private async Task CloseInternal()
{
lock (this)
{
List <Buffer> remaining = writes.Shutdown();
if (remaining.Count > 0)
{
throw new ApplicationException("Got end write buffer with buffers still in the queue");
}
writes = null;
}
log.LogInformation("Closing write stream");
try
{
error = await Close();
if (error != null)
{
errorType = ErrorType.Close;
}
}
catch (Exception e)
{
log.LogError("Got exception closing stream " + e.ToString());
error = e.ToString();
errorType = ErrorType.Close;
}
}
private async Task Worker()
{
bool errorState = false;
try
{
await Open();
}
catch (Exception e)
{
SendError(e, ErrorType.Open);
errorState = true;
}
await DataLoop(errorState);
List <Buffer> discard;
lock (this)
{
discard = queue.Shutdown();
interrupted = true;
queue = null;
}
foreach (var buffer in discard.Where(b => b != null))
{
client.DiscardBuffer(buffer);
}
await OnFinishedRead();
}
public void Start()
{
length = -1;
offset = 0;
interrupted = false;
queue = new BufferQueue();
log.LogInformation("Starting read for " + Source.AbsoluteUri);
finished = Task.Run(async() => await Worker());
}
public StreamWriter(IWriterClient c, IDrLogging l)
{
client = c;
log = new DryadLogger(l);
writes = new BufferQueue();
offset = 0;
finished = new Task(() => { });
error = null;
errorType = ErrorType.IO;
}
public StreamWriter(IWriterClient c, IDrLogging l)
{
client = c;
log = new DryadLogger(l);
writes = new BufferQueue();
offset = 0;
finished = new Task(() => { });
error = null;
errorType = ErrorType.IO;
}
private async Task Worker()
{
bool errorState = false;
try
{
await Open();
}
catch (Exception e)
{
SendError(e, ErrorType.Open);
errorState = true;
}
await DataLoop(errorState);
List<Buffer> discard;
lock (this)
{
discard = queue.Shutdown();
interrupted = true;
queue = null;
}
foreach (var buffer in discard.Where(b => b != null))
{
client.DiscardBuffer(buffer);
}
await OnFinishedRead();
}
public void Start()
{
length = -1;
offset = 0;
interrupted = false;
queue = new BufferQueue();
log.LogInformation("Starting read for " + Source.AbsoluteUri);
finished = Task.Run(async () => await Worker());
}
private async Task CloseInternal()
{
lock (this)
{
List<Buffer> remaining = writes.Shutdown();
if (remaining.Count > 0)
{
throw new ApplicationException("Got end write buffer with buffers still in the queue");
}
writes = null;
}
log.LogInformation("Closing write stream");
try
{
error = await Close();
if (error != null)
{
errorType = ErrorType.Close;
}
}
catch (Exception e)
{
log.LogError("Got exception closing stream " + e.ToString());
error = e.ToString();
errorType = ErrorType.Close;
}
}
