public void TcpSocketChannel_Flush_should_not_be_reentrant_after_Close()
{
// Skip for Mono due to Code Contracts assertions not working properly there
if (MonotonicClock.IsMono) return;
var eventLoopGroup = new MultithreadEventLoopGroup(1);
try
{
var futures = new ConcurrentQueue<Task>();
var sb = new ServerBootstrap();
sb.Group(eventLoopGroup).Channel<TcpServerSocketChannel>().ChildOption(ChannelOption.SoSndbuf, 1024)
.ChildHandler(new ChannelFlushCloseHandler(futures));
var address = (IPEndPoint) sb.BindAsync(IPAddress.IPv6Loopback, 0).Result.LocalAddress;
var s = new System.Net.Sockets.Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
s.Connect(address.Address, address.Port);
var inputStream = new NetworkStream(s, true);
var buf = new byte[8192];
while (true)
{
var readBytes = inputStream.Read(buf, 0, 8192);
if (readBytes == 0)
{
break;
}
// Wait a little bit so that the write attempts are split into multiple flush attempts.
Thread.Sleep(10);
}
s.Close();
Assert.Equal(3, futures.Count);
Task future1, future2, future3;
futures.TryDequeue(out future1);
futures.TryDequeue(out future2);
futures.TryDequeue(out future3);
Assert.True(future1.IsCompleted);
Assert.False(future1.IsFaulted || future1.IsCanceled);
Assert.True(future2.IsFaulted || future2.IsCanceled);
Assert.IsType<ClosedChannelException>(future2.Exception.InnerException);
Assert.True(future3.IsFaulted || future3.IsCanceled);
Assert.IsType<ClosedChannelException>(future3.Exception.InnerException);
}
finally
{
eventLoopGroup.ShutdownGracefullyAsync();
}
}
public void TcpSocketChannel_can_connect_to_TcpServerSocketChannel()
{
IEventLoopGroup group1 = new MultithreadEventLoopGroup(2);
IEventLoopGroup group2 = new MultithreadEventLoopGroup(2);
var cb = new ClientBootstrap();
var sb = new ServerBootstrap();
var reads = 100;
var resetEvent = new ManualResetEventSlim();
cb.Group(group1)
.Channel<TcpSocketChannel>()
.Handler(
new ActionChannelInitializer<TcpSocketChannel>(
channel =>
{
channel.Pipeline.AddLast(new LengthFieldBasedFrameDecoder(20, 0, 4, 0, 4))
.AddLast(new LengthFieldPrepender(4, false))
.AddLast(new IntCodec())
.AddLast(new TestHandler());
}));
sb.Group(group2)
.Channel<TcpServerSocketChannel>()
.ChildHandler(
new ActionChannelInitializer<TcpSocketChannel>(
channel =>
{
channel.Pipeline.AddLast(new LengthFieldBasedFrameDecoder(20, 0, 4, 0, 4))
.AddLast(new LengthFieldPrepender(4, false))
.AddLast(new IntCodec())
.AddLast(new ReadCountAwaiter(resetEvent, reads))
.AddLast(new TestHandler());
}));
IChannel sc = null;
IChannel cc = null;
try
{
// Start server
sc = sb.BindAsync(TEST_ADDRESS).Result;
// Connect to the server
cc = cb.ConnectAsync(sc.LocalAddress).Result;
foreach (var read in Enumerable.Range(0, reads))
{
cc.WriteAndFlushAsync(read);
}
Assert.True(resetEvent.Wait(15000));
}
finally
{
CloseChannel(cc);
CloseChannel(sc);
Task.WaitAll(group1.ShutdownGracefullyAsync(), group2.ShutdownGracefullyAsync());
}
}