/// <summary>
/// Spawns a new process (platform independent)
/// </summary>
public static ProcessOutput ExecuteProcess(string processName, string args, int timeout = 90000, IReadOnlyDictionary <string, string> envVariables = null, string workDir = null)
{
var output = new ProcessOutput();
using (var process = new Process())
{
process.StartInfo.FileName = processName;
process.StartInfo.Arguments = args;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
//Hide the python window if possible
process.StartInfo.UseShellExecute = false;
#if !NETCORE
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
#endif
process.StartInfo.CreateNoWindow = true;
if (envVariables != null)
{
foreach (var envVar in envVariables)
{
process.StartInfo.EnvironmentVariables[envVar.Key] = envVar.Value;
}
}
if (workDir != null)
{
process.StartInfo.WorkingDirectory = workDir;
}
process.Start();
if (process.WaitForExit(timeout))
{
// Process completed.
output.ExitCode = process.ExitCode;
}
else
{
// Timed out.
output.ExitCode = -1;
}
try
{
process.CancelOutputRead();
}
catch
{
// ignored
}
try
{
process.CancelErrorRead();
}
catch
{
// ignored
}
output.SetOutput(process.StandardOutput.ReadToEnd() +
Environment.NewLine + "STDERR:" + Environment.NewLine + process.StandardError.ReadToEnd());
}
return(output);
}
/// <summary>
/// Spawns a new process (platform independent)
/// </summary>
public static ProcessOutput ExecuteProcess(string processName, string args, int timeout, IReadOnlyDictionary <string, string> envVariables = null, string workDir = null)
{
var output = new ProcessOutput();
using (var process = new Process())
{
process.StartInfo.FileName = processName;
process.StartInfo.Arguments = args;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
//Hide the python window if possible
process.StartInfo.UseShellExecute = false;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.CreateNoWindow = true;
if (envVariables != null)
{
foreach (var envVar in envVariables)
{
process.StartInfo.EnvironmentVariables[envVar.Key] = envVar.Value;
}
}
if (workDir != null)
{
process.StartInfo.WorkingDirectory = workDir;
}
process.Start();
var processEndTokenSource = new CancellationTokenSource();
var timeoutTokenSource = new CancellationTokenSource();
var tStandardOutput = CcmProcessExecuter.ReadStreamAsync(
process.StandardOutput, processEndTokenSource.Token, timeoutTokenSource.Token);
var tStandardError = CcmProcessExecuter.ReadStreamAsync(
process.StandardError, processEndTokenSource.Token, timeoutTokenSource.Token);
if (process.WaitForExit(timeout))
{
// Process completed.
output.ExitCode = process.ExitCode;
processEndTokenSource.Cancel();
// process terminated normally, give some time for streams to catch up
// (note that usually this will happen instantly and this 5 second timeout won't be necessary)
timeoutTokenSource.CancelAfter(5000);
}
else
{
// Timed out.
output.ExitCode = -1;
processEndTokenSource.Cancel();
timeoutTokenSource.Cancel();
}
var stdOut = tStandardOutput.GetAwaiter().GetResult();
var stdErr = tStandardError.GetAwaiter().GetResult();
output.SetOutput(stdOut + Environment.NewLine +
"STDERR:" + Environment.NewLine +
stdErr);
}
return(output);
}
