public Operation(IStreamProvider streamProvider, IStreamTransformer transformer, IStreamPersister persister)
{
if (streamProvider == null)
{
throw new ArgumentNullException(nameof(streamProvider));
}
if (transformer == null)
{
throw new ArgumentNullException(nameof(transformer));
}
if (persister == null)
{
throw new ArgumentNullException(nameof(persister));
}
_streamProvider = streamProvider;
_transformer = transformer;
_persister = persister;
}
async Task ProcessStreamCopyAsync(NetworkStream srcStream, NetworkStream dstStream, IStreamTransformer readTransformer, IStreamTransformer writeTransformer)
{
var count = 0;
var buffer = new byte[_bufferSize];
do
{
try
{
count = await srcStream.ReadAsync(buffer, 0, buffer.Length);
if (count == 0)
{
continue;
}
readTransformer?.Decode(buffer, 0, count);
writeTransformer?.Encode(buffer, 0, count);
await dstStream.WriteAsync(buffer, 0, count);
}
catch (Exception e)
{
break;
}
} while (count > 0);
}
public void SetStreamTransformer(IStreamTransformer transformer)
{
//recieveStream = transformer.TransformInputStream(recieveStream);
//sendStream = transformer.TransformOutputStream(sendStream);
}
public void SetStreamTransformer(IStreamTransformer transformer)
{
throw new NotImplementedException();
}
public void SetStreamTransformer(IStreamTransformer transformer)
{
throw new NotImplementedException();
}
public void Release(IStreamTransformer streamTransformer)
{
}
public void SetStreamTransformer(IStreamTransformer transformer)
{
//recieveStream = transformer.TransformInputStream(recieveStream);
//sendStream = transformer.TransformOutputStream(sendStream);
}
