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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_GAME_PASSWORD)(const char *password)
00171 {
00172
00173
00174
00175
00176
00177
00178
00179 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00180 p->Send_string(password);
00181 MY_CLIENT->Send_Packet(p);
00182 return NETWORK_RECV_STATUS_OKAY;
00183 }
00184
00185 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMPANY_PASSWORD)(const char *password)
00186 {
00187
00188
00189
00190
00191
00192
00193
00194 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00195 p->Send_string(GenerateCompanyPasswordHash(password));
00196 MY_CLIENT->Send_Packet(p);
00197 return NETWORK_RECV_STATUS_OKAY;
00198 }
00199
00200 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00201 {
00202
00203
00204
00205
00206
00207
00208
00209 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00210
00211
00212
00213
00214
00215
00216 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00217 MY_CLIENT->Send_Packet(p);
00218 return NETWORK_RECV_STATUS_OKAY;
00219 }
00220
00221 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00222 {
00223
00224
00225
00226
00227
00228
00229
00230 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00231 MY_CLIENT->Send_Packet(p);
00232 return NETWORK_RECV_STATUS_OKAY;
00233 }
00234
00235 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00236 {
00237
00238
00239
00240
00241
00242
00243
00244 Packet *p = new Packet(PACKET_CLIENT_ACK);
00245
00246 p->Send_uint32(_frame_counter);
00247 MY_CLIENT->Send_Packet(p);
00248 return NETWORK_RECV_STATUS_OKAY;
00249 }
00250
00251
00252 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00253 {
00254
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00268 MY_CLIENT->Send_Command(p, cp);
00269
00270 MY_CLIENT->Send_Packet(p);
00271 return NETWORK_RECV_STATUS_OKAY;
00272 }
00273
00274
00275 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00276 {
00277
00278
00279
00280
00281
00282
00283
00284
00285
00286
00287
00288 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00289
00290 p->Send_uint8 (action);
00291 p->Send_uint8 (type);
00292 p->Send_uint32(dest);
00293 p->Send_string(msg);
00294 p->Send_uint64(data);
00295
00296 MY_CLIENT->Send_Packet(p);
00297 return NETWORK_RECV_STATUS_OKAY;
00298 }
00299
00300
00301 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00302 {
00303
00304
00305
00306
00307
00308
00309 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00310
00311 p->Send_uint8(errorno);
00312 MY_CLIENT->Send_Packet(p);
00313 return NETWORK_RECV_STATUS_OKAY;
00314 }
00315
00316 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00317 {
00318
00319
00320
00321
00322
00323
00324 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00325
00326 p->Send_string(GenerateCompanyPasswordHash(password));
00327 MY_CLIENT->Send_Packet(p);
00328 return NETWORK_RECV_STATUS_OKAY;
00329 }
00330
00331 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00332 {
00333
00334
00335
00336
00337
00338
00339 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00340
00341 p->Send_string(name);
00342 MY_CLIENT->Send_Packet(p);
00343 return NETWORK_RECV_STATUS_OKAY;
00344 }
00345
00346
00347 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00348 {
00349
00350
00351
00352
00353
00354 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00355
00356 MY_CLIENT->Send_Packet(p);
00357 return NETWORK_RECV_STATUS_OKAY;
00358 }
00359
00360 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00361 {
00362 Packet *p = new Packet(PACKET_CLIENT_RCON);
00363 p->Send_string(pass);
00364 p->Send_string(command);
00365 MY_CLIENT->Send_Packet(p);
00366 return NETWORK_RECV_STATUS_OKAY;
00367 }
00368
00369 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00370 {
00371 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00372 p->Send_uint8(company);
00373 p->Send_string(GenerateCompanyPasswordHash(pass));
00374 MY_CLIENT->Send_Packet(p);
00375 return NETWORK_RECV_STATUS_OKAY;
00376 }
00377
00378
00379
00380
00381
00382
00383
00384 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00385 extern StringID _switch_mode_errorstr;
00386
00387 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00388 {
00389
00390 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00391 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00392
00393 return NETWORK_RECV_STATUS_SERVER_FULL;
00394 }
00395
00396 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00397 {
00398
00399 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00400 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00401
00402 return NETWORK_RECV_STATUS_SERVER_BANNED;
00403 }
00404
00405 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00406 {
00407 byte company_info_version = p->Recv_uint8();
00408
00409 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00410
00411 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00412
00413 CompanyID current = (Owner)p->Recv_uint8();
00414 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00415
00416 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00417 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00418
00419 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00420 company_info->inaugurated_year = p->Recv_uint32();
00421 company_info->company_value = p->Recv_uint64();
00422 company_info->money = p->Recv_uint64();
00423 company_info->income = p->Recv_uint64();
00424 company_info->performance = p->Recv_uint16();
00425 company_info->use_password = p->Recv_bool();
00426 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00427 company_info->num_vehicle[i] = p->Recv_uint16();
00428 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00429 company_info->num_station[i] = p->Recv_uint16();
00430 company_info->ai = p->Recv_bool();
00431
00432 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00433
00434 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00435
00436 return NETWORK_RECV_STATUS_OKAY;
00437 }
00438
00439 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00440 }
00441
00442
00443
00444
00445 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00446 {
00447 NetworkClientInfo *ci;
00448 ClientID client_id = (ClientID)p->Recv_uint32();
00449 CompanyID playas = (CompanyID)p->Recv_uint8();
00450 char name[NETWORK_NAME_LENGTH];
00451
00452 p->Recv_string(name, sizeof(name));
00453
00454 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00455
00456 if (!Company::IsValidID(playas)) playas = COMPANY_SPECTATOR;
00457
00458 ci = NetworkFindClientInfoFromClientID(client_id);
00459 if (ci != NULL) {
00460 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00461
00462 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00463 } else if (playas != ci->client_playas) {
00464
00465
00466 }
00467
00468
00469
00470 if (client_id == _network_own_client_id) SetLocalCompany(playas);
00471
00472 ci->client_playas = playas;
00473 strecpy(ci->client_name, name, lastof(ci->client_name));
00474
00475 SetWindowDirty(WC_CLIENT_LIST, 0);
00476
00477 return NETWORK_RECV_STATUS_OKAY;
00478 }
00479
00480
00481 ci = new NetworkClientInfo(client_id);
00482 ci->client_playas = playas;
00483 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00484
00485 strecpy(ci->client_name, name, lastof(ci->client_name));
00486
00487 SetWindowDirty(WC_CLIENT_LIST, 0);
00488
00489 return NETWORK_RECV_STATUS_OKAY;
00490 }
00491
00492 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00493 {
00494 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00495
00496 switch (error) {
00497
00498 case NETWORK_ERROR_NOT_AUTHORIZED:
00499 case NETWORK_ERROR_NOT_EXPECTED:
00500 case NETWORK_ERROR_COMPANY_MISMATCH:
00501 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00502 break;
00503 case NETWORK_ERROR_FULL:
00504 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00505 break;
00506 case NETWORK_ERROR_WRONG_REVISION:
00507 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00508 break;
00509 case NETWORK_ERROR_WRONG_PASSWORD:
00510 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00511 break;
00512 case NETWORK_ERROR_KICKED:
00513 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00514 break;
00515 case NETWORK_ERROR_CHEATER:
00516 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00517 break;
00518 default:
00519 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00520 }
00521
00522 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00523
00524 return NETWORK_RECV_STATUS_SERVER_ERROR;
00525 }
00526
00527 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00528 {
00529 uint grf_count = p->Recv_uint8();
00530 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00531
00532
00533 for (; grf_count > 0; grf_count--) {
00534 GRFConfig c;
00535 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00536
00537
00538 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00539 if (f == NULL) {
00540
00541 char buf[sizeof(c.md5sum) * 2 + 1];
00542 md5sumToString(buf, lastof(buf), c.md5sum);
00543 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00544 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00545 }
00546 }
00547
00548 if (ret == NETWORK_RECV_STATUS_OKAY) {
00549
00550 return SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00551 }
00552
00553
00554 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00555 return ret;
00556 }
00557
00558 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)
00559 {
00560 const char *password = _network_join_server_password;
00561 if (!StrEmpty(password)) {
00562 return SEND_COMMAND(PACKET_CLIENT_GAME_PASSWORD)(password);
00563 }
00564
00565 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00566
00567 return NETWORK_RECV_STATUS_OKAY;
00568 }
00569
00570 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)
00571 {
00572 _password_game_seed = p->Recv_uint32();
00573 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00574 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00575
00576 const char *password = _network_join_company_password;
00577 if (!StrEmpty(password)) {
00578 return SEND_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)(password);
00579 }
00580
00581 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00582
00583 return NETWORK_RECV_STATUS_OKAY;
00584 }
00585
00586 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00587 {
00588 _network_own_client_id = (ClientID)p->Recv_uint32();
00589
00590
00591 _password_game_seed = p->Recv_uint32();
00592 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00593
00594
00595 return SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00596 }
00597
00598 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00599 {
00600 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00601 _network_join_waiting = p->Recv_uint8();
00602 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00603
00604
00605 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00606 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00607
00608 return NETWORK_RECV_STATUS_OKAY;
00609 }
00610
00611 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00612 {
00613 static FILE *file_pointer;
00614
00615 byte maptype;
00616
00617 maptype = p->Recv_uint8();
00618
00619 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00620
00621
00622 if (maptype == MAP_PACKET_START) {
00623 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);
00624 if (file_pointer == NULL) {
00625 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00626 return NETWORK_RECV_STATUS_SAVEGAME;
00627 }
00628
00629 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00630
00631 _network_join_bytes = 0;
00632 _network_join_bytes_total = p->Recv_uint32();
00633
00634
00635
00636
00637
00638
00639 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00640 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00641
00642 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00643 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00644
00645
00646 return NETWORK_RECV_STATUS_OKAY;
00647 }
00648
00649 if (maptype == MAP_PACKET_NORMAL) {
00650
00651 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00652 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00653 return NETWORK_RECV_STATUS_SAVEGAME;
00654 }
00655
00656 _network_join_bytes = ftell(file_pointer);
00657 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00658 }
00659
00660
00661 if (maptype == MAP_PACKET_END) {
00662 fclose(file_pointer);
00663
00664 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00665 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00666
00667
00668 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00669 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00670 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00671 return NETWORK_RECV_STATUS_SAVEGAME;
00672 }
00673
00674
00675
00676
00677 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00678
00679
00680
00681 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00682 SetLocalCompany(COMPANY_SPECTATOR);
00683
00684 if (_network_join_as != COMPANY_SPECTATOR) {
00685
00686
00687 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00688 ShowJoinStatusWindow();
00689 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00690 }
00691 } else {
00692
00693 SetLocalCompany(_network_join_as);
00694 }
00695 }
00696
00697 return NETWORK_RECV_STATUS_OKAY;
00698 }
00699
00700 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00701 {
00702 _frame_counter_server = p->Recv_uint32();
00703 _frame_counter_max = p->Recv_uint32();
00704 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00705
00706
00707 if (p->pos < p->size) {
00708 _sync_frame = _frame_counter_server;
00709 _sync_seed_1 = p->Recv_uint32();
00710 #ifdef NETWORK_SEND_DOUBLE_SEED
00711 _sync_seed_2 = p->Recv_uint32();
00712 #endif
00713 }
00714 #endif
00715 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00716
00717
00718
00719 if (!_network_first_time && last_ack_frame < _frame_counter) {
00720 last_ack_frame = _frame_counter + DAY_TICKS;
00721 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00722 SEND_COMMAND(PACKET_CLIENT_ACK)();
00723 }
00724
00725 return NETWORK_RECV_STATUS_OKAY;
00726 }
00727
00728 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00729 {
00730 _sync_frame = p->Recv_uint32();
00731 _sync_seed_1 = p->Recv_uint32();
00732 #ifdef NETWORK_SEND_DOUBLE_SEED
00733 _sync_seed_2 = p->Recv_uint32();
00734 #endif
00735
00736 return NETWORK_RECV_STATUS_OKAY;
00737 }
00738
00739 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00740 {
00741 CommandPacket cp;
00742 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00743 cp.frame = p->Recv_uint32();
00744 cp.my_cmd = p->Recv_bool();
00745 cp.next = NULL;
00746
00747 if (err != NULL) {
00748 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00749 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00750 }
00751
00752
00753
00754 NetworkAddCommandQueue(cp);
00755
00756 return NETWORK_RECV_STATUS_OKAY;
00757 }
00758
00759 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00760 {
00761 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00762 const NetworkClientInfo *ci = NULL, *ci_to;
00763
00764 NetworkAction action = (NetworkAction)p->Recv_uint8();
00765 ClientID client_id = (ClientID)p->Recv_uint32();
00766 bool self_send = p->Recv_bool();
00767 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00768 int64 data = p->Recv_uint64();
00769
00770 ci_to = NetworkFindClientInfoFromClientID(client_id);
00771 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00772
00773
00774 if (self_send) {
00775 switch (action) {
00776 case NETWORK_ACTION_CHAT_CLIENT:
00777
00778 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00779 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00780 break;
00781
00782
00783 case NETWORK_ACTION_GIVE_MONEY:
00784 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00785
00786 case NETWORK_ACTION_CHAT_COMPANY: {
00787 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00788 SetDParam(0, ci_to->client_playas);
00789
00790 GetString(name, str, lastof(name));
00791 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00792 } break;
00793
00794 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00795 }
00796 } else {
00797
00798 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00799 ci = ci_to;
00800 }
00801
00802 if (ci != NULL) {
00803 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00804 }
00805 return NETWORK_RECV_STATUS_OKAY;
00806 }
00807
00808 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00809 {
00810 ClientID client_id = (ClientID)p->Recv_uint32();
00811
00812 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00813 if (ci != NULL) {
00814 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00815 delete ci;
00816 }
00817
00818 SetWindowDirty(WC_CLIENT_LIST, 0);
00819
00820 return NETWORK_RECV_STATUS_OKAY;
00821 }
00822
00823 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00824 {
00825 NetworkClientInfo *ci;
00826
00827 ClientID client_id = (ClientID)p->Recv_uint32();
00828
00829 ci = NetworkFindClientInfoFromClientID(client_id);
00830 if (ci != NULL) {
00831 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00832 delete ci;
00833 } else {
00834 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00835 }
00836
00837 SetWindowDirty(WC_CLIENT_LIST, 0);
00838
00839
00840 return NETWORK_RECV_STATUS_OKAY;
00841 }
00842
00843 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00844 {
00845 ClientID client_id = (ClientID)p->Recv_uint32();
00846
00847 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00848 if (ci != NULL) {
00849 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00850 }
00851
00852 SetWindowDirty(WC_CLIENT_LIST, 0);
00853
00854 return NETWORK_RECV_STATUS_OKAY;
00855 }
00856
00857 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00858 {
00859 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00860
00861 return NETWORK_RECV_STATUS_SERVER_ERROR;
00862 }
00863
00864 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00865 {
00866
00867
00868
00869
00870 _network_reconnect = min(_local_company + 1, 10);
00871 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00872
00873 return NETWORK_RECV_STATUS_SERVER_ERROR;
00874 }
00875
00876 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00877 {
00878 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00879
00880 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00881 p->Recv_string(rcon_out, sizeof(rcon_out));
00882
00883 IConsolePrint(colour_code, rcon_out);
00884
00885 return NETWORK_RECV_STATUS_OKAY;
00886 }
00887
00888 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00889 {
00890
00891 ClientID client_id = (ClientID)p->Recv_uint32();
00892 CompanyID company_id = (CompanyID)p->Recv_uint8();
00893
00894 if (client_id == 0) {
00895
00896 DEBUG(net, 0, "[move] received invalid client index = 0");
00897 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00898 }
00899
00900 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00901
00902 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00903
00904
00905 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00906
00907 if (client_id == _network_own_client_id) {
00908 SetLocalCompany(company_id);
00909 }
00910
00911 return NETWORK_RECV_STATUS_OKAY;
00912 }
00913
00914 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00915 {
00916 _network_server_max_companies = p->Recv_uint8();
00917 _network_server_max_spectators = p->Recv_uint8();
00918
00919 return NETWORK_RECV_STATUS_OKAY;
00920 }
00921
00922 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00923 {
00924 _network_company_passworded = p->Recv_uint16();
00925 SetWindowClassesDirty(WC_COMPANY);
00926
00927 return NETWORK_RECV_STATUS_OKAY;
00928 }
00929
00930
00931
00932 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00933
00934
00935
00936
00937
00938 static NetworkClientPacket * const _network_client_packet[] = {
00939 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00940 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00941 NULL,
00942 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00943 NULL,
00944 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00945 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00946 RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD),
00947 RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD),
00948 NULL,
00949 NULL,
00950 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00951 NULL,
00952 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00953 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00954 NULL,
00955 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00956 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00957 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00958 NULL,
00959 NULL,
00960 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00961 NULL,
00962 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00963 NULL,
00964 NULL,
00965 NULL,
00966 NULL,
00967 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00968 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00969 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00970 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00971 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00972 NULL,
00973 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00974 NULL,
00975 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00976 NULL,
00977 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00978 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00979 };
00980
00981
00982 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00983
00984
00985 void NetworkClient_Connected()
00986 {
00987
00988 _frame_counter = 0;
00989 _frame_counter_server = 0;
00990 last_ack_frame = 0;
00991
00992 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00993 }
00994
00995
00996 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00997 {
00998 Packet *p;
00999 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01000
01001 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01002 byte type = p->Recv_uint8();
01003 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
01004 res = _network_client_packet[type](p);
01005 } else {
01006 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01007 DEBUG(net, 0, "[client] received invalid packet type %d", type);
01008 }
01009
01010 delete p;
01011 }
01012
01013 return res;
01014 }
01015
01016 void NetworkClientSendRcon(const char *password, const char *command)
01017 {
01018 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
01019 }
01020
01027 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01028 {
01029 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
01030 }
01031
01032 void NetworkClientsToSpectators(CompanyID cid)
01033 {
01034
01035 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01036
01037 NetworkClientInfo *ci;
01038 FOR_ALL_CLIENT_INFOS(ci) {
01039 if (ci->client_playas != cid) continue;
01040 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01041 ci->client_playas = COMPANY_SPECTATOR;
01042 }
01043 }
01044
01045 void NetworkUpdateClientName()
01046 {
01047 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01048
01049 if (ci == NULL) return;
01050
01051
01052 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01053 if (!_network_server) {
01054 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01055 } else {
01056 if (NetworkFindName(_settings_client.network.client_name)) {
01057 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01058 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01059 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01060 }
01061 }
01062 }
01063 }
01064
01065 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01066 {
01067 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01068 }
01069
01070 static void NetworkClientSetPassword(const char *password)
01071 {
01072 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01073 }
01074
01080 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01081 {
01082
01083 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01084
01085 const NetworkClientInfo *ci;
01086 FOR_ALL_CLIENT_INFOS(ci) {
01087 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01088 }
01089
01090 return false;
01091 }
01092
01098 const char *NetworkChangeCompanyPassword(const char *password)
01099 {
01100 if (strcmp(password, "*") == 0) password = "";
01101
01102 if (!_network_server) {
01103 NetworkClientSetPassword(password);
01104 } else {
01105 HashCurrentCompanyPassword(password);
01106 }
01107
01108 return password;
01109 }
01110
01115 bool NetworkMaxCompaniesReached()
01116 {
01117 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01118 }
01119
01124 bool NetworkMaxSpectatorsReached()
01125 {
01126 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01127 }
01128
01132 void NetworkPrintClients()
01133 {
01134 NetworkClientInfo *ci;
01135 FOR_ALL_CLIENT_INFOS(ci) {
01136 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01137 ci->client_id,
01138 ci->client_name,
01139 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01140 GetClientIP(ci));
01141 }
01142 }
01143
01144 #endif