public void SendAcknowledgeMentToDevice(TcpSession tcpSession, string msg)
{
try
{
Console.WriteLine("Acknowledgement message : " + msg);
if (tcpSession != null)
{
tcpSession.Send(SplitData.StringToByteArray(msg.Trim()));
}
}
catch (Exception ex)
{
Console.WriteLine($"public void SendAcknowledgeMent(Socket _socket) {ex}");
}
}
public static string BuildAcknowledgeMessage(string message, out string IMEI)
{
IMEI = string.Empty;
string acknowledge = string.Empty;
try
{
string packetType = message.Substring(6, 2);
byte[] receivedMessageArray = SplitData.StringToByteArray(message);
int messageLength = receivedMessageArray[2];
var serialNumber = receivedMessageArray.Skip(2 + 1 + messageLength - 4).Take(2).ToArray();
switch (packetType)
{
case "01":
serialNumber.CopyTo(loginResponse, 4);
var sendCRC = CrcGenerator.crc_bytes(loginResponse.Skip(2).Take(loginResponse.Length - 6).ToArray());
loginResponse[loginResponse.Length - 4] = (byte)((sendCRC >> 8) & 0xFF);
loginResponse[loginResponse.Length - 3] = (byte)((sendCRC) & 0xFF);
IMEI = Encoding.ASCII.GetString(receivedMessageArray.Skip(4).Take(messageLength - 5).ToArray());
acknowledge = SplitData.GetHexValueFromByteArray(loginResponse);
Console.WriteLine("Imei : '{0}'", IMEI);
Console.WriteLine("Acknowledge Location Data : '{0}'", acknowledge);
break;
case "13":
serialNumber.CopyTo(heartbeatResponse, 4);
sendCRC = CrcGenerator.crc_bytes(heartbeatResponse.Skip(2).Take(heartbeatResponse.Length - 6).ToArray());
heartbeatResponse[heartbeatResponse.Length - 4] = (byte)((sendCRC >> 8) & 0xFF);
heartbeatResponse[heartbeatResponse.Length - 3] = (byte)((sendCRC) & 0xFF);
acknowledge = SplitData.GetHexValueFromByteArray(heartbeatResponse);
Console.WriteLine("Send Message : '{0}'", acknowledge);
break;
case "16":
case "26":
int alarmPacketLen = alarmResponse.Length - 5;
alarmResponse[2] = (byte)(alarmPacketLen & 0xFF);
serialNumber.CopyTo(alarmResponse, alarmPacketLen - 1);
sendCRC = CrcGenerator.crc_bytes(alarmResponse.Skip(2).Take(alarmPacketLen - 1).ToArray());
alarmResponse[alarmPacketLen + 1] = (byte)((sendCRC >> 8) & 0xFF);
alarmResponse[alarmPacketLen + 2] = (byte)((sendCRC) & 0xFF);
acknowledge = SplitData.GetHexValueFromByteArray(alarmResponse);
Console.WriteLine("Acknowledge Location Data : '{0}'", acknowledge);
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(acknowledge);
}
