public void SendCallAcceptResponse(String hostXName, String hostYName, String speed, bool response)
{
string message = "component:NCC;name:CallAcceptResponse;routerX:" + hostXName + ";routerY:" + hostYName + ";speed:" + speed + ";succeeded:" + response.ToString();
SendMessage(message);
GUIWindow.PrintLog("NCC: Sent CallAcceptResponse(" + hostXName + ", " + hostYName + ", " + speed + " Gb/s) to NCC : " + (response ? "OK" : "DENIED"));
}
public void SendCallTeardownCPCC(String hostXName, String hostYName, int connectionID)
{
string message = "component:NCC;name:CallTeardownCPCC;hostX:" + hostXName + ";hostY:" + hostYName + ";connectionID:" + connectionID;
SendMessage(message);
GUIWindow.PrintLog("CPCC: Sent CallTeardownCPCC(" + hostXName + ", " + hostYName + ", " + connectionID + ") to NCC");
GUIWindow.LockSendingMessages();
}
public void SendCallRequest(String myHostName, String targetHostName, int linkSpeed)
{
lastTargetHostName = targetHostName;
string message = "component:NCC;name:CallRequest;hostX:" + myHostName + ";hostY:" + targetHostName + ";speed:" + linkSpeed;
SendMessage(message);
GUIWindow.PrintLog("CPCC: Sent CallRequest(" + myHostName + ", " + targetHostName + ", " + linkSpeed + " Gb/s) to NCC");
}
static void Main(string[] args)
{
args = Environment.GetCommandLineArgs();
new Thread(() => {
Thread.Sleep(1000);
try {
lock (Program.waiterConfig) {
//Monitor.Wait(Program.waiterConfig);
//String config = String.Concat(File.ReadAllLines("./../../../../sharedResources/tsst_config.xml"));
//ConfigLoader.LoadConfig(config, "1");
String config = String.Concat(File.ReadAllLines(args[1]));
ConfigLoader.LoadConfig(config, args[2]);
lock (Program.waiterManagement) {
Monitor.Pulse(Program.waiterManagement);
}
}
} catch (Exception e) {
GUIWindow.PrintLog(e.StackTrace);
}
}).Start();
new Thread(() => {
lock (Program.waiterManagement) {
Monitor.Wait(Program.waiterManagement);
}
new ManagementCenterConnection();
}).Start();
new Thread(() => {
lock (Program.waiterCloud){
Monitor.Wait(Program.waiterCloud);
}
cloudConnection = new CloudConnection();
}).Start();
new Thread(() => {
Thread.Sleep(2500);
/*lock (Program.waiterCloud) {
* Monitor.Wait(Program.waiterCloud);
* }*/
cpcc = new CPCC();
}).Start();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new GUIWindow());
}
public static void SendMessage(int connectionID, String message, String destinationName)
{
if (connected)
{
//nie wiem czy destination jeszcze wgl potrzebne do czegokolwiek
Frame frame = new Frame(ClientIP, ClientPort, destinationName, 50000, connectionID, message);
byte[] bytes = SerializeObject(frame);
stream.Write(bytes, 0, bytes.Length);
GUIWindow.PrintLog("Message " + "\"" + message + "\"" + " sent to " + destinationName);
}
else
{
GUIWindow.PrintLog("Connect with Cloud to send a message...");
}
}
public CPCC()
{
try {
TcpClient tcpClient = new TcpClient("localhost", centerPort);
stream = tcpClient.GetStream();
reader = new StreamReader(stream);
writer = new StreamWriter(stream);
GUIWindow.PrintLog("Connection with Control Center has been established");
GUIWindow.PrintLog("Sent registration request to Control Center");
SendRegistrationRequest();
new Thread(ReceiveMessages).Start();
} catch (SocketException se) {
GUIWindow.PrintLog("Connection with Control Center has NOT been established");
GUIWindow.PrintLog(se.Message);
}
}
public CloudConnection()
{
try {
TcpClient tcpClient = new TcpClient("localhost", CloudPort);
stream = tcpClient.GetStream();
connected = true;
GUIWindow.PrintLog("Connection with Cloud has been established");
SendRegistrationRequest();
GUIWindow.PrintLog("Sent registration request to Cloud");
new Thread(ReceiveMessages).Start();
}
catch (SocketException) {
GUIWindow.PrintLog("Connection with Cloud has NOT been established :(");
connected = false;
}
}
private void RecieveRegistrationInfo()
{
//for (int i = 0; i < 2; i++) {
try {
string msg = reader.ReadLine();
string[] parameters = msg.Split(':');
if (parameters[0].Equals("REGISTRATION") && parameters[1].Equals("OK"))
{
GUIWindow.PrintLog("Managment Center accepted registration request");
}
else
{
GUIWindow.PrintLog("Managment Center denied registration request");
}
} catch (IOException e) {
GUIWindow.PrintLog(e.Message);
}
//}
}
private void ManageCall(bool enableDestinationRestrain)
{
switch (ToggleButton.Text)
{
case "CALL":
ReturnWindowParams();
if (enableDestinationRestrain && (Destination.Text.Length == 0 || requestedBandwidth == 0))
{
GUIWindow.PrintLog("Destination name and throughput must not be empty!");
break;
}
Program.cpcc.SendCallRequest("Host" + ConfigLoader.nodeID, Destination.Text, requestedBandwidth);
break;
case "END":
Program.cpcc.SendCallTeardownCPCC("Host" + ConfigLoader.nodeID, CPCC.cachedDestination, CPCC.connectionID);
break;
}
}
private void ReceiveMessages()
{
GUIWindow.PrintLog("Listening for Cloud messages...");
while (true)
{
try {
byte[] receivedBuffer = new byte[8192];
try {
stream.Read(receivedBuffer, 0, receivedBuffer.Length);
} catch {
break;
}
Frame frame = (Frame)DeserializeObject(receivedBuffer);
CPCC.connectionID = frame.ConnectionID;
GUIWindow.PrintLog(GetMessageFromFrame(frame));
} catch (IOException ex) {
GUIWindow.PrintLog(ex.Message);
}
}
}
//private static ushort ClientPort = 50000;
//private static string ClientIP = "160.0.0.50";
public ManagementCenterConnection()
{
try {
TcpClient tcpClient = new TcpClient("localhost", centerPort);
stream = tcpClient.GetStream();
reader = new StreamReader(stream);
writer = new StreamWriter(stream);
GUIWindow.PrintLog("Connection with Management Center has been established");
GUIWindow.PrintLog("Sent registration request to Management Center");
SendRegistrationRequest();
RecieveRegistrationInfo();
lock (Program.waiterCloud) {
Monitor.Pulse(Program.waiterCloud);
}
//new Thread(ReceiveDataFromManagementCenter).Start();
} catch (SocketException) {
GUIWindow.PrintLog("Connection with Management Center has NOT been established");
}
}
private void ReceiveMessages()
{
try {
while (true)
{
string message = reader.ReadLine();
string[] pieces = message.Split(';');
Dictionary <string, string> data = new Dictionary <string, string>();
foreach (string piece in pieces)
{
string[] keyAndValue = piece.Split(':');
data.Add(keyAndValue[0], keyAndValue[1]);
}
switch (data["component"])
{
case "CPCC":
switch (data["name"])
{
case "CallRequestResponse":
if (Convert.ToBoolean(data["succeeded"]))
{
//zapisujemy ID i pozwalamy wysylac wiadomosci
GUIWindow.UnlockSendingMessages();
GUIWindow.PrintLog("CPCC: Received CallRequestResponse(SUCCESSFUL, connectionID = " + data["connectionID"] + ") from NCC");
connectionID = Convert.ToInt32(data["connectionID"]);
}
else
{
GUIWindow.PrintLog("CPCC: Received CallRequestResponse(UNSUCCESSFUL) from NCC");
lastTargetHostName = null;
}
break;
case "CallAccept":
GUIWindow.PrintLog("CPCC: Received CallAccept(" + data["routerX"] + ", " + data["routerY"] + ", " + data["speed"] + " Gb/s) from NCC");
string msg = "Incomming call received from " + data["routerX"] + "\nDo you want to accept it?";
string caption = "Call incoming to " + data["routerY"];
var dialogresult = MessageBox.Show(msg, caption,
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (dialogresult == DialogResult.Yes)
{
cachedDestination = data["routerX"];
SendCallAcceptResponse(data["routerX"], data["routerY"], data["speed"], true);
}
else if (dialogresult == DialogResult.No)
{
SendCallAcceptResponse(data["routerX"], data["routerY"], data["speed"], false);
}
break;
case "CallTeardownCPCC":
GUIWindow.PrintLog("CPCC: Received CallTeardownCPCC(" + data["connectionID"] + ") from NCC");
GUIWindow.PrintLog("CPCC: Sent CallTeardownCPCCResponse(" + data["connectionID"] + ") to NCC : OK");
message = "component:NCC;name:CallTeardownCPCCResponse;connectionID:" + connectionID;
SendMessage(message);
GUIWindow.LockSendingMessages();
GUIWindow.instance.GetToggleButton().Enabled = true;
break;
case "CallConfirmation":
if (!Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("CPCC: Received CallConfirmation(SUCCEEDED: false) from NCC");
}
else
{
GUIWindow.ManageCallButton(false);
GUIWindow.ManageMessageBox(true);
GUIWindow.ManageSendButton(true);
connectionID = Convert.ToInt32(data["connID"]);
GUIWindow.SetDestinationValue(cachedDestination);
GUIWindow.PrintLog("CPCC: Received CallConfirmation(SUCCEEDED: true, connectionID: " + data["connID"] + ") from NCC");
}
GUIWindow.PrintLog("CPCC: Sent CallConfirmationResponse() to NCC");
SendMessage("component:NCC;name:CallConfirmationResponse;sender:CPCC;IDC:" + data["IDC"]);
break;
}
break;
case "NONE":
switch (data["name"])
{
case "RegistrationResponse":
if (Convert.ToBoolean(data["succeeded"]))
{
GUIWindow.PrintLog("Control Center confirmed registration");
}
else
{
GUIWindow.PrintLog("Control Center denied registration");
}
break;
}
break;
}
}
}
catch (Exception ex) {
GUIWindow.PrintLog(ex.StackTrace);
GUIWindow.PrintLog(ex.Message);
}
}
public static readonly LinkedList <Tuple <int, String, int, int> > otherHosts = new LinkedList <Tuple <int, String, int, int> >(); //ID|IP|PORT
//public static readonly LinkedList<Tuple<int, String, int, int, int>> otherAvailableHosts = new LinkedList<Tuple<int, String, int, int,>>(); //ID|IP|PORT|LABEL
public static void LoadConfig(string file, string id)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(file);
XmlElement root = doc.DocumentElement;
XmlNodeList hostNodesList = root.SelectNodes("/config/hosts/host");
XmlNodeList controlCenterList = root.SelectNodes("/config/control-centers/control-center");
//XmlNodeList otherHostsNodesList = root.SelectNodes("/config/management-center/hosts-config/host-possible-destinations");
nodeID = Int32.Parse(id);
foreach (XmlNode node in hostNodesList)
{
if (nodeID == Int32.Parse(node.Attributes["id"].Value))
{
asID = Int32.Parse(node.Attributes["as-id"].Value);
routerID = Int32.Parse(node.Attributes["router-id"].Value);
ip = node.SelectSingleNode("host-ip").InnerText;
port = Int32.Parse(node.SelectSingleNode("host-port").InnerText);
foreach (XmlNode n in controlCenterList)
{
if (Int32.Parse(n.Attributes["id"].Value) == asID)
{
ccPort = Int32.Parse(n.Attributes["listening-port"].Value);
break;
}
}
}
else
{
otherHosts.AddLast(new Tuple <int, String, int, int>(Int32.Parse(node.Attributes["id"].Value), node.SelectSingleNode("host-ip").InnerText, Int32.Parse(node.SelectSingleNode("host-port").InnerText), Int32.Parse(node.Attributes["as-id"].Value)));
}
}
/*
* //inne hosty i ich etykiety
* foreach (XmlNode n in otherHostsNodesList) {
* if (int.Parse(n.Attributes["host-id"].Value) == nodeID) {
* XmlNodeList list = n.SelectNodes("host-possible-destination");
*
* foreach (XmlNode hostNode in list) {
* int label = Int32.Parse(hostNode.Attributes["label"].Value);
*
* foreach (Tuple<int,string,int> t in otherHosts) {
* if (int.Parse(hostNode.Attributes["destination-host-id"].Value) == t.Item1) {
*
* otherAvailableHosts.AddLast(new Tuple<int,string,int,int>(t.Item1, t.Item2, t.Item3, label));
* break;
* }
* }
* }
* break;
* }
* }
*/
CloudConnection.ClientIP = ip + "/24";
CloudConnection.ClientPort = (ushort)port;
CloudConnection.asID = asID;
GUIWindow.PrintLog("Config loaded: " + id + "|" + ip + "|" + port);
GUIWindow.ChangeWindowName("Host" + nodeID);
//GUIWindow.AddDestinations();
GUIWindow.ChangeIP(ip);
}