public async Task ServiceConnectionWithOfflinePingWillTriggerDisconnectClients()
{
using (StartVerifiableLog(out var loggerFactory, LogLevel.Debug))
{
var hubConfig = Utility.GetActualHubConfig(loggerFactory);
var appName = "app1";
var hub = "chat";
var scm = new TestServiceConnectionHandler();
hubConfig.Resolver.Register(typeof(IServiceConnectionManager), () => scm);
var ccm = new ClientConnectionManager(hubConfig, loggerFactory);
hubConfig.Resolver.Register(typeof(IClientConnectionManager), () => ccm);
DispatcherHelper.PrepareAndGetDispatcher(new TestAppBuilder(), hubConfig, new ServiceOptions {
ConnectionString = ConnectionString
}, appName, loggerFactory);
using (var proxy = new TestServiceConnectionProxy(ccm, loggerFactory: loggerFactory))
{
// prepare 2 clients with different instancesId connected
var instanceId1 = Guid.NewGuid().ToString();
var connectionId1 = Guid.NewGuid().ToString("N");
var header1 = new Dictionary <string, StringValues>()
{
{ Constants.AsrsInstanceId, instanceId1 }
};
var instanceId2 = Guid.NewGuid().ToString();
var connectionId2 = Guid.NewGuid().ToString("N");
var header2 = new Dictionary <string, StringValues>()
{
{ Constants.AsrsInstanceId, instanceId2 }
};
// start the server connection
await proxy.StartServiceAsync().OrTimeout();
// Application layer sends OpenConnectionMessage for client1
var connectTask = scm.WaitForTransportOutputMessageAsync(typeof(GroupBroadcastDataMessage)).OrTimeout();
var openConnectionMessage = new OpenConnectionMessage(connectionId1, new Claim[0], header1, $"?transport=webSockets&connectionToken=conn1&connectionData=%5B%7B%22name%22%3A%22{hub}%22%7D%5D");
await proxy.WriteMessageAsync(openConnectionMessage);
// client1 is connected
var connectMessage = (await connectTask)as GroupBroadcastDataMessage;
Assert.NotNull(connectMessage);
Assert.Equal($"hg-{hub}.note", connectMessage.GroupName);
var message = connectMessage.Payloads["json"].GetJsonMessageFromSingleFramePayload <HubResponseItem>();
Assert.Equal("Connected", message.A[0]);
ccm.ClientConnections.TryGetValue(connectionId1, out var transport1);
Assert.NotNull(transport1);
// Application layer sends OpenConnectionMessage for client2
connectTask = scm.WaitForTransportOutputMessageAsync(typeof(GroupBroadcastDataMessage)).OrTimeout();
openConnectionMessage = new OpenConnectionMessage(connectionId2, new Claim[0], header2, $"?transport=webSockets&connectionToken=conn2&connectionData=%5B%7B%22name%22%3A%22{hub}%22%7D%5D");
await proxy.WriteMessageAsync(openConnectionMessage);
// client2 is connected
connectMessage = (await connectTask)as GroupBroadcastDataMessage;
Assert.NotNull(connectMessage);
Assert.Equal($"hg-{hub}.note", connectMessage.GroupName);
message = connectMessage.Payloads["json"].GetJsonMessageFromSingleFramePayload <HubResponseItem>();
Assert.Equal("Connected", message.A[0]);
ccm.ClientConnections.TryGetValue(connectionId2, out var transport2);
Assert.NotNull(transport2);
// Send ServerOfflinePing on instance1 and will trigger cleanup related client1
connectTask = scm.WaitForTransportOutputMessageAsync(typeof(GroupBroadcastDataMessage)).OrTimeout();
await proxy.WriteMessageAsync(new PingMessage()
{
Messages = new[] { "offline", instanceId1 }
});
// Validate client1 disconnect
connectMessage = (await connectTask)as GroupBroadcastDataMessage;
Assert.NotNull(connectMessage);
Assert.Equal($"hg-{hub}.note", connectMessage.GroupName);
message = connectMessage.Payloads["json"]
.GetJsonMessageFromSingleFramePayload <HubResponseItem>();
Assert.Equal("Disconnected", message.A[0]);
// Validate client2 is still connected
Assert.Single(ccm.ClientConnections);
Assert.Equal(connectionId2, ccm.ClientConnections.FirstOrDefault().Key);
}
}
}
public async Task ServiceConnectionWithTransportLayerClosedShouldCleanupEndlessInvokeClientConnections()
{
using (StartVerifiableLog(out var loggerFactory, LogLevel.Debug, expectedErrors: c => true))
{
var hubConfig = Utility.GetActualHubConfig(loggerFactory);
var appName = "app1";
var hub = "EndlessInvoke";
var scm = new TestServiceConnectionHandler();
hubConfig.Resolver.Register(typeof(IServiceConnectionManager), () => scm);
var ccm = new ClientConnectionManager(hubConfig, loggerFactory);
hubConfig.Resolver.Register(typeof(IClientConnectionManager), () => ccm);
DispatcherHelper.PrepareAndGetDispatcher(new TestAppBuilder(), hubConfig,
new ServiceOptions {
ConnectionString = ConnectionString
}, appName, loggerFactory);
using (var proxy = new TestServiceConnectionProxy(ccm, loggerFactory))
{
// start the server connection
var connectionTask = proxy.StartAsync();
await proxy.ConnectionInitializedTask.OrTimeout();
var clientConnection = Guid.NewGuid().ToString("N");
var connectTask = scm.WaitForTransportOutputMessageAsync(typeof(GroupBroadcastDataMessage))
.OrTimeout();
// Application layer sends OpenConnectionMessage
var openConnectionMessage = new OpenConnectionMessage(clientConnection, new Claim[0], null,
$"?transport=webSockets&connectionToken=conn1&connectionData=%5B%7B%22name%22%3A%22{hub}%22%7D%5D");
await proxy.WriteMessageAsync(openConnectionMessage);
var connectMessage = (await connectTask)as GroupBroadcastDataMessage;
Assert.NotNull(connectMessage);
Assert.Equal($"hg-{hub}.note", connectMessage.GroupName);
var message = connectMessage.Payloads["json"]
.GetJsonMessageFromSingleFramePayload <HubResponseItem>();
Assert.Equal("Connected", message.A[0]);
// group message goes into the manager
// make sure the tcs is called before writing message
var gbTask = scm.WaitForTransportOutputMessageAsync(typeof(GroupBroadcastDataMessage)).OrTimeout();
await proxy.WriteMessageAsync(new ConnectionDataMessage(clientConnection, Encoding.UTF8.GetBytes($"{{\"H\":\"{hub}\",\"M\":\"JoinGroup\",\"A\":[\"user1\",\"group1\"],\"I\":1}}")));
var broadcastMessage = (await gbTask)as GroupBroadcastDataMessage;
Assert.NotNull(broadcastMessage);
Assert.Equal($"hg-{hub}.group1", broadcastMessage.GroupName);
// close transport layer
proxy.TestConnectionContext.Application.Output.Complete();
await connectionTask.OrTimeout();
await proxy.WaitForConnectionClose.OrTimeout();
Assert.Equal(ServiceConnectionStatus.Disconnected, proxy.Status);
// cleaned up clearly
Assert.Empty(ccm.ClientConnections);
}
}
}
