/// <summary>
/// Creates the elfie indexes.
/// </summary>
async Task CreateIndex(Catalog2ElfieOptions options, CancellationToken cancellationToken)
{
// The NuGet service catalog root.
Uri nugetServicesUri = new Uri(options.Source);
// The list of NuGet service endpoints.
NugetServiceEndpoints nugetServiceUrls = new NugetServiceEndpoints(new Uri(options.Source));
// The storage object responsible for loading and saving files from storage.
Storage storage = options.StorageFactory.Create();
Uri downloadCountsUri = new Uri(options.DownloadSource);
ElfieFromCatalogCollector collector = new ElfieFromCatalogCollector(options.IndexerVersion, options.MergerVersion, nugetServiceUrls, downloadCountsUri, options.DownloadPercentage, storage, options.MaxThreads, options.TempPath);
int reties = 3;
for (int attempt = 0; attempt < reties; attempt++)
{
bool success = await collector.Run(cancellationToken);
// The collector returns true if it successfully created the indexes,
// returns false if it couldn't create the indexes, but the error is transient,
// throws an exception if it encounters an unrecoverable error.
if (success)
{
break;
}
else
{
// Wait for a few seconds before retrying.
int delay = (int)Math.Pow(15, reties);
Thread.Sleep(delay * 1000);
}
}
}
public static Catalog2ElfieOptions FromArgs(string[] args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
IDictionary<string, string> arguments = CommandHelpers.GetArguments(args, 1);
if (arguments == null)
{
throw new ArgumentOutOfRangeException("args", "Invalid command line arguments.");
}
bool verbose = CommandHelpers.GetVerbose(arguments);
Version indexerVersion = CommandHelpers.GetIndexerVersion(arguments);
Version mergerVersion = CommandHelpers.GetMergerVersion(arguments);
string source = CommandHelpers.GetSource(arguments);
string downloadSource = CommandHelpers.GetDownloadSource(arguments);
double downloadPercentage = CommandHelpers.GetDownloadPercentage(arguments);
IStorageFactory storageFactory = CommandHelpers.CreateStorageFactory(arguments, verbose);
int interval = CommandHelpers.GetInterval(arguments);
int maxThreads = CommandHelpers.GetMaxThreads(arguments);
string tempPath = CommandHelpers.GetTempPath(arguments);
Catalog2ElfieOptions options = new Catalog2ElfieOptions(indexerVersion, mergerVersion, source, downloadSource, downloadPercentage, storageFactory, maxThreads, tempPath, verbose);
options.Validate();
return options;
}