/// <summary>
/// Suspend standby by SetThreadExecutionSTate because of a given CheckSuspendResult.
/// </summary>
/// <param name="result">The result why the standby should be suspended.</param>
private void SuspendStandbyThreadExecutionState(CheckSuspendResult result)
{
try
{
lock (lockObj)
{
var success = NativeMethods.SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED);
if (success == 0)
{
this.standbySuspended = false;
var ex = Win32ExceptionManager.GetWin32Exception();
throw new WsapmException(Resources.Wsapm_Core.StandbyManager_SuspendStandbyFailed, ex);
}
else
{
this.standbySuspended = true;
if (!String.IsNullOrEmpty(result.Reason))
{
WsapmLog.Log.WriteLine(String.Format(Resources.Wsapm_Core.StandbyManager_StandbySuspendedWithReason, result.Reason), LogMode.Normal);
}
else
{
WsapmLog.Log.WriteLine(Resources.Wsapm_Core.StandbyManager_StandbySuspendedWithoutReason, LogMode.Verbose);
}
}
}
}
catch (Exception ex)
{
WsapmLog.Log.WriteError(ex);
}
}
/// <summary>
/// Enable standby using ThreadExecutionState.
/// </summary>
private void EnableStandbyThreadExecutionState()
{
try
{
lock (lockObj)
{
bool standbyWasSuspended = this.standbySuspended;
var success = NativeMethods.SetThreadExecutionState(ES_CONTINUOUS);
if (success == 0)
{
var ex = Win32ExceptionManager.GetWin32Exception();
throw new WsapmException(Resources.Wsapm_Core.StandbyManager_StandbyEnableFailed, ex);
}
// Standby successfully enabled.
this.standbySuspended = false;
if (standbyWasSuspended)
{
WsapmLog.Log.WriteLine(Resources.Wsapm_Core.StandbyManager_StandbyEnabled, LogMode.Normal); // Only write log if standby was suspended before.
}
}
}
catch (Exception ex)
{
WsapmLog.Log.WriteError(ex);
}
}
/// <summary>
/// Suspend standby by PowerAvailabilityRequest because of a given CheckSuspendResult.
/// </summary>
/// <param name="result">The result why the standby should be suspended.</param>
private void SuspendStandbyPowerAvailabilityRequest(CheckSuspendResult result)
{
try
{
lock (lockObj)
{
// Clear current power request if there is any.
if (this.currentPowerRequest != IntPtr.Zero)
{
NativeMethods.PowerClearRequest(this.currentPowerRequest, PowerRequestType.PowerRequestSystemRequired);
this.currentPowerRequest = IntPtr.Zero;
this.standbySuspended = false;
}
POWER_REQUEST_CONTEXT pContext;
pContext.Flags = POWER_REQUEST_CONTEXT_SIMPLE_STRING;
pContext.Version = POWER_REQUEST_CONTEXT_VERSION;
pContext.SimpleReasonString = Resources.Wsapm_Core.StandbyManager_StandbySuspended;
this.currentPowerRequest = NativeMethods.PowerCreateRequest(ref pContext);
if (this.currentPowerRequest == IntPtr.Zero)
{
this.standbySuspended = false;
var ex = Win32ExceptionManager.GetWin32Exception();
throw new WsapmException(Resources.Wsapm_Core.StandbyManager_CreatePowerRequestFail, ex);
}
bool success = NativeMethods.PowerSetRequest(this.currentPowerRequest, PowerRequestType.PowerRequestSystemRequired);
if (!success)
{
this.standbySuspended = false;
this.currentPowerRequest = IntPtr.Zero;
var ex = Win32ExceptionManager.GetWin32Exception();
throw new WsapmException(Resources.Wsapm_Core.StandbyManager_SuspendStandbyFailed, ex);
}
else
{
this.standbySuspended = true;
if (!String.IsNullOrEmpty(result.Reason))
{
WsapmLog.Log.WriteLine(String.Format(Resources.Wsapm_Core.StandbyManager_StandbySuspendedWithReason, result.Reason), LogMode.Normal);
}
else
{
WsapmLog.Log.WriteLine(Resources.Wsapm_Core.StandbyManager_StandbySuspendedWithoutReason, LogMode.Verbose);
}
}
}
}
catch (Exception ex)
{
WsapmLog.Log.WriteError(ex);
}
}
/// <summary>
/// Gets a value indicating of wake timers are allowed.
/// </summary>
/// <returns>True, if wake timers are allowed, otherwise false.</returns>
public static bool GetWakeTimersAllowed()
{
if (OsVersionTools.IsWindowsVistaOrLater())
{
bool wakeTimersAllowed = false;
IntPtr activeGuidPtr = IntPtr.Zero;
if (NativeMethods.PowerGetActiveScheme(IntPtr.Zero, ref activeGuidPtr) != 0)
{
var ex = Win32ExceptionManager.GetWin32Exception();
throw ex;
}
Guid activeSchemeGuid = (Guid)Marshal.PtrToStructure(activeGuidPtr, typeof(Guid));
uint bufferSize = 1024;
IntPtr valuePtr = Marshal.AllocHGlobal((int)bufferSize);
IntPtr type = IntPtr.Zero;
try
{
var success = NativeMethods.PowerReadACValue(IntPtr.Zero, ref activeSchemeGuid, ref SleepCategoryGuid, ref WakeTimersGuid, type, valuePtr, ref bufferSize);
if (success == 0)
{
byte[] bArr = new byte[bufferSize];
Marshal.Copy(valuePtr, bArr, 0, (int)bufferSize);
wakeTimersAllowed = BitConverter.ToBoolean(bArr, 0);
}
else
{
wakeTimersAllowed = false;
}
}
catch (Exception)
{
var ex = Win32ExceptionManager.GetWin32Exception();
throw ex;
}
finally
{
Marshal.FreeHGlobal(valuePtr);
}
return(wakeTimersAllowed);
}
else
{
return(true);
}
}
/// <summary>
/// Gets the current power policy.
/// </summary>
/// <returns>A PowerPolicies struct representing the current power policy.</returns>
public static PowerPolicies GetCurrentPowerPolicy()
{
GLOBAL_POWER_POLICY globalPowerPolicy = new GLOBAL_POWER_POLICY();
POWER_POLICY powerPolicy = new POWER_POLICY();
if (!NativeMethods.GetCurrentPowerPolicies(out globalPowerPolicy, out powerPolicy))
{
var ex = Win32ExceptionManager.GetWin32Exception();
throw ex;
}
PowerPolicies ppRet = new PowerPolicies();
ppRet.GlobalPowerPolicy = globalPowerPolicy;
ppRet.PowerPolicy = powerPolicy;
return(ppRet);
}
private static FILE_INFO_3[] GetResourcesOpenedInNetworkShareFileInfo3()
{
IList <FILE_INFO_3> openedResources = new List <FILE_INFO_3>();
int entriesRead;
int totalEntries;
IntPtr buffer = IntPtr.Zero;
try
{
FILE_INFO_3 fileInfo3 = new FILE_INFO_3();
int status = NativeMethods.NetFileEnum(null, null, null, 3, ref buffer, MAX_PREFERRED_LENGTH, out entriesRead, out totalEntries, IntPtr.Zero);
if (status != 0)
{
var ex = Win32ExceptionManager.GetWin32Exception();
throw ex;
}
for (int i = 0; i < entriesRead; i++)
{
IntPtr iPtr = new IntPtr(buffer.ToInt32() + (i * Marshal.SizeOf(fileInfo3)));
fileInfo3 = (FILE_INFO_3)Marshal.PtrToStructure(iPtr, typeof(FILE_INFO_3));
// Only add files/folder where the permission is at least 'read'.
if (fileInfo3.fi3_permission != 0)
{
openedResources.Add(fileInfo3);
}
}
}
catch (Exception)
{
throw;
}
finally
{
NativeMethods.NetApiBufferFree(buffer);
}
return(openedResources.ToArray <FILE_INFO_3>());
}
/// <summary>
/// Enable standby using power availability request.
/// </summary>
private void EnableStandbyPowerAvailabilityRequest()
{
try
{
lock (lockObj)
{
bool standbyWasSuspended = this.standbySuspended;
if (this.currentPowerRequest != IntPtr.Zero)
{
var success = NativeMethods.PowerClearRequest(this.currentPowerRequest, PowerRequestType.PowerRequestSystemRequired);
if (!success)
{
this.currentPowerRequest = IntPtr.Zero;
var ex = Win32ExceptionManager.GetWin32Exception();
throw new WsapmException(Resources.Wsapm_Core.StandbyManager_StandbyEnableFailed, ex);
}
else
{
this.currentPowerRequest = IntPtr.Zero;
this.standbySuspended = false;
}
}
if (standbyWasSuspended)
{
WsapmLog.Log.WriteLine(Resources.Wsapm_Core.StandbyManager_StandbyEnabled, LogMode.Normal); // Only write log if standby was suspended before.
}
}
}
catch (Exception ex)
{
WsapmLog.Log.WriteError(ex);
}
}