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, int 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
00384 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00385
00386 InvalidateWindow(WC_NETWORK_WINDOW, 0);
00387
00388 return NETWORK_RECV_STATUS_OKAY;
00389 }
00390
00391 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00392 }
00393
00394
00395
00396
00397 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00398 {
00399 NetworkClientInfo *ci;
00400 ClientID client_id = (ClientID)p->Recv_uint32();
00401 CompanyID playas = (CompanyID)p->Recv_uint8();
00402 char name[NETWORK_NAME_LENGTH];
00403
00404 p->Recv_string(name, sizeof(name));
00405
00406 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00407
00408
00409 if (client_id == _network_own_client_id) _network_playas = playas;
00410
00411 ci = NetworkFindClientInfoFromClientID(client_id);
00412 if (ci != NULL) {
00413 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00414
00415 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00416 } else if (playas != ci->client_playas) {
00417
00418
00419 }
00420
00421 ci->client_playas = playas;
00422 strecpy(ci->client_name, name, lastof(ci->client_name));
00423
00424 InvalidateWindow(WC_CLIENT_LIST, 0);
00425
00426 return NETWORK_RECV_STATUS_OKAY;
00427 }
00428
00429
00430 ci = new NetworkClientInfo(client_id);
00431 ci->client_playas = playas;
00432 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00433
00434 strecpy(ci->client_name, name, lastof(ci->client_name));
00435
00436 InvalidateWindow(WC_CLIENT_LIST, 0);
00437
00438 return NETWORK_RECV_STATUS_OKAY;
00439 }
00440
00441 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00442 {
00443 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00444
00445 switch (error) {
00446
00447 case NETWORK_ERROR_NOT_AUTHORIZED:
00448 case NETWORK_ERROR_NOT_EXPECTED:
00449 case NETWORK_ERROR_COMPANY_MISMATCH:
00450 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_ERROR;
00451 break;
00452 case NETWORK_ERROR_FULL:
00453 _switch_mode_errorstr = STR_NETWORK_ERR_SERVER_FULL;
00454 break;
00455 case NETWORK_ERROR_WRONG_REVISION:
00456 _switch_mode_errorstr = STR_NETWORK_ERR_WRONG_REVISION;
00457 break;
00458 case NETWORK_ERROR_WRONG_PASSWORD:
00459 _switch_mode_errorstr = STR_NETWORK_ERR_WRONG_PASSWORD;
00460 break;
00461 case NETWORK_ERROR_KICKED:
00462 _switch_mode_errorstr = STR_NETWORK_ERR_KICKED;
00463 break;
00464 case NETWORK_ERROR_CHEATER:
00465 _switch_mode_errorstr = STR_NETWORK_ERR_CHEATER;
00466 break;
00467 default:
00468 _switch_mode_errorstr = STR_NETWORK_ERR_LOSTCONNECTION;
00469 }
00470
00471 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00472
00473 return NETWORK_RECV_STATUS_SERVER_ERROR;
00474 }
00475
00476 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00477 {
00478 uint grf_count = p->Recv_uint8();
00479 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00480
00481
00482 for (; grf_count > 0; grf_count--) {
00483 GRFConfig c;
00484 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00485
00486
00487 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00488 if (f == NULL) {
00489
00490 char buf[sizeof(c.md5sum) * 2 + 1];
00491 md5sumToString(buf, lastof(buf), c.md5sum);
00492 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00493 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00494 }
00495 }
00496
00497 if (ret == NETWORK_RECV_STATUS_OKAY) {
00498
00499 SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00500 } else {
00501
00502 _switch_mode_errorstr = STR_NETWORK_ERR_NEWGRF_MISMATCH;
00503 }
00504 return ret;
00505 }
00506
00507 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
00508 {
00509 NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();
00510
00511 switch (type) {
00512 case NETWORK_COMPANY_PASSWORD:
00513
00514 _password_game_seed = p->Recv_uint32();
00515 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00516 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00517
00518 case NETWORK_GAME_PASSWORD:
00519 ShowNetworkNeedPassword(type);
00520 return NETWORK_RECV_STATUS_OKAY;
00521
00522 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00523 }
00524 }
00525
00526 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00527 {
00528 _network_own_client_id = (ClientID)p->Recv_uint32();
00529
00530
00531 _password_game_seed = p->Recv_uint32();
00532 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00533
00534
00535 SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00536 return NETWORK_RECV_STATUS_OKAY;
00537 }
00538
00539 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00540 {
00541 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00542 _network_join_waiting = p->Recv_uint8();
00543 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00544
00545
00546 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00547 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00548
00549 return NETWORK_RECV_STATUS_OKAY;
00550 }
00551
00552 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00553 {
00554 static FILE *file_pointer;
00555
00556 byte maptype;
00557
00558 maptype = p->Recv_uint8();
00559
00560 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00561
00562
00563 if (maptype == MAP_PACKET_START) {
00564 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);;
00565 if (file_pointer == NULL) {
00566 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00567 return NETWORK_RECV_STATUS_SAVEGAME;
00568 }
00569
00570 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00571
00572 _network_join_bytes = 0;
00573 _network_join_bytes_total = p->Recv_uint32();
00574
00575
00576
00577
00578
00579
00580 if (MY_CLIENT->has_quit) return NETWORK_RECV_STATUS_CONN_LOST;
00581 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00582
00583 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00584 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00585
00586
00587 return NETWORK_RECV_STATUS_OKAY;
00588 }
00589
00590 if (maptype == MAP_PACKET_NORMAL) {
00591
00592 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00593 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00594 return NETWORK_RECV_STATUS_SAVEGAME;
00595 }
00596
00597 _network_join_bytes = ftell(file_pointer);
00598 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00599 }
00600
00601
00602 if (maptype == MAP_PACKET_END) {
00603 fclose(file_pointer);
00604
00605 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00606 InvalidateWindow(WC_NETWORK_STATUS_WINDOW, 0);
00607
00608
00609 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00610 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00611 _switch_mode_errorstr = STR_NETWORK_ERR_SAVEGAMEERROR;
00612 return NETWORK_RECV_STATUS_SAVEGAME;
00613 }
00614
00615
00616
00617
00618 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00619
00620
00621
00622 if (_network_playas == COMPANY_NEW_COMPANY || !IsValidCompanyID(_network_playas)) {
00623 SetLocalCompany(COMPANY_SPECTATOR);
00624
00625 if (_network_playas != COMPANY_SPECTATOR) {
00626
00627
00628 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00629 ShowJoinStatusWindow();
00630 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL);
00631 }
00632 } else {
00633
00634 SetLocalCompany(_network_playas);
00635 }
00636 }
00637
00638 return NETWORK_RECV_STATUS_OKAY;
00639 }
00640
00641 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00642 {
00643 _frame_counter_server = p->Recv_uint32();
00644 _frame_counter_max = p->Recv_uint32();
00645 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00646
00647
00648 if (p->pos < p->size) {
00649 _sync_frame = _frame_counter_server;
00650 _sync_seed_1 = p->Recv_uint32();
00651 #ifdef NETWORK_SEND_DOUBLE_SEED
00652 _sync_seed_2 = p->Recv_uint32();
00653 #endif
00654 }
00655 #endif
00656 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00657
00658
00659
00660 if (!_network_first_time && last_ack_frame < _frame_counter) {
00661 last_ack_frame = _frame_counter + DAY_TICKS;
00662 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00663 SEND_COMMAND(PACKET_CLIENT_ACK)();
00664 }
00665
00666 return NETWORK_RECV_STATUS_OKAY;
00667 }
00668
00669 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00670 {
00671 _sync_frame = p->Recv_uint32();
00672 _sync_seed_1 = p->Recv_uint32();
00673 #ifdef NETWORK_SEND_DOUBLE_SEED
00674 _sync_seed_2 = p->Recv_uint32();
00675 #endif
00676
00677 return NETWORK_RECV_STATUS_OKAY;
00678 }
00679
00680 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00681 {
00682 CommandPacket cp;
00683 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00684 cp.frame = p->Recv_uint32();
00685 cp.my_cmd = p->Recv_bool();
00686 cp.next = NULL;
00687
00688 if (err != NULL) {
00689 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00690 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00691 }
00692
00693
00694
00695 NetworkAddCommandQueue(cp);
00696
00697 return NETWORK_RECV_STATUS_OKAY;
00698 }
00699
00700 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00701 {
00702 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00703 const NetworkClientInfo *ci = NULL, *ci_to;
00704
00705 NetworkAction action = (NetworkAction)p->Recv_uint8();
00706 ClientID client_id = (ClientID)p->Recv_uint32();
00707 bool self_send = p->Recv_bool();
00708 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00709 int64 data = p->Recv_uint64();
00710
00711 ci_to = NetworkFindClientInfoFromClientID(client_id);
00712 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00713
00714
00715 if (self_send) {
00716 switch (action) {
00717 case NETWORK_ACTION_CHAT_CLIENT:
00718
00719 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00720 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00721 break;
00722
00723
00724 case NETWORK_ACTION_GIVE_MONEY:
00725 if (!IsValidCompanyID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00726
00727 case NETWORK_ACTION_CHAT_COMPANY: {
00728 StringID str = IsValidCompanyID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00729 SetDParam(0, ci_to->client_playas);
00730
00731 GetString(name, str, lastof(name));
00732 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00733 } break;
00734
00735 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00736 }
00737 } else {
00738
00739 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00740 ci = ci_to;
00741 }
00742
00743 if (ci != NULL)
00744 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00745 return NETWORK_RECV_STATUS_OKAY;
00746 }
00747
00748 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00749 {
00750 ClientID client_id = (ClientID)p->Recv_uint32();
00751
00752 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00753 if (ci != NULL) {
00754 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00755 delete ci;
00756 }
00757
00758 InvalidateWindow(WC_CLIENT_LIST, 0);
00759
00760 return NETWORK_RECV_STATUS_OKAY;
00761 }
00762
00763 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00764 {
00765 NetworkClientInfo *ci;
00766
00767 ClientID client_id = (ClientID)p->Recv_uint32();
00768
00769 ci = NetworkFindClientInfoFromClientID(client_id);
00770 if (ci != NULL) {
00771 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_CLIENT_LEAVING);
00772 delete ci;
00773 } else {
00774 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00775 }
00776
00777 InvalidateWindow(WC_CLIENT_LIST, 0);
00778
00779
00780 return NETWORK_RECV_STATUS_OKAY;
00781 }
00782
00783 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00784 {
00785 ClientID client_id = (ClientID)p->Recv_uint32();
00786
00787 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00788 if (ci != NULL)
00789 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00790
00791 InvalidateWindow(WC_CLIENT_LIST, 0);
00792
00793 return NETWORK_RECV_STATUS_OKAY;
00794 }
00795
00796 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00797 {
00798 _switch_mode_errorstr = STR_NETWORK_SERVER_SHUTDOWN;
00799
00800 return NETWORK_RECV_STATUS_SERVER_ERROR;
00801 }
00802
00803 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00804 {
00805
00806
00807
00808
00809 _network_reconnect = min(_local_company + 1, 10);
00810 _switch_mode_errorstr = STR_NETWORK_SERVER_REBOOT;
00811
00812 return NETWORK_RECV_STATUS_SERVER_ERROR;
00813 }
00814
00815 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00816 {
00817 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00818
00819 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00820 p->Recv_string(rcon_out, sizeof(rcon_out));
00821
00822 IConsolePrint(colour_code, rcon_out);
00823
00824 return NETWORK_RECV_STATUS_OKAY;
00825 }
00826
00827 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00828 {
00829
00830 ClientID client_id = (ClientID)p->Recv_uint32();
00831 CompanyID company_id = (CompanyID)p->Recv_uint8();
00832
00833 if (client_id == 0) {
00834
00835 DEBUG(net, 0, "[move] received invalid client index = 0");
00836 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00837 }
00838
00839 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00840
00841 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00842
00843
00844 if (!IsValidCompanyID(company_id)) company_id = COMPANY_SPECTATOR;
00845
00846 if (client_id == _network_own_client_id) {
00847 _network_playas = company_id;
00848 SetLocalCompany(company_id);
00849 }
00850
00851 return NETWORK_RECV_STATUS_OKAY;
00852 }
00853
00854 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00855 {
00856 _network_server_max_companies = p->Recv_uint8();
00857 _network_server_max_spectators = p->Recv_uint8();
00858
00859 return NETWORK_RECV_STATUS_OKAY;
00860 }
00861
00862 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00863 {
00864 _network_company_passworded = p->Recv_uint16();
00865 InvalidateWindowClasses(WC_COMPANY);
00866
00867 return NETWORK_RECV_STATUS_OKAY;
00868 }
00869
00870
00871
00872 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00873
00874
00875
00876
00877
00878 static NetworkClientPacket * const _network_client_packet[] = {
00879 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00880 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00881 NULL,
00882 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00883 NULL,
00884 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00885 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00886 RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
00887 NULL,
00888 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00889 NULL,
00890 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00891 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00892 NULL,
00893 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00894 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00895 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00896 NULL,
00897 NULL,
00898 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00899 NULL,
00900 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00901 NULL,
00902 NULL,
00903 NULL,
00904 NULL,
00905 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00906 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00907 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00908 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00909 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00910 NULL,
00911 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00912 NULL,
00913 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00914 NULL,
00915 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00916 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00917 };
00918
00919
00920 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00921
00922
00923 void NetworkClient_Connected()
00924 {
00925
00926 _frame_counter = 0;
00927 _frame_counter_server = 0;
00928 last_ack_frame = 0;
00929
00930 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00931 }
00932
00933
00934 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00935 {
00936 Packet *p;
00937 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00938
00939 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet(&res)) != NULL) {
00940 byte type = p->Recv_uint8();
00941 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->has_quit) {
00942 res = _network_client_packet[type](p);
00943 } else {
00944 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
00945 DEBUG(net, 0, "[client] received invalid packet type %d", type);
00946 }
00947
00948 delete p;
00949 }
00950
00951 return res;
00952 }
00953
00954 void NetworkClientSendRcon(const char *password, const char *command)
00955 {
00956 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
00957 }
00958
00965 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
00966 {
00967 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
00968 }
00969
00970 void NetworkUpdateClientName()
00971 {
00972 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00973
00974 if (ci == NULL) return;
00975
00976
00977 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
00978 if (!_network_server) {
00979 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
00980 } else {
00981 if (NetworkFindName(_settings_client.network.client_name)) {
00982 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
00983 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
00984 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
00985 }
00986 }
00987 }
00988 }
00989
00990 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00991 {
00992 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
00993 }
00994
00995 void NetworkClientSetPassword(const char *password)
00996 {
00997 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
00998 }
00999
01005 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01006 {
01007
01008 if (!_settings_client.gui.prefer_teamchat || !IsValidCompanyID(cio->client_playas)) return false;
01009
01010 const NetworkClientInfo *ci;
01011 FOR_ALL_CLIENT_INFOS(ci) {
01012 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01013 }
01014
01015 return false;
01016 }
01017
01022 bool NetworkMaxCompaniesReached()
01023 {
01024 return ActiveCompanyCount() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01025 }
01026
01031 bool NetworkMaxSpectatorsReached()
01032 {
01033 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01034 }
01035
01039 void NetworkPrintClients()
01040 {
01041 const NetworkClientInfo *ci;
01042 FOR_ALL_CLIENT_INFOS(ci) {
01043 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01044 ci->client_id,
01045 ci->client_name,
01046 ci->client_playas + (IsValidCompanyID(ci->client_playas) ? 1 : 0),
01047 GetClientIP(ci));
01048 }
01049 }
01050
01051 #endif