private void StopShell()
{
try
{
ShellActiveLock.AcquireWriterLock(15 * 1000);
if (ShellActive)
{
ShellActive = false;
ShellActiveLock.ReleaseWriterLock();
_process.Close();
NetClientService.SendShellStop();
}
}
catch (ApplicationException)
{
Console.WriteLine("DeadLock?? ");
}
finally
{
if (ShellActiveLock.IsWriterLockHeld)
{
ShellActiveLock.ReleaseWriterLock();
}
}
}
public void OnShellRequested(ShellAction shellAction, string command)
{
try
{
ShellActiveLock.AcquireReaderLock(15 * 1000);
if (shellAction == ShellAction.Start && !ShellActive)
{
try
{
ShellActiveLock.UpgradeToWriterLock(15 * 1000);
ShellActive = true;
}
catch (ApplicationException)
{
}
finally
{
ShellActiveLock.ReleaseWriterLock();
}
StartShell();
}
else if (shellAction == ShellAction.Push && ShellActive)
{
PipeToProcess(command);
}
else if (shellAction == ShellAction.Stop && ShellActive)
{
ShellActiveLock.ReleaseReaderLock();
StopShell();
}
}
catch (ApplicationException)
{
}
finally
{
// if shellAction == Stop, then we released the lock already
if (ShellActiveLock.IsReaderLockHeld)
{
ShellActiveLock.ReleaseReaderLock();
}
}
}