void Start()
{
IEventExecutorGroup group = new DefaultEventExecutorGroup();
bootstrap = new Bootstrap();
bootstrap.Group(group);
}
public async Task TestStagedExecution()
{
IEventLoopGroup l = new DefaultEventLoopGroup(4, new DefaultThreadFactory("l"));
IEventExecutorGroup e1 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e1"));
IEventExecutorGroup e2 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e2"));
ThreadNameAuditor h1 = new ThreadNameAuditor();
ThreadNameAuditor h2 = new ThreadNameAuditor();
ThreadNameAuditor h3 = new ThreadNameAuditor(true);
IChannel ch = new LocalChannel();
// With no EventExecutor specified, h1 will be always invoked by EventLoop 'l'.
ch.Pipeline.AddLast(h1);
// h2 will be always invoked by EventExecutor 'e1'.
ch.Pipeline.AddLast(e1, h2);
// h3 will be always invoked by EventExecutor 'e2'.
ch.Pipeline.AddLast(e2, h3);
await l.RegisterAsync(ch);
await ch.ConnectAsync(_localAddr);
// Fire inbound events from all possible starting points.
ch.Pipeline.FireChannelRead("1");
ch.Pipeline.Context(h1).FireChannelRead("2");
ch.Pipeline.Context(h2).FireChannelRead("3");
ch.Pipeline.Context(h3).FireChannelRead("4");
// Fire outbound events from all possible starting points.
ch.Pipeline.WriteAsync("5").Ignore();
ch.Pipeline.Context(h3).WriteAsync("6").Ignore();
ch.Pipeline.Context(h2).WriteAsync("7").Ignore();
await ch.Pipeline.Context(h1).WriteAndFlushAsync("8");
await ch.CloseAsync();
// Wait until all events are handled completely.
while (h1._outboundThreadNames.Count < 3 || h3._inboundThreadNames.Count < 3 ||
h1._removalThreadNames.Count < 1)
{
if (h1._exception.Value != null)
{
throw h1._exception.Value;
}
if (h2._exception.Value != null)
{
throw h2._exception.Value;
}
if (h3._exception.Value != null)
{
throw h3._exception.Value;
}
Thread.Sleep(10);
}
string currentName = Thread.CurrentThread.Name;
try
{
// Events should never be handled from the current thread.
Assert.DoesNotContain(currentName, h1._inboundThreadNames);
Assert.DoesNotContain(currentName, h2._inboundThreadNames);
Assert.DoesNotContain(currentName, h3._inboundThreadNames);
Assert.DoesNotContain(currentName, h1._outboundThreadNames);
Assert.DoesNotContain(currentName, h2._outboundThreadNames);
Assert.DoesNotContain(currentName, h3._outboundThreadNames);
Assert.DoesNotContain(currentName, h1._removalThreadNames);
Assert.DoesNotContain(currentName, h2._removalThreadNames);
Assert.DoesNotContain(currentName, h3._removalThreadNames);
// Assert that events were handled by the correct executor.
foreach (string name in h1._inboundThreadNames)
{
Assert.StartsWith("l-", name);
}
foreach (string name in h2._inboundThreadNames)
{
Assert.StartsWith("e1-", name);
}
foreach (string name in h3._inboundThreadNames)
{
Assert.StartsWith("e2-", name);
}
foreach (string name in h1._outboundThreadNames)
{
Assert.StartsWith("l-", name);
}
foreach (string name in h2._outboundThreadNames)
{
Assert.StartsWith("e1-", name);
}
foreach (string name in h3._outboundThreadNames)
{
Assert.StartsWith("e2-", name);
}
foreach (string name in h1._removalThreadNames)
{
Assert.StartsWith("l-", name);
}
foreach (string name in h2._removalThreadNames)
{
Assert.StartsWith("e1-", name);
}
foreach (string name in h3._removalThreadNames)
{
Assert.StartsWith("e2-", name);
}
// Assert that the events for the same handler were handled by the same thread.
HashSet <string> names = new HashSet <string>();
names.UnionWith(h1._inboundThreadNames);
names.UnionWith(h1._outboundThreadNames);
names.UnionWith(h1._removalThreadNames);
Assert.Single(names);
names.Clear();
names.UnionWith(h2._inboundThreadNames);
names.UnionWith(h2._outboundThreadNames);
names.UnionWith(h2._removalThreadNames);
Assert.Single(names);
names.Clear();
names.UnionWith(h3._inboundThreadNames);
names.UnionWith(h3._outboundThreadNames);
names.UnionWith(h3._removalThreadNames);
Assert.Single(names);
// Count the number of events
Assert.Single(h1._inboundThreadNames);
Assert.Equal(2, h2._inboundThreadNames.Count);
Assert.Equal(3, h3._inboundThreadNames.Count);
Assert.Equal(3, h1._outboundThreadNames.Count);
Assert.Equal(2, h2._outboundThreadNames.Count);
Assert.Single(h3._outboundThreadNames);
Assert.Single(h1._removalThreadNames);
Assert.Single(h2._removalThreadNames);
Assert.Single(h3._removalThreadNames);
}
catch (Exception)
{
//System.out.println("H1I: " + h1.inboundThreadNames);
//System.out.println("H2I: " + h2.inboundThreadNames);
//System.out.println("H3I: " + h3.inboundThreadNames);
//System.out.println("H1O: " + h1.outboundThreadNames);
//System.out.println("H2O: " + h2.outboundThreadNames);
//System.out.println("H3O: " + h3.outboundThreadNames);
//System.out.println("H1R: " + h1.removalThreadNames);
//System.out.println("H2R: " + h2.removalThreadNames);
//System.out.println("H3R: " + h3.removalThreadNames);
throw;
}
finally
{
Task.WaitAll(
l.ShutdownGracefullyAsync(),
e1.ShutdownGracefullyAsync(),
e2.ShutdownGracefullyAsync());
}
}
