/// <summary>
/// Initializes a new instance of the <see cref="ManifestValidator"/> class.
/// </summary>
/// <param name="manifest">The manifest instance to be validated.</param>
/// <param name="localDirectory">The directory that will be used to locate files with relative paths.</param>
public ManifestValidator(Manifest manifest, String localDirectory)
{
_manifest = manifest;
_localDirectory = localDirectory;
_running = false;
_complete = false;
var contents = manifest.Contents;
_results = new List<ManifestValidatorResult>();
_processed = new List<ManifestEntry>(contents.Count);
_remaining = new Queue<ManifestEntry>(contents.Count);
}
/// <summary>
/// Creates a new manifest using the specified parameters.
/// </summary>
/// <param name="directory">The directory containing the files to include in the manifest.</param>
/// <param name="hashAlgorithm">A valid parameter for the <seealso cref="System.Security.Cryptography.HashAlgorithm" />.<seealso cref="System.Security.Cryptography.HashAlgorithm.Create(string)" /> method.</param>
/// <param name="description">A description to be included in the manifest.</param>
/// <returns></returns>
public static async Task<Manifest> CreateManifest(String directory, String hashAlgorithm = null, String description = null)
{
var work = await Task.Factory.StartNew(() =>
{
List<ManifestEntry> entries = new List<ManifestEntry>();
var files = ManifestHelper.GetFiles(directory);
foreach (var file in files)
{
var entry = CreateManifestEntry(directory, file.Replace(directory, ""), null, hashAlgorithm);
if (entry == null) { continue; }
entries.Add(entry);
}
Manifest manifest = new Manifest
{
ID = Guid.NewGuid(),
Description = description,
HashAlgorithm = hashAlgorithm,
TimestampUtc = DateTime.UtcNow,
Contents = entries,
};
return manifest;
});
return work;
}
private static Manifest CreateManifestManually()
{
var files = ManifestHelper.GetFiles(path);
Manifest m = new Manifest();
m.AddFiles(files);
String commonAncestor;
m.Contents = Manifest.FindCommonAncestor(m.Contents, out commonAncestor).ToList();
m.HashAlgorithm = hashingAlgorithm;
// Skip files larger than 10MB, for the sake of speed.
const long tenMegs = 10485760;
m.CalculateHashes(commonAncestor, tenMegs);
return m;
}