private void CloseSafely(StreamPipe pipe)
{
try
{
pipe.Close();
}
catch { }
}
protected override void OnStop()
{
try
{
string workingDirectory = WorkingDirectory;
String shutdownScript = GetStringSetting("ShutdownScript");
if (!string.IsNullOrEmpty(shutdownScript))
{
String shutdownScriptArguments = GetStringSetting("ShutdownScript.Arguments");
try
{
if (!File.Exists(shutdownScript))
{
if (!File.Exists(workingDirectory + "/" + shutdownScript))
{
throw new Exception(shutdownScript + " does not exist!");
}
shutdownScript = workingDirectory + "/" + shutdownScript;
}
Process process = new Process();
// Redirect the output stream of the child process.
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.FileName = shutdownScript;
process.StartInfo.Arguments = shutdownScriptArguments;
if (null != workingDirectory)
{
process.StartInfo.WorkingDirectory = workingDirectory;
Log(EventLogEntryType.Information, "Executing " + shutdownScript + " in working directory " + workingDirectory);
}
else
{
Log(EventLogEntryType.Information, "Executing " + shutdownScript);
}
process.Start();
PipeOutput(runningProcess);
process.WaitForExit();
int afterExitDelay = AfterExitDelay;
if (afterExitDelay > 0)
{
int delay = AfterExitDelay * 1000;
while (delay > 0 && null != runningProcess && !runningProcess.HasExited)
{
delay -= 10;
Thread.Sleep(10);
}
}
}
catch (Exception e) {
Log(EventLogEntryType.Error, e.Message);
}
}
else
{
Log(EventLogEntryType.Information, "No shutdown script defined! Killing process!");
}
if (null != runningProcess && !runningProcess.HasExited)
{
ProcessUtility.KillTree(runningProcess.Id);
}
}
catch (Exception e)
{
Log(EventLogEntryType.Error, e.Message);
throw (e);
}
finally
{
CloseSafely(outPipe);
CloseSafely(errPipe);
outPipe = null;
errPipe = null;
outStream = null;
errStream = null;
}
}
private void PipeOutput(Process process)
{
outPipe = new StreamPipe(process.StandardOutput.BaseStream, outStream.BaseStream);
errPipe = new StreamPipe(process.StandardError.BaseStream, errStream.BaseStream);
}
