet(p);
00421 return NETWORK_RECV_STATUS_OKAY;
00422 }
00423
00424
00425 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_FRAME)
00426 {
00427
00428
00429
00430
00431
00432
00433
00434
00435
00436
00437
00438 Packet *p = new Packet(PACKET_SERVER_FRAME);
00439 p->Send_uint32(_frame_counter);
00440 p->Send_uint32(_frame_counter_max);
00441 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00442 p->Send_uint32(_sync_seed_1);
00443 #ifdef NETWORK_SEND_DOUBLE_SEED
00444 p->Send_uint32(_sync_seed_2);
00445 #endif
00446 #endif
00447 cs->Send_Packet(p);
00448 return NETWORK_RECV_STATUS_OKAY;
00449 }
00450
00451 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SYNC)
00452 {
00453
00454
00455
00456
00457
00458
00459
00460
00461
00462
00463 Packet *p = new Packet(PACKET_SERVER_SYNC);
00464 p->Send_uint32(_frame_counter);
00465 p->Send_uint32(_sync_seed_1);
00466
00467 #ifdef NETWORK_SEND_DOUBLE_SEED
00468 p->Send_uint32(_sync_seed_2);
00469 #endif
00470 cs->Send_Packet(p);
00471 return NETWORK_RECV_STATUS_OKAY;
00472 }
00473
00474 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMMAND)(NetworkClientSocket *cs, const CommandPacket *cp)
00475 {
00476
00477
00478
00479
00480
00481
00482
00483
00484
00485
00486
00487
00488
00489
00490 Packet *p = new Packet(PACKET_SERVER_COMMAND);
00491
00492 cs->Send_Command(p, cp);
00493 p->Send_uint32(cp->frame);
00494 p->Send_bool (cp->my_cmd);
00495
00496 cs->Send_Packet(p);
00497 return NETWORK_RECV_STATUS_OKAY;
00498 }
00499
00500 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHAT)(NetworkClientSocket *cs, NetworkAction action, ClientID client_id, bool self_send, const char *msg, int64 data)
00501 {
00502
00503
00504
00505
00506
00507
00508
00509
00510
00511
00512 Packet *p = new Packet(PACKET_SERVER_CHAT);
00513
00514 p->Send_uint8 (action);
00515 p->Send_uint32(client_id);
00516 p->Send_bool (self_send);
00517 p->Send_string(msg);
00518 p->Send_uint64(data);
00519
00520 cs->Send_Packet(p);
00521 return NETWORK_RECV_STATUS_OKAY;
00522 }
00523
00524 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR_QUIT)(NetworkClientSocket *cs, ClientID client_id, NetworkErrorCode errorno)
00525 {
00526
00527
00528
00529
00530
00531
00532
00533
00534
00535 Packet *p = new Packet(PACKET_SERVER_ERROR_QUIT);
00536
00537 p->Send_uint32(client_id);
00538 p->Send_uint8 (errorno);
00539
00540 cs->Send_Packet(p);
00541 return NETWORK_RECV_STATUS_OKAY;
00542 }
00543
00544 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_QUIT)(NetworkClientSocket *cs, ClientID client_id)
00545 {
00546
00547
00548
00549
00550
00551
00552
00553
00554 Packet *p = new Packet(PACKET_SERVER_QUIT);
00555
00556 p->Send_uint32(client_id);
00557
00558 cs->Send_Packet(p);
00559 return NETWORK_RECV_STATUS_OKAY;
00560 }
00561
00562 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SHUTDOWN)
00563 {
00564
00565
00566
00567
00568
00569
00570
00571 Packet *p = new Packet(PACKET_SERVER_SHUTDOWN);
00572 cs->Send_Packet(p);
00573 return NETWORK_RECV_STATUS_OKAY;
00574 }
00575
00576 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NEWGAME)
00577 {
00578
00579
00580
00581
00582
00583
00584
00585 Packet *p = new Packet(PACKET_SERVER_NEWGAME);
00586 cs->Send_Packet(p);
00587 return NETWORK_RECV_STATUS_OKAY;
00588 }
00589
00590 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command)
00591 {
00592 Packet *p = new Packet(PACKET_SERVER_RCON);
00593
00594 p->Send_uint16(colour);
00595 p->Send_string(command);
00596 cs->Send_Packet(p);
00597 return NETWORK_RECV_STATUS_OKAY;
00598 }
00599
00600 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, ClientID client_id, CompanyID company_id)
00601 {
00602 Packet *p = new Packet(PACKET_SERVER_MOVE);
00603
00604 p->Send_uint32(client_id);
00605 p->Send_uint8(company_id);
00606 cs->Send_Packet(p);
00607 return NETWORK_RECV_STATUS_OKAY;
00608 }
00609
00610 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMPANY_UPDATE)(NetworkClientSocket *cs)
00611 {
00612 Packet *p = new Packet(PACKET_SERVER_COMPANY_UPDATE);
00613
00614 p->Send_uint16(_network_company_passworded);
00615 cs->Send_Packet(p);
00616 return NETWORK_RECV_STATUS_OKAY;
00617 }
00618
00619 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00620 {
00621 Packet *p = new Packet(PACKET_SERVER_CONFIG_UPDATE);
00622
00623 p->Send_uint8(_settings_client.network.max_companies);
00624 p->Send_uint8(_settings_client.network.max_spectators);
00625 cs->Send_Packet(p);
00626 return NETWORK_RECV_STATUS_OKAY;
00627 }
00628
00629
00630
00631
00632
00633
00634 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00635 {
00636 return SEND_COMMAND(PACKET_SERVER_COMPANY_INFO)(cs);
00637 }
00638
00639 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00640 {
00641 if (cs->status != STATUS_INACTIVE) {
00642
00643 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00644 }
00645
00646 NetworkClientInfo *ci = cs->GetInfo();
00647
00648
00649 if (!StrEmpty(_settings_client.network.server_password)) {
00650 return SEND_COMMAND(PACKET_SERVER_NEED_PASSWORD)(cs, NETWORK_GAME_PASSWORD);
00651 }
00652
00653 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00654 return SEND_COMMAND(PACKET_SERVER_NEED_PASSWORD)(cs, NETWORK_COMPANY_PASSWORD);
00655 }
00656
00657 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00658 }
00659
00660 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
00661 {
00662 if (cs->status != STATUS_INACTIVE) {
00663
00664 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00665 }
00666
00667 char name[NETWORK_CLIENT_NAME_LENGTH];
00668 NetworkClientInfo *ci;
00669 CompanyID playas;
00670 NetworkLanguage client_lang;
00671 char client_revision[NETWORK_REVISION_LENGTH];
00672
00673 p->Recv_string(client_revision, sizeof(client_revision));
00674
00675
00676 if (!IsNetworkCompatibleVersion(client_revision)) {
00677
00678 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_REVISION);
00679 }
00680
00681 p->Recv_string(name, sizeof(name));
00682 playas = (Owner)p->Recv_uint8();
00683 client_lang = (NetworkLanguage)p->Recv_uint8();
00684
00685 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00686
00687
00688 switch (playas) {
00689 case COMPANY_NEW_COMPANY:
00690 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00691 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00692 }
00693 break;
00694 case COMPANY_SPECTATOR:
00695 if (NetworkSpectatorCount() >= _settings_client.network.max_spectators) {
00696 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00697 }
00698 break;
00699 default:
00700 if (!Company::IsValidHumanID(playas)) {
00701 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00702 }
00703 break;
00704 }
00705
00706
00707 if (StrEmpty(name)) strecpy(name, "Player", lastof(name));
00708
00709 if (!NetworkFindName(name)) {
00710
00711 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NAME_IN_USE);
00712 }
00713
00714 ci = cs->GetInfo();
00715
00716 strecpy(ci->client_name, name, lastof(ci->client_name));
00717 ci->client_playas = playas;
00718 ci->client_lang = client_lang;
00719
00720
00721 if (Company::IsValidID(playas)) _network_company_states[playas].months_empty = 0;
00722
00723 if (_grfconfig == NULL) {
00724 return RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)(cs, NULL);
00725 }
00726
00727 return SEND_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)(cs);
00728 }
00729
00730 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_PASSWORD)
00731 {
00732 NetworkPasswordType type;
00733 char password[NETWORK_PASSWORD_LENGTH];
00734 const NetworkClientInfo *ci;
00735
00736 type = (NetworkPasswordType)p->Recv_uint8();
00737 p->Recv_string(password, sizeof(password));
00738
00739 if (cs->status == STATUS_AUTHORIZING && type == NETWORK_GAME_PASSWORD) {
00740
00741 if (strcmp(password, _settings_client.network.server_password) != 0) {
00742
00743 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00744 }
00745
00746 ci = cs->GetInfo();
00747
00748 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00749 return SEND_COMMAND(PACKET_SERVER_NEED_PASSWORD)(cs, NETWORK_COMPANY_PASSWORD);
00750 }
00751
00752
00753 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00754 } else if (cs->status == STATUS_AUTHORIZING && type == NETWORK_COMPANY_PASSWORD) {
00755 ci = cs->GetInfo();
00756
00757 if (strcmp(password, _network_company_states[ci->client_playas].password) != 0) {
00758
00759 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00760 }
00761
00762 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00763 }
00764
00765 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00766 }
00767
00768 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00769 {
00770 NetworkClientSocket *new_cs;
00771
00772
00773
00774
00775
00776
00777
00778
00779 if (HasBit(_openttd_newgrf_version, 19)) {
00780 if (_openttd_newgrf_version != p->Recv_uint32()) {
00781
00782
00783 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00784 }
00785 } else if (p->size != 3) {
00786
00787
00788 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00789 }
00790
00791
00792
00793 if (cs->status < STATUS_AUTH || cs->HasClientQuit()) {
00794 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00795 }
00796
00797
00798 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00799 if (new_cs->status == STATUS_MAP) {
00800
00801 cs->status = STATUS_MAP_WAIT;
00802 return SEND_COMMAND(PACKET_SERVER_WAIT)(cs);
00803 }
00804 }
00805
00806
00807 return SEND_COMMAND(PACKET_SERVER_MAP)(cs);
00808 }
00809
00810 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00811 {
00812
00813 if (cs->status == STATUS_DONE_MAP && !cs->HasClientQuit()) {
00814 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00815 NetworkClientSocket *new_cs;
00816
00817 NetworkGetClientName(client_name, sizeof(client_name), cs);
00818
00819 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, client_name, NULL, cs->client_id);
00820
00821
00822
00823 cs->status = STATUS_PRE_ACTIVE;
00824 NetworkHandleCommandQueue(cs);
00825 SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
00826 SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
00827
00828
00829
00830 cs->last_frame = _frame_counter;
00831 cs->last_frame_server = _frame_counter;
00832
00833 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00834 if (new_cs->status > STATUS_AUTH) {
00835 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(new_cs, cs->GetInfo());
00836 SEND_COMMAND(PACKET_SERVER_JOIN)(new_cs, cs->client_id);
00837 }
00838 }
00839
00840
00841 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
00842
00843
00844 return SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
00845 }
00846
00847
00848 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00849 }
00850
00855 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00856 {
00857 NetworkClientSocket *new_cs;
00858
00859
00860
00861 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00862 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00863 }
00864
00865 CommandPacket cp;
00866 const char *err = cs->Recv_Command(p, &cp);
00867
00868 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00869
00870 NetworkClientInfo *ci = cs->GetInfo();
00871
00872 if (err != NULL) {
00873 IConsolePrintF(CC_ERROR, "WARNING: %s from client %d (IP: %s).", err, ci->client_id, GetClientIP(ci));
00874 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00875 }
00876
00877
00878 if ((GetCommandFlags(cp.cmd) & CMD_SERVER) && ci->client_id != CLIENT_ID_SERVER) {
00879 IConsolePrintF(CC_ERROR, "WARNING: server only command from: client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00880 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00881 }
00882
00883 if ((GetCommandFlags(cp.cmd) & CMD_SPECTATOR) == 0 && !Company::IsValidID(cp.company) && ci->client_id != CLIENT_ID_SERVER) {
00884 IConsolePrintF(CC_ERROR, "WARNING: spectator issueing command from client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00885 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00886 }
00887
00892 if (!(cp.cmd == CMD_COMPANY_CTRL && cp.p1 == 0 && ci->client_playas == COMPANY_NEW_COMPANY) && ci->client_playas != cp.company) {
00893 IConsolePrintF(CC_ERROR, "WARNING: client %d (IP: %s) tried to execute a command as company %d, kicking...",
00894 ci->client_playas + 1, GetClientIP(ci), cp.company + 1);
00895 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00896 }
00897
00903 if (cp.cmd == CMD_COMPANY_CTRL) {
00904 if (cp.p1 != 0 || cp.company != COMPANY_SPECTATOR) {
00905 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
00906 }
00907
00908
00909 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00910 NetworkServerSendChat(NETWORK_ACTION_SERVER_MESSAGE, DESTTYPE_CLIENT, ci->client_id, "cannot create new company, server full", CLIENT_ID_SERVER);
00911 return NETWORK_RECV_STATUS_OKAY;
00912 }
00913
00914 cp.p2 = cs->client_id;
00915 }
00916
00917
00918
00919 cp.frame = _frame_counter_max + 1;
00920 cp.next = NULL;
00921
00922 CommandCallback *callback = cp.callback;
00923
00924
00925
00926 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00927 if (new_cs->status >= STATUS_MAP) {
00928
00929
00930 cp.callback = (new_cs != cs) ? NULL : callback;
00931 cp.my_cmd = (new_cs == cs);
00932 NetworkAddCommandQueue(cp, new_cs);
00933 }
00934 }
00935
00936 cp.callback = NULL;
00937 cp.my_cmd = false;
00938 NetworkAddCommandQueue(cp);
00939 return NETWORK_RECV_STATUS_OKAY;
00940 }
00941
00942 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00943 {
00944
00945
00946 NetworkClientSocket *new_cs;
00947 char str[100];
00948 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00949 NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();
00950
00951
00952 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00953 cs->CloseConnection();
00954 return NETWORK_RECV_STATUS_CONN_LOST;
00955 }
00956
00957 NetworkGetClientName(client_name, sizeof(client_name), cs);
00958
00959 StringID strid = GetNetworkErrorMsg(errorno);
00960 GetString(str, strid, lastof(str));
00961
00962 DEBUG(net, 2, "'%s' reported an error and is closing its connection (%s)", client_name, str);
00963
00964 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
00965
00966 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00967 if (new_cs->status > STATUS_AUTH) {
00968 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, errorno);
00969 }
00970 }
00971
00972 cs->CloseConnection(false);
00973 return NETWORK_RECV_STATUS_CONN_LOST;
00974 }
00975
00976 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
00977 {
00978
00979
00980 NetworkClientSocket *new_cs;
00981 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00982
00983
00984 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00985 cs->CloseConnection();
00986 return NETWORK_RECV_STATUS_CONN_LOST;
00987 }
00988
00989 NetworkGetClientName(client_name, sizeof(client_name), cs);
00990
00991 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00992
00993 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00994 if (new_cs->status > STATUS_AUTH) {
00995 SEND_COMMAND(PACKET_SERVER_QUIT)(new_cs, cs->client_id);
00996 }
00997 }
00998
00999 cs->CloseConnection(false);
01000 return NETWORK_RECV_STATUS_CONN_LOST;
01001 }
01002
01003 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
01004 {
01005 if (cs->status < STATUS_AUTH) {
01006
01007 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01008 }
01009
01010 uint32 frame = p->Recv_uint32();
01011
01012
01013 if (cs->status == STATUS_PRE_ACTIVE) {
01014
01015 if (frame + DAY_TICKS < _frame_counter) return NETWORK_RECV_STATUS_OKAY;
01016
01017
01018 cs->status = STATUS_ACTIVE;
01019
01020
01021 IConsoleCmdExec("exec scripts/on_server_connect.scr 0");
01022 }
01023
01024
01025 cs->last_frame = frame;
01026
01027 cs->last_frame_server = _frame_counter;
01028 return NETWORK_RECV_STATUS_OKAY;
01029 }
01030
01031
01032
01033 void NetworkServerSendChat(NetworkAction action, DestType desttype, int dest, const char *msg, ClientID from_id, int64 data)
01034 {
01035 NetworkClientSocket *cs;
01036 const NetworkClientInfo *ci, *ci_own, *ci_to;
01037
01038 switch (desttype) {
01039 case DESTTYPE_CLIENT:
01040
01041 if ((ClientID)dest == CLIENT_ID_SERVER) {
01042 ci = NetworkFindClientInfoFromClientID(from_id);
01043
01044 if (ci != NULL)
01045 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01046 } else {
01047
01048 FOR_ALL_CLIENT_SOCKETS(cs) {
01049 if (cs->client_id == (ClientID)dest) {
01050 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01051 break;
01052 }
01053 }
01054 }
01055
01056
01057 if (from_id != (ClientID)dest) {
01058 if (from_id == CLIENT_ID_SERVER) {
01059 ci = NetworkFindClientInfoFromClientID(from_id);
01060 ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
01061 if (ci != NULL && ci_to != NULL)
01062 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
01063 } else {
01064 FOR_ALL_CLIENT_SOCKETS(cs) {
01065 if (cs->client_id == from_id) {
01066 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, (ClientID)dest, true, msg, data);
01067 break;
01068 }
01069 }
01070 }
01071 }
01072 break;
01073 case DESTTYPE_TEAM: {
01074 bool show_local = true;
01075
01076
01077 ci_to = NULL;
01078 FOR_ALL_CLIENT_SOCKETS(cs) {
01079 ci = cs->GetInfo();
01080 if (ci->client_playas == (CompanyID)dest) {
01081 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01082 if (cs->client_id == from_id) show_local = false;
01083 ci_to = ci;
01084 }
01085 }
01086
01087 ci = NetworkFindClientInfoFromClientID(from_id);
01088 ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01089 if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
01090 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01091 if (from_id == CLIENT_ID_SERVER) show_local = false;
01092 ci_to = ci_own;
01093 }
01094
01095
01096 if (ci_to == NULL) break;
01097
01098
01099 if (ci != NULL && show_local) {
01100 if (from_id == CLIENT_ID_SERVER) {
01101 char name[NETWORK_NAME_LENGTH];
01102 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
01103 SetDParam(0, ci_to->client_playas);
01104 GetString(name, str, lastof(name));
01105 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
01106 } else {
01107 FOR_ALL_CLIENT_SOCKETS(cs) {
01108 if (cs->client_id == from_id) {
01109 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, ci_to->client_id, true, msg, data);
01110 }
01111 }
01112 }
01113 }
01114 }
01115 break;
01116 default:
01117 DEBUG(net, 0, "[server] received unknown chat destination type %d. Doing broadcast instead", desttype);
01118
01119 case DESTTYPE_BROADCAST:
01120 FOR_ALL_CLIENT_SOCKETS(cs) {
01121 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01122 }
01123 ci = NetworkFindClientInfoFromClientID(from_id);
01124 if (ci != NULL)
01125 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01126 break;
01127 }
01128 }
01129
01130 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
01131 {
01132 if (cs->status < STATUS_AUTH) {
01133
01134 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01135 }
01136
01137 NetworkAction action = (NetworkAction)p->Recv_uint8();
01138 DestType desttype = (DestType)p->Recv_uint8();
01139 int dest = p->Recv_uint32();
01140 char msg[NETWORK_CHAT_LENGTH];
01141
01142 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
01143 int64 data = p->Recv_uint64();
01144
01145 NetworkClientInfo *ci = cs->GetInfo();
01146 switch (action) {
01147 case NETWORK_ACTION_GIVE_MONEY:
01148 if (!Company::IsValidID(ci->client_playas)) break;
01149
01150 case NETWORK_ACTION_CHAT:
01151 case NETWORK_ACTION_CHAT_CLIENT:
01152 case NETWORK_ACTION_CHAT_COMPANY:
01153 NetworkServerSendChat(action, desttype, dest, msg, cs->client_id, data);
01154 break;
01155 default:
01156 IConsolePrintF(CC_ERROR, "WARNING: invalid chat action from client %d (IP: %s).", ci->client_id, GetClientIP(ci));
01157 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01158 break;
01159 }
01160 return NETWORK_RECV_STATUS_OKAY;
01161 }
01162
01163 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
01164 {
01165 if (cs->status != STATUS_ACTIVE) {
01166
01167 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01168 }
01169
01170 char password[NETWORK_PASSWORD_LENGTH];
01171 const NetworkClientInfo *ci;
01172
01173 p->Recv_string(password, sizeof(password));
01174 ci = cs->GetInfo();
01175
01176 if (Company::IsValidID(ci->client_playas)) {
01177 strecpy(_network_company_states[ci->client_playas].password, password, lastof(_network_company_states[ci->client_playas].password));
01178 NetworkServerUpdateCompanyPassworded(ci->client_playas, !StrEmpty(_network_company_states[ci->client_playas].password));
01179 }
01180 return NETWORK_RECV_STATUS_OKAY;
01181 }
01182
01183 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
01184 {
01185 if (cs->status != STATUS_ACTIVE) {
01186
01187 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01188 }
01189
01190 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01191 NetworkClientInfo *ci;
01192
01193 p->Recv_string(client_name, sizeof(client_name));
01194 ci = cs->GetInfo();
01195
01196 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
01197
01198 if (ci != NULL) {
01199
01200 if (NetworkFindName(client_name)) {
01201 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name);
01202 strecpy(ci->client_name, client_name, lastof(ci->client_name));
01203 NetworkUpdateClientInfo(ci->client_id);
01204 }
01205 }
01206 return NETWORK_RECV_STATUS_OKAY;
01207 }
01208
01209 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
01210 {
01211 char pass[NETWORK_PASSWORD_LENGTH];
01212 char command[NETWORK_RCONCOMMAND_LENGTH];
01213
01214 if (StrEmpty(_settings_client.network.rcon_password)) return NETWORK_RECV_STATUS_OKAY;
01215
01216 p->Recv_string(pass, sizeof(pass));
01217 p->Recv_string(command, sizeof(command));
01218
01219 if (strcmp(pass, _settings_client.network.rcon_password) != 0) {
01220 DEBUG(net, 0, "[rcon] wrong password from client-id %d", cs->client_id);
01221 return NETWORK_RECV_STATUS_OKAY;
01222 }
01223
01224 DEBUG(net, 0, "[rcon] client-id %d executed: '%s'", cs->client_id, command);
01225
01226 _redirect_console_to_client = cs->client_id;
01227 IConsoleCmdExec(command);
01228 _redirect_console_to_client = INVALID_CLIENT_ID;
01229 return NETWORK_RECV_STATUS_OKAY;
01230 }
01231
01232 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
01233 {
01234 CompanyID company_id = (Owner)p->Recv_uint8();
01235
01236
01237 if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;
01238
01239
01240 if (company_id != COMPANY_SPECTATOR && !StrEmpty(_network_company_states[company_id].password)) {
01241
01242 char password[NETWORK_PASSWORD_LENGTH];
01243 p->Recv_string(password, sizeof(password));
01244
01245
01246 if (strcmp(password, _network_company_states[company_id].password) != 0) {
01247 DEBUG(net, 2, "[move] wrong password from client-id #%d for company #%d", cs->client_id, company_id + 1);
01248 return NETWORK_RECV_STATUS_OKAY;
01249 }
01250 }
01251
01252
01253 NetworkServerDoMove(cs->client_id, company_id);
01254 return NETWORK_RECV_STATUS_OKAY;
01255 }
01256
01257
01258 typedef NetworkRecvStatus NetworkServerPacket(NetworkClientSocket *cs, Packet *p);
01259
01260
01261
01262
01263
01264
01265 static NetworkServerPacket * const _network_server_packet[] = {
01266 NULL,
01267 NULL,
01268 RECEIVE_COMMAND(PACKET_CLIENT_JOIN),
01269 NULL,
01270 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO),
01271 NULL,
01272 NULL,
01273 NULL,
01274 RECEIVE_COMMAND(PACKET_CLIENT_PASSWORD),
01275 NULL,
01276 RECEIVE_COMMAND(PACKET_CLIENT_GETMAP),
01277 NULL,
01278 NULL,
01279 RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK),
01280 NULL,
01281 NULL,
01282 NULL,
01283 RECEIVE_COMMAND(PACKET_CLIENT_ACK),
01284 RECEIVE_COMMAND(PACKET_CLIENT_COMMAND),
01285 NULL,
01286 RECEIVE_COMMAND(PACKET_CLIENT_CHAT),
01287 NULL,
01288 RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD),
01289 RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME),
01290 RECEIVE_COMMAND(PACKET_CLIENT_QUIT),
01291 RECEIVE_COMMAND(PACKET_CLIENT_ERROR),
01292 NULL,
01293 NULL,
01294 NULL,
01295 NULL,
01296 NULL,
01297 RECEIVE_COMMAND(PACKET_CLIENT_RCON),
01298 NULL,
01299 RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED),
01300 NULL,
01301 RECEIVE_COMMAND(PACKET_CLIENT_MOVE),
01302 NULL,
01303 NULL,
01304 };
01305
01306
01307 assert_compile(lengthof(_network_server_packet) == PACKET_END);
01308
01309 void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
01310 {
01311
01312 char company_name[NETWORK_COMPANY_NAME_LENGTH];
01313 SetDParam(0, c->index);
01314 GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
01315
01316
01317 Money income = 0;
01318 if (_cur_year - 1 == c->inaugurated_year) {
01319
01320 for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
01321 income -= c->yearly_expenses[2][i];
01322 }
01323 } else {
01324 for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
01325 income -= c->yearly_expenses[1][i];
01326 }
01327 }
01328
01329
01330 p->Send_uint8 (c->index);
01331 p->Send_string(company_name);
01332 p->Send_uint32(c->inaugurated_year);
01333 p->Send_uint64(c->old_economy[0].company_value);
01334 p->Send_uint64(c->money);
01335 p->Send_uint64(income);
01336 p->Send_uint16(c->old_economy[0].performance_history);
01337
01338
01339 p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
01340
01341 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
01342 p->Send_uint16(stats->num_vehicle[i]);
01343 }
01344
01345 for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
01346 p->Send_uint16(stats->num_station[i]);
01347 }
01348
01349 p->Send_bool(c->is_ai);
01350 }
01351
01356 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats)
01357 {
01358 const Vehicle *v;
01359 const Station *s;
01360
01361 memset(stats, 0, sizeof(*stats) * MAX_COMPANIES);
01362
01363
01364 FOR_ALL_VEHICLES(v) {
01365 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01366 byte type = 0;
01367 switch (v->type) {
01368 case VEH_TRAIN: type = 0; break;
01369 case VEH_ROAD: type = RoadVehicle::From(v)->IsBus() ? 2 : 1; break;
01370 case VEH_AIRCRAFT: type = 3; break;
01371 case VEH_SHIP: type = 4; break;
01372 default: continue;
01373 }
01374 stats[v->owner].num_vehicle[type]++;
01375 }
01376
01377
01378 FOR_ALL_STATIONS(s) {
01379 if (Company::IsValidID(s->owner)) {
01380 NetworkCompanyStats *npi = &stats[s->owner];
01381
01382 if (s->facilities & FACIL_TRAIN) npi->num_station[0]++;
01383 if (s->facilities & FACIL_TRUCK_STOP) npi->num_station[1]++;
01384 if (s->facilities & FACIL_BUS_STOP) npi->num_station[2]++;
01385 if (s->facilities & FACIL_AIRPORT) npi->num_station[3]++;
01386 if (s->facilities & FACIL_DOCK) npi->num_station[4]++;
01387 }
01388 }
01389 }
01390
01391
01392 void NetworkUpdateClientInfo(ClientID client_id)
01393 {
01394 NetworkClientSocket *cs;
01395 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01396
01397 if (ci == NULL) return;
01398
01399 FOR_ALL_CLIENT_SOCKETS(cs) {
01400 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, ci);
01401 }
01402 }
01403
01404
01405 static void NetworkCheckRestartMap()
01406 {
01407 if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {
01408 DEBUG(net, 0, "Auto-restarting map. Year %d reached", _cur_year);
01409
01410 StartNewGameWithoutGUI(GENERATE_NEW_SEED);
01411 }
01412 }
01413
01414
01415
01416
01417
01418
01419 static void NetworkAutoCleanCompanies()
01420 {
01421 const NetworkClientInfo *ci;
01422 const Company *c;
01423 bool clients_in_company[MAX_COMPANIES];
01424 int vehicles_in_company[MAX_COMPANIES];
01425
01426 if (!_settings_client.network.autoclean_companies) return;
01427
01428 memset(clients_in_company, 0, sizeof(clients_in_company));
01429
01430
01431 FOR_ALL_CLIENT_INFOS(ci) {
01432 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01433 }
01434
01435 if (!_network_dedicated) {
01436 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01437 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01438 }
01439
01440 if (_settings_client.network.autoclean_novehicles != 0) {
01441 memset(vehicles_in_company, 0, sizeof(vehicles_in_company));
01442
01443 const Vehicle *v;
01444 FOR_ALL_VEHICLES(v) {
01445 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01446 vehicles_in_company[v->owner]++;
01447 }
01448 }
01449
01450
01451 FOR_ALL_COMPANIES(c) {
01452
01453 if (c->is_ai) continue;
01454
01455 if (!clients_in_company[c->index]) {
01456
01457 _network_company_states[c->index].months_empty++;
01458
01459
01460 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)) {
01461
01462 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01463 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no password", c->index + 1);
01464 }
01465
01466 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)) {
01467
01468 _network_company_states[c->index].password[0] = '\0';
01469 IConsolePrintF(CC_DEFAULT, "Auto-removed protection from company #%d", c->index + 1);
01470 _network_company_states[c->index].months_empty = 0;
01471 NetworkServerUpdateCompanyPassworded(c->index, false);
01472 }
01473
01474 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) {
01475
01476 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01477 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no vehicles", c->index + 1);
01478 }
01479 } else {
01480
01481 _network_company_states[c->index].months_empty = 0;
01482 }
01483 }
01484 }
01485
01486
01487
01488 bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH])
01489 {
01490 bool found_name = false;
01491 uint number = 0;
01492 char original_name[NETWORK_CLIENT_NAME_LENGTH];
01493
01494
01495 ttd_strlcpy(original_name, new_name, NETWORK_CLIENT_NAME_LENGTH);
01496
01497 while (!found_name) {
01498 const NetworkClientInfo *ci;
01499
01500 found_name = true;
01501 FOR_ALL_CLIENT_INFOS(ci) {
01502 if (strcmp(ci->client_name, new_name) == 0) {
01503
01504 found_name = false;
01505 break;
01506 }
01507 }
01508
01509 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01510 if (ci != NULL) {
01511 if (strcmp(ci->client_name, new_name) == 0) found_name = false;
01512 }
01513
01514 if (!found_name) {
01515
01516
01517
01518 if (number++ > MAX_CLIENTS) break;
01519 snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number);
01520 }
01521 }
01522
01523 return found_name;
01524 }
01525
01532 bool NetworkServerChangeClientName(ClientID client_id, const char *new_name)
01533 {
01534 NetworkClientInfo *ci;
01535
01536 FOR_ALL_CLIENT_INFOS(ci) {
01537 if (strcmp(ci->client_name, new_name) == 0) return false;
01538 }
01539
01540 ci = NetworkFindClientInfoFromClientID(client_id);
01541 if (ci == NULL) return false;
01542
01543 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, true, ci->client_name, new_name);
01544
01545 strecpy(ci->client_name, new_name, lastof(ci->client_name));
01546
01547 NetworkUpdateClientInfo(client_id);
01548 return true;
01549 }
01550
01551
01552 void NetworkServer_ReadPackets(NetworkClientSocket *cs)
01553 {
01554 Packet *p;
01555 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01556
01557 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01558 byte type = p->Recv_uint8();
01559 if (type < PACKET_END && _network_server_packet[type] != NULL && !cs->HasClientQuit()) {
01560 res = _network_server_packet[type](cs, p);
01561 } else {
01562 cs->CloseConnection();
01563 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01564 DEBUG(net, 0, "[server] received invalid packet type %d", type);
01565 }
01566
01567 delete p;
01568 }
01569 }
01570
01571
01572 static void NetworkHandleCommandQueue(NetworkClientSocket *cs)
01573 {
01574 CommandPacket *cp;
01575
01576 while ( (cp = cs->command_queue) != NULL) {
01577 SEND_COMMAND(PACKET_SERVER_COMMAND)(cs, cp);
01578
01579 cs->command_queue = cp->next;
01580 free(cp);
01581 }
01582 }
01583
01584
01585 void NetworkServer_Tick(bool send_frame)
01586 {
01587 NetworkClientSocket *cs;
01588 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01589 bool send_sync = false;
01590 #endif
01591
01592 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01593 if (_frame_counter >= _last_sync_frame + _settings_client.network.sync_freq) {
01594 _last_sync_frame = _frame_counter;
01595 send_sync = true;
01596 }
01597 #endif
01598
01599
01600
01601 FOR_ALL_CLIENT_SOCKETS(cs) {
01602
01603 if (cs->status == STATUS_ACTIVE) {
01604
01605 int lag = NetworkCalculateLag(cs) / DAY_TICKS;
01606 if (lag > 0) {
01607 if (lag > 3) {
01608
01609
01610 IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id);
01611 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01612 continue;
01613 }
01614
01615
01616 if (cs->lag_test == 0) {
01617 IConsolePrintF(CC_WARNING,"[%d] Client #%d is slow, try increasing *net_frame_freq to a higher value!", _frame_counter, cs->client_id);
01618 cs->lag_test = 1;
01619 }
01620 } else {
01621 cs->lag_test = 0;
01622 }
01623 } else if (cs->status == STATUS_PRE_ACTIVE) {
01624 int lag = NetworkCalculateLag(cs);
01625 if (lag > _settings_client.network.max_join_time) {
01626 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);
01627 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01628 }
01629 } else if (cs->status == STATUS_INACTIVE) {
01630 int lag = NetworkCalculateLag(cs);
01631 if (lag > 4 * DAY_TICKS) {
01632 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);
01633 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01634 }
01635 }
01636
01637 if (cs->status >= STATUS_PRE_ACTIVE) {
01638
01639 NetworkHandleCommandQueue(cs);
01640
01641
01642 if (send_frame) SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
01643
01644 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01645
01646 if (send_sync) SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
01647 #endif
01648 }
01649 }
01650
01651
01652 NetworkUDPAdvertise();
01653 }
01654
01655 void NetworkServerYearlyLoop()
01656 {
01657 NetworkCheckRestartMap();
01658 }
01659
01660 void NetworkServerMonthlyLoop()
01661 {
01662 NetworkAutoCleanCompanies();
01663 }
01664
01665 void NetworkServerChangeOwner(Owner current_owner, Owner new_owner)
01666 {
01667
01668
01669 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01670
01671
01672 if (current_owner == ci->client_playas) {
01673 ci->client_playas = new_owner;
01674 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01675 }
01676
01677
01678 FOR_ALL_CLIENT_INFOS(ci) {
01679 if (current_owner == ci->client_playas) {
01680 ci->client_playas = new_owner;
01681 NetworkUpdateClientInfo(ci->client_id);
01682 }
01683 }
01684 }
01685
01686 const char *GetClientIP(NetworkClientInfo *ci)
01687 {
01688 return ci->client_address.GetHostname();
01689 }
01690
01691 void NetworkServerShowStatusToConsole()
01692 {
01693 static const char * const stat_str[] = {
01694 "inactive",
01695 "authorizing",
01696 "authorized",
01697 "waiting",
01698 "loading map",
01699 "map done",
01700 "ready",
01701 "active"
01702 };
01703
01704 NetworkClientSocket *cs;
01705 FOR_ALL_CLIENT_SOCKETS(cs) {
01706 int lag = NetworkCalculateLag(cs);
01707 NetworkClientInfo *ci = cs->GetInfo();
01708 const char *status;
01709
01710 status = (cs->status < (ptrdiff_t)lengthof(stat_str) ? stat_str[cs->status] : "unknown");
01711 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' status: '%s' frame-lag: %3d company: %1d IP: %s",
01712 cs->client_id, ci->client_name, status, lag,
01713 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01714 GetClientIP(ci));
01715 }
01716 }
01717
01721 void NetworkServerSendConfigUpdate()
01722 {
01723 NetworkClientSocket *cs;
01724
01725 FOR_ALL_CLIENT_SOCKETS(cs) {
01726 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
01727 }
01728 }
01729
01730 void NetworkServerUpdateCompanyPassworded(CompanyID company_id, bool passworded)
01731 {
01732 if (NetworkCompanyIsPassworded(company_id) == passworded) return;
01733
01734 SB(_network_company_passworded, company_id, 1, !!passworded);
01735 SetWindowClassesDirty(WC_COMPANY);
01736
01737 NetworkClientSocket *cs;
01738 FOR_ALL_CLIENT_SOCKETS(cs) {
01739 SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
01740 }
01741 }
01742
01749 void NetworkServerDoMove(ClientID client_id, CompanyID company_id)
01750 {
01751
01752 if (client_id == CLIENT_ID_SERVER && _network_dedicated) return;
01753
01754 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01755
01756
01757 if (ci->client_playas == company_id) return;
01758
01759 ci->client_playas = company_id;
01760
01761 if (client_id == CLIENT_ID_SERVER) {
01762 SetLocalCompany(company_id);
01763 } else {
01764 SEND_COMMAND(PACKET_SERVER_MOVE)(NetworkFindClientStateFromClientID(client_id), client_id, company_id);
01765 }
01766
01767
01768 NetworkUpdateClientInfo(client_id);
01769
01770 NetworkAction action = (company_id == COMPANY_SPECTATOR) ? NETWORK_ACTION_COMPANY_SPECTATOR : NETWORK_ACTION_COMPANY_JOIN;
01771 NetworkServerSendChat(action, DESTTYPE_BROADCAST, 0, "", client_id, company_id + 1);
01772 }
01773
01774 void NetworkServerSendRcon(ClientID client_id, ConsoleColour colour_code, const char *string)
01775 {
01776 SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromClientID(client_id), colour_code, string);
01777 }
01778
01779 void NetworkServerSendError(ClientID client_id, NetworkErrorCode error)
01780 {
01781 SEND_COMMAND(PACKET_SERVER_ERROR)(NetworkFindClientStateFromClientID(client_id), error);
01782 }
01783
01784 void NetworkServerKickClient(ClientID client_id)
01785 {
01786 if (client_id == CLIENT_ID_SERVER) return;
01787 NetworkServerSendError(client_id, NETWORK_ERROR_KICKED);
01788 }
01789
01790 void NetworkServerBanIP(const char *banip)
01791 {
01792 NetworkClientInfo *ci;
01793
01794
01795 FOR_ALL_CLIENT_INFOS(ci) {
01796 if (ci->client_address.IsInNetmask(const_cast<char *>(banip))) {
01797 NetworkServerKickClient(ci->client_id);
01798 }
01799 }
01800
01801
01802 *_network_ban_list.Append() = strdup(banip);
01803 }
01804
01805 bool NetworkCompanyHasClients(CompanyID company)
01806 {
01807 const NetworkClientInfo *ci;
01808 FOR_ALL_CLIENT_INFOS(ci) {
01809 if (ci->client_playas == company) return true;
01810 }
01811 return false;
01812 }
01813
01814 #endif