/// <summary>
/// Constructor
/// </summary>
/// <param name="config">Configuration structure</param>
public ApplicationLayer(Configuration config)
{
IsServer = config.IsServer;
UpdateInterval = config.AppUpdateInterval;
// Init link layer
link = new LinkLayer(config);
if (IsServer)
{
// Init sync timer if instance is server
UpdateTimer.Interval = UpdateInterval;
UpdateTimer.Elapsed += Update_timer_Elapsed;
}
else
{
// Register event handler if instance is client
link.OnMessageReceived += Link_OnMessageReceived;
}
}
/// <summary>
/// Event handler for OnMessageReceived event of link
/// </summary>
/// <param name="sender">Link layer instance</param>
/// <param name="msg">Event parameters</param>
private void Link_OnMessageReceived(LinkLayer sender, LinkMessage msg)
{
if (!IsServer)
{
char addr = msg.Data[0];
if (value_tracker.Keys.Contains(addr))
{
ApplicationPdu pdu = new ApplicationPdu()
{
Address = addr,
Value = Convert.ToInt32(msg.Data.Substring(1))
};
value_tracker[pdu.Address] = pdu.Value;
Debug.WriteLine("APP-ADDR:" + pdu.Address + "-VAL:" + msg.Data.Substring(1));
TriggerApplicationUpdate(pdu);
}
}
}