00001
00002
00005 #ifdef ENABLE_NETWORK
00006
00007 #include "../stdafx.h"
00008 #include "../debug.h"
00009 #include "../openttd.h"
00010 #include "../gfx_func.h"
00011 #include "network_internal.h"
00012 #include "network_gui.h"
00013 #include "../saveload/saveload.h"
00014 #include "../command_func.h"
00015 #include "../console_func.h"
00016 #include "../fileio_func.h"
00017 #include "../md5.h"
00018 #include "../strings_func.h"
00019 #include "../window_func.h"
00020 #include "../string_func.h"
00021 #include "../company_func.h"
00022 #include "../company_base.h"
00023 #include "../company_gui.h"
00024 #include "../settings_type.h"
00025 #include "../rev.h"
00026
00027 #include "table/strings.h"
00028
00029
00030
00031
00032
00033 #define MY_CLIENT GetNetworkClientSocket(0)
00034
00035 static uint32 last_ack_frame;
00036
00038 static uint32 _password_game_seed;
00040 static char _password_server_unique_id[NETWORK_UNIQUE_ID_LENGTH];
00041
00043 static uint8 _network_server_max_companies;
00045 static uint8 _network_server_max_spectators;
00046
00048 assert_compile(NETWORK_UNIQUE_ID_LENGTH == 16 * 2 + 1);
00049
00055 static const char *GenerateCompanyPasswordHash(const char *password)
00056 {
00057 if (StrEmpty(password)) return password;
00058
00059 char salted_password[NETWORK_UNIQUE_ID_LENGTH];
00060
00061 memset(salted_password, 0, sizeof(salted_password));
00062 snprintf(salted_password, sizeof(salted_password), "%s", password);
00063
00064 for (uint i = 0; i < NETWORK_UNIQUE_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_unique_id[i] ^ (_password_game_seed >> i);
00065
00066 Md5 checksum;
00067 uint8 digest[16];
00068 static char hashed_password[NETWORK_UNIQUE_ID_LENGTH];
00069
00070
00071 checksum.Append((const uint8*)salted_password, sizeof(salted_password) - 1);
00072 checksum.Finish(digest);
00073
00074 for (int di = 0; di < 16; di++) sprintf(hashed_password + di * 2, "%02x", digest[di]);
00075 hashed_password[lengthof(hashed_password) - 1] = '\0';
00076
00077 return hashed_password;
00078 }
00079
00083 void HashCurrentCompanyPassword(const char *password)
00084 {
00085 _password_game_seed = _settings_game.game_creation.generation_seed;
00086 strecpy(_password_server_unique_id, _settings_client.network.network_id, lastof(_password_server_unique_id));
00087
00088 const char *new_pw = GenerateCompanyPasswordHash(password);
00089 strecpy(_network_company_states[_local_company].password, new_pw, lastof(_network_company_states[_local_company].password));
00090
00091 if (_network_server) {
00092 NetworkServerUpdateCompanyPassworded(_local_company, !StrEmpty(_network_company_states[_local_company].password));
00093 }
00094 }
00095
00096
00097
00098
00099
00100
00101
00102 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_COMPANY_INFO)
00103 {
00104
00105
00106
00107
00108
00109
00110 Packet *p;
00111 _network_join_status = NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO;
00112 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00113
00114 p = NetworkSend_Init(PACKET_CLIENT_COMPANY_INFO);
00115 MY_CLIENT->Send_Packet(p);
00116 }
00117
00118 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_JOIN)
00119 {
00120
00121
00122
00123
00124
00125
00126
00127
00128
00129
00130
00131 Packet *p;
00132 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00133 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00134
00135 p = NetworkSend_Init(PACKET_CLIENT_JOIN);
00136 p->Send_string(_openttd_revision);
00137 p->Send_string(_settings_client.network.client_name);
00138 p->Send_uint8 (_network_playas);
00139 p->Send_uint8 (NETLANG_ANY);
00140 p->Send_string(_settings_client.network.network_id);
00141 MY_CLIENT->Send_Packet(p);
00142 }
00143
00144 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00145 {
00146
00147
00148
00149
00150
00151
00152 Packet *p = NetworkSend_Init(PACKET_CLIENT_NEWGRFS_CHECKED);
00153 MY_CLIENT->Send_Packet(p);
00154 }
00155
00156 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
00157 {
00158
00159
00160
00161
00162
00163
00164
00165 Packet *p = NetworkSend_Init(PACKET_CLIENT_PASSWORD);
00166 p->Send_uint8 (type);
00167 p->Send_string(type == NETWORK_GAME_PASSWORD ? password : GenerateCompanyPasswordHash(password));
00168 MY_CLIENT->Send_Packet(p);
00169 }
00170
00171 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00172 {
00173
00174
00175
00176
00177
00178
00179
00180 Packet *p = NetworkSend_Init(PACKET_CLIENT_GETMAP);
00181 MY_CLIENT->Send_Packet(p);
00182 }
00183
00184 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00185 {
00186
00187
00188
00189
00190
00191
00192
00193 Packet *p = NetworkSend_Init(PACKET_CLIENT_MAP_OK);
00194 MY_CLIENT->Send_Packet(p);
00195 }
00196
00197 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00198 {
00199
00200
00201
00202
00203
00204
00205
00206 Packet *p = NetworkSend_Init(PACKET_CLIENT_ACK);
00207
00208 p->Send_uint32(_frame_counter);
00209 MY_CLIENT->Send_Packet(p);
00210 }
00211
00212
00213 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00214 {
00215
00216
00217
00218
00219
00220
00221
00222
00223
00224
00225
00226
00227
00228 Packet *p = NetworkSend_Init(PACKET_CLIENT_COMMAND);
00229 MY_CLIENT->Send_Command(p, cp);
00230
00231 MY_CLIENT->Send_Packet(p);
00232 }
00233
00234
00235 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00236 {
00237
00238
00239
00240
00241
00242
00243
00244
00245
00246
00247
00248 Packet *p = NetworkSend_Init(PACKET_CLIENT_CHAT);
00249
00250 p->Send_uint8 (action);
00251 p->Send_uint8 (type);
00252 p->Send_uint32(dest);
00253 p->Send_string(msg);
00254 p->Send_uint64(data);
00255
00256 MY_CLIENT->Send_Packet(p);
00257 }
00258
00259
00260 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00261 {
00262
00263
00264
00265
00266
00267
00268 Packet *p = NetworkSend_Init(PACKET_CLIENT_ERROR);
00269
00270 p->Send_uint8(errorno);
00271 MY_CLIENT->Send_Packet(p);
00272 }
00273
00274 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00275 {
00276
00277
00278
00279
00280
00281
00282 Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_PASSWORD);
00283
00284 p->Send_string(GenerateCompanyPasswordHash(password));
00285 MY_CLIENT->Send_Packet(p);
00286 }
00287
00288 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00289 {
00290
00291
00292
00293
00294
00295
00296 Packet *p = NetworkSend_Init(PACKET_CLIENT_SET_NAME);
00297
00298 p->Send_string(name);
00299 MY_CLIENT->Send_Packet(p);
00300 }
00301
00302
00303 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00304 {
00305
00306
00307
00308
00309
00310 Packet *p = NetworkSend_Init(PACKET_CLIENT_QUIT);
00311
00312 MY_CLIENT->Send_Packet(p);
00313 }
00314
00315 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00316 {
00317 Packet *p = NetworkSend_Init(PACKET_CLIENT_RCON);
00318 p->Send_string(pass);
00319 p->Send_string(command);
00320 MY_CLIENT->Send_Packet(p);
00321 }
00322
00323 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00324 {
00325 Packet *p = NetworkSend_Init(PACKET_CLIENT_MOVE);
00326 p->Send_uint8(company);
00327 p->Send_string(GenerateCompanyPasswordHash(pass));
00328 MY_CLIENT->Send_Packet(p);
00329 }
00330
00331
00332
00333
00334
00335
00336
00337 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00338 extern StringID _switch_mode_errorstr;
00339
00340 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00341 {
00342
00343 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_FULL;
00344 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00345
00346 return NETWORK_RECV_STATUS_SERVER_FULL;
00347 }
00348
00349 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00350 {
00351
00352 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_BANNED;
00353 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00354
00355 return NETWORK_RECV_STATUS_SERVER_BANNED;
00356 }
00357
00358 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00359 {
00360 byte company_info_version = p->Recv_uint8();
00361
00362 if (!MY_CLIENT->has_quit && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00363
00364 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00365
00366 CompanyID current = (Owner)p->Recv_uint8();
00367 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00368
00369 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00370 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00371
00372 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00373 company_info->inaugurated_year = p->Recv_uint32();
00374 company_info->company_value = p->Recv_uint64();
00375 company_info->money = p->Recv_uint64();
00376 company_info->income = p->Recv_uint64();
00377 company_info->performance = p->Recv_uint16();
00378 company_info->use_password = p->Recv_bool();
00379 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00380 company_info->num_vehicle[i] = p->Recv_uint16();
00381 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00382 company_info->num_station[i] = p->Recv_uint16();
00383 company_info->ai = p->Recv_bool();
00384
00385 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00386
00387 InvalidateWindow(WC_NETWORK_WINDOW, 0);
00388
00389 return NETWORK_RECV_STATUS_OKAY;
00390 }
00391
00392 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00393 }
00394
00395
00396
00397
00398 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00399 {
00400 NetworkClientInfo *ci;
00401 ClientID client_id = (ClientID)p->Recv_uint32();
00402 CompanyID playas = (CompanyID)p->Recv_uint8();
00403 char name[NETWORK_NAME_LENGTH];
00404
00405 p->Recv_string(name, sizeof(name));
00406
00407 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00408
00409
00410 if (client_id == _network_own_client_id) _network_playas = playas;
00411
00412 ci = NetworkFindClientInfoFromClientID(client_id);
00413 if (ci != NULL) {
00414 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00415
00416 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00417 } else if (playas != ci->client_playas) {
00418
00419
00420 }
00421
00422 ci->client_playas = playas;
00423 strecpy(ci->client_name, name, lastof(ci->client_name));
00424
00425 InvalidateWindow(WC_CLIENT_LIST, 0);
00426
00427 return NETWORK_RECV_STATUS_OKAY;
00428 }
00429
00430
00431 ci = new NetworkClientInfo(client_id);
00432 ci->client_playas = playas;
00433 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00434
00435 strecpy(ci->client_name, name, lastof(ci->client_name));
00436
00437 InvalidateWindow(WC_CLIENT_LIST, 0);
00438
00439 return NETWORK_RECV_STATUS_OKAY;
00440 }
00441
00442 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00443 {
00444 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00445
00446 switch (error) {
00447
00448 case NETWORK_ERROR_NOT_AUTHORIZED:
00449 case NETWORK_ERROR_NOT_EXPECTED:
00450 case NETWORK_ERROR_COMPANY_MISMATCH:
00451 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_ERROR;
00452 break;
00453 case NETWORK_ERROR_FULL:
00454 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_FULL;
00455 break;
00456 case NETWORK_ERROR_WRONG_REVISION:
00457 _switch_mode_errorstr = STR_NETWORK_ERR_WRONG_REVISION;
00458 break;
00459 case NETWORK_ERROR_WRONG_PASSWORD:
00460 _switch_mode_errorstr = STR_NETWORK_ERR_WRONG_PASSWORD;
00461 break;
00462 case NETWORK_ERROR_KICKED:
00463 _switch_mode_errorstr = STR_NETWORK_ERR_KICKED;
00464 break;
00465 case NETWORK_ERROR_CHEATER:
00466 _switch_mode_errorstr = STR_NETWORK_ERR_CHEATER;
00467 break;
00468 default:
00469 _switch_mode_errorstr = STR_NETWORK_ERR_LOSTCONNECTION;
00470 }
00471
00472 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00473
00474 return NETWORK_RECV_STATUS_SERVER_ERROR;
00475 }
00476
00477 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00478 {
00479 uint grf_count = p->Recv_uint8();
00480 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00481
00482
00483 for (; grf_count > 0; grf_count--) {
00484 GRFConfig c;
00485 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00486
00487
00488 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00489 if (f == NULL) {
00490
00491 char buf[sizeof(c.md5sum) * 2 + 1];
00492 md5sumToString(buf, lastof(buf), c.md5sum);
00493 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00494 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00495 }
00496 }
00497
00498 if (ret == NETWORK_RECV_STATUS_OKAY) {
00499
00500 SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00501 } else {
00502
00503 _switch_mode_errorstr = STR_NETWORK_ERR_NEWGRF_MISMATCH;
00504 }
00505 return ret;
00506 }
00507
00508 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
00509 {
00510 NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();
00511
00512 switch (type) {
00513 case NETWORK_COMPANY_PASSWORD:
00514
00515 _password_game_seed = p->Recv_uint32();
00516 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00517 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00518
00519 case NETWORK_GAME_PASSWORD:
00520 ShowNetworkNeedPassword(type);
00521 return NETWORK_RECV_STATUS_OKAY;
00522
00523 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00524 }
00525 }
00526
00527 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00528 {
00529 _network_own_client_id = (ClientID)p->Recv_uint32();
00530
00531
00532 _password_game_seed = p->Recv_uint32();
00533 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00534
00535
00536 SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00537 return NETWORK_RECV_STATUS_OKAY;
00538 }
00539
00540 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00541 {
00542 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00543 _network_join_waiting = p->Recv_uint8();
00544 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00545
00546
00547 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00548 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00549
00550 return NETWORK_RECV_STATUS_OKAY;
00551 }
00552
00553 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00554 {
00555 static FILE *file_pointer;
00556
00557 byte maptype;
00558
00559 maptype = p->Recv_uint8();
00560
00561 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00562
00563
00564 if (maptype == MAP_PACKET_START) {
00565 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);;
00566 if (file_pointer == NULL) {
00567 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00568 return NETWORK_RECV_STATUS_SAVEGAME;
00569 }
00570
00571 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00572
00573 _network_join_bytes = 0;
00574 _network_join_bytes_total = p->Recv_uint32();
00575
00576
00577
00578
00579
00580
00581 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00582 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00583
00584 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00585 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00586
00587
00588 return NETWORK_RECV_STATUS_OKAY;
00589 }
00590
00591 if (maptype == MAP_PACKET_NORMAL) {
00592
00593 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00594 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00595 return NETWORK_RECV_STATUS_SAVEGAME;
00596 }
00597
00598 _network_join_bytes = ftell(file_pointer);
00599 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00600 }
00601
00602
00603 if (maptype == MAP_PACKET_END) {
00604 fclose(file_pointer);
00605
00606 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00607 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00608
00609
00610 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00611 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00612 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00613 return NETWORK_RECV_STATUS_SAVEGAME;
00614 }
00615
00616
00617
00618
00619 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00620
00621
00622
00623 if (_network_playas == COMPANY_NEW_COMPANY || !IsValidCompanyID(_network_playas)) {
00624 SetLocalCompany(COMPANY_SPECTATOR);
00625
00626 if (_network_playas != COMPANY_SPECTATOR) {
00627
00628
00629 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00630 ShowJoinStatusWindow();
00631 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL);
00632 }
00633 } else {
00634
00635 SetLocalCompany(_network_playas);
00636 }
00637 }
00638
00639 return NETWORK_RECV_STATUS_OKAY;
00640 }
00641
00642 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00643 {
00644 _frame_counter_server = p->Recv_uint32();
00645 _frame_counter_max = p->Recv_uint32();
00646 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00647
00648
00649 if (p->pos < p->size) {
00650 _sync_frame = _frame_counter_server;
00651 _sync_seed_1 = p->Recv_uint32();
00652 #ifdef NETWORK_SEND_DOUBLE_SEED
00653 _sync_seed_2 = p->Recv_uint32();
00654 #endif
00655 }
00656 #endif
00657 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00658
00659
00660
00661 if (!_network_first_time && last_ack_frame < _frame_counter) {
00662 last_ack_frame = _frame_counter + DAY_TICKS;
00663 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00664 SEND_COMMAND(PACKET_CLIENT_ACK)();
00665 }
00666
00667 return NETWORK_RECV_STATUS_OKAY;
00668 }
00669
00670 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00671 {
00672 _sync_frame = p->Recv_uint32();
00673 _sync_seed_1 = p->Recv_uint32();
00674 #ifdef NETWORK_SEND_DOUBLE_SEED
00675 _sync_seed_2 = p->Recv_uint32();
00676 #endif
00677
00678 return NETWORK_RECV_STATUS_OKAY;
00679 }
00680
00681 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00682 {
00683 CommandPacket cp;
00684 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00685 cp.frame = p->Recv_uint32();
00686 cp.my_cmd = p->Recv_bool();
00687 cp.next = NULL;
00688
00689 if (err != NULL) {
00690 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00691 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00692 }
00693
00694
00695
00696 NetworkAddCommandQueue(cp);
00697
00698 return NETWORK_RECV_STATUS_OKAY;
00699 }
00700
00701 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00702 {
00703 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00704 const NetworkClientInfo *ci = NULL, *ci_to;
00705
00706 NetworkAction action = (NetworkAction)p->Recv_uint8();
00707 ClientID client_id = (ClientID)p->Recv_uint32();
00708 bool self_send = p->Recv_bool();
00709 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00710 int64 data = p->Recv_uint64();
00711
00712 ci_to = NetworkFindClientInfoFromClientID(client_id);
00713 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00714
00715
00716 if (self_send) {
00717 switch (action) {
00718 case NETWORK_ACTION_CHAT_CLIENT:
00719
00720 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00721 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00722 break;
00723
00724
00725 case NETWORK_ACTION_GIVE_MONEY:
00726 if (!IsValidCompanyID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00727
00728 case NETWORK_ACTION_CHAT_COMPANY: {
00729 StringID str = IsValidCompanyID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00730 SetDParam(0, ci_to->client_playas);
00731
00732 GetString(name, str, lastof(name));
00733 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00734 } break;
00735
00736 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00737 }
00738 } else {
00739
00740 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00741 ci = ci_to;
00742 }
00743
00744 if (ci != NULL)
00745 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00746 return NETWORK_RECV_STATUS_OKAY;
00747 }
00748
00749 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00750 {
00751 ClientID client_id = (ClientID)p->Recv_uint32();
00752
00753 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00754 if (ci != NULL) {
00755 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00756 delete ci;
00757 }
00758
00759 InvalidateWindow(WC_CLIENT_LIST, 0);
00760
00761 return NETWORK_RECV_STATUS_OKAY;
00762 }
00763
00764 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00765 {
00766 NetworkClientInfo *ci;
00767
00768 ClientID client_id = (ClientID)p->Recv_uint32();
00769
00770 ci = NetworkFindClientInfoFromClientID(client_id);
00771 if (ci != NULL) {
00772 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_CLIENT_LEAVING);
00773 delete ci;
00774 } else {
00775 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00776 }
00777
00778 InvalidateWindow(WC_CLIENT_LIST, 0);
00779
00780
00781 return NETWORK_RECV_STATUS_OKAY;
00782 }
00783
00784 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00785 {
00786 ClientID client_id = (ClientID)p->Recv_uint32();
00787
00788 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00789 if (ci != NULL)
00790 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00791
00792 InvalidateWindow(WC_CLIENT_LIST, 0);
00793
00794 return NETWORK_RECV_STATUS_OKAY;
00795 }
00796
00797 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00798 {
00799 _switch_mode_errorstr = STR_NETWORK_SERVER_SHUTDOWN;
00800
00801 return NETWORK_RECV_STATUS_SERVER_ERROR;
00802 }
00803
00804 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00805 {
00806
00807
00808
00809
00810 _network_reconnect = min(_local_company + 1, 10);
00811 _switch_mode_errorstr = STR_NETWORK_SERVER_REBOOT;
00812
00813 return NETWORK_RECV_STATUS_SERVER_ERROR;
00814 }
00815
00816 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00817 {
00818 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00819
00820 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00821 p->Recv_string(rcon_out, sizeof(rcon_out));
00822
00823 IConsolePrint(colour_code, rcon_out);
00824
00825 return NETWORK_RECV_STATUS_OKAY;
00826 }
00827
00828 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00829 {
00830
00831 ClientID client_id = (ClientID)p->Recv_uint32();
00832 CompanyID company_id = (CompanyID)p->Recv_uint8();
00833
00834 if (client_id == 0) {
00835
00836 DEBUG(net, 0, "[move] received invalid client index = 0");
00837 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00838 }
00839
00840 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00841
00842 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00843
00844
00845 if (!IsValidCompanyID(company_id)) company_id = COMPANY_SPECTATOR;
00846
00847 if (client_id == _network_own_client_id) {
00848 _network_playas = company_id;
00849 SetLocalCompany(company_id);
00850 }
00851
00852 return NETWORK_RECV_STATUS_OKAY;
00853 }
00854
00855 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00856 {
00857 _network_server_max_companies = p->Recv_uint8();
00858 _network_server_max_spectators = p->Recv_uint8();
00859
00860 return NETWORK_RECV_STATUS_OKAY;
00861 }
00862
00863 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00864 {
00865 _network_company_passworded = p->Recv_uint16();
00866 InvalidateWindowClasses(WC_COMPANY);
00867
00868 return NETWORK_RECV_STATUS_OKAY;
00869 }
00870
00871
00872
00873 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00874
00875
00876
00877
00878
00879 static NetworkClientPacket * const _network_client_packet[] = {
00880 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00881 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00882 NULL,
00883 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00884 NULL,
00885 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00886 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00887 RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
00888 NULL,
00889 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00890 NULL,
00891 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00892 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00893 NULL,
00894 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00895 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00896 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00897 NULL,
00898 NULL,
00899 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00900 NULL,
00901 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00902 NULL,
00903 NULL,
00904 NULL,
00905 NULL,
00906 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00907 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00908 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00909 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00910 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00911 NULL,
00912 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00913 NULL,
00914 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00915 NULL,
00916 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00917 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00918 };
00919
00920
00921 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00922
00923
00924 void NetworkClient_Connected()
00925 {
00926
00927 _frame_counter = 0;
00928 _frame_counter_server = 0;
00929 last_ack_frame = 0;
00930
00931 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00932 }
00933
00934
00935 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00936 {
00937 Packet *p;
00938 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00939
00940 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet(&res)) != NULL) {
00941 byte type = p->Recv_uint8();
00942 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->has_quit) {
00943 res = _network_client_packet[type](p);
00944 } else {
00945 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
00946 DEBUG(net, 0, "[client] received invalid packet type %d", type);
00947 }
00948
00949 delete p;
00950 }
00951
00952 return res;
00953 }
00954
00955 void NetworkClientSendRcon(const char *password, const char *command)
00956 {
00957 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
00958 }
00959
00966 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
00967 {
00968 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
00969 }
00970
00971 void NetworkUpdateClientName()
00972 {
00973 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00974
00975 if (ci == NULL) return;
00976
00977
00978 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
00979 if (!_network_server) {
00980 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
00981 } else {
00982 if (NetworkFindName(_settings_client.network.client_name)) {
00983 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
00984 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
00985 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
00986 }
00987 }
00988 }
00989 }
00990
00991 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00992 {
00993 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
00994 }
00995
00996 void NetworkClientSetPassword(const char *password)
00997 {
00998 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
00999 }
01000
01006 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01007 {
01008
01009 if (!_settings_client.gui.prefer_teamchat || !IsValidCompanyID(cio->client_playas)) return false;
01010
01011 const NetworkClientInfo *ci;
01012 FOR_ALL_CLIENT_INFOS(ci) {
01013 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01014 }
01015
01016 return false;
01017 }
01018
01023 bool NetworkMaxCompaniesReached()
01024 {
01025 return ActiveCompanyCount() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01026 }
01027
01032 bool NetworkMaxSpectatorsReached()
01033 {
01034 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01035 }
01036
01040 void NetworkPrintClients()
01041 {
01042 const NetworkClientInfo *ci;
01043 FOR_ALL_CLIENT_INFOS(ci) {
01044 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01045 ci->client_id,
01046 ci->client_name,
01047 ci->client_playas + (IsValidCompanyID(ci->client_playas) ? 1 : 0),
01048 GetClientIP(ci));
01049 }
01050 }
01051
01052 #endif