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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zenhttp/httpserver.h>
#ifndef ZEN_WITH_HTTPSYS
# if ZEN_PLATFORM_WINDOWS
# define ZEN_WITH_HTTPSYS 1
# else
# define ZEN_WITH_HTTPSYS 0
# endif
#endif
#if ZEN_WITH_HTTPSYS
# define _WINSOCKAPI_
# include <zencore/windows.h>
# include <zencore/workthreadpool.h>
# include "iothreadpool.h"
# include <http.h>
namespace spdlog {
class logger;
}
namespace zen {
/**
* @brief Windows implementation of HTTP server based on http.sys
*
* This requires elevation to function
*/
class HttpSysServer : public HttpServer
{
friend class HttpSysTransaction;
public:
struct Config
{
unsigned int ThreadCount = 0;
unsigned int AsyncWorkThreadCount = 0;
bool IsAsyncResponseEnabled = true;
bool IsRequestLoggingEnabled = false;
};
explicit HttpSysServer(const Config& Config);
~HttpSysServer();
// HttpServer interface implementation
virtual int Initialize(int BasePort) override;
virtual void Run(bool TestMode) override;
virtual void RequestExit() override;
virtual void RegisterService(HttpService& Service) override;
virtual void Close() override;
WorkerThreadPool& WorkPool();
inline bool IsOk() const { return m_IsOk; }
inline bool IsAsyncResponseEnabled() const { return m_IsAsyncResponseEnabled; }
private:
int InitializeServer(int BasePort);
void Cleanup();
void StartServer();
void OnHandlingNewRequest();
void IssueNewRequestMaybe();
void RegisterService(const char* Endpoint, HttpService& Service);
void UnregisterService(const char* Endpoint, HttpService& Service);
private:
spdlog::logger& m_Log;
spdlog::logger& m_RequestLog;
spdlog::logger& Log() { return m_Log; }
bool m_IsOk = false;
bool m_IsHttpInitialized = false;
bool m_IsRequestLoggingEnabled = false;
bool m_IsAsyncResponseEnabled = true;
WinIoThreadPool m_ThreadPool;
RwLock m_AsyncWorkPoolInitLock;
WorkerThreadPool* m_AsyncWorkPool = nullptr;
std::vector<std::wstring> m_BaseUris; // eg: http://*:nnnn/
HTTP_SERVER_SESSION_ID m_HttpSessionId = 0;
HTTP_URL_GROUP_ID m_HttpUrlGroupId = 0;
HANDLE m_RequestQueueHandle = 0;
std::atomic_int32_t m_PendingRequests{0};
std::atomic_int32_t m_IsShuttingDown{0};
int32_t m_MinPendingRequests = 16;
int32_t m_MaxPendingRequests = 128;
Event m_ShutdownEvent;
const Config m_InitialConfig;
};
} // namespace zen
#endif
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