finish rewrite, builds fully

This commit is contained in:
Lion Kortlepel 2021-02-17 00:46:18 +01:00 committed by Anonymous275
parent bf74b1ae32
commit d360403c56
16 changed files with 971 additions and 111 deletions

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@ -44,7 +44,9 @@ add_executable(BeamMP-Server
include/THeartbeatThread.h src/THeartbeatThread.cpp
include/Http.h src/Http.cpp
include/SocketIO.h src/SocketIO.cpp
include/TPPSMonitor.h src/TPPSMonitor.cpp include/TUDPServer.h src/TUDPServer.cpp include/TTCPServer.h src/TTCPServer.cpp)
include/TPPSMonitor.h src/TPPSMonitor.cpp
include/TUDPServer.h src/TUDPServer.cpp
include/TTCPServer.h src/TTCPServer.cpp)
target_include_directories(BeamMP-Server PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include" "${CMAKE_CURRENT_SOURCE_DIR}/commandline")
@ -54,11 +56,11 @@ target_include_directories(BeamMP-Server PUBLIC ${Boost_INCLUDE_DIRS} ${LUA_INCL
find_package(OpenSSL REQUIRED)
if (UNIX)
target_link_libraries(BeamMP-Server z pthread stdc++fs ${Boost_LINK_DIRS} ${LUA_LIBRARIES} dl crypto ${OPENSSL_LIBRARIES} ${Boost_LIBRARIES} commandline)
target_link_libraries(BeamMP-Server z pthread stdc++fs ${Boost_LINK_DIRS} ${LUA_LIBRARIES} dl crypto ${OPENSSL_LIBRARIES} ${Boost_LIBRARIES} commandline sioclient)
elseif (WIN32)
include(FindLua)
find_package(ZLIB REQUIRED)
find_package(RapidJSON CONFIG REQUIRED)
target_include_directories(BeamMP-Server PRIVATE ${RAPIDJSON_INCLUDE_DIRS} ${Boost_INCLUDE_DIRS})
target_link_libraries(BeamMP-Server PRIVATE ws2_32 ZLIB::ZLIB ${LUA_LIBRARIES} ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} commandline)
target_link_libraries(BeamMP-Server PRIVATE ws2_32 ZLIB::ZLIB ${LUA_LIBRARIES} ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} commandline sioclient)
endif ()

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@ -41,6 +41,9 @@ public:
bool IsConnected() const { return mIsConnected; }
bool IsSynced() const { return mIsSynced; }
bool IsGuest() const { return mIsGuest; }
void SetIsGuest(bool NewIsGuest) { mIsGuest = NewIsGuest; }
void SetIsSynced(bool NewIsSynced) { mIsSynced = NewIsSynced; }
void SetIsConnected(bool NewIsConnected) { mIsConnected = NewIsConnected; }
TServer& Server() const;
private:

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@ -4,7 +4,7 @@
#include <functional>
#include <memory>
#include <mutex>
#include <vector>
#include <deque>
#include "TConsole.h"
@ -56,7 +56,7 @@ private:
static inline std::string mPPS;
static std::unique_ptr<TConsole> mConsole;
static inline std::mutex mShutdownHandlersMutex {};
static inline std::vector<TShutdownHandler> mShutdownHandlers {};
static inline std::deque<TShutdownHandler> mShutdownHandlers {};
};
static inline void warn(const std::string& str) {

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@ -11,7 +11,7 @@
class TLuaEngine : public IThreaded {
public:
explicit TLuaEngine(TServer& Server);
explicit TLuaEngine(TServer& Server, TTCPServer& TCPServer, TUDPServer& UDPServer);
using TSetOfLuaFile = std::set<std::unique_ptr<TLuaFile>>;
@ -23,11 +23,16 @@ public:
std::optional<std::reference_wrapper<TLuaFile>> GetScript(lua_State* L);
TTCPServer& TCPServer() { return mTCPServer; }
TUDPServer& UDPServer() { return mUDPServer; }
private:
void FolderList(const std::string& Path, bool HotSwap);
void RegisterFiles(const std::string& Path, bool HotSwap);
bool NewFile(const std::string& Path);
TTCPServer& mTCPServer;
TUDPServer& mUDPServer;
TServer& mServer;
TSetOfLuaFile mLuaFiles;
};

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@ -56,4 +56,6 @@ private:
bool mConsole = false;
};
std::any TriggerLuaEvent(const std::string& Event, bool local, TLuaFile* Caller, std::shared_ptr<TLuaArg> arg, bool Wait);
#endif // TLUAFILE_H

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@ -1,12 +1,11 @@
#pragma once
#include "Common.h"
#include "IThreaded.h"
#include "TServer.h"
class TPPSMonitor : public IThreaded {
public:
TPPSMonitor(TServer& Server);
explicit TPPSMonitor(TServer& Server);
void operator()() override;

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@ -1,13 +1,16 @@
#pragma once
#include "IThreaded.h"
#include "RWMutex.h"
#include <functional>
#include <memory>
#include <mutex>
#include <unordered_set>
#include "RWMutex.h"
class TClient;
class TUDPServer;
class TTCPServer;
class TPPSMonitor;
class TServer final {
public:
@ -17,10 +20,16 @@ public:
std::weak_ptr<TClient> InsertNewClient();
void RemoveClient(std::weak_ptr<TClient>);
// in Fn, return true to continue, return false to break
void ForEachClient(const std::function<bool(std::weak_ptr<TClient>)>& Fn);
size_t ClientCount() const;
static void GlobalParser(std::weak_ptr<TClient> Client, std::string Packet, TPPSMonitor& PPSMonitor, TUDPServer& UDPServer, TTCPServer& TCPServer);
static void HandleEvent(TClient& c, const std::string& Data);
private:
TClientSet mClients;
mutable RWMutex mClientsMutex;
static void ParseVehicle(TClient& c, const std::string& Pckt, TTCPServer& TCPServer, TUDPServer& UDPServer);
static void Apply(TClient& c, int VID, const std::string& pckt);
};

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@ -1,14 +1,51 @@
#pragma once
#include "Client.h"
#include "Common.h"
#include "Compat.h"
#include "IThreaded.h"
#include "TServer.h"
class TResourceManager;
class TTCPServer : public IThreaded {
public:
explicit TTCPServer(TServer& Server);
explicit TTCPServer(TServer& Server, TPPSMonitor& PPSMonitor, TResourceManager& ResourceManager);
void operator()() override;
bool TCPSend(TClient& c, const std::string& Data);
void SendLarge(TClient& c, std::string Data);
void Respond(TClient& c, const std::string& MSG, bool Rel);
std::weak_ptr<TClient> CreateClient(SOCKET TCPSock);
std::string TCPRcv(TClient& c);
void ClientKick(TClient& c, const std::string& R);
void SetUDPServer(TUDPServer& UDPServer);
TUDPServer& UDPServer() { return mUDPServer->get(); }
void SyncClient(std::weak_ptr<TClient> c);
void Identify(SOCKET TCPSock);
void Authentication(SOCKET TCPSock);
bool CheckBytes(TClient& c, int32_t BytesRcv);
void SyncResources(TClient& c);
void UpdatePlayers();
private:
std::optional<std::reference_wrapper<TUDPServer>> mUDPServer { std::nullopt };
TServer& mServer;
TPPSMonitor& mPPSMonitor;
TResourceManager& mResourceManager;
bool mShutdown { false };
void HandleDownload(SOCKET TCPSock);
void OnConnect(std::weak_ptr<TClient> c);
void TCPClient(std::weak_ptr<TClient> c);
int OpenID();
void OnDisconnect(std::weak_ptr<TClient> ClientPtr, bool kicked);
void Parse(TClient& c, const std::string& Packet);
void SendFile(TClient& c, const std::string& Name);
static bool TCPSendRaw(SOCKET C, char* Data, int32_t Size);
static void SplitLoad(TClient& c, int64_t Sent, int64_t Size, bool D, const std::string& Name);
};

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@ -9,7 +9,7 @@
class TUDPServer : public IThreaded {
public:
explicit TUDPServer(TServer& Server, TPPSMonitor& PPSMonitor);
explicit TUDPServer(TServer& Server, TPPSMonitor& PPSMonitor, TTCPServer& TCPServer);
void operator()() override;
@ -17,10 +17,10 @@ public:
void SendToAll(TClient* c, const std::string& Data, bool Self, bool Rel);
private:
void UDPParser(TClient& Client, std::string Packet);
TServer& mServer;
TPPSMonitor& mPPSMonitor;
SOCKET mUDPSock;
TTCPServer& mTCPServer;
SOCKET mUDPSock {};
std::string UDPRcvFromClient(sockaddr_in& client) const;
};

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@ -11,7 +11,7 @@ std::unique_ptr<TConsole> Application::mConsole = std::make_unique<TConsole>();
void Application::RegisterShutdownHandler(const TShutdownHandler& Handler) {
std::unique_lock Lock(mShutdownHandlersMutex);
if (Handler) {
mShutdownHandlers.push_back(Handler);
mShutdownHandlers.push_front(Handler);
}
}

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@ -5,8 +5,10 @@
namespace fs = std::filesystem;
TLuaEngine::TLuaEngine(TServer& Server)
: mServer(Server) {
TLuaEngine::TLuaEngine(TServer& Server, TTCPServer& TCPServer, TUDPServer& UDPServer)
: mTCPServer(TCPServer)
, mUDPServer(UDPServer)
, mServer(Server) {
if (!fs::exists(Application::Settings.ResourceFolder)) {
fs::create_directory(Application::Settings.ResourceFolder);
}

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@ -4,6 +4,8 @@
#include "CustomAssert.h"
#include "TLuaEngine.h"
#include "TServer.h"
#include "TTCPServer.h"
#include "TUDPServer.h"
#include <future>
#include <thread>
@ -68,11 +70,11 @@ std::any FutureWait(TLuaFile* lua, const std::string& R, std::shared_ptr<TLuaArg
return f1.get();
return 0;
}
std::any TriggerLuaEvent(TLuaEngine& Engine, const std::string& Event, bool local, TLuaFile* Caller, std::shared_ptr<TLuaArg> arg, bool Wait) {
std::any TriggerLuaEvent(const std::string& Event, bool local, TLuaFile* Caller, std::shared_ptr<TLuaArg> arg, bool Wait) {
std::any R;
std::string Type;
int Ret = 0;
for (auto& Script : Engine.LuaFiles()) {
for (auto& Script : Engine().LuaFiles()) {
if (Script->IsRegistered(Event)) {
if (local) {
if (Script->GetPluginName() == Caller->GetPluginName()) {
@ -139,7 +141,7 @@ int lua_TriggerEventL(lua_State* L) {
TLuaFile& Script = MaybeScript.value();
if (Args > 0) {
if (lua_isstring(L, 1)) {
TriggerLuaEvent(Engine(), lua_tostring(L, 1), true, &Script, CreateArg(L, Args, 2), false);
TriggerLuaEvent(lua_tostring(L, 1), true, &Script, CreateArg(L, Args, 2), false);
} else
SendError(Engine(), L, ("TriggerLocalEvent wrong argument [1] need string"));
} else {
@ -155,7 +157,7 @@ int lua_TriggerEventG(lua_State* L) {
TLuaFile& Script = MaybeScript.value();
if (Args > 0) {
if (lua_isstring(L, 1)) {
TriggerLuaEvent(Engine(), lua_tostring(L, 1), false, &Script, CreateArg(L, Args, 2), false);
TriggerLuaEvent(lua_tostring(L, 1), false, &Script, CreateArg(L, Args, 2), false);
} else
SendError(Engine(), L, ("TriggerGlobalEvent wrong argument [1] need string"));
} else
@ -356,7 +358,7 @@ int lua_dropPlayer(lua_State* L) {
Reason = std::string((" Reason : ")) + lua_tostring(L, 2);
}
auto c = MaybeClient.value().lock();
Respond(c, "C:Server:You have been Kicked from the server! " + Reason, true);
Engine().TCPServer().Respond(*c, "C:Server:You have been Kicked from the server! " + Reason, true);
c->SetStatus(-2);
info(("Closing socket due to kick"));
CloseSocketProper(c->GetTCPSock());
@ -370,7 +372,7 @@ int lua_sendChat(lua_State* L) {
int ID = int(lua_tointeger(L, 1));
if (ID == -1) {
std::string Packet = "C:Server: " + std::string(lua_tostring(L, 2));
SendToAll(nullptr, Packet, true, true);
Engine().UDPServer().SendToAll(nullptr, Packet, true, true);
} else {
auto MaybeClient = GetClient(Engine().Server(), ID);
if (MaybeClient && !MaybeClient.value().expired()) {
@ -378,7 +380,7 @@ int lua_sendChat(lua_State* L) {
if (!c->IsSynced())
return 0;
std::string Packet = "C:Server: " + std::string(lua_tostring(L, 2));
Respond(c, Packet, true);
Engine().TCPServer().Respond(*c, Packet, true);
} else
SendError(Engine(), L, ("SendChatMessage invalid argument [1] invalid ID"));
}
@ -405,7 +407,7 @@ int lua_RemoveVehicle(lua_State* L) {
auto c = MaybeClient.value().lock();
if (!c->GetCarData(VID).empty()) {
std::string Destroy = "Od:" + std::to_string(PID) + "-" + std::to_string(VID);
SendToAll(nullptr, Destroy, true, true);
Engine().UDPServer().SendToAll(nullptr, Destroy, true, true);
c->DeleteCar(VID);
}
} else
@ -437,7 +439,7 @@ int lua_RemoteEvent(lua_State* L) {
int ID = int(lua_tointeger(L, 1));
std::string Packet = "E:" + std::string(lua_tostring(L, 2)) + ":" + std::string(lua_tostring(L, 3));
if (ID == -1)
SendToAll(nullptr, Packet, true, true);
Engine().UDPServer().SendToAll(nullptr, Packet, true, true);
else {
auto MaybeClient = GetClient(Engine().Server(), ID);
if (!MaybeClient || MaybeClient.value().expired()) {
@ -445,7 +447,7 @@ int lua_RemoteEvent(lua_State* L) {
return 0;
}
auto c = MaybeClient.value().lock();
Respond(c, Packet, true);
Engine().TCPServer().Respond(*c, Packet, true);
}
return 0;
}

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@ -1,6 +1,17 @@
#include "TServer.h"
#include "Client.h"
#include "Common.h"
#include "TPPSMonitor.h"
#include "TTCPServer.h"
#include "TUDPServer.h"
#include <TLuaFile.h>
#include <any>
#include <sstream>
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
namespace json = rapidjson;
TServer::TServer(int argc, char** argv) {
info("BeamMP Server running version " + Application::ServerVersion());
@ -47,3 +58,214 @@ size_t TServer::ClientCount() const {
ReadLock Lock(mClientsMutex);
return mClients.size();
}
void TServer::GlobalParser(std::weak_ptr<TClient> Client, std::string Packet, TPPSMonitor& PPSMonitor, TUDPServer& UDPServer, TTCPServer& TCPServer) {
if (Packet.find("Zp") != std::string::npos && Packet.size() > 500) {
abort();
}
if (Packet.substr(0, 4) == "ABG:") {
Packet = DeComp(Packet.substr(4));
}
if (Packet.empty()) {
return;
}
if (Client.expired()) {
return;
}
auto LockedClient = Client.lock();
std::any Res;
char Code = Packet.at(0);
//V to Z
if (Code <= 90 && Code >= 86) {
PPSMonitor.IncrementInternalPPS();
UDPServer.SendToAll(LockedClient.get(), Packet, false, false);
return;
}
switch (Code) {
case 'H': // initial connection
#ifdef DEBUG
debug(std::string("got 'H' packet: '") + Packet + "' (" + std::to_string(Packet.size()) + ")");
#endif
TCPServer.SyncClient(Client);
return;
case 'p':
TCPServer.Respond(*LockedClient, ("p"), false);
TCPServer.UpdatePlayers();
return;
case 'O':
if (Packet.length() > 1000) {
debug(("Received data from: ") + LockedClient->GetName() + (" Size: ") + std::to_string(Packet.length()));
}
ParseVehicle(*LockedClient, Packet, TCPServer, UDPServer);
return;
case 'J':
#ifdef DEBUG
debug(std::string(("got 'J' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(LockedClient.get(), Packet, false, true);
return;
case 'C':
#ifdef DEBUG
debug(std::string(("got 'C' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
if (Packet.length() < 4 || Packet.find(':', 3) == std::string::npos)
break;
Res = TriggerLuaEvent("onChatMessage", false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetID(), LockedClient->GetName(), Packet.substr(Packet.find(':', 3) + 1) } }), true);
if (std::any_cast<int>(Res))
break;
UDPServer.SendToAll(nullptr, Packet, true, true);
return;
case 'E':
#ifdef DEBUG
debug(std::string(("got 'E' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
HandleEvent(*LockedClient, Packet);
return;
default:
return;
}
}
void TServer::HandleEvent(TClient& c, const std::string& Data) {
std::stringstream ss(Data);
std::string t, Name;
int a = 0;
while (std::getline(ss, t, ':')) {
switch (a) {
case 1:
Name = t;
break;
case 2:
TriggerLuaEvent(Name, false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), t } }), false);
break;
default:
break;
}
if (a == 2)
break;
a++;
}
}
void TServer::ParseVehicle(TClient& c, const std::string& Pckt, TTCPServer& TCPServer, TUDPServer& UDPServer) {
if (Pckt.length() < 4)
return;
std::string Packet = Pckt;
char Code = Packet.at(1);
int PID = -1;
int VID = -1;
std::string Data = Packet.substr(3), pid, vid;
switch (Code) { //Spawned Destroyed Switched/Moved NotFound Reset
case 's':
#ifdef DEBUG
debug(std::string(("got 'Os' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
if (Data.at(0) == '0') {
int CarID = c.GetOpenCarID();
debug(c.GetName() + (" created a car with ID ") + std::to_string(CarID));
Packet = "Os:" + c.GetRoles() + ":" + c.GetName() + ":" + std::to_string(c.GetID()) + "-" + std::to_string(CarID) + Packet.substr(4);
auto Res = TriggerLuaEvent(("onVehicleSpawn"), false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), CarID, Packet.substr(3) } }), true);
if (c.GetCarCount() >= Application::Settings.MaxCars || std::any_cast<int>(Res)) {
TCPServer.Respond(c, Packet, true);
std::string Destroy = "Od:" + std::to_string(c.GetID()) + "-" + std::to_string(CarID);
TCPServer.Respond(c, Destroy, true);
debug(c.GetName() + (" (force : car limit/lua) removed ID ") + std::to_string(CarID));
} else {
c.AddNewCar(CarID, Packet);
UDPServer.SendToAll(nullptr, Packet, true, true);
}
}
return;
case 'c':
#ifdef DEBUG
debug(std::string(("got 'Oc' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
pid = Data.substr(0, Data.find('-'));
vid = Data.substr(Data.find('-') + 1, Data.find(':', 1) - Data.find('-') - 1);
if (pid.find_first_not_of("0123456789") == std::string::npos && vid.find_first_not_of("0123456789") == std::string::npos) {
PID = stoi(pid);
VID = stoi(vid);
}
if (PID != -1 && VID != -1 && PID == c.GetID()) {
auto Res = TriggerLuaEvent(("onVehicleEdited"), false, nullptr,
std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), VID, Packet.substr(3) } }),
true);
if (!std::any_cast<int>(Res)) {
UDPServer.SendToAll(&c, Packet, false, true);
Apply(c, VID, Packet);
} else {
std::string Destroy = "Od:" + std::to_string(c.GetID()) + "-" + std::to_string(VID);
TCPServer.Respond(c, Destroy, true);
c.DeleteCar(VID);
}
}
return;
case 'd':
#ifdef DEBUG
debug(std::string(("got 'Od' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
pid = Data.substr(0, Data.find('-'));
vid = Data.substr(Data.find('-') + 1);
if (pid.find_first_not_of("0123456789") == std::string::npos && vid.find_first_not_of("0123456789") == std::string::npos) {
PID = stoi(pid);
VID = stoi(vid);
}
if (PID != -1 && VID != -1 && PID == c.GetID()) {
UDPServer.SendToAll(nullptr, Packet, true, true);
TriggerLuaEvent(("onVehicleDeleted"), false, nullptr,
std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), VID } }), false);
c.DeleteCar(VID);
debug(c.GetName() + (" deleted car with ID ") + std::to_string(VID));
}
return;
case 'r':
#ifdef DEBUG
debug(std::string(("got 'Or' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(&c, Packet, false, true);
return;
case 't':
#ifdef DEBUG
debug(std::string(("got 'Ot' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(&c, Packet, false, true);
return;
default:
#ifdef DEBUG
warn(std::string(("possibly not implemented: '") + Packet + ("' (") + std::to_string(Packet.size()) + (")")));
#endif // DEBUG
return;
}
}
void TServer::Apply(TClient& c, int VID, const std::string& pckt) {
std::string Packet = pckt.substr(pckt.find('{')), VD = c.GetCarData(VID);
std::string Header = VD.substr(0, VD.find('{'));
VD = VD.substr(VD.find('{'));
rapidjson::Document Veh, Pack;
Veh.Parse(VD.c_str());
if (Veh.HasParseError()) {
error("Could not get vehicle config!");
return;
}
Pack.Parse(Packet.c_str());
if (Pack.HasParseError() || Pack.IsNull()) {
error("Could not get active vehicle config!");
return;
}
for (auto& M : Pack.GetObject()) {
if (Veh[M.name].IsNull()) {
Veh.AddMember(M.name, M.value, Veh.GetAllocator());
} else {
Veh[M.name] = Pack[M.name];
}
}
rapidjson::StringBuffer Buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(Buffer);
Veh.Accept(writer);
c.SetCarData(VID, Header + Buffer.GetString());
}

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@ -1,5 +1,644 @@
#include "TTCPServer.h"
#include "TLuaEngine.h"
#include "TLuaFile.h"
#include "TResourceManager.h"
#include "TUDPServer.h"
#include <CustomAssert.h>
#include <Http.h>
#include <cstring>
TTCPServer::TTCPServer(TServer& Server)
: mServer(Server) {
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
namespace json = rapidjson;
bool TCPSend(std::weak_ptr<TClient> c, const std::string& Data);
bool TCPSend(TClient& c, const std::string& Data);
TTCPServer::TTCPServer(TServer& Server, TPPSMonitor& PPSMonitor, TResourceManager& ResourceManager)
: mServer(Server)
, mPPSMonitor(PPSMonitor)
, mResourceManager(ResourceManager) {
Application::RegisterShutdownHandler([this] { mShutdown = true; });
}
void TTCPServer::Identify(SOCKET TCPSock) {
char Code;
if (recv(TCPSock, &Code, 1, 0) != 1) {
CloseSocketProper(TCPSock);
return;
}
if (Code == 'C') {
Authentication(TCPSock);
} else if (Code == 'D') {
HandleDownload(TCPSock);
} else {
CloseSocketProper(TCPSock);
}
}
void TTCPServer::HandleDownload(SOCKET TCPSock) {
char D;
if (recv(TCPSock, &D, 1, 0) != 1) {
CloseSocketProper(TCPSock);
return;
}
auto ID = uint8_t(D);
mServer.ForEachClient([&](std::weak_ptr<TClient> ClientPtr) -> bool {
if (!ClientPtr.expired()) {
auto c = ClientPtr.lock();
if (c->GetID() == ID) {
c->SetDownSock(TCPSock);
}
}
return true;
});
}
void TTCPServer::Authentication(SOCKET TCPSock) {
auto c = CreateClient(TCPSock);
std::string Rc;
info("Identifying new client...");
Assert(!c.expired());
auto LockedClient = c.lock();
Rc = TCPRcv(*LockedClient);
if (Rc.size() > 3 && Rc.substr(0, 2) == "VC") {
Rc = Rc.substr(2);
if (Rc.length() > 4 || Rc != Application::ClientVersion()) {
ClientKick(*LockedClient, "Outdated Version!");
return;
}
} else {
ClientKick(*LockedClient, "Invalid version header!");
return;
}
TCPSend(*LockedClient, "S");
Rc = TCPRcv(*LockedClient);
if (Rc.size() > 50) {
ClientKick(*LockedClient, "Invalid Key!");
return;
}
if (!Rc.empty()) {
Rc = Http::POST("auth.beammp.com", "/pkToUser", {}, R"({"key":")" + Rc + "\"}", true);
}
json::Document AuthResponse;
AuthResponse.Parse(Rc.c_str());
if (Rc == "-1" || AuthResponse.HasParseError()) {
ClientKick(*LockedClient, "Invalid key! Please restart your game.");
return;
}
if (AuthResponse["username"].IsString() && AuthResponse["roles"].IsString() && AuthResponse["guest"].IsBool()) {
LockedClient->SetName(AuthResponse["username"].GetString());
LockedClient->SetRoles(AuthResponse["roles"].GetString());
LockedClient->SetIsGuest(AuthResponse["guest"].GetBool());
} else {
ClientKick(*LockedClient, "Invalid authentication data!");
return;
}
debug("Name -> " + LockedClient->GetName() + ", Guest -> " + std::to_string(LockedClient->IsGuest()) + ", Roles -> " + LockedClient->GetRoles());
mServer.ForEachClient([&](std::weak_ptr<TClient> ClientPtr) -> bool {
if (!ClientPtr.expired()) {
auto Cl = ClientPtr.lock();
if (Cl->GetName() == LockedClient->GetName() && Cl->IsGuest() == LockedClient->IsGuest()) {
info("Old client (" + Cl->GetName() + ") kicked: Reconnecting");
CloseSocketProper(Cl->GetTCPSock());
Cl->SetStatus(-2);
return false;
}
return true;
}
});
auto arg = std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetName(), LockedClient->GetRoles(), LockedClient->IsGuest() } });
std::any Res = TriggerLuaEvent("onPlayerAuth", false, nullptr, std::move(arg), true);
std::string Type = Res.type().name();
if (Type.find("int") != std::string::npos && std::any_cast<int>(Res)) {
ClientKick(*LockedClient, "you are not allowed on the server!");
return;
} else if (Type.find("string") != std::string::npos) {
ClientKick(*LockedClient, std::any_cast<std::string>(Res));
return;
}
if (mServer.ClientCount() < size_t(Application::Settings.MaxPlayers)) {
info("Identification success");
TCPClient(c);
} else
ClientKick(*LockedClient, "Server full!");
}
std::weak_ptr<TClient> TTCPServer::CreateClient(SOCKET TCPSock) {
auto c = mServer.InsertNewClient();
c.lock()->SetTCPSock(TCPSock);
return c;
}
bool TTCPServer::TCPSend(TClient& c, const std::string& Data) {
int32_t Size, Sent;
std::string Send(4, 0);
Size = int32_t(Data.size());
memcpy(&Send[0], &Size, sizeof(Size));
Send += Data;
Sent = 0;
Size += 4;
do {
int32_t Temp = send(c.GetTCPSock(), &Send[Sent], Size - Sent, 0);
if (Temp == 0) {
if (c.GetStatus() > -1)
c.SetStatus(-1);
return false;
} else if (Temp < 0) {
if (c.GetStatus() > -1)
c.SetStatus(-1);
CloseSocketProper(c.GetTCPSock());
return false;
}
Sent += Temp;
} while (Sent < Size);
return true;
}
bool TTCPServer::CheckBytes(TClient& c, int32_t BytesRcv) {
if (BytesRcv == 0) {
debug("(TCP) Connection closing...");
if (c.GetStatus() > -1)
c.SetStatus(-1);
return false;
} else if (BytesRcv < 0) {
#ifdef WIN32
debug(("(TCP) recv failed with error: ") + std::to_string(WSAGetLastError()));
#else // unix
debug(("(TCP) recv failed with error: ") + std::string(strerror(errno)));
#endif // WIN32
if (c.GetStatus() > -1)
c.SetStatus(-1);
info(("Closing socket in CheckBytes, BytesRcv < 0"));
CloseSocketProper(c.GetTCPSock());
return false;
}
return true;
}
std::string TTCPServer::TCPRcv(TClient& c) {
int32_t Header, BytesRcv = 0, Temp;
if (c.GetStatus() < 0)
return "";
std::vector<char> Data(sizeof(Header));
do {
Temp = recv(c.GetTCPSock(), &Data[BytesRcv], 4 - BytesRcv, 0);
if (!CheckBytes(c, Temp)) {
#ifdef DEBUG
error(std::string(__func__) + (": failed on CheckBytes in while(BytesRcv < 4)"));
#endif // DEBUG
return "";
}
BytesRcv += Temp;
} while (size_t(BytesRcv) < sizeof(Header));
memcpy(&Header, &Data[0], sizeof(Header));
#ifdef DEBUG
//debug(std::string(__func__) + (": expecting ") + std::to_string(Header) + (" bytes."));
#endif // DEBUG
if (!CheckBytes(c, BytesRcv)) {
#ifdef DEBUG
error(std::string(__func__) + (": failed on CheckBytes"));
#endif // DEBUG
return "";
}
Data.resize(Header);
BytesRcv = 0;
do {
Temp = recv(c.GetTCPSock(), &Data[BytesRcv], Header - BytesRcv, 0);
if (!CheckBytes(c, Temp)) {
#ifdef DEBUG
error(std::string(__func__) + (": failed on CheckBytes in while(BytesRcv < Header)"));
#endif // DEBUG
return "";
}
#ifdef DEBUG
//debug(std::string(__func__) + (": Temp: ") + std::to_string(Temp) + (", BytesRcv: ") + std::to_string(BytesRcv));
#endif // DEBUG
BytesRcv += Temp;
} while (BytesRcv < Header);
#ifdef DEBUG
//debug(std::string(__func__) + (": finished recv with Temp: ") + std::to_string(Temp) + (", BytesRcv: ") + std::to_string(BytesRcv));
#endif // DEBUG
std::string Ret(Data.data(), Header);
if (Ret.substr(0, 4) == "ABG:") {
Ret = DeComp(Ret.substr(4));
}
#ifdef DEBUG
//debug("Parsing from " + c->GetName() + " -> " +std::to_string(Ret.size()));
#endif
return Ret;
}
void TTCPServer::ClientKick(TClient& c, const std::string& R) {
info("Client kicked: " + R);
TCPSend(c, "E" + R);
CloseSocketProper(c.GetTCPSock());
}
void TTCPServer::TCPClient(std::weak_ptr<TClient> c) {
// TODO: the c.expired() might cause issues here, remove if you end up here with your debugger
if (c.expired() || c.lock()->GetTCPSock() == -1) {
mServer.RemoveClient(c);
return;
}
OnConnect(c);
while (true) {
if (c.expired())
break;
auto Client = c.lock();
if (Client->GetStatus() <= -1) {
break;
}
TServer::GlobalParser(c, TCPRcv(*Client), mPPSMonitor, UDPServer(), *this);
}
if (!c.expired()) {
auto Client = c.lock();
OnDisconnect(c, Client->GetStatus() == -2);
} else {
warn("client expired in TCPClient, should never happen");
}
}
void TTCPServer::UpdatePlayers() {
std::string Packet = ("Ss") + std::to_string(mServer.ClientCount()) + "/" + std::to_string(Application::Settings.MaxPlayers) + ":";
mServer.ForEachClient([&](std::weak_ptr<TClient> ClientPtr) -> bool {
if (!ClientPtr.expired()) {
auto c = ClientPtr.lock();
Packet += c->GetName() + ",";
}
});
Packet = Packet.substr(0, Packet.length() - 1);
UDPServer().SendToAll(nullptr, Packet, true, true);
}
void TTCPServer::OnDisconnect(std::weak_ptr<TClient> ClientPtr, bool kicked) {
Assert(!ClientPtr.expired());
auto LockedClientPtr = ClientPtr.lock();
TClient& c = *LockedClientPtr;
info(c.GetName() + (" Connection Terminated"));
std::string Packet;
for (auto& v : c.GetAllCars()) {
if (v != nullptr) {
Packet = "Od:" + std::to_string(c.GetID()) + "-" + std::to_string(v->ID());
UDPServer().SendToAll(&c, Packet, false, true);
}
}
if (kicked)
Packet = ("L") + c.GetName() + (" was kicked!");
else
Packet = ("L") + c.GetName() + (" left the server!");
UDPServer().SendToAll(&c, Packet, false, true);
Packet.clear();
TriggerLuaEvent(("onPlayerDisconnect"), false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { c.GetID() } }), false);
if (c.GetTCPSock())
CloseSocketProper(c.GetTCPSock());
if (c.GetDownSock())
CloseSocketProper(c.GetDownSock());
mServer.RemoveClient(ClientPtr);
}
int TTCPServer::OpenID() {
int ID = 0;
bool found;
do {
found = true;
mServer.ForEachClient([&](std::weak_ptr<TClient> ClientPtr) -> bool {
if (!ClientPtr.expired()) {
auto c = ClientPtr.lock();
if (c->GetID() == ID) {
found = false;
ID++;
}
return true;
}
});
} while (!found);
return ID;
}
void TTCPServer::OnConnect(std::weak_ptr<TClient> c) {
Assert(!c.expired());
info("Client connected");
auto LockedClient = c.lock();
LockedClient->SetID(OpenID());
info("Assigned ID " + std::to_string(LockedClient->GetID()) + " to " + LockedClient->GetName());
TriggerLuaEvent("onPlayerConnecting", false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetID() } }), false);
SyncResources(*LockedClient);
if (LockedClient->GetStatus() < 0)
return;
Respond(*LockedClient, "M" + Application::Settings.MapName, true); //Send the Map on connect
info(LockedClient->GetName() + " : Connected");
TriggerLuaEvent("onPlayerJoining", false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetID() } }), false);
}
void TTCPServer::SyncResources(TClient& c) {
#ifndef DEBUG
try {
#endif
TCPSend(c, "P" + std::to_string(c.GetID()));
std::string Data;
while (c.GetStatus() > -1) {
Data = TCPRcv(c);
if (Data == "Done")
break;
Parse(c, Data);
}
#ifndef DEBUG
} catch (std::exception& e) {
except("Exception! : " + std::string(e.what()));
c->SetStatus(-1);
}
#endif
}
void TTCPServer::Parse(TClient& c, const std::string& Packet) {
if (Packet.empty())
return;
char Code = Packet.at(0), SubCode = 0;
if (Packet.length() > 1)
SubCode = Packet.at(1);
switch (Code) {
case 'f':
SendFile(c, Packet.substr(1));
return;
case 'S':
if (SubCode == 'R') {
debug("Sending Mod Info");
std::string ToSend = mResourceManager.FileList() + mResourceManager.FileSizes();
if (ToSend.empty())
ToSend = "-";
TCPSend(c, ToSend);
}
return;
default:
return;
}
}
void TTCPServer::SendFile(TClient& c, const std::string& Name) {
info(c.GetName() + " requesting : " + Name.substr(Name.find_last_of('/')));
if (!std::filesystem::exists(Name)) {
TCPSend(c, "CO");
warn("File " + Name + " could not be accessed!");
return;
} else
TCPSend(c, "AG");
///Wait for connections
int T = 0;
while (c.GetDownSock() < 1 && T < 50) {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
T++;
}
if (c.GetDownSock() < 1) {
error("Client doesn't have a download socket!");
if (c.GetStatus() > -1)
c.SetStatus(-1);
return;
}
int64_t Size = std::filesystem::file_size(Name), MSize = Size / 2;
std::thread SplitThreads[2] {
std::thread([&] {
SplitLoad(c, 0, MSize, false, Name);
}),
std::thread([&] {
SplitLoad(c, MSize, Size, true, Name);
})
};
for (auto& SplitThread : SplitThreads) {
if (SplitThread.joinable()) {
SplitThread.join();
}
}
}
void TTCPServer::SplitLoad(TClient& c, int64_t Sent, int64_t Size, bool D, const std::string& Name) {
std::ifstream f(Name.c_str(), std::ios::binary);
int32_t Split = 0x7735940; //125MB
char* Data;
if (Size > Split)
Data = new char[Split];
else
Data = new char[Size];
SOCKET TCPSock;
if (D)
TCPSock = c.GetDownSock();
else
TCPSock = c.GetTCPSock();
info("Split load Socket " + std::to_string(TCPSock));
while (c.GetStatus() > -1 && Sent < Size) {
int64_t Diff = Size - Sent;
if (Diff > Split) {
f.seekg(Sent, std::ios_base::beg);
f.read(Data, Split);
if (!TCPSendRaw(TCPSock, Data, Split)) {
if (c.GetStatus() > -1)
c.SetStatus(-1);
break;
}
Sent += Split;
} else {
f.seekg(Sent, std::ios_base::beg);
f.read(Data, Diff);
if (!TCPSendRaw(TCPSock, Data, int32_t(Diff))) {
if (c.GetStatus() > -1)
c.SetStatus(-1);
break;
}
Sent += Diff;
}
}
delete[] Data;
f.close();
}
bool TTCPServer::TCPSendRaw(SOCKET C, char* Data, int32_t Size) {
int64_t Sent = 0;
do {
int64_t Temp = send(C, &Data[Sent], int(Size - Sent), 0);
if (Temp < 1) {
info("Socket Closed! " + std::to_string(C));
CloseSocketProper(C);
return false;
}
Sent += Temp;
} while (Sent < Size);
return true;
}
void TTCPServer::SendLarge(TClient& c, std::string Data) {
if (Data.length() > 400) {
std::string CMP(Comp(Data));
Data = "ABG:" + CMP;
}
TCPSend(c, Data);
}
void TTCPServer::Respond(TClient& c, const std::string& MSG, bool Rel) {
char C = MSG.at(0);
if (Rel || C == 'W' || C == 'Y' || C == 'V' || C == 'E') {
if (C == 'O' || C == 'T' || MSG.length() > 1000) {
SendLarge(c, MSG);
} else {
TCPSend(c, MSG);
}
} else {
UDPServer().UDPSend(c, MSG);
}
}
void TTCPServer::SyncClient(std::weak_ptr<TClient> c) {
if (c.expired()) {
return;
}
auto LockedClient = c.lock();
if (LockedClient->IsSynced())
return;
LockedClient->SetIsSynced(true);
std::this_thread::sleep_for(std::chrono::seconds(1));
Respond(*LockedClient, ("Sn") + LockedClient->GetName(), true);
UDPServer().SendToAll(LockedClient.get(), ("JWelcome ") + LockedClient->GetName() + "!", false, true);
TriggerLuaEvent(("onPlayerJoin"), false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetID() } }), false);
bool Return = false;
mServer.ForEachClient([&](std::weak_ptr<TClient> ClientPtr) -> bool {
if (!ClientPtr.expired()) {
auto client = ClientPtr.lock();
if (client != LockedClient) {
for (auto& v : LockedClient->GetAllCars()) {
if (v != nullptr) {
if (LockedClient->GetStatus() < 0) {
Return = true;
return false;
}
Respond(*LockedClient, v->Data(), true);
std::this_thread::sleep_for(std::chrono::seconds(2));
}
}
}
}
return true;
});
if (Return) {
return;
}
info(LockedClient->GetName() + (" is now synced!"));
}
void TTCPServer::SetUDPServer(TUDPServer& UDPServer) {
mUDPServer = std::ref(UDPServer);
}
void TTCPServer::operator()() {
while (!mUDPServer.has_value()) {
// hard spin
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
#ifdef WIN32
WSADATA wsaData;
if (WSAStartup(514, &wsaData)) {
error("Can't start Winsock!");
return;
}
SOCKET client, Listener = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
sockaddr_in addr {};
addr.sin_addr.S_un.S_addr = ADDR_ANY;
addr.sin_family = AF_INET;
addr.sin_port = htons(Application::Settings.Port);
if (bind(Listener, (sockaddr*)&addr, sizeof(addr)) == SOCKET_ERROR) {
error("Can't bind socket! " + std::to_string(WSAGetLastError()));
std::this_thread::sleep_for(std::chrono::seconds(5));
exit(-1);
}
if (Listener == -1) {
error("Invalid listening socket");
return;
}
if (listen(Listener, SOMAXCONN)) {
error("listener failed " + std::to_string(GetLastError()));
return;
}
info("Vehicle event network online");
do {
try {
client = accept(Listener, nullptr, nullptr);
if (client == -1) {
warn("Got an invalid client socket on connect! Skipping...");
continue;
}
std::thread ID(&TTCPServer::Identify, this, client);
ID.detach();
} catch (const std::exception& e) {
error("fatal: " + std::string(e.what()));
}
} while (client);
CloseSocketProper(client);
WSACleanup();
#else // unix
// wondering why we need slightly different implementations of this?
// ask ms.
SOCKET client = -1;
SOCKET Listener = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
int optval = 1;
setsockopt(Listener, SOL_SOCKET, SO_REUSEPORT, &optval, sizeof(optval));
// TODO: check optval or return value idk
sockaddr_in addr {};
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_family = AF_INET;
addr.sin_port = htons(uint16_t(Application::Settings.Port));
if (bind(Listener, (sockaddr*)&addr, sizeof(addr)) != 0) {
error(("Can't bind socket! ") + std::string(strerror(errno)));
std::this_thread::sleep_for(std::chrono::seconds(5));
exit(-1);
}
if (Listener == -1) {
error(("Invalid listening socket"));
return;
}
if (listen(Listener, SOMAXCONN)) {
error(("listener failed ") + std::string(strerror(errno)));
return;
}
info(("Vehicle event network online"));
do {
try {
client = accept(Listener, nullptr, nullptr);
if (client == -1) {
warn(("Got an invalid client socket on connect! Skipping..."));
continue;
}
std::thread ID(&TTCPServer::Identify, this, client);
ID.detach();
} catch (const std::exception& e) {
error(("fatal: ") + std::string(e.what()));
}
} while (client && !mShutdown);
debug("all ok, arrived at " + std::string(__func__) + ":" + std::to_string(__LINE__));
CloseSocketProper(client);
#endif
}

View File

@ -1,11 +1,14 @@
#include "TUDPServer.h"
#include "CustomAssert.h"
#include "TTCPServer.h"
#include <any>
#include <cstring>
#include <utility>
TUDPServer::TUDPServer(TServer& Server, TPPSMonitor& PPSMonitor)
TUDPServer::TUDPServer(TServer& Server, TPPSMonitor& PPSMonitor, TTCPServer& TCPServer)
: mServer(Server)
, mPPSMonitor(PPSMonitor) {
, mPPSMonitor(PPSMonitor)
, mTCPServer(TCPServer) {
}
void TUDPServer::operator()() {
@ -65,8 +68,8 @@ void TUDPServer::operator()() {
auto Client = ClientPtr.lock();
if (Client->GetID() == ID) {
Client->SetUDPAddr(client);
Client->SetConnected(true);
UDPParser(*Client, Data.substr(2));
Client->SetIsConnected(true);
TServer::GlobalParser(ClientPtr, Data.substr(2), mPPSMonitor, *this, mTCPServer);
}
}
return true;
@ -76,69 +79,6 @@ void TUDPServer::operator()() {
}
}
}
void TUDPServer::UDPParser(TClient& Client, std::string Packet) {
if (Packet.find("Zp") != std::string::npos && Packet.size() > 500) {
abort();
}
if (Packet.substr(0, 4) == "ABG:") {
Packet = DeComp(Packet.substr(4));
}
if (Packet.empty()) {
return;
}
std::any Res;
char Code = Packet.at(0);
//V to Z
if (Code <= 90 && Code >= 86) {
mPPSMonitor.IncrementInternalPPS();
SendToAll(&Client, Packet, false, false);
return;
}
switch (Code) {
case 'H': // initial connection
#ifdef DEBUG
debug(std::string("got 'H' packet: '") + Packet + "' (" + std::to_string(Packet.size()) + ")");
#endif
SyncClient(Client);
return;
case 'p':
Respond(Client, ("p"), false);
UpdatePlayers();
return;
case 'O':
if (Packet.length() > 1000) {
debug(("Received data from: ") + Client->GetName() + (" Size: ") + std::to_string(Packet.length()));
}
ParseVeh(Client, Packet);
return;
case 'J':
#ifdef DEBUG
debug(std::string(("got 'J' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
SendToAll(Client, Packet, false, true);
return;
case 'C':
#ifdef DEBUG
debug(std::string(("got 'C' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
if (Packet.length() < 4 || Packet.find(':', 3) == std::string::npos)
break;
Res = TriggerLuaEvent("onChatMessage", false, nullptr, std::make_unique<LuaArg>(LuaArg { { Client->GetID(), Client->GetName(), Packet.substr(Packet.find(':', 3) + 1) } }), true);
if (std::any_cast<int>(Res))
break;
SendToAll(nullptr, Packet, true, true);
return;
case 'E':
#ifdef DEBUG
debug(std::string(("got 'E' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
HandleEvent(Client, Packet);
return;
default:
return;
}
}
void TUDPServer::SendToAll(TClient* c, const std::string& Data, bool Self, bool Rel) {
if (!Self)
@ -151,9 +91,9 @@ void TUDPServer::SendToAll(TClient* c, const std::string& Data, bool Self, bool
if (Client->IsSynced()) {
if (Rel || C == 'W' || C == 'Y' || C == 'V' || C == 'E') {
if (C == 'O' || C == 'T' || Data.length() > 1000)
SendLarge(*Client, Data);
mTCPServer.SendLarge(*Client, Data);
else
TCPSend(*Client, Data);
mTCPServer.TCPSend(*Client, Data);
} else
UDPSend(*Client, Data);
}

View File

@ -1,20 +1,16 @@
#include "Client.h"
#include "Common.h"
#include "IThreaded.h"
#include "TConfig.h"
#include "TConsole.h"
#include "THeartbeatThread.h"
#include "TLuaEngine.h"
#include "TPPSMonitor.h"
#include "TResourceManager.h"
#include "TServer.h"
#include "TPPSMonitor.h"
#include "TUDPServer.h"
#include <atomic>
#include <functional>
#include <iostream>
#include <thread>
#ifdef __unix
#include <TTCPServer.h>
#include <csignal>
void UnixSignalHandler(int sig) {
@ -45,18 +41,20 @@ int main(int argc, char** argv) {
signal(SIGINT, UnixSignalHandler);
#endif // __unix
bool Shutdown = false;
Application::RegisterShutdownHandler([&Shutdown] { Shutdown = true; });
TServer Server(argc, argv);
[[maybe_unused]] TConfig Config("Server.cfg");
TResourceManager ResourceManager;
[[maybe_unused]] TPPSMonitor PPSMonitor(Server);
TPPSMonitor PPSMonitor(Server);
THeartbeatThread Heartbeat(ResourceManager, Server);
TTCPServer TCPServer(Server);
TUDPServer UDPServer(Server, PPSMonitor);
TLuaEngine LuaEngine(Server);
TTCPServer TCPServer(Server, PPSMonitor, ResourceManager);
TUDPServer UDPServer(Server, PPSMonitor, TCPServer);
TCPServer.SetUDPServer(UDPServer);
TLuaEngine LuaEngine(Server, TCPServer, UDPServer);
// TODO: replace
bool Shutdown = false;
Application::RegisterShutdownHandler([&Shutdown] { Shutdown = true; });
while (!Shutdown) {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}