public AsyncReadResult BeginRead(int offset, int size, TimeSpan timeout, WaitCallback callback, object state)
{
this.ThrowIfNotOpen();
Microsoft.ServiceBus.Channels.ConnectionUtilities.ValidateBufferBounds(this.AsyncReadBufferSize, offset, size);
this.readCallback = callback;
this.readObject = state;
AsyncReadResult asyncReadResult = AsyncReadResult.Completed;
bool flag = false;
try
{
try
{
if (Interlocked.CompareExchange(ref this.asyncReadPending, 1, 0) != 0)
{
throw Fx.Exception.AsError(new InvalidOperationException(Resources.ClientWebSocketConnectionReadPending), this.Activity);
}
IAsyncResult asyncResult = this.webSocket.BeginReceive(this.AsyncReadBuffer, offset, size, timeout, this.onRead, this);
if (asyncResult.CompletedSynchronously)
{
this.readCallback = null;
this.readObject = null;
this.bytesRead = this.webSocket.EndReceive(asyncResult);
}
else
{
asyncReadResult = AsyncReadResult.Queued;
}
flag = true;
}
catch (IOException oException1)
{
IOException oException = oException1;
throw Fx.Exception.AsError(ClientWebSocketConnection.ConvertIOException(oException), this.Activity);
}
catch (ObjectDisposedException objectDisposedException1)
{
ObjectDisposedException objectDisposedException = objectDisposedException1;
if (this.webSocket.State != ServiceBusClientWebSocket.WebSocketState.Faulted)
{
throw Fx.Exception.AsError(new CommunicationObjectAbortedException(objectDisposedException.Message, objectDisposedException), this.Activity);
}
throw Fx.Exception.AsError(new CommunicationObjectFaultedException(objectDisposedException.Message, objectDisposedException), this.Activity);
}
}
finally
{
if (!flag || asyncReadResult == AsyncReadResult.Completed)
{
Interlocked.Exchange(ref this.asyncReadPending, 0);
}
}
return(asyncReadResult);
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
// according to the docs, the callback is optional
var readTask = this.ReadAsync(buffer, offset, count, CancellationToken.None);
var readResult = new AsyncReadResult(state, readTask, this);
if (callback != null)
{
readTask.ContinueWith(_ => callback(readResult));
}
return(readResult);
}
public static async Task LoadAsync <T>(string filename, AsyncReadResult <T> callBack)
{
T data;
WestdriveSettings.CheckIO = IOState.pending;
WestdriveSettings.CheckIO = IOState.working;
using (var file = File.OpenRead(filename))
{
data = await Task.Run(() =>
{
return(data = Serializer.Deserialize <T>(file));
});
file.Close();
}
if (callBack != null)
{
callBack(data);
}
WestdriveSettings.CheckIO = IOState.ready;
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
// according to the docs, the callback is optional
var readTask = this.ReadAsync(buffer, offset, count, CancellationToken.None);
var readResult = new AsyncReadResult(state, readTask, this);
if (callback != null)
{
readTask.ContinueWith(_ => callback(readResult));
}
return readResult;
}
private void ReadComplete(bool calledSynchronously)
{
try
{
int num = this.connection.EndRead();
if (num != 0)
{
SocketMessageHelper.ReadBytesAsyncResult readBytesAsyncResult = this;
readBytesAsyncResult.totalBytesRead = readBytesAsyncResult.totalBytesRead + num;
if (this.totalBytesRead == this.requestedCount)
{
this.Bytes = new ArraySegment <byte>(this.connection.AsyncReadBuffer, 0, this.totalBytesRead);
base.Complete(calledSynchronously);
}
else
{
AsyncReadResult asyncReadResult = AsyncReadResult.Completed;
while (this.totalBytesRead != this.requestedCount)
{
if (asyncReadResult == AsyncReadResult.Completed)
{
asyncReadResult = this.BeginRead();
if (asyncReadResult != AsyncReadResult.Completed)
{
continue;
}
num = this.connection.EndRead();
if (num != 0)
{
SocketMessageHelper.ReadBytesAsyncResult readBytesAsyncResult1 = this;
readBytesAsyncResult1.totalBytesRead = readBytesAsyncResult1.totalBytesRead + num;
}
else
{
if (this.throwIfNotAllRead)
{
TimeSpan originalTimeout = this.timeoutHelper.OriginalTimeout - this.timeoutHelper.RemainingTime();
throw new InvalidDataException(string.Concat(Resources.PrematureEOF, " ", originalTimeout.ToString()));
}
this.Bytes = new ArraySegment <byte>(this.connection.AsyncReadBuffer, 0, this.totalBytesRead);
base.Complete(calledSynchronously);
return;
}
}
else
{
break;
}
}
}
}
else
{
if (this.throwIfNotAllRead)
{
TimeSpan timeSpan = this.timeoutHelper.OriginalTimeout - this.timeoutHelper.RemainingTime();
throw new InvalidDataException(string.Concat(Resources.PrematureEOF, " ", timeSpan.ToString()));
}
this.Bytes = new ArraySegment <byte>(this.connection.AsyncReadBuffer, 0, this.totalBytesRead);
base.Complete(calledSynchronously);
}
}
catch (Exception exception1)
{
Exception exception = exception1;
if (Fx.IsFatal(exception))
{
throw;
}
base.Complete(calledSynchronously, exception);
}
}
protected internal override async Task <DictionaryEntry> UnpackFromAsyncCore(Unpacker unpacker, CancellationToken cancellationToken)
{
if (unpacker.IsArrayHeader)
{
var key = await unpacker.ReadObjectAsync(cancellationToken).ConfigureAwait(false);
if (!key.Success)
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
var value = await unpacker.ReadObjectAsync(cancellationToken).ConfigureAwait(false);
if (!value.Success)
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
return(new DictionaryEntry(key.Value, value.Value));
}
else
{
// Previous DictionaryEntry serializer accidentally pack it as map...
AsyncReadResult <MessagePackObject> key = default(AsyncReadResult <MessagePackObject>);
AsyncReadResult <MessagePackObject> value = default(AsyncReadResult <MessagePackObject>);
for (var propertyName = await unpacker.ReadStringAsync(cancellationToken).ConfigureAwait(false);
(!key.Success || !value.Success) && propertyName.Success;
propertyName = await unpacker.ReadStringAsync(cancellationToken).ConfigureAwait(false))
{
switch (propertyName.Value)
{
case "Key":
{
key = await unpacker.ReadObjectAsync(cancellationToken).ConfigureAwait(false);
if (!key.Success)
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
break;
}
case "Value":
{
value = await unpacker.ReadObjectAsync(cancellationToken).ConfigureAwait(false);
if (!value.Success)
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
break;
}
}
}
if (!key.Success)
{
SerializationExceptions.ThrowMissingProperty("Key");
}
if (!value.Success)
{
SerializationExceptions.ThrowMissingProperty("Value");
}
return(new DictionaryEntry(key.Value, value.Value));
}
}
