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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 static FILE *_network_client_download_file = NULL;
00037
00038
00039 #define MY_CLIENT NetworkClientSocket::Get(0)
00040
00041 static uint32 last_ack_frame;
00042
00044 static uint32 _password_game_seed;
00046 static char _password_server_id[NETWORK_SERVER_ID_LENGTH];
00047
00049 static uint8 _network_server_max_companies;
00051 static uint8 _network_server_max_spectators;
00052
00054 CompanyID _network_join_as;
00055
00057 const char *_network_join_server_password = NULL;
00059 const char *_network_join_company_password = NULL;
00060
00062 assert_compile(NETWORK_SERVER_ID_LENGTH == 16 * 2 + 1);
00063
00069 static const char *GenerateCompanyPasswordHash(const char *password)
00070 {
00071 if (StrEmpty(password)) return password;
00072
00073 char salted_password[NETWORK_SERVER_ID_LENGTH];
00074
00075 memset(salted_password, 0, sizeof(salted_password));
00076 snprintf(salted_password, sizeof(salted_password), "%s", password);
00077
00078 for (uint i = 0; i < NETWORK_SERVER_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_id[i] ^ (_password_game_seed >> i);
00079
00080 Md5 checksum;
00081 uint8 digest[16];
00082 static char hashed_password[NETWORK_SERVER_ID_LENGTH];
00083
00084
00085 checksum.Append((const uint8*)salted_password, sizeof(salted_password) - 1);
00086 checksum.Finish(digest);
00087
00088 for (int di = 0; di < 16; di++) sprintf(hashed_password + di * 2, "%02x", digest[di]);
00089 hashed_password[lengthof(hashed_password) - 1] = '\0';
00090
00091 return hashed_password;
00092 }
00093
00097 void HashCurrentCompanyPassword(const char *password)
00098 {
00099 _password_game_seed = _settings_game.game_creation.generation_seed;
00100 strecpy(_password_server_id, _settings_client.network.network_id, lastof(_password_server_id));
00101
00102 const char *new_pw = GenerateCompanyPasswordHash(password);
00103 strecpy(_network_company_states[_local_company].password, new_pw, lastof(_network_company_states[_local_company].password));
00104
00105 if (_network_server) {
00106 NetworkServerUpdateCompanyPassworded(_local_company, !StrEmpty(_network_company_states[_local_company].password));
00107 }
00108 }
00109
00110
00111
00112
00113
00114
00115
00116 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00117 {
00118
00119
00120
00121
00122
00123
00124 Packet *p;
00125 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00126 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00127
00128 p = new Packet(PACKET_CLIENT_COMPANY_INFO);
00129 MY_CLIENT->Send_Packet(p);
00130 return NETWORK_RECV_STATUS_OKAY;
00131 }
00132
00133 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
00134 {
00135
00136
00137
00138
00139
00140
00141
00142
00143
00144
00145 Packet *p;
00146 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00147 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00148
00149 p = new Packet(PACKET_CLIENT_JOIN);
00150 p->Send_string(_openttd_revision);
00151 p->Send_string(_settings_client.network.client_name);
00152 p->Send_uint8 (_network_join_as);
00153 p->Send_uint8 (NETLANG_ANY);
00154 MY_CLIENT->Send_Packet(p);
00155 return NETWORK_RECV_STATUS_OKAY;
00156 }
00157
00158 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00159 {
00160
00161
00162
00163
00164
00165
00166 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00167 MY_CLIENT->Send_Packet(p);
00168 return NETWORK_RECV_STATUS_OKAY;
00169 }
00170
00171 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_GAME_PASSWORD)(const char *password)
00172 {
00173
00174
00175
00176
00177
00178
00179
00180 Packet *p = new Packet(PACKET_CLIENT_GAME_PASSWORD);
00181 p->Send_string(password);
00182 MY_CLIENT->Send_Packet(p);
00183 return NETWORK_RECV_STATUS_OKAY;
00184 }
00185
00186 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMPANY_PASSWORD)(const char *password)
00187 {
00188
00189
00190
00191
00192
00193
00194
00195 Packet *p = new Packet(PACKET_CLIENT_COMPANY_PASSWORD);
00196 p->Send_string(GenerateCompanyPasswordHash(password));
00197 MY_CLIENT->Send_Packet(p);
00198 return NETWORK_RECV_STATUS_OKAY;
00199 }
00200
00201 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00202 {
00203
00204
00205
00206
00207
00208
00209
00210 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00211
00212
00213
00214
00215
00216
00217 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00218 MY_CLIENT->Send_Packet(p);
00219 return NETWORK_RECV_STATUS_OKAY;
00220 }
00221
00222 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00223 {
00224
00225
00226
00227
00228
00229
00230
00231 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00232 MY_CLIENT->Send_Packet(p);
00233 return NETWORK_RECV_STATUS_OKAY;
00234 }
00235
00236 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00237 {
00238
00239
00240
00241
00242
00243
00244
00245 Packet *p = new Packet(PACKET_CLIENT_ACK);
00246
00247 p->Send_uint32(_frame_counter);
00248 MY_CLIENT->Send_Packet(p);
00249 return NETWORK_RECV_STATUS_OKAY;
00250 }
00251
00252
00253 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00254 {
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267
00268 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00269 MY_CLIENT->Send_Command(p, cp);
00270
00271 MY_CLIENT->Send_Packet(p);
00272 return NETWORK_RECV_STATUS_OKAY;
00273 }
00274
00275
00276 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00277 {
00278
00279
00280
00281
00282
00283
00284
00285
00286
00287
00288
00289 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00290
00291 p->Send_uint8 (action);
00292 p->Send_uint8 (type);
00293 p->Send_uint32(dest);
00294 p->Send_string(msg);
00295 p->Send_uint64(data);
00296
00297 MY_CLIENT->Send_Packet(p);
00298 return NETWORK_RECV_STATUS_OKAY;
00299 }
00300
00301
00302 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00303 {
00304
00305
00306
00307
00308
00309
00310 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00311
00312 p->Send_uint8(errorno);
00313 MY_CLIENT->Send_Packet(p);
00314 return NETWORK_RECV_STATUS_OKAY;
00315 }
00316
00317 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00318 {
00319
00320
00321
00322
00323
00324
00325 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00326
00327 p->Send_string(GenerateCompanyPasswordHash(password));
00328 MY_CLIENT->Send_Packet(p);
00329 return NETWORK_RECV_STATUS_OKAY;
00330 }
00331
00332 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00333 {
00334
00335
00336
00337
00338
00339
00340 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00341
00342 p->Send_string(name);
00343 MY_CLIENT->Send_Packet(p);
00344 return NETWORK_RECV_STATUS_OKAY;
00345 }
00346
00347
00348 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00349 {
00350
00351
00352
00353
00354
00355 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00356
00357 MY_CLIENT->Send_Packet(p);
00358 return NETWORK_RECV_STATUS_OKAY;
00359 }
00360
00361 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00362 {
00363 Packet *p = new Packet(PACKET_CLIENT_RCON);
00364 p->Send_string(pass);
00365 p->Send_string(command);
00366 MY_CLIENT->Send_Packet(p);
00367 return NETWORK_RECV_STATUS_OKAY;
00368 }
00369
00370 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00371 {
00372 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00373 p->Send_uint8(company);
00374 p->Send_string(GenerateCompanyPasswordHash(pass));
00375 MY_CLIENT->Send_Packet(p);
00376 return NETWORK_RECV_STATUS_OKAY;
00377 }
00378
00379
00380
00381
00382
00383
00384
00385 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00386 extern StringID _switch_mode_errorstr;
00387
00388 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00389 {
00390
00391 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00392 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00393
00394 return NETWORK_RECV_STATUS_SERVER_FULL;
00395 }
00396
00397 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00398 {
00399
00400 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00401 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00402
00403 return NETWORK_RECV_STATUS_SERVER_BANNED;
00404 }
00405
00406 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00407 {
00408 byte company_info_version = p->Recv_uint8();
00409
00410 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00411
00412 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00413
00414 CompanyID current = (Owner)p->Recv_uint8();
00415 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00416
00417 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00418 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00419
00420 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00421 company_info->inaugurated_year = p->Recv_uint32();
00422 company_info->company_value = p->Recv_uint64();
00423 company_info->money = p->Recv_uint64();
00424 company_info->income = p->Recv_uint64();
00425 company_info->performance = p->Recv_uint16();
00426 company_info->use_password = p->Recv_bool();
00427 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00428 company_info->num_vehicle[i] = p->Recv_uint16();
00429 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00430 company_info->num_station[i] = p->Recv_uint16();
00431 company_info->ai = p->Recv_bool();
00432
00433 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00434
00435 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00436
00437 return NETWORK_RECV_STATUS_OKAY;
00438 }
00439
00440 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00441 }
00442
00443
00444
00445
00446 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00447 {
00448 NetworkClientInfo *ci;
00449 ClientID client_id = (ClientID)p->Recv_uint32();
00450 CompanyID playas = (CompanyID)p->Recv_uint8();
00451 char name[NETWORK_NAME_LENGTH];
00452
00453 p->Recv_string(name, sizeof(name));
00454
00455 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00456
00457 ci = NetworkFindClientInfoFromClientID(client_id);
00458 if (ci != NULL) {
00459 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00460
00461 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00462 } else if (playas != ci->client_playas) {
00463
00464
00465 }
00466
00467
00468
00469 if (client_id == _network_own_client_id) SetLocalCompany(!Company::IsValidID(playas) ? COMPANY_SPECTATOR : playas);
00470
00471 ci->client_playas = playas;
00472 strecpy(ci->client_name, name, lastof(ci->client_name));
00473
00474 SetWindowDirty(WC_CLIENT_LIST, 0);
00475
00476 return NETWORK_RECV_STATUS_OKAY;
00477 }
00478
00479
00480 ci = new NetworkClientInfo(client_id);
00481 ci->client_playas = playas;
00482 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00483
00484 strecpy(ci->client_name, name, lastof(ci->client_name));
00485
00486 SetWindowDirty(WC_CLIENT_LIST, 0);
00487
00488 return NETWORK_RECV_STATUS_OKAY;
00489 }
00490
00491 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00492 {
00493 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00494
00495 switch (error) {
00496
00497 case NETWORK_ERROR_NOT_AUTHORIZED:
00498 case NETWORK_ERROR_NOT_EXPECTED:
00499 case NETWORK_ERROR_COMPANY_MISMATCH:
00500 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00501 break;
00502 case NETWORK_ERROR_FULL:
00503 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00504 break;
00505 case NETWORK_ERROR_WRONG_REVISION:
00506 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00507 break;
00508 case NETWORK_ERROR_WRONG_PASSWORD:
00509 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00510 break;
00511 case NETWORK_ERROR_KICKED:
00512 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00513 break;
00514 case NETWORK_ERROR_CHEATER:
00515 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00516 break;
00517 default:
00518 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00519 }
00520
00521 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00522
00523 return NETWORK_RECV_STATUS_SERVER_ERROR;
00524 }
00525
00526 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00527 {
00528 uint grf_count = p->Recv_uint8();
00529 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00530
00531
00532 for (; grf_count > 0; grf_count--) {
00533 GRFConfig c;
00534 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00535
00536
00537 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00538 if (f == NULL) {
00539
00540 char buf[sizeof(c.md5sum) * 2 + 1];
00541 md5sumToString(buf, lastof(buf), c.md5sum);
00542 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00543 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00544 }
00545 }
00546
00547 if (ret == NETWORK_RECV_STATUS_OKAY) {
00548
00549 return SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00550 }
00551
00552
00553 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00554 return ret;
00555 }
00556
00557 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD)
00558 {
00559 const char *password = _network_join_server_password;
00560 if (!StrEmpty(password)) {
00561 return SEND_COMMAND(PACKET_CLIENT_GAME_PASSWORD)(password);
00562 }
00563
00564 ShowNetworkNeedPassword(NETWORK_GAME_PASSWORD);
00565
00566 return NETWORK_RECV_STATUS_OKAY;
00567 }
00568
00569 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD)
00570 {
00571 _password_game_seed = p->Recv_uint32();
00572 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00573 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00574
00575 const char *password = _network_join_company_password;
00576 if (!StrEmpty(password)) {
00577 return SEND_COMMAND(PACKET_CLIENT_COMPANY_PASSWORD)(password);
00578 }
00579
00580 ShowNetworkNeedPassword(NETWORK_COMPANY_PASSWORD);
00581
00582 return NETWORK_RECV_STATUS_OKAY;
00583 }
00584
00585 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00586 {
00587 _network_own_client_id = (ClientID)p->Recv_uint32();
00588
00589
00590 _password_game_seed = p->Recv_uint32();
00591 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00592
00593
00594 return SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00595 }
00596
00597 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00598 {
00599 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00600 _network_join_waiting = p->Recv_uint8();
00601 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00602
00603
00604 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00605 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00606
00607 return NETWORK_RECV_STATUS_OKAY;
00608 }
00609
00610 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00611 {
00612 byte maptype;
00613
00614 maptype = p->Recv_uint8();
00615
00616 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00617
00618
00619 if (maptype == MAP_PACKET_START) {
00620 if (_network_client_download_file != NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00621 _network_client_download_file = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);
00622 if (_network_client_download_file == NULL) {
00623 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00624 return NETWORK_RECV_STATUS_SAVEGAME;
00625 }
00626
00627 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00628
00629 _network_join_bytes = 0;
00630 _network_join_bytes_total = p->Recv_uint32();
00631
00632
00633
00634
00635
00636
00637 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00638 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00639
00640 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00641 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00642
00643
00644 return NETWORK_RECV_STATUS_OKAY;
00645 }
00646
00647 if (_network_client_download_file == NULL) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00648
00649 if (maptype == MAP_PACKET_NORMAL) {
00650
00651 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, _network_client_download_file) != (size_t)(p->size - p->pos)) {
00652 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00653 fclose(_network_client_download_file);
00654 _network_client_download_file = NULL;
00655 return NETWORK_RECV_STATUS_SAVEGAME;
00656 }
00657
00658 _network_join_bytes = ftell(_network_client_download_file);
00659 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00660 }
00661
00662
00663 if (maptype == MAP_PACKET_END) {
00664 fclose(_network_client_download_file);
00665 _network_client_download_file = NULL;
00666
00667 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00668 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00669
00670
00671 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00672 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00673 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00674 return NETWORK_RECV_STATUS_SAVEGAME;
00675 }
00676
00677
00678
00679
00680 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00681
00682
00683
00684 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00685 SetLocalCompany(COMPANY_SPECTATOR);
00686
00687 if (_network_join_as != COMPANY_SPECTATOR) {
00688
00689
00690 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00691 ShowJoinStatusWindow();
00692 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00693 }
00694 } else {
00695
00696 SetLocalCompany(_network_join_as);
00697 }
00698 }
00699
00700 return NETWORK_RECV_STATUS_OKAY;
00701 }
00702
00703 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00704 {
00705 _frame_counter_server = p->Recv_uint32();
00706 _frame_counter_max = p->Recv_uint32();
00707 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00708
00709
00710 if (p->pos < p->size) {
00711 _sync_frame = _frame_counter_server;
00712 _sync_seed_1 = p->Recv_uint32();
00713 #ifdef NETWORK_SEND_DOUBLE_SEED
00714 _sync_seed_2 = p->Recv_uint32();
00715 #endif
00716 }
00717 #endif
00718 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00719
00720
00721
00722 if (!_network_first_time && last_ack_frame < _frame_counter) {
00723 last_ack_frame = _frame_counter + DAY_TICKS;
00724 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00725 SEND_COMMAND(PACKET_CLIENT_ACK)();
00726 }
00727
00728 return NETWORK_RECV_STATUS_OKAY;
00729 }
00730
00731 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00732 {
00733 _sync_frame = p->Recv_uint32();
00734 _sync_seed_1 = p->Recv_uint32();
00735 #ifdef NETWORK_SEND_DOUBLE_SEED
00736 _sync_seed_2 = p->Recv_uint32();
00737 #endif
00738
00739 return NETWORK_RECV_STATUS_OKAY;
00740 }
00741
00742 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00743 {
00744 CommandPacket cp;
00745 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00746 cp.frame = p->Recv_uint32();
00747 cp.my_cmd = p->Recv_bool();
00748 cp.next = NULL;
00749
00750 if (err != NULL) {
00751 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00752 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00753 }
00754
00755
00756
00757 NetworkAddCommandQueue(cp);
00758
00759 return NETWORK_RECV_STATUS_OKAY;
00760 }
00761
00762 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00763 {
00764 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00765 const NetworkClientInfo *ci = NULL, *ci_to;
00766
00767 NetworkAction action = (NetworkAction)p->Recv_uint8();
00768 ClientID client_id = (ClientID)p->Recv_uint32();
00769 bool self_send = p->Recv_bool();
00770 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00771 int64 data = p->Recv_uint64();
00772
00773 ci_to = NetworkFindClientInfoFromClientID(client_id);
00774 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00775
00776
00777 if (self_send) {
00778 switch (action) {
00779 case NETWORK_ACTION_CHAT_CLIENT:
00780
00781 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00782 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00783 break;
00784
00785
00786 case NETWORK_ACTION_GIVE_MONEY:
00787 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00788
00789 case NETWORK_ACTION_CHAT_COMPANY: {
00790 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00791 SetDParam(0, ci_to->client_playas);
00792
00793 GetString(name, str, lastof(name));
00794 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00795 } break;
00796
00797 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00798 }
00799 } else {
00800
00801 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00802 ci = ci_to;
00803 }
00804
00805 if (ci != NULL) {
00806 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00807 }
00808 return NETWORK_RECV_STATUS_OKAY;
00809 }
00810
00811 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00812 {
00813 ClientID client_id = (ClientID)p->Recv_uint32();
00814
00815 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00816 if (ci != NULL) {
00817 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00818 delete ci;
00819 }
00820
00821 SetWindowDirty(WC_CLIENT_LIST, 0);
00822
00823 return NETWORK_RECV_STATUS_OKAY;
00824 }
00825
00826 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00827 {
00828 NetworkClientInfo *ci;
00829
00830 ClientID client_id = (ClientID)p->Recv_uint32();
00831
00832 ci = NetworkFindClientInfoFromClientID(client_id);
00833 if (ci != NULL) {
00834 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00835 delete ci;
00836 } else {
00837 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00838 }
00839
00840 SetWindowDirty(WC_CLIENT_LIST, 0);
00841
00842
00843 return NETWORK_RECV_STATUS_OKAY;
00844 }
00845
00846 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00847 {
00848 ClientID client_id = (ClientID)p->Recv_uint32();
00849
00850 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00851 if (ci != NULL) {
00852 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00853 }
00854
00855 SetWindowDirty(WC_CLIENT_LIST, 0);
00856
00857 return NETWORK_RECV_STATUS_OKAY;
00858 }
00859
00860 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00861 {
00862 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00863
00864 return NETWORK_RECV_STATUS_SERVER_ERROR;
00865 }
00866
00867 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00868 {
00869
00870
00871
00872
00873 _network_reconnect = min(_local_company + 1, 10);
00874 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00875
00876 return NETWORK_RECV_STATUS_SERVER_ERROR;
00877 }
00878
00879 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00880 {
00881 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00882
00883 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00884 p->Recv_string(rcon_out, sizeof(rcon_out));
00885
00886 IConsolePrint(colour_code, rcon_out);
00887
00888 return NETWORK_RECV_STATUS_OKAY;
00889 }
00890
00891 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00892 {
00893
00894 ClientID client_id = (ClientID)p->Recv_uint32();
00895 CompanyID company_id = (CompanyID)p->Recv_uint8();
00896
00897 if (client_id == 0) {
00898
00899 DEBUG(net, 0, "[move] received invalid client index = 0");
00900 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00901 }
00902
00903 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00904
00905 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00906
00907
00908 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00909
00910 if (client_id == _network_own_client_id) {
00911 SetLocalCompany(company_id);
00912 }
00913
00914 return NETWORK_RECV_STATUS_OKAY;
00915 }
00916
00917 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00918 {
00919 _network_server_max_companies = p->Recv_uint8();
00920 _network_server_max_spectators = p->Recv_uint8();
00921
00922 return NETWORK_RECV_STATUS_OKAY;
00923 }
00924
00925 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00926 {
00927 _network_company_passworded = p->Recv_uint16();
00928 SetWindowClassesDirty(WC_COMPANY);
00929
00930 return NETWORK_RECV_STATUS_OKAY;
00931 }
00932
00933
00934
00935 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00936
00937
00938
00939
00940
00941 static NetworkClientPacket * const _network_client_packet[] = {
00942 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00943 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00944 NULL,
00945 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00946 NULL,
00947 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00948 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00949 RECEIVE_COMMAND(PACKET_SERVER_NEED_GAME_PASSWORD),
00950 RECEIVE_COMMAND(PACKET_SERVER_NEED_COMPANY_PASSWORD),
00951 NULL,
00952 NULL,
00953 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00954 NULL,
00955 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00956 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00957 NULL,
00958 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00959 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00960 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00961 NULL,
00962 NULL,
00963 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00964 NULL,
00965 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00966 NULL,
00967 NULL,
00968 NULL,
00969 NULL,
00970 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00971 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00972 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00973 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00974 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00975 NULL,
00976 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00977 NULL,
00978 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00979 NULL,
00980 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00981 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00982 };
00983
00984
00985 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00986
00987
00988 void NetworkClient_Connected()
00989 {
00990
00991 _frame_counter = 0;
00992 _frame_counter_server = 0;
00993 last_ack_frame = 0;
00994
00995
00996
00997 if (_network_client_download_file != NULL) {
00998 fclose(_network_client_download_file);
00999 _network_client_download_file = NULL;
01000 }
01001
01002
01003 SEND_COMMAND(PACKET_CLIENT_JOIN)();
01004 }
01005
01006
01007 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
01008 {
01009 Packet *p;
01010 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
01011
01012 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
01013 byte type = p->Recv_uint8();
01014 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
01015 res = _network_client_packet[type](p);
01016 } else {
01017 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
01018 DEBUG(net, 0, "[client] received invalid packet type %d", type);
01019 }
01020
01021 delete p;
01022 }
01023
01024 return res;
01025 }
01026
01027 void NetworkClientSendRcon(const char *password, const char *command)
01028 {
01029 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
01030 }
01031
01038 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
01039 {
01040 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
01041 }
01042
01043 void NetworkClientsToSpectators(CompanyID cid)
01044 {
01045
01046 if (cid == _local_company) SetLocalCompany(COMPANY_SPECTATOR);
01047
01048 NetworkClientInfo *ci;
01049 FOR_ALL_CLIENT_INFOS(ci) {
01050 if (ci->client_playas != cid) continue;
01051 NetworkTextMessage(NETWORK_ACTION_COMPANY_SPECTATOR, CC_DEFAULT, false, ci->client_name);
01052 ci->client_playas = COMPANY_SPECTATOR;
01053 }
01054 }
01055
01056 void NetworkUpdateClientName()
01057 {
01058 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
01059
01060 if (ci == NULL) return;
01061
01062
01063 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01064 if (!_network_server) {
01065 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01066 } else {
01067 if (NetworkFindName(_settings_client.network.client_name)) {
01068 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01069 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01070 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01071 }
01072 }
01073 }
01074 }
01075
01076 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01077 {
01078 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01079 }
01080
01081 static void NetworkClientSetPassword(const char *password)
01082 {
01083 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01084 }
01085
01091 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01092 {
01093
01094 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01095
01096 const NetworkClientInfo *ci;
01097 FOR_ALL_CLIENT_INFOS(ci) {
01098 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01099 }
01100
01101 return false;
01102 }
01103
01109 const char *NetworkChangeCompanyPassword(const char *password)
01110 {
01111 if (strcmp(password, "*") == 0) password = "";
01112
01113 if (!_network_server) {
01114 NetworkClientSetPassword(password);
01115 } else {
01116 HashCurrentCompanyPassword(password);
01117 }
01118
01119 return password;
01120 }
01121
01126 bool NetworkMaxCompaniesReached()
01127 {
01128 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01129 }
01130
01135 bool NetworkMaxSpectatorsReached()
01136 {
01137 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01138 }
01139
01143 void NetworkPrintClients()
01144 {
01145 NetworkClientInfo *ci;
01146 FOR_ALL_CLIENT_INFOS(ci) {
01147 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01148 ci->client_id,
01149 ci->client_name,
01150 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01151 GetClientIP(ci));
01152 }
01153 }
01154
01155 #endif