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191
dll/steam_matchmaking_servers.h
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dll/steam_matchmaking_servers.h
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/* Copyright (C) 2019 Mr Goldberg
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This file is part of the Goldberg Emulator
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The Goldberg Emulator is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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The Goldberg Emulator is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the Goldberg Emulator; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "base.h"
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#define SERVER_TIMEOUT 10.0
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struct Steam_Matchmaking_Servers_Direct_IP_Request {
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HServerQuery id;
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uint32 ip;
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uint16 port;
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ISteamMatchmakingRulesResponse *rules_response = NULL;
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ISteamMatchmakingPlayersResponse *players_response = NULL;
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ISteamMatchmakingPingResponse *ping_response = NULL;
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};
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struct Steam_Matchmaking_Servers_Gameserver {
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Gameserver server;
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std::chrono::high_resolution_clock::time_point last_recv;
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};
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struct Steam_Matchmaking_Request {
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AppId_t appid;
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HServerListRequest id;
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ISteamMatchmakingServerListResponse *callbacks;
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bool completed, cancelled, released;
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std::vector <struct Steam_Matchmaking_Servers_Gameserver> gameservers_filtered;
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};
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class Steam_Matchmaking_Servers : public ISteamMatchmakingServers
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{
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class Settings *settings;
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class Networking *network;
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std::vector <struct Steam_Matchmaking_Servers_Gameserver> gameservers;
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std::vector <struct Steam_Matchmaking_Request> requests;
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std::vector <struct Steam_Matchmaking_Servers_Direct_IP_Request> direct_ip_requests;
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public:
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Steam_Matchmaking_Servers(class Settings *settings, class Networking *network);
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// Request a new list of servers of a particular type. These calls each correspond to one of the EMatchMakingType values.
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// Each call allocates a new asynchronous request object.
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// Request object must be released by calling ReleaseRequest( hServerListRequest )
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HServerListRequest RequestInternetServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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HServerListRequest RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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HServerListRequest RequestFriendsServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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HServerListRequest RequestFavoritesServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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HServerListRequest RequestHistoryServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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HServerListRequest RequestSpectatorServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
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// Releases the asynchronous request object and cancels any pending query on it if there's a pending query in progress.
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// RefreshComplete callback is not posted when request is released.
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void ReleaseRequest( HServerListRequest hServerListRequest );
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/* the filter operation codes that go in the key part of MatchMakingKeyValuePair_t should be one of these:
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"map"
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- Server passes the filter if the server is playing the specified map.
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"gamedataand"
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- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) contains all of the
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specified strings. The value field is a comma-delimited list of strings to match.
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"gamedataor"
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- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) contains at least one of the
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specified strings. The value field is a comma-delimited list of strings to match.
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"gamedatanor"
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- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) does not contain any
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of the specified strings. The value field is a comma-delimited list of strings to check.
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"gametagsand"
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- Server passes the filter if the server's game tags (ISteamGameServer::SetGameTags) contains all
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of the specified strings. The value field is a comma-delimited list of strings to check.
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"gametagsnor"
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- Server passes the filter if the server's game tags (ISteamGameServer::SetGameTags) does not contain any
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of the specified strings. The value field is a comma-delimited list of strings to check.
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"and" (x1 && x2 && ... && xn)
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"or" (x1 || x2 || ... || xn)
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"nand" !(x1 && x2 && ... && xn)
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"nor" !(x1 || x2 || ... || xn)
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- Performs Boolean operation on the following filters. The operand to this filter specifies
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the "size" of the Boolean inputs to the operation, in Key/value pairs. (The keyvalue
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pairs must immediately follow, i.e. this is a prefix logical operator notation.)
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In the simplest case where Boolean expressions are not nested, this is simply
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the number of operands.
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For example, to match servers on a particular map or with a particular tag, would would
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use these filters.
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( server.map == "cp_dustbowl" || server.gametags.contains("payload") )
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"or", "2"
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"map", "cp_dustbowl"
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"gametagsand", "payload"
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If logical inputs are nested, then the operand specifies the size of the entire
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"length" of its operands, not the number of immediate children.
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( server.map == "cp_dustbowl" || ( server.gametags.contains("payload") && !server.gametags.contains("payloadrace") ) )
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"or", "4"
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"map", "cp_dustbowl"
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"and", "2"
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"gametagsand", "payload"
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"gametagsnor", "payloadrace"
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Unary NOT can be achieved using either "nand" or "nor" with a single operand.
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"addr"
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- Server passes the filter if the server's query address matches the specified IP or IP:port.
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"gameaddr"
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- Server passes the filter if the server's game address matches the specified IP or IP:port.
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The following filter operations ignore the "value" part of MatchMakingKeyValuePair_t
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"dedicated"
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- Server passes the filter if it passed true to SetDedicatedServer.
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"secure"
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- Server passes the filter if the server is VAC-enabled.
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"notfull"
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- Server passes the filter if the player count is less than the reported max player count.
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"hasplayers"
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- Server passes the filter if the player count is greater than zero.
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"noplayers"
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- Server passes the filter if it doesn't have any players.
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"linux"
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- Server passes the filter if it's a linux server
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*/
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// Get details on a given server in the list, you can get the valid range of index
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// values by calling GetServerCount(). You will also receive index values in
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// ISteamMatchmakingServerListResponse::ServerResponded() callbacks
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gameserveritem_t *GetServerDetails( HServerListRequest hRequest, int iServer );
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// Cancel an request which is operation on the given list type. You should call this to cancel
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// any in-progress requests before destructing a callback object that may have been passed
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// to one of the above list request calls. Not doing so may result in a crash when a callback
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// occurs on the destructed object.
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// Canceling a query does not release the allocated request handle.
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// The request handle must be released using ReleaseRequest( hRequest )
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void CancelQuery( HServerListRequest hRequest );
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// Ping every server in your list again but don't update the list of servers
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// Query callback installed when the server list was requested will be used
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// again to post notifications and RefreshComplete, so the callback must remain
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// valid until another RefreshComplete is called on it or the request
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// is released with ReleaseRequest( hRequest )
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void RefreshQuery( HServerListRequest hRequest );
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// Returns true if the list is currently refreshing its server list
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bool IsRefreshing( HServerListRequest hRequest );
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// How many servers in the given list, GetServerDetails above takes 0... GetServerCount() - 1
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int GetServerCount( HServerListRequest hRequest );
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// Refresh a single server inside of a query (rather than all the servers )
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void RefreshServer( HServerListRequest hRequest, int iServer );
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//-----------------------------------------------------------------------------
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// Queries to individual servers directly via IP/Port
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//-----------------------------------------------------------------------------
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// Request updated ping time and other details from a single server
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HServerQuery PingServer( uint32 unIP, uint16 usPort, ISteamMatchmakingPingResponse *pRequestServersResponse );
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// Request the list of players currently playing on a server
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HServerQuery PlayerDetails( uint32 unIP, uint16 usPort, ISteamMatchmakingPlayersResponse *pRequestServersResponse );
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// Request the list of rules that the server is running (See ISteamGameServer::SetKeyValue() to set the rules server side)
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HServerQuery ServerRules( uint32 unIP, uint16 usPort, ISteamMatchmakingRulesResponse *pRequestServersResponse );
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// Cancel an outstanding Ping/Players/Rules query from above. You should call this to cancel
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// any in-progress requests before destructing a callback object that may have been passed
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// to one of the above calls to avoid crashing when callbacks occur.
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void CancelServerQuery( HServerQuery hServerQuery );
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//
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void RunCallbacks();
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void Callback(Common_Message *msg);
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void server_details(Gameserver *g, gameserveritem_t *server);
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};
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