public async Task WriteAsync(FilePartyWriteRequest request, CancellationToken cancellationToken = default)
{
if (await ExistsAsync(request.StoragePointer, cancellationToken) && request.WriteMode == WriteMode.Create)
{
throw Errors.FileAlreadyExistsException;
}
var transferRequest = new TransferUtilityUploadRequest
{
BucketName = GetBucketInfo().Name,
InputStream = request.Stream,
Key = request.StoragePointer
};
if (WriteProgressEvent != null)
{
transferRequest.UploadProgressEvent += (_, args) =>
{
WriteProgressEvent.Invoke(this, new WriteProgressEventArgs(request.Id, request.StoragePointer, args.TransferredBytes, args.TotalBytes));
};
}
var creds = GetAmazonCredentials();
using (var s3Client = new AmazonS3Client(creds, GetBucketInfo().GetRegionEndpoint()))
using (var transferUtility = new TransferUtility(s3Client))
{
await transferUtility.UploadAsync(transferRequest, cancellationToken);
}
}
public override void Write(FilePartyWriteRequest request)
{
for (var i = 1; i <= 10; i++)
{
WriteProgressEvent?.Invoke(this, new WriteProgressEventArgs(request.Id, request.StoragePointer, 10 * i, 100));
Thread.Sleep(i * 10);
}
}
public override Task WriteAsync(FilePartyWriteRequest request, CancellationToken cancellationToken)
{
for (var i = 1; i <= 10; i++)
{
WriteProgressEvent?.Invoke(this, new WriteProgressEventArgs(request.Id, request.StoragePointer, 10 * i, 100));
Thread.Sleep(i * 10);
}
return(Task.CompletedTask);
}
public async Task WriteAsync(FilePartyWriteRequest request, CancellationToken cancellationToken = default)
{
var client = GetClient(request.StoragePointer);
var progressHandler = new Progress <long>();
var totalFileBytes = request.Stream.Length;
if (request.WriteMode != WriteMode.CreateOrReplace)
{
var exists = await client.ExistsAsync(cancellationToken);
if (request.WriteMode == WriteMode.Create && exists)
{
throw Core.Exceptions.Errors.FileAlreadyExistsException;
}
if (request.WriteMode == WriteMode.Replace && !exists)
{
throw Core.Exceptions.Errors.FileNotFoundException;
}
}
progressHandler.ProgressChanged += (_, totalBytesTransferred) =>
{
WriteProgressEvent?.Invoke(
this,
new WriteProgressEventArgs(
request.Id,
request.StoragePointer,
totalBytesTransferred,
totalFileBytes));
};
await client.UploadAsync(
request.Stream,
progressHandler : progressHandler,
cancellationToken : cancellationToken);
}
public async Task WriteAsync(FilePartyWriteRequest request, CancellationToken cancellationToken = default)
{
if (await ExistsAsync(request.StoragePointer, cancellationToken) && request.WriteMode == WriteMode.Create)
{
throw Errors.FileAlreadyExistsException;
}
using (var client = GetClient())
{
if (client == null)
{
throw Errors.UnknownException;
}
await client.ConnectAsync(cancellationToken);
var reply = await client.UploadAsync(
request.Stream,
GetFullPath(request.StoragePointer),
FtpRemoteExists.Overwrite,
true,
new Progress <FtpProgress>(a =>
WriteProgressEvent?.Invoke(
this,
new WriteProgressEventArgs(
request.Id,
request.StoragePointer,
a.TransferredBytes,
request.Stream.Length)))
, cancellationToken);
if (reply != FtpStatus.Success)
{
throw new StorageException("FTP-002", "FTP Server did not indicate success");
}
}
}
public async Task WriteAsync(FilePartyWriteRequest request, CancellationToken cancellationToken = default)
{
var storagePointer = request.StoragePointer;
var writeMode = request.WriteMode;
ApplyBaseDirectoryToStoragePointer(ref storagePointer);
if (request.Stream is null)
{
throw new ArgumentNullException(nameof(request), "Request Stream may not be null");
}
var exists = await ExistsAsync(storagePointer, cancellationToken);
switch (exists)
{
case true when writeMode == WriteMode.Create:
throw Errors.FileAlreadyExistsException;
case false when writeMode == WriteMode.Replace:
throw Errors.FileNotFoundException;
}
var directoryPath = Path.GetDirectoryName(storagePointer);
if (!string.IsNullOrWhiteSpace(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
using (var writeStream = File.Create(storagePointer))
{
if (request.Stream.CanSeek)
{
request.Stream.Seek(0, SeekOrigin.Begin);
}
if (writeStream.CanSeek)
{
writeStream.Seek(0, SeekOrigin.End);
}
var buffer = new byte[BufferSize];
long totalBytesWritten = 0;
var streamSize = request.Stream.Length;
int bytesRead;
do
{
bytesRead = await request.Stream.ReadAsync(buffer, 0, BufferSize, cancellationToken);
await writeStream.WriteAsync(buffer, 0, bytesRead, cancellationToken);
await writeStream.FlushAsync(cancellationToken);
totalBytesWritten += bytesRead;
WriteProgressEvent?.Invoke(this, new WriteProgressEventArgs(request.Id, storagePointer, totalBytesWritten, streamSize));
} while (bytesRead > 0 && totalBytesWritten < streamSize);
}
}
