private void ReceivedCallback(IAsyncResult result)
{
SocketData s = (SocketData)result.AsyncState;
try
{
if (s.Socket == null)
{
return;
}
int count = s.Socket.EndReceiveFrom(result, ref s.RemoteEndPoint);
SocketData sd = s;
sd.TotalReadSize = count;
sd.Buffer = new byte[s.TotalReadSize];
Array.Copy((Array)s.Buffer, (Array)sd.Buffer, sd.TotalReadSize);
if (sd.TotalReadSize > 0)
{
DestinationTuple d = new DestinationTuple((IPEndPoint)sd.Socket.LocalEndPoint, (IPEndPoint)sd.RemoteEndPoint);
PacketDataReceivedEventArgs e = new PacketDataReceivedEventArgs(sd.TotalReadSize, sd.Buffer, d);
this.OnDataReceived(e);
}
}
catch (Exception exception)
{
}
StartReading();
}
// Received
private void OnDataReceived(PacketDataReceivedEventArgs e)
{
if (this.DataReceived != null)
{
this.DataReceived(this, e);
}
}
public void DataReceived(object sender, PacketDataReceivedEventArgs e)
{
Log4netLogger.Info(MethodBase.GetCurrentMethod().DeclaringType, $"Get {e.TotalBytesRead} byte(s): 0x{e.DataRead} from {e.DestinationTuple.RemoteEndPoint}");
if (e.TotalBytesRead == 8 && e.DataRead.Substring(0, 6) == "AB0106" && e.DataRead.Substring(14, 2) == "00")
{
try
{
byte[] ImeiStream = e.BytesRead.Skip(3).Take(4).ToArray();
int ImeiInt = BitConverter.ToInt32(ImeiStream.Reverse().ToArray(), 0);
string ImeiWithLeadingZerosLength20 = ImeiInt.ToString("00000000000000000000");
Log4netLogger.Info(MethodBase.GetCurrentMethod().DeclaringType, $"Imei: {ImeiInt}. With leading zeros: {ImeiWithLeadingZerosLength20}");
string key = $"Product_{ImeiWithLeadingZerosLength20}_Heartbeat";
string value = _connector.StringGet(key);
//if found the key (value == null)
if (value != null)
{
_connector.StringSet(key, DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff"));
PacketConnection.Send(new byte[] { 0xAB, 0xFF, 0x06, e.BytesRead[3], e.BytesRead[4], e.BytesRead[5], e.BytesRead[6], 0x01, 0x01 }, e.DestinationTuple);
}
}
catch (Exception ex)
{
LogUtil.Log4netLogger.Error(MethodBase.GetCurrentMethod().DeclaringType, $"Error during DataReceived (UDP)", ex);
}
}
}
public void DataReceived(object sender, PacketDataReceivedEventArgs e)
{
Log4netLogger.Info(MethodBase.GetCurrentMethod().DeclaringType, $"Get {e.TotalBytesRead} byte(s): 0x{e.DataRead}");
}
