1 files changed, 75 insertions, 0 deletions
diff --git a/zenhttp/httpsys.h b/zenhttp/httpsys.h
new file mode 100644
index 000000000..6616817ec
--- /dev/null
+++ b/zenhttp/httpsys.h
@@ -0,0 +1,75 @@
+// 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 "iothreadpool.h"
+
+#	include <atlbase.h>
+#	include <http.h>
+
+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:
+	explicit HttpSysServer(unsigned int ThreadCount);
+	~HttpSysServer();
+
+	// HttpServer interface implementation
+
+	virtual void Initialize(int BasePort) override;
+	virtual void Run(bool TestMode) override;
+	virtual void RequestExit() override;
+	virtual void RegisterService(HttpService& Service) override;
+
+private:
+	void Initialize(const wchar_t* UrlPath);
+	void Cleanup();
+
+	void StartServer();
+	void OnHandlingRequest();
+	void IssueNewRequestMaybe();
+
+	inline bool IsOk() const { return m_IsOk; }
+
+	void RegisterService(const char* Endpoint, HttpService& Service);
+	void UnregisterService(const char* Endpoint, HttpService& Service);
+
+private:
+	bool			m_IsOk				= false;
+	bool			m_IsHttpInitialized = false;
+	WinIoThreadPool m_ThreadPool;
+
+	std::wstring		   m_BaseUri;  // 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;
+};
+
+}  // namespace zen
+#endif