Initial quantum compute and cleaning up win server.

plugins/CMakeLists.txt

@@ -1,4 +1,5 @@
 add_subdirectory(circuits)
+add_subdirectory(math)
 add_subdirectory(machine_learning)
 add_subdirectory(physics_simulation)
 add_subdirectory(quantum_computing)

plugins/math/CMakeLists.txt

@@ -0,0 +1,12 @@
+set(PLUGIN_NAME ntk_math)
+
+list(APPEND math_HEADERS ComplexNumber.h)
+
+list(APPEND math_LIB_INCLUDES ComplexNumber.cpp)
+   
+add_library(${PLUGIN_NAME} SHARED ${math_LIB_INCLUDES} ${math_HEADERS})
+
+target_include_directories(${PLUGIN_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_link_libraries(${PLUGIN_NAME} PUBLIC core)
+set_property(TARGET ${PLUGIN_NAME} PROPERTY FOLDER plugins)
+set_target_properties( ${PLUGIN_NAME} PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON )  

plugins/math/ComplexNumber.cpp

@@ -0,0 +1,28 @@
+#include "ComplexNumber.h"
+
+ComplexNumber::ComplexNumber(double real, double imaginary)
+	:	mReal(real),
+		mImaginary(imaginary)
+{
+
+}
+
+double ComplexNumber::getReal() const
+{
+	return mReal;
+}
+
+double ComplexNumber::getImaginary() const
+{
+	return mImaginary;
+}
+
+void ComplexNumber::setReal(double value)
+{
+	mReal = value;
+}
+
+void ComplexNumber::setImaginary(double value)
+{
+	mImaginary = value;
+}

plugins/math/ComplexNumber.h

@@ -0,0 +1,19 @@
+#pragma once
+
+class ComplexNumber
+{
+public:
+	ComplexNumber(double real = 0.0, double imaginary = 0.0);
+
+	double getReal() const;
+
+	double getImaginary() const;
+
+	void setReal(double value);
+
+	void setImaginary(double value);
+
+private:
+	double mReal{ 0.0 };
+	double mImaginary{ 0.0 };
+};

plugins/quantum_computing/CMakeLists.txt

@@ -1,15 +1,2 @@
-set(PLUGIN_NAME quantum_computing)
-
-list(APPEND client_HEADERS 
-    QuantumCircuit.h)
-
-list(APPEND client_LIB_INCLUDES 
-    QuantumCircuit.cpp)
-   
-add_library(${PLUGIN_NAME} SHARED ${client_LIB_INCLUDES})
-
-target_include_directories(${PLUGIN_NAME} PUBLIC
-    ${CMAKE_CURRENT_SOURCE_DIR}
-                              )
-target_link_libraries(${PLUGIN_NAME} PUBLIC core)
-set_property(TARGET ${PLUGIN_NAME} PROPERTY FOLDER plugins)
+add_subdirectory(src)
+add_subdirectory(test)

plugins/quantum_computing/src/BlochSphere.cpp

@@ -0,0 +1,12 @@
+#include "BlochSphere.h"
+
+BlochSphere::BlochSphere(const Qubit& state)
+	: mState(state)
+{
+
+}
+
+const Qubit& BlochSphere::getState() const
+{
+	return mState;
+}

plugins/quantum_computing/src/BlochSphere.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "Qubit.h"
+
+class BlochSphere
+{
+public:
+	BlochSphere(const Qubit& state);
+
+	const Qubit& getState() const;
+private:
+	Qubit mState;
+};

plugins/quantum_computing/src/CMakeLists.txt

@@ -0,0 +1,30 @@
+set(PLUGIN_NAME quantum_computing)
+
+list(APPEND quantum_computing_HEADERS 
+    QuantumCircuit.h
+    BlochSphere.h
+    QuantumState.h
+    Qubit.h
+    QuantumGate.h
+    QuantumOperator.h
+	visuals/BlochSphereNode.h
+)
+
+list(APPEND quantum_computing_LIB_INCLUDES 
+    QuantumCircuit.cpp
+    BlochSphere.cpp
+    QuantumState.cpp
+    Qubit.cpp
+    QuantumGate.cpp
+    QuantumOperator.cpp
+	visuals/BlochSphereNode.cpp
+)
+   
+add_library(${PLUGIN_NAME} SHARED ${quantum_computing_LIB_INCLUDES} ${quantum_computing_HEADERS})
+
+target_include_directories(${PLUGIN_NAME} PUBLIC 
+							${CMAKE_CURRENT_SOURCE_DIR}
+							${CMAKE_CURRENT_SOURCE_DIR}/visuals
+							)
+target_link_libraries(${PLUGIN_NAME} PUBLIC core visual_elements ntk_math)
+set_property(TARGET ${PLUGIN_NAME} PROPERTY FOLDER plugins)

plugins/quantum_computing/src/Qubit.cpp

@@ -0,0 +1,18 @@
+#include "Qubit.h"
+
+Qubit::Qubit(const ComplexNumber& alpha, const ComplexNumber& beta)
+	:	mAlpha(alpha),
+		mBeta(beta)
+{
+
+}
+
+const ComplexNumber& Qubit::getAlpha() const
+{
+	return mAlpha;
+}
+
+const ComplexNumber& Qubit::getBeta() const
+{
+	return mBeta;
+}

plugins/quantum_computing/src/Qubit.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "ComplexNumber.h"
+
+class Qubit
+{
+public:
+	Qubit(const ComplexNumber& alpha, const ComplexNumber& beta);
+
+	const ComplexNumber& getAlpha() const;
+
+	const ComplexNumber& getBeta() const;
+private:
+	ComplexNumber mAlpha;
+	ComplexNumber mBeta;
+};

plugins/quantum_computing/src/visuals/BlochSphereNode.cpp

@@ -0,0 +1,40 @@
+#include "BlochSphereNode.h"
+
+#include "CircleNode.h"
+
+BlochSphereNode::BlochSphereNode(const DiscretePoint& location)
+	: AbstractVisualNode(location, "BlochSphereNode")
+{
+
+}
+
+void BlochSphereNode::setContent(BlochSphere* content)
+{
+	mContent = content;
+	mContentDirty = true;
+}
+
+void BlochSphereNode::setSize(double size)
+{
+	if (size != mSize)
+	{
+		mSize = size;
+		mContentDirty = true;
+	}
+}
+
+void BlochSphereNode::update(FontsManager* fontsManager)
+{
+	if (!mContentDirty)
+	{
+		return;
+	}
+
+	mChildren.clear();
+
+	auto loc = DiscretePoint(mSize / 2.0, mSize / 2.0);
+	mOuterCircle = std::make_unique<CircleNode>(loc, mSize/2.0);
+
+	addChild(mOuterCircle.get());
+
+}

plugins/quantum_computing/src/visuals/BlochSphereNode.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "AbstractVisualNode.h"
+
+#include <memory>
+
+class BlochSphere;
+class CircleNode;
+class LineNode;
+
+class BlochSphereNode : public AbstractVisualNode
+{
+public:
+	BlochSphereNode(const DiscretePoint& location);
+
+	void setContent(BlochSphere* content);
+
+	void update(FontsManager* fontsManager) override;
+
+	void setSize(double size);
+private:
+	double mSize{ 1.0 };
+	bool mContentDirty{ true };
+	BlochSphere* mContent{ nullptr };
+
+	std::unique_ptr<CircleNode> mOuterCircle;
+	std::unique_ptr<CircleNode> mInnerCircle;
+	std::unique_ptr<CircleNode> mCentreCircle;
+	std::unique_ptr<CircleNode> mStateMarkerCircle;
+	std::unique_ptr<LineNode> mXAxis;
+	std::unique_ptr<LineNode> mYAxis;
+	std::unique_ptr<LineNode> mZAxis;
+	std::unique_ptr<LineNode> mStateVector;
+};

plugins/quantum_computing/test/CMakeLists.txt

@@ -0,0 +1,8 @@
+
+list(APPEND UNIT_TEST_FILES
+	TestBlochSphereNode.cpp
+)
+
+add_executable(quantum_computing_unit_tests ${CMAKE_SOURCE_DIR}/test/test_runner.cpp ${UNIT_TEST_FILES})
+target_link_libraries(quantum_computing_unit_tests PUBLIC test_utils quantum_computing)
+set_property(TARGET quantum_computing_unit_tests PROPERTY FOLDER plugins)

plugins/quantum_computing/test/TestBlochSphereNode.cpp

@@ -0,0 +1,35 @@
+#include "TestFramework.h"
+#include "TestUtils.h"
+
+#include "BlochSphereNode.h"
+#include "BlochSphere.h"
+#include "Scene.h"
+
+#include "SvgConverter.h"
+#include "SvgWriter.h"
+
+#include "File.h"
+
+TEST_CASE(TestBlochSphereNode, "quantum_computing")
+{
+	auto node = std::make_unique<BlochSphereNode>();
+
+	Qubit state({ 1.0, 0.0 }, { 0.0, 0.0 });
+
+	auto bloch_sphere = std::make_unique<BlochSphere>(state);
+	
+	node->setContent(bloch_sphere.get());
+
+	auto scene = std::make_unique<Scene>();
+	scene->addNode(node.get());
+	scene->update();
+
+	SvgConverter converter;
+	auto svg_document = converter.convert(scene.get());
+
+	SvgWriter writer;
+	auto svg_content = writer.toString(svg_document.get());
+
+	File svg_file(TestUtils::getTestOutputDir(__FILE__) / "bloch_sphere.svg");
+	svg_file.writeText(svg_content);
+}

src/core/AbstractWebApp.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "AbstractApp.h"
+
+class HttpRequest;
+class HttpResponse;
+
+class AbstractWebApp : public AbstractApp
+{
+public:
+	virtual HttpResponse onHttpRequest(const HttpRequest& request) = 0;
+};

src/core/CMakeLists.txt

@@ -2,6 +2,7 @@ set(MODULE_NAME core)
 
 list(APPEND core_HEADERS
     AbstractApp.h
+	AbstractWebApp.h
     Dictionary.h
     Event.h
     Color.h

src/core/http/HttpRequest.cpp

@@ -4,6 +4,23 @@
 
 #include <sstream>
 
+HttpRequest::HttpRequest(Verb verb, const std::string& path)
+    :   mVerb(verb),
+        mPath(path)
+{
+
+}
+
+HttpRequest::Verb HttpRequest::getVerb() const
+{
+    return mVerb;
+}
+
+std::string HttpRequest::getPath() const
+{
+    return mPath;
+}
+
 void HttpRequest::parseMessage(const std::string& message)
 {
     std::stringstream ss(message);

src/core/http/HttpRequest.h

@@ -7,13 +7,31 @@
 class HttpRequest
 {
 public:
+
+    enum class Verb
+    {
+        GET,
+        PUT,
+        POST,
+        PATCH,
+        _DELETE,
+        UNKNOWN
+    };
+
     HttpRequest() = default;
 
+    HttpRequest(Verb verb, const std::string& path);
+
+    Verb getVerb() const;
+
+    std::string getPath() const;
+
     void parseMessage(const std::string& message);
 
 private:
     void parseFirstLine(const std::string& line);
 
+    Verb mVerb = Verb::UNKNOWN;
     HttpHeader mHeader;
     std::string mMethod;
     std::string mPath;

src/core/http/HttpResponse.cpp

@@ -1,10 +1,11 @@
 #include "HttpResponse.h"
 
 HttpResponse::HttpResponse()
-    :mHttpVersion("1.1"),
-     mResponseCode("200 OK"),
-     mContentType("text/plain"),
-     mBody()
+    :   mHttpVersion("1.1"),
+        mStatusCode(200),
+        mResponseReason("OK"),
+        mContentType("text/plain"),
+        mBody()
 {
 
 }
@@ -14,25 +15,40 @@ HttpResponse::~HttpResponse()
 
 }
 
-void HttpResponse::SetBody(const std::string& body)
+unsigned short HttpResponse::getStatusCode() const
+{
+    return mStatusCode;
+}
+
+const std::string& HttpResponse::getBody() const
+{
+    return mBody;
+}
+
+void HttpResponse::setBody(const std::string& body)
 {
     mBody = body;
 }
 
-unsigned HttpResponse::GetBodyLength() const
+unsigned HttpResponse::getBodyLength() const
 {
     return unsigned(mBody.length());
 }
 
-std::string HttpResponse::GetHeaderString() const
+std::string HttpResponse::getHeaderString() const
 {
-    std::string header = "HTTP/" + mHttpVersion + " " + mResponseCode + "\n";
+    std::string header = "HTTP/" + mHttpVersion + " " + std::to_string(mStatusCode) + " " + mResponseReason + "\n";
     header += "Content-Type: " + mContentType + "\n";
-    header += "Content-Length: " + std::to_string(GetBodyLength()) + "\n";
+    header += "Content-Length: " + std::to_string(getBodyLength()) + "\n";
     return header;
 }
 
-std::string HttpResponse::ToString() const
+std::string HttpResponse::getResponseReason() const
 {
-    return GetHeaderString() + "\n\n" + mBody;
+    return mResponseReason;
+}
+
+std::string HttpResponse::toString() const
+{
+    return getHeaderString() + "\n\n" + mBody;
 }

src/core/http/HttpResponse.h

@@ -9,17 +9,25 @@ public:
 
     ~HttpResponse();
 
-    void SetBody(const std::string& body);
+    void setBody(const std::string& body);
 
-    unsigned GetBodyLength() const;
+    unsigned getBodyLength() const;
 
-    std::string GetHeaderString() const;
+    const std::string& getBody() const;
 
-    std::string ToString() const;
+    std::string getHeaderString() const;
+
+    std::string toString() const;
+
+    unsigned short getStatusCode() const;
+
+    std::string getResponseReason() const;
 
 private:
+    unsigned short mStatusCode{ 200 };
+    std::string mResponseReason{ };
+
     std::string mHttpVersion;
-    std::string mResponseCode;
     std::string mContentType;
     std::string mBody;
 };

src/geometry/CMakeLists.txt

@@ -11,6 +11,8 @@ list(APPEND geometry_LIB_INCLUDES
 		Linalg.cpp
         Line.cpp
         LineSegment.cpp
+		Matrix.h
+		Matrix.cpp
         Path.h
         Path.cpp
         Point.h
@@ -28,8 +30,7 @@ list(APPEND geometry_LIB_INCLUDES
 # add the library
 add_library(geometry SHARED ${geometry_LIB_INCLUDES})
 
-target_include_directories(geometry PUBLIC
-                            "${CMAKE_CURRENT_SOURCE_DIR}")
+target_include_directories(geometry PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set_target_properties( geometry PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON )                          
 set_property(TARGET geometry PROPERTY FOLDER src)

src/network/CMakeLists.txt

@@ -7,7 +7,16 @@ list(APPEND platform_INCLUDES
 else()
 list(APPEND platform_INCLUDES 
 	server/win32/Win32WebServer.h
-    server/win32/Win32WebServer.cpp)
+    server/win32/Win32WebServer.cpp
+	server/win32/Win32TempFile.h
+	server/win32/Win32TempFile.cpp
+	server/win32/Win32WebRequest.h
+	server/win32/Win32WebRequest.cpp
+	server/win32/Win32WebResponse.h
+	server/win32/Win32WebResponse.cpp
+	server/win32/Win32Buffer.h
+	server/win32/Win32Buffer.cpp
+	)
     list(APPEND platform_LIBS Httpapi.lib)
 endif()
 

src/network/server/win32/Win32Buffer.cpp

@@ -0,0 +1,63 @@
+#include "Win32Buffer.h"
+
+#include "FileLogger.h"
+
+#ifndef UNICODE
+#define UNICODE
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+Win32Buffer::Win32Buffer(unsigned size)
+{
+    createBuffer(size);
+}
+
+Win32Buffer::~Win32Buffer()
+{
+    clearBuffer();
+}
+
+PUCHAR Win32Buffer::getBufferAsUChar() const
+{
+    return reinterpret_cast<PUCHAR>(mBuffer);
+}
+
+void* Win32Buffer::getBuffer() const
+{
+    return mBuffer;
+}
+
+bool Win32Buffer::isValid() const
+{
+	return mIsValid;
+}
+
+void Win32Buffer::createBuffer(unsigned size)
+{
+    mIsValid = false;
+    mBuffer = ::HeapAlloc(::GetProcessHeap(), 0, size);
+    if (mBuffer == nullptr)
+    {
+        MLOG_ERROR("Insufficient resources");
+        return;
+    }
+    mIsValid = true;
+}
+
+void Win32Buffer::clearBuffer()
+{
+    if (mBuffer)
+    {
+        ::HeapFree(::GetProcessHeap(), 0, mBuffer);
+    }
+}
+
+void Win32Buffer::reset(unsigned size)
+{
+    clearBuffer();
+    createBuffer(size);
+}

src/network/server/win32/Win32Buffer.h

@@ -0,0 +1,24 @@
+#pragma once
+
+class Win32Buffer
+{
+public:
+	Win32Buffer(unsigned size);
+
+	~Win32Buffer();
+
+	void* getBuffer() const;
+
+	PUCHAR getBufferAsUChar() const;
+
+	bool isValid() const;
+
+	void reset(unsigned size);
+
+private:
+	void createBuffer(unsigned size);
+	void clearBuffer();
+
+	bool mIsValid{ false };
+	void* mBuffer{ nullptr };
+};

src/network/server/win32/Win32TempFile.cpp

@@ -0,0 +1,53 @@
+#include "Win32TempFile.h"
+
+#include "FileLogger.h"
+
+Win32TempFile::Win32TempFile()
+{
+    if (::GetTempFileName(L".", L"New", 0, &mName[0]) == 0)
+    {
+        auto result = ::GetLastError();
+        MLOG_ERROR("Failed to set up temp file for buffer with: " << result);
+        return;
+    }
+
+    mHandle = ::CreateFile(&mName[0], GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+    if (mHandle == INVALID_HANDLE_VALUE)
+    {
+        auto result = ::GetLastError();
+        MLOG_ERROR("Failed to create temp file for buffer with: " << result);
+        return;
+    }
+    mIsValid = true;
+    return;
+}
+
+Win32TempFile::~Win32TempFile()
+{
+    if (INVALID_HANDLE_VALUE != mHandle)
+    {
+        ::CloseHandle(mHandle);
+        ::DeleteFile(&mName[0]);
+    }
+}
+
+void Win32TempFile::write(PUCHAR buffer, ULONG size)
+{
+    if (!mIsValid)
+    {
+        return;
+    }
+
+    ULONG temp_file_bytes_written = 0;
+    ::WriteFile(mHandle, buffer, size, &temp_file_bytes_written, nullptr);
+}
+
+HANDLE Win32TempFile::getHandle() const
+{
+    return mHandle;
+}
+
+bool Win32TempFile::isValid() const
+{
+	return mIsValid;
+}

src/network/server/win32/Win32TempFile.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#ifndef UNICODE
+#define UNICODE
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#include <string>
+
+class Win32TempFile
+{
+public:
+	Win32TempFile();
+
+	~Win32TempFile();
+
+	bool isValid() const;
+
+	HANDLE getHandle() const;
+
+	void write(PUCHAR buffer, ULONG size);
+
+private:
+	bool mIsValid{ false };
+	std::wstring mName;
+	HANDLE mHandle{ 0 };
+};

src/network/server/win32/Win32WebRequest.cpp

@@ -0,0 +1,67 @@
+#include "Win32WebRequest.h"
+
+#include "StringUtils.h"
+#include "HttpRequest.h"
+
+Win32WebRequest::Win32WebRequest()
+	: mBuffer(DEFAULT_BUFFER_SIZE)
+{
+	mIsValid = mBuffer.isValid();
+	mHandle = reinterpret_cast<PHTTP_REQUEST>(mBuffer.getBuffer());
+}
+
+bool Win32WebRequest::isValid() const
+{
+	return mIsValid;
+}
+
+void Win32WebRequest::zeroBufferMemory()
+{
+	::RtlZeroMemory(mHandle, mWorkingBufferSize);
+}
+
+PHTTP_REQUEST Win32WebRequest::getHandle() const
+{
+	return mHandle;
+}
+
+unsigned Win32WebRequest::getBufferSize() const
+{
+	return mWorkingBufferSize;
+}
+
+void Win32WebRequest::resizeBuffer(unsigned size)
+{
+	mWorkingBufferSize = size;
+	mBuffer.reset(mWorkingBufferSize);
+	if (!mBuffer.isValid())
+	{
+		mIsValid = false;
+		return;
+	}
+	mHandle = reinterpret_cast<PHTTP_REQUEST>(mBuffer.getBuffer());
+}
+
+std::string Win32WebRequest::getUrlFromRequest() const
+{
+	const std::wstring wide_url = mHandle->CookedUrl.pFullUrl;
+	return StringUtils::convert(wide_url);
+}
+
+HttpRequest Win32WebRequest::getRequest() const
+{
+	HttpRequest::Verb verb;
+	switch (mHandle->Verb)
+	{
+	case HttpVerbGET:
+		verb = HttpRequest::Verb::GET;
+	case HttpVerbPOST:
+		verb = HttpRequest::Verb::POST;
+	default:
+		verb = HttpRequest::Verb::UNKNOWN;
+		break;
+	}
+
+	HttpRequest request(verb, getUrlFromRequest());
+	return request;
+}

src/network/server/win32/Win32WebRequest.h

@@ -0,0 +1,50 @@
+#pragma once
+#ifndef UNICODE
+#define UNICODE
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0600
+#endif
+#include <http.h>
+
+#include <string>
+
+#include "Win32Buffer.h"
+
+class HttpRequest;
+
+class Win32WebRequest
+{
+public:
+	Win32WebRequest();
+
+	bool isValid() const;
+
+	PHTTP_REQUEST getHandle() const;
+
+	unsigned getBufferSize() const;
+
+	void resizeBuffer(unsigned size);
+
+	void zeroBufferMemory();
+
+	HttpRequest getRequest() const;
+
+private:
+	std::string getUrlFromRequest() const;
+
+
+	static const unsigned DEFAULT_BUFFER_SIZE{ sizeof(HTTP_REQUEST) + 2048 };
+	Win32Buffer mBuffer;
+	bool mIsValid{ false };
+
+	unsigned mWorkingBufferSize{ DEFAULT_BUFFER_SIZE };
+	PHTTP_REQUEST mHandle{ nullptr };
+};
+

src/network/server/win32/Win32WebResponse.cpp

@@ -0,0 +1,34 @@
+#include "Win32WebResponse.h"
+
+#include "HttpResponse.h"
+
+Win32WebResponse::Win32WebResponse(const HttpResponse& response)
+{
+    RtlZeroMemory((&mResponse), sizeof(*(&mResponse)));
+    mResponse.StatusCode = response.getStatusCode();
+
+    std::string reason = response.getResponseReason();
+    mResponse.pReason = reason.c_str();
+    mResponse.ReasonLength = (USHORT)strlen(reason.c_str());
+
+    const std::string content_type = "text / html";
+    mResponse.Headers.KnownHeaders[HttpHeaderContentType].pRawValue = content_type.c_str();
+    mResponse.Headers.KnownHeaders[HttpHeaderContentType].RawValueLength = (USHORT)strlen(content_type.c_str());
+
+    auto body = response.getBody();
+    if (!body.empty())
+    {
+        HTTP_DATA_CHUNK dataChunk;
+        dataChunk.DataChunkType = HttpDataChunkFromMemory;
+        dataChunk.FromMemory.pBuffer = body.data();
+        dataChunk.FromMemory.BufferLength = (ULONG)strlen(body.data());
+
+        mResponse.EntityChunkCount = 1;
+        mResponse.pEntityChunks = &dataChunk;
+    }
+}
+
+HTTP_RESPONSE& Win32WebResponse::getResponse()
+{
+	return mResponse;
+}

src/network/server/win32/Win32WebResponse.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#ifndef UNICODE
+#define UNICODE
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0600
+#endif
+#include <http.h>
+
+#include <string>
+
+class HttpResponse;
+
+class Win32WebResponse
+{
+public:
+	Win32WebResponse(const HttpResponse& response);
+
+	HTTP_RESPONSE& getResponse();
+
+private:
+	HTTP_RESPONSE mResponse;
+};

src/network/server/win32/Win32WebServer.cpp

@@ -1,10 +1,19 @@
 #include "Win32WebServer.h"
 
+#include "Win32TempFile.h"
+#include "Win32Buffer.h"
+#include "Win32WebResponse.h"
+#include "Win32WebRequest.h"
+
+#include "AbstractWebApp.h"
+#include "HttpRequest.h"
+#include "HttpResponse.h"
 #include "FileLogger.h"
 #include "StringUtils.h"
 
-Win32WebServer::Win32WebServer()
-	: mListenUrl("http://localhost:80/49152")
+Win32WebServer::Win32WebServer(AbstractWebApp* webApp)
+	: mListenUrl("http://localhost:80/49152"),
+        mWebApp(webApp)
 {
 
 }
@@ -55,313 +64,45 @@ void Win32WebServer::initialize()
 	}
 }
 
-void Win32WebServer::onRequest(PHTTP_REQUEST request)
+DWORD Win32WebServer::onRequest(const Win32WebRequest& request)
 {
-    const std::wstring wide_url = request->CookedUrl.pFullUrl;
-    const auto url = StringUtils::convert(wide_url);
+    auto app_request = request.getRequest();
+    auto response = mWebApp->onHttpRequest(app_request);
 
-    switch (request->Verb)
+    DWORD result;
+    if (app_request.getVerb() == HttpRequest::Verb::POST)
     {
+        result = sendHttpPostResponse(request.getHandle());
+    }
+    else
+    {
+        result = sendHttpResponse(request.getHandle(), response);
+    }
+
+    /*
     case HttpVerbGET:
         MLOG_INFO("Got a GET request for: " << url);
-        auto result = sendHttpResponse(request, 200, "OK", "Hey! You hit the server \r\n");
+        result = sendHttpResponse(request, 200, "OK", "Hey! You hit the server \r\n");
         break;
     case HttpVerbPOST:
         MLOG_INFO("Got a POST request for: " << url);
         result = sendHttpPostResponse(request);
         break;
-
     default:
         MLOG_INFO("Got an unknown request for: " << url);
         result = sendHttpResponse(request, 503, "Not Implemented");
         break;
-    }
-}
-
-void Win32WebServer::initializeHttpResponse(HTTP_RESPONSE& response, USHORT StatusCode, const std::string& reason)
-{
-    RtlZeroMemory((&response), sizeof(*(&response)));
-    response.StatusCode = StatusCode;
-    response.pReason = reason.c_str();
-    response.ReasonLength = (USHORT)strlen(reason.c_str());
-}
-
-#define MAX_ULONG_STR ((ULONG) sizeof("4294967295"))
-
-DWORD Win32WebServer::sendHttpPostResponse(PHTTP_REQUEST pRequest)
-{
-    DWORD           result;
-    auto hTempFile = INVALID_HANDLE_VALUE;
-
-    // Allocate space for an entity buffer. Buffer can be increased on demand.
-    ULONG EntityBufferLength = 2048;
-    PUCHAR pEntityBuffer = reinterpret_cast<PUCHAR>(::HeapAlloc(::GetProcessHeap(), 0, (EntityBufferLength)));
-    if (pEntityBuffer == nullptr)
-    {
-        result = ERROR_NOT_ENOUGH_MEMORY;
-        MLOG_ERROR("Insufficient resources");
-        return result;
-    }
-
-    HTTP_RESPONSE response;
-    initializeHttpResponse(response, 200, "OK");
-
-    if (pRequest->Flags & HTTP_REQUEST_FLAG_MORE_ENTITY_BODY_EXISTS)
-    {
-        // The entity body is sent over multiple calls. Collect these in a file and send back. Create a temporary file.
-        TCHAR  szTempName[MAX_PATH + 1];
-        if (::GetTempFileName(L".", L"New", 0, szTempName) == 0)
-        {
-            result = ::GetLastError();
-            MLOG_ERROR("Failed to set up temp file for buffer with: " << result);
-            if (pEntityBuffer)
-            {
-                HeapFree(GetProcessHeap(), 0, (pEntityBuffer));
-            }
-            return result;
-        }
-
-        hTempFile = CreateFile(szTempName, GENERIC_READ | GENERIC_WRITE,
-            0,                  // Do not share.
-            NULL,               // No security descriptor.
-            CREATE_ALWAYS,      // Overrwrite existing.
-            FILE_ATTRIBUTE_NORMAL,    // Normal file.
-            NULL
-        );
-        if (hTempFile == INVALID_HANDLE_VALUE)
-        {
-            result = GetLastError();
-            MLOG_ERROR("Failed to create temp file for buffer with: " << result);
-            if (pEntityBuffer)
-            {
-                HeapFree(GetProcessHeap(), 0, (pEntityBuffer));
-            }
-            return result;
-        }
-
-        DWORD           bytesSent;
-        ULONG           TempFileBytesWritten;
-        CHAR            szContentLength[MAX_ULONG_STR];
-        HTTP_DATA_CHUNK dataChunk;
-
-        ULONG TotalBytesRead = 0;
-        ULONG BytesRead = 0;
-        do
-        {
-            // Read the entity chunk from the request.
-            BytesRead = 0;
-            result = ::HttpReceiveRequestEntityBody(mWorkingQueue, pRequest->RequestId, 0,
-                pEntityBuffer, EntityBufferLength, &BytesRead, NULL);
-
-            switch (result)
-            {
-            case NO_ERROR:
-                if (BytesRead != 0)
-                {
-                    TotalBytesRead += BytesRead;
-                    ::WriteFile(hTempFile, pEntityBuffer, BytesRead, &TempFileBytesWritten, NULL);
-                }
-                break;
-            case ERROR_HANDLE_EOF:
-
-                //
-                // The last request entity body has been read.
-                // Send back a response. 
-                //
-                // To illustrate entity sends via 
-                // HttpSendResponseEntityBody, the response will 
-                // be sent over multiple calls. To do this,
-                // pass the HTTP_SEND_RESPONSE_FLAG_MORE_DATA
-                // flag.
-
-                if (BytesRead != 0)
-                {
-                    TotalBytesRead += BytesRead;
-                    WriteFile(
-                        hTempFile,
-                        pEntityBuffer,
-                        BytesRead,
-                        &TempFileBytesWritten,
-                        NULL
-                    );
-                }
-
-                //
-                // Because the response is sent over multiple
-                // API calls, add a content-length.
-                //
-                // Alternatively, the response could have been
-                // sent using chunked transfer encoding, by  
-                // passimg "Transfer-Encoding: Chunked".
-                //
-
-                // NOTE: Because the TotalBytesread in a ULONG
-                //       are accumulated, this will not work
-                //       for entity bodies larger than 4 GB. 
-                //       For support of large entity bodies,
-                //       use a ULONGLONG.
-                // 
-
-
-                sprintf_s(szContentLength, MAX_ULONG_STR, "%lu", TotalBytesRead);
-
-                ADD_KNOWN_HEADER(
-                    response,
-                    HttpHeaderContentLength,
-                    szContentLength
-                );
-
-                result =
-                    HttpSendHttpResponse(
-                        hReqQueue,           // ReqQueueHandle
-                        pRequest->RequestId, // Request ID
-                        HTTP_SEND_RESPONSE_FLAG_MORE_DATA,
-                        &response,       // HTTP response
-                        NULL,            // pReserved1
-                        &bytesSent,      // bytes sent-optional
-                        NULL,            // pReserved2
-                        0,               // Reserved3
-                        NULL,            // LPOVERLAPPED
-                        NULL             // pReserved4
-                    );
-
-                if (result != NO_ERROR)
-                {
-                    wprintf(
-                        L"HttpSendHttpResponse failed with %lu \n",
-                        result
-                    );
-                    goto Done;
-                }
-
-                //
-                // Send entity body from a file handle.
-                //
-                dataChunk.DataChunkType =
-                    HttpDataChunkFromFileHandle;
-
-                dataChunk.FromFileHandle.
-                    ByteRange.StartingOffset.QuadPart = 0;
-
-                dataChunk.FromFileHandle.
-                    ByteRange.Length.QuadPart =
-                    HTTP_BYTE_RANGE_TO_EOF;
-
-                dataChunk.FromFileHandle.FileHandle = hTempFile;
-
-                result = HttpSendResponseEntityBody(
-                    hReqQueue,
-                    pRequest->RequestId,
-                    0,           // This is the last send.
-                    1,           // Entity Chunk Count.
-                    &dataChunk,
-                    NULL,
-                    NULL,
-                    0,
-                    NULL,
-                    NULL
-                );
-
-                if (result != NO_ERROR)
-                {
-                    wprintf(
-                        L"HttpSendResponseEntityBody failed %lu\n",
-                        result
-                    );
-                }
-
-                goto Done;
-
-                break;
-
-
-            default:
-                wprintf(
-                    L"HttpReceiveRequestEntityBody failed with %lu \n",
-                    result);
-                goto Done;
-            }
-
-        } while (TRUE);
-    }
-    else
-    {
-        // This request does not have an entity body.
-        //
-
-        result = HttpSendHttpResponse(
-            hReqQueue,           // ReqQueueHandle
-            pRequest->RequestId, // Request ID
-            0,
-            &response,           // HTTP response
-            NULL,                // pReserved1
-            &bytesSent,          // bytes sent (optional)
-            NULL,                // pReserved2
-            0,                   // Reserved3
-            NULL,                // LPOVERLAPPED
-            NULL                 // pReserved4
-        );
-        if (result != NO_ERROR)
-        {
-            wprintf(L"HttpSendHttpResponse failed with %lu \n",
-                result);
-        }
-    }
-
-Done:
-
-    if (pEntityBuffer)
-    {
-        FREE_MEM(pEntityBuffer);
-    }
-
-    if (INVALID_HANDLE_VALUE != hTempFile)
-    {
-        CloseHandle(hTempFile);
-        DeleteFile(szTempName);
-    }
+    */
 
     return result;
 }
 
-DWORD Win32WebServer::sendHttpResponse(PHTTP_REQUEST pRequest, USHORT StatusCode, const std::string& reason, const std::string& message)
+DWORD Win32WebServer::sendHttpResponse(PHTTP_REQUEST pRequest, const HttpResponse& appResponse)
 {
-    HTTP_RESPONSE response;
-    RtlZeroMemory((&response), sizeof(*(&response)));
-    response.StatusCode = StatusCode;
-    response.pReason = reason.c_str();                         
-    response.ReasonLength = (USHORT)strlen(reason.c_str());
-
-    const std::string content_type = "text / html";
-    response.Headers.KnownHeaders[HttpHeaderContentType].pRawValue = content_type.c_str();
-    response.Headers.KnownHeaders[HttpHeaderContentType].RawValueLength = (USHORT)strlen(content_type.c_str());
-
-    if (!message.empty())
-    {
-        auto entity_string = message;
-        HTTP_DATA_CHUNK dataChunk;
-        dataChunk.DataChunkType = HttpDataChunkFromMemory;
-        dataChunk.FromMemory.pBuffer = entity_string.data();
-        dataChunk.FromMemory.BufferLength = (ULONG)strlen(entity_string.data());
-
-        response.EntityChunkCount = 1;
-        response.pEntityChunks = &dataChunk;
-    }
+    Win32WebResponse response(appResponse);
 
     DWORD bytesSent;
-    DWORD result = ::HttpSendHttpResponse(
-        mWorkingQueue,           // ReqQueueHandle
-        pRequest->RequestId, // Request ID
-        0,                   // Flags
-        &response,           // HTTP response
-        NULL,                // pReserved1
-        &bytesSent,          // bytes sent  (OPTIONAL)
-        NULL,                // pReserved2  (must be NULL)
-        0,                   // Reserved3   (must be 0)
-        NULL,                // LPOVERLAPPED(OPTIONAL)
-        NULL                 // pReserved4  (must be NULL)
-    );
-
+    const auto result = ::HttpSendHttpResponse(mWorkingQueue, pRequest->RequestId, 0, &(response.getResponse()), NULL, &bytesSent, NULL, 0, NULL, NULL);
     if (result != NO_ERROR)
     {
         MLOG_ERROR("Http response failed with error: " << result);
@@ -369,136 +110,155 @@ DWORD Win32WebServer::sendHttpResponse(PHTTP_REQUEST pRequest, USHORT StatusCode
     return result;
 }
 
+#define MAX_ULONG_STR ((ULONG) sizeof("4294967295"))
+
+DWORD Win32WebServer::sendHttpPostResponse(PHTTP_REQUEST pRequest)
+{
+    // Allocate space for an entity buffer. Buffer can be increased on demand.
+    const ULONG entity_buffer_length = 2048;
+
+    Win32Buffer entity_buffer(entity_buffer_length);
+    if (!entity_buffer.isValid())
+    {
+        return ERROR_NOT_ENOUGH_MEMORY;
+    }
+
+    HTTP_RESPONSE response;
+    initializeHttpResponse(response, 200, "OK");
+
+    DWORD result{ 0 };
+    if (pRequest->Flags & HTTP_REQUEST_FLAG_MORE_ENTITY_BODY_EXISTS)
+    {
+        Win32TempFile temp_file;
+        if (!temp_file.isValid())
+        {
+            return 0;
+        }
+
+        ULONG total_bytes_read = 0;
+        ULONG bytes_read = 0;      
+        do
+        {
+            // Read the entity chunk from the request.
+            bytes_read = 0;
+            result = ::HttpReceiveRequestEntityBody(mWorkingQueue, pRequest->RequestId, 0, entity_buffer.getBuffer(), entity_buffer_length, &bytes_read, nullptr);
+
+            switch (result)
+            {
+            case NO_ERROR:
+                if (bytes_read != 0)
+                {
+                    total_bytes_read += bytes_read;
+                    temp_file.write(entity_buffer.getBufferAsUChar(), bytes_read);
+                }
+                break;
+            case ERROR_HANDLE_EOF:
+                // The last request entity body has been read. Send back a response. 
+                //
+                // To illustrate entity sends via HttpSendResponseEntityBody, the response will 
+                // be sent over multiple calls. To do this, pass the HTTP_SEND_RESPONSE_FLAG_MORE_DATA flag.
+
+                if (bytes_read != 0)
+                {
+                    total_bytes_read += bytes_read;
+                    temp_file.write(entity_buffer.getBufferAsUChar(), bytes_read);
+                }
+
+                // Because the response is sent over multiple API calls, add a content-length.
+                // Alternatively, the response could have been sent using chunked transfer encoding, by passimg "Transfer-Encoding: Chunked".
+                // NOTE: Because the TotalBytesread in a ULONG are accumulated, this will not work for entity bodies larger than 4 GB. 
+                // For support of large entity bodies, use a ULONGLONG.
+                CHAR szContentLength[MAX_ULONG_STR];
+                sprintf_s(szContentLength, MAX_ULONG_STR, "%lu", total_bytes_read);
+                response.Headers.KnownHeaders[HttpHeaderContentLength].pRawValue = szContentLength;
+                response.Headers.KnownHeaders[HttpHeaderContentLength].RawValueLength = (USHORT)strlen(szContentLength);
+
+                DWORD bytesSent;
+                result = ::HttpSendHttpResponse(mWorkingQueue, pRequest->RequestId, HTTP_SEND_RESPONSE_FLAG_MORE_DATA, &response, NULL, &bytesSent, NULL, 0, NULL, NULL);
+                if (result != NO_ERROR)
+                {
+                    MLOG_ERROR("HttpSendHttpResponse failed with: " << result);
+                    return;
+                }
+
+                // Send entity body from a file handle.
+                HTTP_DATA_CHUNK dataChunk;
+                dataChunk.DataChunkType = HttpDataChunkFromFileHandle;
+                dataChunk.FromFileHandle.ByteRange.StartingOffset.QuadPart = 0;
+                dataChunk.FromFileHandle.ByteRange.Length.QuadPart = HTTP_BYTE_RANGE_TO_EOF;
+                dataChunk.FromFileHandle.FileHandle = temp_file.getHandle();
+
+                result = ::HttpSendResponseEntityBody(mWorkingQueue, pRequest->RequestId, 0, 1, &dataChunk, NULL, NULL, 0, NULL, NULL);
+                if (result != NO_ERROR)
+                {
+                    MLOG_ERROR("HttpSendResponseEntityBody failed" << result);
+                }
+                break;
+            default:
+                MLOG_ERROR("HttpReceiveRequestEntityBody failed with: " << result);
+                break;
+            }
+
+        } while (true);
+    }
+    else
+    {
+        DWORD bytesSent;
+        result = ::HttpSendHttpResponse(mWorkingQueue, pRequest->RequestId, 0, &response, NULL, &bytesSent, NULL, 0, NULL, NULL );
+        if (result != NO_ERROR)
+        {
+            MLOG_ERROR("HttpSendHttpResponse failed with: " << result);
+        }
+    }
+    return result;
+}
+
 void Win32WebServer::run()
 {
-    // Allocate a 2 KB buffer. This size should work for most 
-    // requests. The buffer size can be increased if required. Space
-    // is also required for an HTTP_REQUEST structure.
-    ULONG RequestBufferLength = sizeof(HTTP_REQUEST) + 2048;
-    PCHAR pRequestBuffer = reinterpret_cast<PCHAR>(::HeapAlloc(::GetProcessHeap(), 0, (RequestBufferLength)));
-    if (pRequestBuffer == nullptr)
+    Win32WebRequest request;
+    if (!request.isValid())
     {
         MLOG_ERROR("Failed to allocate http request buffer");
         return;
     }
-    PHTTP_REQUEST pRequest = (PHTTP_REQUEST)pRequestBuffer;
 
-    // Wait for a new request. This is indicated by a NULL 
-    // request ID.
-    HTTP_REQUEST_ID    requestId;
-    HTTP_SET_NULL_ID(&requestId);
+    HTTP_REQUEST_ID request_id;
+    HTTP_SET_NULL_ID(&request_id);
     while(true)
     {
-        RtlZeroMemory(pRequest, RequestBufferLength);
-
-        DWORD              bytesRead;
-        ULONG result = ::HttpReceiveHttpRequest(
-            mWorkingQueue,          // Req Queue
-            requestId,          // Req ID
-            0,                  // Flags
-            pRequest,           // HTTP request buffer
-            RequestBufferLength,// req buffer length
-            &bytesRead,         // bytes received
-            nullptr                // LPOVERLAPPED
-        );
+        request.zeroBufferMemory();
 
+        DWORD bytes_read;
+        auto result = ::HttpReceiveHttpRequest(mWorkingQueue, request_id, 0, request.getHandle(), request.getBufferSize(), &bytes_read, nullptr);
         if (NO_ERROR == result)
         {
-            switch (pRequest->Verb)
-            {
-            case HttpVerbGET:
-                wprintf(L"Got a GET request for %ws \n",
-                    pRequest->CookedUrl.pFullUrl);
-
-                result = SendHttpResponse(
-                    hReqQueue,
-                    pRequest,
-                    200,
-                    "OK",
-                    "Hey! You hit the server \r\n"
-                );
-                break;
-
-            case HttpVerbPOST:
-
-                wprintf(L"Got a POST request for %ws \n",
-                    pRequest->CookedUrl.pFullUrl);
-
-                result = SendHttpPostResponse(hReqQueue, pRequest);
-                break;
-
-            default:
-                wprintf(L"Got a unknown request for %ws \n",
-                    pRequest->CookedUrl.pFullUrl);
-
-                result = SendHttpResponse(
-                    hReqQueue,
-                    pRequest,
-                    503,
-                    "Not Implemented",
-                    NULL
-                );
-                break;
-            }
-
+            result = onRequest(request);
             if (result != NO_ERROR)
             {
                 break;
             }
-
-            //
-            // Reset the Request ID to handle the next request.
-            //
-            HTTP_SET_NULL_ID(&requestId);
+            HTTP_SET_NULL_ID(&request_id);
         }
         else if (result == ERROR_MORE_DATA)
         {
-            //
-            // The input buffer was too small to hold the request
-            // headers. Increase the buffer size and call the 
-            // API again. 
-            //
-            // When calling the API again, handle the request
-            // that failed by passing a RequestID.
-            //
-            // This RequestID is read from the old buffer.
-            //
-            requestId = pRequest->RequestId;
+            // The input buffer was too small to hold the request headers. Increase the buffer size and call the API again. 
+            request_id = request.getHandle()->RequestId;
 
-            //
-            // Free the old buffer and allocate a new buffer.
-            //
-            RequestBufferLength = bytesRead;
-            FREE_MEM(pRequestBuffer);
-            pRequestBuffer = (PCHAR)ALLOC_MEM(RequestBufferLength);
-
-            if (pRequestBuffer == NULL)
+            request.resizeBuffer(bytes_read);
+            if (!request.isValid())
             {
                 result = ERROR_NOT_ENOUGH_MEMORY;
                 break;
             }
-
-            pRequest = (PHTTP_REQUEST)pRequestBuffer;
-
         }
-        else if (ERROR_CONNECTION_INVALID == result &&
-            !HTTP_IS_NULL_ID(&requestId))
+        else if (ERROR_CONNECTION_INVALID == result && !HTTP_IS_NULL_ID(&request_id))
         {
-            // The TCP connection was corrupted by the peer when
-            // attempting to handle a request with more buffer. 
-            // Continue to the next request.
-
-            HTTP_SET_NULL_ID(&requestId);
+            // The TCP connection was corrupted by the peer when attempting to handle a request with more buffer. Continue to the next request.
+            HTTP_SET_NULL_ID(&request_id);
         }
         else
         {
             break;
         }
-
-    }
-
-    if (pRequestBuffer)
-    {
-        FREE_MEM(pRequestBuffer);
     }
 }

src/network/server/win32/Win32WebServer.h

@@ -16,26 +16,31 @@
 
 #include <string>
 
+class AbstractWebApp;
+class Win32WebRequest;
+
+class HttpResponse;
+
 class Win32WebServer
 {
 public:
-	Win32WebServer();
+	Win32WebServer(AbstractWebApp* webApp);
 
 	~Win32WebServer();
 
-	void initialize();
-
 	void clear();
 
+	void initialize();
+
 	void run();
 
 private:
-	void onRequest(PHTTP_REQUEST request);
+	DWORD onRequest(const Win32WebRequest& request);
 
-	DWORD sendHttpResponse(PHTTP_REQUEST pRequest, USHORT StatusCode, const std::string& reason, const std::string& message = {});
+	DWORD sendHttpResponse(PHTTP_REQUEST pRequest, const HttpResponse& response);
 	DWORD sendHttpPostResponse(PHTTP_REQUEST pRequest);
 
-	void initializeHttpResponse(HTTP_RESPONSE& response, USHORT StatusCode, const std::string& reason);
+	AbstractWebApp* mWebApp{ nullptr };
 
 	HANDLE mWorkingQueue{ 0 };
 	std::string mListenUrl;

src/visual_elements/AbstractVisualNode.cpp

@@ -44,7 +44,6 @@ const std::vector<AbstractVisualNode*>& AbstractVisualNode::getChildren() const
 
 void AbstractVisualNode::setIsVisible(bool isVisible)
 {
-    //std::cout << "Setting " << mName << " visibility to " << isVisible << std::endl;
     mIsVisible = isVisible;
 }
 

src/visual_elements/CMakeLists.txt

@@ -2,8 +2,11 @@ set(MODULE_NAME visual_elements)
 
 list(APPEND visual_elements_LIB_INCLUDES
     GeometryNode.cpp
+    basic_shapes/RectangleNode.h
     basic_shapes/RectangleNode.cpp
+    basic_shapes/CircleNode.h
     basic_shapes/CircleNode.cpp
+    basic_shapes/LineNode.h
     basic_shapes/LineNode.cpp
     MaterialNode.cpp
     MeshNode.cpp
@@ -14,6 +17,7 @@ list(APPEND visual_elements_LIB_INCLUDES
     SceneText.cpp
     Texture.cpp
     GridNode.cpp
+    AbstractVisualNode.h
     AbstractVisualNode.cpp
     
 )