private ExecuteResult Execute(BenchmarkCase benchmarkCase, BenchmarkId benchmarkId, ILogger logger, string exePath, string workingDirectory, string args, IDiagnoser diagnoser, IResolver resolver)
{
ConsoleExitHandler.Instance.Logger = logger;
try
{
using (var process = new Process {
StartInfo = CreateStartInfo(benchmarkCase, exePath, args, workingDirectory, resolver)
})
{
var loggerWithDiagnoser = new SynchronousProcessOutputLoggerWithDiagnoser(logger, process, diagnoser, benchmarkCase, benchmarkId);
diagnoser?.Handle(HostSignal.BeforeProcessStart, new DiagnoserActionParameters(process, benchmarkCase, benchmarkId));
return(Execute(process, benchmarkCase, loggerWithDiagnoser, logger));
}
}
finally
{
ConsoleExitHandler.Instance.Process = null;
ConsoleExitHandler.Instance.Logger = null;
diagnoser?.Handle(HostSignal.AfterProcessExit, new DiagnoserActionParameters(null, benchmarkCase, benchmarkId));
}
}
internal void ProcessInput()
{
// Peek -1 or 0 can indicate internal error.
while (!process.StandardOutput.EndOfStream && process.StandardOutput.Peek() > 0)
{
// ReadLine() can actually return string.Empty and null as valid values.
string line = process.StandardOutput.ReadLine();
if (!string.IsNullOrEmpty(line)) // Skip bad data.
{
logger.WriteLine(LogKind.Default, line);
if (!line.StartsWith("//"))
{
LinesWithResults.Add(line);
}
else if (Engine.Signals.TryGetSignal(line, out var signal))
{
diagnoser?.Handle(signal, diagnoserActionParameters);
process.StandardInput.WriteLine(Engine.Signals.Acknowledgment);
}
else
{
LinesWithExtraOutput.Add(line);
}
}
}
}
internal void ProcessInput()
{
string line;
while ((line = process.StandardOutput.ReadLine()) != null)
{
logger.WriteLine(LogKind.Default, line);
if (string.IsNullOrEmpty(line))
{
continue;
}
if (!line.StartsWith("//"))
{
LinesWithResults.Add(line);
}
else if (Engine.Signals.TryGetSignal(line, out var signal))
{
diagnoser?.Handle(signal, diagnoserActionParameters);
process.StandardInput.WriteLine(Engine.Signals.Acknowledgment);
}
else
{
LinesWithExtraOutput.Add(line);
}
}
}
/// <summary>Sends notification signal to the host.</summary>
/// <param name="hostSignal">The signal to send.</param>
public void SendSignal(HostSignal hostSignal)
{
if (!IsDiagnoserAttached) // no need to send the signal, nobody is listening for it
{
return;
}
diagnoser.Handle(hostSignal, diagnoserActionParameters);
}
private ExecuteResult Execute(BenchmarkCase benchmarkCase, BenchmarkId benchmarkId, ILogger logger, ArtifactsPaths artifactsPaths,
string args, IDiagnoser diagnoser, IResolver resolver, int launchIndex)
{
try
{
using (var process = new Process {
StartInfo = CreateStartInfo(benchmarkCase, artifactsPaths, args, resolver)
})
using (var consoleExitHandler = new ConsoleExitHandler(process, logger))
{
var loggerWithDiagnoser = new SynchronousProcessOutputLoggerWithDiagnoser(logger, process, diagnoser, benchmarkCase, benchmarkId);
diagnoser?.Handle(HostSignal.BeforeProcessStart, new DiagnoserActionParameters(process, benchmarkCase, benchmarkId));
return(Execute(process, benchmarkCase, loggerWithDiagnoser, logger, consoleExitHandler, launchIndex));
}
}
finally
{
diagnoser?.Handle(HostSignal.AfterProcessExit, new DiagnoserActionParameters(null, benchmarkCase, benchmarkId));
}
}
/// <summary>Sends notification signal to the host.</summary>
/// <param name="hostSignal">The signal to send.</param>
public void SendSignal(HostSignal hostSignal)
{
if (!IsDiagnoserAttached) // no need to send the signal, nobody is listening for it
{
return;
}
if (diagnoser == null)
{
throw new NullReferenceException(nameof(diagnoser));
}
diagnoser.Handle(hostSignal, diagnoserActionParameters);
}
internal void ProcessInput()
{
// Peek -1 or 0 can indicate internal error.
while (!process.StandardOutput.EndOfStream && process.StandardOutput.Peek() > 0)
{
// ReadLine() can actually return string.Empty and null as valid values.
string line = process.StandardOutput.ReadLine();
if (line == null)
{
continue;
}
logger.WriteLine(LogKind.Default, line);
if (!line.StartsWith("//"))
{
LinesWithResults.Add(line);
}
else if (Engine.Signals.TryGetSignal(line, out var signal))
{
diagnoser?.Handle(signal, diagnoserActionParameters);
if (process.StartInfo.RedirectStandardInput)
{
process.StandardInput.WriteLine(Engine.Signals.Acknowledgment);
}
if (signal == HostSignal.AfterAll)
{
// we have received the last signal so we can stop reading the output
// if the process won't exit after this, its hung and needs to be killed
return;
}
}
else if (!string.IsNullOrEmpty(line))
{
LinesWithExtraOutput.Add(line);
}
}
}