public async Task Run(CollectionConfiguration config)
{
bool rootExists = Directory.Exists(config.RootDirectory);
if (!rootExists)
{
throw new ArgumentException($"Could not locate directory: {config.RootDirectory}");
}
if (!Directory.Exists(this.GetPerProjectOutputPath()))
{
Directory.CreateDirectory(this.GetPerProjectOutputPath());
}
this.ClearExistingOutputFiles();
List <Task> metricsCollectionTasks = new List <Task>();
this.Traverse(new DirectoryInfo(config.RootDirectory), config, metricsCollectionTasks);
await Task.WhenAll(metricsCollectionTasks);
this.statusUpdater("Completed reading all projects.");
var metrics = await MetricsCompiler.CompileFromDirectory(this.GetPerProjectOutputPath());
var resultsPath = this.GetResultsPath();
CompletedMetricsHandler.WriteMetrics(metrics, resultsPath);
this.statusUpdater($"Wrote results to {resultsPath}.");
}
private string GetPerProjectOutputFile(string csProjPath, CollectionConfiguration config)
{
var smallerPath = csProjPath.Substring(config.RootDirectory.Length); // Strip out the leading path, i.e. remove "C:\myProjects\" from "C:\myProjects\project1.csproj"
string escapedPath = smallerPath
.Replace(Path.DirectorySeparatorChar, '_')
.Replace(":", "_")
.Replace(".", "_");
var fullOutputPath = Path.Combine(this.GetPerProjectOutputPath(), escapedPath + ".xml");
return(fullOutputPath);
}
private async Task CollectMetricsAsync(string projPath, CollectionConfiguration config)
{
if (config.CollectionMethod == CollectionMethod.ProjectNuGet)
{
await this.CollectMetricsMsBuildAsync(projPath, config);
}
else if (config.CollectionMethod == CollectionMethod.ProvidedMetricsExe)
{
await this.CollectMetricsWithIncludedMetricsExeAsync(projPath, config);
}
else
{
throw new ArgumentException($"Unrecognized CollectionMethod value: {config.CollectionMethod}");
}
}
public void Traverse(DirectoryInfo currentDirectory, CollectionConfiguration config, List <Task> tasks)
{
foreach (string file in Directory.EnumerateFiles(currentDirectory.ToString()))
{
if (file.ToLower().EndsWith("." + CsProjExtension))
{
tasks.Add(
this.throttler.Throttle(
async() => { await this.CollectMetricsAsync(file, config); }
)
);
}
}
foreach (var childDirectory in currentDirectory.EnumerateDirectories())
{
this.Traverse(childDirectory, config, tasks);
}
}
private async Task CollectMetricsMsBuildAsync(string projPath, CollectionConfiguration config)
{
var exe = Path.Combine(config.MsBuildPath, MsBuildExe);
var args = $"/t:Metrics /p:MetricsOutputFile={this.GetPerProjectOutputFile(projPath, config)} {projPath}";
// running from NuGet ex - msbuild /t:Metrics /p:MetricsOutputFile=<filename>
ProcessStartInfo psi = new ProcessStartInfo(MsBuildExe);
psi.Arguments = args;
psi.UseShellExecute = false;
psi.RedirectStandardOutput = true;
psi.RedirectStandardError = true;
var p = new Process();
p.StartInfo = psi;
p.OutputDataReceived += P_OutputDataReceived;
p.ErrorDataReceived += P_ErrorDataReceived;
p.Start();
await p.WaitForExitAsync();
this.statusUpdater($"Gathered metrics for {projPath}.");
}
