public async Task FarmDisconnectRaisesUncleanDisconnects()
{
EnableTracing();
// Each node shares the same bus but are indepenent servers
var counters = new SignalR.Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
var protectedData = new DefaultProtectedData();
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
{
var nodeCount = 3;
var nodes = new List <ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
var config = node.Resolver.Resolve <IConfigurationManager>();
config.DisconnectTimeout = TimeSpan.FromSeconds(6);
IDependencyResolver resolver = node.Resolver;
node.Server.Configure(app =>
{
app.MapSignalR <FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
resolver.Register(typeof(IProtectedData), () => protectedData);
});
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
await connection.Start(transport);
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
await Task.Delay(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
await Task.Delay(TimeSpan.FromTicks(timeout.Ticks *nodes.Count));
Assert.Equal(0, FarmConnection.CleanDisconnectCount);
Assert.Equal(3, FarmConnection.UncleanDisconnectCount);
}
}
public void FarmDisconnectOnlyRaisesEventOnce()
{
EnableTracing();
// Each node shares the same bus but are indepenent servers
var counters = new SignalR.Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
{
var nodeCount = 3;
var nodes = new List <ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
var config = node.Resolver.Resolve <IConfigurationManager>();
config.DisconnectTimeout = TimeSpan.FromSeconds(6);
IDependencyResolver resolver = node.Resolver;
node.Server.Configure(app =>
{
app.MapConnection <FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
});
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
connection.Start(transport).Wait();
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
Thread.Sleep(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
Thread.Sleep(TimeSpan.FromTicks(timeout.Ticks * nodes.Count));
Assert.Equal(1, nodes.Sum(n => n.Connection.DisconnectCount));
}
}
public async Task FarmDisconnectRaisesUncleanDisconnects()
{
// Each node shares the same bus but are independent servers
const int nodeCount = 3;
var counters = new PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
configurationManager.DisconnectTimeout = TimeSpan.FromSeconds(6);
using (EnableDisposableTracing())
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
using (var loadBalancer = new LoadBalancer(nodeCount))
{
var broadcasters = new List <IConnection>();
var disconnectCounter = new DisconnectCounter();
loadBalancer.Configure(app =>
{
var resolver = new DefaultDependencyResolver();
resolver.Register(typeof(IMessageBus), () => bus);
resolver.Register(typeof(IConfigurationManager), () => configurationManager);
resolver.Register(typeof(FarmConnection), () => new FarmConnection(disconnectCounter));
var connectionManager = resolver.Resolve <IConnectionManager>();
broadcasters.Add(connectionManager.GetConnectionContext <FarmConnection>().Connection);
app.MapSignalR <FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
});
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
await connection.Start(transport);
for (int i = 0; i < nodeCount; i++)
{
broadcasters[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1)).Wait();
await Task.Delay(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
await Task.Delay(TimeSpan.FromTicks(TimeSpan.FromSeconds(5).Ticks *nodeCount));
Assert.Equal(0, disconnectCounter.CleanDisconnectCount);
Assert.Equal(3, disconnectCounter.UncleanDisconnectCount);
}
}
public async Task FarmDisconnectRaisesUncleanDisconnects()
{
// Each node shares the same bus but are independent servers
const int nodeCount = 3;
var counters = new Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
configurationManager.DisconnectTimeout = TimeSpan.FromSeconds(6);
using (EnableDisposableTracing())
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
using (var loadBalancer = new LoadBalancer(nodeCount))
{
var broadcasters = new List<IConnection>();
var disconnectCounter = new DisconnectCounter();
loadBalancer.Configure(app =>
{
var resolver = new DefaultDependencyResolver();
resolver.Register(typeof(IMessageBus), () => bus);
resolver.Register(typeof(IConfigurationManager), () => configurationManager);
resolver.Register(typeof(FarmConnection), () => new FarmConnection(disconnectCounter));
var connectionManager = resolver.Resolve<IConnectionManager>();
broadcasters.Add(connectionManager.GetConnectionContext<FarmConnection>().Connection);
app.MapSignalR<FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
});
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
await connection.Start(transport);
for (int i = 0; i < nodeCount; i++)
{
broadcasters[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1)).Wait();
await Task.Delay(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
await Task.Delay(TimeSpan.FromTicks(TimeSpan.FromSeconds(5).Ticks * nodeCount));
Assert.Equal(0, disconnectCounter.CleanDisconnectCount);
Assert.Equal(3, disconnectCounter.UncleanDisconnectCount);
}
}
public void GroupsAreNotReadOnConnectedAsyncLongPolling()
{
var host = new MemoryHost();
host.MapConnection<MyConnection>("/echo");
var connection = new Client.Connection("http://foo/echo");
connection.Groups = new List<string> { typeof(MyConnection).FullName + ".test" };
connection.Received += data =>
{
Assert.False(true, "Unexpectedly received data");
};
var transport = new Client.Transports.LongPollingTransport(host);
connection.Start(transport).Wait();
Thread.Sleep(TimeSpan.FromSeconds(10));
}
public void FarmDisconnectOnlyRaisesEventOnce()
{
// Each node shares the same bus but are indepenent servers
var counters = new SignalR.Infrastructure.PerformanceCounterManager();
var bus = new MessageBus(new TraceManager(), counters);
var nodeCount = 3;
var nodes = new List <ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
node.Server.Configuration.HeartBeatInterval = timeout;
node.Server.Configuration.DisconnectTimeout = TimeSpan.Zero;
node.Server.MapConnection <FarmConnection>("/echo");
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
connection.Start(transport).Wait();
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
Thread.Sleep(TimeSpan.FromSeconds(1));
}
connection.Stop();
Thread.Sleep(TimeSpan.FromTicks(timeout.Ticks * nodes.Count));
Assert.Equal(1, nodes.Sum(n => n.Connection.DisconnectCount));
}
public void GroupsAreNotReadOnConnectedAsyncLongPolling()
{
using (var host = new MemoryHost())
{
host.MapConnection <MyConnection>("/echo");
var connection = new Client.Connection("http://foo/echo");
connection.Groups = new List <string> {
typeof(MyConnection).FullName + ".test"
};
connection.Received += data =>
{
Assert.False(true, "Unexpectedly received data");
};
var transport = new Client.Transports.LongPollingTransport(host);
connection.Start(transport).Wait();
Thread.Sleep(TimeSpan.FromSeconds(5));
connection.Stop();
}
}
public async Task FarmDisconnectRaisesUncleanDisconnects()
{
// Each node shares the same bus but are independent servers
const int nodeCount = 3;
var counters = new PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
configurationManager.DisconnectTimeout = TimeSpan.FromSeconds(6);
using (EnableTracing())
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
using (var loadBalancer = new LoadBalancer(nodeCount))
{
var broadcasters = new List <IConnection>();
var disconnectCounter = Channel.CreateUnbounded <DisconnectData>();
loadBalancer.Configure(app =>
{
var resolver = new DefaultDependencyResolver();
resolver.Register(typeof(IMessageBus), () => bus);
resolver.Register(typeof(IConfigurationManager), () => configurationManager);
resolver.Register(typeof(FarmConnection), () => new FarmConnection(disconnectCounter.Writer));
var connectionManager = resolver.Resolve <IConnectionManager>();
broadcasters.Add(connectionManager.GetConnectionContext <FarmConnection>().Connection);
app.MapSignalR <FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
});
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
await connection.Start(transport);
for (int i = 0; i < nodeCount; i++)
{
broadcasters[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1)).Wait();
await Task.Delay(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
// Give up after 30 seconds
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(30));
// We can get duplicate OnDisconnected calls, and that's a known by-design issue.
var instancesDisconnected = new HashSet <string>();
while (await disconnectCounter.Reader.WaitToReadAsync(cts.Token))
{
while (!cts.IsCancellationRequested && disconnectCounter.Reader.TryRead(out var disconnect))
{
Assert.False(disconnect.StopCalled, "Disconnect should not have been due to stop being called.");
instancesDisconnected.Add(disconnect.InstanceName);
if (instancesDisconnected.Count == 3)
{
// We're done, all three instances disconneted
return;
}
}
}
// If we get here it means the cts was cancelled which means we timed out
cts.Token.ThrowIfCancellationRequested();
}
}
public async Task FarmGroupAddCompletesSuccessfully(TransportType transportType)
{
// https://github.com/SignalR/SignalR/issues/3337
// Each node shares the same bus but are independent servers
const int nodeCount = 2;
var counters = new PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
// Ensure /send and /connect requests get handled by different servers
Func <string, int> scheduler = url => url.Contains("/send") ? 0 : 1;
using (EnableTracing())
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
using (var loadBalancer = new LoadBalancer(nodeCount, scheduler))
{
loadBalancer.Configure(app =>
{
var resolver = new DefaultDependencyResolver();
resolver.Register(typeof(IMessageBus), () => bus);
app.MapSignalR(new HubConfiguration {
Resolver = resolver
});
});
using (var connection = new HubConnection("http://goo/"))
{
var proxy = connection.CreateHubProxy("FarmGroupHub");
const string group = "group";
const string message = "message";
var mre = new AsyncManualResetEvent();
proxy.On <string>("message", m =>
{
if (m == message)
{
mre.Set();
}
});
Client.Transports.IClientTransport transport;
switch (transportType)
{
case TransportType.LongPolling:
transport = new Client.Transports.LongPollingTransport(loadBalancer);
break;
case TransportType.ServerSentEvents:
transport = new Client.Transports.ServerSentEventsTransport(loadBalancer);
break;
default:
throw new ArgumentException("transportType");
}
await connection.Start(transport);
await proxy.Invoke("JoinGroup", group);
await proxy.Invoke("SendToGroup", group, message);
Assert.True(await mre.WaitAsync(TimeSpan.FromSeconds(5)));
}
}
}
public void FarmDisconnectOnlyRaisesEventOnce()
{
// Each node shares the same bus but are indepenent servers
var bus = new InProcessMessageBus(new TraceManager(), garbageCollectMessages: false);
var nodeCount = 3;
var nodes = new List<ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
node.Server.Configuration.HeartBeatInterval = timeout;
node.Server.Configuration.DisconnectTimeout = TimeSpan.Zero;
node.Server.MapConnection<FarmConnection>("/echo");
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
connection.Start(transport).Wait();
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
Thread.Sleep(TimeSpan.FromSeconds(1));
}
Thread.Sleep(TimeSpan.FromTicks(timeout.Ticks * nodes.Count));
Assert.Equal(1, nodes.Sum(n => n.Connection.DisconnectCount));
}
public async Task FarmGroupAddCompletesSuccessfully(TransportType transportType)
{
// https://github.com/SignalR/SignalR/issues/3337
// Each node shares the same bus but are independent servers
const int nodeCount = 2;
var counters = new Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
// Ensure /send and /connect requests get handled by different servers
Func<string, int> scheduler = url => url.Contains("/send") ? 0 : 1;
using (EnableDisposableTracing())
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
using (var loadBalancer = new LoadBalancer(nodeCount, scheduler))
{
loadBalancer.Configure(app =>
{
var resolver = new DefaultDependencyResolver();
resolver.Register(typeof(IMessageBus), () => bus);
app.MapSignalR(new HubConfiguration { Resolver = resolver });
});
using (var connection = new HubConnection("http://goo/"))
{
var proxy = connection.CreateHubProxy("FarmGroupHub");
const string group = "group";
const string message = "message";
var mre = new AsyncManualResetEvent();
proxy.On<string>("message", m =>
{
if (m == message)
{
mre.Set();
}
});
Client.Transports.IClientTransport transport;
switch (transportType)
{
case TransportType.LongPolling:
transport = new Client.Transports.LongPollingTransport(loadBalancer);
break;
case TransportType.ServerSentEvents:
transport = new Client.Transports.ServerSentEventsTransport(loadBalancer);
break;
default:
throw new ArgumentException("transportType");
}
await connection.Start(transport);
await proxy.Invoke("JoinGroup", group);
await proxy.Invoke("SendToGroup", group, message);
Assert.True(await mre.WaitAsync(TimeSpan.FromSeconds(5)));
}
}
}
public async Task FarmDisconnectOnlyRaisesUncleanDisconnects()
{
EnableTracing();
// Each node shares the same bus but are indepenent servers
var counters = new SignalR.Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
var protectedData = new DefaultProtectedData();
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
{
var nodeCount = 3;
var nodes = new List<ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
var config = node.Resolver.Resolve<IConfigurationManager>();
config.DisconnectTimeout = TimeSpan.FromSeconds(6);
IDependencyResolver resolver = node.Resolver;
node.Server.Configure(app =>
{
app.MapSignalR<FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
resolver.Register(typeof(IProtectedData), () => protectedData);
});
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
await connection.Start(transport);
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
await Task.Delay(TimeSpan.FromSeconds(1));
}
((Client.IConnection)connection).Disconnect();
await Task.Delay(TimeSpan.FromTicks(timeout.Ticks * nodes.Count));
Assert.Equal(0, FarmConnection.OldOnDisconnectedCalls);
Assert.Equal(0, FarmConnection.CleanDisconnectCount);
Assert.Equal(3, FarmConnection.UncleanDisconnectCount);
}
}
public void FarmDisconnectOnlyRaisesEventOnce()
{
// Each node shares the same bus but are indepenent servers
var counters = new SignalR.Infrastructure.PerformanceCounterManager();
var configurationManager = new DefaultConfigurationManager();
using (var bus = new MessageBus(new StringMinifier(), new TraceManager(), counters, configurationManager, 5000))
{
var nodeCount = 3;
var nodes = new List<ServerNode>();
for (int i = 0; i < nodeCount; i++)
{
nodes.Add(new ServerNode(bus));
}
var timeout = TimeSpan.FromSeconds(5);
foreach (var node in nodes)
{
var config = node.Resolver.Resolve<IConfigurationManager>();
config.DisconnectTimeout = TimeSpan.FromSeconds(6);
IDependencyResolver resolver = node.Resolver;
node.Server.Configure(app =>
{
app.MapConnection<FarmConnection>("/echo", new ConnectionConfiguration
{
Resolver = resolver
});
});
}
var loadBalancer = new LoadBalancer(nodes.Select(f => f.Server).ToArray());
var transport = new Client.Transports.LongPollingTransport(loadBalancer);
var connection = new Client.Connection("http://goo/echo");
connection.Start(transport).Wait();
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].Broadcast(String.Format("From Node {0}: {1}", i, i + 1));
Thread.Sleep(TimeSpan.FromSeconds(1));
}
connection.Disconnect();
Thread.Sleep(TimeSpan.FromTicks(timeout.Ticks * nodes.Count));
Assert.Equal(1, nodes.Sum(n => n.Connection.DisconnectCount));
}
}
