private async Task <bool> SendFrameAsync(Frame frame)
{
try
{
Stream stream = this.networkStream.Stream;
await networkStream.WriteLock.WaitAsync();
try
{
await frame.WriteAsync(stream);
}
finally
{
networkStream.WriteLock.Release();
}
await stream.FlushAsync();
return(true);
}
catch (Exception ex) when(ex is IOException || ex is ObjectDisposedException || ex is SocketException)
{
logger.Site().Error(ex, "{0} While writing a Frame to the network: {1}", this, ex.Message);
return(false);
}
}
private async Task <bool> SendFrameAsync(Frame frame)
{
try
{
Stream networkStream = netSocket.NetworkStream;
await netSocket.WriteLock.WaitAsync();
try
{
await frame.WriteAsync(networkStream);
}
finally
{
netSocket.WriteLock.Release();
}
await networkStream.FlushAsync();
return(true);
}
catch (Exception ex) when(ex is IOException || ex is ObjectDisposedException || ex is SocketException)
{
Log.Error(ex, "{0}.{1}: While writing a Frame to the network: {2}", this, nameof(SendFrameAsync),
ex.Message);
return(false);
}
}
public async Task Frame_RoundTrip_Works()
{
var expectedFramelets = new[]
{
new Framelet(FrameletType.EpoxyConfig, AnyContents),
new Framelet(FrameletType.LayerData, AnyContents),
new Framelet(FrameletType.EpoxyConfig, AnyContents),
};
var frame = new Frame(LoggerTests.BlackHole);
foreach (var framelet in expectedFramelets)
{
frame.Add(framelet);
}
var memStream = new MemoryStream();
await frame.WriteAsync(memStream);
memStream.Seek(0, SeekOrigin.Begin);
var resultFrame = await Frame.ReadAsync(memStream, CancellationToken.None, LoggerTests.BlackHole);
CollectionAssert.AreEqual(expectedFramelets, resultFrame.Framelets, DeepFrameletComparer.Instance);
}
public async Task Frame_WriteAsync_OneFramelet_ContentsExpected()
{
var frame = new Frame(LoggerTests.BlackHole);
frame.Add(new Framelet(FrameletType.EpoxyConfig, AnyContents));
var memStream = new MemoryStream();
await frame.WriteAsync(memStream);
var expectedBytes = new[]
{
0x01, 0x00, // frame count
0x43, 0x47, // EpoxyConfig framelet type
0x04, 0x00, 0x00, 0x00, // framelet length
0x62, 0x6F, 0x6E, 0x64 // AnyContents bytes
};
CollectionAssert.AreEqual(expectedBytes, memStream.ToArray());
}
public void Frame_WriteAsync_EmptyFrame_Throws()
{
var frame = new Frame(LoggerTests.BlackHole);
Assert.Throws<InvalidOperationException>(async () => await frame.WriteAsync(new MemoryStream()));
}