/// <inheritdoc />
/// <summary>
/// Execute the cli task async
/// </summary>
/// <returns>error code</returns>
public Task <int> ExecuteAsync()
{
// Call WaitForExit and then the using statement will close.
var startInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
FileName = ExecutablePath,
Arguments = CommandLineArguments
};
var tcs = new TaskCompletionSource <int>();
try
{
Logger.WriteProcessToLog(Name, $"Executing '{ExecutablePath}' with '{CommandLineArguments}'");
var exeProcess = new Process {
StartInfo = startInfo, EnableRaisingEvents = true
};
RedirectStdOut(exeProcess.StartInfo);
exeProcess.Start();
OutputRedirector stdOutToFile = null;
OutputRedirector stdErrToFile = null;
string timestamp = DateTime.UtcNow.ToString("yyyyMMdd-HHmmss");
if (startInfo.RedirectStandardOutput)
{
stdOutToFile = new OutputRedirector(OutputLogDir, $"{Name}-{exeProcess.Id}-{timestamp}.stdout");
exeProcess.OutputDataReceived += stdOutToFile.LineHandler;
exeProcess.BeginOutputReadLine();
}
if (startInfo.RedirectStandardError)
{
stdErrToFile = new OutputRedirector(ErrorLogDir, $"{Name}-{exeProcess.Id}-{timestamp}.stderr");
exeProcess.ErrorDataReceived += stdErrToFile.LineHandler;
exeProcess.BeginErrorReadLine();
}
exeProcess.Exited += (s, e) =>
{
ExitCode = exeProcess.ExitCode;
Logger.WriteProcessToLog(Name, $"ExitCode: {ExitCode}.");
tcs.TrySetResult(ExitCode);
stdOutToFile?.Dispose();
stdErrToFile?.Dispose();
exeProcess.Dispose();
};
}
catch (Exception ex)
{
ExitCode = -1;
tcs.TrySetResult(ExitCode);
tcs.TrySetException(ex);
Logger.WriteProcessToLog(Name, "the task is being terminated due to a failure.");
Logger.WriteExceptionToLog(ex);
}
return(tcs.Task);
}
/// <inheritdoc />
/// <summary>
/// Execute the cli task
/// </summary>
/// <remarks>blocking call</remarks>
public void Execute()
{
// Call WaitForExit and then the using statement will close.
var startInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
FileName = ExecutablePath,
Arguments = CommandLineArguments
};
Logger.WriteProcessToLog(Name, $"Executing '{ExecutablePath}' with '{CommandLineArguments}'");
using (var exeProcess = new Process {
StartInfo = startInfo, EnableRaisingEvents = true
})
{
OutputRedirector stdOutToFile = null;
OutputRedirector stdErrToFile = null;
try
{
RedirectStdOut(exeProcess.StartInfo);
exeProcess.Start();
string timestamp = DateTime.UtcNow.ToString("yyyyMMdd-HHmmss");
if (startInfo.RedirectStandardOutput)
{
stdOutToFile = new OutputRedirector(OutputLogDir, $"{Name}-{exeProcess.Id}-{timestamp}.stdout");
exeProcess.OutputDataReceived += stdOutToFile.LineHandler;
exeProcess.BeginOutputReadLine();
}
if (startInfo.RedirectStandardError)
{
stdErrToFile = new OutputRedirector(ErrorLogDir, $"{Name}-{exeProcess.Id}-{timestamp}.stderr");
exeProcess.ErrorDataReceived += stdErrToFile.LineHandler;
exeProcess.BeginErrorReadLine();
}
exeProcess.WaitForExit();
ExitCode = GetProcessExitCode(exeProcess);
Logger.WriteProcessToLog(Name, $"ExitCode: {ExitCode}.");
}
catch (Exception ex)
{
ExitCode = -1;
Logger.WriteProcessToLog(Name, "the task is being terminated due to a failure.");
Logger.WriteExceptionToLog(ex);
try
{
exeProcess?.Kill();
Terminated = true;
}
catch (Exception e)
{
Logger.WriteProcessToLog(Name, "failed to kill the process.");
Logger.WriteExceptionToLog(e);
}
}
finally
{
stdOutToFile?.Dispose();
stdErrToFile?.Dispose();
}
}
}
