/// <summary>
/// Initializes a new instance of the <see cref="WcfClientInfo"/> class.
/// </summary>
internal WcfClientInfo(long id, string service, IClientVersionConfig clientConfig)
{
Id = id;
Service = service;
ClientVersion = clientConfig.ClientVersion;
MinServerVersion = clientConfig.MinServerVersion;
ServerVersion = Unknown;
MinClientVersion = Unknown;
Uri = Unknown;
State = ConnectionState.New;
}
/// <summary>
/// Adds a new client to the monitoring quene.
/// </summary>
private long AddClientToMonitor <T, TK>(IClientVersionConfig config, object callbackService, Action <ConnectionState, T> callback, Binding binding)
where T : ClientBase <TK>
where TK : class
{
// ReSharper disable UseObjectOrCollectionInitializer
// ReSharper disable ConvertToLambdaExpression
StartOnDemand();
var serviceName = typeof(TK).Name;
var clientType = typeof(T);
// Add client to collection
var request = new MonitoredClient
{
Binding = binding,
ClientType = clientType,
ServiceName = serviceName,
CallbackService = callbackService,
ClientInfo = new WcfClientInfo(CreateClientId(), serviceName, config),
};
//Wraps the client callback in safe delegate to avoid invoke exceptions
request.ConnectionCallback = delegate(ConnectionState state, ICommunicationObject client)
{
try
{
callback(state, (T)client);
}
catch (Exception e)
{
Logger.LogException(LogLevel.Error, e, "Factory callback threw exception");
}
};
//Set delegate to get the inner channel of the wcf client
request.GetInnerChannel = client => ((T)client).InnerChannel;
//Set delegate to get the ClientCredentials of the wcf client
request.GetClientCredentials = client => ((T)client).ClientCredentials;
//Set delegate to add additional endpoint behaviors
request.AddEndpointBehavior = (client, behavior) => ((T)client).Endpoint.Behaviors.Add(behavior);
if (string.IsNullOrEmpty(config.MinServerVersion))
{
Logger.Log(LogLevel.Info, "Creating WCF client {0} for '{1}' without version check", request.ClientInfo.Id, serviceName);
}
else
{
Logger.Log(LogLevel.Info, "Creating WCF client {0} for '{1}', client version {2}, min. service version {3}",
request.ClientInfo.Id, serviceName, config.ClientVersion, config.MinServerVersion);
}
var clientConfig = config as IClientConfig;
if (clientConfig != null)
{
request.Config = clientConfig;
request.ClientInfo.Uri = CreateEndpointAddress(request.ServiceConfiguration, request.Config).Uri.ToString();
}
lock (_monitoredClients)
_monitoredClients.Add(request);
_clientInfos.Add(request.ClientInfo);
RaiseClientInfoChanged(request.ClientInfo);
return(request.ClientInfo.Id);
}
