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

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/* 
 * 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.sdnwiselab.sdnwise.util.NodeAddress;
import org.graphstream.graph.Edge;
import org.graphstream.graph.Node;

/**
 * This class holds a org.graphstream.graph.Graph object which represent the
 * topology of the wireless sensor network. The method updateMap is invoked when
 * a message with topology updates is sent to the controller. This is a
 * graphical version of the NetworkGraph class.
 *
 * @author Sebastiano Milardo
 * @version 0.1
 */
public final class VisualNetworkGraph extends NetworkGraph {

    /**
     * This constructor returns the VisualNetworkGraph object. It requires a
     * time to live for each node in the network and a value representing the
     * RSSI resolution in order to consider a change of the RSSI value a change
     * in the network.
     *
     * @param timeout the time to live for a node in seconds
     * @param rssiResolution the RSSI resolution
     */
    public VisualNetworkGraph(int timeout, int rssiResolution) {
        super(timeout, rssiResolution);

        System.setProperty("org.graphstream.ui.renderer",
                "org.graphstream.ui.j2dviewer.J2DGraphRenderer");
        graph.addAttribute("ui.quality");
        graph.addAttribute("ui.antialias");
        graph.addAttribute("ui.stylesheet",
                "url(" + this.getClass().getResource("/style.css") + ")");
        graph.display(true);
    }

    @Override
    void setupNode(Node node, int batt, long now, int netId, NodeAddress addr) {
        super.setupNode(node, batt, now, netId, addr);
        node.addAttribute("ui.label", node.getId());
        node.changeAttribute("ui.style", "fill-color: rgb(0," + batt + ",0),rgb(0,0,0);");
    }

    @Override
    void updateNode(Node node, int batt, long now) {
        super.updateNode(node, batt, now);
        node.changeAttribute("ui.style", "fill-color: rgb(0," + batt + ",0),rgb(0,0,0);");
    }

    @Override
    void setupEdge(Edge edge, int newLen) {
        super.setupEdge(edge, newLen);
        int w = 30 + Math.min((((Math.max(255 - newLen, 180)) - 180) * 3), 255);
        edge.changeAttribute("ui.style", "fill-color: rgba(0,0,0," + w + ");");
        edge.changeAttribute("ui.style", "arrow-shape: arrow;");
        edge.changeAttribute("ui.style", "arrow-size: 5px,2px;");
    }

    @Override
    void updateEdge(Edge edge, int newLen) {
        super.updateEdge(edge, newLen);
        int w = 30 + Math.min((((Math.max(255 - newLen, 180)) - 180) * 3), 255);
        edge.changeAttribute("ui.style", "fill-color: rgba(0,0,0," + w + ");");
    }
}