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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 = NULL;
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 if (file_pointer != NULL) fclose(file_pointer);
00341
00342 file_pointer = FioFOpenFile(filename, "rb", AUTOSAVE_DIR);
00343 if (file_pointer == NULL) usererror("network savedump failed - could not open just saved dump");
00344
00345 fseek(file_pointer, 0, SEEK_END);
00346 if (ftell(file_pointer) == 0) usererror("network savedump failed - zero sized savegame?");
00347
00348
00349 p = new Packet(PACKET_SERVER_MAP);
00350 p->Send_uint8 (MAP_PACKET_START);
00351 p->Send_uint32(_frame_counter);
00352 p->Send_uint32(ftell(file_pointer));
00353 cs->Send_Packet(p);
00354
00355 fseek(file_pointer, 0, SEEK_SET);
00356
00357 sent_packets = 4;
00358
00359 NetworkSyncCommandQueue(cs);
00360 cs->status = STATUS_MAP;
00361
00362 cs->last_frame = _frame_counter;
00363 cs->last_frame_server = _frame_counter;
00364 }
00365
00366 if (cs->status == STATUS_MAP) {
00367 uint i;
00368 int res;
00369 for (i = 0; i < sent_packets; i++) {
00370 Packet *p = new Packet(PACKET_SERVER_MAP);
00371 p->Send_uint8(MAP_PACKET_NORMAL);
00372 res = (int)fread(p->buffer + p->size, 1, SEND_MTU - p->size, file_pointer);
00373
00374 if (ferror(file_pointer)) usererror("Error reading temporary network savegame!");
00375
00376 p->size += res;
00377 cs->Send_Packet(p);
00378 if (feof(file_pointer)) {
00379
00380 Packet *p = new Packet(PACKET_SERVER_MAP);
00381 p->Send_uint8(MAP_PACKET_END);
00382 cs->Send_Packet(p);
00383
00384
00385
00386 cs->status = STATUS_DONE_MAP;
00387 fclose(file_pointer);
00388 file_pointer = NULL;
00389
00390 NetworkClientSocket *new_cs;
00391 bool new_map_client = false;
00392
00393
00394 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00395 if (new_cs->status == STATUS_MAP_WAIT) {
00396
00397 if (!new_map_client) {
00398
00399 new_cs->status = STATUS_AUTHORIZED;
00400 new_map_client = true;
00401 SEND_COMMAND(PACKET_SERVER_MAP)(new_cs);
00402 } else {
00403
00404 SEND_COMMAND(PACKET_SERVER_WAIT)(new_cs);
00405 }
00406 }
00407 }
00408
00409
00410 break;
00411 }
00412 }
00413
00414
00415 if (cs->Send_Packets() && cs->IsPacketQueueEmpty()) {
00416
00417 sent_packets *= 2;
00418 } else {
00419
00420 if (sent_packets > 1) sent_packets /= 2;
00421 }
00422 }
00423 return NETWORK_RECV_STATUS_OKAY;
00424 }
00425
00426 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_JOIN)(NetworkClientSocket *cs, ClientID client_id)
00427 {
00428
00429
00430
00431
00432
00433
00434
00435
00436
00437 Packet *p = new Packet(PACKET_SERVER_JOIN);
00438
00439 p->Send_uint32(client_id);
00440
00441 cs->Send_Packet(p);
00442 return NETWORK_RECV_STATUS_OKAY;
00443 }
00444
00445
00446 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_FRAME)
00447 {
00448
00449
00450
00451
00452
00453
00454
00455
00456
00457
00458
00459 Packet *p = new Packet(PACKET_SERVER_FRAME);
00460 p->Send_uint32(_frame_counter);
00461 p->Send_uint32(_frame_counter_max);
00462 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00463 p->Send_uint32(_sync_seed_1);
00464 #ifdef NETWORK_SEND_DOUBLE_SEED
00465 p->Send_uint32(_sync_seed_2);
00466 #endif
00467 #endif
00468 cs->Send_Packet(p);
00469 return NETWORK_RECV_STATUS_OKAY;
00470 }
00471
00472 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SYNC)
00473 {
00474
00475
00476
00477
00478
00479
00480
00481
00482
00483
00484 Packet *p = new Packet(PACKET_SERVER_SYNC);
00485 p->Send_uint32(_frame_counter);
00486 p->Send_uint32(_sync_seed_1);
00487
00488 #ifdef NETWORK_SEND_DOUBLE_SEED
00489 p->Send_uint32(_sync_seed_2);
00490 #endif
00491 cs->Send_Packet(p);
00492 return NETWORK_RECV_STATUS_OKAY;
00493 }
00494
00495 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMMAND)(NetworkClientSocket *cs, const CommandPacket *cp)
00496 {
00497
00498
00499
00500
00501
00502
00503
00504
00505
00506
00507
00508
00509
00510
00511 Packet *p = new Packet(PACKET_SERVER_COMMAND);
00512
00513 cs->Send_Command(p, cp);
00514 p->Send_uint32(cp->frame);
00515 p->Send_bool (cp->my_cmd);
00516
00517 cs->Send_Packet(p);
00518 return NETWORK_RECV_STATUS_OKAY;
00519 }
00520
00521 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHAT)(NetworkClientSocket *cs, NetworkAction action, ClientID client_id, bool self_send, const char *msg, int64 data)
00522 {
00523
00524
00525
00526
00527
00528
00529
00530
00531
00532
00533 Packet *p = new Packet(PACKET_SERVER_CHAT);
00534
00535 p->Send_uint8 (action);
00536 p->Send_uint32(client_id);
00537 p->Send_bool (self_send);
00538 p->Send_string(msg);
00539 p->Send_uint64(data);
00540
00541 cs->Send_Packet(p);
00542 return NETWORK_RECV_STATUS_OKAY;
00543 }
00544
00545 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR_QUIT)(NetworkClientSocket *cs, ClientID client_id, NetworkErrorCode errorno)
00546 {
00547
00548
00549
00550
00551
00552
00553
00554
00555
00556 Packet *p = new Packet(PACKET_SERVER_ERROR_QUIT);
00557
00558 p->Send_uint32(client_id);
00559 p->Send_uint8 (errorno);
00560
00561 cs->Send_Packet(p);
00562 return NETWORK_RECV_STATUS_OKAY;
00563 }
00564
00565 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_QUIT)(NetworkClientSocket *cs, ClientID client_id)
00566 {
00567
00568
00569
00570
00571
00572
00573
00574
00575 Packet *p = new Packet(PACKET_SERVER_QUIT);
00576
00577 p->Send_uint32(client_id);
00578
00579 cs->Send_Packet(p);
00580 return NETWORK_RECV_STATUS_OKAY;
00581 }
00582
00583 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SHUTDOWN)
00584 {
00585
00586
00587
00588
00589
00590
00591
00592 Packet *p = new Packet(PACKET_SERVER_SHUTDOWN);
00593 cs->Send_Packet(p);
00594 return NETWORK_RECV_STATUS_OKAY;
00595 }
00596
00597 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NEWGAME)
00598 {
00599
00600
00601
00602
00603
00604
00605
00606 Packet *p = new Packet(PACKET_SERVER_NEWGAME);
00607 cs->Send_Packet(p);
00608 return NETWORK_RECV_STATUS_OKAY;
00609 }
00610
00611 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command)
00612 {
00613 Packet *p = new Packet(PACKET_SERVER_RCON);
00614
00615 p->Send_uint16(colour);
00616 p->Send_string(command);
00617 cs->Send_Packet(p);
00618 return NETWORK_RECV_STATUS_OKAY;
00619 }
00620
00621 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, ClientID client_id, CompanyID company_id)
00622 {
00623 Packet *p = new Packet(PACKET_SERVER_MOVE);
00624
00625 p->Send_uint32(client_id);
00626 p->Send_uint8(company_id);
00627 cs->Send_Packet(p);
00628 return NETWORK_RECV_STATUS_OKAY;
00629 }
00630
00631 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMPANY_UPDATE)(NetworkClientSocket *cs)
00632 {
00633 Packet *p = new Packet(PACKET_SERVER_COMPANY_UPDATE);
00634
00635 p->Send_uint16(_network_company_passworded);
00636 cs->Send_Packet(p);
00637 return NETWORK_RECV_STATUS_OKAY;
00638 }
00639
00640 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00641 {
00642 Packet *p = new Packet(PACKET_SERVER_CONFIG_UPDATE);
00643
00644 p->Send_uint8(_settings_client.network.max_companies);
00645 p->Send_uint8(_settings_client.network.max_spectators);
00646 cs->Send_Packet(p);
00647 return NETWORK_RECV_STATUS_OKAY;
00648 }
00649
00650
00651
00652
00653
00654
00655 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00656 {
00657 return SEND_COMMAND(PACKET_SERVER_COMPANY_INFO)(cs);
00658 }
00659
00660 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00661 {
00662 if (cs->status != STATUS_NEWGRFS_CHECK) {
00663
00664 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00665 }
00666
00667 NetworkClientInfo *ci = cs->GetInfo();
00668
00669
00670 if (!StrEmpty(_settings_client.network.server_password)) {
00671 return SEND_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)(cs);
00672 }
00673
00674 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00675 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00676 }
00677
00678 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00679 }
00680
00681 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
00682 {
00683 if (cs->status != STATUS_INACTIVE) {
00684
00685 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00686 }
00687
00688 char name[NETWORK_CLIENT_NAME_LENGTH];
00689 NetworkClientInfo *ci;
00690 CompanyID playas;
00691 NetworkLanguage client_lang;
00692 char client_revision[NETWORK_REVISION_LENGTH];
00693
00694 p->Recv_string(client_revision, sizeof(client_revision));
00695
00696
00697 if (!IsNetworkCompatibleVersion(client_revision)) {
00698
00699 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_REVISION);
00700 }
00701
00702 p->Recv_string(name, sizeof(name));
00703 playas = (Owner)p->Recv_uint8();
00704 client_lang = (NetworkLanguage)p->Recv_uint8();
00705
00706 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00707
00708
00709 switch (playas) {
00710 case COMPANY_NEW_COMPANY:
00711 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00712 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00713 }
00714 break;
00715 case COMPANY_SPECTATOR:
00716 if (NetworkSpectatorCount() >= _settings_client.network.max_spectators) {
00717 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00718 }
00719 break;
00720 default:
00721 if (!Company::IsValidHumanID(playas)) {
00722 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00723 }
00724 break;
00725 }
00726
00727
00728 if (StrEmpty(name)) strecpy(name, "Player", lastof(name));
00729
00730 if (!NetworkFindName(name)) {
00731
00732 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NAME_IN_USE);
00733 }
00734
00735 ci = cs->GetInfo();
00736
00737 strecpy(ci->client_name, name, lastof(ci->client_name));
00738 ci->client_playas = playas;
00739 ci->client_lang = client_lang;
00740 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, ci->index);
00741
00742
00743 if (Company::IsValidID(playas)) _network_company_states[playas].months_empty = 0;
00744
00745 cs->status = STATUS_NEWGRFS_CHECK;
00746
00747 if (_grfconfig == NULL) {
00748
00749 return RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)(cs, NULL);
00750 }
00751
00752 return SEND_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)(cs);
00753 }
00754
00755 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00756 {
00757 if (cs->status != STATUS_AUTH_GAME) {
00758 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00759 }
00760
00761 char password[NETWORK_PASSWORD_LENGTH];
00762 p->Recv_string(password, sizeof(password));
00763
00764
00765 if (!StrEmpty(_settings_client.network.server_password) &&
00766 strcmp(password, _settings_client.network.server_password) != 0) {
00767
00768 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00769 }
00770
00771 const NetworkClientInfo *ci = cs->GetInfo();
00772 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00773 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00774 }
00775
00776
00777 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00778 }
00779
00780 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00781 {
00782 if (cs->status != STATUS_AUTH_COMPANY) {
00783 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00784 }
00785
00786 char password[NETWORK_PASSWORD_LENGTH];
00787 p->Recv_string(password, sizeof(password));
00788
00789
00790
00791
00792 CompanyID playas = cs->GetInfo()->client_playas;
00793 if (Company::IsValidID(playas) && !StrEmpty(_network_company_states[playas].password) &&
00794 strcmp(password, _network_company_states[playas].password) != 0) {
00795
00796 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00797 }
00798
00799 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00800 }
00801
00802 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00803 {
00804 NetworkClientSocket *new_cs;
00805
00806
00807
00808
00809
00810
00811
00812
00813 if (HasBit(_openttd_newgrf_version, 19)) {
00814 if (_openttd_newgrf_version != p->Recv_uint32()) {
00815
00816
00817 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00818 }
00819 } else if (p->size != 3) {
00820
00821
00822 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00823 }
00824
00825
00826
00827 if (cs->status < STATUS_AUTHORIZED || cs->HasClientQuit()) {
00828 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00829 }
00830
00831
00832 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00833 if (new_cs->status == STATUS_MAP) {
00834
00835 cs->status = STATUS_MAP_WAIT;
00836 return SEND_COMMAND(PACKET_SERVER_WAIT)(cs);
00837 }
00838 }
00839
00840
00841 return SEND_COMMAND(PACKET_SERVER_MAP)(cs);
00842 }
00843
00844 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00845 {
00846
00847 if (cs->status == STATUS_DONE_MAP && !cs->HasClientQuit()) {
00848 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00849 NetworkClientSocket *new_cs;
00850
00851 NetworkGetClientName(client_name, sizeof(client_name), cs);
00852
00853 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, client_name, NULL, cs->client_id);
00854
00855
00856
00857 cs->status = STATUS_PRE_ACTIVE;
00858 NetworkHandleCommandQueue(cs);
00859 SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
00860 SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
00861
00862
00863
00864 cs->last_frame = _frame_counter;
00865 cs->last_frame_server = _frame_counter;
00866
00867 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00868 if (new_cs->status > STATUS_AUTHORIZED) {
00869 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(new_cs, cs->GetInfo());
00870 SEND_COMMAND(PACKET_SERVER_JOIN)(new_cs, cs->client_id);
00871 }
00872 }
00873
00874
00875 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
00876
00877
00878 return SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
00879 }
00880
00881
00882 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00883 }
00884
00889 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00890 {
00891 NetworkClientSocket *new_cs;
00892
00893
00894
00895 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00896 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00897 }
00898
00899 CommandPacket cp;
00900 const char *err = cs->Recv_Command(p, &cp);
00901
00902 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00903
00904 NetworkClientInfo *ci = cs->GetInfo();
00905
00906 if (err != NULL) {
00907 IConsolePrintF(CC_ERROR, "WARNING: %s from client %d (IP: %s).", err, ci->client_id, GetClientIP(ci));
00908 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00909 }
00910
00911
00912 if ((GetCommandFlags(cp.cmd) & CMD_SERVER) && ci->client_id != CLIENT_ID_SERVER) {
00913 IConsolePrintF(CC_ERROR, "WARNING: server only command from: client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00914 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00915 }
00916
00917 if ((GetCommandFlags(cp.cmd) & CMD_SPECTATOR) == 0 && !Company::IsValidID(cp.company) && ci->client_id != CLIENT_ID_SERVER) {
00918 IConsolePrintF(CC_ERROR, "WARNING: spectator issueing command from client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00919 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00920 }
00921
00926 if (!(cp.cmd == CMD_COMPANY_CTRL && cp.p1 == 0 && ci->client_playas == COMPANY_NEW_COMPANY) && ci->client_playas != cp.company) {
00927 IConsolePrintF(CC_ERROR, "WARNING: client %d (IP: %s) tried to execute a command as company %d, kicking...",
00928 ci->client_playas + 1, GetClientIP(ci), cp.company + 1);
00929 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00930 }
00931
00937 if (cp.cmd == CMD_COMPANY_CTRL) {
00938 if (cp.p1 != 0 || cp.company != COMPANY_SPECTATOR) {
00939 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
00940 }
00941
00942
00943 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00944 NetworkServerSendChat(NETWORK_ACTION_SERVER_MESSAGE, DESTTYPE_CLIENT, ci->client_id, "cannot create new company, server full", CLIENT_ID_SERVER);
00945 return NETWORK_RECV_STATUS_OKAY;
00946 }
00947
00948 cp.p2 = cs->client_id;
00949 }
00950
00951
00952
00953 cp.frame = _frame_counter_max + 1;
00954 cp.next = NULL;
00955
00956 CommandCallback *callback = cp.callback;
00957
00958
00959
00960 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00961 if (new_cs->status >= STATUS_MAP) {
00962
00963
00964 cp.callback = (new_cs != cs) ? NULL : callback;
00965 cp.my_cmd = (new_cs == cs);
00966 NetworkAddCommandQueue(cp, new_cs);
00967 }
00968 }
00969
00970 cp.callback = NULL;
00971 cp.my_cmd = false;
00972 NetworkAddCommandQueue(cp);
00973 return NETWORK_RECV_STATUS_OKAY;
00974 }
00975
00976 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00977 {
00978
00979
00980 NetworkClientSocket *new_cs;
00981 char str[100];
00982 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00983 NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();
00984
00985
00986 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00987 cs->CloseConnection();
00988 return NETWORK_RECV_STATUS_CONN_LOST;
00989 }
00990
00991 NetworkGetClientName(client_name, sizeof(client_name), cs);
00992
00993 StringID strid = GetNetworkErrorMsg(errorno);
00994 GetString(str, strid, lastof(str));
00995
00996 DEBUG(net, 2, "'%s' reported an error and is closing its connection (%s)", client_name, str);
00997
00998 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
00999
01000 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01001 if (new_cs->status > STATUS_AUTHORIZED) {
01002 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, errorno);
01003 }
01004 }
01005
01006 cs->CloseConnection(false);
01007 return NETWORK_RECV_STATUS_CONN_LOST;
01008 }
01009
01010 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
01011 {
01012
01013
01014 NetworkClientSocket *new_cs;
01015 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01016
01017
01018 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
01019 cs->CloseConnection();
01020 return NETWORK_RECV_STATUS_CONN_LOST;
01021 }
01022
01023 NetworkGetClientName(client_name, sizeof(client_name), cs);
01024
01025 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01026
01027 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01028 if (new_cs->status > STATUS_AUTHORIZED) {
01029 SEND_COMMAND(PACKET_SERVER_QUIT)(new_cs, cs->client_id);
01030 }
01031 }
01032
01033 cs->CloseConnection(false);
01034 return NETWORK_RECV_STATUS_CONN_LOST;
01035 }
01036
01037 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
01038 {
01039 if (cs->status < STATUS_AUTHORIZED) {
01040
01041 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01042 }
01043
01044 uint32 frame = p->Recv_uint32();
01045
01046
01047 if (cs->status == STATUS_PRE_ACTIVE) {
01048
01049 if (frame + DAY_TICKS < _frame_counter) return NETWORK_RECV_STATUS_OKAY;
01050
01051
01052 cs->status = STATUS_ACTIVE;
01053
01054
01055 IConsoleCmdExec("exec scripts/on_server_connect.scr 0");
01056 }
01057
01058
01059 cs->last_frame = frame;
01060
01061 cs->last_frame_server = _frame_counter;
01062 return NETWORK_RECV_STATUS_OKAY;
01063 }
01064
01065
01066
01067 void NetworkServerSendChat(NetworkAction action, DestType desttype, int dest, const char *msg, ClientID from_id, int64 data)
01068 {
01069 NetworkClientSocket *cs;
01070 const NetworkClientInfo *ci, *ci_own, *ci_to;
01071
01072 switch (desttype) {
01073 case DESTTYPE_CLIENT:
01074
01075 if ((ClientID)dest == CLIENT_ID_SERVER) {
01076 ci = NetworkFindClientInfoFromClientID(from_id);
01077
01078 if (ci != NULL)
01079 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01080 } else {
01081
01082 FOR_ALL_CLIENT_SOCKETS(cs) {
01083 if (cs->client_id == (ClientID)dest) {
01084 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01085 break;
01086 }
01087 }
01088 }
01089
01090
01091 if (from_id != (ClientID)dest) {
01092 if (from_id == CLIENT_ID_SERVER) {
01093 ci = NetworkFindClientInfoFromClientID(from_id);
01094 ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
01095 if (ci != NULL && ci_to != NULL)
01096 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
01097 } else {
01098 FOR_ALL_CLIENT_SOCKETS(cs) {
01099 if (cs->client_id == from_id) {
01100 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, (ClientID)dest, true, msg, data);
01101 break;
01102 }
01103 }
01104 }
01105 }
01106 break;
01107 case DESTTYPE_TEAM: {
01108
01109 bool show_local = true;
01110
01111 ci_to = NULL;
01112 FOR_ALL_CLIENT_SOCKETS(cs) {
01113 ci = cs->GetInfo();
01114 if (ci->client_playas == (CompanyID)dest) {
01115 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01116 if (cs->client_id == from_id) show_local = false;
01117 ci_to = ci;
01118 }
01119 }
01120
01121 ci = NetworkFindClientInfoFromClientID(from_id);
01122 ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01123 if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
01124 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01125 if (from_id == CLIENT_ID_SERVER) show_local = false;
01126 ci_to = ci_own;
01127 }
01128
01129
01130 if (ci_to == NULL) break;
01131
01132
01133 if (ci != NULL && show_local) {
01134 if (from_id == CLIENT_ID_SERVER) {
01135 char name[NETWORK_NAME_LENGTH];
01136 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
01137 SetDParam(0, ci_to->client_playas);
01138 GetString(name, str, lastof(name));
01139 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
01140 } else {
01141 FOR_ALL_CLIENT_SOCKETS(cs) {
01142 if (cs->client_id == from_id) {
01143 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, ci_to->client_id, true, msg, data);
01144 }
01145 }
01146 }
01147 }
01148 }
01149 break;
01150 default:
01151 DEBUG(net, 0, "[server] received unknown chat destination type %d. Doing broadcast instead", desttype);
01152
01153 case DESTTYPE_BROADCAST:
01154 FOR_ALL_CLIENT_SOCKETS(cs) {
01155 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01156 }
01157 ci = NetworkFindClientInfoFromClientID(from_id);
01158 if (ci != NULL)
01159 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01160 break;
01161 }
01162 }
01163
01164 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
01165 {
01166 if (cs->status < STATUS_AUTHORIZED) {
01167
01168 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01169 }
01170
01171 NetworkAction action = (NetworkAction)p->Recv_uint8();
01172 DestType desttype = (DestType)p->Recv_uint8();
01173 int dest = p->Recv_uint32();
01174 char msg[NETWORK_CHAT_LENGTH];
01175
01176 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
01177 int64 data = p->Recv_uint64();
01178
01179 NetworkClientInfo *ci = cs->GetInfo();
01180 switch (action) {
01181 case NETWORK_ACTION_GIVE_MONEY:
01182 if (!Company::IsValidID(ci->client_playas)) break;
01183
01184 case NETWORK_ACTION_CHAT:
01185 case NETWORK_ACTION_CHAT_CLIENT:
01186 case NETWORK_ACTION_CHAT_COMPANY:
01187 NetworkServerSendChat(action, desttype, dest, msg, cs->client_id, data);
01188 break;
01189 default:
01190 IConsolePrintF(CC_ERROR, "WARNING: invalid chat action from client %d (IP: %s).", ci->client_id, GetClientIP(ci));
01191 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01192 break;
01193 }
01194 return NETWORK_RECV_STATUS_OKAY;
01195 }
01196
01197 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
01198 {
01199 if (cs->status != STATUS_ACTIVE) {
01200
01201 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01202 }
01203
01204 char password[NETWORK_PASSWORD_LENGTH];
01205 const NetworkClientInfo *ci;
01206
01207 p->Recv_string(password, sizeof(password));
01208 ci = cs->GetInfo();
01209
01210 if (Company::IsValidID(ci->client_playas)) {
01211 strecpy(_network_company_states[ci->client_playas].password, password, lastof(_network_company_states[ci->client_playas].password));
01212 NetworkServerUpdateCompanyPassworded(ci->client_playas, !StrEmpty(_network_company_states[ci->client_playas].password));
01213 }
01214 return NETWORK_RECV_STATUS_OKAY;
01215 }
01216
01217 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
01218 {
01219 if (cs->status != STATUS_ACTIVE) {
01220
01221 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01222 }
01223
01224 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01225 NetworkClientInfo *ci;
01226
01227 p->Recv_string(client_name, sizeof(client_name));
01228 ci = cs->GetInfo();
01229
01230 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
01231
01232 if (ci != NULL) {
01233
01234 if (NetworkFindName(client_name)) {
01235 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name);
01236 strecpy(ci->client_name, client_name, lastof(ci->client_name));
01237 NetworkUpdateClientInfo(ci->client_id);
01238 }
01239 }
01240 return NETWORK_RECV_STATUS_OKAY;
01241 }
01242
01243 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
01244 {
01245 char pass[NETWORK_PASSWORD_LENGTH];
01246 char command[NETWORK_RCONCOMMAND_LENGTH];
01247
01248 if (StrEmpty(_settings_client.network.rcon_password)) return NETWORK_RECV_STATUS_OKAY;
01249
01250 p->Recv_string(pass, sizeof(pass));
01251 p->Recv_string(command, sizeof(command));
01252
01253 if (strcmp(pass, _settings_client.network.rcon_password) != 0) {
01254 DEBUG(net, 0, "[rcon] wrong password from client-id %d", cs->client_id);
01255 return NETWORK_RECV_STATUS_OKAY;
01256 }
01257
01258 DEBUG(net, 0, "[rcon] client-id %d executed: '%s'", cs->client_id, command);
01259
01260 _redirect_console_to_client = cs->client_id;
01261 IConsoleCmdExec(command);
01262 _redirect_console_to_client = INVALID_CLIENT_ID;
01263 return NETWORK_RECV_STATUS_OKAY;
01264 }
01265
01266 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
01267 {
01268 CompanyID company_id = (Owner)p->Recv_uint8();
01269
01270
01271 if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;
01272
01273
01274 if (company_id != COMPANY_SPECTATOR && !StrEmpty(_network_company_states[company_id].password)) {
01275
01276 char password[NETWORK_PASSWORD_LENGTH];
01277 p->Recv_string(password, sizeof(password));
01278
01279
01280 if (strcmp(password, _network_company_states[company_id].password) != 0) {
01281 DEBUG(net, 2, "[move] wrong password from client-id #%d for company #%d", cs->client_id, company_id + 1);
01282 return NETWORK_RECV_STATUS_OKAY;
01283 }
01284 }
01285
01286
01287 NetworkServerDoMove(cs->client_id, company_id);
01288 return NETWORK_RECV_STATUS_OKAY;
01289 }
01290
01291
01292 typedef NetworkRecvStatus NetworkServerPacket(NetworkClientSocket *cs, Packet *p);
01293
01294
01295
01296
01297
01298
01299 static NetworkServerPacket * const _network_server_packet[] = {
01300 NULL,
01301 NULL,
01302 RECEIVE_COMMAND(PACKET_CLIENT_JOIN),
01303 NULL,
01304 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO),
01305 NULL,
01306 NULL,
01307 NULL,
01308 NULL,
01309 RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD),
01310 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD),
01311 NULL,
01312 RECEIVE_COMMAND(PACKET_CLIENT_GETMAP),
01313 NULL,
01314 NULL,
01315 RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK),
01316 NULL,
01317 NULL,
01318 NULL,
01319 RECEIVE_COMMAND(PACKET_CLIENT_ACK),
01320 RECEIVE_COMMAND(PACKET_CLIENT_COMMAND),
01321 NULL,
01322 RECEIVE_COMMAND(PACKET_CLIENT_CHAT),
01323 NULL,
01324 RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD),
01325 RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME),
01326 RECEIVE_COMMAND(PACKET_CLIENT_QUIT),
01327 RECEIVE_COMMAND(PACKET_CLIENT_ERROR),
01328 NULL,
01329 NULL,
01330 NULL,
01331 NULL,
01332 NULL,
01333 RECEIVE_COMMAND(PACKET_CLIENT_RCON),
01334 NULL,
01335 RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED),
01336 NULL,
01337 RECEIVE_COMMAND(PACKET_CLIENT_MOVE),
01338 NULL,
01339 NULL,
01340 };
01341
01342
01343 assert_compile(lengthof(_network_server_packet) == PACKET_END);
01344
01345 void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
01346 {
01347
01348 char company_name[NETWORK_COMPANY_NAME_LENGTH];
01349 SetDParam(0, c->index);
01350 GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
01351
01352
01353 Money income = 0;
01354 if (_cur_year - 1 == c->inaugurated_year) {
01355
01356 for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
01357 income -= c->yearly_expenses[2][i];
01358 }
01359 } else {
01360 for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
01361 income -= c->yearly_expenses[1][i];
01362 }
01363 }
01364
01365
01366 p->Send_uint8 (c->index);
01367 p->Send_string(company_name);
01368 p->Send_uint32(c->inaugurated_year);
01369 p->Send_uint64(c->old_economy[0].company_value);
01370 p->Send_uint64(c->money);
01371 p->Send_uint64(income);
01372 p->Send_uint16(c->old_economy[0].performance_history);
01373
01374
01375 p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
01376
01377 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
01378 p->Send_uint16(stats->num_vehicle[i]);
01379 }
01380
01381 for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
01382 p->Send_uint16(stats->num_station[i]);
01383 }
01384
01385 p->Send_bool(c->is_ai);
01386 }
01387
01392 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats)
01393 {
01394 const Vehicle *v;
01395 const Station *s;
01396
01397 memset(stats, 0, sizeof(*stats) * MAX_COMPANIES);
01398
01399
01400 FOR_ALL_VEHICLES(v) {
01401 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01402 byte type = 0;
01403 switch (v->type) {
01404 case VEH_TRAIN: type = 0; break;
01405 case VEH_ROAD: type = RoadVehicle::From(v)->IsBus() ? 2 : 1; break;
01406 case VEH_AIRCRAFT: type = 3; break;
01407 case VEH_SHIP: type = 4; break;
01408 default: continue;
01409 }
01410 stats[v->owner].num_vehicle[type]++;
01411 }
01412
01413
01414 FOR_ALL_STATIONS(s) {
01415 if (Company::IsValidID(s->owner)) {
01416 NetworkCompanyStats *npi = &stats[s->owner];
01417
01418 if (s->facilities & FACIL_TRAIN) npi->num_station[0]++;
01419 if (s->facilities & FACIL_TRUCK_STOP) npi->num_station[1]++;
01420 if (s->facilities & FACIL_BUS_STOP) npi->num_station[2]++;
01421 if (s->facilities & FACIL_AIRPORT) npi->num_station[3]++;
01422 if (s->facilities & FACIL_DOCK) npi->num_station[4]++;
01423 }
01424 }
01425 }
01426
01427
01428 void NetworkUpdateClientInfo(ClientID client_id)
01429 {
01430 NetworkClientSocket *cs;
01431 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01432
01433 if (ci == NULL) return;
01434
01435 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, client_id);
01436
01437 FOR_ALL_CLIENT_SOCKETS(cs) {
01438 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, ci);
01439 }
01440 }
01441
01442
01443 static void NetworkCheckRestartMap()
01444 {
01445 if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {
01446 DEBUG(net, 0, "Auto-restarting map. Year %d reached", _cur_year);
01447
01448 StartNewGameWithoutGUI(GENERATE_NEW_SEED);
01449 }
01450 }
01451
01452
01453
01454
01455
01456
01457 static void NetworkAutoCleanCompanies()
01458 {
01459 const NetworkClientInfo *ci;
01460 const Company *c;
01461 bool clients_in_company[MAX_COMPANIES];
01462 int vehicles_in_company[MAX_COMPANIES];
01463
01464 if (!_settings_client.network.autoclean_companies) return;
01465
01466 memset(clients_in_company, 0, sizeof(clients_in_company));
01467
01468
01469 FOR_ALL_CLIENT_INFOS(ci) {
01470 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01471 }
01472
01473 if (!_network_dedicated) {
01474 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01475 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01476 }
01477
01478 if (_settings_client.network.autoclean_novehicles != 0) {
01479 memset(vehicles_in_company, 0, sizeof(vehicles_in_company));
01480
01481 const Vehicle *v;
01482 FOR_ALL_VEHICLES(v) {
01483 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01484 vehicles_in_company[v->owner]++;
01485 }
01486 }
01487
01488
01489 FOR_ALL_COMPANIES(c) {
01490
01491 if (c->is_ai) continue;
01492
01493 if (!clients_in_company[c->index]) {
01494
01495 _network_company_states[c->index].months_empty++;
01496
01497
01498 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)) {
01499
01500 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01501 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no password", c->index + 1);
01502 }
01503
01504 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)) {
01505
01506 _network_company_states[c->index].password[0] = '\0';
01507 IConsolePrintF(CC_DEFAULT, "Auto-removed protection from company #%d", c->index + 1);
01508 _network_company_states[c->index].months_empty = 0;
01509 NetworkServerUpdateCompanyPassworded(c->index, false);
01510 }
01511
01512 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) {
01513
01514 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01515 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no vehicles", c->index + 1);
01516 }
01517 } else {
01518
01519 _network_company_states[c->index].months_empty = 0;
01520 }
01521 }
01522 }
01523
01524
01525
01526 bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH])
01527 {
01528 bool found_name = false;
01529 uint number = 0;
01530 char original_name[NETWORK_CLIENT_NAME_LENGTH];
01531
01532
01533 ttd_strlcpy(original_name, new_name, NETWORK_CLIENT_NAME_LENGTH);
01534
01535 while (!found_name) {
01536 const NetworkClientInfo *ci;
01537
01538 found_name = true;
01539 FOR_ALL_CLIENT_INFOS(ci) {
01540 if (strcmp(ci->client_name, new_name) == 0) {
01541
01542 found_name = false;
01543 break;
01544 }
01545 }
01546
01547 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01548 if (ci != NULL) {
01549 if (strcmp(ci->client_name, new_name) == 0) found_name = false;
01550 }
01551
01552 if (!found_name) {
01553
01554
01555
01556 if (number++ > MAX_CLIENTS) break;
01557 snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number);
01558 }
01559 }
01560
01561 return found_name;
01562 }
01563
01570 bool NetworkServerChangeClientName(ClientID client_id, const char *new_name)
01571 {
01572 NetworkClientInfo *ci;
01573
01574 FOR_ALL_CLIENT_INFOS(ci) {
01575 if (strcmp(ci->client_name, new_name) == 0) return false;
01576 }
01577
01578 ci = NetworkFindClientInfoFromClientID(client_id);
01579 if (ci == NULL) return false;
01580
01581 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, true, ci->client_name, new_name);
01582
01583 strecpy(ci->client_name, new_name, lastof(ci->client_name));
01584
01585 NetworkUpdateClientInfo(client_id);
01586 return true;
01587 }
01588
01589
01590 void NetworkServer_ReadPackets(NetworkClientSocket *cs)
01591 {
01592 Packet *p;
01593 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01594
01595 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01596 byte type = p->Recv_uint8();
01597 if (type < PACKET_END && _network_server_packet[type] != NULL && !cs->HasClientQuit()) {
01598 res = _network_server_packet[type](cs, p);
01599 } else {
01600 cs->CloseConnection();
01601 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01602 DEBUG(net, 0, "[server] received invalid packet type %d", type);
01603 }
01604
01605 delete p;
01606 }
01607 }
01608
01609
01610 static void NetworkHandleCommandQueue(NetworkClientSocket *cs)
01611 {
01612 CommandPacket *cp;
01613
01614 while ( (cp = cs->command_queue) != NULL) {
01615 SEND_COMMAND(PACKET_SERVER_COMMAND)(cs, cp);
01616
01617 cs->command_queue = cp->next;
01618 free(cp);
01619 }
01620 }
01621
01622
01623 void NetworkServer_Tick(bool send_frame)
01624 {
01625 NetworkClientSocket *cs;
01626 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01627 bool send_sync = false;
01628 #endif
01629
01630 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01631 if (_frame_counter >= _last_sync_frame + _settings_client.network.sync_freq) {
01632 _last_sync_frame = _frame_counter;
01633 send_sync = true;
01634 }
01635 #endif
01636
01637
01638
01639 FOR_ALL_CLIENT_SOCKETS(cs) {
01640
01641 if (cs->status == STATUS_ACTIVE) {
01642
01643 int lag = NetworkCalculateLag(cs) / DAY_TICKS;
01644 if (lag > 0) {
01645 if (lag > 3) {
01646
01647
01648 IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id);
01649 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01650 continue;
01651 }
01652
01653
01654 if (cs->lag_test == 0) {
01655 IConsolePrintF(CC_WARNING,"[%d] Client #%d is slow, try increasing *net_frame_freq to a higher value!", _frame_counter, cs->client_id);
01656 cs->lag_test = 1;
01657 }
01658 } else {
01659 cs->lag_test = 0;
01660 }
01661 } else if (cs->status == STATUS_PRE_ACTIVE) {
01662 int lag = NetworkCalculateLag(cs);
01663 if (lag > _settings_client.network.max_join_time) {
01664 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);
01665 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01666 }
01667 } else if (cs->status == STATUS_INACTIVE) {
01668 int lag = NetworkCalculateLag(cs);
01669 if (lag > 4 * DAY_TICKS) {
01670 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);
01671 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01672 }
01673 }
01674
01675 if (cs->status >= STATUS_PRE_ACTIVE) {
01676
01677 NetworkHandleCommandQueue(cs);
01678
01679
01680 if (send_frame) SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
01681
01682 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01683
01684 if (send_sync) SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
01685 #endif
01686 }
01687 }
01688
01689
01690 NetworkUDPAdvertise();
01691 }
01692
01693 void NetworkServerYearlyLoop()
01694 {
01695 NetworkCheckRestartMap();
01696 }
01697
01698 void NetworkServerMonthlyLoop()
01699 {
01700 NetworkAutoCleanCompanies();
01701 }
01702
01703 const char *GetClientIP(NetworkClientInfo *ci)
01704 {
01705 return ci->client_address.GetHostname();
01706 }
01707
01708 void NetworkServerShowStatusToConsole()
01709 {
01710 static const char * const stat_str[] = {
01711 "inactive",
01712 "checking NewGRFs",
01713 "authorizing (server password)",
01714 "authorizing (company password)",
01715 "authorized",
01716 "waiting",
01717 "loading map",
01718 "map done",
01719 "ready",
01720 "active"
01721 };
01722 assert_compile(lengthof(stat_str) == STATUS_END);
01723
01724 NetworkClientSocket *cs;
01725 FOR_ALL_CLIENT_SOCKETS(cs) {
01726 int lag = NetworkCalculateLag(cs);
01727 NetworkClientInfo *ci = cs->GetInfo();
01728 const char *status;
01729
01730 status = (cs->status < (ptrdiff_t)lengthof(stat_str) ? stat_str[cs->status] : "unknown");
01731 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' status: '%s' frame-lag: %3d company: %1d IP: %s",
01732 cs->client_id, ci->client_name, status, lag,
01733 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01734 GetClientIP(ci));
01735 }
01736 }
01737
01741 void NetworkServerSendConfigUpdate()
01742 {
01743 NetworkClientSocket *cs;
01744
01745 FOR_ALL_CLIENT_SOCKETS(cs) {
01746 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
01747 }
01748 }
01749
01750 void NetworkServerUpdateCompanyPassworded(CompanyID company_id, bool passworded)
01751 {
01752 if (NetworkCompanyIsPassworded(company_id) == passworded) return;
01753
01754 SB(_network_company_passworded, company_id, 1, !!passworded);
01755 SetWindowClassesDirty(WC_COMPANY);
01756
01757 NetworkClientSocket *cs;
01758 FOR_ALL_CLIENT_SOCKETS(cs) {
01759 SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
01760 }
01761 }
01762
01769 void NetworkServerDoMove(ClientID client_id, CompanyID company_id)
01770 {
01771
01772 if (client_id == CLIENT_ID_SERVER && _network_dedicated) return;
01773
01774 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01775
01776
01777 if (ci->client_playas == company_id) return;
01778
01779 ci->client_playas = company_id;
01780
01781 if (client_id == CLIENT_ID_SERVER) {
01782 SetLocalCompany(company_id);
01783 } else {
01784 SEND_COMMAND(PACKET_SERVER_MOVE)(NetworkFindClientStateFromClientID(client_id), client_id, company_id);
01785 }
01786
01787
01788 NetworkUpdateClientInfo(client_id);
01789
01790 NetworkAction action = (company_id == COMPANY_SPECTATOR) ? NETWORK_ACTION_COMPANY_SPECTATOR : NETWORK_ACTION_COMPANY_JOIN;
01791 NetworkServerSendChat(action, DESTTYPE_BROADCAST, 0, "", client_id, company_id + 1);
01792 }
01793
01794 void NetworkServerSendRcon(ClientID client_id, ConsoleColour colour_code, const char *string)
01795 {
01796 SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromClientID(client_id), colour_code, string);
01797 }
01798
01799 void NetworkServerSendError(ClientID client_id, NetworkErrorCode error)
01800 {
01801 SEND_COMMAND(PACKET_SERVER_ERROR)(NetworkFindClientStateFromClientID(client_id), error);
01802 }
01803
01804 void NetworkServerKickClient(ClientID client_id)
01805 {
01806 if (client_id == CLIENT_ID_SERVER) return;
01807 NetworkServerSendError(client_id, NETWORK_ERROR_KICKED);
01808 }
01809
01810 uint NetworkServerKickOrBanIP(const char *ip, bool ban)
01811 {
01812
01813 if (ban) *_network_ban_list.Append() = strdup(ip);
01814
01815 uint n = 0;
01816
01817
01818 NetworkClientInfo *ci;
01819 FOR_ALL_CLIENT_INFOS(ci) {
01820 if (ci->client_id == CLIENT_ID_SERVER) continue;
01821 if (ci->client_address.IsInNetmask(const_cast<char *>(ip))) {
01822 NetworkServerKickClient(ci->client_id);
01823 n++;
01824 }
01825 }
01826
01827 return n;
01828 }
01829
01830 bool NetworkCompanyHasClients(CompanyID company)
01831 {
01832 const NetworkClientInfo *ci;
01833 FOR_ALL_CLIENT_INFOS(ci) {
01834 if (ci->client_playas == company) return true;
01835 }
01836 return false;
01837 }
01838
01839 #endif