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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 cs->Send_Packets();
00416 if (cs->IsPacketQueueEmpty()) {
00417
00418 sent_packets *= 2;
00419 } else {
00420
00421 if (sent_packets > 1) sent_packets /= 2;
00422 }
00423 }
00424 return NETWORK_RECV_STATUS_OKAY;
00425 }
00426
00427 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_JOIN)(NetworkClientSocket *cs, ClientID client_id)
00428 {
00429
00430
00431
00432
00433
00434
00435
00436
00437
00438 Packet *p = new Packet(PACKET_SERVER_JOIN);
00439
00440 p->Send_uint32(client_id);
00441
00442 cs->Send_Packet(p);
00443 return NETWORK_RECV_STATUS_OKAY;
00444 }
00445
00446
00447 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_FRAME)
00448 {
00449
00450
00451
00452
00453
00454
00455
00456
00457
00458
00459
00460 Packet *p = new Packet(PACKET_SERVER_FRAME);
00461 p->Send_uint32(_frame_counter);
00462 p->Send_uint32(_frame_counter_max);
00463 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00464 p->Send_uint32(_sync_seed_1);
00465 #ifdef NETWORK_SEND_DOUBLE_SEED
00466 p->Send_uint32(_sync_seed_2);
00467 #endif
00468 #endif
00469 cs->Send_Packet(p);
00470 return NETWORK_RECV_STATUS_OKAY;
00471 }
00472
00473 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SYNC)
00474 {
00475
00476
00477
00478
00479
00480
00481
00482
00483
00484
00485 Packet *p = new Packet(PACKET_SERVER_SYNC);
00486 p->Send_uint32(_frame_counter);
00487 p->Send_uint32(_sync_seed_1);
00488
00489 #ifdef NETWORK_SEND_DOUBLE_SEED
00490 p->Send_uint32(_sync_seed_2);
00491 #endif
00492 cs->Send_Packet(p);
00493 return NETWORK_RECV_STATUS_OKAY;
00494 }
00495
00496 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMMAND)(NetworkClientSocket *cs, const CommandPacket *cp)
00497 {
00498
00499
00500
00501
00502
00503
00504
00505
00506
00507
00508
00509
00510
00511
00512 Packet *p = new Packet(PACKET_SERVER_COMMAND);
00513
00514 cs->Send_Command(p, cp);
00515 p->Send_uint32(cp->frame);
00516 p->Send_bool (cp->my_cmd);
00517
00518 cs->Send_Packet(p);
00519 return NETWORK_RECV_STATUS_OKAY;
00520 }
00521
00522 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_CHAT)(NetworkClientSocket *cs, NetworkAction action, ClientID client_id, bool self_send, const char *msg, int64 data)
00523 {
00524
00525
00526
00527
00528
00529
00530
00531
00532
00533
00534 Packet *p = new Packet(PACKET_SERVER_CHAT);
00535
00536 p->Send_uint8 (action);
00537 p->Send_uint32(client_id);
00538 p->Send_bool (self_send);
00539 p->Send_string(msg);
00540 p->Send_uint64(data);
00541
00542 cs->Send_Packet(p);
00543 return NETWORK_RECV_STATUS_OKAY;
00544 }
00545
00546 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_ERROR_QUIT)(NetworkClientSocket *cs, ClientID client_id, NetworkErrorCode errorno)
00547 {
00548
00549
00550
00551
00552
00553
00554
00555
00556
00557 Packet *p = new Packet(PACKET_SERVER_ERROR_QUIT);
00558
00559 p->Send_uint32(client_id);
00560 p->Send_uint8 (errorno);
00561
00562 cs->Send_Packet(p);
00563 return NETWORK_RECV_STATUS_OKAY;
00564 }
00565
00566 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_QUIT)(NetworkClientSocket *cs, ClientID client_id)
00567 {
00568
00569
00570
00571
00572
00573
00574
00575
00576 Packet *p = new Packet(PACKET_SERVER_QUIT);
00577
00578 p->Send_uint32(client_id);
00579
00580 cs->Send_Packet(p);
00581 return NETWORK_RECV_STATUS_OKAY;
00582 }
00583
00584 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_SHUTDOWN)
00585 {
00586
00587
00588
00589
00590
00591
00592
00593 Packet *p = new Packet(PACKET_SERVER_SHUTDOWN);
00594 cs->Send_Packet(p);
00595 return NETWORK_RECV_STATUS_OKAY;
00596 }
00597
00598 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_NEWGAME)
00599 {
00600
00601
00602
00603
00604
00605
00606
00607 Packet *p = new Packet(PACKET_SERVER_NEWGAME);
00608 cs->Send_Packet(p);
00609 return NETWORK_RECV_STATUS_OKAY;
00610 }
00611
00612 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_RCON)(NetworkClientSocket *cs, uint16 colour, const char *command)
00613 {
00614 Packet *p = new Packet(PACKET_SERVER_RCON);
00615
00616 p->Send_uint16(colour);
00617 p->Send_string(command);
00618 cs->Send_Packet(p);
00619 return NETWORK_RECV_STATUS_OKAY;
00620 }
00621
00622 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_MOVE)(NetworkClientSocket *cs, ClientID client_id, CompanyID company_id)
00623 {
00624 Packet *p = new Packet(PACKET_SERVER_MOVE);
00625
00626 p->Send_uint32(client_id);
00627 p->Send_uint8(company_id);
00628 cs->Send_Packet(p);
00629 return NETWORK_RECV_STATUS_OKAY;
00630 }
00631
00632 DEF_SERVER_SEND_COMMAND_PARAM(PACKET_SERVER_COMPANY_UPDATE)(NetworkClientSocket *cs)
00633 {
00634 Packet *p = new Packet(PACKET_SERVER_COMPANY_UPDATE);
00635
00636 p->Send_uint16(_network_company_passworded);
00637 cs->Send_Packet(p);
00638 return NETWORK_RECV_STATUS_OKAY;
00639 }
00640
00641 DEF_SERVER_SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00642 {
00643 Packet *p = new Packet(PACKET_SERVER_CONFIG_UPDATE);
00644
00645 p->Send_uint8(_settings_client.network.max_companies);
00646 p->Send_uint8(_settings_client.network.max_spectators);
00647 cs->Send_Packet(p);
00648 return NETWORK_RECV_STATUS_OKAY;
00649 }
00650
00651
00652
00653
00654
00655
00656 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00657 {
00658 return SEND_COMMAND(PACKET_SERVER_COMPANY_INFO)(cs);
00659 }
00660
00661 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00662 {
00663 if (cs->status != STATUS_NEWGRFS_CHECK) {
00664
00665 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00666 }
00667
00668 NetworkClientInfo *ci = cs->GetInfo();
00669
00670
00671 if (!StrEmpty(_settings_client.network.server_password)) {
00672 return SEND_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)(cs);
00673 }
00674
00675 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00676 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00677 }
00678
00679 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00680 }
00681
00682 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
00683 {
00684 if (cs->status != STATUS_INACTIVE) {
00685
00686 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00687 }
00688
00689 char name[NETWORK_CLIENT_NAME_LENGTH];
00690 NetworkClientInfo *ci;
00691 CompanyID playas;
00692 NetworkLanguage client_lang;
00693 char client_revision[NETWORK_REVISION_LENGTH];
00694
00695 p->Recv_string(client_revision, sizeof(client_revision));
00696
00697
00698 if (!IsNetworkCompatibleVersion(client_revision)) {
00699
00700 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_REVISION);
00701 }
00702
00703 p->Recv_string(name, sizeof(name));
00704 playas = (Owner)p->Recv_uint8();
00705 client_lang = (NetworkLanguage)p->Recv_uint8();
00706
00707 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00708
00709
00710 switch (playas) {
00711 case COMPANY_NEW_COMPANY:
00712 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00713 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00714 }
00715 break;
00716 case COMPANY_SPECTATOR:
00717 if (NetworkSpectatorCount() >= _settings_client.network.max_spectators) {
00718 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
00719 }
00720 break;
00721 default:
00722 if (!Company::IsValidHumanID(playas)) {
00723 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00724 }
00725 break;
00726 }
00727
00728
00729 if (StrEmpty(name)) strecpy(name, "Player", lastof(name));
00730
00731 if (!NetworkFindName(name)) {
00732
00733 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NAME_IN_USE);
00734 }
00735
00736 ci = cs->GetInfo();
00737
00738 strecpy(ci->client_name, name, lastof(ci->client_name));
00739 ci->client_playas = playas;
00740 ci->client_lang = client_lang;
00741 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, ci->index);
00742
00743
00744 if (Company::IsValidID(playas)) _network_company_states[playas].months_empty = 0;
00745
00746 cs->status = STATUS_NEWGRFS_CHECK;
00747
00748 if (_grfconfig == NULL) {
00749
00750 return RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)(cs, NULL);
00751 }
00752
00753 return SEND_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)(cs);
00754 }
00755
00756 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00757 {
00758 if (cs->status != STATUS_AUTH_GAME) {
00759 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00760 }
00761
00762 char password[NETWORK_PASSWORD_LENGTH];
00763 p->Recv_string(password, sizeof(password));
00764
00765
00766 if (!StrEmpty(_settings_client.network.server_password) &&
00767 strcmp(password, _settings_client.network.server_password) != 0) {
00768
00769 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00770 }
00771
00772 const NetworkClientInfo *ci = cs->GetInfo();
00773 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00774 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00775 }
00776
00777
00778 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00779 }
00780
00781 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00782 {
00783 if (cs->status != STATUS_AUTH_COMPANY) {
00784 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00785 }
00786
00787 char password[NETWORK_PASSWORD_LENGTH];
00788 p->Recv_string(password, sizeof(password));
00789
00790
00791
00792
00793 CompanyID playas = cs->GetInfo()->client_playas;
00794 if (Company::IsValidID(playas) && !StrEmpty(_network_company_states[playas].password) &&
00795 strcmp(password, _network_company_states[playas].password) != 0) {
00796
00797 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00798 }
00799
00800 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00801 }
00802
00803 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00804 {
00805 NetworkClientSocket *new_cs;
00806
00807
00808
00809
00810
00811
00812
00813
00814 if (HasBit(_openttd_newgrf_version, 19)) {
00815 if (_openttd_newgrf_version != p->Recv_uint32()) {
00816
00817
00818 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00819 }
00820 } else if (p->size != 3) {
00821
00822
00823 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00824 }
00825
00826
00827
00828 if (cs->status < STATUS_AUTHORIZED || cs->HasClientQuit()) {
00829 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00830 }
00831
00832
00833 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00834 if (new_cs->status == STATUS_MAP) {
00835
00836 cs->status = STATUS_MAP_WAIT;
00837 return SEND_COMMAND(PACKET_SERVER_WAIT)(cs);
00838 }
00839 }
00840
00841
00842 return SEND_COMMAND(PACKET_SERVER_MAP)(cs);
00843 }
00844
00845 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00846 {
00847
00848 if (cs->status == STATUS_DONE_MAP && !cs->HasClientQuit()) {
00849 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00850 NetworkClientSocket *new_cs;
00851
00852 NetworkGetClientName(client_name, sizeof(client_name), cs);
00853
00854 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, client_name, NULL, cs->client_id);
00855
00856
00857
00858 cs->status = STATUS_PRE_ACTIVE;
00859 NetworkHandleCommandQueue(cs);
00860 SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
00861 SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
00862
00863
00864
00865 cs->last_frame = _frame_counter;
00866 cs->last_frame_server = _frame_counter;
00867
00868 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00869 if (new_cs->status > STATUS_AUTHORIZED) {
00870 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(new_cs, cs->GetInfo());
00871 SEND_COMMAND(PACKET_SERVER_JOIN)(new_cs, cs->client_id);
00872 }
00873 }
00874
00875
00876 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
00877
00878
00879 return SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
00880 }
00881
00882
00883 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00884 }
00885
00890 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00891 {
00892 NetworkClientSocket *new_cs;
00893
00894
00895
00896 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00897 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00898 }
00899
00900 CommandPacket cp;
00901 const char *err = cs->Recv_Command(p, &cp);
00902
00903 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00904
00905 NetworkClientInfo *ci = cs->GetInfo();
00906
00907 if (err != NULL) {
00908 IConsolePrintF(CC_ERROR, "WARNING: %s from client %d (IP: %s).", err, ci->client_id, GetClientIP(ci));
00909 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00910 }
00911
00912
00913 if ((GetCommandFlags(cp.cmd) & CMD_SERVER) && ci->client_id != CLIENT_ID_SERVER) {
00914 IConsolePrintF(CC_ERROR, "WARNING: server only command from: client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00915 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00916 }
00917
00918 if ((GetCommandFlags(cp.cmd) & CMD_SPECTATOR) == 0 && !Company::IsValidID(cp.company) && ci->client_id != CLIENT_ID_SERVER) {
00919 IConsolePrintF(CC_ERROR, "WARNING: spectator issueing command from client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00920 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00921 }
00922
00927 if (!(cp.cmd == CMD_COMPANY_CTRL && cp.p1 == 0 && ci->client_playas == COMPANY_NEW_COMPANY) && ci->client_playas != cp.company) {
00928 IConsolePrintF(CC_ERROR, "WARNING: client %d (IP: %s) tried to execute a command as company %d, kicking...",
00929 ci->client_playas + 1, GetClientIP(ci), cp.company + 1);
00930 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00931 }
00932
00938 if (cp.cmd == CMD_COMPANY_CTRL) {
00939 if (cp.p1 != 0 || cp.company != COMPANY_SPECTATOR) {
00940 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
00941 }
00942
00943
00944 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00945 NetworkServerSendChat(NETWORK_ACTION_SERVER_MESSAGE, DESTTYPE_CLIENT, ci->client_id, "cannot create new company, server full", CLIENT_ID_SERVER);
00946 return NETWORK_RECV_STATUS_OKAY;
00947 }
00948
00949 cp.p2 = cs->client_id;
00950 }
00951
00952
00953
00954 cp.frame = _frame_counter_max + 1;
00955 cp.next = NULL;
00956
00957 CommandCallback *callback = cp.callback;
00958
00959
00960
00961 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00962 if (new_cs->status >= STATUS_MAP) {
00963
00964
00965 cp.callback = (new_cs != cs) ? NULL : callback;
00966 cp.my_cmd = (new_cs == cs);
00967 NetworkAddCommandQueue(cp, new_cs);
00968 }
00969 }
00970
00971 cp.callback = NULL;
00972 cp.my_cmd = false;
00973 NetworkAddCommandQueue(cp);
00974 return NETWORK_RECV_STATUS_OKAY;
00975 }
00976
00977 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00978 {
00979
00980
00981 NetworkClientSocket *new_cs;
00982 char str[100];
00983 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00984 NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();
00985
00986
00987 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00988 cs->CloseConnection();
00989 return NETWORK_RECV_STATUS_CONN_LOST;
00990 }
00991
00992 NetworkGetClientName(client_name, sizeof(client_name), cs);
00993
00994 StringID strid = GetNetworkErrorMsg(errorno);
00995 GetString(str, strid, lastof(str));
00996
00997 DEBUG(net, 2, "'%s' reported an error and is closing its connection (%s)", client_name, str);
00998
00999 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
01000
01001 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01002 if (new_cs->status > STATUS_AUTHORIZED) {
01003 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, errorno);
01004 }
01005 }
01006
01007 cs->CloseConnection(false);
01008 return NETWORK_RECV_STATUS_CONN_LOST;
01009 }
01010
01011 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
01012 {
01013
01014
01015 NetworkClientSocket *new_cs;
01016 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01017
01018
01019 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
01020 cs->CloseConnection();
01021 return NETWORK_RECV_STATUS_CONN_LOST;
01022 }
01023
01024 NetworkGetClientName(client_name, sizeof(client_name), cs);
01025
01026 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01027
01028 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01029 if (new_cs->status > STATUS_AUTHORIZED) {
01030 SEND_COMMAND(PACKET_SERVER_QUIT)(new_cs, cs->client_id);
01031 }
01032 }
01033
01034 cs->CloseConnection(false);
01035 return NETWORK_RECV_STATUS_CONN_LOST;
01036 }
01037
01038 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
01039 {
01040 if (cs->status < STATUS_AUTHORIZED) {
01041
01042 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01043 }
01044
01045 uint32 frame = p->Recv_uint32();
01046
01047
01048 if (cs->status == STATUS_PRE_ACTIVE) {
01049
01050 if (frame + DAY_TICKS < _frame_counter) return NETWORK_RECV_STATUS_OKAY;
01051
01052
01053 cs->status = STATUS_ACTIVE;
01054
01055
01056 IConsoleCmdExec("exec scripts/on_server_connect.scr 0");
01057 }
01058
01059
01060 cs->last_frame = frame;
01061
01062 cs->last_frame_server = _frame_counter;
01063 return NETWORK_RECV_STATUS_OKAY;
01064 }
01065
01066
01067
01068 void NetworkServerSendChat(NetworkAction action, DestType desttype, int dest, const char *msg, ClientID from_id, int64 data)
01069 {
01070 NetworkClientSocket *cs;
01071 const NetworkClientInfo *ci, *ci_own, *ci_to;
01072
01073 switch (desttype) {
01074 case DESTTYPE_CLIENT:
01075
01076 if ((ClientID)dest == CLIENT_ID_SERVER) {
01077 ci = NetworkFindClientInfoFromClientID(from_id);
01078
01079 if (ci != NULL)
01080 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01081 } else {
01082
01083 FOR_ALL_CLIENT_SOCKETS(cs) {
01084 if (cs->client_id == (ClientID)dest) {
01085 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01086 break;
01087 }
01088 }
01089 }
01090
01091
01092 if (from_id != (ClientID)dest) {
01093 if (from_id == CLIENT_ID_SERVER) {
01094 ci = NetworkFindClientInfoFromClientID(from_id);
01095 ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
01096 if (ci != NULL && ci_to != NULL)
01097 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
01098 } else {
01099 FOR_ALL_CLIENT_SOCKETS(cs) {
01100 if (cs->client_id == from_id) {
01101 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, (ClientID)dest, true, msg, data);
01102 break;
01103 }
01104 }
01105 }
01106 }
01107 break;
01108 case DESTTYPE_TEAM: {
01109
01110 bool show_local = true;
01111
01112 ci_to = NULL;
01113 FOR_ALL_CLIENT_SOCKETS(cs) {
01114 ci = cs->GetInfo();
01115 if (ci->client_playas == (CompanyID)dest) {
01116 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01117 if (cs->client_id == from_id) show_local = false;
01118 ci_to = ci;
01119 }
01120 }
01121
01122 ci = NetworkFindClientInfoFromClientID(from_id);
01123 ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01124 if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
01125 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01126 if (from_id == CLIENT_ID_SERVER) show_local = false;
01127 ci_to = ci_own;
01128 }
01129
01130
01131 if (ci_to == NULL) break;
01132
01133
01134 if (ci != NULL && show_local) {
01135 if (from_id == CLIENT_ID_SERVER) {
01136 char name[NETWORK_NAME_LENGTH];
01137 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
01138 SetDParam(0, ci_to->client_playas);
01139 GetString(name, str, lastof(name));
01140 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
01141 } else {
01142 FOR_ALL_CLIENT_SOCKETS(cs) {
01143 if (cs->client_id == from_id) {
01144 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, ci_to->client_id, true, msg, data);
01145 }
01146 }
01147 }
01148 }
01149 }
01150 break;
01151 default:
01152 DEBUG(net, 0, "[server] received unknown chat destination type %d. Doing broadcast instead", desttype);
01153
01154 case DESTTYPE_BROADCAST:
01155 FOR_ALL_CLIENT_SOCKETS(cs) {
01156 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01157 }
01158 ci = NetworkFindClientInfoFromClientID(from_id);
01159 if (ci != NULL)
01160 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01161 break;
01162 }
01163 }
01164
01165 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
01166 {
01167 if (cs->status < STATUS_AUTHORIZED) {
01168
01169 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01170 }
01171
01172 NetworkAction action = (NetworkAction)p->Recv_uint8();
01173 DestType desttype = (DestType)p->Recv_uint8();
01174 int dest = p->Recv_uint32();
01175 char msg[NETWORK_CHAT_LENGTH];
01176
01177 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
01178 int64 data = p->Recv_uint64();
01179
01180 NetworkClientInfo *ci = cs->GetInfo();
01181 switch (action) {
01182 case NETWORK_ACTION_GIVE_MONEY:
01183 if (!Company::IsValidID(ci->client_playas)) break;
01184
01185 case NETWORK_ACTION_CHAT:
01186 case NETWORK_ACTION_CHAT_CLIENT:
01187 case NETWORK_ACTION_CHAT_COMPANY:
01188 NetworkServerSendChat(action, desttype, dest, msg, cs->client_id, data);
01189 break;
01190 default:
01191 IConsolePrintF(CC_ERROR, "WARNING: invalid chat action from client %d (IP: %s).", ci->client_id, GetClientIP(ci));
01192 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01193 break;
01194 }
01195 return NETWORK_RECV_STATUS_OKAY;
01196 }
01197
01198 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
01199 {
01200 if (cs->status != STATUS_ACTIVE) {
01201
01202 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01203 }
01204
01205 char password[NETWORK_PASSWORD_LENGTH];
01206 const NetworkClientInfo *ci;
01207
01208 p->Recv_string(password, sizeof(password));
01209 ci = cs->GetInfo();
01210
01211 if (Company::IsValidID(ci->client_playas)) {
01212 strecpy(_network_company_states[ci->client_playas].password, password, lastof(_network_company_states[ci->client_playas].password));
01213 NetworkServerUpdateCompanyPassworded(ci->client_playas, !StrEmpty(_network_company_states[ci->client_playas].password));
01214 }
01215 return NETWORK_RECV_STATUS_OKAY;
01216 }
01217
01218 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
01219 {
01220 if (cs->status != STATUS_ACTIVE) {
01221
01222 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01223 }
01224
01225 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01226 NetworkClientInfo *ci;
01227
01228 p->Recv_string(client_name, sizeof(client_name));
01229 ci = cs->GetInfo();
01230
01231 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
01232
01233 if (ci != NULL) {
01234
01235 if (NetworkFindName(client_name)) {
01236 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name);
01237 strecpy(ci->client_name, client_name, lastof(ci->client_name));
01238 NetworkUpdateClientInfo(ci->client_id);
01239 }
01240 }
01241 return NETWORK_RECV_STATUS_OKAY;
01242 }
01243
01244 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
01245 {
01246 char pass[NETWORK_PASSWORD_LENGTH];
01247 char command[NETWORK_RCONCOMMAND_LENGTH];
01248
01249 if (StrEmpty(_settings_client.network.rcon_password)) return NETWORK_RECV_STATUS_OKAY;
01250
01251 p->Recv_string(pass, sizeof(pass));
01252 p->Recv_string(command, sizeof(command));
01253
01254 if (strcmp(pass, _settings_client.network.rcon_password) != 0) {
01255 DEBUG(net, 0, "[rcon] wrong password from client-id %d", cs->client_id);
01256 return NETWORK_RECV_STATUS_OKAY;
01257 }
01258
01259 DEBUG(net, 0, "[rcon] client-id %d executed: '%s'", cs->client_id, command);
01260
01261 _redirect_console_to_client = cs->client_id;
01262 IConsoleCmdExec(command);
01263 _redirect_console_to_client = INVALID_CLIENT_ID;
01264 return NETWORK_RECV_STATUS_OKAY;
01265 }
01266
01267 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
01268 {
01269 CompanyID company_id = (Owner)p->Recv_uint8();
01270
01271
01272 if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;
01273
01274
01275 if (company_id != COMPANY_SPECTATOR && !StrEmpty(_network_company_states[company_id].password)) {
01276
01277 char password[NETWORK_PASSWORD_LENGTH];
01278 p->Recv_string(password, sizeof(password));
01279
01280
01281 if (strcmp(password, _network_company_states[company_id].password) != 0) {
01282 DEBUG(net, 2, "[move] wrong password from client-id #%d for company #%d", cs->client_id, company_id + 1);
01283 return NETWORK_RECV_STATUS_OKAY;
01284 }
01285 }
01286
01287
01288 NetworkServerDoMove(cs->client_id, company_id);
01289 return NETWORK_RECV_STATUS_OKAY;
01290 }
01291
01292
01293 typedef NetworkRecvStatus NetworkServerPacket(NetworkClientSocket *cs, Packet *p);
01294
01295
01296
01297
01298
01299
01300 static NetworkServerPacket * const _network_server_packet[] = {
01301 NULL,
01302 NULL,
01303 RECEIVE_COMMAND(PACKET_CLIENT_JOIN),
01304 NULL,
01305 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO),
01306 NULL,
01307 NULL,
01308 NULL,
01309 NULL,
01310 RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD),
01311 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD),
01312 NULL,
01313 RECEIVE_COMMAND(PACKET_CLIENT_GETMAP),
01314 NULL,
01315 NULL,
01316 RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK),
01317 NULL,
01318 NULL,
01319 NULL,
01320 RECEIVE_COMMAND(PACKET_CLIENT_ACK),
01321 RECEIVE_COMMAND(PACKET_CLIENT_COMMAND),
01322 NULL,
01323 RECEIVE_COMMAND(PACKET_CLIENT_CHAT),
01324 NULL,
01325 RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD),
01326 RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME),
01327 RECEIVE_COMMAND(PACKET_CLIENT_QUIT),
01328 RECEIVE_COMMAND(PACKET_CLIENT_ERROR),
01329 NULL,
01330 NULL,
01331 NULL,
01332 NULL,
01333 NULL,
01334 RECEIVE_COMMAND(PACKET_CLIENT_RCON),
01335 NULL,
01336 RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED),
01337 NULL,
01338 RECEIVE_COMMAND(PACKET_CLIENT_MOVE),
01339 NULL,
01340 NULL,
01341 };
01342
01343
01344 assert_compile(lengthof(_network_server_packet) == PACKET_END);
01345
01346 void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
01347 {
01348
01349 char company_name[NETWORK_COMPANY_NAME_LENGTH];
01350 SetDParam(0, c->index);
01351 GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
01352
01353
01354 Money income = 0;
01355 if (_cur_year - 1 == c->inaugurated_year) {
01356
01357 for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
01358 income -= c->yearly_expenses[2][i];
01359 }
01360 } else {
01361 for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
01362 income -= c->yearly_expenses[1][i];
01363 }
01364 }
01365
01366
01367 p->Send_uint8 (c->index);
01368 p->Send_string(company_name);
01369 p->Send_uint32(c->inaugurated_year);
01370 p->Send_uint64(c->old_economy[0].company_value);
01371 p->Send_uint64(c->money);
01372 p->Send_uint64(income);
01373 p->Send_uint16(c->old_economy[0].performance_history);
01374
01375
01376 p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
01377
01378 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
01379 p->Send_uint16(stats->num_vehicle[i]);
01380 }
01381
01382 for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
01383 p->Send_uint16(stats->num_station[i]);
01384 }
01385
01386 p->Send_bool(c->is_ai);
01387 }
01388
01393 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats)
01394 {
01395 const Vehicle *v;
01396 const Station *s;
01397
01398 memset(stats, 0, sizeof(*stats) * MAX_COMPANIES);
01399
01400
01401 FOR_ALL_VEHICLES(v) {
01402 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01403 byte type = 0;
01404 switch (v->type) {
01405 case VEH_TRAIN: type = 0; break;
01406 case VEH_ROAD: type = RoadVehicle::From(v)->IsBus() ? 2 : 1; break;
01407 case VEH_AIRCRAFT: type = 3; break;
01408 case VEH_SHIP: type = 4; break;
01409 default: continue;
01410 }
01411 stats[v->owner].num_vehicle[type]++;
01412 }
01413
01414
01415 FOR_ALL_STATIONS(s) {
01416 if (Company::IsValidID(s->owner)) {
01417 NetworkCompanyStats *npi = &stats[s->owner];
01418
01419 if (s->facilities & FACIL_TRAIN) npi->num_station[0]++;
01420 if (s->facilities & FACIL_TRUCK_STOP) npi->num_station[1]++;
01421 if (s->facilities & FACIL_BUS_STOP) npi->num_station[2]++;
01422 if (s->facilities & FACIL_AIRPORT) npi->num_station[3]++;
01423 if (s->facilities & FACIL_DOCK) npi->num_station[4]++;
01424 }
01425 }
01426 }
01427
01428
01429 void NetworkUpdateClientInfo(ClientID client_id)
01430 {
01431 NetworkClientSocket *cs;
01432 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01433
01434 if (ci == NULL) return;
01435
01436 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, client_id);
01437
01438 FOR_ALL_CLIENT_SOCKETS(cs) {
01439 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, ci);
01440 }
01441 }
01442
01443
01444 static void NetworkCheckRestartMap()
01445 {
01446 if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {
01447 DEBUG(net, 0, "Auto-restarting map. Year %d reached", _cur_year);
01448
01449 StartNewGameWithoutGUI(GENERATE_NEW_SEED);
01450 }
01451 }
01452
01453
01454
01455
01456
01457
01458 static void NetworkAutoCleanCompanies()
01459 {
01460 const NetworkClientInfo *ci;
01461 const Company *c;
01462 bool clients_in_company[MAX_COMPANIES];
01463 int vehicles_in_company[MAX_COMPANIES];
01464
01465 if (!_settings_client.network.autoclean_companies) return;
01466
01467 memset(clients_in_company, 0, sizeof(clients_in_company));
01468
01469
01470 FOR_ALL_CLIENT_INFOS(ci) {
01471 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01472 }
01473
01474 if (!_network_dedicated) {
01475 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01476 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01477 }
01478
01479 if (_settings_client.network.autoclean_novehicles != 0) {
01480 memset(vehicles_in_company, 0, sizeof(vehicles_in_company));
01481
01482 const Vehicle *v;
01483 FOR_ALL_VEHICLES(v) {
01484 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01485 vehicles_in_company[v->owner]++;
01486 }
01487 }
01488
01489
01490 FOR_ALL_COMPANIES(c) {
01491
01492 if (c->is_ai) continue;
01493
01494 if (!clients_in_company[c->index]) {
01495
01496 _network_company_states[c->index].months_empty++;
01497
01498
01499 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)) {
01500
01501 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01502 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no password", c->index + 1);
01503 }
01504
01505 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)) {
01506
01507 _network_company_states[c->index].password[0] = '\0';
01508 IConsolePrintF(CC_DEFAULT, "Auto-removed protection from company #%d", c->index + 1);
01509 _network_company_states[c->index].months_empty = 0;
01510 NetworkServerUpdateCompanyPassworded(c->index, false);
01511 }
01512
01513 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) {
01514
01515 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01516 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no vehicles", c->index + 1);
01517 }
01518 } else {
01519
01520 _network_company_states[c->index].months_empty = 0;
01521 }
01522 }
01523 }
01524
01525
01526
01527 bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH])
01528 {
01529 bool found_name = false;
01530 uint number = 0;
01531 char original_name[NETWORK_CLIENT_NAME_LENGTH];
01532
01533
01534 ttd_strlcpy(original_name, new_name, NETWORK_CLIENT_NAME_LENGTH);
01535
01536 while (!found_name) {
01537 const NetworkClientInfo *ci;
01538
01539 found_name = true;
01540 FOR_ALL_CLIENT_INFOS(ci) {
01541 if (strcmp(ci->client_name, new_name) == 0) {
01542
01543 found_name = false;
01544 break;
01545 }
01546 }
01547
01548 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01549 if (ci != NULL) {
01550 if (strcmp(ci->client_name, new_name) == 0) found_name = false;
01551 }
01552
01553 if (!found_name) {
01554
01555
01556
01557 if (number++ > MAX_CLIENTS) break;
01558 snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number);
01559 }
01560 }
01561
01562 return found_name;
01563 }
01564
01571 bool NetworkServerChangeClientName(ClientID client_id, const char *new_name)
01572 {
01573 NetworkClientInfo *ci;
01574
01575 FOR_ALL_CLIENT_INFOS(ci) {
01576 if (strcmp(ci->client_name, new_name) == 0) return false;
01577 }
01578
01579 ci = NetworkFindClientInfoFromClientID(client_id);
01580 if (ci == NULL) return false;
01581
01582 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, true, ci->client_name, new_name);
01583
01584 strecpy(ci->client_name, new_name, lastof(ci->client_name));
01585
01586 NetworkUpdateClientInfo(client_id);
01587 return true;
01588 }
01589
01590
01591 void NetworkServer_ReadPackets(NetworkClientSocket *cs)
01592 {
01593 Packet *p;
01594 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01595
01596 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01597 byte type = p->Recv_uint8();
01598 if (type < PACKET_END && _network_server_packet[type] != NULL && !cs->HasClientQuit()) {
01599 res = _network_server_packet[type](cs, p);
01600 } else {
01601 cs->CloseConnection();
01602 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01603 DEBUG(net, 0, "[server] received invalid packet type %d", type);
01604 }
01605
01606 delete p;
01607 }
01608 }
01609
01610
01611 static void NetworkHandleCommandQueue(NetworkClientSocket *cs)
01612 {
01613 CommandPacket *cp;
01614
01615 while ( (cp = cs->command_queue) != NULL) {
01616 SEND_COMMAND(PACKET_SERVER_COMMAND)(cs, cp);
01617
01618 cs->command_queue = cp->next;
01619 free(cp);
01620 }
01621 }
01622
01623
01624 void NetworkServer_Tick(bool send_frame)
01625 {
01626 NetworkClientSocket *cs;
01627 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01628 bool send_sync = false;
01629 #endif
01630
01631 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01632 if (_frame_counter >= _last_sync_frame + _settings_client.network.sync_freq) {
01633 _last_sync_frame = _frame_counter;
01634 send_sync = true;
01635 }
01636 #endif
01637
01638
01639
01640 FOR_ALL_CLIENT_SOCKETS(cs) {
01641
01642 if (cs->status == STATUS_ACTIVE) {
01643
01644 int lag = NetworkCalculateLag(cs) / DAY_TICKS;
01645 if (lag > 0) {
01646 if (lag > 3) {
01647
01648
01649 IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id);
01650 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01651 continue;
01652 }
01653
01654
01655 if (cs->lag_test == 0) {
01656 IConsolePrintF(CC_WARNING,"[%d] Client #%d is slow, try increasing *net_frame_freq to a higher value!", _frame_counter, cs->client_id);
01657 cs->lag_test = 1;
01658 }
01659 } else {
01660 cs->lag_test = 0;
01661 }
01662 } else if (cs->status == STATUS_PRE_ACTIVE) {
01663 int lag = NetworkCalculateLag(cs);
01664 if (lag > _settings_client.network.max_join_time) {
01665 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);
01666 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01667 }
01668 } else if (cs->status == STATUS_INACTIVE) {
01669 int lag = NetworkCalculateLag(cs);
01670 if (lag > 4 * DAY_TICKS) {
01671 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);
01672 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01673 }
01674 }
01675
01676 if (cs->status >= STATUS_PRE_ACTIVE) {
01677
01678 NetworkHandleCommandQueue(cs);
01679
01680
01681 if (send_frame) SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
01682
01683 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01684
01685 if (send_sync) SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
01686 #endif
01687 }
01688 }
01689
01690
01691 NetworkUDPAdvertise();
01692 }
01693
01694 void NetworkServerYearlyLoop()
01695 {
01696 NetworkCheckRestartMap();
01697 }
01698
01699 void NetworkServerMonthlyLoop()
01700 {
01701 NetworkAutoCleanCompanies();
01702 }
01703
01704 const char *GetClientIP(NetworkClientInfo *ci)
01705 {
01706 return ci->client_address.GetHostname();
01707 }
01708
01709 void NetworkServerShowStatusToConsole()
01710 {
01711 static const char * const stat_str[] = {
01712 "inactive",
01713 "checking NewGRFs",
01714 "authorizing (server password)",
01715 "authorizing (company password)",
01716 "authorized",
01717 "waiting",
01718 "loading map",
01719 "map done",
01720 "ready",
01721 "active"
01722 };
01723 assert_compile(lengthof(stat_str) == STATUS_END);
01724
01725 NetworkClientSocket *cs;
01726 FOR_ALL_CLIENT_SOCKETS(cs) {
01727 int lag = NetworkCalculateLag(cs);
01728 NetworkClientInfo *ci = cs->GetInfo();
01729 const char *status;
01730
01731 status = (cs->status < (ptrdiff_t)lengthof(stat_str) ? stat_str[cs->status] : "unknown");
01732 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' status: '%s' frame-lag: %3d company: %1d IP: %s",
01733 cs->client_id, ci->client_name, status, lag,
01734 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01735 GetClientIP(ci));
01736 }
01737 }
01738
01742 void NetworkServerSendConfigUpdate()
01743 {
01744 NetworkClientSocket *cs;
01745
01746 FOR_ALL_CLIENT_SOCKETS(cs) {
01747 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
01748 }
01749 }
01750
01751 void NetworkServerUpdateCompanyPassworded(CompanyID company_id, bool passworded)
01752 {
01753 if (NetworkCompanyIsPassworded(company_id) == passworded) return;
01754
01755 SB(_network_company_passworded, company_id, 1, !!passworded);
01756 SetWindowClassesDirty(WC_COMPANY);
01757
01758 NetworkClientSocket *cs;
01759 FOR_ALL_CLIENT_SOCKETS(cs) {
01760 SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
01761 }
01762 }
01763
01770 void NetworkServerDoMove(ClientID client_id, CompanyID company_id)
01771 {
01772
01773 if (client_id == CLIENT_ID_SERVER && _network_dedicated) return;
01774
01775 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01776
01777
01778 if (ci->client_playas == company_id) return;
01779
01780 ci->client_playas = company_id;
01781
01782 if (client_id == CLIENT_ID_SERVER) {
01783 SetLocalCompany(company_id);
01784 } else {
01785 SEND_COMMAND(PACKET_SERVER_MOVE)(NetworkFindClientStateFromClientID(client_id), client_id, company_id);
01786 }
01787
01788
01789 NetworkUpdateClientInfo(client_id);
01790
01791 NetworkAction action = (company_id == COMPANY_SPECTATOR) ? NETWORK_ACTION_COMPANY_SPECTATOR : NETWORK_ACTION_COMPANY_JOIN;
01792 NetworkServerSendChat(action, DESTTYPE_BROADCAST, 0, "", client_id, company_id + 1);
01793 }
01794
01795 void NetworkServerSendRcon(ClientID client_id, ConsoleColour colour_code, const char *string)
01796 {
01797 SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromClientID(client_id), colour_code, string);
01798 }
01799
01800 void NetworkServerSendError(ClientID client_id, NetworkErrorCode error)
01801 {
01802 SEND_COMMAND(PACKET_SERVER_ERROR)(NetworkFindClientStateFromClientID(client_id), error);
01803 }
01804
01805 void NetworkServerKickClient(ClientID client_id)
01806 {
01807 if (client_id == CLIENT_ID_SERVER) return;
01808 NetworkServerSendError(client_id, NETWORK_ERROR_KICKED);
01809 }
01810
01811 uint NetworkServerKickOrBanIP(const char *ip, bool ban)
01812 {
01813
01814 if (ban) *_network_ban_list.Append() = strdup(ip);
01815
01816 uint n = 0;
01817
01818
01819 NetworkClientInfo *ci;
01820 FOR_ALL_CLIENT_INFOS(ci) {
01821 if (ci->client_id == CLIENT_ID_SERVER) continue;
01822 if (ci->client_address.IsInNetmask(const_cast<char *>(ip))) {
01823 NetworkServerKickClient(ci->client_id);
01824 n++;
01825 }
01826 }
01827
01828 return n;
01829 }
01830
01831 bool NetworkCompanyHasClients(CompanyID company)
01832 {
01833 const NetworkClientInfo *ci;
01834 FOR_ALL_CLIENT_INFOS(ci) {
01835 if (ci->client_playas == company) return true;
01836 }
01837 return false;
01838 }
01839
01840 #endif