public async Task <IReadOnlyDictionary <string, string> > GetPropertiesAsync(string key)
{
int retryCount = 0;
Exception lastException;
do
{
if (retryCount > 0)
{
await Task.Delay(retryPolicy.GetDelay(retryCount)).ConfigureAwait(false);
}
try
{
var request = new ObjectHeadRequest(client.Host, bucketName, key);
using var result = await client.GetObjectHeadAsync(request).ConfigureAwait(false);
return(result.Properties);
}
catch (S3Exception ex) when(ex.IsTransient)
{
lastException = ex;
}
retryCount++;
}while (retryPolicy.ShouldRetry(retryCount));
throw lastException;
}
public async Task <IReadOnlyDictionary <string, string> > GetPropertiesAsync(string key)
{
var request = new ObjectHeadRequest(client.Host, bucketName, key: key);
using var result = await client.GetObjectHeadAsync(request).ConfigureAwait(false);
return(result.Properties !);
}
public async Task <IReadOnlyDictionary <string, string> > GetMetadataAsync(string name)
{
var headRequest = new ObjectHeadRequest(client.Region, bucketName, key: name);
var result = await client.GetObjectHeadAsync(headRequest).ConfigureAwait(false);
return(result.Headers);
}
public async Task <S3ObjectInfo> GetObjectHeadAsync(ObjectHeadRequest request)
{
using (var response = await SendAsync2(request).ConfigureAwait(false))
{
return(new S3ObjectInfo(
bucketName: request.BucketName,
name: request.ObjectName,
response: response
));
}
}
public async Task <IReadOnlyDictionary <string, string> > GetMetadataAsync(string name)
{
#region Preconditions
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
#endregion
var request = new ObjectHeadRequest(client.Host, bucketName, key: name);
var result = await client.GetObjectHeadAsync(request).ConfigureAwait(false);
return(result.Metadata);
}
public async Task <S3ObjectInfo> GetObjectHeadAsync(ObjectHeadRequest request)
{
using var response = await SendAsync2(request, request.CompletionOption).ConfigureAwait(false);
return(S3ObjectInfo.FromResponse(request.BucketName, request.ObjectName !, response));
}
public async Task <S3ObjectInfo> GetObjectHeadAsync(ObjectHeadRequest request, CancellationToken cancelationToken = default)
{
using var response = await SendAsync2(request, HttpCompletionOption.ResponseHeadersRead, cancelationToken).ConfigureAwait(false);
return(S3ObjectInfo.FromResponse(request.BucketName, request.ObjectName !, response));
}