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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 }
00130
00131 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
00132 {
00133
00134
00135
00136
00137
00138
00139
00140
00141
00142
00143 Packet *p;
00144 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00145 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00146
00147 p = new Packet(PACKET_CLIENT_JOIN);
00148 p->Send_string(_openttd_revision);
00149 p->Send_string(_settings_client.network.client_name);
00150 p->Send_uint8 (_network_join_as);
00151 p->Send_uint8 (NETLANG_ANY);
00152 MY_CLIENT->Send_Packet(p);
00153 }
00154
00155 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00156 {
00157
00158
00159
00160
00161
00162
00163 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00164 MY_CLIENT->Send_Packet(p);
00165 }
00166
00167 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
00168 {
00169
00170
00171
00172
00173
00174
00175
00176 Packet *p = new Packet(PACKET_CLIENT_PASSWORD);
00177 p->Send_uint8 (type);
00178 p->Send_string(type == NETWORK_GAME_PASSWORD ? password : GenerateCompanyPasswordHash(password));
00179 MY_CLIENT->Send_Packet(p);
00180 }
00181
00182 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00183 {
00184
00185
00186
00187
00188
00189
00190
00191 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00192
00193
00194
00195
00196
00197
00198 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00199 MY_CLIENT->Send_Packet(p);
00200 }
00201
00202 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00203 {
00204
00205
00206
00207
00208
00209
00210
00211 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00212 MY_CLIENT->Send_Packet(p);
00213 }
00214
00215 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00216 {
00217
00218
00219
00220
00221
00222
00223
00224 Packet *p = new Packet(PACKET_CLIENT_ACK);
00225
00226 p->Send_uint32(_frame_counter);
00227 MY_CLIENT->Send_Packet(p);
00228 }
00229
00230
00231 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00232 {
00233
00234
00235
00236
00237
00238
00239
00240
00241
00242
00243
00244
00245
00246 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00247 MY_CLIENT->Send_Command(p, cp);
00248
00249 MY_CLIENT->Send_Packet(p);
00250 }
00251
00252
00253 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00254 {
00255
00256
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00267
00268 p->Send_uint8 (action);
00269 p->Send_uint8 (type);
00270 p->Send_uint32(dest);
00271 p->Send_string(msg);
00272 p->Send_uint64(data);
00273
00274 MY_CLIENT->Send_Packet(p);
00275 }
00276
00277
00278 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00279 {
00280
00281
00282
00283
00284
00285
00286 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00287
00288 p->Send_uint8(errorno);
00289 MY_CLIENT->Send_Packet(p);
00290 }
00291
00292 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00293 {
00294
00295
00296
00297
00298
00299
00300 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00301
00302 p->Send_string(GenerateCompanyPasswordHash(password));
00303 MY_CLIENT->Send_Packet(p);
00304 }
00305
00306 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00307 {
00308
00309
00310
00311
00312
00313
00314 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00315
00316 p->Send_string(name);
00317 MY_CLIENT->Send_Packet(p);
00318 }
00319
00320
00321 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00322 {
00323
00324
00325
00326
00327
00328 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00329
00330 MY_CLIENT->Send_Packet(p);
00331 }
00332
00333 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00334 {
00335 Packet *p = new Packet(PACKET_CLIENT_RCON);
00336 p->Send_string(pass);
00337 p->Send_string(command);
00338 MY_CLIENT->Send_Packet(p);
00339 }
00340
00341 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00342 {
00343 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00344 p->Send_uint8(company);
00345 p->Send_string(GenerateCompanyPasswordHash(pass));
00346 MY_CLIENT->Send_Packet(p);
00347 }
00348
00349
00350
00351
00352
00353
00354
00355 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00356 extern StringID _switch_mode_errorstr;
00357
00358 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00359 {
00360
00361 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00362 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00363
00364 return NETWORK_RECV_STATUS_SERVER_FULL;
00365 }
00366
00367 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00368 {
00369
00370 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00371 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00372
00373 return NETWORK_RECV_STATUS_SERVER_BANNED;
00374 }
00375
00376 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00377 {
00378 byte company_info_version = p->Recv_uint8();
00379
00380 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00381
00382 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00383
00384 CompanyID current = (Owner)p->Recv_uint8();
00385 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00386
00387 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00388 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00389
00390 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00391 company_info->inaugurated_year = p->Recv_uint32();
00392 company_info->company_value = p->Recv_uint64();
00393 company_info->money = p->Recv_uint64();
00394 company_info->income = p->Recv_uint64();
00395 company_info->performance = p->Recv_uint16();
00396 company_info->use_password = p->Recv_bool();
00397 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00398 company_info->num_vehicle[i] = p->Recv_uint16();
00399 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00400 company_info->num_station[i] = p->Recv_uint16();
00401 company_info->ai = p->Recv_bool();
00402
00403 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00404
00405 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00406
00407 return NETWORK_RECV_STATUS_OKAY;
00408 }
00409
00410 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00411 }
00412
00413
00414
00415
00416 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00417 {
00418 NetworkClientInfo *ci;
00419 ClientID client_id = (ClientID)p->Recv_uint32();
00420 CompanyID playas = (CompanyID)p->Recv_uint8();
00421 char name[NETWORK_NAME_LENGTH];
00422
00423 p->Recv_string(name, sizeof(name));
00424
00425 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00426
00427 ci = NetworkFindClientInfoFromClientID(client_id);
00428 if (ci != NULL) {
00429 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00430
00431 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00432 } else if (playas != ci->client_playas) {
00433
00434
00435 }
00436
00437 ci->client_playas = playas;
00438 strecpy(ci->client_name, name, lastof(ci->client_name));
00439
00440 SetWindowDirty(WC_CLIENT_LIST, 0);
00441
00442 return NETWORK_RECV_STATUS_OKAY;
00443 }
00444
00445
00446 ci = new NetworkClientInfo(client_id);
00447 ci->client_playas = playas;
00448 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00449
00450 strecpy(ci->client_name, name, lastof(ci->client_name));
00451
00452 SetWindowDirty(WC_CLIENT_LIST, 0);
00453
00454 return NETWORK_RECV_STATUS_OKAY;
00455 }
00456
00457 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00458 {
00459 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00460
00461 switch (error) {
00462
00463 case NETWORK_ERROR_NOT_AUTHORIZED:
00464 case NETWORK_ERROR_NOT_EXPECTED:
00465 case NETWORK_ERROR_COMPANY_MISMATCH:
00466 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00467 break;
00468 case NETWORK_ERROR_FULL:
00469 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00470 break;
00471 case NETWORK_ERROR_WRONG_REVISION:
00472 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00473 break;
00474 case NETWORK_ERROR_WRONG_PASSWORD:
00475 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00476 break;
00477 case NETWORK_ERROR_KICKED:
00478 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00479 break;
00480 case NETWORK_ERROR_CHEATER:
00481 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00482 break;
00483 default:
00484 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00485 }
00486
00487 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00488
00489 return NETWORK_RECV_STATUS_SERVER_ERROR;
00490 }
00491
00492 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00493 {
00494 uint grf_count = p->Recv_uint8();
00495 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00496
00497
00498 for (; grf_count > 0; grf_count--) {
00499 GRFConfig c;
00500 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00501
00502
00503 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00504 if (f == NULL) {
00505
00506 char buf[sizeof(c.md5sum) * 2 + 1];
00507 md5sumToString(buf, lastof(buf), c.md5sum);
00508 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00509 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00510 }
00511 }
00512
00513 if (ret == NETWORK_RECV_STATUS_OKAY) {
00514
00515 SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00516 } else {
00517
00518 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00519 }
00520 return ret;
00521 }
00522
00523 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
00524 {
00525 NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();
00526
00527 const char *password = _network_join_server_password;
00528
00529 switch (type) {
00530 case NETWORK_COMPANY_PASSWORD:
00531
00532 _password_game_seed = p->Recv_uint32();
00533 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00534 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00535 password = _network_join_company_password;
00536
00537 case NETWORK_GAME_PASSWORD:
00538 if (StrEmpty(password)) {
00539 ShowNetworkNeedPassword(type);
00540 } else {
00541 SEND_COMMAND(PACKET_CLIENT_PASSWORD)(type, password);
00542 }
00543 return NETWORK_RECV_STATUS_OKAY;
00544
00545 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00546 }
00547 }
00548
00549 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00550 {
00551 _network_own_client_id = (ClientID)p->Recv_uint32();
00552
00553
00554 _password_game_seed = p->Recv_uint32();
00555 p->Recv_string(_password_server_id, sizeof(_password_server_id));
00556
00557
00558 SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00559 return NETWORK_RECV_STATUS_OKAY;
00560 }
00561
00562 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00563 {
00564 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00565 _network_join_waiting = p->Recv_uint8();
00566 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00567
00568
00569 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00570 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00571
00572 return NETWORK_RECV_STATUS_OKAY;
00573 }
00574
00575 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00576 {
00577 static FILE *file_pointer;
00578
00579 byte maptype;
00580
00581 maptype = p->Recv_uint8();
00582
00583 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00584
00585
00586 if (maptype == MAP_PACKET_START) {
00587 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);;
00588 if (file_pointer == NULL) {
00589 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00590 return NETWORK_RECV_STATUS_SAVEGAME;
00591 }
00592
00593 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00594
00595 _network_join_bytes = 0;
00596 _network_join_bytes_total = p->Recv_uint32();
00597
00598
00599
00600
00601
00602
00603 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00604 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00605
00606 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00607 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00608
00609
00610 return NETWORK_RECV_STATUS_OKAY;
00611 }
00612
00613 if (maptype == MAP_PACKET_NORMAL) {
00614
00615 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00616 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00617 return NETWORK_RECV_STATUS_SAVEGAME;
00618 }
00619
00620 _network_join_bytes = ftell(file_pointer);
00621 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00622 }
00623
00624
00625 if (maptype == MAP_PACKET_END) {
00626 fclose(file_pointer);
00627
00628 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00629 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00630
00631
00632 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00633 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00634 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00635 return NETWORK_RECV_STATUS_SAVEGAME;
00636 }
00637
00638
00639
00640
00641 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00642
00643
00644
00645 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00646 SetLocalCompany(COMPANY_SPECTATOR);
00647
00648 if (_network_join_as != COMPANY_SPECTATOR) {
00649
00650
00651 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00652 ShowJoinStatusWindow();
00653 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00654 }
00655 } else {
00656
00657 SetLocalCompany(_network_join_as);
00658 }
00659 }
00660
00661 return NETWORK_RECV_STATUS_OKAY;
00662 }
00663
00664 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00665 {
00666 _frame_counter_server = p->Recv_uint32();
00667 _frame_counter_max = p->Recv_uint32();
00668 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00669
00670
00671 if (p->pos < p->size) {
00672 _sync_frame = _frame_counter_server;
00673 _sync_seed_1 = p->Recv_uint32();
00674 #ifdef NETWORK_SEND_DOUBLE_SEED
00675 _sync_seed_2 = p->Recv_uint32();
00676 #endif
00677 }
00678 #endif
00679 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00680
00681
00682
00683 if (!_network_first_time && last_ack_frame < _frame_counter) {
00684 last_ack_frame = _frame_counter + DAY_TICKS;
00685 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00686 SEND_COMMAND(PACKET_CLIENT_ACK)();
00687 }
00688
00689 return NETWORK_RECV_STATUS_OKAY;
00690 }
00691
00692 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00693 {
00694 _sync_frame = p->Recv_uint32();
00695 _sync_seed_1 = p->Recv_uint32();
00696 #ifdef NETWORK_SEND_DOUBLE_SEED
00697 _sync_seed_2 = p->Recv_uint32();
00698 #endif
00699
00700 return NETWORK_RECV_STATUS_OKAY;
00701 }
00702
00703 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00704 {
00705 CommandPacket cp;
00706 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00707 cp.frame = p->Recv_uint32();
00708 cp.my_cmd = p->Recv_bool();
00709 cp.next = NULL;
00710
00711 if (err != NULL) {
00712 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00713 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00714 }
00715
00716
00717
00718 NetworkAddCommandQueue(cp);
00719
00720 return NETWORK_RECV_STATUS_OKAY;
00721 }
00722
00723 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00724 {
00725 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00726 const NetworkClientInfo *ci = NULL, *ci_to;
00727
00728 NetworkAction action = (NetworkAction)p->Recv_uint8();
00729 ClientID client_id = (ClientID)p->Recv_uint32();
00730 bool self_send = p->Recv_bool();
00731 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00732 int64 data = p->Recv_uint64();
00733
00734 ci_to = NetworkFindClientInfoFromClientID(client_id);
00735 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00736
00737
00738 if (self_send) {
00739 switch (action) {
00740 case NETWORK_ACTION_CHAT_CLIENT:
00741
00742 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00743 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00744 break;
00745
00746
00747 case NETWORK_ACTION_GIVE_MONEY:
00748 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00749
00750 case NETWORK_ACTION_CHAT_COMPANY: {
00751 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00752 SetDParam(0, ci_to->client_playas);
00753
00754 GetString(name, str, lastof(name));
00755 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00756 } break;
00757
00758 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00759 }
00760 } else {
00761
00762 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00763 ci = ci_to;
00764 }
00765
00766 if (ci != NULL)
00767 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00768 return NETWORK_RECV_STATUS_OKAY;
00769 }
00770
00771 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00772 {
00773 ClientID client_id = (ClientID)p->Recv_uint32();
00774
00775 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00776 if (ci != NULL) {
00777 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00778 delete ci;
00779 }
00780
00781 SetWindowDirty(WC_CLIENT_LIST, 0);
00782
00783 return NETWORK_RECV_STATUS_OKAY;
00784 }
00785
00786 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00787 {
00788 NetworkClientInfo *ci;
00789
00790 ClientID client_id = (ClientID)p->Recv_uint32();
00791
00792 ci = NetworkFindClientInfoFromClientID(client_id);
00793 if (ci != NULL) {
00794 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00795 delete ci;
00796 } else {
00797 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00798 }
00799
00800 SetWindowDirty(WC_CLIENT_LIST, 0);
00801
00802
00803 return NETWORK_RECV_STATUS_OKAY;
00804 }
00805
00806 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00807 {
00808 ClientID client_id = (ClientID)p->Recv_uint32();
00809
00810 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00811 if (ci != NULL)
00812 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00813
00814 SetWindowDirty(WC_CLIENT_LIST, 0);
00815
00816 return NETWORK_RECV_STATUS_OKAY;
00817 }
00818
00819 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00820 {
00821 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00822
00823 return NETWORK_RECV_STATUS_SERVER_ERROR;
00824 }
00825
00826 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00827 {
00828
00829
00830
00831
00832 _network_reconnect = min(_local_company + 1, 10);
00833 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00834
00835 return NETWORK_RECV_STATUS_SERVER_ERROR;
00836 }
00837
00838 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00839 {
00840 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00841
00842 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00843 p->Recv_string(rcon_out, sizeof(rcon_out));
00844
00845 IConsolePrint(colour_code, rcon_out);
00846
00847 return NETWORK_RECV_STATUS_OKAY;
00848 }
00849
00850 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00851 {
00852
00853 ClientID client_id = (ClientID)p->Recv_uint32();
00854 CompanyID company_id = (CompanyID)p->Recv_uint8();
00855
00856 if (client_id == 0) {
00857
00858 DEBUG(net, 0, "[move] received invalid client index = 0");
00859 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00860 }
00861
00862 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00863
00864 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00865
00866
00867 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00868
00869 if (client_id == _network_own_client_id) {
00870 SetLocalCompany(company_id);
00871 }
00872
00873 return NETWORK_RECV_STATUS_OKAY;
00874 }
00875
00876 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00877 {
00878 _network_server_max_companies = p->Recv_uint8();
00879 _network_server_max_spectators = p->Recv_uint8();
00880
00881 return NETWORK_RECV_STATUS_OKAY;
00882 }
00883
00884 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00885 {
00886 _network_company_passworded = p->Recv_uint16();
00887 SetWindowClassesDirty(WC_COMPANY);
00888
00889 return NETWORK_RECV_STATUS_OKAY;
00890 }
00891
00892
00893
00894 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00895
00896
00897
00898
00899
00900 static NetworkClientPacket * const _network_client_packet[] = {
00901 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00902 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00903 NULL,
00904 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00905 NULL,
00906 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00907 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00908 RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
00909 NULL,
00910 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00911 NULL,
00912 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00913 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00914 NULL,
00915 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00916 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00917 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00918 NULL,
00919 NULL,
00920 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00921 NULL,
00922 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00923 NULL,
00924 NULL,
00925 NULL,
00926 NULL,
00927 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00928 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00929 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00930 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00931 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00932 NULL,
00933 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00934 NULL,
00935 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00936 NULL,
00937 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00938 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00939 };
00940
00941
00942 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00943
00944
00945 void NetworkClient_Connected()
00946 {
00947
00948 _frame_counter = 0;
00949 _frame_counter_server = 0;
00950 last_ack_frame = 0;
00951
00952 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00953 }
00954
00955
00956 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00957 {
00958 Packet *p;
00959 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00960
00961 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
00962 byte type = p->Recv_uint8();
00963 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
00964 res = _network_client_packet[type](p);
00965 } else {
00966 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
00967 DEBUG(net, 0, "[client] received invalid packet type %d", type);
00968 }
00969
00970 delete p;
00971 }
00972
00973 return res;
00974 }
00975
00976 void NetworkClientSendRcon(const char *password, const char *command)
00977 {
00978 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
00979 }
00980
00987 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
00988 {
00989 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
00990 }
00991
00992 void NetworkUpdateClientName()
00993 {
00994 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00995
00996 if (ci == NULL) return;
00997
00998
00999 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01000 if (!_network_server) {
01001 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01002 } else {
01003 if (NetworkFindName(_settings_client.network.client_name)) {
01004 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01005 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01006 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01007 }
01008 }
01009 }
01010 }
01011
01012 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01013 {
01014 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01015 }
01016
01017 void NetworkClientSetPassword(const char *password)
01018 {
01019 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01020 }
01021
01027 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01028 {
01029
01030 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01031
01032 const NetworkClientInfo *ci;
01033 FOR_ALL_CLIENT_INFOS(ci) {
01034 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01035 }
01036
01037 return false;
01038 }
01039
01044 bool NetworkMaxCompaniesReached()
01045 {
01046 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01047 }
01048
01053 bool NetworkMaxSpectatorsReached()
01054 {
01055 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01056 }
01057
01061 void NetworkPrintClients()
01062 {
01063 NetworkClientInfo *ci;
01064 FOR_ALL_CLIENT_INFOS(ci) {
01065 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01066 ci->client_id,
01067 ci->client_name,
01068 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01069 GetClientIP(ci));
01070 }
01071 }
01072
01073 #endif