public static void PrintStatistics(
this PowerfulAsyncEnumerable runnable,
List <PackageMetadata> packagesWithNetFxAsms,
int totalCount)
{
Console.Out.WriteLine();
Console.Out.WriteLine($"Packages with dotnet assemblies: {packagesWithNetFxAsms.Count} ({totalCount})");
Console.Out.WriteLine($"Total download size(MB): {packagesWithNetFxAsms.Sum(p => p.Size) / 1000000.0}");
}
public static async Task <CatalogPage> ReadPage5000FromNuget(
this PowerfulAsyncEnumerable runnable,
HttpClient httpClient)
{
var url = $"https://api.nuget.org/v3/catalog0/page5000.json";
var page = await runnable.ReadUrl(httpClient, url).ConfigureAwait(false);
Console.WriteLine($"Reading metadata for {url}");
return(page);
}
public static async Task <CatalogPage> ReadUrl(
this PowerfulAsyncEnumerable runnable,
HttpClient httpClient,
string catalogPageUrl)
{
var response = await httpClient.GetAsync(catalogPageUrl).ConfigureAwait(false);
response.EnsureSuccessStatusCode();
using var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
return(await JsonSerializer.DeserializeAsync <CatalogPage>(responseStream).ConfigureAwait(false));
}
public static async Task <PackageMetadata> GetMetadataForPackage(
this PowerfulAsyncEnumerable runnable,
HttpClient httpClient,
string packageMetadataUrl,
SemaphoreSlim throttler,
CancellationToken cancellationToken)
{
try
{
await throttler.WaitAsync(cancellationToken).ConfigureAwait(false);
return(await PackageMetadataReader.ReadUrl(httpClient, packageMetadataUrl, cancellationToken)
.ConfigureAwait(false));
}
finally
{
throttler.Release();
}
}
public static void Explain(this PowerfulAsyncEnumerable runnable, TextWriter writer)
{
writer.WriteLine(@"
- Async Enumerable can be combined in powerful ways with other async and TPL constructs such as `Task.WhenAny`
");
}