// This is where the magic happens - returns one result per result target framework
private IEnumerable <AnalyzerResult> BuildTargets(BuildEnvironment buildEnvironment, string targetFramework, string[] targetsToBuild, bool analyze)
{
using (AnonymousPipeLoggerServer pipeLogger = new AnonymousPipeLoggerServer())
{
using (EventProcessor eventProcessor = new EventProcessor(ProjectFile.Path, Loggers, pipeLogger, analyze))
{
// Get the filename
string fileName = buildEnvironment.MsBuildExePath;
string initialArguments = string.Empty;
if (Path.GetExtension(buildEnvironment.MsBuildExePath).Equals(".dll", StringComparison.OrdinalIgnoreCase))
{
// .NET Core MSBuild .dll needs to be run with dotnet
fileName = "dotnet";
initialArguments = $"\"{buildEnvironment.MsBuildExePath}\"";
}
// Get the arguments to use
string loggerPath = typeof(PipeLogger).Assembly.Location;
string loggerArgument = $"/l:{nameof(PipeLogger)},{FormatArgument(loggerPath)};{pipeLogger.GetClientHandle()}";
Dictionary <string, string> effectiveGlobalProperties = GetEffectiveGlobalProperties(buildEnvironment);
if (!string.IsNullOrEmpty(targetFramework))
{
// Setting the TargetFramework MSBuild property tells MSBuild which target framework to use for the outer build
effectiveGlobalProperties[MsBuildProperties.TargetFramework] = targetFramework;
}
string propertyArgument = effectiveGlobalProperties.Count == 0 ? string.Empty : $"/property:{(string.Join(";", effectiveGlobalProperties.Select(x => $"{x.Key}={FormatArgument(x.Value)}")))}";
string targetArgument = targetsToBuild == null || targetsToBuild.Length == 0 ? string.Empty : $"/target:{string.Join(";", targetsToBuild)}";
string arguments = $"{initialArguments} /noconsolelogger /nodeReuse:False {targetArgument} {propertyArgument} {loggerArgument} {FormatArgument(ProjectFile.Path)}";
int exitCode;
using (ProcessRunner processRunner = new ProcessRunner(fileName, arguments, Path.GetDirectoryName(ProjectFile.Path), GetEffectiveEnvironmentVariables(buildEnvironment), Manager.ProjectLogger))
{
// Start MSBuild
processRunner.Start();
// Read the pipe
InterlockedBool exit = new InterlockedBool(false);
AutoResetEvent exited = new AutoResetEvent(false);
Thread thread = new Thread(() =>
{
while (pipeLogger.Read() && !exit)
{
}
exited.Set();
})
{
IsBackground = true
};
thread.Start();
// Wait for MSBuild to finish and then wait for pipe closure
exitCode = processRunner.WaitForExit();
exit.Set();
exited.WaitOne();
}
return(exitCode != 0 ? Array.Empty <AnalyzerResult>() : eventProcessor.GetResults(this));
}
}
}
public void AnonymousPipeSupportsCancellation()
{
// Given
BuildEventArgs buildEvent = null;
using (CancellationTokenSource tokenSource = new CancellationTokenSource())
{
using (AnonymousPipeLoggerServer server = new AnonymousPipeLoggerServer(tokenSource.Token))
{
// When
tokenSource.CancelAfter(1000); // The call to .Read() below will block so need to set a timeout for cancellation
buildEvent = server.Read();
}
}
// Then
buildEvent.ShouldBeNull();
}