C++之Windows监听USB热插拔事件关键词：C++、Windows、USB热插拔事件、RegisterDeviceNotification()
#include <Windows.h>
#include <tchar.h>
#include <Dbt.h>
#include <tupapi.h>
#include <iostream>
#include <atlstr.h> // CString
using namespace std;
#pragma comment (lib, "Kernel32.lib")
#pragma comment (lib, "Ur32.lib")
#define THRD_MESSAGE_EXIT WM_USER + 1
const _TCHAR CLASS_NAME[] = _T("Sample Window Class");
HWND hWnd;
static const GUID GUID_DEVINTERFACE_LIST[] =
{
// GUID_DEVINTERFACE_USB_DEVICE
{ 0xA5DCBF10, 0x6530, 0x11D2, { 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED } },
// GUID_DEVINTERFACE_DISK
{ 0x53f56307, 0xb6bf, 0x11d0, { 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b } },
// GUID_DEVINTERFACE_HID,
{ 0x4D1E55B2, 0xF16F, 0x11CF, { 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 } },
// GUID_NDIS_LAN_CLASS
{ 0xad498944, 0x762f, 0x11d0, { 0x8d, 0xcb, 0x00, 0xc0, 0x4f, 0xc3, 0x35, 0x8c } }
GUID_DEVINTERFACE_COMPORT
//{ 0x86e0d1e0, 0x8089, 0x11d0, { 0x9c, 0xe4, 0x08, 0x00, 0x3e, 0x30, 0x1f, 0x73 } },
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GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR
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//{ 0x4D36E978, 0xE325, 0x11CE, { 0xBF, 0xC1, 0x08, 0x00, 0x2B, 0xE1, 0x03, 0x18 } },
GUID_DEVINTERFACE_PARALLEL
//{ 0x97F76EF0, 0xF883, 0x11D0, { 0xAF, 0x1F, 0x00, 0x00, 0xF8, 0x00, 0x84, 0x5C } },
GUID_DEVINTERFACE_PARCLASS
//{ 0x811FC6A5, 0xF728, 0x11D0, { 0xA5, 0x37, 0x00, 0x00, 0xF8, 0x75, 0x3E, 0xD1 } }
};
void UpdateDevice(PDEV_BROADCAST_DEVICEINTERFACE pDevInf, WPARAM wParam)
{
CString szDevId = pDevInf->dbcc_name + 4;
int idx = szDevId.ReverFind(_T('#'));
szDevId.Truncate(idx);
szDevId.Replace(_T('#'), _T('\\'));
szDevId.MakeUpper();
CString szClass;
idx = szDevId.Find(_T('\\'));
szClass = szDevId.Left(idx);
CString szTmp;
if (DBT_DEVICEARRIVAL == wParam) \
szTmp.Format(_T("Adding %s\r\n"), szDevId.GetBuffer());
el
szTmp.Format(_T("Removing %s\r\n"), szDevId.GetBuffer());
_tprintf(szTmp);
}
LRESULT DeviceChange(UINT message, WPARAM wParam, LPARAM lParam)
{
if (DBT_DEVICEARRIVAL == wParam || DBT_DEVICEREMOVECOMPLETE == wParam)
if (DBT_DEVICEARRIVAL == wParam || DBT_DEVICEREMOVECOMPLETE == wParam)
{
PDEV_BROADCAST_HDR pHdr = (PDEV_BROADCAST_HDR)lParam;
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PDEV_BROADCAST_DEVICEINTERFACE pDevInf;
PDEV_BROADCAST_HANDLE pDevHnd;
PDEV_BROADCAST_OEM pDevOem;
PDEV_BROADCAST_PORT pDevPort;
PDEV_BROADCAST_VOLUME pDevVolume;
switch (pHdr->dbch_devicetype)
{
ca DBT_DEVTYP_DEVICEINTERFACE:
pDevInf = (PDEV_BROADCAST_DEVICEINTERFACE)pHdr;
UpdateDevice(pDevInf, wParam);
break;
ca DBT_DEVTYP_HANDLE:
pDevHnd = (PDEV_BROADCAST_HANDLE)pHdr;
break;
ca DBT_DEVTYP_OEM:
pDevOem = (PDEV_BROADCAST_OEM)pHdr;
break;
ca DBT_DEVTYP_PORT:
pDevPort = (PDEV_BROADCAST_PORT)pHdr;
break;
ca DBT_DEVTYP_VOLUME:
胡盼盼pDevVolume = (PDEV_BROADCAST_VOLUME)pHdr;
break;
}
}
return 0;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
switch (message)
{
ca WM_PAINT:
break;
ca WM_SIZE:
break;
ca WM_DEVICECHANGE:
return DeviceChange(message, wParam, lParam);
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return DefWindowProc(hWnd, message, wParam, lParam);
}
ATOM MyRegisterClass()
{
WNDCLASS wc = { 0 };
wc.lpfnWndProc = WndProc;
wc.hInstance = GetModuleHandle(NULL);
wc.lpszClassName = CLASS_NAME;
return RegisterClass(&wc);
}
bool CreateMessageOnlyWindow()
{
hWnd = CreateWindowEx(0, CLASS_NAME, _T(""), WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
NULL, // Parent window
NULL, // Menu
GetModuleHandle(NULL), // Instance handle
NULL // Additional application data
)
;
return hWnd != NULL;
}
void RegisterDeviceNotify()
{
HDEVNOTIFY hDevNotify;
for (int i = 0; i < sizeof(GUID_DEVINTERFACE_LIST) / sizeof(GUID); i++)
{
DEV_BROADCAST_DEVICEINTERFACE NotificationFilter;
ZeroMemory(&NotificationFilter, sizeof(NotificationFilter));
NotificationFilter.dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE);
NotificationFilter.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
NotificationFilter.dbcc_classguid = GUID_DEVINTERFACE_LIST[i];
hDevNotify = RegisterDeviceNotification(hWnd, &NotificationFilter, DEVICE_NOTIFY_WINDOW_HANDLE); }
}
DWORD WINAPI ThrdFunc(LPVOID lpParam)
{
if (0 == MyRegisterClass())
return -1;
if (!CreateMessageOnlyWindow())
return -1;
RegisterDeviceNotify();
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
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{
复工隔离if (ssage == THRD_MESSAGE_EXIT)
{
cout << "worker receive the " << endl;
return 0;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
int main(int argc, char** argv)
{
DWORD iThread;
HANDLE hThread = CreateThread(NULL, 0, ThrdFunc, NULL, 0, &iThread);
if (hThread == NULL) {
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return -1;
}
char chQtNum;
do
{
cout << "enter Q/q for quit: " << endl;
cin >> chQtNum;
} while (chQtNum != 'Q' && chQtNum != 'q');
PostThreadMessage(iThread, THRD_MESSAGE_EXIT, 0, 0);
WaitForSingleObject(hThread, INFINITE);
CloHandle(hThread); return 0;
}
