private DiscoveryMetadata GetDiscoveryMetadata()
{
DiscoveryMetadata discoveryMetadata = new DiscoveryMetadata();
discoveryMetadata.NSv11 = _inspireMonitoring.NumberOfDatasetsRegisteredInADiscoveryService; // Antall datasett som er registrert i en discovery service (Alle datasett)
discoveryMetadata.NSv12 = _inspireMonitoring.NumberOfServicesRegisteredInADiscoveryService; // Antall tjenester som er registrert i en discovery service (Alle tjenester)
return(discoveryMetadata);
}
/// <summary>
/// Initializes a new instance of the <see cref="DiscoveryServer"/> class.
/// </summary>
/// <param name="responseMetadata">The response metadata.</param>
/// <param name="port">The port to bind to.</param>
/// <param name="localAddress">The local address to bind to.</param>
public DiscoveryServer(DiscoveryMetadata responseMetadata, int port = DefaultDiscoveryPort, IPAddress localAddress = null)
{
if (responseMetadata == null)
{
throw new ArgumentNullException("responseMetadata", "Discovery response metadata is missing.");
}
Port = port;
LocalAddress = localAddress ?? IPAddress.Any;
ResponseMetadata = responseMetadata;
ResponseMetadataPacket = DiscoveryMetadataHelper.Encode(ResponseMetadata);
}
private void HandleResponse(DiscoveryMetadata response)
{
lock (lockObject)
{
if (response == null || Results.Contains(response))
{
return;
}
Results.Add(response);
}
OnDiscovered(new DiscoveryEventArgs(response));
}
public IActionResult Deregister(HttpRequestMessage request, string name, string instance)
{
lock (Hub.Hosts)
{
DiscoveryMetadata host = Hub.Hosts.FirstOrDefault(item => item.HostName.ToLower() == name.ToLower() &&
item.Instance.ToLower() == instance.ToLower());
if (host != null)
{
Hub.Hosts.Remove(host);
}
}
return(new ObjectResult("OK"));
}
/// <summary>
/// Initializes a new instance of the <see cref="DiscoveryClient"/> class.
/// </summary>
/// <param name="requestMetadata">The request metadata.</param>
/// <param name="port">The port of the discovery server.</param>
public DiscoveryClient(DiscoveryMetadata requestMetadata, int port = DiscoveryServer.DefaultDiscoveryPort)
{
if (requestMetadata == null)
{
throw new ArgumentNullException("requestMetadata", "Discovery request metadata is missing.");
}
Port = port;
RequestMetadata = requestMetadata;
RequestMetadataPacket = DiscoveryMetadataHelper.Encode(RequestMetadata);
DestinationAddress = IPAddress.Broadcast;
DestinationEndpoint = new IPEndPoint(DestinationAddress, Port);
Results = new HashSet <DiscoveryMetadata>();
RetryTimeout = TimeSpan.FromSeconds(1);
RetryCount = 10;
}
public IActionResult Register(HttpRequestMessage request, [FromBody] DiscoveryMetadata host)
{
lock (Hub.Hosts)
{
if (Hub.Hosts == null)
{
Hub.Hosts = new List <DiscoveryMetadata>();
}
DiscoveryMetadata existingHost = Hub.Hosts.FirstOrDefault(item => item.HostAddress.ToLower() == host.HostAddress.ToLower());
if (existingHost == null)
{
Hub.Hosts.Add(host);
}
}
return(new ObjectResult("OK"));
}
DiscoveryMetadata GetDiscoveryMetadata()
{
List <Service> services = new List <Service>();
foreach (Type controllerType in ControllerTypes)
{
Service service = ProcessService(controllerType);
if (service != null)
{
services.Add(service);
}
}
DiscoveryMetadata discoveryMetadata = new DiscoveryMetadata()
{
HostName = _HostName,
Instance = _Instance,
HostAddress = _HostAddress + (_HostAddress.EndsWith("/") ? "" : "/"),
Services = services
};
return(discoveryMetadata);
}
/// <summary>
/// Initializes a new instance of the <see cref="DiscoveryEventArgs"/> class.
/// </summary>
/// <param name="metadata">Discovery metadata.</param>
public DiscoveryEventArgs(DiscoveryMetadata metadata)
{
Metadata = metadata;
}
public void Start()
{
IConfigurationBuilder configBuilder = new ConfigurationBuilder();
configBuilder.AddJsonFile("host.json");
IConfigurationRoot configuration = configBuilder.Build();
_HostName = configuration["hostName"];
_Instance = GenerateUniqueInstanceIdentifier();
_WebHost.Start();
_DiscoveryMetadata = GetDiscoveryMetadata();
_EventSubscriptions = GetEventSubscriptions();
_HostMetadata = GetHostMetadata();
// discovery hub
_DiscoveryHubTimer = new Timer(5000);
_DiscoveryHubTimer.Elapsed += (s, e) =>
{
_DiscoveryHubTimer.Stop();
if (!_ConnectedToDiscoveryHub)
{
_ConnectedToDiscoveryHub = ConnectToDiscoveryHub();
OnDiscoveryHubConnect(_ConnectedToDiscoveryHub);
}
else
{
_ConnectedToDiscoveryHub = PingDiscoveryHub();
}
_DiscoveryHubTimer.Start();
};
_DiscoveryHubTimer.Start();
// event hub
_EventHubTimer = new Timer(5000);
_EventHubTimer.Elapsed += (s, e) =>
{
_EventHubTimer.Stop();
if (!_SubscribedToEvents)
{
_SubscribedToEvents = SubscribeToEvents();
OnEventHubSubscribed(_SubscribedToEvents);
}
else
{
_SubscribedToEvents = PingEventHub();
}
_EventHubTimer.Start();
};
_EventHubTimer.Start();
// monitor hub
_MonitorHubTimer = new Timer(5000);
_MonitorHubTimer.Elapsed += (s, e) =>
{
_MonitorHubTimer.Stop();
if (!_RegisteredWithMonitorHub)
{
_RegisteredWithMonitorHub = RegisterWithMonitorHub();
OnMonitorHubRegistered(_RegisteredWithMonitorHub);
}
else
{
_RegisteredWithMonitorHub = PingMonitorHub();
}
_MonitorHubTimer.Start();
};
_MonitorHubTimer.Start();
}
