public IEnumerable <StoreRecord> EnumerateMessages(string key, long version, int count)
{
var records = _appendOnlyStore.ReadRecords(key, version, count);
foreach (var record in records)
{
using (var mem = new MemoryStream(record.Data))
{
// drop attributes
var attribs = _serializer.ReadAttributes(mem);
var eventCount = _serializer.ReadCompactInt(mem);
var objects = new object[eventCount];
for (int i = 0; i < eventCount; i++)
{
objects[i] = _serializer.ReadMessage(mem);
}
yield return(new StoreRecord(key, objects, record.StoreVersion, record.StreamVersion));
}
}
}
public ImmutableEnvelope ReadAsEnvelopeData(byte[] buffer)
{
using (var mem = new MemoryStream(buffer))
{
var signature = MessageSerializer.ReadCompactInt(mem);
if (Signature != signature)
{
throw new IOException("Signature bytes mismatch in envelope");
}
var frame = StorageFramesEvil.ReadFrame(mem);
using (var mem1 = new MemoryStream(frame.Bytes))
{
var attributes = MessageSerializer.ReadAttributes(mem1);
var item = MessageSerializer.ReadMessage(mem1);
var created = new DateTime(frame.Stamp, DateTimeKind.Utc);
return(new ImmutableEnvelope(frame.Name, created, item, attributes));
}
}
}
protected override async Task Run(CancellationToken cancellationToken)
{
Stream stream = null;
try
{
var buffer = Encoding.UTF8.GetBytes(NetworkState.Ok.ToString());
await Send(cancellationToken, _client.WriteStream, buffer);
using (var bufferStream = await ToMemoryStream(cancellationToken, _client.ReadStream))
_message = await _messageSerializer.ReadMessage <TMessage>(bufferStream);
if (Message != null && _client.WriteStream.CanWrite)
{
buffer = Encoding.UTF8.GetBytes(NetworkState.Ok.ToString());
await Send(cancellationToken, _client.WriteStream, buffer);
}
if (IsCancellationRequested)
{
throw new OperationCanceledException();
}
//TODO: Check this for proper work
var streaming = _message as IStreamingMessage;
if (streaming != null)
{
ulong allReaded = 0;
RaiseReport(new ProgressInfo <TMessage>(Message, streaming.StreamLength, allReaded));
buffer = new byte[2048];
stream = RaiseGetStream(Message) ?? streaming.Stream;
do
{
if (IsCancellationRequested)
{
throw new OperationCanceledException();
}
var readed = await _client.ReadStream.ReadAsync(buffer, 0, buffer.Length, cancellationToken);
await stream.WriteAsync(buffer, 0, readed, cancellationToken);
allReaded += (ulong)readed;
await stream.FlushAsync(cancellationToken);
RaiseReport(new ProgressInfo <TMessage>(Message, streaming.StreamLength, allReaded));
} while (allReaded < streaming.StreamLength);
}
RaiseSuccess(Message);
}
catch (OperationCanceledException)
{
RaiseCancelled(Message);
}
catch (Exception ex)
{
RaiseCatch(ex);
}
if (stream != null)
{
stream.Dispose();
}
await _client.DisconnectAsync();
_client.Dispose();
}