/// <summary>
/// Creates the specified service.
/// </summary>
/// <param name="ServiceName">Name of the service.</param>
/// <param name="DisplayName">The display name.</param>
/// <param name="ServiceAccess">The service access.</param>
/// <param name="ServiceType">Type of the service.</param>
/// <param name="ServiceStart">The service start.</param>
/// <param name="ServiceError">The service error.</param>
/// <param name="File">The file.</param>
internal static IntPtr Create(string ServiceName, string DisplayName, ServiceAccess ServiceAccess, ServiceType ServiceType, ServiceStart ServiceStart, ServiceError ServiceError, FileInfo File)
{
IntPtr ServiceManager = WinApi.OpenSCManager(null, null, (uint)ScmAccess.ScManagerAllAccess);
if (ServiceManager == IntPtr.Zero)
{
return(IntPtr.Zero);
}
IntPtr Service = WinApi.CreateService(
ServiceManager,
ServiceName,
DisplayName,
(uint)ServiceAccess,
(uint)ServiceType,
(uint)ServiceStart,
(uint)ServiceError,
File.FullName,
null, null, null, null, null
);
WinApi.CloseServiceHandle(ServiceManager);
if (Service == IntPtr.Zero)
{
return(IntPtr.Zero);
}
return(Service);
}
private void InstallUsbAgentService()
{
string binDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string srcFile = Path.Combine(binDir, Constants.UsbAgentFilename);
try
{
File.Copy(srcFile, UsbAgentServiceInstallPath, true);
}
catch (Exception e)
{
throw new Error("Failed to install USB agent driver: {0}", e.Message);
}
IntPtr manager = WinApi.OpenSCManager(null, null, WinApi.SC_MANAGER_ALL_ACCESS);
if (manager == IntPtr.Zero)
{
throw new Error("OpenSCManager failed");
}
IntPtr service = IntPtr.Zero;
try
{
service = WinApi.OpenService(manager, Constants.UsbAgentName, WinApi.SERVICE_ALL_ACCESS);
if (service == IntPtr.Zero && Marshal.GetLastWin32Error() == WinApi.ERROR_SERVICE_DOES_NOT_EXIST)
{
service = WinApi.CreateService(manager, Constants.UsbAgentName, Constants.UsbAgentDescription, WinApi.SERVICE_ALL_ACCESS, WinApi.SERVICE_KERNEL_DRIVER, WinApi.SERVICE_DEMAND_START, WinApi.SERVICE_ERROR_NORMAL, Constants.UsbAgentPath, null, 0, null, null, null);
if (service == IntPtr.Zero)
{
throw new Error("CreateService failed");
}
}
if (!WinApi.StartService(service, 0, null))
{
int lastError = Marshal.GetLastWin32Error();
if (lastError != WinApi.ERROR_SERVICE_ALREADY_RUNNING && lastError != WinApi.ERROR_SERVICE_DISABLED)
{
throw new Error("Failed to start service: 0x{0:x8}", lastError);
}
}
}
finally
{
if (service != IntPtr.Zero)
{
WinApi.CloseServiceHandle(service);
}
WinApi.CloseServiceHandle(manager);
}
}
private void WaitForUsbAgentServiceToStop()
{
IntPtr manager = WinApi.OpenSCManager(null, null, WinApi.SC_MANAGER_ALL_ACCESS);
if (manager == IntPtr.Zero)
{
throw new Error("OpenSCManager failed");
}
IntPtr service = IntPtr.Zero;
try
{
service = WinApi.OpenService(manager, Constants.UsbAgentName, WinApi.SERVICE_ALL_ACCESS);
if (service == IntPtr.Zero)
{
throw new Error("OpenService failed");
}
WinApi.SERVICE_STATUS status = new WinApi.SERVICE_STATUS();
progress.ProgressUpdate("Unplug any USB device being monitored now", 100);
bool stopped = false;
while (!stopped)
{
if (!WinApi.QueryServiceStatus(service, ref status))
{
throw new Error("Failed to query for service status: 0x{0:x8}", Marshal.GetLastWin32Error());
}
stopped = status.dwCurrentState == WinApi.SERVICE_STOPPED;
if (!stopped)
{
Thread.Sleep(250);
}
}
}
finally
{
if (service != IntPtr.Zero)
{
WinApi.CloseServiceHandle(service);
}
WinApi.CloseServiceHandle(manager);
}
}
private void RemoveUsbAgentService()
{
IntPtr manager = WinApi.OpenSCManager(null, null, WinApi.SC_MANAGER_ALL_ACCESS);
if (manager == IntPtr.Zero)
{
throw new Error("OpenSCManager failed");
}
IntPtr service = IntPtr.Zero;
try
{
service = WinApi.OpenService(manager, Constants.UsbAgentName, WinApi.SERVICE_ALL_ACCESS);
if (service != IntPtr.Zero)
{
if (!WinApi.DeleteService(service))
{
throw new Error("DeleteService failed: 0x{0:x8}", Marshal.GetLastWin32Error());
}
}
else
{
if (Marshal.GetLastWin32Error() != WinApi.ERROR_SERVICE_DOES_NOT_EXIST)
{
throw new Error("OpenService failed");
}
}
}
finally
{
if (service != IntPtr.Zero)
{
WinApi.CloseServiceHandle(service);
}
WinApi.CloseServiceHandle(manager);
}
if (File.Exists(UsbAgentServiceInstallPath))
{
File.Delete(UsbAgentServiceInstallPath);
}
}
/// <summary>
/// Closes the specified service handle.
/// </summary>
/// <param name="Handle">The handle.</param>
internal static bool Close(IntPtr Handle)
{
return(WinApi.CloseServiceHandle(Handle));
}