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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_unique_id[NETWORK_UNIQUE_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_UNIQUE_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_UNIQUE_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_UNIQUE_ID_LENGTH - 1; i++) salted_password[i] ^= _password_server_unique_id[i] ^ (_password_game_seed >> i);
00078
00079 Md5 checksum;
00080 uint8 digest[16];
00081 static char hashed_password[NETWORK_UNIQUE_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_unique_id, _settings_client.network.network_id, lastof(_password_server_unique_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
00144 Packet *p;
00145 _network_join_status = NETWORK_JOIN_STATUS_AUTHORIZING;
00146 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00147
00148 p = new Packet(PACKET_CLIENT_JOIN);
00149 p->Send_string(_openttd_revision);
00150 p->Send_string(_settings_client.network.client_name);
00151 p->Send_uint8 (_network_join_as);
00152 p->Send_uint8 (NETLANG_ANY);
00153 p->Send_string(_settings_client.network.network_id);
00154 MY_CLIENT->Send_Packet(p);
00155 }
00156
00157 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)
00158 {
00159
00160
00161
00162
00163
00164
00165 Packet *p = new Packet(PACKET_CLIENT_NEWGRFS_CHECKED);
00166 MY_CLIENT->Send_Packet(p);
00167 }
00168
00169 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_PASSWORD)(NetworkPasswordType type, const char *password)
00170 {
00171
00172
00173
00174
00175
00176
00177
00178 Packet *p = new Packet(PACKET_CLIENT_PASSWORD);
00179 p->Send_uint8 (type);
00180 p->Send_string(type == NETWORK_GAME_PASSWORD ? password : GenerateCompanyPasswordHash(password));
00181 MY_CLIENT->Send_Packet(p);
00182 }
00183
00184 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
00185 {
00186
00187
00188
00189
00190
00191
00192
00193 Packet *p = new Packet(PACKET_CLIENT_GETMAP);
00194
00195
00196
00197
00198
00199
00200 if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
00201 MY_CLIENT->Send_Packet(p);
00202 }
00203
00204 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_MAP_OK)
00205 {
00206
00207
00208
00209
00210
00211
00212
00213 Packet *p = new Packet(PACKET_CLIENT_MAP_OK);
00214 MY_CLIENT->Send_Packet(p);
00215 }
00216
00217 DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_ACK)
00218 {
00219
00220
00221
00222
00223
00224
00225
00226 Packet *p = new Packet(PACKET_CLIENT_ACK);
00227
00228 p->Send_uint32(_frame_counter);
00229 MY_CLIENT->Send_Packet(p);
00230 }
00231
00232
00233 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_COMMAND)(const CommandPacket *cp)
00234 {
00235
00236
00237
00238
00239
00240
00241
00242
00243
00244
00245
00246
00247
00248 Packet *p = new Packet(PACKET_CLIENT_COMMAND);
00249 MY_CLIENT->Send_Command(p, cp);
00250
00251 MY_CLIENT->Send_Packet(p);
00252 }
00253
00254
00255 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_CHAT)(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
00256 {
00257
00258
00259
00260
00261
00262
00263
00264
00265
00266
00267
00268 Packet *p = new Packet(PACKET_CLIENT_CHAT);
00269
00270 p->Send_uint8 (action);
00271 p->Send_uint8 (type);
00272 p->Send_uint32(dest);
00273 p->Send_string(msg);
00274 p->Send_uint64(data);
00275
00276 MY_CLIENT->Send_Packet(p);
00277 }
00278
00279
00280 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_ERROR)(NetworkErrorCode errorno)
00281 {
00282
00283
00284
00285
00286
00287
00288 Packet *p = new Packet(PACKET_CLIENT_ERROR);
00289
00290 p->Send_uint8(errorno);
00291 MY_CLIENT->Send_Packet(p);
00292 }
00293
00294 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_PASSWORD)(const char *password)
00295 {
00296
00297
00298
00299
00300
00301
00302 Packet *p = new Packet(PACKET_CLIENT_SET_PASSWORD);
00303
00304 p->Send_string(GenerateCompanyPasswordHash(password));
00305 MY_CLIENT->Send_Packet(p);
00306 }
00307
00308 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_SET_NAME)(const char *name)
00309 {
00310
00311
00312
00313
00314
00315
00316 Packet *p = new Packet(PACKET_CLIENT_SET_NAME);
00317
00318 p->Send_string(name);
00319 MY_CLIENT->Send_Packet(p);
00320 }
00321
00322
00323 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_QUIT)()
00324 {
00325
00326
00327
00328
00329
00330 Packet *p = new Packet(PACKET_CLIENT_QUIT);
00331
00332 MY_CLIENT->Send_Packet(p);
00333 }
00334
00335 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_RCON)(const char *pass, const char *command)
00336 {
00337 Packet *p = new Packet(PACKET_CLIENT_RCON);
00338 p->Send_string(pass);
00339 p->Send_string(command);
00340 MY_CLIENT->Send_Packet(p);
00341 }
00342
00343 DEF_CLIENT_SEND_COMMAND_PARAM(PACKET_CLIENT_MOVE)(CompanyID company, const char *pass)
00344 {
00345 Packet *p = new Packet(PACKET_CLIENT_MOVE);
00346 p->Send_uint8(company);
00347 p->Send_string(GenerateCompanyPasswordHash(pass));
00348 MY_CLIENT->Send_Packet(p);
00349 }
00350
00351
00352
00353
00354
00355
00356
00357 extern bool SafeSaveOrLoad(const char *filename, int mode, GameMode newgm, Subdirectory subdir);
00358 extern StringID _switch_mode_errorstr;
00359
00360 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FULL)
00361 {
00362
00363 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00364 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00365
00366 return NETWORK_RECV_STATUS_SERVER_FULL;
00367 }
00368
00369 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_BANNED)
00370 {
00371
00372 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_BANNED;
00373 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00374
00375 return NETWORK_RECV_STATUS_SERVER_BANNED;
00376 }
00377
00378 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO)
00379 {
00380 byte company_info_version = p->Recv_uint8();
00381
00382 if (!MY_CLIENT->HasClientQuit() && company_info_version == NETWORK_COMPANY_INFO_VERSION) {
00383
00384 if (!p->Recv_bool()) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00385
00386 CompanyID current = (Owner)p->Recv_uint8();
00387 if (current >= MAX_COMPANIES) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00388
00389 NetworkCompanyInfo *company_info = GetLobbyCompanyInfo(current);
00390 if (company_info == NULL) return NETWORK_RECV_STATUS_CLOSE_QUERY;
00391
00392 p->Recv_string(company_info->company_name, sizeof(company_info->company_name));
00393 company_info->inaugurated_year = p->Recv_uint32();
00394 company_info->company_value = p->Recv_uint64();
00395 company_info->money = p->Recv_uint64();
00396 company_info->income = p->Recv_uint64();
00397 company_info->performance = p->Recv_uint16();
00398 company_info->use_password = p->Recv_bool();
00399 for (int i = 0; i < NETWORK_VEHICLE_TYPES; i++)
00400 company_info->num_vehicle[i] = p->Recv_uint16();
00401 for (int i = 0; i < NETWORK_STATION_TYPES; i++)
00402 company_info->num_station[i] = p->Recv_uint16();
00403 company_info->ai = p->Recv_bool();
00404
00405 p->Recv_string(company_info->clients, sizeof(company_info->clients));
00406
00407 SetWindowDirty(WC_NETWORK_WINDOW, 0);
00408
00409 return NETWORK_RECV_STATUS_OKAY;
00410 }
00411
00412 return NETWORK_RECV_STATUS_CLOSE_QUERY;
00413 }
00414
00415
00416
00417
00418 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO)
00419 {
00420 NetworkClientInfo *ci;
00421 ClientID client_id = (ClientID)p->Recv_uint32();
00422 CompanyID playas = (CompanyID)p->Recv_uint8();
00423 char name[NETWORK_NAME_LENGTH];
00424
00425 p->Recv_string(name, sizeof(name));
00426
00427 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00428
00429 ci = NetworkFindClientInfoFromClientID(client_id);
00430 if (ci != NULL) {
00431 if (playas == ci->client_playas && strcmp(name, ci->client_name) != 0) {
00432
00433 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, name);
00434 } else if (playas != ci->client_playas) {
00435
00436
00437 }
00438
00439 ci->client_playas = playas;
00440 strecpy(ci->client_name, name, lastof(ci->client_name));
00441
00442 SetWindowDirty(WC_CLIENT_LIST, 0);
00443
00444 return NETWORK_RECV_STATUS_OKAY;
00445 }
00446
00447
00448 ci = new NetworkClientInfo(client_id);
00449 ci->client_playas = playas;
00450 if (client_id == _network_own_client_id) MY_CLIENT->SetInfo(ci);
00451
00452 strecpy(ci->client_name, name, lastof(ci->client_name));
00453
00454 SetWindowDirty(WC_CLIENT_LIST, 0);
00455
00456 return NETWORK_RECV_STATUS_OKAY;
00457 }
00458
00459 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR)
00460 {
00461 NetworkErrorCode error = (NetworkErrorCode)p->Recv_uint8();
00462
00463 switch (error) {
00464
00465 case NETWORK_ERROR_NOT_AUTHORIZED:
00466 case NETWORK_ERROR_NOT_EXPECTED:
00467 case NETWORK_ERROR_COMPANY_MISMATCH:
00468 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_ERROR;
00469 break;
00470 case NETWORK_ERROR_FULL:
00471 _switch_mode_errorstr = STR_NETWORK_ERROR_SERVER_FULL;
00472 break;
00473 case NETWORK_ERROR_WRONG_REVISION:
00474 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_REVISION;
00475 break;
00476 case NETWORK_ERROR_WRONG_PASSWORD:
00477 _switch_mode_errorstr = STR_NETWORK_ERROR_WRONG_PASSWORD;
00478 break;
00479 case NETWORK_ERROR_KICKED:
00480 _switch_mode_errorstr = STR_NETWORK_ERROR_KICKED;
00481 break;
00482 case NETWORK_ERROR_CHEATER:
00483 _switch_mode_errorstr = STR_NETWORK_ERROR_CHEATER;
00484 break;
00485 default:
00486 _switch_mode_errorstr = STR_NETWORK_ERROR_LOSTCONNECTION;
00487 }
00488
00489 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00490
00491 return NETWORK_RECV_STATUS_SERVER_ERROR;
00492 }
00493
00494 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS)
00495 {
00496 uint grf_count = p->Recv_uint8();
00497 NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;
00498
00499
00500 for (; grf_count > 0; grf_count--) {
00501 GRFConfig c;
00502 MY_CLIENT->Recv_GRFIdentifier(p, &c);
00503
00504
00505 const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
00506 if (f == NULL) {
00507
00508 char buf[sizeof(c.md5sum) * 2 + 1];
00509 md5sumToString(buf, lastof(buf), c.md5sum);
00510 DEBUG(grf, 0, "NewGRF %08X not found; checksum %s", BSWAP32(c.grfid), buf);
00511 ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
00512 }
00513 }
00514
00515 if (ret == NETWORK_RECV_STATUS_OKAY) {
00516
00517 SEND_COMMAND(PACKET_CLIENT_NEWGRFS_CHECKED)();
00518 } else {
00519
00520 _switch_mode_errorstr = STR_NETWORK_ERROR_NEWGRF_MISMATCH;
00521 }
00522 return ret;
00523 }
00524
00525 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD)
00526 {
00527 NetworkPasswordType type = (NetworkPasswordType)p->Recv_uint8();
00528
00529 const char *password = _network_join_server_password;
00530
00531 switch (type) {
00532 case NETWORK_COMPANY_PASSWORD:
00533
00534 _password_game_seed = p->Recv_uint32();
00535 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00536 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00537 password = _network_join_company_password;
00538
00539 case NETWORK_GAME_PASSWORD:
00540 if (StrEmpty(password)) {
00541 ShowNetworkNeedPassword(type);
00542 } else {
00543 SEND_COMMAND(PACKET_CLIENT_PASSWORD)(type, password);
00544 }
00545 return NETWORK_RECV_STATUS_OKAY;
00546
00547 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00548 }
00549 }
00550
00551 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WELCOME)
00552 {
00553 _network_own_client_id = (ClientID)p->Recv_uint32();
00554
00555
00556 _password_game_seed = p->Recv_uint32();
00557 p->Recv_string(_password_server_unique_id, sizeof(_password_server_unique_id));
00558
00559
00560 SEND_COMMAND(PACKET_CLIENT_GETMAP)();
00561 return NETWORK_RECV_STATUS_OKAY;
00562 }
00563
00564 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_WAIT)
00565 {
00566 _network_join_status = NETWORK_JOIN_STATUS_WAITING;
00567 _network_join_waiting = p->Recv_uint8();
00568 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00569
00570
00571 DEBUG(net, 1, "The server is currently busy sending the map to someone else, please wait..." );
00572 DEBUG(net, 1, "There are %d clients in front of you", _network_join_waiting);
00573
00574 return NETWORK_RECV_STATUS_OKAY;
00575 }
00576
00577 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
00578 {
00579 static FILE *file_pointer;
00580
00581 byte maptype;
00582
00583 maptype = p->Recv_uint8();
00584
00585 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00586
00587
00588 if (maptype == MAP_PACKET_START) {
00589 file_pointer = FioFOpenFile("network_client.tmp", "wb", AUTOSAVE_DIR);;
00590 if (file_pointer == NULL) {
00591 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00592 return NETWORK_RECV_STATUS_SAVEGAME;
00593 }
00594
00595 _frame_counter = _frame_counter_server = _frame_counter_max = p->Recv_uint32();
00596
00597 _network_join_bytes = 0;
00598 _network_join_bytes_total = p->Recv_uint32();
00599
00600
00601
00602
00603
00604
00605 if (MY_CLIENT->HasClientQuit()) return NETWORK_RECV_STATUS_CONN_LOST;
00606 if (_network_join_bytes_total == 0) return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00607
00608 _network_join_status = NETWORK_JOIN_STATUS_DOWNLOADING;
00609 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00610
00611
00612 return NETWORK_RECV_STATUS_OKAY;
00613 }
00614
00615 if (maptype == MAP_PACKET_NORMAL) {
00616
00617 if (fwrite(p->buffer + p->pos, 1, p->size - p->pos, file_pointer) != (size_t)(p->size - p->pos)) {
00618 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00619 return NETWORK_RECV_STATUS_SAVEGAME;
00620 }
00621
00622 _network_join_bytes = ftell(file_pointer);
00623 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00624 }
00625
00626
00627 if (maptype == MAP_PACKET_END) {
00628 fclose(file_pointer);
00629
00630 _network_join_status = NETWORK_JOIN_STATUS_PROCESSING;
00631 SetWindowDirty(WC_NETWORK_STATUS_WINDOW, 0);
00632
00633
00634 if (!SafeSaveOrLoad("network_client.tmp", SL_LOAD, GM_NORMAL, AUTOSAVE_DIR)) {
00635 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00636 _switch_mode_errorstr = STR_NETWORK_ERROR_SAVEGAMEERROR;
00637 return NETWORK_RECV_STATUS_SAVEGAME;
00638 }
00639
00640
00641
00642
00643 SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
00644
00645
00646
00647 if (_network_join_as == COMPANY_NEW_COMPANY || !Company::IsValidID(_network_join_as)) {
00648 SetLocalCompany(COMPANY_SPECTATOR);
00649
00650 if (_network_join_as != COMPANY_SPECTATOR) {
00651
00652
00653 _network_join_status = NETWORK_JOIN_STATUS_REGISTERING;
00654 ShowJoinStatusWindow();
00655 NetworkSend_Command(0, 0, 0, CMD_COMPANY_CTRL, NULL, NULL, _local_company);
00656 }
00657 } else {
00658
00659 SetLocalCompany(_network_join_as);
00660 }
00661 }
00662
00663 return NETWORK_RECV_STATUS_OKAY;
00664 }
00665
00666 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_FRAME)
00667 {
00668 _frame_counter_server = p->Recv_uint32();
00669 _frame_counter_max = p->Recv_uint32();
00670 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
00671
00672
00673 if (p->pos < p->size) {
00674 _sync_frame = _frame_counter_server;
00675 _sync_seed_1 = p->Recv_uint32();
00676 #ifdef NETWORK_SEND_DOUBLE_SEED
00677 _sync_seed_2 = p->Recv_uint32();
00678 #endif
00679 }
00680 #endif
00681 DEBUG(net, 5, "Received FRAME %d", _frame_counter_server);
00682
00683
00684
00685 if (!_network_first_time && last_ack_frame < _frame_counter) {
00686 last_ack_frame = _frame_counter + DAY_TICKS;
00687 DEBUG(net, 4, "Sent ACK at %d", _frame_counter);
00688 SEND_COMMAND(PACKET_CLIENT_ACK)();
00689 }
00690
00691 return NETWORK_RECV_STATUS_OKAY;
00692 }
00693
00694 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SYNC)
00695 {
00696 _sync_frame = p->Recv_uint32();
00697 _sync_seed_1 = p->Recv_uint32();
00698 #ifdef NETWORK_SEND_DOUBLE_SEED
00699 _sync_seed_2 = p->Recv_uint32();
00700 #endif
00701
00702 return NETWORK_RECV_STATUS_OKAY;
00703 }
00704
00705 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMMAND)
00706 {
00707 CommandPacket cp;
00708 const char *err = MY_CLIENT->Recv_Command(p, &cp);
00709 cp.frame = p->Recv_uint32();
00710 cp.my_cmd = p->Recv_bool();
00711 cp.next = NULL;
00712
00713 if (err != NULL) {
00714 IConsolePrintF(CC_ERROR, "WARNING: %s from server, dropping...", err);
00715 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00716 }
00717
00718
00719
00720 NetworkAddCommandQueue(cp);
00721
00722 return NETWORK_RECV_STATUS_OKAY;
00723 }
00724
00725 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CHAT)
00726 {
00727 char name[NETWORK_NAME_LENGTH], msg[NETWORK_CHAT_LENGTH];
00728 const NetworkClientInfo *ci = NULL, *ci_to;
00729
00730 NetworkAction action = (NetworkAction)p->Recv_uint8();
00731 ClientID client_id = (ClientID)p->Recv_uint32();
00732 bool self_send = p->Recv_bool();
00733 p->Recv_string(msg, NETWORK_CHAT_LENGTH);
00734 int64 data = p->Recv_uint64();
00735
00736 ci_to = NetworkFindClientInfoFromClientID(client_id);
00737 if (ci_to == NULL) return NETWORK_RECV_STATUS_OKAY;
00738
00739
00740 if (self_send) {
00741 switch (action) {
00742 case NETWORK_ACTION_CHAT_CLIENT:
00743
00744 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00745 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00746 break;
00747
00748
00749 case NETWORK_ACTION_GIVE_MONEY:
00750 if (!Company::IsValidID(ci_to->client_playas)) return NETWORK_RECV_STATUS_OKAY;
00751
00752 case NETWORK_ACTION_CHAT_COMPANY: {
00753 StringID str = Company::IsValidID(ci_to->client_playas) ? STR_COMPANY_NAME : STR_NETWORK_SPECTATORS;
00754 SetDParam(0, ci_to->client_playas);
00755
00756 GetString(name, str, lastof(name));
00757 ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00758 } break;
00759
00760 default: return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00761 }
00762 } else {
00763
00764 snprintf(name, sizeof(name), "%s", ci_to->client_name);
00765 ci = ci_to;
00766 }
00767
00768 if (ci != NULL)
00769 NetworkTextMessage(action, (ConsoleColour)GetDrawStringCompanyColour(ci->client_playas), self_send, name, msg, data);
00770 return NETWORK_RECV_STATUS_OKAY;
00771 }
00772
00773 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT)
00774 {
00775 ClientID client_id = (ClientID)p->Recv_uint32();
00776
00777 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00778 if (ci != NULL) {
00779 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, GetNetworkErrorMsg((NetworkErrorCode)p->Recv_uint8()));
00780 delete ci;
00781 }
00782
00783 SetWindowDirty(WC_CLIENT_LIST, 0);
00784
00785 return NETWORK_RECV_STATUS_OKAY;
00786 }
00787
00788 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_QUIT)
00789 {
00790 NetworkClientInfo *ci;
00791
00792 ClientID client_id = (ClientID)p->Recv_uint32();
00793
00794 ci = NetworkFindClientInfoFromClientID(client_id);
00795 if (ci != NULL) {
00796 NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, ci->client_name, NULL, STR_NETWORK_MESSAGE_CLIENT_LEAVING);
00797 delete ci;
00798 } else {
00799 DEBUG(net, 0, "Unknown client (%d) is leaving the game", client_id);
00800 }
00801
00802 SetWindowDirty(WC_CLIENT_LIST, 0);
00803
00804
00805 return NETWORK_RECV_STATUS_OKAY;
00806 }
00807
00808 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_JOIN)
00809 {
00810 ClientID client_id = (ClientID)p->Recv_uint32();
00811
00812 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00813 if (ci != NULL)
00814 NetworkTextMessage(NETWORK_ACTION_JOIN, CC_DEFAULT, false, ci->client_name);
00815
00816 SetWindowDirty(WC_CLIENT_LIST, 0);
00817
00818 return NETWORK_RECV_STATUS_OKAY;
00819 }
00820
00821 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN)
00822 {
00823 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_SHUTDOWN;
00824
00825 return NETWORK_RECV_STATUS_SERVER_ERROR;
00826 }
00827
00828 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_NEWGAME)
00829 {
00830
00831
00832
00833
00834 _network_reconnect = min(_local_company + 1, 10);
00835 _switch_mode_errorstr = STR_NETWORK_MESSAGE_SERVER_REBOOT;
00836
00837 return NETWORK_RECV_STATUS_SERVER_ERROR;
00838 }
00839
00840 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_RCON)
00841 {
00842 char rcon_out[NETWORK_RCONCOMMAND_LENGTH];
00843
00844 ConsoleColour colour_code = (ConsoleColour)p->Recv_uint16();
00845 p->Recv_string(rcon_out, sizeof(rcon_out));
00846
00847 IConsolePrint(colour_code, rcon_out);
00848
00849 return NETWORK_RECV_STATUS_OKAY;
00850 }
00851
00852 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MOVE)
00853 {
00854
00855 ClientID client_id = (ClientID)p->Recv_uint32();
00856 CompanyID company_id = (CompanyID)p->Recv_uint8();
00857
00858 if (client_id == 0) {
00859
00860 DEBUG(net, 0, "[move] received invalid client index = 0");
00861 return NETWORK_RECV_STATUS_MALFORMED_PACKET;
00862 }
00863
00864 const NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(client_id);
00865
00866 if (ci == NULL) return NETWORK_RECV_STATUS_OKAY;
00867
00868
00869 if (!Company::IsValidID(company_id)) company_id = COMPANY_SPECTATOR;
00870
00871 if (client_id == _network_own_client_id) {
00872 SetLocalCompany(company_id);
00873 }
00874
00875 return NETWORK_RECV_STATUS_OKAY;
00876 }
00877
00878 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE)
00879 {
00880 _network_server_max_companies = p->Recv_uint8();
00881 _network_server_max_spectators = p->Recv_uint8();
00882
00883 return NETWORK_RECV_STATUS_OKAY;
00884 }
00885
00886 DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE)
00887 {
00888 _network_company_passworded = p->Recv_uint16();
00889 SetWindowClassesDirty(WC_COMPANY);
00890
00891 return NETWORK_RECV_STATUS_OKAY;
00892 }
00893
00894
00895
00896 typedef NetworkRecvStatus NetworkClientPacket(Packet *p);
00897
00898
00899
00900
00901
00902 static NetworkClientPacket * const _network_client_packet[] = {
00903 RECEIVE_COMMAND(PACKET_SERVER_FULL),
00904 RECEIVE_COMMAND(PACKET_SERVER_BANNED),
00905 NULL,
00906 RECEIVE_COMMAND(PACKET_SERVER_ERROR),
00907 NULL,
00908 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_INFO),
00909 RECEIVE_COMMAND(PACKET_SERVER_CLIENT_INFO),
00910 RECEIVE_COMMAND(PACKET_SERVER_NEED_PASSWORD),
00911 NULL,
00912 RECEIVE_COMMAND(PACKET_SERVER_WELCOME),
00913 NULL,
00914 RECEIVE_COMMAND(PACKET_SERVER_WAIT),
00915 RECEIVE_COMMAND(PACKET_SERVER_MAP),
00916 NULL,
00917 RECEIVE_COMMAND(PACKET_SERVER_JOIN),
00918 RECEIVE_COMMAND(PACKET_SERVER_FRAME),
00919 RECEIVE_COMMAND(PACKET_SERVER_SYNC),
00920 NULL,
00921 NULL,
00922 RECEIVE_COMMAND(PACKET_SERVER_COMMAND),
00923 NULL,
00924 RECEIVE_COMMAND(PACKET_SERVER_CHAT),
00925 NULL,
00926 NULL,
00927 NULL,
00928 NULL,
00929 RECEIVE_COMMAND(PACKET_SERVER_QUIT),
00930 RECEIVE_COMMAND(PACKET_SERVER_ERROR_QUIT),
00931 RECEIVE_COMMAND(PACKET_SERVER_SHUTDOWN),
00932 RECEIVE_COMMAND(PACKET_SERVER_NEWGAME),
00933 RECEIVE_COMMAND(PACKET_SERVER_RCON),
00934 NULL,
00935 RECEIVE_COMMAND(PACKET_SERVER_CHECK_NEWGRFS),
00936 NULL,
00937 RECEIVE_COMMAND(PACKET_SERVER_MOVE),
00938 NULL,
00939 RECEIVE_COMMAND(PACKET_SERVER_COMPANY_UPDATE),
00940 RECEIVE_COMMAND(PACKET_SERVER_CONFIG_UPDATE),
00941 };
00942
00943
00944 assert_compile(lengthof(_network_client_packet) == PACKET_END);
00945
00946
00947 void NetworkClient_Connected()
00948 {
00949
00950 _frame_counter = 0;
00951 _frame_counter_server = 0;
00952 last_ack_frame = 0;
00953
00954 SEND_COMMAND(PACKET_CLIENT_JOIN)();
00955 }
00956
00957
00958 NetworkRecvStatus NetworkClient_ReadPackets(NetworkClientSocket *cs)
00959 {
00960 Packet *p;
00961 NetworkRecvStatus res = NETWORK_RECV_STATUS_OKAY;
00962
00963 while (res == NETWORK_RECV_STATUS_OKAY && (p = cs->Recv_Packet()) != NULL) {
00964 byte type = p->Recv_uint8();
00965 if (type < PACKET_END && _network_client_packet[type] != NULL && !MY_CLIENT->HasClientQuit()) {
00966 res = _network_client_packet[type](p);
00967 } else {
00968 res = NETWORK_RECV_STATUS_MALFORMED_PACKET;
00969 DEBUG(net, 0, "[client] received invalid packet type %d", type);
00970 }
00971
00972 delete p;
00973 }
00974
00975 return res;
00976 }
00977
00978 void NetworkClientSendRcon(const char *password, const char *command)
00979 {
00980 SEND_COMMAND(PACKET_CLIENT_RCON)(password, command);
00981 }
00982
00989 void NetworkClientRequestMove(CompanyID company_id, const char *pass)
00990 {
00991 SEND_COMMAND(PACKET_CLIENT_MOVE)(company_id, pass);
00992 }
00993
00994 void NetworkUpdateClientName()
00995 {
00996 NetworkClientInfo *ci = NetworkFindClientInfoFromClientID(_network_own_client_id);
00997
00998 if (ci == NULL) return;
00999
01000
01001 if (strcmp(ci->client_name, _settings_client.network.client_name) != 0) {
01002 if (!_network_server) {
01003 SEND_COMMAND(PACKET_CLIENT_SET_NAME)(_settings_client.network.client_name);
01004 } else {
01005 if (NetworkFindName(_settings_client.network.client_name)) {
01006 NetworkTextMessage(NETWORK_ACTION_NAME_CHANGE, CC_DEFAULT, false, ci->client_name, _settings_client.network.client_name);
01007 strecpy(ci->client_name, _settings_client.network.client_name, lastof(ci->client_name));
01008 NetworkUpdateClientInfo(CLIENT_ID_SERVER);
01009 }
01010 }
01011 }
01012 }
01013
01014 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const char *msg, int64 data)
01015 {
01016 SEND_COMMAND(PACKET_CLIENT_CHAT)(action, type, dest, msg, data);
01017 }
01018
01019 void NetworkClientSetPassword(const char *password)
01020 {
01021 SEND_COMMAND(PACKET_CLIENT_SET_PASSWORD)(password);
01022 }
01023
01029 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio)
01030 {
01031
01032 if (!_settings_client.gui.prefer_teamchat || !Company::IsValidID(cio->client_playas)) return false;
01033
01034 const NetworkClientInfo *ci;
01035 FOR_ALL_CLIENT_INFOS(ci) {
01036 if (ci->client_playas == cio->client_playas && ci != cio) return true;
01037 }
01038
01039 return false;
01040 }
01041
01046 bool NetworkMaxCompaniesReached()
01047 {
01048 return Company::GetNumItems() >= (_network_server ? _settings_client.network.max_companies : _network_server_max_companies);
01049 }
01050
01055 bool NetworkMaxSpectatorsReached()
01056 {
01057 return NetworkSpectatorCount() >= (_network_server ? _settings_client.network.max_spectators : _network_server_max_spectators);
01058 }
01059
01063 void NetworkPrintClients()
01064 {
01065 NetworkClientInfo *ci;
01066 FOR_ALL_CLIENT_INFOS(ci) {
01067 IConsolePrintF(CC_INFO, "Client #%1d name: '%s' company: %1d IP: %s",
01068 ci->client_id,
01069 ci->client_name,
01070 ci->client_playas + (Company::IsValidID(ci->client_playas) ? 1 : 0),
01071 GetClientIP(ci));
01072 }
01073 }
01074
01075 #endif