private void listenForNCC()
{
listenerNCC.Start();
clientNCC = listenerNCC.AcceptTcpClient();
writerNCC = new BinaryWriter(clientNCC.GetStream());
readerNCC = new BinaryReader(clientNCC.GetStream());
UserInterface.log("Connection successfully established with NCC.", ConsoleColor.Green);
try
{
while (true)
{
string received_data = readerNCC.ReadString();
JSON received_object = JSON.Deserialize(received_data);
ManagmentProtocol received_Protocol = received_object.Value.ToObject <ManagmentProtocol>();
if (received_Protocol.State == ManagmentProtocol.SOFTPERNAMENT)
{
Console.WriteLine("Received signal from NCC connection: " + received_Protocol.Name + " " + received_Protocol.NodeEnd);
ManagementPlane.conn.Add(received_Protocol.Name, received_Protocol.NodeEnd);
}
else
{
Console.WriteLine("Signal from management: undefined protocol", ConsoleColor.Red);
}
}
}
catch (Exception e)
{
Console.WriteLine("\nError sending signal: " + e.Message, ConsoleColor.Red);
Thread.Sleep(2000);
Environment.Exit(1);
}
}
public void sendInfoToOtherNcc(List <int> nccPorts)
{
ManagmentProtocol toSend = new ManagmentProtocol();
toSend.State = ManagmentProtocol.TOOTHERNCC;
toSend.ConnectionToOtherNcc = nccPorts;
string data = JSON.Serialize(JSON.FromValue(toSend));
Thread threadManagement = new Thread(new ParameterizedThreadStart(tryToSendData));
threadManagement.Start(data);
}
public void sendSoftPernament(String start, String end, int speed)
{
ManagmentProtocol toSend = new ManagmentProtocol();
toSend.State = ManagmentProtocol.SOFTPERNAMENT;
toSend.NodeStart = start;
toSend.NodeEnd = end;
toSend.Speed = speed;
string data = JSON.Serialize(JSON.FromValue(toSend));
writerNCC.Write(data);
}
public void sendReleaseSoftPernament(String connection)
{
ManagmentProtocol toSend = new ManagmentProtocol();
toSend.State = ManagmentProtocol.RELEASESOFTPERNAMENT;
int i = 0;
int.TryParse(connection, out i);
toSend.Connection = i;
string data = JSON.Serialize(JSON.FromValue(toSend));
writerNCC.Write(data);
}
private static void ListenThread(Object threadPasser)
{
ThreadPasser tp = (ThreadPasser)threadPasser;
TcpClient clienttmp = tp.client;
BinaryWriter writer = new BinaryWriter(clienttmp.GetStream());
ManagmentProtocol toSend = new ManagmentProtocol();
toSend.State = ManagmentProtocol.WHOIS;
string data = JSON.Serialize(JSON.FromValue(toSend));
writer.Write(data);
BinaryReader reader = new BinaryReader(clienttmp.GetStream());
string received_data = reader.ReadString();
JSON received_object = JSON.Deserialize(received_data);
ManagmentProtocol received_Protocol = received_object.Value.ToObject <ManagmentProtocol>();
String nodeName = received_Protocol.Name;
tp.management.allocateNode(nodeName, clienttmp, Thread.CurrentThread, writer);
try
{
while (true)
{
received_data = reader.ReadString();
received_object = JSON.Deserialize(received_data);
received_Protocol = received_object.Value.ToObject <ManagmentProtocol>();
if (received_Protocol.State == ManagmentProtocol.INTERFACEINFORMATION)
{
UserInterface.showInterfaces(received_Protocol.Interfaces);
}
if (received_Protocol.State == ManagmentProtocol.GETTABLE)
{
UserInterface.showTable(received_Protocol.RoutingTable);
}
}
}
catch (SocketException e)
{
UserInterface.log("Error: " + e.Message, ConsoleColor.Red);
tp.management.removeNode(nodeName);
}
catch (IOException e)
{
UserInterface.log("Error: " + e.Message, ConsoleColor.Red);
tp.management.removeNode(nodeName);
}
}
internal void sendAllClients(List <string> list)
{
Dictionary <string, int> allClients = new Dictionary <string, int>();
int i = 0;
foreach (String s in list)
{
allClients.Add(s, i++);
log(s, ConsoleColor.Cyan);
}
foreach (Node n in nodeList)
{
Address a = new Address(n.Name);
if (a.type.Equals(192))
{
ManagmentProtocol toSend = new ManagmentProtocol();
toSend.State = ManagmentProtocol.POSSIBLEDESITATIONS;
toSend.PossibleDestinations = allClients;
string data = JSON.Serialize(JSON.FromValue(toSend));
n.SocketWriter.Write(data);
}
}
}
private void Listen()
{
try
{
client = new TcpClient("127.0.0.1", this.port);
BinaryReader reader = new BinaryReader(client.GetStream());
writer = new BinaryWriter(client.GetStream());
while (true)
{
string received_data = reader.ReadString();
JSON received_object = JSON.Deserialize(received_data);
Management.ManagmentProtocol received_Protocol = received_object.Value.ToObject <Management.ManagmentProtocol>();
if (received_object.Type == typeof(Management.ManagmentProtocol))
{
Management.ManagmentProtocol management_packet = received_object.Value.ToObject <Management.ManagmentProtocol>();
if (management_packet.State == Management.ManagmentProtocol.TOOTHERNCC)
{
foreach (int port in management_packet.ConnectionToOtherNcc)
{
TcpClient connection = new TcpClient("127.0.0.1", port);
ControlConnectionService service = new ControlConnectionService(connection, control);
Thread.Sleep(500);
ControlPacket packetToNCC = new ControlPacket(ControlInterface.NETWORK_CALL_COORDINATION_IN, ControlPacket.IN_PROGRESS, 0, "", "", control.domainNumber);
service.send(packetToNCC);
}
}
else if (management_packet.State == Management.ManagmentProtocol.SOFTPERNAMENT)
{
control.consoleWriter("[NCC <- Management] Soft pernament from " + management_packet.NodeStart + " to " + management_packet.NodeEnd);
int RequestID = control.generateRequestID();
Address address = new Address(management_packet.NodeStart);
int cpccID = address.type + address.domain + address.subnet + address.space;
control.addCpccRequest(RequestID, cpccID);
ControlPacket packetToCPCC = new ControlPacket(ControlInterface.CALL_INDICATION_CPCC, ControlPacket.IN_PROGRESS, management_packet.Speed, management_packet.NodeEnd, management_packet.NodeStart, RequestID);
packetToCPCC.Vc11 = 1;
packetToCPCC.Vc12 = 1;
packetToCPCC.Vc13 = 1;
ControlConnectionService cpccService = control.getCpccServiceByAddr(management_packet.NodeEnd);
cpccService.send(packetToCPCC);
control.consoleWriter("[NCC -> CPCC] Send Call Indication");
}
else if (management_packet.State == Management.ManagmentProtocol.RELEASESOFTPERNAMENT)
{
int id = management_packet.Connection;
control.consoleWriter("[NCC <- CPCC] Call release id: " + id);
if (!control.checkIfInterdomainRequest(id))
{
control.consoleWriter("[NCC -> CC]Send connection release");
CCtoNCCSingallingMessage packetToCC = new CCtoNCCSingallingMessage();
packetToCC.State = CCtoNCCSingallingMessage.NCC_RELEASE_WITH_ID;
packetToCC.RequestID = id;
ControlConnectionService CCService = control.getCCService();
CCService.sendCCRequest(packetToCC);
}
else
{
control.consoleWriter("[NCC -> CC]Send connection release");
CCtoNCCSingallingMessage packetToCC = new CCtoNCCSingallingMessage();
packetToCC.State = CCtoNCCSingallingMessage.NCC_RELEASE_WITH_ID;
packetToCC.RequestID = id;
ControlConnectionService CCService = control.getCCService();
CCService.sendCCRequest(packetToCC);
}
}
}
}
}
catch (SocketException e)
{
}
catch (IOException e)
{
Thread.Sleep(1000);
Environment.Exit(1);
}
}
