00001
00002
00003
00004
00005
00006
00007
00008
00009
00012 #ifdef ENABLE_NETWORK
00013
00014 #include "../stdafx.h"
00015 #include "../debug.h"
00016 #include "network_internal.h"
00017 #include "network_gui.h"
00018 #include "../saveload/saveload.h"
00019 #include "../command_func.h"
00020 #include "../console_func.h"
00021 #include "../fileio_func.h"
00022 #include "../3rdparty/md5/md5.h"
00023 #include "../strings_func.h"
00024 #include "../window_func.h"
00025 #include "../company_func.h"
00026 #include "../company_base.h"
00027 #include "../company_gui.h"
00028 #include "../rev.h"
00029 #include "network.h"
00030 #include "network_base.h"
00031
00032 #include "table/strings.h"
00033
00034
00035
00036
00037
00038 #define MY_CLIENT NetworkClientSocket::Get(0)
00039
00040 static uint32 last_ack_frame;
00041
00043 static uint32 _password_game_seed;
00045 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00046
00048 static uint8 _network_server_max_companies;
00050 static uint8 _network_server_max_spectators;
00051
00053 CompanyID _network_join_as;
00054
00056 const char *_network_join_server_password = NULL;
00058 const char *_network_join_company_password = NULL;
00059
00061 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00062
00068 static const char *GenerateCompanyPasswordHash(const char *password)
00069 {
00070 if (StrEmpty(password)) return password;
00071
00072 char salted_password[NETWORK_SERVER_ID_LENGTH];
00073
00074 memset(salted_password, 0, sizeof(salted_password));
00075 snprintf(salted_password, sizeof(salted_password), "%s", password);
00076
00077 for (uint i = 0; i < NETWORK_SERVER_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_id[i] ^ (_password_game_seed >> i);
00078
00079 Md5 checksum;
00080 uint8 digest[16];
00081 static char hashed_password[NETWORK_SERVER_ID_LENGTH];
00082
00083
00084 checksum.Append((const uint8*)salted_password, sizeof(salted_password) - 1);
00085 checksum.Finish(digest);
00086
00087 for (int di = 0; di < 16; di++) sprintf(hashed_password + di * 2, "%02x", digest[di]);
00088 hashed_password[lengthof(hashed_password) - 1] = '\0';
00089
00090 return hashed_password;
00091 }
00092
00096 void HashCurrentCompanyPassword(const char *password)
00097 {
00098 _password_game_seed = _settings_game.game_creation.generation_seed;
00099 strecpy(_password_server_id, _settings_client.network.network_id, lastof(_password_server_id));
00100
00101 const char *new_pw = GenerateCompanyPasswordHash(password);
00102 strecpy(_network_company_states[_local_company].password, new_pw, lastof(_network_company_states[_local_company].password));
00103
00104 if (_network_server) {
00105 NetworkServerUpdateCompanyPassworded(_local_company, !StrEmpty(_network_company_states[_local_company].password));
00106 }
00107 }
00108
00109
00110
00111
00112
00113
00114
00115 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00116 {
00117
00118
00119
00120
00121
00122
00123 Packet *p;
00124 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00125 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00126
00127 p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00128 MY_CLIENT->Send_Packet(p);
00129 return NETWORK_RECV_STATUS_OKAY;
00130 }
00131
00132 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
00133 {
00134
00135
00136
00137
00138
00139
00140
00141
00142
00143
00144 Packet *p;
00145 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00146 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00147
00148 p = new Packet(PACKET_CLIENT_JOIN);
00149 p->Send_string(_openttd_revision);
00150 p->Send_string(_settings_client.network.client_name);
00151 p->Send_uint8 (_network_join_as);
00152 p->Send_uint8 (NETLANG_ANY);
00153 MY_CLIENT->Send_Packet(p);
00154 return NETWORK_RECV_STATUS_OKAY;
00155 }
00156
00157 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00158 {
00159
00160
00161
00162
00163
00164
00165 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00166 MY_CLIENT->Send_Packet(p);
00167 return NETWORK_RECV_STATUS_OKAY;
00168 }
00169
00170 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
00171 {
00172
00173
00174
00175
00176
00177
00178
00179 Packet *p = new Packet(PACKET_CLIENT_PASSWORD);
00180 p->Send_uint8 (type);
00181 p->Send_string(type == NETWORK_GAME_PASSWORD ? password : GenerateCompanyPasswordHash(password));
00182 MY_CLIENT->Send_Packet(p);
00183 return NETWORK_RECV_STATUS_OKAY;
00184 }
00185
00186 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00187 {
00188
00189
00190
00191
00192
00193
00194
00195 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00196
00197
00198
00199
00200
00201
00202 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00203 MY_CLIENT->Send_Packet(p);
00204 return NETWORK_RECV_STATUS_OKAY;
00205 }
00206
00207 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00208 {
00209
00210
00211
00212
00213
00214
00215
00216 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00217 MY_CLIENT->Send_Packet(p);
00218 return NETWORK_RECV_STATUS_OKAY;
00219 }
00220
00221 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00222 {
00223
00224
00225
00226
00227
00228
00229
00230 Packet *p = new Packet(PACKET_CLIENT_ACK);
00231
00232 p->Send_uint32(_frame_counter);
00233 MY_CLIENT->Send_Packet(p);
00234 return NETWORK_RECV_STATUS_OKAY;
00235 }
00236
00237
00238 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00239 {
00240
00241
00242
00243
00244
00245
00246
00247
00248
00249
00250
00251
00252
00253 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00254 MY_CLIENT->Send_Command(p, cp);
00255
00256 MY_CLIENT->Send_Packet(p);
00257 return NETWORK_RECV_STATUS_OKAY;
00258 }
00259
00260
00261 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00262 {
00263
00264
00265
00266
00267
00268
00269
00270
00271
00272
00273
00274 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00275
00276 p->Send_uint8 (action);
00277 p->Send_uint8 (type);
00278 p->Send_uint32(dest);
00279 p->Send_string(msg);
00280 p->Send_uint64(data);
00281
00282 MY_CLIENT->Send_Packet(p);
00283 return NETWORK_RECV_STATUS_OKAY;
00284 }
00285
00286
00287 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00288 {
00289
00290
00291
00292
00293
00294
00295 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00296
00297 p->Send_uint8(errorno);
00298 MY_CLIENT->Send_Packet(p);
00299 return NETWORK_RECV_STATUS_OKAY;
00300 }
00301
00302 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00303 {
00304
00305
00306
00307
00308
00309
00310 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00311
00312 p->Send_string(GenerateCompanyPasswordHash(password));
00313 MY_CLIENT->Send_Packet(p);
00314 return NETWORK_RECV_STATUS_OKAY;
00315 }
00316
00317 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00318 {
00319
00320
00321
00322
00323
00324
00325 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00326
00327 p->Send_string(name);
00328 MY_CLIENT->Send_Packet(p);
00329 return NETWORK_RECV_STATUS_OKAY;
00330 }
00331
00332
00333 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00334 {
00335
00336
00337
00338
00339
00340 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00341
00342 MY_CLIENT->Send_Packet(p);
00343 return NETWORK_RECV_STATUS_OKAY;
00344 }
00345
00346 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00347 {
00348 Packet *p = new Packet(PACKET_CLIENT_RCON);
00349 p->Send_string(pass);
00350 p->Send_string(command);
00351 MY_CLIENT->Send_Packet(p);
00352 return NETWORK_RECV_STATUS_OKAY;
00353 }
00354
00355 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00356 {
00357 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00358 p->Send_uint8(company);
00359 p->Send_string(GenerateCompanyPasswordHash(pass));
00360 MY_CLIENT->Send_Packet(p);
00361 return NETWORK_RECV_STATUS_OKAY;
00362 }
00363
00364
00365
00366
00367
00368
00369
00370 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00371 extern StringID _switch_mode_errorstr;
00372
00373 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00374 {
00375
00376 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00377 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00378
00379 return NETWORK_RECV_STATUS_SERVER_FULL;
00380 }
00381
00382 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00383 {
00384
00385 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00386 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00387
00388 return NETWORK_RECV_STATUS_SERVER_BANNED;
00389 }
00390
00391 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00392 {
00393 byte company_info_version = p->Recv_uint8();
00394
00395 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00396
00397 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00398
00399 CompanyID current = (Owner)p->Recv_uint8();
00400 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00401
00402 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00403 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00404
00405 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00406 company_info->inaugurated_year = p->Recv_uint32();
00407 company_info->company_value = p->Recv_uint64();
00408 company_info->money = p->Recv_uint64();
00409 company_info->income = p->Recv_uint64();
00410 company_info->performance = p->Recv_uint16();
00411 company_info->use_password = p->Recv_bool();
00412 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00413 company_info->num_vehicle[i] = p->Recv_uint16();
00414 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00415 company_info->num_station[i] = p->Recv_uint16();
00416 company_info->ai = p->Recv_bool();
00417
00418 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00419
00420 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00421
00422 return NETWORK_RECV_STATUS_OKAY;
00423 }
00424
00425 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00426 }
00427
00428
00429
00430
00431 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00432 {
00433 NetworkClientInfo *ci;
00434 ClientID client_id = (ClientID)p->Recv_uint32();
00435 CompanyID playas = (CompanyID)p->Recv_uint8();
00436 char name[NETWORK_NAME_LENGTH];
00437
00438 p->Recv_string(name, sizeof(name));
00439
00440 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00441
00442 ci = NetworkFindClientInfoFromClientID(client_id);
00443 if (ci != NULL) {
00444 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00445
00446 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00447 } else if (playas != ci->client_playas) {
00448
00449
00450 }
00451
00452 ci->client_playas = playas;
00453 strecpy(ci->client_name, name, lastof(ci->client_name));
00454
00455 SetWindowDirty(WC_CLIENT_LIST, 0);
00456
00457 return NETWORK_RECV_STATUS_OKAY;
00458 }
00459
00460
00461 ci = new NetworkClientInfo(client_id);
00462 ci->client_playas = playas;
00463 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00464
00465 strecpy(ci->client_name, name, lastof(ci->client_name));
00466
00467 SetWindowDirty(WC_CLIENT_LIST, 0);
00468
00469 return NETWORK_RECV_STATUS_OKAY;
00470 }
00471
00472 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00473 {
00474 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00475
00476 switch (error) {
00477
00478 case NETWORK_ERROR_NOT_AUTHORIZED:
00479 case NETWORK_ERROR_NOT_EXPECTED:
00480 case NETWORK_ERROR_COMPANY_MISMATCH:
00481 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00482 break;
00483 case NETWORK_ERROR_FULL:
00484 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00485 break;
00486 case NETWORK_ERROR_WRONG_REVISION:
00487 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00488 break;
00489 case NETWORK_ERROR_WRONG_PASSWORD:
00490 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00491 break;
00492 case NETWORK_ERROR_KICKED:
00493 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00494 break;
00495 case NETWORK_ERROR_CHEATER:
00496 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00497 break;
00498 default:
00499 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00500 }
00501
00502 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00503
00504 return NETWORK_RECV_STATUS_SERVER_ERROR;
00505 }
00506
00507 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00508 {
00509 uint grf_count = p->Recv_uint8();
00510 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00511
00512
00513 for (; grf_count > 0; grf_count--) {
00514 GRFConfig c;
00515 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00516
00517
00518 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00519 if (f == NULL) {
00520
00521 char buf[sizeof(c.md5sum) * 2 + 1];
00522 md5sumToString(buf, lastof(buf), c.md5sum);
00523 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00524 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00525 }
00526 }
00527
00528 if (ret == NETWORK_RECV_STATUS_OKAY) {
00529
00530 return SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00531 }
00532
00533
00534 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00535 return ret;
00536 }
00537
00538 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
00539 {
00540 NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();
00541
00542 const char *password = _network_join_server_password;
00543
00544 switch (type) {
00545 case NETWORK_COMPANY_PASSWORD:
00546
00547 _password_game_seed = p->Recv_uint32();
00548 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00549 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00550 password = _network_join_company_password;
00551
00552 case NETWORK_GAME_PASSWORD:
00553 if (StrEmpty(password)) {
00554 ShowNetworkNeedPassword(type);
00555 } else {
00556 return SEND_COMMAND(PACKET_CLIENT_PASSWORD)(type, password);
00557 }
00558 return NETWORK_RECV_STATUS_OKAY;
00559
00560 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00561 }
00562 }
00563
00564 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00565 {
00566 _network_own_client_id = (ClientID)p->Recv_uint32();
00567
00568
00569 _password_game_seed = p->Recv_uint32();
00570 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00571
00572
00573 return SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00574 }
00575
00576 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00577 {
00578 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00579 _network_join_waiting = p->Recv_uint8();
00580 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00581
00582
00583 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00584 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00585
00586 return NETWORK_RECV_STATUS_OKAY;
00587 }
00588
00589 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00590 {
00591 static FILE *file_pointer;
00592
00593 byte maptype;
00594
00595 maptype = p->Recv_uint8();
00596
00597 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00598
00599
00600 if (maptype == MAP_PACKET_START) {
00601 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);
00602 if (file_pointer == NULL) {
00603 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00604 return NETWORK_RECV_STATUS_SAVEGAME;
00605 }
00606
00607 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00608
00609 _network_join_bytes = 0;
00610 _network_join_bytes_total = p->Recv_uint32();
00611
00612
00613
00614
00615
00616
00617 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00618 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00619
00620 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00621 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00622
00623
00624 return NETWORK_RECV_STATUS_OKAY;
00625 }
00626
00627 if (maptype == MAP_PACKET_NORMAL) {
00628
00629 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00630 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00631 return NETWORK_RECV_STATUS_SAVEGAME;
00632 }
00633
00634 _network_join_bytes = ftell(file_pointer);
00635 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00636 }
00637
00638
00639 if (maptype == MAP_PACKET_END) {
00640 fclose(file_pointer);
00641
00642 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00643 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00644
00645
00646 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00647 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00648 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00649 return NETWORK_RECV_STATUS_SAVEGAME;
00650 }
00651
00652
00653
00654
00655 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00656
00657
00658
00659 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00660 SetLocalCompany(COMPANY_SPECTATOR);
00661
00662 if (_network_join_as != COMPANY_SPECTATOR) {
00663
00664
00665 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00666 ShowJoinStatusWindow();
00667 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00668 }
00669 } else {
00670
00671 SetLocalCompany(_network_join_as);
00672 }
00673 }
00674
00675 return NETWORK_RECV_STATUS_OKAY;
00676 }
00677
00678 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00679 {
00680 _frame_counter_server = p->Recv_uint32();
00681 _frame_counter_max = p->Recv_uint32();
00682 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00683
00684
00685 if (p->pos < p->size) {
00686 _sync_frame = _frame_counter_server;
00687 _sync_seed_1 = p->Recv_uint32();
00688 #ifdef NETWORK_SEND_DOUBLE_SEED
00689 _sync_seed_2 = p->Recv_uint32();
00690 #endif
00691 }
00692 #endif
00693 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00694
00695
00696
00697 if (!_network_first_time && last_ack_frame < _frame_counter) {
00698 last_ack_frame = _frame_counter + DAY_TICKS;
00699 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00700 SEND_COMMAND(PACKET_CLIENT_ACK)();
00701 }
00702
00703 return NETWORK_RECV_STATUS_OKAY;
00704 }
00705
00706 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00707 {
00708 _sync_frame = p->Recv_uint32();
00709 _sync_seed_1 = p->Recv_uint32();
00710 #ifdef NETWORK_SEND_DOUBLE_SEED
00711 _sync_seed_2 = p->Recv_uint32();
00712 #endif
00713
00714 return NETWORK_RECV_STATUS_OKAY;
00715 }
00716
00717 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00718 {
00719 CommandPacket cp;
00720 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00721 cp.frame = p->Recv_uint32();
00722 cp.my_cmd = p->Recv_bool();
00723 cp.next = NULL;
00724
00725 if (err != NULL) {
00726 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00727 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00728 }
00729
00730
00731
00732 NetworkAddCommandQueue(cp);
00733
00734 return NETWORK_RECV_STATUS_OKAY;
00735 }
00736
00737 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00738 {
00739 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00740 const NetworkClientInfo *ci = NULL, *ci_to;
00741
00742 NetworkAction action = (NetworkAction)p->Recv_uint8();
00743 ClientID client_id = (ClientID)p->Recv_uint32();
00744 bool self_send = p->Recv_bool();
00745 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00746 int64 data = p->Recv_uint64();
00747
00748 ci_to = NetworkFindClientInfoFromClientID(client_id);
00749 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00750
00751
00752 if (self_send) {
00753 switch (action) {
00754 case NETWORK_ACTION_CHAT_CLIENT:
00755
00756 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00757 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00758 break;
00759
00760
00761 case NETWORK_ACTION_GIVE_MONEY:
00762 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00763
00764 case NETWORK_ACTION_CHAT_COMPANY: {
00765 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00766 SetDParam(0, ci_to->client_playas);
00767
00768 GetString(name, str, lastof(name));
00769 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00770 } break;
00771
00772 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00773 }
00774 } else {
00775
00776 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00777 ci = ci_to;
00778 }
00779
00780 if (ci != NULL) {
00781 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00782 }
00783 return NETWORK_RECV_STATUS_OKAY;
00784 }
00785
00786 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00787 {
00788 ClientID client_id = (ClientID)p->Recv_uint32();
00789
00790 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00791 if (ci != NULL) {
00792 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00793 delete ci;
00794 }
00795
00796 SetWindowDirty(WC_CLIENT_LIST, 0);
00797
00798 return NETWORK_RECV_STATUS_OKAY;
00799 }
00800
00801 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00802 {
00803 NetworkClientInfo *ci;
00804
00805 ClientID client_id = (ClientID)p->Recv_uint32();
00806
00807 ci = NetworkFindClientInfoFromClientID(client_id);
00808 if (ci != NULL) {
00809 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00810 delete ci;
00811 } else {
00812 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00813 }
00814
00815 SetWindowDirty(WC_CLIENT_LIST, 0);
00816
00817
00818 return NETWORK_RECV_STATUS_OKAY;
00819 }
00820
00821 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00822 {
00823 ClientID client_id = (ClientID)p->Recv_uint32();
00824
00825 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00826 if (ci != NULL) {
00827 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00828 }
00829
00830 SetWindowDirty(WC_CLIENT_LIST, 0);
00831
00832 return NETWORK_RECV_STATUS_OKAY;
00833 }
00834
00835 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00836 {
00837 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00838
00839 return NETWORK_RECV_STATUS_SERVER_ERROR;
00840 }
00841
00842 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00843 {
00844
00845
00846
00847
00848 _network_reconnect = min(_local_company + 1, 10);
00849 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00850
00851 return NETWORK_RECV_STATUS_SERVER_ERROR;
00852 }
00853
00854 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00855 {
00856 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00857
00858 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00859 p->Recv_string(rcon_out, sizeof(rcon_out));
00860
00861 IConsolePrint(colour_code, rcon_out);
00862
00863 return NETWORK_RECV_STATUS_OKAY;
00864 }
00865
00866 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00867 {
00868
00869 ClientID client_id = (ClientID)p->Recv_uint32();
00870 CompanyID company_id = (CompanyID)p->Recv_uint8();
00871
00872 if (client_id == 0) {
00873
00874 DEBUG(net, 0, "[move] received invalid client index = 0");
00875 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00876 }
00877
00878 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00879
00880 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00881
00882
00883 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00884
00885 if (client_id == _network_own_client_id) {
00886 SetLocalCompany(company_id);
00887 }
00888
00889 return NETWORK_RECV_STATUS_OKAY;
00890 }
00891
00892 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00893 {
00894 _network_server_max_companies = p->Recv_uint8();
00895 _network_server_max_spectators = p->Recv_uint8();
00896
00897 return NETWORK_RECV_STATUS_OKAY;
00898 }
00899
00900 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00901 {
00902 _network_company_passworded = p->Recv_uint16();
00903 SetWindowClassesDirty(WC_COMPANY);
00904
00905 return NETWORK_RECV_STATUS_OKAY;
00906 }
00907
00908
00909
00910 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00911
00912
00913
00914
00915
00916 static NetworkClientPacket * const _network_client_packet[] = {
00917 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00918 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00919 NULL,
00920 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00921 NULL,
00922 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00923 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00924 RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
00925 NULL,
00926 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00927 NULL,
00928 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00929 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00930 NULL,
00931 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00932 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00933 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00934 NULL,
00935 NULL,
00936 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00937 NULL,
00938 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00939 NULL,
00940 NULL,
00941 NULL,
00942 NULL,
00943 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00944 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00945 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00946 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00947 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00948 NULL,
00949 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00950 NULL,
00951 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00952 NULL,
00953 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00954 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00955 };
00956
00957
00958 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00959
00960
00961 void NetworkClient_Connected()
00962 {
00963
00964 _frame_counter = 0;
00965 _frame_counter_server = 0;
00966 last_ack_frame = 0;
00967
00968 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00969 }
00970
00971
00972 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00973 {
00974 Packet *p;
00975 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00976
00977 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
00978 byte type = p->Recv_uint8();
00979 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
00980 res = _network_client_packet[type](p);
00981 } else {
00982 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
00983 DEBUG(net, 0, "[client] received invalid packet type %d", type);
00984 }
00985
00986 delete p;
00987 }
00988
00989 return res;
00990 }
00991
00992 void NetworkClientSendRcon(const char *password, const char *command)
00993 {
00994 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
00995 }
00996
01003 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01004 {
01005 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
01006 }
01007
01008 void NetworkUpdateClientName()
01009 {
01010 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01011
01012 if (ci == NULL) return;
01013
01014
01015 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01016 if (!_network_server) {
01017 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01018 } else {
01019 if (NetworkFindName(_settings_client.network.client_name)) {
01020 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01021 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01022 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01023 }
01024 }
01025 }
01026 }
01027
01028 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01029 {
01030 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01031 }
01032
01033 static void NetworkClientSetPassword(const char *password)
01034 {
01035 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01036 }
01037
01043 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01044 {
01045
01046 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01047
01048 const NetworkClientInfo *ci;
01049 FOR_ALL_CLIENT_INFOS(ci) {
01050 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01051 }
01052
01053 return false;
01054 }
01055
01061 const char *NetworkChangeCompanyPassword(const char *password)
01062 {
01063 if (strcmp(password, "*") == 0) password = "";
01064
01065 if (!_network_server) {
01066 NetworkClientSetPassword(password);
01067 } else {
01068 HashCurrentCompanyPassword(password);
01069 }
01070
01071 return password;
01072 }
01073
01078 bool NetworkMaxCompaniesReached()
01079 {
01080 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01081 }
01082
01087 bool NetworkMaxSpectatorsReached()
01088 {
01089 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01090 }
01091
01095 void NetworkPrintClients()
01096 {
01097 NetworkClientInfo *ci;
01098 FOR_ALL_CLIENT_INFOS(ci) {
01099 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01100 ci->client_id,
01101 ci->client_name,
01102 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01103 GetClientIP(ci));
01104 }
01105 }
01106
01107 #endif