private async void StartDiscovery()
{
_discoveryClient = new ResonanceSignalRDiscoveryClient <DemoServiceInformation, DemoCredentials>(
HubUrl,
SignalRMode.Legacy,
new DemoCredentials()
{
Name = ClientID
});
_discoveryClient.ServiceDiscovered += OnServiceDiscovered;
_discoveryClient.ServiceLost += OnServiceLost;
_discoveryClient.Disconnected += OnDiscoveryError;
try
{
IsFree = false;
await _discoveryClient.StartAsync();
}
catch (Exception ex)
{
Logger.LogError(ex, "Error starting discovery service. Make sure the remote SignalR Hub is running.");
}
finally
{
IsFree = true;
}
}
/// <summary>
/// Registers a listening service on the remote hub and starts a service discovery client
/// to detect available services.
/// </summary>
private async void Connect()
{
if (!IsConnected)
{
try
{
IsFree = false;
String serviceName = ClientID + " Service";
Logger.LogInformation("Initializing service and discovery...");
Logger.LogInformation($"Registering listening service {serviceName}...");
_service = await ResonanceServiceFactory.Default.RegisterServiceAsync <
DemoCredentials,
DemoServiceInformation,
DemoAdapterInformation>(
new DemoCredentials()
{
Name = serviceName
},
new DemoServiceInformation()
{
ServiceId = ClientID
},
HubUrl,
SignalRMode.Legacy);
_service.ConnectionRequest += OnServiceConnectionRequest;
Logger.LogInformation($"Starting service discovery...");
_discoveryClient = new ResonanceSignalRDiscoveryClient <DemoServiceInformation, DemoCredentials>(
HubUrl,
SignalRMode.Legacy,
new DemoCredentials()
{
Name = ClientID + " Discovery"
});
_discoveryClient.ServiceDiscovered += OnServiceDiscovered;
_discoveryClient.ServiceLost += OnServiceLost;
_discoveryClient.Disconnected += OnDiscoveryError;
await _discoveryClient.StartAsync();
IsConnected = true;
Logger.LogInformation("Listening service and discovery started.");
}
catch (Exception ex)
{
Logger.LogError(ex, ex.Message);
}
finally
{
IsFree = true;
}
}
}
public void SignalR_Discovery()
{
if (IsRunningOnAzurePipelines)
{
return;
}
SignalRServer server = new SignalRServer(legacyHostUrl);
server.Start();
var registeredService = ResonanceServiceFactory.Default.RegisterService <
TestCredentials,
TestServiceInformation,
TestAdapterInformation>(
new TestCredentials()
{
Name = "Service User"
},
new TestServiceInformation()
{
ServiceId = "Service 1"
},
legacyHubUrl,
SignalRMode.Legacy);
ResonanceSignalRDiscoveryClient <TestServiceInformation, TestCredentials> discoveryClient =
new ResonanceSignalRDiscoveryClient <TestServiceInformation, TestCredentials>(
legacyHubUrl,
SignalRMode.Legacy,
new TestCredentials()
{
Name = "Test User"
});
var discoveredServices = discoveryClient.Discover(TimeSpan.FromSeconds(10), 1);
Assert.IsTrue(discoveredServices.Count == 1);
Assert.IsTrue(discoveredServices[0].DiscoveryInfo.ServiceId == "Service 1");
registeredService.Dispose();
discoveredServices = discoveryClient.Discover(TimeSpan.FromSeconds(5), 1);
Assert.IsTrue(discoveredServices.Count == 0);
server.Dispose();
}
