public static void NameSortIndex(EntityIndex index, bool descending = false)
{
index.Entries.Sort(delegate(Internal.EntityIndexEntry a, Internal.EntityIndexEntry b)
{
int compare = string.Compare(a.Name, b.Name, true);
if (descending)
return compare * -1;
else
return compare;
});
}
public void UpdateIndex(string path, EntityIndex index)
{
var serialised = SerialiseIndex(index.Entries);
var stream = new MemoryStream(serialised.Length);
var writer = new StreamWriter(stream);
writer.Write(serialised);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
// Check that the index has not been updated before pushing the change - reduce the risks.
try
{
using (var objectMetaDataResponse = client.GetObjectMetadata(new GetObjectMetadataRequest()
{
BucketName = Context.BucketName,
Key = path,
ETagToMatch = index.ETag
}))
{
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode != System.Net.HttpStatusCode.NotFound)
throw;
}
using (var putResponse = client.PutObject(new PutObjectRequest()
{
BucketName = Context.BucketName,
Key = path,
GenerateMD5Digest = true,
InputStream = stream
})) { }
}
}
catch (AmazonS3Exception awsEx)
{
throw new DeploymentException("Failed loading group index", awsEx);
}
}
public EntityIndex LoadIndex(string path)
{
try
{
using (var client = new AmazonS3Client(Context.AwsAccessKeyId, Context.AwsSecretAccessKey))
{
using (var res = client.GetObject(new GetObjectRequest()
{
BucketName = Context.BucketName,
Key = path,
}))
{
var index = new EntityIndex() { ETag = res.ETag };
using (var stream = res.ResponseStream)
{
index.Entries = ParseIndex(stream);
}
return index;
}
}
}
catch (AmazonS3Exception awsEx)
{
if (awsEx.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return new EntityIndex() { Entries = new List<EntityIndexEntry>(), ETag = "" };
}
else
{
throw new DeploymentException("Failed loading group index", awsEx);
}
}
}
