1 /*
2  * This file is part of OpenTTD.
3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6  */
7 
8 /** @file network_func.h Network functions used by other parts of OpenTTD. */
9 
10 #ifndef NETWORK_FUNC_H
11 #define NETWORK_FUNC_H
12 
13 /**
14  * Uncomment the following define to enable command replaying.
15  * See docs/desync.txt for details.
16  */
17 // #define DEBUG_DUMP_COMMANDS
18 // #define DEBUG_FAILED_DUMP_COMMANDS
19 
20 #include "network_type.h"
21 #include "../console_type.h"
22 #include "../gfx_type.h"
23 #include "../openttd.h"
24 #include "../company_type.h"
25 #include "../string_type.h"
26 
27 extern NetworkCompanyState *_network_company_states;
28 
29 extern ClientID _network_own_client_id;
30 extern ClientID _redirect_console_to_client;
31 extern uint8 _network_reconnect;
32 extern StringList _network_bind_list;
33 extern StringList _network_host_list;
34 extern StringList _network_ban_list;
35 
36 byte NetworkSpectatorCount();
37 bool NetworkIsValidClientName(const std::string_view client_name);
38 bool NetworkValidateOurClientName();
39 bool NetworkValidateClientName(std::string &client_name);
40 bool NetworkValidateServerName(std::string &server_name);
41 void NetworkUpdateClientName(const std::string &client_name);
42 void NetworkUpdateServerGameType();
43 bool NetworkCompanyHasClients(CompanyID company);
44 std::string NetworkChangeCompanyPassword(CompanyID company_id, std::string password);
45 void NetworkReboot();
46 void NetworkDisconnect(bool blocking = false, bool close_admins = true);
47 void NetworkGameLoop();
48 void NetworkBackgroundLoop();
49 std::string_view ParseFullConnectionString(const std::string &connection_string, uint16 &port, CompanyID *company_id = nullptr);
50 void NetworkStartDebugLog(const std::string &connection_string);
51 void NetworkPopulateCompanyStats(NetworkCompanyStats *stats);
52 
53 void NetworkUpdateClientInfo(ClientID client_id);
54 void NetworkClientsToSpectators(CompanyID cid);
55 bool NetworkClientConnectGame(const std::string &connection_string, CompanyID default_company, const std::string &join_server_password = "", const std::string &join_company_password = "");
56 void NetworkClientJoinGame();
57 void NetworkClientRequestMove(CompanyID company, const std::string &pass = "");
58 void NetworkClientSendRcon(const std::string &password, const std::string &command);
59 void NetworkClientSendChat(NetworkAction action, DestType type, int dest, const std::string &msg, int64 data = 0);
60 bool NetworkClientPreferTeamChat(const NetworkClientInfo *cio);
61 bool NetworkCompanyIsPassworded(CompanyID company_id);
62 bool NetworkMaxCompaniesReached();
63 void NetworkPrintClients();
64 void NetworkHandlePauseChange(PauseMode prev_mode, PauseMode changed_mode);
65 
66 /*** Commands ran by the server ***/
67 void NetworkServerDailyLoop();
68 void NetworkServerMonthlyLoop();
69 void NetworkServerYearlyLoop();
70 void NetworkServerSendConfigUpdate();
71 void NetworkServerUpdateGameInfo();
72 void NetworkServerShowStatusToConsole();
73 bool NetworkServerStart();
74 void NetworkServerNewCompany(const Company *company, NetworkClientInfo *ci);
75 bool NetworkServerChangeClientName(ClientID client_id, const std::string &new_name);
76 
77 
78 void NetworkServerDoMove(ClientID client_id, CompanyID company_id);
79 void NetworkServerSendRcon(ClientID client_id, TextColour colour_code, const std::string &string);
80 void NetworkServerSendChat(NetworkAction action, DestType type, int dest, const std::string &msg, ClientID from_id, int64 data = 0, bool from_admin = false);
81 void NetworkServerSendExternalChat(const std::string &source, TextColour colour, const std::string &user, const std::string &msg);
82 
83 void NetworkServerKickClient(ClientID client_id, const std::string &reason);
84 uint NetworkServerKickOrBanIP(ClientID client_id, bool ban, const std::string &reason);
85 uint NetworkServerKickOrBanIP(const std::string &ip, bool ban, const std::string &reason);
86 
87 void NetworkInitChatMessage();
88 void CDECL NetworkAddChatMessage(TextColour colour, uint duration, const std::string &message);
89 void NetworkUndrawChatMessage();
90 void NetworkChatMessageLoop();
91 
92 void NetworkAfterNewGRFScan();
93 
94 #endif /* NETWORK_FUNC_H */
95