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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_INACTIVE) {
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 if (_grfconfig == NULL) {
00747 return RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)(cs, NULL);
00748 }
00749
00750 return SEND_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)(cs);
00751 }
00752
00753 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD)
00754 {
00755 if (cs->status != STATUS_AUTH_GAME) {
00756 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00757 }
00758
00759 char password[NETWORK_PASSWORD_LENGTH];
00760 p->Recv_string(password, sizeof(password));
00761
00762
00763 if (!StrEmpty(_settings_client.network.server_password) &&
00764 strcmp(password, _settings_client.network.server_password) != 0) {
00765
00766 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00767 }
00768
00769 const NetworkClientInfo *ci = cs->GetInfo();
00770 if (Company::IsValidID(ci->client_playas) && !StrEmpty(_network_company_states[ci->client_playas].password)) {
00771 return SEND_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)(cs);
00772 }
00773
00774
00775 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00776 }
00777
00778 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)
00779 {
00780 if (cs->status != STATUS_AUTH_COMPANY) {
00781 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00782 }
00783
00784 char password[NETWORK_PASSWORD_LENGTH];
00785 p->Recv_string(password, sizeof(password));
00786
00787
00788
00789
00790 CompanyID playas = cs->GetInfo()->client_playas;
00791 if (Company::IsValidID(playas) && !StrEmpty(_network_company_states[playas].password) &&
00792 strcmp(password, _network_company_states[playas].password) != 0) {
00793
00794 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_WRONG_PASSWORD);
00795 }
00796
00797 return SEND_COMMAND(PACKET_SERVER_WELCOME)(cs);
00798 }
00799
00800 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_GETMAP)
00801 {
00802 NetworkClientSocket *new_cs;
00803
00804
00805
00806
00807
00808
00809
00810
00811 if (HasBit(_openttd_newgrf_version, 19)) {
00812 if (_openttd_newgrf_version != p->Recv_uint32()) {
00813
00814
00815 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00816 }
00817 } else if (p->size != 3) {
00818
00819
00820 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00821 }
00822
00823
00824
00825 if (cs->status < STATUS_AUTHORIZED || cs->HasClientQuit()) {
00826 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
00827 }
00828
00829
00830 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00831 if (new_cs->status == STATUS_MAP) {
00832
00833 cs->status = STATUS_MAP_WAIT;
00834 return SEND_COMMAND(PACKET_SERVER_WAIT)(cs);
00835 }
00836 }
00837
00838
00839 return SEND_COMMAND(PACKET_SERVER_MAP)(cs);
00840 }
00841
00842 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK)
00843 {
00844
00845 if (cs->status == STATUS_DONE_MAP && !cs->HasClientQuit()) {
00846 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00847 NetworkClientSocket *new_cs;
00848
00849 NetworkGetClientName(client_name, sizeof(client_name), cs);
00850
00851 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, client_name, NULL, cs->client_id);
00852
00853
00854
00855 cs->status = STATUS_PRE_ACTIVE;
00856 NetworkHandleCommandQueue(cs);
00857 SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
00858 SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
00859
00860
00861
00862 cs->last_frame = _frame_counter;
00863 cs->last_frame_server = _frame_counter;
00864
00865 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00866 if (new_cs->status > STATUS_AUTHORIZED) {
00867 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(new_cs, cs->GetInfo());
00868 SEND_COMMAND(PACKET_SERVER_JOIN)(new_cs, cs->client_id);
00869 }
00870 }
00871
00872
00873 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
00874
00875
00876 return SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
00877 }
00878
00879
00880 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00881 }
00882
00887 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_COMMAND)
00888 {
00889 NetworkClientSocket *new_cs;
00890
00891
00892
00893 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00894 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00895 }
00896
00897 CommandPacket cp;
00898 const char *err = cs->Recv_Command(p, &cp);
00899
00900 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00901
00902 NetworkClientInfo *ci = cs->GetInfo();
00903
00904 if (err != NULL) {
00905 IConsolePrintF(CC_ERROR, "WARNING: %s from client %d (IP: %s).", err, ci->client_id, GetClientIP(ci));
00906 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
00907 }
00908
00909
00910 if ((GetCommandFlags(cp.cmd) & CMD_SERVER) && ci->client_id != CLIENT_ID_SERVER) {
00911 IConsolePrintF(CC_ERROR, "WARNING: server only command from: client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00912 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00913 }
00914
00915 if ((GetCommandFlags(cp.cmd) & CMD_SPECTATOR) == 0 && !Company::IsValidID(cp.company) && ci->client_id != CLIENT_ID_SERVER) {
00916 IConsolePrintF(CC_ERROR, "WARNING: spectator issueing command from client %d (IP: %s), kicking...", ci->client_id, GetClientIP(ci));
00917 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
00918 }
00919
00924 if (!(cp.cmd == CMD_COMPANY_CTRL && cp.p1 == 0 && ci->client_playas == COMPANY_NEW_COMPANY) && ci->client_playas != cp.company) {
00925 IConsolePrintF(CC_ERROR, "WARNING: client %d (IP: %s) tried to execute a command as company %d, kicking...",
00926 ci->client_playas + 1, GetClientIP(ci), cp.company + 1);
00927 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_COMPANY_MISMATCH);
00928 }
00929
00935 if (cp.cmd == CMD_COMPANY_CTRL) {
00936 if (cp.p1 != 0 || cp.company != COMPANY_SPECTATOR) {
00937 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
00938 }
00939
00940
00941 if (Company::GetNumItems() >= _settings_client.network.max_companies) {
00942 NetworkServerSendChat(NETWORK_ACTION_SERVER_MESSAGE, DESTTYPE_CLIENT, ci->client_id, "cannot create new company, server full", CLIENT_ID_SERVER);
00943 return NETWORK_RECV_STATUS_OKAY;
00944 }
00945
00946 cp.p2 = cs->client_id;
00947 }
00948
00949
00950
00951 cp.frame = _frame_counter_max + 1;
00952 cp.next = NULL;
00953
00954 CommandCallback *callback = cp.callback;
00955
00956
00957
00958 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00959 if (new_cs->status >= STATUS_MAP) {
00960
00961
00962 cp.callback = (new_cs != cs) ? NULL : callback;
00963 cp.my_cmd = (new_cs == cs);
00964 NetworkAddCommandQueue(cp, new_cs);
00965 }
00966 }
00967
00968 cp.callback = NULL;
00969 cp.my_cmd = false;
00970 NetworkAddCommandQueue(cp);
00971 return NETWORK_RECV_STATUS_OKAY;
00972 }
00973
00974 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ERROR)
00975 {
00976
00977
00978 NetworkClientSocket *new_cs;
00979 char str[100];
00980 char client_name[NETWORK_CLIENT_NAME_LENGTH];
00981 NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();
00982
00983
00984 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
00985 cs->CloseConnection();
00986 return NETWORK_RECV_STATUS_CONN_LOST;
00987 }
00988
00989 NetworkGetClientName(client_name, sizeof(client_name), cs);
00990
00991 StringID strid = GetNetworkErrorMsg(errorno);
00992 GetString(str, strid, lastof(str));
00993
00994 DEBUG(net, 2, "'%s' reported an error and is closing its connection (%s)", client_name, str);
00995
00996 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, strid);
00997
00998 FOR_ALL_CLIENT_SOCKETS(new_cs) {
00999 if (new_cs->status > STATUS_AUTHORIZED) {
01000 SEND_COMMAND(PACKET_SERVER_ERROR_QUIT)(new_cs, cs->client_id, errorno);
01001 }
01002 }
01003
01004 cs->CloseConnection(false);
01005 return NETWORK_RECV_STATUS_CONN_LOST;
01006 }
01007
01008 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_QUIT)
01009 {
01010
01011
01012 NetworkClientSocket *new_cs;
01013 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01014
01015
01016 if (cs->status < STATUS_DONE_MAP || cs->HasClientQuit()) {
01017 cs->CloseConnection();
01018 return NETWORK_RECV_STATUS_CONN_LOST;
01019 }
01020
01021 NetworkGetClientName(client_name, sizeof(client_name), cs);
01022
01023 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
01024
01025 FOR_ALL_CLIENT_SOCKETS(new_cs) {
01026 if (new_cs->status > STATUS_AUTHORIZED) {
01027 SEND_COMMAND(PACKET_SERVER_QUIT)(new_cs, cs->client_id);
01028 }
01029 }
01030
01031 cs->CloseConnection(false);
01032 return NETWORK_RECV_STATUS_CONN_LOST;
01033 }
01034
01035 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_ACK)
01036 {
01037 if (cs->status < STATUS_AUTHORIZED) {
01038
01039 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01040 }
01041
01042 uint32 frame = p->Recv_uint32();
01043
01044
01045 if (cs->status == STATUS_PRE_ACTIVE) {
01046
01047 if (frame + DAY_TICKS < _frame_counter) return NETWORK_RECV_STATUS_OKAY;
01048
01049
01050 cs->status = STATUS_ACTIVE;
01051
01052
01053 IConsoleCmdExec("exec scripts/on_server_connect.scr 0");
01054 }
01055
01056
01057 cs->last_frame = frame;
01058
01059 cs->last_frame_server = _frame_counter;
01060 return NETWORK_RECV_STATUS_OKAY;
01061 }
01062
01063
01064
01065 void NetworkServerSendChat(NetworkAction action, DestType desttype, int dest, const char *msg, ClientID from_id, int64 data)
01066 {
01067 NetworkClientSocket *cs;
01068 const NetworkClientInfo *ci, *ci_own, *ci_to;
01069
01070 switch (desttype) {
01071 case DESTTYPE_CLIENT:
01072
01073 if ((ClientID)dest == CLIENT_ID_SERVER) {
01074 ci = NetworkFindClientInfoFromClientID(from_id);
01075
01076 if (ci != NULL)
01077 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01078 } else {
01079
01080 FOR_ALL_CLIENT_SOCKETS(cs) {
01081 if (cs->client_id == (ClientID)dest) {
01082 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01083 break;
01084 }
01085 }
01086 }
01087
01088
01089 if (from_id != (ClientID)dest) {
01090 if (from_id == CLIENT_ID_SERVER) {
01091 ci = NetworkFindClientInfoFromClientID(from_id);
01092 ci_to = NetworkFindClientInfoFromClientID((ClientID)dest);
01093 if (ci != NULL && ci_to != NULL)
01094 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), true, ci_to->client_name, msg, data);
01095 } else {
01096 FOR_ALL_CLIENT_SOCKETS(cs) {
01097 if (cs->client_id == from_id) {
01098 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, (ClientID)dest, true, msg, data);
01099 break;
01100 }
01101 }
01102 }
01103 }
01104 break;
01105 case DESTTYPE_TEAM: {
01106
01107 bool show_local = true;
01108
01109 ci_to = NULL;
01110 FOR_ALL_CLIENT_SOCKETS(cs) {
01111 ci = cs->GetInfo();
01112 if (ci->client_playas == (CompanyID)dest) {
01113 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01114 if (cs->client_id == from_id) show_local = false;
01115 ci_to = ci;
01116 }
01117 }
01118
01119 ci = NetworkFindClientInfoFromClientID(from_id);
01120 ci_own = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01121 if (ci != NULL && ci_own != NULL && ci_own->client_playas == dest) {
01122 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01123 if (from_id == CLIENT_ID_SERVER) show_local = false;
01124 ci_to = ci_own;
01125 }
01126
01127
01128 if (ci_to == NULL) break;
01129
01130
01131 if (ci != NULL && show_local) {
01132 if (from_id == CLIENT_ID_SERVER) {
01133 char name[NETWORK_NAME_LENGTH];
01134 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
01135 SetDParam(0, ci_to->client_playas);
01136 GetString(name, str, lastof(name));
01137 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);
01138 } else {
01139 FOR_ALL_CLIENT_SOCKETS(cs) {
01140 if (cs->client_id == from_id) {
01141 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, ci_to->client_id, true, msg, data);
01142 }
01143 }
01144 }
01145 }
01146 }
01147 break;
01148 default:
01149 DEBUG(net, 0, "[server] received unknown chat destination type %d. Doing broadcast instead", desttype);
01150
01151 case DESTTYPE_BROADCAST:
01152 FOR_ALL_CLIENT_SOCKETS(cs) {
01153 SEND_COMMAND(PACKET_SERVER_CHAT)(cs, action, from_id, false, msg, data);
01154 }
01155 ci = NetworkFindClientInfoFromClientID(from_id);
01156 if (ci != NULL)
01157 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);
01158 break;
01159 }
01160 }
01161
01162 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_CHAT)
01163 {
01164 if (cs->status < STATUS_AUTHORIZED) {
01165
01166 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_AUTHORIZED);
01167 }
01168
01169 NetworkAction action = (NetworkAction)p->Recv_uint8();
01170 DestType desttype = (DestType)p->Recv_uint8();
01171 int dest = p->Recv_uint32();
01172 char msg[NETWORK_CHAT_LENGTH];
01173
01174 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
01175 int64 data = p->Recv_uint64();
01176
01177 NetworkClientInfo *ci = cs->GetInfo();
01178 switch (action) {
01179 case NETWORK_ACTION_GIVE_MONEY:
01180 if (!Company::IsValidID(ci->client_playas)) break;
01181
01182 case NETWORK_ACTION_CHAT:
01183 case NETWORK_ACTION_CHAT_CLIENT:
01184 case NETWORK_ACTION_CHAT_COMPANY:
01185 NetworkServerSendChat(action, desttype, dest, msg, cs->client_id, data);
01186 break;
01187 default:
01188 IConsolePrintF(CC_ERROR, "WARNING: invalid chat action from client %d (IP: %s).", ci->client_id, GetClientIP(ci));
01189 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01190 break;
01191 }
01192 return NETWORK_RECV_STATUS_OKAY;
01193 }
01194
01195 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD)
01196 {
01197 if (cs->status != STATUS_ACTIVE) {
01198
01199 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01200 }
01201
01202 char password[NETWORK_PASSWORD_LENGTH];
01203 const NetworkClientInfo *ci;
01204
01205 p->Recv_string(password, sizeof(password));
01206 ci = cs->GetInfo();
01207
01208 if (Company::IsValidID(ci->client_playas)) {
01209 strecpy(_network_company_states[ci->client_playas].password, password, lastof(_network_company_states[ci->client_playas].password));
01210 NetworkServerUpdateCompanyPassworded(ci->client_playas, !StrEmpty(_network_company_states[ci->client_playas].password));
01211 }
01212 return NETWORK_RECV_STATUS_OKAY;
01213 }
01214
01215 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME)
01216 {
01217 if (cs->status != STATUS_ACTIVE) {
01218
01219 return SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
01220 }
01221
01222 char client_name[NETWORK_CLIENT_NAME_LENGTH];
01223 NetworkClientInfo *ci;
01224
01225 p->Recv_string(client_name, sizeof(client_name));
01226 ci = cs->GetInfo();
01227
01228 if (cs->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
01229
01230 if (ci != NULL) {
01231
01232 if (NetworkFindName(client_name)) {
01233 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, client_name);
01234 strecpy(ci->client_name, client_name, lastof(ci->client_name));
01235 NetworkUpdateClientInfo(ci->client_id);
01236 }
01237 }
01238 return NETWORK_RECV_STATUS_OKAY;
01239 }
01240
01241 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_RCON)
01242 {
01243 char pass[NETWORK_PASSWORD_LENGTH];
01244 char command[NETWORK_RCONCOMMAND_LENGTH];
01245
01246 if (StrEmpty(_settings_client.network.rcon_password)) return NETWORK_RECV_STATUS_OKAY;
01247
01248 p->Recv_string(pass, sizeof(pass));
01249 p->Recv_string(command, sizeof(command));
01250
01251 if (strcmp(pass, _settings_client.network.rcon_password) != 0) {
01252 DEBUG(net, 0, "[rcon] wrong password from client-id %d", cs->client_id);
01253 return NETWORK_RECV_STATUS_OKAY;
01254 }
01255
01256 DEBUG(net, 0, "[rcon] client-id %d executed: '%s'", cs->client_id, command);
01257
01258 _redirect_console_to_client = cs->client_id;
01259 IConsoleCmdExec(command);
01260 _redirect_console_to_client = INVALID_CLIENT_ID;
01261 return NETWORK_RECV_STATUS_OKAY;
01262 }
01263
01264 DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_MOVE)
01265 {
01266 CompanyID company_id = (Owner)p->Recv_uint8();
01267
01268
01269 if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;
01270
01271
01272 if (company_id != COMPANY_SPECTATOR && !StrEmpty(_network_company_states[company_id].password)) {
01273
01274 char password[NETWORK_PASSWORD_LENGTH];
01275 p->Recv_string(password, sizeof(password));
01276
01277
01278 if (strcmp(password, _network_company_states[company_id].password) != 0) {
01279 DEBUG(net, 2, "[move] wrong password from client-id #%d for company #%d", cs->client_id, company_id + 1);
01280 return NETWORK_RECV_STATUS_OKAY;
01281 }
01282 }
01283
01284
01285 NetworkServerDoMove(cs->client_id, company_id);
01286 return NETWORK_RECV_STATUS_OKAY;
01287 }
01288
01289
01290 typedef NetworkRecvStatus NetworkServerPacket(NetworkClientSocket *cs, Packet *p);
01291
01292
01293
01294
01295
01296
01297 static NetworkServerPacket * const _network_server_packet[] = {
01298 NULL,
01299 NULL,
01300 RECEIVE_COMMAND(PACKET_CLIENT_JOIN),
01301 NULL,
01302 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_INFO),
01303 NULL,
01304 NULL,
01305 NULL,
01306 NULL,
01307 RECEIVE_COMMAND(PACKET_CLIENT_GAME_PASSWORD),
01308 RECEIVE_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD),
01309 NULL,
01310 RECEIVE_COMMAND(PACKET_CLIENT_GETMAP),
01311 NULL,
01312 NULL,
01313 RECEIVE_COMMAND(PACKET_CLIENT_MAP_OK),
01314 NULL,
01315 NULL,
01316 NULL,
01317 RECEIVE_COMMAND(PACKET_CLIENT_ACK),
01318 RECEIVE_COMMAND(PACKET_CLIENT_COMMAND),
01319 NULL,
01320 RECEIVE_COMMAND(PACKET_CLIENT_CHAT),
01321 NULL,
01322 RECEIVE_COMMAND(PACKET_CLIENT_SET_PASSWORD),
01323 RECEIVE_COMMAND(PACKET_CLIENT_SET_NAME),
01324 RECEIVE_COMMAND(PACKET_CLIENT_QUIT),
01325 RECEIVE_COMMAND(PACKET_CLIENT_ERROR),
01326 NULL,
01327 NULL,
01328 NULL,
01329 NULL,
01330 NULL,
01331 RECEIVE_COMMAND(PACKET_CLIENT_RCON),
01332 NULL,
01333 RECEIVE_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED),
01334 NULL,
01335 RECEIVE_COMMAND(PACKET_CLIENT_MOVE),
01336 NULL,
01337 NULL,
01338 };
01339
01340
01341 assert_compile(lengthof(_network_server_packet) == PACKET_END);
01342
01343 void NetworkSocketHandler::Send_CompanyInformation(Packet *p, const Company *c, const NetworkCompanyStats *stats)
01344 {
01345
01346 char company_name[NETWORK_COMPANY_NAME_LENGTH];
01347 SetDParam(0, c->index);
01348 GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
01349
01350
01351 Money income = 0;
01352 if (_cur_year - 1 == c->inaugurated_year) {
01353
01354 for (uint i = 0; i < lengthof(c->yearly_expenses[2]); i++) {
01355 income -= c->yearly_expenses[2][i];
01356 }
01357 } else {
01358 for (uint i = 0; i < lengthof(c->yearly_expenses[1]); i++) {
01359 income -= c->yearly_expenses[1][i];
01360 }
01361 }
01362
01363
01364 p->Send_uint8 (c->index);
01365 p->Send_string(company_name);
01366 p->Send_uint32(c->inaugurated_year);
01367 p->Send_uint64(c->old_economy[0].company_value);
01368 p->Send_uint64(c->money);
01369 p->Send_uint64(income);
01370 p->Send_uint16(c->old_economy[0].performance_history);
01371
01372
01373 p->Send_bool (!StrEmpty(_network_company_states[c->index].password));
01374
01375 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++) {
01376 p->Send_uint16(stats->num_vehicle[i]);
01377 }
01378
01379 for (int i = 0; i < NETWORK_STATION_TYPES; i++) {
01380 p->Send_uint16(stats->num_station[i]);
01381 }
01382
01383 p->Send_bool(c->is_ai);
01384 }
01385
01390 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats)
01391 {
01392 const Vehicle *v;
01393 const Station *s;
01394
01395 memset(stats, 0, sizeof(*stats) * MAX_COMPANIES);
01396
01397
01398 FOR_ALL_VEHICLES(v) {
01399 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01400 byte type = 0;
01401 switch (v->type) {
01402 case VEH_TRAIN: type = 0; break;
01403 case VEH_ROAD: type = RoadVehicle::From(v)->IsBus() ? 2 : 1; break;
01404 case VEH_AIRCRAFT: type = 3; break;
01405 case VEH_SHIP: type = 4; break;
01406 default: continue;
01407 }
01408 stats[v->owner].num_vehicle[type]++;
01409 }
01410
01411
01412 FOR_ALL_STATIONS(s) {
01413 if (Company::IsValidID(s->owner)) {
01414 NetworkCompanyStats *npi = &stats[s->owner];
01415
01416 if (s->facilities & FACIL_TRAIN) npi->num_station[0]++;
01417 if (s->facilities & FACIL_TRUCK_STOP) npi->num_station[1]++;
01418 if (s->facilities & FACIL_BUS_STOP) npi->num_station[2]++;
01419 if (s->facilities & FACIL_AIRPORT) npi->num_station[3]++;
01420 if (s->facilities & FACIL_DOCK) npi->num_station[4]++;
01421 }
01422 }
01423 }
01424
01425
01426 void NetworkUpdateClientInfo(ClientID client_id)
01427 {
01428 NetworkClientSocket *cs;
01429 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01430
01431 if (ci == NULL) return;
01432
01433 DEBUG(desync, 1, "client: %08x; %02x; %02x; %04x", _date, _date_fract, (int)ci->client_playas, client_id);
01434
01435 FOR_ALL_CLIENT_SOCKETS(cs) {
01436 SEND_COMMAND(PACKET_SERVER_CLIENT_INFO)(cs, ci);
01437 }
01438 }
01439
01440
01441 static void NetworkCheckRestartMap()
01442 {
01443 if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {
01444 DEBUG(net, 0, "Auto-restarting map. Year %d reached", _cur_year);
01445
01446 StartNewGameWithoutGUI(GENERATE_NEW_SEED);
01447 }
01448 }
01449
01450
01451
01452
01453
01454
01455 static void NetworkAutoCleanCompanies()
01456 {
01457 const NetworkClientInfo *ci;
01458 const Company *c;
01459 bool clients_in_company[MAX_COMPANIES];
01460 int vehicles_in_company[MAX_COMPANIES];
01461
01462 if (!_settings_client.network.autoclean_companies) return;
01463
01464 memset(clients_in_company, 0, sizeof(clients_in_company));
01465
01466
01467 FOR_ALL_CLIENT_INFOS(ci) {
01468 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01469 }
01470
01471 if (!_network_dedicated) {
01472 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01473 if (Company::IsValidID(ci->client_playas)) clients_in_company[ci->client_playas] = true;
01474 }
01475
01476 if (_settings_client.network.autoclean_novehicles != 0) {
01477 memset(vehicles_in_company, 0, sizeof(vehicles_in_company));
01478
01479 const Vehicle *v;
01480 FOR_ALL_VEHICLES(v) {
01481 if (!Company::IsValidID(v->owner) || !v->IsPrimaryVehicle()) continue;
01482 vehicles_in_company[v->owner]++;
01483 }
01484 }
01485
01486
01487 FOR_ALL_COMPANIES(c) {
01488
01489 if (c->is_ai) continue;
01490
01491 if (!clients_in_company[c->index]) {
01492
01493 _network_company_states[c->index].months_empty++;
01494
01495
01496 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)) {
01497
01498 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01499 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no password", c->index + 1);
01500 }
01501
01502 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)) {
01503
01504 _network_company_states[c->index].password[0] = '\0';
01505 IConsolePrintF(CC_DEFAULT, "Auto-removed protection from company #%d", c->index + 1);
01506 _network_company_states[c->index].months_empty = 0;
01507 NetworkServerUpdateCompanyPassworded(c->index, false);
01508 }
01509
01510 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) {
01511
01512 DoCommandP(0, 2, c->index, CMD_COMPANY_CTRL);
01513 IConsolePrintF(CC_DEFAULT, "Auto-cleaned company #%d with no vehicles", c->index + 1);
01514 }
01515 } else {
01516
01517 _network_company_states[c->index].months_empty = 0;
01518 }
01519 }
01520 }
01521
01522
01523
01524 bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH])
01525 {
01526 bool found_name = false;
01527 uint number = 0;
01528 char original_name[NETWORK_CLIENT_NAME_LENGTH];
01529
01530
01531 ttd_strlcpy(original_name, new_name, NETWORK_CLIENT_NAME_LENGTH);
01532
01533 while (!found_name) {
01534 const NetworkClientInfo *ci;
01535
01536 found_name = true;
01537 FOR_ALL_CLIENT_INFOS(ci) {
01538 if (strcmp(ci->client_name, new_name) == 0) {
01539
01540 found_name = false;
01541 break;
01542 }
01543 }
01544
01545 ci = NetworkFindClientInfoFromClientID(CLIENT_ID_SERVER);
01546 if (ci != NULL) {
01547 if (strcmp(ci->client_name, new_name) == 0) found_name = false;
01548 }
01549
01550 if (!found_name) {
01551
01552
01553
01554 if (number++ > MAX_CLIENTS) break;
01555 snprintf(new_name, NETWORK_CLIENT_NAME_LENGTH, "%s #%d", original_name, number);
01556 }
01557 }
01558
01559 return found_name;
01560 }
01561
01568 bool NetworkServerChangeClientName(ClientID client_id, const char *new_name)
01569 {
01570 NetworkClientInfo *ci;
01571
01572 FOR_ALL_CLIENT_INFOS(ci) {
01573 if (strcmp(ci->client_name, new_name) == 0) return false;
01574 }
01575
01576 ci = NetworkFindClientInfoFromClientID(client_id);
01577 if (ci == NULL) return false;
01578
01579 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, true, ci->client_name, new_name);
01580
01581 strecpy(ci->client_name, new_name, lastof(ci->client_name));
01582
01583 NetworkUpdateClientInfo(client_id);
01584 return true;
01585 }
01586
01587
01588 void NetworkServer_ReadPackets(NetworkClientSocket *cs)
01589 {
01590 Packet *p;
01591 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01592
01593 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01594 byte type = p->Recv_uint8();
01595 if (type < PACKET_END && _network_server_packet[type] != NULL && !cs->HasClientQuit()) {
01596 res = _network_server_packet[type](cs, p);
01597 } else {
01598 cs->CloseConnection();
01599 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01600 DEBUG(net, 0, "[server] received invalid packet type %d", type);
01601 }
01602
01603 delete p;
01604 }
01605 }
01606
01607
01608 static void NetworkHandleCommandQueue(NetworkClientSocket *cs)
01609 {
01610 CommandPacket *cp;
01611
01612 while ( (cp = cs->command_queue) != NULL) {
01613 SEND_COMMAND(PACKET_SERVER_COMMAND)(cs, cp);
01614
01615 cs->command_queue = cp->next;
01616 free(cp);
01617 }
01618 }
01619
01620
01621 void NetworkServer_Tick(bool send_frame)
01622 {
01623 NetworkClientSocket *cs;
01624 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01625 bool send_sync = false;
01626 #endif
01627
01628 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01629 if (_frame_counter >= _last_sync_frame + _settings_client.network.sync_freq) {
01630 _last_sync_frame = _frame_counter;
01631 send_sync = true;
01632 }
01633 #endif
01634
01635
01636
01637 FOR_ALL_CLIENT_SOCKETS(cs) {
01638
01639 if (cs->status == STATUS_ACTIVE) {
01640
01641 int lag = NetworkCalculateLag(cs) / DAY_TICKS;
01642 if (lag > 0) {
01643 if (lag > 3) {
01644
01645
01646 IConsolePrintF(CC_ERROR,"Client #%d is dropped because the client did not respond for more than 4 game-days", cs->client_id);
01647 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01648 continue;
01649 }
01650
01651
01652 if (cs->lag_test == 0) {
01653 IConsolePrintF(CC_WARNING,"[%d] Client #%d is slow, try increasing *net_frame_freq to a higher value!", _frame_counter, cs->client_id);
01654 cs->lag_test = 1;
01655 }
01656 } else {
01657 cs->lag_test = 0;
01658 }
01659 } else if (cs->status == STATUS_PRE_ACTIVE) {
01660 int lag = NetworkCalculateLag(cs);
01661 if (lag > _settings_client.network.max_join_time) {
01662 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);
01663 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01664 }
01665 } else if (cs->status == STATUS_INACTIVE) {
01666 int lag = NetworkCalculateLag(cs);
01667 if (lag > 4 * DAY_TICKS) {
01668 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);
01669 NetworkCloseClient(cs, NETWORK_RECV_STATUS_SERVER_ERROR);
01670 }
01671 }
01672
01673 if (cs->status >= STATUS_PRE_ACTIVE) {
01674
01675 NetworkHandleCommandQueue(cs);
01676
01677
01678 if (send_frame) SEND_COMMAND(PACKET_SERVER_FRAME)(cs);
01679
01680 #ifndef ENABLE_NETWORK_SYNC_EVERY_FRAME
01681
01682 if (send_sync) SEND_COMMAND(PACKET_SERVER_SYNC)(cs);
01683 #endif
01684 }
01685 }
01686
01687
01688 NetworkUDPAdvertise();
01689 }
01690
01691 void NetworkServerYearlyLoop()
01692 {
01693 NetworkCheckRestartMap();
01694 }
01695
01696 void NetworkServerMonthlyLoop()
01697 {
01698 NetworkAutoCleanCompanies();
01699 }
01700
01701 const char *GetClientIP(NetworkClientInfo *ci)
01702 {
01703 return ci->client_address.GetHostname();
01704 }
01705
01706 void NetworkServerShowStatusToConsole()
01707 {
01708 static const char * const stat_str[] = {
01709 "inactive",
01710 "authorizing (server password)",
01711 "authorizing (company password)",
01712 "authorized",
01713 "waiting",
01714 "loading map",
01715 "map done",
01716 "ready",
01717 "active"
01718 };
01719 assert_compile(lengthof(stat_str) == STATUS_END);
01720
01721 NetworkClientSocket *cs;
01722 FOR_ALL_CLIENT_SOCKETS(cs) {
01723 int lag = NetworkCalculateLag(cs);
01724 NetworkClientInfo *ci = cs->GetInfo();
01725 const char *status;
01726
01727 status = (cs->status < (ptrdiff_t)lengthof(stat_str) ? stat_str[cs->status] : "unknown");
01728 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' status: '%s' frame-lag: %3d company: %1d IP: %s",
01729 cs->client_id, ci->client_name, status, lag,
01730 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01731 GetClientIP(ci));
01732 }
01733 }
01734
01738 void NetworkServerSendConfigUpdate()
01739 {
01740 NetworkClientSocket *cs;
01741
01742 FOR_ALL_CLIENT_SOCKETS(cs) {
01743 SEND_COMMAND(PACKET_SERVER_CONFIG_UPDATE)(cs);
01744 }
01745 }
01746
01747 void NetworkServerUpdateCompanyPassworded(CompanyID company_id, bool passworded)
01748 {
01749 if (NetworkCompanyIsPassworded(company_id) == passworded) return;
01750
01751 SB(_network_company_passworded, company_id, 1, !!passworded);
01752 SetWindowClassesDirty(WC_COMPANY);
01753
01754 NetworkClientSocket *cs;
01755 FOR_ALL_CLIENT_SOCKETS(cs) {
01756 SEND_COMMAND(PACKET_SERVER_COMPANY_UPDATE)(cs);
01757 }
01758 }
01759
01766 void NetworkServerDoMove(ClientID client_id, CompanyID company_id)
01767 {
01768
01769 if (client_id == CLIENT_ID_SERVER && _network_dedicated) return;
01770
01771 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
01772
01773
01774 if (ci->client_playas == company_id) return;
01775
01776 ci->client_playas = company_id;
01777
01778 if (client_id == CLIENT_ID_SERVER) {
01779 SetLocalCompany(company_id);
01780 } else {
01781 SEND_COMMAND(PACKET_SERVER_MOVE)(NetworkFindClientStateFromClientID(client_id), client_id, company_id);
01782 }
01783
01784
01785 NetworkUpdateClientInfo(client_id);
01786
01787 NetworkAction action = (company_id == COMPANY_SPECTATOR) ? NETWORK_ACTION_COMPANY_SPECTATOR : NETWORK_ACTION_COMPANY_JOIN;
01788 NetworkServerSendChat(action, DESTTYPE_BROADCAST, 0, "", client_id, company_id + 1);
01789 }
01790
01791 void NetworkServerSendRcon(ClientID client_id, ConsoleColour colour_code, const char *string)
01792 {
01793 SEND_COMMAND(PACKET_SERVER_RCON)(NetworkFindClientStateFromClientID(client_id), colour_code, string);
01794 }
01795
01796 void NetworkServerSendError(ClientID client_id, NetworkErrorCode error)
01797 {
01798 SEND_COMMAND(PACKET_SERVER_ERROR)(NetworkFindClientStateFromClientID(client_id), error);
01799 }
01800
01801 void NetworkServerKickClient(ClientID client_id)
01802 {
01803 if (client_id == CLIENT_ID_SERVER) return;
01804 NetworkServerSendError(client_id, NETWORK_ERROR_KICKED);
01805 }
01806
01807 void NetworkServerBanIP(const char *banip)
01808 {
01809 NetworkClientInfo *ci;
01810
01811
01812 FOR_ALL_CLIENT_INFOS(ci) {
01813 if (ci->client_address.IsInNetmask(const_cast<char *>(banip))) {
01814 NetworkServerKickClient(ci->client_id);
01815 }
01816 }
01817
01818
01819 *_network_ban_list.Append() = strdup(banip);
01820 }
01821
01822 bool NetworkCompanyHasClients(CompanyID company)
01823 {
01824 const NetworkClientInfo *ci;
01825 FOR_ALL_CLIENT_INFOS(ci) {
01826 if (ci->client_playas == company) return true;
01827 }
01828 return false;
01829 }
01830
01831 #endif