public Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken ct)
{
if (_isComplete) { throw new InvalidOperationException("Cannot write anymore to a completed stream"); }
_length += count;
while (count > 0)
{
var toCopy = Math.Min(ReadWriteBufferSize - _currentOffset, count);
Buffer.BlockCopy(buffer, offset, _buffer, _currentOffset, toCopy);
offset += toCopy;
count -= toCopy;
_currentOffset += toCopy;
if (_currentOffset == ReadWriteBufferSize)
{
if (_uploader == null)
{
_uploader = new AmazonMultiUpload(_client, _bucket, _key, _metadata, ct);
}
_uploader.PushBlockOfData(_buffer, _partNumber);
_partNumber++;
_buffer = new byte[ReadWriteBufferSize];
_currentOffset = 0;
}
}
return Task.FromResult(0);
}
public Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken ct)
{
if (_isComplete)
{
throw new InvalidOperationException("Cannot write anymore to a completed stream");
}
_length += count;
while (count > 0)
{
var toCopy = Math.Min(ReadWriteBufferSize - _currentOffset, count);
Buffer.BlockCopy(buffer, offset, _buffer, _currentOffset, toCopy);
offset += toCopy;
count -= toCopy;
_currentOffset += toCopy;
if (_currentOffset == ReadWriteBufferSize)
{
if (_uploader == null)
{
_uploader = new AmazonMultiUpload(_client, _bucket, _key, _metadata, ct);
}
_uploader.PushBlockOfData(_buffer, _partNumber);
_partNumber++;
_buffer = new byte[ReadWriteBufferSize];
_currentOffset = 0;
}
}
return(Task.FromResult(0));
}
public void Dispose()
{
if (_uploader != null)
{
// We just need to finish this off on a new thread
try
{
SafeTask.SafeWait(() => _uploader.Abort());
} catch (Exception) { }
_uploader = null;
}
_isComplete = true;
}
public async Task Complete(CancellationToken ct)
{
if (!_isComplete)
{
string versionId;
if (_uploader != null)
{
versionId = await _uploader.Complete().ConfigureAwait(false);
}
else
{
// Just a single upload request...
using (var ms = new MemoryStream(_buffer, 0, _currentOffset))
{
var request = new PutObjectRequest
{
AutoCloseStream = false,
AutoResetStreamPosition = false,
BucketName = _bucket,
Key = _key,
InputStream = ms
};
// Copy the metadata across
if (_metadata != null)
{
foreach (var m in _metadata)
{
request.Metadata.Add("x-amz-meta-" + m.Key, m.Value);
}
}
var resp = await _client.PutObjectAsync(request, ct).ConfigureAwait(false);
versionId = resp.VersionId;
}
}
VersionId = versionId;
_isComplete = true;
_uploader = null;
}
}
public async Task Complete(CancellationToken ct)
{
if (!_isComplete)
{
string versionId;
if (_uploader != null)
{
versionId = await _uploader.Complete().ConfigureAwait(false);
}
else
{
// Just a single upload request...
using (var ms = new MemoryStream(_buffer, 0, _currentOffset))
{
var request = new PutObjectRequest
{
AutoCloseStream = false,
AutoResetStreamPosition = false,
BucketName = _bucket,
Key = _key,
InputStream = ms
};
// Copy the metadata across
if (_metadata != null)
{
foreach (var m in _metadata)
{
request.Metadata.Add("x-amz-meta-" + m.Key, m.Value);
}
}
var resp = await _client.PutObjectAsync(request, ct).ConfigureAwait(false);
versionId = resp.VersionId;
}
}
VersionId = versionId;
_isComplete = true;
_uploader = null;
}
}
public void Dispose()
{
if (_uploader != null)
{
_uploader.Abort();
_uploader = null;
}
_isComplete = true;
}
