/// <summary>
/// Executes provided exe file and returns the result of program using.
/// </summary>
///
/// <param name="exePath">
/// Path of exe file to run.
/// </param>
///
/// <param name="program">
/// Execunitg constraints.(like memory limit, time limit)
/// </param>
/// <param name="arguments">
///
/// </param>
///
/// <returns>
/// Detailed result of program executing.
/// </returns>
///
/// <exception cref="ArgumentNullException">
/// If any argument is null.
/// </exception>
/// <exception cref="FileNotFoundException">
/// If provided path is invalid.
/// </exception>
public static Result ExecuteWin32(string exePath, Program program, string arguments)
{
//validate arguments
ProjectHelper.ValidateNotNull(program, "program");
ProjectHelper.ValidateFileExists(exePath, "exePath");
//Set error mode, for hiding error message boxes.
SetErrorMode(0x0001 | 0x0002 | 0x0004 | 0x8000);
var result = new Result {
ProgramStatus = Status.Running
};
//create new process
using (var exeProcess = new Process())
{
exeProcess.StartInfo.RedirectStandardError = true;
exeProcess.StartInfo.RedirectStandardInput = true;
exeProcess.StartInfo.RedirectStandardOutput = true;
exeProcess.StartInfo.CreateNoWindow = true;
exeProcess.StartInfo.UseShellExecute = false;
exeProcess.StartInfo.FileName = exePath;
exeProcess.StartInfo.Arguments = arguments;
exeProcess.StartInfo.Arguments = exeProcess.StartInfo.Arguments;
//start process
var memoryCounter = new MemoryCounter(exeProcess, 20);
exeProcess.Start();
Thread.Sleep(200);
//write input data
exeProcess.StandardInput.Write(program.InputTest);
exeProcess.StandardInput.Close();
exeProcess.WaitForExit(program.TimeLimit);
if (!exeProcess.HasExited)
{
exeProcess.Kill();
result.ProgramStatus = Status.TimeLimit;
}
memoryCounter.Stop();
//get program statistic
result.Error = exeProcess.StandardError.ReadToEnd();
result.Output = exeProcess.StandardOutput.ReadToEnd();
result.TimeUsed = (int)exeProcess.TotalProcessorTime.TotalMilliseconds;
result.MemoryUsed = (int)memoryCounter.Memory / 1024;
result.Output = result.Output.Trim();
//set program status
if (result.ProgramStatus != Status.TimeLimit)
{
if (exeProcess.ExitCode != 0)
{
result.ProgramStatus = Status.Crashed;
}
else
{
if (result.MemoryUsed > program.MemoryLimit)
{
result.ProgramStatus = Status.MemoryLimit;
}
else
{
if (result.Output == program.OutputTest)
{
result.ProgramStatus = Status.Accepted;
}
else
{
result.ProgramStatus = Status.WrongAnswer;
}
}
}
}
}
return(result);
}
