public static async Task <CrawlerResults> CrawlAsync(NuGetFeed feed, PackageIdentity packageId)
{
ArgumentNullException.ThrowIfNull(feed);
ArgumentNullException.ThrowIfNull(packageId);
var crawler = new AssemblyCrawler();
using var reader = await feed.GetPackageAsync(packageId).ConfigureAwait(false);
foreach (var packagePath in reader.GetFiles())
{
#pragma warning disable CA2007 // Consider calling ConfigureAwait on the awaited task
await using var assemblyStream = reader.GetStream(packagePath);
await using var memoryStream = new MemoryStream();
#pragma warning restore CA2007 // Consider calling ConfigureAwait on the awaited task
await assemblyStream.CopyToAsync(memoryStream).ConfigureAwait(false);
memoryStream.Position = 0;
using var env = new HostEnvironment();
var assembly = env.LoadAssemblyFrom(packagePath, memoryStream);
if (assembly is null)
{
continue;
}
crawler.Crawl(assembly);
}
return(crawler.CreateResults());
}
public async Task RunAsync(Func <AnalyzeResult, Task> receiver)
{
var framework = NuGetFramework.ParseFolder(_tfmSelector.DetermineTargetTfmValue());
var platforms = _options.Platform.Select(p => p.ToString().ToLowerInvariant()).ToImmutableList();
async void Receiver(AssemblyResult result)
{
_logger.LogInformation(Resources.BinaryAnalysisProcessedAssemblyMessageFormat, result.AssemblyName);
foreach (var r in CreateUaResults(result).ToList())
{
await receiver(r).ConfigureAwait(false);
}
}
var catalog = await CatalogService.LoadCatalogAsync().ConfigureAwait(false);
var apiByGuid = catalog.GetAllApis().ToDictionary(a => a.UniqueId);
var availabilityContext = ApiAvailabilityContext.Create(catalog);
var platformContext = PlatformAnnotationContext.Create(availabilityContext, framework.GetShortFolderName());
foreach (var api in catalog.GetAllApis())
{
var forwardedApi = catalog.GetForwardedApi(api);
if (forwardedApi is not null)
{
apiByGuid[api.UniqueId] = forwardedApi.Value;
}
}
var apiAvailability = new ConcurrentDictionary <ApiModel, ApiAvailability>();
using var resultSink = new BlockingCollection <AssemblyResult>();
var resultSinkTask = Task.Run(() =>
{
foreach (var result in resultSink.GetConsumingEnumerable())
{
Receiver(result);
}
});
var filePaths = AssemblyFileSet.Create(_options.Content.ToList());
Parallel.ForEach(filePaths, filePath =>
{
using var env = new HostEnvironment();
var assembly = env.LoadAssemblyFrom(filePath);
var assemblyName = assembly is not null
? assembly.Name.Value
: Path.GetFileName(filePath);
if (assembly is null)
{
var result = new AssemblyResult(assemblyName, Resources.BinaryAnalysisInvalidAssemblyMessage, Array.Empty <ApiResult>());
resultSink.Add(result);
}
else
{
var assemblyTfm = assembly.GetTargetFrameworkMoniker();
var assemblyFramework = string.IsNullOrEmpty(assemblyTfm) ? null : NuGetFramework.Parse(assemblyTfm);
var crawler = new AssemblyCrawler();
crawler.Crawl(assembly);
var crawlerResults = crawler.CreateResults();
var apiResults = new List <ApiResult>();
var frameworkResultBuilder = new List <FrameworkResult>();
var platformResultBuilder = new List <PlatformResult?>(platforms.Count);
foreach (var apiKey in crawlerResults.Data.Keys)
{
if (apiByGuid.TryGetValue(apiKey.Id, out var api))
{
var availability = apiAvailability.GetOrAdd(api, a => availabilityContext.GetAvailability(a));
frameworkResultBuilder.Clear();
AnalyzeAvailability(availability, framework, out AvailabilityResult availabilityResult, out ApiFrameworkAvailability? info);
var obsoletionResult = AnalyzeObsoletion(availabilityContext, assemblyFramework, api, info);
AnalyzePlatformSupport(platforms, platformContext, frameworkResultBuilder, platformResultBuilder !, api, framework !, availabilityResult, info, obsoletionResult);
var apiResult = new ApiResult(api, frameworkResultBuilder.ToArray());
apiResults.Add(apiResult);
}