public void pop(NHLFE.NHFLERow entry, MPLSPackage MPLSpackage)
{
MPLSpackage.ChangeLabel("pop");
NHLFE.NHFLERow nextentry = ComutationList[entry.next_id];
if (nextentry.method == "swap")
{
MPLSpackage.swap(nextentry.label_out, nextentry.port_out);
return;
}
while (nextentry.method != "swap")
{
MPLSpackage.ChangeLabel("pop");
nextentry = ComutationList[nextentry.next_id];
}
MPLSpackage.swap(nextentry.label_out, nextentry.port_out);
}
public void listener()
{
Task.Run(async() =>
{
using (var updClient = udp)
{
while (true)
{
var result = await updClient.ReceiveAsync();
Package package = Package.fromBytes(result.Buffer);
if (package.isRoutingCommunication() && nhfletable_set == false)
{
ManagementAnswer answer1 = Package.ReceiveRoutingTables(package);
ComutationList = NHLFE.setRoutingTables(answer1);
nhfletable_set = true;
Logs.LogsReceiveRoutingTable(Name);
}
if (package.isMPLS())
{
if (nhfletable_set)
{
MPLSPackage MPLSpackage = Package.ReceiveMPLSPackage(package);
Console.WriteLine($"otrzymany TTL: {MPLSpackage.GetTTL()}");
MPLSpackage.decrementTTL();
if (MPLSpackage.GetTTL() > 0)
{
Logs.LogsRouterReceivePackage(MPLSpackage, Name);
var InPort = MPLSpackage.GetPort();
int label = MPLSpackage.GetLastLabel();
int row_id = get_nhfle_row_id(InPort, label);
if (row_id > -1)
{
switch (ComutationList[row_id].method)
{
case "swap":
MPLSpackage.swap(ComutationList[row_id].label_out, ComutationList[row_id].port_out);
break;
case "push":
push(ComutationList[row_id], MPLSpackage);
break;
case "pop":
pop(ComutationList[row_id], MPLSpackage);
break;
}
Console.WriteLine($"wysyłany TTL: {MPLSpackage.GetTTL()}");
Package package1 = Package.MPLSPackage_(MPLSpackage);
Logs.LogsRouterSendPackage(MPLSpackage, Name);
udp.Send(package1.toBytes(), package1.toBytes().Length, CableCloudEndPoint);
}
else
{
Console.WriteLine("Podana etykieta jest niepoprawna");
}
//Thread.Sleep(1000);
}
}
}
else if (package.isTerminateOrder())
{
Environment.Exit(0);
}
}
}
});
}