private void SortMplsFibRows()
{
MPLS_FIB_Rows.Sort((x, y) =>
{
int compare = x.RouterName.CompareTo(y.RouterName);
if (compare != 0)
{
return(compare);
}
compare = x.FEC.ToString().CompareTo(y.FEC.ToString());
if (compare != 0)
{
return(compare);
}
return(x.DestAddress.ToString().CompareTo(y.DestAddress.ToString()));
});
}
private void MPLS_FIB_AddButton_Click(object sender, RoutedEventArgs e)
{
var routerName = MPLS_FIB_RouterName.Text;
var destAddress = MPLS_FIB_DestAddress.Text;
var FEC = MPLS_FIB_FEC.Text;
if (routerName.Length == 0 || destAddress.Length == 0 || FEC.Length == 0)
{
return;
}
var isProperMPLS_FIB_Rule = CheckIfIsProperMPLS_FIB_Entry(destAddress, FEC);
if (!isProperMPLS_FIB_Rule || !Manager.RouterNameToMPLS_FIB_Table.ContainsKey(routerName))
{
AddLog("You are trying to add an incorrect rule!", LogType.Error);
return;
}
var foundRow = MPLS_FIB_Rows.Find(x => x.RouterName.Equals(routerName) &&
x.DestAddress.Equals(IPAddress.Parse(destAddress)));
if (foundRow != null)
{
AddLog("FEC for such destination adress already exists!", LogType.Error);
return;
}
var rule = new MplsFibTableRow(destAddress + " " + FEC);
rule.RouterName = routerName;
Manager.RouterNameToMPLS_FIB_Table[routerName].Add(rule);
MPLS_FIB_Rows.Add(rule);
Manager.SendRow(routerName, rule, ManagementActions.ADD_MPLS_FIB_ENTRY);
SortMplsFibRows();
MPLS_FIB_Table.Items.Refresh();
MPLS_FIB_RouterName.Clear();
MPLS_FIB_DestAddress.Clear();
MPLS_FIB_FEC.Clear();
MPLS_FIB_RouterName.Focus();
}
private void MPLS_FIB_DeleteButton_Click(object sender, RoutedEventArgs e)
{
int index = MPLS_FIB_Table.SelectedIndex;
if (index == -1) // selected empty entry
{
return;
}
var selectedEntry = MPLS_FIB_Table.SelectedItems[0] as MplsFibTableRow;
var routerName = selectedEntry.RouterName;
var destAddress = selectedEntry.DestAddress;
var FEC = selectedEntry.FEC;
if (Manager.RouterNameToMPLS_FIB_Table.ContainsKey(routerName))
{
try
{
// remove item from the list that is binded to GUI's listView
var foundRow = MPLS_FIB_Rows.Find(x => x.RouterName.Equals(routerName) &&
x.DestAddress.Equals(destAddress) && x.FEC.Equals(FEC));
Manager.SendRow(routerName, foundRow, ManagementActions.REMOVE_MPLS_FIB_ENTRY);
MPLS_FIB_Rows.Remove(foundRow);
// remove item from the list that is in dictionary
var row = Manager.RouterNameToMPLS_FIB_Table[routerName].Find(x => x.RouterName.Equals(routerName) &&
x.DestAddress.Equals(destAddress) && x.FEC.Equals(FEC));
Manager.RouterNameToMPLS_FIB_Table[routerName].Remove(row);
MPLS_FIB_Table.Items.Refresh();
}
catch (Exception)
{
AddLog($"Router {routerName} is not connected to MS!\n", LogType.Error);
}
}
else
{
AddLog("Network topology does not contain such router!\n", LogType.Error);
}
}
