public CopyObjectRequest(string host, S3ObjectLocation source, S3ObjectLocation target)
: base(HttpMethod.Put, host, target.BucketName, target.Key)
{
Headers.Add("x-amz-copy-source", $"/{source.BucketName}/{source.Key}");
CompletionOption = HttpCompletionOption.ResponseContentRead;
}
public async Task <CopyObjectResult> PutAsync(
string name,
S3ObjectLocation sourceLocation,
IReadOnlyDictionary <string, string> metadata = null)
{
#region Preconditions
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
#endregion
var retryCount = 0;
Exception lastException = null;
while (retryPolicy.ShouldRetry(retryCount))
{
try
{
return(await PutInternalAsync(name, sourceLocation, metadata).ConfigureAwait(false));
}
catch (S3Exception ex) when(ex.IsTransient)
{
lastException = ex;
}
retryCount++;
await Task.Delay(retryPolicy.GetDelay(retryCount)).ConfigureAwait(false);
}
throw new S3Exception($"Unrecoverable exception copying '{sourceLocation}' to '{name}'", lastException);
}
private Task <CopyObjectResult> PutInternalAsync(
string name,
S3ObjectLocation sourceLocation,
IReadOnlyDictionary <string, string> metadata = null)
{
var request = new CopyObjectRequest(
host: client.Host,
source: sourceLocation,
target: new S3ObjectLocation(bucketName, name)
);
SetHeaders(request, metadata);
return(client.CopyObjectAsync(request));
}
public async Task <CopyObjectResult> PutAsync(
string destinationKey,
S3ObjectLocation sourceLocation,
IReadOnlyDictionary <string, string>?metadata = null)
{
if (destinationKey is null)
{
throw new ArgumentNullException(nameof(destinationKey));
}
int retryCount = 0;
Exception lastException;
do
{
if (retryCount > 0)
{
await Task.Delay(retryPolicy.GetDelay(retryCount)).ConfigureAwait(false);
}
var request = new CopyObjectRequest(
host: client.Host,
source: sourceLocation,
target: new S3ObjectLocation(bucketName, destinationKey)
);
if (metadata != null)
{
request.MetadataDirective = MetadataDirectiveValue.Replace;
SetHeaders(request, metadata);
}
try
{
return(await client.CopyObjectAsync(request).ConfigureAwait(false));
}
catch (S3Exception ex) when(ex.IsTransient)
{
lastException = ex;
}
retryCount++;
}while (retryPolicy.ShouldRetry(retryCount));
throw new S3Exception($"Error copying '{sourceLocation}' to '{destinationKey}'", lastException);
}
