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gbe_fork/dll/steam_matchmaking_servers.cpp
a 75e6d7c8ab (RIN forum) add initial hotfix by ce20fdf2 
* + revert the change to SetProduct() and SetGameDescription()

* + less verbose return in Steam_GameServer::BSecure()

* + add missing note in ReadMe about libssq
2023-12-14 04:40:25 +02:00

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/* Copyright (C) 2019 Mr Goldberg
This file is part of the Goldberg Emulator
The Goldberg Emulator is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
The Goldberg Emulator 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. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the Goldberg Emulator; if not, see
<http://www.gnu.org/licenses/>. */
#include "steam_matchmaking_servers.h"
static void network_callback(void *object, Common_Message *msg)
{
PRINT_DEBUG("steam_matchmaking_servers_callback\n");
Steam_Matchmaking_Servers *obj = (Steam_Matchmaking_Servers *)object;
obj->Callback(msg);
}
Steam_Matchmaking_Servers::Steam_Matchmaking_Servers(class Settings *settings, class Networking *network)
{
this->settings = settings;
this->network = network;
this->network->setCallback(CALLBACK_ID_GAMESERVER, (uint64) 0, &network_callback, this);
}
static int server_list_request;
HServerListRequest Steam_Matchmaking_Servers::RequestServerList(AppId_t iApp, ISteamMatchmakingServerListResponse *pRequestServersResponse, EMatchMakingType type)
{
PRINT_DEBUG("RequestServerList %u\n", iApp);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
struct Steam_Matchmaking_Request request;
request.appid = iApp;
request.callbacks = pRequestServersResponse;
request.old_callbacks = NULL;
request.cancelled = false;
request.completed = false;
request.type = type;
requests.push_back(request);
++server_list_request;
requests[requests.size() - 1].id = (void *)server_list_request;
HServerListRequest id = requests[requests.size() - 1].id;
PRINT_DEBUG("request id: %p\n", id);
if (type == eLANServer) return id;
if (type == eFriendsServer) {
for (auto &g : gameservers_friends) {
if (g.source_id != settings->get_local_steam_id().ConvertToUint64()) {
Gameserver server;
server.set_ip(g.ip);
server.set_port(g.port);
server.set_query_port(g.port);
server.set_appid(iApp);
struct Steam_Matchmaking_Servers_Gameserver g2;
g2.last_recv = std::chrono::high_resolution_clock::now();
g2.server = server;
g2.type = type;
gameservers.push_back(g2);
PRINT_DEBUG("SERVER ADDED\n");
}
}
return id;
}
std::string file_path;
unsigned long long file_size;
if (type == eInternetServer || type == eSpectatorServer) {
file_path = Local_Storage::get_user_appdata_path() + "/7/" + Local_Storage::remote_storage_folder + "/serverbrowser.txt";
file_size = file_size_(file_path);
} else if (type == eFavoritesServer) {
file_path = Local_Storage::get_user_appdata_path() + "/7/" + Local_Storage::remote_storage_folder + "/serverbrowser_favorites.txt";
file_size = file_size_(file_path);
} else if (type == eHistoryServer) {
file_path = Local_Storage::get_user_appdata_path() + "/7/" + Local_Storage::remote_storage_folder + "/serverbrowser_history.txt";
file_size = file_size_(file_path);
}
std::string list;
if (file_size) {
list.resize(file_size);
Local_Storage::get_file_data(file_path, (char *)list.data(), file_size, 0);
} else {
return id;
}
std::istringstream list_ss (list);
std::string list_ip;
while (std::getline(list_ss, list_ip)) {
if (list_ip.length() < 0) continue;
unsigned int byte4, byte3, byte2, byte1, byte0;
uint32 ip_int;
uint16 port_int;
char newip[24];
if (sscanf(list_ip.c_str(), "%u.%u.%u.%u:%u", &byte3, &byte2, &byte1, &byte0, &byte4) == 5) {
ip_int = (byte3 << 24) + (byte2 << 16) + (byte1 << 8) + byte0;
port_int = byte4;
unsigned char ip_tmp[4];
ip_tmp[0] = ip_int & 0xFF;
ip_tmp[1] = (ip_int >> 8) & 0xFF;
ip_tmp[2] = (ip_int >> 16) & 0xFF;
ip_tmp[3] = (ip_int >> 24) & 0xFF;
snprintf(newip, sizeof(newip), "%d.%d.%d.%d", ip_tmp[3], ip_tmp[2], ip_tmp[1], ip_tmp[0]);
} else {
continue;
}
Gameserver server;
server.set_ip(ip_int);
server.set_port(port_int);
server.set_query_port(port_int);
server.set_appid(iApp);
struct Steam_Matchmaking_Servers_Gameserver g;
g.last_recv = std::chrono::high_resolution_clock::now();
g.server = server;
g.type = type;
gameservers.push_back(g);
PRINT_DEBUG("SERVER ADDED\n");
list_ip = "";
}
return id;
}
// Request a new list of servers of a particular type. These calls each correspond to one of the EMatchMakingType values.
// Each call allocates a new asynchronous request object.
// Request object must be released by calling ReleaseRequest( hServerListRequest )
HServerListRequest Steam_Matchmaking_Servers::RequestInternetServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestInternetServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eInternetServer);
}
HServerListRequest Steam_Matchmaking_Servers::RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestLANServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eLANServer);
}
HServerListRequest Steam_Matchmaking_Servers::RequestFriendsServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestFriendsServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eFriendsServer);
}
HServerListRequest Steam_Matchmaking_Servers::RequestFavoritesServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestFavoritesServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eFavoritesServer);
}
HServerListRequest Steam_Matchmaking_Servers::RequestHistoryServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestHistoryServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eHistoryServer);
}
HServerListRequest Steam_Matchmaking_Servers::RequestSpectatorServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse )
{
PRINT_DEBUG("RequestSpectatorServerList\n");
return RequestServerList(iApp, pRequestServersResponse, eSpectatorServer);
}
void Steam_Matchmaking_Servers::RequestOldServerList(AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse, EMatchMakingType type)
{
PRINT_DEBUG("RequestOldServerList %u\n", iApp);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
auto g = std::begin(requests);
while (g != std::end(requests)) {
if (g->id == ((void *)type)) {
return;
}
++g;
}
struct Steam_Matchmaking_Request request;
request.appid = iApp;
request.callbacks = NULL;
request.old_callbacks = pRequestServersResponse;
request.cancelled = false;
request.completed = false;
request.type = type;
requests.push_back(request);
requests[requests.size() - 1].id = (void *)type;
}
void Steam_Matchmaking_Servers::RequestInternetServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eInternetServer);
}
void Steam_Matchmaking_Servers::RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eLANServer);
}
void Steam_Matchmaking_Servers::RequestFriendsServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eFriendsServer);
}
void Steam_Matchmaking_Servers::RequestFavoritesServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eFavoritesServer);
}
void Steam_Matchmaking_Servers::RequestHistoryServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eHistoryServer);
}
void Steam_Matchmaking_Servers::RequestSpectatorServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
{
PRINT_DEBUG("%s old\n", __FUNCTION__);
//TODO
RequestOldServerList(iApp, pRequestServersResponse, eSpectatorServer);
}
// Releases the asynchronous request object and cancels any pending query on it if there's a pending query in progress.
// RefreshComplete callback is not posted when request is released.
void Steam_Matchmaking_Servers::ReleaseRequest( HServerListRequest hServerListRequest )
{
PRINT_DEBUG("ReleaseRequest %p\n", hServerListRequest);
auto g = std::begin(requests);
while (g != std::end(requests)) {
if (g->id == hServerListRequest) {
//NOTE: some garbage games release the request before getting server details from it.
// g = requests.erase(g);
// } else {
//TODO: eventually delete the released request.
g->cancelled = true;
g->released = true;
}
++g;
}
}
/* the filter operation codes that go in the key part of MatchMakingKeyValuePair_t should be one of these:
"map"
- Server passes the filter if the server is playing the specified map.
"gamedataand"
- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) contains all of the
specified strings. The value field is a comma-delimited list of strings to match.
"gamedataor"
- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) contains at least one of the
specified strings. The value field is a comma-delimited list of strings to match.
"gamedatanor"
- Server passes the filter if the server's game data (ISteamGameServer::SetGameData) does not contain any
of the specified strings. The value field is a comma-delimited list of strings to check.
"gametagsand"
- Server passes the filter if the server's game tags (ISteamGameServer::SetGameTags) contains all
of the specified strings. The value field is a comma-delimited list of strings to check.
"gametagsnor"
- Server passes the filter if the server's game tags (ISteamGameServer::SetGameTags) does not contain any
of the specified strings. The value field is a comma-delimited list of strings to check.
"and" (x1 && x2 && ... && xn)
"or" (x1 || x2 || ... || xn)
"nand" !(x1 && x2 && ... && xn)
"nor" !(x1 || x2 || ... || xn)
- Performs Boolean operation on the following filters. The operand to this filter specifies
the "size" of the Boolean inputs to the operation, in Key/value pairs. (The keyvalue
pairs must immediately follow, i.e. this is a prefix logical operator notation.)
In the simplest case where Boolean expressions are not nested, this is simply
the number of operands.
For example, to match servers on a particular map or with a particular tag, would would
use these filters.
( server.map == "cp_dustbowl" || server.gametags.contains("payload") )
"or", "2"
"map", "cp_dustbowl"
"gametagsand", "payload"
If logical inputs are nested, then the operand specifies the size of the entire
"length" of its operands, not the number of immediate children.
( server.map == "cp_dustbowl" || ( server.gametags.contains("payload") && !server.gametags.contains("payloadrace") ) )
"or", "4"
"map", "cp_dustbowl"
"and", "2"
"gametagsand", "payload"
"gametagsnor", "payloadrace"
Unary NOT can be achieved using either "nand" or "nor" with a single operand.
"addr"
- Server passes the filter if the server's query address matches the specified IP or IP:port.
"gameaddr"
- Server passes the filter if the server's game address matches the specified IP or IP:port.
The following filter operations ignore the "value" part of MatchMakingKeyValuePair_t
"dedicated"
- Server passes the filter if it passed true to SetDedicatedServer.
"secure"
- Server passes the filter if the server is VAC-enabled.
"notfull"
- Server passes the filter if the player count is less than the reported max player count.
"hasplayers"
- Server passes the filter if the player count is greater than zero.
"noplayers"
- Server passes the filter if it doesn't have any players.
"linux"
- Server passes the filter if it's a linux server
*/
void Steam_Matchmaking_Servers::server_details(Gameserver *g, gameserveritem_t *server)
{
long long latency = 10;
if (!(g->ip() < 0) && !(g->query_port() < 0)) {
unsigned char ip[4];
char newip[24];
ip[0] = g->ip() & 0xFF;
ip[1] = (g->ip() >> 8) & 0xFF;
ip[2] = (g->ip() >> 16) & 0xFF;
ip[3] = (g->ip() >> 24) & 0xFF;
snprintf(newip, sizeof(newip), "%d.%d.%d.%d", ip[3], ip[2], ip[1], ip[0]);
SSQ_SERVER *ssq = ssq_server_new(newip, g->query_port());
if (ssq != NULL && ssq_server_eok(ssq)) {
ssq_server_timeout(ssq, SSQ_TIMEOUT_RECV, 1200);
ssq_server_timeout(ssq, SSQ_TIMEOUT_SEND, 1200);
std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
A2S_INFO *ssq_a2s_info = ssq_info(ssq);
std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
latency = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1).count();
if (ssq_server_eok(ssq)) {
if (ssq_info_has_steamid(ssq_a2s_info)) g->set_id(ssq_a2s_info->steamid);
g->set_game_description(ssq_a2s_info->game);
g->set_mod_dir(ssq_a2s_info->folder);
if (ssq_a2s_info->server_type == A2S_SERVER_TYPE_DEDICATED) g->set_dedicated_server(true);
else if (ssq_a2s_info->server_type == A2S_SERVER_TYPE_STV_RELAY) g->set_dedicated_server(true);
else g->set_dedicated_server(false);
g->set_max_player_count(ssq_a2s_info->max_players);
g->set_bot_player_count(ssq_a2s_info->bots);
g->set_server_name(ssq_a2s_info->name);
g->set_map_name(ssq_a2s_info->map);
if (ssq_a2s_info->visibility) g->set_password_protected(true);
else g->set_password_protected(false);
if (ssq_info_has_stv(ssq_a2s_info)) {
g->set_spectator_port(ssq_a2s_info->stv_port);
g->set_spectator_server_name(ssq_a2s_info->stv_name);
}
//g->set_tags(ssq_a2s_info->keywords);
//g->set_gamedata();
//g->set_region();
g->set_product(ssq_a2s_info->game);
if (ssq_a2s_info->vac) g->set_secure(true);
else g->set_secure(false);
g->set_num_players(ssq_a2s_info->players);
g->set_version(std::stoull(ssq_a2s_info->version, NULL, 0));
if (ssq_info_has_port(ssq_a2s_info)) g->set_port(ssq_a2s_info->port);
if (ssq_info_has_gameid(ssq_a2s_info)) g->set_appid(ssq_a2s_info->gameid);
else g->set_appid(ssq_a2s_info->id);
g->set_offline(false);
}
if (ssq_a2s_info != NULL) ssq_info_free(ssq_a2s_info);
}
if (ssq != NULL) ssq_server_free(ssq);
}
uint16 query_port = g->query_port();
if (g->query_port() == 0xFFFF) {
query_port = g->port();
}
server->m_NetAdr.Init(g->ip(), query_port, g->port());
server->m_nPing = latency;
server->m_bHadSuccessfulResponse = true;
server->m_bDoNotRefresh = false;
strncpy(server->m_szGameDir, g->mod_dir().c_str(), k_cbMaxGameServerGameDir - 1);
strncpy(server->m_szMap, g->map_name().c_str(), k_cbMaxGameServerMapName - 1);
strncpy(server->m_szGameDescription, g->game_description().c_str(), k_cbMaxGameServerGameDescription - 1);
server->m_szGameDir[k_cbMaxGameServerGameDir - 1] = 0;
server->m_szMap[k_cbMaxGameServerMapName - 1] = 0;
server->m_szGameDescription[k_cbMaxGameServerGameDescription - 1] = 0;
server->m_nAppID = g->appid();
server->m_nPlayers = g->num_players();
server->m_nMaxPlayers = g->max_player_count();
server->m_nBotPlayers = g->bot_player_count();
server->m_bPassword = g->password_protected();
server->m_bSecure = g->secure();
server->m_ulTimeLastPlayed = 0;
server->m_nServerVersion = g->version();
server->SetName(g->server_name().c_str());
server->m_steamID = CSteamID((uint64)g->id());
PRINT_DEBUG("server_details %llu\n", g->id());
strncpy(server->m_szGameTags, g->tags().c_str(), k_cbMaxGameServerTags - 1);
server->m_szGameTags[k_cbMaxGameServerTags - 1] = 0;
}
void Steam_Matchmaking_Servers::server_details_players(Gameserver *g, Steam_Matchmaking_Servers_Direct_IP_Request *r)
{
if (!(g->ip() < 0) && !(g->query_port() < 0)) {
unsigned char ip[4];
char newip[24];
ip[0] = g->ip() & 0xFF;
ip[1] = (g->ip() >> 8) & 0xFF;
ip[2] = (g->ip() >> 16) & 0xFF;
ip[3] = (g->ip() >> 24) & 0xFF;
snprintf(newip, sizeof(newip), "%d.%d.%d.%d", ip[3], ip[2], ip[1], ip[0]);
SSQ_SERVER *ssq = ssq_server_new(newip, g->query_port());
if (ssq != NULL && ssq_server_eok(ssq)) {
ssq_server_timeout(ssq, SSQ_TIMEOUT_RECV, 1200);
ssq_server_timeout(ssq, SSQ_TIMEOUT_SEND, 1200);
uint8_t ssq_a2s_player_count;
A2S_PLAYER *ssq_a2s_player = ssq_player(ssq, &ssq_a2s_player_count);
if (ssq_server_eok(ssq)) {
for (int i = 0; i < ssq_a2s_player_count; i++) {
r->players_response->AddPlayerToList(ssq_a2s_player[i].name, ssq_a2s_player[i].score, ssq_a2s_player[i].duration);
}
}
if (ssq_a2s_player != NULL) ssq_player_free(ssq_a2s_player, ssq_a2s_player_count);
}
if (ssq != NULL) ssq_server_free(ssq);
}
PRINT_DEBUG("server_details_players %llu\n", g->id());
}
void Steam_Matchmaking_Servers::server_details_rules(Gameserver *g, Steam_Matchmaking_Servers_Direct_IP_Request *r)
{
if (!(g->ip() < 0) && !(g->query_port() < 0)) {
unsigned char ip[4];
char newip[24];
ip[0] = g->ip() & 0xFF;
ip[1] = (g->ip() >> 8) & 0xFF;
ip[2] = (g->ip() >> 16) & 0xFF;
ip[3] = (g->ip() >> 24) & 0xFF;
snprintf(newip, sizeof(newip), "%d.%d.%d.%d", ip[3], ip[2], ip[1], ip[0]);
SSQ_SERVER *ssq = ssq_server_new(newip, g->query_port());
if (ssq != NULL && ssq_server_eok(ssq)) {
ssq_server_timeout(ssq, SSQ_TIMEOUT_RECV, 1200);
ssq_server_timeout(ssq, SSQ_TIMEOUT_SEND, 1200);
uint16_t ssq_a2s_rules_count;
A2S_RULES *ssq_a2s_rules = ssq_rules(ssq, &ssq_a2s_rules_count);
if (ssq_server_eok(ssq)) {
for (int i = 0; i < ssq_a2s_rules_count; i++) {
r->rules_response->RulesResponded(ssq_a2s_rules[i].name, ssq_a2s_rules[i].value);
}
}
if (ssq_a2s_rules != NULL) ssq_rules_free(ssq_a2s_rules, ssq_a2s_rules_count);
}
if (ssq != NULL) ssq_server_free(ssq);
}
PRINT_DEBUG("server_details_rules %llu\n", g->id());
}
// Get details on a given server in the list, you can get the valid range of index
// values by calling GetServerCount(). You will also receive index values in
// ISteamMatchmakingServerListResponse::ServerResponded() callbacks
gameserveritem_t *Steam_Matchmaking_Servers::GetServerDetails( HServerListRequest hRequest, int iServer )
{
PRINT_DEBUG("GetServerDetails %p %i\n", hRequest, iServer);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
std::vector <struct Steam_Matchmaking_Servers_Gameserver> gameservers_filtered;
auto g = std::begin(requests);
while (g != std::end(requests)) {
PRINT_DEBUG("equal? %p %p\n", hRequest, g->id);
if (g->id == hRequest) {
gameservers_filtered = g->gameservers_filtered;
PRINT_DEBUG("found %u\n", gameservers_filtered.size());
break;
}
++g;
}
if (iServer >= gameservers_filtered.size() || iServer < 0) {
return NULL;
}
Gameserver *gs = &gameservers_filtered[iServer].server;
gameserveritem_t *server = new gameserveritem_t(); //TODO: is the new here ok?
server_details(gs, server);
PRINT_DEBUG("Returned server details\n");
return server;
}
// Cancel an request which is operation on the given list type. You should call this to cancel
// any in-progress requests before destructing a callback object that may have been passed
// to one of the above list request calls. Not doing so may result in a crash when a callback
// occurs on the destructed object.
// Canceling a query does not release the allocated request handle.
// The request handle must be released using ReleaseRequest( hRequest )
void Steam_Matchmaking_Servers::CancelQuery( HServerListRequest hRequest )
{
PRINT_DEBUG("CancelQuery %p\n", hRequest);
auto g = std::begin(requests);
while (g != std::end(requests)) {
if (g->id == hRequest) {
g->cancelled = true;
}
++g;
}
}
// Ping every server in your list again but don't update the list of servers
// Query callback installed when the server list was requested will be used
// again to post notifications and RefreshComplete, so the callback must remain
// valid until another RefreshComplete is called on it or the request
// is released with ReleaseRequest( hRequest )
void Steam_Matchmaking_Servers::RefreshQuery( HServerListRequest hRequest )
{
PRINT_DEBUG("RefreshQuery %p\n", hRequest);
}
// Returns true if the list is currently refreshing its server list
bool Steam_Matchmaking_Servers::IsRefreshing( HServerListRequest hRequest )
{
PRINT_DEBUG("IsRefreshing %p\n", hRequest);
return false;
}
// How many servers in the given list, GetServerDetails above takes 0... GetServerCount() - 1
int Steam_Matchmaking_Servers::GetServerCount( HServerListRequest hRequest )
{
PRINT_DEBUG("GetServerCount %p\n", hRequest);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
int size = 0;
auto g = std::begin(requests);
while (g != std::end(requests)) {
if (g->id == hRequest) {
size = g->gameservers_filtered.size();
break;
}
++g;
}
return size;
}
// Refresh a single server inside of a query (rather than all the servers )
void Steam_Matchmaking_Servers::RefreshServer( HServerListRequest hRequest, int iServer )
{
PRINT_DEBUG("RefreshServer %p\n", hRequest);
//TODO
}
static HServerQuery new_server_query()
{
static int a;
++a;
if (!a) ++a;
return a;
}
//-----------------------------------------------------------------------------
// Queries to individual servers directly via IP/Port
//-----------------------------------------------------------------------------
// Request updated ping time and other details from a single server
HServerQuery Steam_Matchmaking_Servers::PingServer( uint32 unIP, uint16 usPort, ISteamMatchmakingPingResponse *pRequestServersResponse )
{
PRINT_DEBUG("PingServer %hhu.%hhu.%hhu.%hhu:%hu\n", ((unsigned char *)&unIP)[3], ((unsigned char *)&unIP)[2], ((unsigned char *)&unIP)[1], ((unsigned char *)&unIP)[0], usPort);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
Steam_Matchmaking_Servers_Direct_IP_Request r;
r.id = new_server_query();
r.ip = unIP;
r.port = usPort;
r.ping_response = pRequestServersResponse;
r.created = std::chrono::high_resolution_clock::now();
direct_ip_requests.push_back(r);
return r.id;
}
// Request the list of players currently playing on a server
HServerQuery Steam_Matchmaking_Servers::PlayerDetails( uint32 unIP, uint16 usPort, ISteamMatchmakingPlayersResponse *pRequestServersResponse )
{
PRINT_DEBUG("PlayerDetails %hhu.%hhu.%hhu.%hhu:%hu\n", ((unsigned char *)&unIP)[3], ((unsigned char *)&unIP)[2], ((unsigned char *)&unIP)[1], ((unsigned char *)&unIP)[0], usPort);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
Steam_Matchmaking_Servers_Direct_IP_Request r;
r.id = new_server_query();
r.ip = unIP;
r.port = usPort;
r.players_response = pRequestServersResponse;
r.created = std::chrono::high_resolution_clock::now();
direct_ip_requests.push_back(r);
return r.id;
}
// Request the list of rules that the server is running (See ISteamGameServer::SetKeyValue() to set the rules server side)
HServerQuery Steam_Matchmaking_Servers::ServerRules( uint32 unIP, uint16 usPort, ISteamMatchmakingRulesResponse *pRequestServersResponse )
{
PRINT_DEBUG("ServerRules %hhu.%hhu.%hhu.%hhu:%hu\n", ((unsigned char *)&unIP)[3], ((unsigned char *)&unIP)[2], ((unsigned char *)&unIP)[1], ((unsigned char *)&unIP)[0], usPort);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
Steam_Matchmaking_Servers_Direct_IP_Request r;
r.id = new_server_query();
r.ip = unIP;
r.port = usPort;
r.rules_response = pRequestServersResponse;
r.created = std::chrono::high_resolution_clock::now();
direct_ip_requests.push_back(r);
return r.id;
}
// Cancel an outstanding Ping/Players/Rules query from above. You should call this to cancel
// any in-progress requests before destructing a callback object that may have been passed
// to one of the above calls to avoid crashing when callbacks occur.
void Steam_Matchmaking_Servers::CancelServerQuery( HServerQuery hServerQuery )
{
PRINT_DEBUG("CancelServerQuery\n");
std::lock_guard<std::recursive_mutex> lock(global_mutex);
auto r = std::find_if(direct_ip_requests.begin(), direct_ip_requests.end(), [&hServerQuery](Steam_Matchmaking_Servers_Direct_IP_Request const& item) { return item.id == hServerQuery; });
if (direct_ip_requests.end() == r) return;
direct_ip_requests.erase(r);
}
void Steam_Matchmaking_Servers::RunCallbacks()
{
PRINT_DEBUG("Steam_Matchmaking_Servers::RunCallbacks\n");
{
auto g = std::begin(gameservers);
while (g != std::end(gameservers)) {
if (check_timedout(g->last_recv, SERVER_TIMEOUT)) {
g = gameservers.erase(g);
PRINT_DEBUG("SERVER TIMEOUT\n");
} else {
++g;
}
}
}
PRINT_DEBUG("REQUESTS %zu gs: %zu\n", requests.size(), gameservers.size());
for (auto &r : requests) {
if (r.cancelled || r.completed) continue;
r.gameservers_filtered.clear();
for (auto &g : gameservers) {
PRINT_DEBUG("game_server_check %u %u\n", g.server.appid(), r.appid);
if ((g.server.appid() == r.appid) && (g.type == r.type)) {
PRINT_DEBUG("REQUESTS server found\n");
r.gameservers_filtered.push_back(g);
}
}
}
std::vector <struct Steam_Matchmaking_Request> requests_temp(requests);
PRINT_DEBUG("REQUESTS_TEMP %zu\n", requests_temp.size());
for (auto &r : requests) {
r.completed = true;
}
for (auto &r : requests_temp) {
if (r.cancelled || r.completed) continue;
int i = 0;
if (r.callbacks) {
for (auto &g : r.gameservers_filtered) {
PRINT_DEBUG("REQUESTS server responded cb %p\n", r.id);
r.callbacks->ServerResponded(r.id, i);
++i;
}
if (i) {
r.callbacks->RefreshComplete(r.id, eServerResponded);
} else {
r.callbacks->RefreshComplete(r.id, eNoServersListedOnMasterServer);
}
}
if (r.old_callbacks) {
for (auto &g : r.gameservers_filtered) {
PRINT_DEBUG("old REQUESTS server responded cb %p\n", r.id);
r.old_callbacks->ServerResponded(i);
++i;
}
if (i) {
r.old_callbacks->RefreshComplete(eServerResponded);
} else {
r.old_callbacks->RefreshComplete(eNoServersListedOnMasterServer);
}
}
}
std::vector <struct Steam_Matchmaking_Servers_Direct_IP_Request> direct_ip_requests_temp;
auto dip = std::begin(direct_ip_requests);
while (dip != std::end(direct_ip_requests)) {
if (check_timedout(dip->created, DIRECT_IP_DELAY)) {
direct_ip_requests_temp.push_back(*dip);
dip = direct_ip_requests.erase(dip);
} else {
++dip;
}
}
for (auto &r : direct_ip_requests_temp) {
PRINT_DEBUG("dip request: %lu:%hu\n", r.ip, r.port);
for (auto &g : gameservers) {
PRINT_DEBUG("server: %lu:%hu\n", g.server.ip(), g.server.query_port());
uint16 query_port = g.server.query_port();
if (query_port == 0xFFFF) {
query_port = g.server.port();
}
if (query_port == r.port && g.server.ip() == r.ip) {
if (r.rules_response) {
server_details_rules(&(g.server), &r);
r.rules_response->RulesRefreshComplete();
r.rules_response = NULL;
}
if (r.players_response) {
server_details_players(&(g.server), &r);
r.players_response->PlayersRefreshComplete();
r.players_response = NULL;
}
if (r.ping_response) {
gameserveritem_t server;
server_details(&(g.server), &server);
r.ping_response->ServerResponded(server);
r.ping_response = NULL;
}
}
}
if (r.rules_response) r.rules_response->RulesRefreshComplete();
if (r.players_response) r.players_response->PlayersRefreshComplete();
if (r.ping_response) r.ping_response->ServerFailedToRespond();
}
}
void Steam_Matchmaking_Servers::Callback(Common_Message *msg)
{
if (msg->has_gameserver() && msg->gameserver().type() != eFriendsServer) {
PRINT_DEBUG("got SERVER %llu, offline:%u\n", msg->gameserver().id(), msg->gameserver().offline());
if (msg->gameserver().offline()) {
for (auto &g : gameservers) {
if (g.server.id() == msg->gameserver().id()) {
g.last_recv = std::chrono::high_resolution_clock::time_point();
g.type = eLANServer;
}
}
} else {
bool already = false;
for (auto &g : gameservers) {
if (g.server.id() == msg->gameserver().id()) {
g.last_recv = std::chrono::high_resolution_clock::now();
g.server = msg->gameserver();
g.server.set_ip(msg->source_ip());
g.type = eLANServer;
already = true;
}
}
if (!already) {
struct Steam_Matchmaking_Servers_Gameserver g;
g.last_recv = std::chrono::high_resolution_clock::now();
g.server = msg->gameserver();
g.server.set_ip(msg->source_ip());
g.type = eLANServer;
gameservers.push_back(g);
PRINT_DEBUG("SERVER ADDED\n");
}
}
}
if (msg->has_gameserver() && msg->gameserver().type() == eFriendsServer) {
bool addserver = true;
for (auto &g : gameservers_friends) {
if (g.source_id == msg->source_id()) {
g.ip = msg->gameserver().ip();
g.port = msg->gameserver().port();
g.last_recv = std::chrono::high_resolution_clock::now();
addserver = false;
}
}
if (addserver) {
struct Steam_Matchmaking_Servers_Gameserver_Friends gameserver_friend;
gameserver_friend.source_id = msg->source_id();
gameserver_friend.ip = msg->gameserver().ip();
gameserver_friend.port = msg->gameserver().port();
gameserver_friend.last_recv = std::chrono::high_resolution_clock::now();
gameservers_friends.push_back(gameserver_friend);
}
}
}
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