static void Main(string[] args)
{
//string[] parameters = new string[] { args[0], args[1], args[2] };
NetNode netnode = new NetNode(args);
}
private void Listen()
{
TcpClient clienttmp = new TcpClient("127.0.0.1", this.port);
BinaryReader reader = new BinaryReader(clienttmp.GetStream());
BinaryWriter writer = new BinaryWriter(clienttmp.GetStream());
try
{
while (true)
{
string received_data = reader.ReadString();
JSON received_object = JSON.Deserialize(received_data);
ManagmentProtocol received_Protocol = received_object.Value.ToObject <ManagmentProtocol>();
if (received_Protocol.State == ManagmentProtocol.WHOIS)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedWhoIs", ConsoleColor.Blue);
//send name to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.Name = this.virtualIp;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " sending: " + protocol.Name, ConsoleColor.Blue);
}
else if (received_Protocol.State == ManagmentProtocol.ROUTINGTABLES)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedroutingtable", ConsoleColor.Blue);
//receiving fibs
if (received_Protocol.RoutingTable != null)
{
foreach (var fib in received_Protocol.RoutingTable)
{
SwitchingField.addToSwitch(fib);
//adding fib for two-way communication
SwitchingField.addToSwitch(new FIB(fib.oport, fib.out_cont, fib.iport, fib.in_cont));
}
}
}
else if (received_Protocol.State == ManagmentProtocol.ROUTINGENTRY)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedroutingentry", ConsoleColor.Blue);
//receiving fibs
if (received_Protocol.RoutingEntry != null)
{
SwitchingField.addToSwitch(received_Protocol.RoutingEntry);
//adding fib for two-way communication
SwitchingField.addToSwitch(new FIB(received_Protocol.RoutingEntry.oport, received_Protocol.RoutingEntry.out_cont,
received_Protocol.RoutingEntry.iport, received_Protocol.RoutingEntry.in_cont));
}
}
else if (received_Protocol.State == ManagmentProtocol.INTERFACEINFORMATION)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: iterfaceinformation", ConsoleColor.Blue);
//send dictionary from LRM to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.State = ManagmentProtocol.INTERFACEINFORMATION;
protocol.Interfaces = LRM.getConn();
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
else if (received_Protocol.State == ManagmentProtocol.GETTABLE)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: getTable", ConsoleColor.Blue);
//send dictionary from LRM to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.State = ManagmentProtocol.GETTABLE;
protocol.RoutingTable = SwitchingField.fib;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
else
{
NetNode.log("[Management] undefined protocol", ConsoleColor.Red);
}
}
}
catch (Exception e)
{
NetNode.log("\nError sending signal: " + e.Message, ConsoleColor.Red);
Thread.Sleep(2000);
Environment.Exit(1);
}
}
private void Listen()
{
TcpClient clienttmp = new TcpClient("127.0.0.1", this.port);
reader = new BinaryReader(clienttmp.GetStream());
writer = new BinaryWriter(clienttmp.GetStream());
try
{
while (true)
{
string received_data = reader.ReadString();
JSON received_object = JSON.Deserialize(received_data);
CCtoCCSignallingMessage received_Protocol = received_object.Value.ToObject <CCtoCCSignallingMessage>();
if (received_Protocol.State == CCtoCCSignallingMessage.CC_UP_FIB_CHANGE)
{
//insert FIB
NetNode.log(DateTime.Now.ToLongTimeString() + " [CC -> node] insertFib", ConsoleColor.Yellow);
List <FIB> rec = received_Protocol.Fib_table;
//TODO allocate resources
foreach (var row in rec)
{
if (LRM.allocateResource(row.iport, row.in_cont))
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [CC -> node] allocate: " + row.iport + " " + row.in_cont, ConsoleColor.Yellow);
if (LRM.allocateResource(row.oport, row.out_cont))
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [CC -> node] allocate: " + row.oport + " " + row.out_cont, ConsoleColor.Yellow);
sendTopologyAllocated(row.iport, row.in_cont);
sendTopologyAllocated(row.oport, row.out_cont);
SwitchingField.addToSwitch(row);
SwitchingField.addToSwitch(new FIB(row.oport, row.out_cont, row.iport, row.in_cont));
sendConfirmation(row.iport, row.in_cont, true);
}
else
{
LRM.deallocateResource(row.iport, row.in_cont);
sendConfirmation(row.iport, row.in_cont, false);
}
}
else
{
sendConfirmation(row.iport, row.in_cont, false);
}
}
}
else if (received_Protocol.State == CCtoCCSignallingMessage.REALEASE_TOP_BOTTOM)
{
foreach (var fib in received_Protocol.Fib_table)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [CC -> LRM]" + " deallocate" + fib.toString(), ConsoleColor.Green);
if (LRM.deallocateResource(fib.iport, fib.in_cont))
{
sendTopologyDeallocated(fib.iport, fib.in_cont);
}
if (LRM.deallocateResource(fib.oport, fib.out_cont))
{
sendTopologyDeallocated(fib.oport, fib.out_cont);
}
SwitchingField.clearFib(fib);
SwitchingField.clearFib(new FIB(fib.oport, fib.out_cont, fib.iport, fib.in_cont));
}
}
else
{
NetNode.log("undefined protocol", ConsoleColor.Red);
}
}
}
catch (Exception e)
{
NetNode.log("\nError sending signal: " + e.Message, ConsoleColor.Red);
Thread.Sleep(2000);
Environment.Exit(1);
}
}
