/// <summary>
/// 启动服务
/// </summary>
/// <param name="singletonInstance">承载的服务的实例</param>
public virtual void Start(TServiceContract singletonInstance)
{
if (singletonInstance == null)
{
throw new ArgumentNullException("singletonInstance");
}
if (ServiceHost != null && ServiceHost.State != CommunicationState.Closed)
{
throw new InvalidOperationException("The service host has been started.");
}
ServiceInstance = singletonInstance;
ServiceHost = ServiceHostBuilder.GetServiceHost <TServiceContract>(ServiceInstance, ServiceInfo.Binding, ServiceInfo.Name, ServiceInfo.Port, ServiceInfo.Address);
// add discovery endpoint and behavior
IDiscoverableService discoverableService = ServiceInstance as IDiscoverableService;
if (discoverableService != null)
{
DiscoverableServiceHelper.AddDiscoveryEndpointToServiceHost(ServiceHost);
var endpoint = ServiceHost.Description.Endpoints.Find(typeof(TServiceContract));
DiscoverableServiceHelper.AddDiscoveryBehaviorToServiceEndpoint(endpoint, typeof(TServiceContract));
}
ServiceHost.Open();
}
private static async Task DiscoverService(IDiscoverableService service)
{
bool discovered = await service.DiscoverAsync();
if (discovered)
{
Messenger.Default.Send(new ServiceDiscoveredMesage(service));
}
}
public ServiceDiscoveredMesage(IDiscoverableService service)
{
Service = service ?? throw new ArgumentNullException(nameof(service));
}