Pseudo-code for message listener

/// <summary>This function listens for a message and executes code accordingly.</summary>
/// <param name="message">The message to analyse.</param>
/// <remarks>This  function should be performed on all incoming serial data as soon as it arrives</remarks>
void listener(int message[]){
  int len = message.length - 1;
  int header = message[0];
  int args[len];
  for(int i = 1; i < len; i++){
    args[i - 1] = message[i];
  }
  switch(header){
    case 255:
      //do action corresponding to command
      break;
    case 254:
      //do action
      break;
    //...
    case 248:
      //do action
      break;
}