public int getDevicePort(string device)
{
RouterConnection rc = new RouterConnection();
rc.getConnectedRouters();
return(rc.getDevicePort(device));
}
public string getPath()
{
string device = directory.getEdgeNode(source);
int port = getDevicePort(device);
RouterConnection rc = new RouterConnection();
string path = rc.sendToRouter(port, source, destination, connectionId);
return("");
}
public string getPath()
{
string device = directory.getEdgeNode(source);
int port = getDevicePort(device);
RouterConnection rc = new RouterConnection();
string path = rc.sendToRouter(port, source, destination, connectionId);
while (!checkIfPathComplete(path))
{
string lastNode = getLastPathElement(path);
string nextNCC = directory.getAdjacentSubnetwork(lastNode);
string adjacentSubnetworkPath = SendCallCoordinationRequest(lastNode, destination, throughput, Int32.Parse(nextNCC));
path += adjacentSubnetworkPath;
}
return(path);
}
private void run()
{
int byteREc = socket.Receive(bytes);
data = Encoding.ASCII.GetString(bytes, 0, byteREc);
Console.WriteLine(data);
if (data.IndexOf("CALL_REQUEST") > -1) // NCC receives from client a request to setup a connection with another client
{
CallRequest callRequest = new CallRequest(data, connectionId);
string r = callRequest.processCallRequest();
byte[] response = Encoding.UTF8.GetBytes(r);
socket.Send(response);
}
else if (data.IndexOf("CALL_COORDINATION_REQUEST") > -1) // NCC receives from adjacent CALL COORDINATION REQUEST to setup a connection between two clients
{
CallCoordinationRequest callCoordinationRequest = new CallCoordinationRequest(data, connectionId);
string path = callCoordinationRequest.getPath();
if (path != "")
{
byte[] response = callCoordinationRequest.getCallCoordinationResponse(path);
socket.Send(response);
}
else
{
string msg = "CONNECTION FAILED";
byte[] message = Encoding.UTF8.GetBytes(msg);
socket.Send(message);
}
}
else if (data.IndexOf("CONNECT") > -1) // NCC receives from a router a HELLO message with its name and listening port
{
string[] smsg = data.Split(' ');
RouterConnection routerConnection = new RouterConnection();
routerConnection.setRouterDetails(smsg[2], smsg[4]);
routerConnection.getConnectedRouters();
routerConnection.updateConnectedRouters();
}
else if (data.Contains("RESOURCE_ALLOCATION_COORDINATION")) // NCC receives from adjacent NCC a request to allocate resources for a connection
{
ResourceAllocationCoordination rac = new ResourceAllocationCoordination();
}
}