private void OnMessageReceivedFromMulticastGroup(object sender, MessegeReceviedEventArgs args)
{
if (args.Payload.MessageTypeName == typeof(DiscoveryRequestMessage).Name)
{
_discoveryRequestMessage = (DiscoveryRequestMessage)args.Payload;
_serverNode.GetDataQuantity();
}
if (args.Payload.MessageTypeName == typeof(ConnectTheGraphMessage).Name)
{
_serverNode.ConnectoToKnowServers();
Console.WriteLine("Server graph connected !");
}
}
public override async void Discover()
{
if (debug)
{
Debug.WriteLine("Discovery System: Sending Discovery Request");
}
try
{
// Get an output stream to all IPs on the given port
using (var stream = await socket.GetOutputStreamAsync(new HostName("255.255.255.255"), udpPort.ToString()))
{
// Get a data writing stream
using (var writer = new DataWriter(stream))
{
// Include all known devices in the request to minimize traffic (smart devices can use this info to determine if they need to respond)
JArray jDevices = new JArray();
foreach (var device in Devices)
{
JObject jDevice = new JObject();
jDevice.Add("deviceInfo", device.DeviceInfo);
jDevice.Add("name", device.Name);
jDevices.Add(jDevice);
}
// Create a discovery request message
DiscoveryRequestMessage discoveryRequestMessage = new DiscoveryRequestMessage("DISCOVER", name, IpAddress, jDevices);
// Convert the request to a JSON string
writer.WriteString(JsonConvert.SerializeObject(discoveryRequestMessage));
if (debug)
{
Debug.WriteLine($" >>> {JsonConvert.SerializeObject(discoveryRequestMessage)}");
}
// Send
await writer.StoreAsync();
}
}
}
catch (Exception ex)
{
Debug.WriteLine("Discovery System Server - Send Discovery Request Failed: " + ex.Message);
}
}
public override void Discover()
{
if (debug)
{
Debug.WriteLine("Discovery System: Sending Discovery Request");
}
try
{
// Include all known devices in the request to minimize traffic (smart devices can use this info to determine if they need to respond)
JArray jDevices = new JArray();
foreach (var device in Devices)
{
JObject jDevice = new JObject();
jDevice.Add("deviceInfo", device.DeviceInfo);
jDevice.Add("name", device.Name);
jDevices.Add(jDevice);
}
// Create a discovery request message
DiscoveryRequestMessage discoveryRequestMessage = new DiscoveryRequestMessage("DISCOVER", name, IpAddress, jDevices);
var requestString = JsonConvert.SerializeObject(discoveryRequestMessage);
var bytes = Encoding.ASCII.GetBytes(requestString);
if (debug)
{
Debug.WriteLine($" >>> {requestString}");
}
socket.Send(bytes, bytes.Length);
}
catch (Exception ex)
{
Debug.WriteLine("Discovery System Server - Send Discovery Request Failed: " + ex.Message);
}
}
private void SendDicoveryRequest(DiscoveryRequestMessage discoveryRequestMessage)
{
_discoveryBuss.Direct(discoveryRequestMessage, _config.DiscoveryRequestsQueueName);
}