/// <summary>
/// Executes a command-line program, specifying a maximum time to wait
/// for it to complete.
/// </summary>
/// <param name="command">
/// The path to the program executable.
/// </param>
/// <param name="workingDirectory">
/// The path of the working directory for the process executing the program executable.
/// </param>
/// <param name="args">
/// The command-line arguments for the program.
/// </param>
/// <param name="timeout">
/// The maximum time to wait for the subprocess to complete, in milliseconds.
/// </param>
/// <returns>
/// A <see cref="CommandLineProgramProcessResult"/> containing the results of
/// running the program.
/// </returns>
public static CommandLineProgramProcessResult RunProgram(string command, string workingDirectory, string args, int timeout)
{
bool timedOut = false;
ProcessStartInfo pinfo = new ProcessStartInfo(command);
pinfo.Arguments = args;
pinfo.UseShellExecute = false;
pinfo.CreateNoWindow = true;
pinfo.WorkingDirectory = workingDirectory;
pinfo.RedirectStandardOutput = true;
pinfo.RedirectStandardError = true;
Process process = Process.Start(pinfo);
ProcessStream processStream = new ProcessStream();
try
{
processStream.Read(process);
process.WaitForExit(timeout);
processStream.Stop();
if (!process.HasExited)
{
// OK, we waited until the timeout but it still didn't exit; just kill the process now
timedOut = true;
try
{
process.Kill();
processStream.Stop();
}
catch { }
process.WaitForExit();
}
}
catch (Exception ex)
{
process.Kill();
throw;
}
finally
{
processStream.Stop();
}
TimeSpan duration = process.ExitTime - process.StartTime;
float executionTime = (float)duration.TotalSeconds;
CommandLineProgramProcessResult result = new CommandLineProgramProcessResult(
executionTime,
processStream.StandardOutput.Trim(),
processStream.StandardError.Trim(),
process.ExitCode,
timedOut);
return(result);
}
/// <summary>
/// Executes a command-line program, specifying a maximum time to wait
/// for it to complete.
/// </summary>
/// <param name="command">
/// The path to the program executable.
/// </param>
/// <param name="workingDirectory">
/// The path of the working directory for the process executing the program executable.
/// </param>
/// <param name="args">
/// The command-line arguments for the program.
/// </param>
/// <param name="timeout">
/// The maximum time to wait for the subprocess to complete, in milliseconds.
/// </param>
/// <param name="input">
/// Input to be sent via standard input.
/// </param>
/// <returns>
/// A <see cref="CommandLineProgramProcessResult"/> containing the results of
/// running the program.
/// </returns>
public static CommandLineProgramProcessResult RunProgram(
string command,
string workingDirectory,
string args,
int timeout,
string input,
Encoding inputEncoding = null)
{
bool timedOut = false;
ProcessStartInfo pinfo = new ProcessStartInfo(command);
pinfo.Arguments = args;
pinfo.UseShellExecute = false;
pinfo.CreateNoWindow = true;
pinfo.WorkingDirectory = workingDirectory;
pinfo.RedirectStandardInput = true;
pinfo.RedirectStandardOutput = true;
pinfo.RedirectStandardError = true;
Process process = Process.Start(pinfo);
ProcessStream processStream = new ProcessStream();
StreamWriter inputStreamWriter;
if (inputEncoding == null)
{
inputStreamWriter = process.StandardInput;
}
else
{
inputStreamWriter = new StreamWriter(process.StandardInput.BaseStream, inputEncoding);
}
Encoding standardInputEncoding = inputStreamWriter.Encoding;
try
{
if (!String.IsNullOrEmpty(input))
inputStreamWriter.Write(input);
inputStreamWriter.Close();
processStream.Read(process);
process.WaitForExit(timeout);
processStream.Stop();
if (!process.HasExited)
{
// OK, we waited until the timeout but it still didn't exit; just kill the process now
timedOut = true;
try
{
process.Kill();
processStream.Stop();
}
catch { }
process.WaitForExit();
}
}
catch (Exception ex)
{
process.Kill();
processStream.Stop();
throw ex;
}
finally
{
processStream.Stop();
}
TimeSpan duration = process.ExitTime - process.StartTime;
float executionTime = (float)duration.TotalSeconds;
CommandLineProgramProcessResult result = new CommandLineProgramProcessResult(
executionTime,
processStream.StandardOutput.Trim(),
processStream.StandardError.Trim(),
process.ExitCode,
timedOut,
standardInputEncoding);
return result;
}
