private async Task ForwardMessageAsync(MqttMsgEventArgs e)
{
await Task.Run(() =>
{
ChannelFactory <IGenericOneWayContract> factory = null;
try
{
var binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None);
var se = new ServiceEndpoint(ContractDescription.GetContract(typeof(IGenericOneWayContract)), binding, new EndpointAddress(this._configData.TesterAddress));
factory = new ChannelFactory <IGenericOneWayContract>(se);
var channel = factory.CreateChannel();
using (var scope = new OperationContextScope((IContextChannel)channel))
{
var message = Message.CreateMessage(MessageVersion.Soap12WSAddressing10, "*", JsonConvert.SerializeObject(e));
message.Headers.Add(MessageHeader.CreateHeader(ConfigData.XName.LocalName, ConfigData.XName.NamespaceName, this._configData));
channel.ProcessMessage(message);
Trace.WriteLine("VirtualService: --- Message has been sent to tester ---");
}
factory.Close();
}
catch (CommunicationException ex)
{
if (factory != null)
{
if (factory.State == CommunicationState.Faulted)
{
factory.Abort();
}
else if (factory.State != CommunicationState.Closed)
{
factory.Close();
}
factory = null;
}
Trace.WriteLine(ex.InnerException == null ? ex.Message : ex.InnerException.Message);
}
catch (Exception ex)
{
if (factory != null)
{
if (factory.State == CommunicationState.Faulted)
{
factory.Abort();
}
else if (factory.State != CommunicationState.Closed)
{
factory.Close();
}
factory = null;
}
Trace.WriteLine(ex.InnerException == null ? ex.Message : ex.InnerException.Message);
}
});
}
public void ProcessMessage(MqttMsgEventArgs payload, ConfigData config)
{
if (payload.Topic.StartsWith("$iothub/methods/POST/"))
{
var methodName = payload.Topic.Replace("$iothub/methods/POST/", "").Split('?').FirstOrDefault()?.Trim('/');
var topicparts = payload.Topic.Split(new[] { '?' }, 2);
var dic = topicparts.Last().Split('&').ToDictionary(x => x.Split('=')[0], x => x.Split('=')[1]);
string topicResponse = $"$iothub/methods/res/200/?$rid={dic["$rid"]}";
RespondToDirectMethod(config, topicResponse);
}
}
private void Client_ConnectionClosed(object sender, EventArgs e)
{
LogMessage($"[{this.Name}] Connection closed", "Warning");
if (_configData.AutoReconnect == false)
{
var payload = new MqttMsgEventArgs("$iothub/clientproxy/", Encoding.UTF8.GetBytes("Disconnected"), false, 0, false);
this.ForwardMessageAsync(payload).Wait();
}
else
{
Thread.Sleep(500);
this.Connect(null, true);
}
}
public void LogMessage(string message, string severity = "Info")
{
var payload = new MqttMsgEventArgs($"$iothub/logmessage/{severity}", Encoding.UTF8.GetBytes($"{DateTime.Now.ToLocalTime().ToString("yyyy-MM-ddTHH:MM:ss.fff")}: {message}"), false, 0, false);
this.ForwardMessageAsync(payload).Wait();
}
