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• ControllerSocketIo.java

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com.github.sdnwiselab.sdnwise.controller.ControllerSocketIo Maven / Gradle / Ivy

/* 
 * Copyright (C) 2015 SDN-WISE
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package com.github.sdnwiselab.sdnwise.controller;

import com.github.nkzawa.emitter.Emitter;
import com.github.nkzawa.socketio.client.IO;
import com.github.nkzawa.socketio.client.Socket;
import com.github.sdnwiselab.sdnwise.flowtable.FlowTableAction;
import com.github.sdnwiselab.sdnwise.flowtable.FlowTableEntry;
import com.github.sdnwiselab.sdnwise.flowtable.FlowTableStats;
import com.github.sdnwiselab.sdnwise.flowtable.FlowTableWindow;
import com.github.sdnwiselab.sdnwise.topology.SocketIoNetworkGraph;
import com.github.sdnwiselab.sdnwise.util.NodeAddress;
import java.net.URISyntaxException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * This class manages event with SocketIO and communication with Node.js Server.
 * 
 * @author Sebastiano Milardo
 */
public class ControllerSocketIo {

    private Controller controller;
    private Socket socket;

    /**
     * Constructor Method for this Class.
     * 
     * @param ctr The Controller manages event with SocketIO.
     * @param address String Address to create a connection.
     */
    public ControllerSocketIo(Controller ctr, String address) {
        this.controller = ctr;

        socket = null;
        try {
            socket = IO.socket(address);
            socket.on(Socket.EVENT_CONNECT, new Emitter.Listener() {
                @Override
                public void call(Object... args) {
                    socket.emit("subscribeAsControllerGui");
                }

            }).on("requestTable", new Emitter.Listener() {

                @Override
                public void call(Object... args) {

                    String[] idArray = ((String) args[0]).split("\\.");
                    byte netId = (byte)Integer.parseInt(idArray[0]);
                    NodeAddress addr = new NodeAddress(idArray[1] + "." + idArray[2]);
                    List fTable = controller.getRules(netId, addr);

                    String flowTableHtml = "\n"
                            + "			  \n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "			  "
                            + " \n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "				\n"
                            + "			  ";

                    StringBuilder sb = new StringBuilder(flowTableHtml);
                    int j = 0;
                    for (FlowTableEntry ft : fTable) {
                        if (ft != null && ft.getWindow()[0].getOperator() != 0) {
                            j++;
                            sb.append(convertFlowTableEntryToHtml(ft, (j % 2 == 0) ? "even" : "odd"));
                        }
                    }
                    sb.append("
Matching Rule
Matching Rule
Matching Rule
Action
Statistics
Location
Offset
Size
Operator
Value
Location
Offset
Size
Operator
Value
Location
Offset
Size
Operator
Value
Type
Location
Offset
Value
MultiMatch
TTL
Count
");

                    socket.emit("receiveTable", args[0], args[1], sb.toString());
                }

            }).on("requestSettings", new Emitter.Listener() {

                @Override
                public void call(Object... args) {

                    String[] idArray = ((String) args[0]).split("\\.");
                    byte netId = (byte)Integer.parseInt(idArray[0]);
                    NodeAddress addr = new NodeAddress(idArray[1] + "." + idArray[2]);

                    String flowTableHtml = ""
                            + ""
                            + "	"
                            + ""
                            + ""
                            + ""
                            + "	"
                            + ""
                            + ""
                            + ""
                            + "	"
                            + ""
                            + ""
                            + ""
                            + "	"
                            + ""
                            + ""
                            + "";

                    StringBuilder sb = new StringBuilder(flowTableHtml);

                    sb.append("
Beacon Period
" + controller.getNodeBeaconPeriod(netId, addr) + "
s
Report Period
" + controller.getNodeReportPeriod(netId, addr) + "
s
TTL Max
" + controller.getNodeTtlMax(netId, addr) + "
n. of hops
RSSI Min
" + controller.getNodeRssiMin(netId, addr) + "
dBm
");

                    socket.emit("receiveSettings", args[0], args[1], sb.toString());
                }

            }).on(Socket.EVENT_DISCONNECT, new Emitter.Listener() {

                @Override
                public void call(Object... args) {
                    socket.emit("unsubscribeAsControllerGui");
                }
            });
            socket.connect();

        } catch (URISyntaxException ex) {
            Logger.getLogger(SocketIoNetworkGraph.class.getName()).
                    log(Level.SEVERE, null, ex);
        }
    }

    /**
     * This method is used to Convert FlowTableEntry in HTML code.
     * 
     * @param ft FlowTableEntry to represent.
     * @param parity string value to identify odd or even value of the 
     * FlowTableEntry.
     * @return string value of FlowTableEntry in HTML.
     */
    public String convertFlowTableEntryToHtml(FlowTableEntry ft, String parity) {
        StringBuilder row = new StringBuilder("");
        for (FlowTableWindow w : ft.getWindow()) {
            row.append("").append(w.getMemoryToString()).append("");
            row.append("").append(w.getAddressToString()).append("");
            row.append("").append(w.getSizeToString()).append("");
            row.append("").append(w.getOperatorToString()).append("");
            row.append("").append(w.getValueToString()).append("");
        }

        FlowTableAction fa = ft.getAction();
        row.append("").append(fa.getTypeToString()).append("");
        row.append("").append(fa.getMemoryToString()).append("");
        row.append("").append(fa.getAddressToString()).append("");
        row.append("").append(fa.getValueToString()).append("");
        row.append("").append(fa.getMultimatch()).append("");

        FlowTableStats fs = ft.getStats();
        row.append("").append(fs.getTtl()).append("");
        row.append("").append(fs.getCounter()).append("");
        row.append("");
        return row.toString();
    }
}