OpenTTD Source  20241108-master-g80f628063a
network_admin.h
Go to the documentation of this file.
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 
10 #ifndef NETWORK_ADMIN_H
11 #define NETWORK_ADMIN_H
12 
13 #include "network_internal.h"
14 #include "core/tcp_listen.h"
15 #include "core/tcp_admin.h"
16 
18 
23 
25 class ServerNetworkAdminSocketHandler : public NetworkAdminSocketPool::PoolItem<&_networkadminsocket_pool>, public NetworkAdminSocketHandler, public TCPListenHandler<ServerNetworkAdminSocketHandler, ADMIN_PACKET_SERVER_FULL, ADMIN_PACKET_SERVER_BANNED> {
26 private:
27  std::unique_ptr<NetworkAuthenticationServerHandler> authentication_handler;
28 protected:
40 
42  NetworkRecvStatus SendPong(uint32_t d1);
43  NetworkRecvStatus SendAuthRequest();
44  NetworkRecvStatus SendEnableEncryption();
45 public:
47  std::chrono::steady_clock::time_point connect_time;
49 
52 
57 
60  NetworkRecvStatus SendClientInfo(const NetworkClientSocket *cs, const NetworkClientInfo *ci);
70 
71  NetworkRecvStatus SendChat(NetworkAction action, DestType desttype, ClientID client_id, const std::string &msg, int64_t data);
72  NetworkRecvStatus SendRcon(uint16_t colour, const std::string_view command);
73  NetworkRecvStatus SendConsole(const std::string_view origin, const std::string_view command);
74  NetworkRecvStatus SendGameScript(const std::string_view json);
77  NetworkRecvStatus SendRconEnd(const std::string_view command);
78 
79  static void Send();
80  static void AcceptConnection(SOCKET s, const NetworkAddress &address);
81  static bool AllowConnection();
82  static void WelcomeAll();
83 
88  static const char *GetName()
89  {
90  return "admin";
91  }
92 
94  bool operator() (size_t index) { return ServerNetworkAdminSocketHandler::Get(index)->GetAdminStatus() == ADMIN_STATUS_ACTIVE; }
95  };
96 
103  {
105  }
106 };
107 
108 void NetworkAdminClientInfo(const NetworkClientSocket *cs, bool new_client = false);
110 void NetworkAdminClientQuit(ClientID client_id);
111 void NetworkAdminClientError(ClientID client_id, NetworkErrorCode error_code);
112 void NetworkAdminCompanyNew(const Company *company);
113 void NetworkAdminCompanyUpdate(const Company *company);
115 
116 void NetworkAdminChat(NetworkAction action, DestType desttype, ClientID client_id, const std::string &msg, int64_t data = 0, bool from_admin = false);
118 void NetworkServerSendAdminRcon(AdminIndex admin_index, TextColour colour_code, const std::string_view string);
119 void NetworkAdminConsole(const std::string_view origin, const std::string_view string);
120 void NetworkAdminGameScript(const std::string_view json);
121 void NetworkAdminCmdLogging(const NetworkClientSocket *owner, const CommandPacket &cp);
122 
123 #endif /* NETWORK_ADMIN_H */
Wrapper for (un)resolved network addresses; there's no reason to transform a numeric IP to a string a...
Definition: address.h:28
Main socket handler for admin related connections.
Definition: tcp_admin.h:117
Class for handling the server side of the game connection.
Definition: network_admin.h:25
static void Send()
Send the packets for the server sockets.
NetworkRecvStatus SendPong(uint32_t d1)
Send ping-reply (pong) to admin.
NetworkRecvStatus SendDate()
Tell the admin the date.
NetworkRecvStatus Receive_ADMIN_JOIN_SECURE(Packet &p) override
Join the admin network using a secure authentication method: string Name of the application being use...
NetworkRecvStatus SendClientUpdate(const NetworkClientInfo *ci)
Send an update for some client's information.
AdminUpdateFrequency update_frequency[ADMIN_UPDATE_END]
Admin requested update intervals.
Definition: network_admin.h:46
NetworkRecvStatus SendGameScript(const std::string_view json)
Send GameScript JSON output.
NetworkRecvStatus SendClientInfo(const NetworkClientSocket *cs, const NetworkClientInfo *ci)
Send an initial set of data from some client's information.
NetworkRecvStatus Receive_ADMIN_UPDATE_FREQUENCY(Packet &p) override
Register updates to be sent at certain frequencies (as announced in the PROTOCOL packet): uint16_t Up...
NetworkRecvStatus SendNewGame()
Tell the admin we started a new game.
NetworkRecvStatus SendCompanyRemove(CompanyID company_id, AdminCompanyRemoveReason bcrr)
Tell the admin that a company got removed.
NetworkRecvStatus Receive_ADMIN_RCON(Packet &p) override
Execute a command on the servers console: string Command to be executed.
static Pool::IterateWrapperFiltered< ServerNetworkAdminSocketHandler, ServerNetworkAdminSocketHandlerFilter > IterateActive(size_t from=0)
Returns an iterable ensemble of all active admin sockets.
NetworkRecvStatus SendClientError(ClientID client_id, NetworkErrorCode error)
Tell the admin that a client made an error.
NetworkRecvStatus SendCmdNames()
Send the names of the commands.
NetworkRecvStatus Receive_ADMIN_POLL(Packet &p) override
Poll the server for certain updates, an invalid poll (e.g.
NetworkRecvStatus Receive_ADMIN_JOIN(Packet &p) override
Join the admin network using an unsecured password exchange: string Unsecured password the server is ...
NetworkRecvStatus SendRconEnd(const std::string_view command)
Send a notification indicating the rcon command has completed.
NetworkRecvStatus SendConsole(const std::string_view origin, const std::string_view command)
Send console output of other clients.
NetworkRecvStatus SendChat(NetworkAction action, DestType desttype, ClientID client_id, const std::string &msg, int64_t data)
Send a chat message.
NetworkRecvStatus SendShutdown()
Tell the admin we're shutting down.
NetworkRecvStatus SendCompanyStats()
Send statistics about the companies.
NetworkRecvStatus SendWelcome()
Send a welcome message to the admin.
NetworkRecvStatus SendCompanyInfo(const Company *c)
Send the admin some information about a company.
static void WelcomeAll()
Send a Welcome packet to all connected admins.
static void AcceptConnection(SOCKET s, const NetworkAddress &address)
Handle the acception of a connection.
NetworkRecvStatus SendCmdLogging(ClientID client_id, const CommandPacket &cp)
Send a command for logging purposes.
std::unique_ptr< NetworkAuthenticationServerHandler > authentication_handler
The handler for the authentication.
Definition: network_admin.h:27
static bool AllowConnection()
Whether a connection is allowed or not at this moment.
NetworkRecvStatus SendRcon(uint16_t colour, const std::string_view command)
Send the reply of an rcon command.
NetworkRecvStatus Receive_ADMIN_CHAT(Packet &p) override
Send chat as the server: uint8_t Action such as NETWORK_ACTION_CHAT_CLIENT (see NetworkAction).
NetworkRecvStatus SendCompanyEconomy()
Send economic information of all companies.
NetworkRecvStatus Receive_ADMIN_AUTH_RESPONSE(Packet &p) override
Admin responds to ADMIN_PACKET_SERVER_AUTH_REQUEST with the appropriate data given the agreed upon Ne...
NetworkRecvStatus SendCompanyUpdate(const Company *c)
Send an update about a company.
static const char * GetName()
Get the name used by the listener.
Definition: network_admin.h:88
NetworkAddress address
Address of the admin.
Definition: network_admin.h:48
NetworkRecvStatus SendClientQuit(ClientID client_id)
Tell the admin that a client quit.
NetworkRecvStatus SendCompanyNew(CompanyID company_id)
Tell the admin that a new company was founded.
NetworkRecvStatus Receive_ADMIN_GAMESCRIPT(Packet &p) override
Send a JSON string to the current active GameScript.
NetworkRecvStatus SendProtocol()
Send the protocol version to the admin.
NetworkRecvStatus SendClientJoin(ClientID client_id)
Tell the admin that a client joined.
std::chrono::steady_clock::time_point connect_time
Time of connection.
Definition: network_admin.h:47
NetworkRecvStatus Receive_ADMIN_PING(Packet &p) override
Ping the server, requiring the server to reply with a pong packet.
NetworkRecvStatus Receive_ADMIN_EXTERNAL_CHAT(Packet &p) override
Send chat from the external source: string Name of the source this message came from.
NetworkRecvStatus Receive_ADMIN_QUIT(Packet &p) override
Notification to the server that this admin is quitting.
~ServerNetworkAdminSocketHandler()
Clear everything related to this admin.
ServerNetworkAdminSocketHandler(SOCKET s)
Sanity check.
NetworkRecvStatus SendError(NetworkErrorCode error)
Send an error to the admin.
Template for TCP listeners.
Definition: tcp_listen.h:28
Owner
Enum for all companies/owners.
Definition: company_type.h:18
NetworkRecvStatus
Status of a network client; reasons why a client has quit.
Definition: core.h:23
TextColour
Colour of the strings, see _string_colourmap in table/string_colours.h or docs/ottd-colourtext-palett...
Definition: gfx_type.h:260
NetworkAdminSocketPool _networkadminsocket_pool("NetworkAdminSocket")
The pool with sockets/clients.
void NetworkAdminClientUpdate(const NetworkClientInfo *ci)
Notify the admin network of a client update (if they did opt in for the respective update).
AdminIndex _redirect_console_to_admin
Redirection of the (remote) console to the admin.
void NetworkAdminClientQuit(ClientID client_id)
Notify the admin network that a client quit (if they have opt in for the respective update).
void NetworkAdminCompanyUpdate(const Company *company)
Notify the admin network of company updates.
void NetworkAdminUpdate(AdminUpdateFrequency freq)
Send (push) updates to the admin network as they have registered for these updates.
void NetworkAdminGameScript(const std::string_view json)
Send GameScript JSON to the admin network (if they did opt in for the respective update).
void NetworkAdminCmdLogging(const NetworkClientSocket *owner, const CommandPacket &cp)
Distribute CommandPacket details over the admin network for logging purposes.
void NetworkAdminClientError(ClientID client_id, NetworkErrorCode error_code)
Notify the admin network of a client error (if they have opt in for the respective update).
void NetworkAdminConsole(const std::string_view origin, const std::string_view string)
Send console to the admin network (if they did opt in for the respective update).
void NetworkAdminCompanyNew(const Company *company)
Notify the admin network of a new company.
void NetworkAdminChat(NetworkAction action, DestType desttype, ClientID client_id, const std::string &msg, int64_t data=0, bool from_admin=false)
Send chat to the admin network (if they did opt in for the respective update).
void NetworkAdminClientInfo(const NetworkClientSocket *cs, bool new_client=false)
Notify the admin network of a new client (if they did opt in for the respective update).
void NetworkAdminCompanyRemove(CompanyID company_id, AdminCompanyRemoveReason bcrr)
Notify the admin network of a company to be removed (including the reason why).
void NetworkServerSendAdminRcon(AdminIndex admin_index, TextColour colour_code, const std::string_view string)
Pass the rcon reply to the admin.
Pool< ServerNetworkAdminSocketHandler, AdminIndex, 2, MAX_ADMINS, PT_NADMIN > NetworkAdminSocketPool
Pool with all admin connections.
Definition: network_admin.h:19
Variables and function used internally.
DestType
Destination of our chat messages.
Definition: network_type.h:79
uint8_t AdminIndex
Indices into the admin tables.
Definition: network_type.h:59
NetworkAction
Actions that can be used for NetworkTextMessage.
Definition: network_type.h:90
ClientID
'Unique' identifier to be given to clients
Definition: network_type.h:49
NetworkErrorCode
The error codes we send around in the protocols.
Definition: network_type.h:110
Everything we need to know about a command to be able to execute it.
Container for all information known about a client.
Definition: network_base.h:24
Internal entity of a packet.
Definition: packet.h:42
Base class for all PoolItems.
Definition: pool_type.hpp:237
Tindex index
Index of this pool item.
Definition: pool_type.hpp:238
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:339
Base class for all pools.
Definition: pool_type.hpp:80
Basic functions to receive and send TCP packets to and from the admin network.
AdminCompanyRemoveReason
Reasons for removing a company - communicated to admins.
Definition: tcp_admin.h:108
AdminUpdateFrequency
Update frequencies an admin can register.
Definition: tcp_admin.h:96
@ ADMIN_UPDATE_END
Must ALWAYS be on the end of this list!! (period)
Definition: tcp_admin.h:92
@ ADMIN_STATUS_ACTIVE
The admin is active.
Definition: tcp_admin.h:76
Basic functions to listen for TCP connections.