private void HandleEvent(GatewayPayload evnt, TaskCompletionSource <bool> readySignal)
{
switch (evnt.Operation)
{
case GatewayOperation.Dispatch:
HandleDispatchEvent(evnt, readySignal);
break;
case GatewayOperation.InvalidSession:
if ((bool)evnt.Data != true) // Is resumable
{
SetSession(null);
}
readySignal.TrySetResult(false);
GatewayInvalidSession?.Invoke((bool)evnt.Data);
break;
case GatewayOperation.Heartbeat:
SendHeartbeatAck();
GatewayHeartbeat?.Invoke();
break;
case GatewayOperation.HeartbeatAck: GatewayHeartbeatAck?.Invoke(); break;
case GatewayOperation.Hello: GatewayHello?.Invoke(evnt.Data as HelloEvent); break;
case GatewayOperation.Reconnect: GatewayReconnect?.Invoke(); break;
}
}
//// Listening multicast to get reports
private void StartListener()
{
//// Launching multicast listener on gateway multicast IP
PackageHost.WriteInfo("Starting to listen multicast on gateway multicast IP");
UdpClient client = new UdpClient();
IPAddress multicastaddress = IPAddress.Parse(PackageHost.GetSettingValue <string>("GatewayMulticastIP"));
IPEndPoint localEp = new IPEndPoint(IPAddress.Any, PackageHost.GetSettingValue <int>("GatewayMulticastPort"));
client.ExclusiveAddressUse = false;
client.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
client.ExclusiveAddressUse = false;
client.Client.Bind(localEp);
try
{
//// Join multicast
client.JoinMulticastGroup(multicastaddress);
PackageHost.WriteInfo("Listening start...");
while (PackageHost.IsRunning)
{
try
{
//// We convert byte to string
byte[] bytes = client.Receive(ref localEp);
string response = System.Text.Encoding.ASCII.GetString(bytes, 0, bytes.Length);
//// We deserialize to Response class
Response data = JsonConvert.DeserializeObject <Response>(response);
//// If command equal heartbeat
if (data.Cmd == "heartbeat")
{
//// We print response if heartbeat logs is true
if (PackageHost.GetSettingValue <bool>("HeartbeatLog"))
{
PackageHost.WriteInfo("{0}", response);
}
//// If heartbeat model is gateway, we save the data part to Gateway class
if (data.Model == "gateway")
{
//// We save the token
gateway.Token = data.Token;
//// We deserialize data part
GatewayHeartbeat gateway_data = JsonConvert.DeserializeObject <GatewayHeartbeat>(data.Data);
//// If we didn't set gateway's sid
if (gateway.Sid == null)
{
//// If data ip equal to gateway ip
if (gateway_data.IP == PackageHost.GetSettingValue <string>("GatewayIP"))
{
gateway.Sid = data.Sid;
}
}
//// We push the gateway SO
PackageHost.PushStateObject <Gateway>("Gateway", gateway);
}
}
//// If command equal report
else if (data.Cmd == "report")
{
//// We print response if report logs is true
if (PackageHost.GetSettingValue <bool>("ReportLog"))
{
PackageHost.WriteInfo("{0}", response);
}
//// If model equal gateway
if ((data.Model == "gateway") && (data.Sid == gateway.Sid))
{
//// We deserialize report data as gateway class
GatewayReport datagate = JsonConvert.DeserializeObject <GatewayReport>(data.Data);
gateway.Report = datagate;
//// We push the gateway SO
PackageHost.PushStateObject <Gateway>("Gateway", gateway);
}
else
{
//// If equipement sid is in the equipements list
if (equipements.Contains(data.Sid))
{
this.SaveEquipement(data.Sid);
}
}
}
Thread.Yield();
}
catch (Exception ex)
{
PackageHost.WriteError("Error with receive message : {0}", ex);
}
}
}
catch (Exception ex)
{
PackageHost.WriteError("Error joigning multicast : {0}", ex);
return;
}
}