private void SendCmd_Click(object sender, RoutedEventArgs e)
{
// Validate KeyCode Length Should be 1 to 14 Characters
try
{
string trimed_code = Code_txt.Text.Trim();
string Sel_Devicename = Device_cmb.SelectedItem as string;
/* Fetch the Device ID from Devices */
byte[] Deviceid = new byte[8];
for (int i = 0; i <= Global.Allowed_DevicesList.Count - 1; i++)
{
if (Global.Allowed_DevicesList[i].Device_name.Equals(Sel_Devicename))
{
Global.Allowed_DevicesList[i].Device_Id.CopyTo(Deviceid, 0);
break;
}
}
bool IsDevice_Connected = false;
for (int i = 0; i <= ServerClass.Devices_Buffer.Count - 1; i++)
{
if (ServerClass.Devices_Buffer[i].IsConnected && (ServerClass.Devices_Buffer[i].DeviceId.SequenceEqual(Deviceid))) // Device Has Connection
{
IsDevice_Connected = true;
}
}
if (trimed_code == "")
{
// Error Related Port Number cannot be empty.
MessageBox.Show("Port number cannot be empty !!", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
}
else if (!IsDevice_Connected)
{
MessageBox.Show("Device Is not Connected !!", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
}
else
{
/* Everything Is Ok I.e Valid port number, Device Has Connection */
CommandClass CmdObj = new CommandClass();
Deviceid.CopyTo(CmdObj.DeviceId, 0);
Global.Command_KeyCodePkt_TypeID.CopyTo(CmdObj.TypeId, 0); // .CopyTo is the Best Method to copy the bytes
CmdObj.Status = false; // Command- Status
CmdObj.Senttime = DateTime.Now; // Command-Sentime
CmdObj.SentCnt = 0; // COmmand - SentCnt
byte[] databytes = InsertKeyCodeStringasbytes(trimed_code); // Prepared Command bytes
byte[] Final_bytes = GetFinalbytesOfCommand(Deviceid, Global.Command_KeyCodePkt_TypeID, databytes);
/* Initialize the CommandData Array */
CmdObj.CommandData = new byte[Final_bytes.Length]; // To Store Whole Command prepared byte[] array
Final_bytes.CopyTo(CmdObj.CommandData, 0); // Storing Total Command bytes of CommandObj.
Global.Command_KeyCodePkt_TypeID.CopyTo(CmdObj.TypeId, 0); //Command-TypeID
ServerClass.Command_Buffer.Add(CmdObj);
}
}
catch (Exception ex)
{
DateTime now_time = DateTime.Now;
string time = Convert.ToString(now_time);
Global.AppendTexttoFile(Global.exception_filepath, "Exception Ocuured On SendSmd_Click Click: " + ex.Message + time); // Logging the Execptions Ocuured
}
// DeviceId Validation Whether It Is Connected Or Not.
}
public void ProcessCommand_Buffer(object sender, ElapsedEventArgs elapsedEventArg)
{
/* Timer to process Failed Commands Again */
try
{
if (!Global.Is_Commandprocessing)
{
Global.Is_Commandprocessing = true;
if (Command_Buffer != null) // If Data Buffer has some data elements
{
while (Command_Buffer.Count > 0)
{
CommandClass Command = Command_Buffer.Take(); // To Take the First Inserted Command
TimeSpan Difference = DateTime.Now - Command.Senttime; // Diff B/w Sent time - Present Time
long seconds = (long)Difference.TotalSeconds; // Convertig Differnce in to number of Seconds
if ((Command.Status) || (Command.SentCnt == Global.MaxResendCnt)) // i.e Command Response Recieved , Reached MaxResendCnt (3)
{
/* Remove the Command */
}
else if ((seconds > Global.ResendwaitTime) || (Command.SentCnt == 0)) /* Command Status Is False Then Only Process It. i.e We are Updatin Sentime when Setcnt=0;*/
{
Command.SentCnt = (byte)Command.SentCnt + 1;
Command.Senttime = DateTime.Now;
bool IsDeviceConnected = false;
int i;
for (i = 0; i <= Devices_Buffer.Count - 1; i++)
{
if (Devices_Buffer[i].DeviceId.SequenceEqual(Command.DeviceId))
{
if (Devices_Buffer[i].IsConnected == true) /* Device Is Connected */
{
IsDeviceConnected = true;
break;
}
}
}
if (IsDeviceConnected) /* So Device HAs Valid COnnection*/
{
SendDatatoClient(Command.CommandData, Devices_Buffer[i].ClientStream); //
}
else
{
/* Show Error Dailog or Log the Command to Failed Commands */
}
Command_Buffer.Add(Command); // Adding Command Back to the Commands_Buffer at last
}
else
{
Command_Buffer.Add(Command); // Adding Command Back to the Commands_Buffer at last
}
}
}
Global.Is_Commandprocessing = false;
}// End of Is_CommandProcessing
}
catch (Exception ex)
{
DateTime now_time = DateTime.Now;
string time = Convert.ToString(now_time);
Global.AppendTexttoFile(Global.exception_filepath, "Exception Ocuured on ProcessCommand_Buffer: " + ex.Message + time); // Logging the Execptions Ocuured
Global.Is_Commandprocessing = false;
}
}
