net.java

Network Administration Visualized 网络管理可视化源码

/*
 * $Id: Net.java 3859 2007-01-31 14:51:36Z mortenv $ 
 *
 * Copyright 2000-2005 Norwegian University of Science and Technology
 * 
 * This file is part of Network Administration Visualized (NAV)
 * 
 * NAV 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 2 of the License, or
 * (at your option) any later version.
 * 
 * NAV 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 NAV; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *
 * Authors: Kristian Eide <[e-mail]>
 */

import java.awt.Canvas;
import java.awt.Choice;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Polygon;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Stack;
import java.util.StringTokenizer;
import java.util.Vector;


class Net extends Canvas implements ItemListener
{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	// Config
	public static final boolean APPLY_LAST_BYNETT = true;
	public static final boolean APPLY_LAST_VLANV = true;

	Com com;
	Color color = Color.black;

	public static final int STRUKTUR_DONE = 0;
	public static final int LAST_DONE = 10;

	public static String netName;
	public static String netLink;
	public static String domainSuffix = "";

	// Denne styrer om vi har satt konfigurasjon
	public static boolean setConfig = false;

	int x = 10;
	int y = 10;

	int lastx = 0;
	int lasty = 0;

	Nettel visNettel = null;
	int visVlan = 0; // hvilket vlan det fokuseres på
	int visGruppe = -1; // hvilken gruppe det fokuseres på
	String visGruppeNavn = "";
	Hashtable gruppeIdMap = new Hashtable(); // Convert between gruppe navn and gruppe id (db)

	//Vector nettel;
	Vector group = new Vector();
	Hashtable nh = new Hashtable();
	Hashtable lh = new Hashtable();
	Hashtable gh = new Hashtable();

	Stack history = new Stack();

	Polygon backKnapp;

	// Layout
	LayoutNettel lnTop;
	LayoutNettel lnMiddle;
	LayoutNettel lnBottom;

	boolean needReset = true;
	boolean recordHistory = true;

	// Disse forteller i hvilken modus vi er i
	boolean vlanVandring = false;
	boolean bynettView = false;

	boolean hideCore = false;

	boolean error = false;
	String errorMsg;

	public static int FONT_SIZE = 20;
	//Font overskriftFont = new Font("Helvetica",Font.PLAIN, FONT_SIZE);
	Font overskriftFont = new Font("Arial",Font.BOLD, FONT_SIZE);
	String overskrift = "";
	String preHeader = "Traffic map: ";

	// Menyer
	PopupMenus vlanMenu;

	// statiske konstanter
	public static final int UPLINK = 0;
	public static final int HZLINK = 1;
	public static final int DNLINK = 2;

	public static final String gwMenuText[] = { "Device info", "Network Explorer", "CPU load", "Net-list" };
	public static final String swMenuText[] = { "Device info", "Network Explorer", "Backplane load" };
	public static final String linkMenuText[] = { "Load", "Packets", "Drops", "Errors" };
	public static final String linkGwMenuText[] = { "Load", "Packets", "Drops", "Errors", "|"};

	// Buffer drawing related variables
	private int bufferWidth;
	private int bufferHeight;
	private Image bufferImage;
	private Graphics bufferGraphics;

	// FIXME: Denne skal være dynamisk!
	//public static final String netNames[] = { "Bynett", "Kjernenett", "Testnett" };

	public Net(Com InCom)
	{
		com = InCom;

		Mouse mouse = new Mouse(com);
		MouseMove mv = new MouseMove(com);
		addMouseListener(mouse);
		addMouseMotionListener(mv);

		Input input = new Input(com);
		com.setInput(input);

		gruppeIdMap.put("", new Integer(0));

		PopupMenuListener pmListener = new PopupMenuListener(com);

		vlanMenu = new PopupMenus("VLAN_MENU", "Vlan menu", this, pmListener);
		PopupMenus gwMenu = new PopupMenus("RUTER_MENU", "Router menu", gwMenuText, this, pmListener);
		PopupMenus swMenu = new PopupMenus("SWITCH_MENU", "Switch menu", swMenuText, this, pmListener);
		PopupMenus linkMenu = new PopupMenus("LINK_MENU", "Link menu", linkMenuText, this, pmListener);
		PopupMenus linkGwMenu = new PopupMenus("LINK_GW_MENU", "Link Gw menu", linkGwMenuText, this, pmListener);

		com.setGwMenu(gwMenu);
		com.setSwMenu(swMenu);
		com.setLinkMenu(linkMenu);
		com.setLinkGwMenu(linkGwMenu);

		lnTop = new LayoutNettel(this, com.getTopScroll(), "up", com);
		lnMiddle = new LayoutNettel(this, com.getMidScroll(), "hz", com);
		lnBottom = new LayoutNettel(this, com.getBottomScroll(), "dn", com);
		//lnMiddle = new LayoutNettel(this, null, "hz", com);

	}

	public void buildBynett()
	{
		if (visGruppe < 0) {
			visGruppe = 0;
			visGruppeNavn = "";
		}
		com.d("Starter buildBynett(), gruppe " + visGruppe + " ("+visGruppeNavn+","+gruppeIdMap.get(visGruppeNavn)+")", 1);
		com.d("------------", 1);
		com.d("Blanker Nettel-hash", 1);

		// Tar bort scrollbarer
		com.getTopScroll().setVisible(false);
		com.getMidScroll().setVisible(false);
		com.getBottomScroll().setVisible(false);

		// Klargjør for å bygge opp "verden" på nytt
		com.d("Reseter group-vector", 1);
		nh.clear();
		lh.clear();
		group.removeAllElements();
		vlanVandring = false;
		bynettView = true;

		// Hent data
		int visGruppeId = ((Integer)gruppeIdMap.get(visGruppeNavn)).intValue();
		Hashtable h = com.getInput().getDefaultInput(visGruppeId);

		if (!setConfig) {
			Hashtable lConfig = (Hashtable)h.get("listConfig");
			setConfig(lConfig);
		}

		Hashtable lRouters = (Hashtable)h.get("listRouters");
		Hashtable lRouterLinks = (Hashtable)h.get("listRouterLinks");
		Hashtable lRouterLinkInfo = (Hashtable)h.get("listRouterLinkInfo");
		Hashtable lRouterGroups = (Hashtable)h.get("listRouterGroups");
		Hashtable lRouterXY = (Hashtable)h.get("listRouterXY");

		Hashtable lInGroup = new Hashtable();

		com.d("listRouters size: " + lRouters.size(), 2);
		com.d("listRouterLinks size: " + lRouterLinks.size(), 2);
		com.d("listRouterXY size: " + lRouterXY.size(), 2);

		if (visGruppe > 0)
		{
			// Bare ta med enheter som skal være med
			Hashtable tmp = new Hashtable();
			//Hashtable tmp2 = new Hashtable();
			String[] s = (String[])lRouterGroups.get(""+visGruppeId);
			for (int i = 4; i < s.length; i++) // Element 2 og 3 er X og Y for gruppen
			{
				// legg til enheten hvis den eksiterer
				if (!lRouters.containsKey(s[i])) continue;
				tmp.put(s[i], lRouters.get(s[i]) );
				lInGroup.put(s[i], lRouters.get(s[i]) );
				com.d("Added: " + s[i],2);
				// sjekk hvilke enheter denne enheten har linker til, og legg til dem
				String[] link = (String[])lRouterLinks.get(s[i]);
				for (int j = 1; j < link.length; j++)
				{
					String[] linkIdS = misc.tokenize(link[j], ",");
					String boksid = linkIdS[1];

					if (!lRouters.containsKey(boksid)) continue;
					tmp.put(boksid, lRouters.get(boksid) );
				}
			}
			// Så må vi søke gjennom alle stam||elink for å sjekke om noen av dem skal være med
			{
				Enumeration e = lRouterLinks.elements();
				while (e.hasMoreElements())
				{
					String[] link = (String[])e.nextElement();
					if (link[0].charAt(0) == '-')
					{
						// stam||elink
						for (int j = 1; j < link.length; j++)
						{
							String[] linkIdS = misc.tokenize(link[j], ",");
							String boksid = linkIdS[1];

							if (lInGroup.containsKey(boksid) && lRouters.containsKey(link[0]) )
							{
								tmp.put(link[0], lRouters.get(link[0]) );
								break;
							}
						}
					}
				}
			}
			lRouters = tmp;
		}

		// Legg til rutere
		Enumeration e = lRouters.elements();
		int topLayoutCnt=0;
		while (e.hasMoreElements()) {
			String[] s = (String[])e.nextElement();

			Nettel n = new Nettel(com, Integer.parseInt(s[0]), s[1], s[2], "1", 0);

			n.setDrawVlan(false);
			n.setHashKey(s[0]);
			nh.put(s[0], n);

			// Sett XY-koordinater
			String[] xy;

			if ( (xy = (String[])lRouterXY.get(s[0])) == null) {
				xy = new String[3];
				int[] topXY = topRowLayout(topLayoutCnt++);
				xy[1] = ""+topXY[0];
				xy[2] = ""+topXY[1];
			} else {
				n.locationSet();
			}
			n.setXY(Integer.parseInt(xy[1]), Integer.parseInt(xy[2]) );
			com.d("   " + s[0] + ", " + s[1] + ", type: " + s[2] + " ("+xy[1]+","+xy[2]+")", 3);
			//
		}

		// sett grupper
		e = lRouterGroups.elements();
		com.d("Antall ruter-grupper: " + lRouterGroups.size(), 2);
		while (e.hasMoreElements() && visGruppe == 0)
		{
			String[] s = (String[])e.nextElement();

			if (s.length <= 4 && !s[0].equals("0")) continue; // Det er ingen bokser i denne gruppen

			// Legg til gruppenavnet til GUI-menyen
			com.getLeft().addNettNavn(s[1]);
			com.d("Adding gruppeIdMap: " + s[1] + " -> " + s[0], 3);
			gruppeIdMap.put(s[1], new Integer(s[0]));
			if (s[0].equals("0")) {
				// Set global hideicons
				hideCore = Boolean.valueOf(s[4]).booleanValue();
				if (hideCore) {
					// Clear all core
					Enumeration ne = nh.elements();
					while (ne.hasMoreElements()) {
						Nettel n = (Nettel)ne.nextElement();
						if (n.isCore()) n.setVisible(false);
					}
				}
				continue; // Bynettet
			}

			Grp grp = new Grp(com, Integer.parseInt(s[0]), Boolean.valueOf(s[4]).booleanValue() );
			grp.setName(s[1]);
			grp.setIconName(s[5]);
			{
				int x = Integer.parseInt(s[2]);
				int y = Integer.parseInt(s[3]);
				if (x == 0 && y == 0) {
					// Pen layout på topp
					int[] topXY = topRowLayout(topLayoutCnt++);
					x = topXY[0];
					y = topXY[1];

				}
				grp.setXY(x, y);
			}
			group.addElement(grp);
			com.d("   Added group (" + s[0] + "): " + s[1] + ", at ("+s[2]+","+s[3]+"), hideicons: " + s[4], 4);


			for (int j = 4; j < s.length; j++)
			{
				if (!nh.containsKey(s[j])) continue;
				Nettel n = (Nettel)nh.get(s[j]);
				n.setGroupMember(true);
				n.setGroup(Integer.parseInt(s[0]) );
				grp.addMember(n);

				com.d("     grp " + s[0] + ": " + n.getName(), 5);
			}
			grp.autoLayout();
		}
		com.getLeft().addNettNavn(null); // Listen blir sortert og lukket
		setOverskrift(preHeader + com.getLeft().getNettNavn(visGruppe)); // Nå kan vi sette overskrift

		// legg til linker
		e = lRouterLinks.elements();
		com.d("Antall linker     : " + lRouterLinks.size(), 2);
		while (e.hasMoreElements())
		{
			String[] s = (String[])e.nextElement();

			if (!nh.containsKey(s[0])) {
				com.d("Error: Fant ikke boks med boksid: " + s[0], 3);
				continue;
			}
			Nettel n = (Nettel)nh.get(s[0]);

			com.d("  Legger til linker ut fra("+s[0]+"): " + n.getName() + " ("+(s.length-1)+" stk.)", 5);

			for (int j = 1; j < s.length; j++)
			{
				String[] linkIdS = misc.tokenize(s[j], ",");
				int linkId = Integer.parseInt(linkIdS[0] );
				int boksId = Integer.parseInt(linkIdS[1] );

				String[] linkInfo = (String[])lRouterLinkInfo.get(String.valueOf(linkId));
				Double capacity = Double.valueOf(linkInfo[1] );
				String ifName = (linkInfo.length >= 3) ? linkInfo[2] : "";

				if (!nh.containsKey(""+boksId)) continue;
				Nettel linkTo = (Nettel)nh.get(""+boksId);

				com.d("    Link til ("+boksId+"): " + linkTo.getName() + "(linkId: "+linkId+")", 6);

				// Dersom gruppe, sjekk om denne linken virkelig skal legges til
				if (visGruppe > 0 && !lInGroup.containsKey(""+n.getBoksid()) && !lInGroup.containsKey(""+linkTo.getBoksid()) ) continue;
				//com.d("from: " + n.getFullName() + " to: " + linkTo.getFullName() + " linkFrom: " + lInGroup.containsKey(""+n.getId()) + " linkTo: " + lInGroup.containsKey(""+linkTo.getId()),2);

				Link l;
				if (s[0].charAt(0) != '-')
				{
					// vanlig link
					l = n.addLink( linkTo, linkId, capacity.doubleValue(), -1, ifName );

				} else
				{
					if (hideCore && visGruppe == 0) continue;
					// stam||elink
					l = n.addLink( linkTo, linkId, capacity.doubleValue(), -1, ifName );
					//l.setOspf(linkInfo[8]);
					lh.put("-"+linkId, l);
					l = linkTo.addLink( n, linkId, capacity.doubleValue(), -1, ifName );
				}

				lh.put(""+linkId, l);
				//l.addIpRom(linkInfo[4], linkInfo[5], linkInfo[6], linkInfo[7] );
				//l.setOspf(linkInfo[8]);
			}
		}

		Hashtable lRouterText = (Hashtable)h.get("listBoksText");
		Hashtable lRouterLinkText = (Hashtable)h.get("listLinkText");

		if (APPLY_LAST_BYNETT) {
			applyLast(lRouterText, lRouterLinkText);
		}

		applyText(lRouterText, lRouterLinkText);
	}

	private synchronized void applyText(Hashtable lRouterText, Hashtable lRouterLinkText)
	{
		// Så legger vi til tekst for alle bokser
		String[] tList;
		int tcnt=0;
		//Hashtable lRouterText = (Hashtable)h.get("listBoksText");
		while ( (tList = (String[])lRouterText.get("t"+tcnt)) != null) {
			String text = tList[1];
			for (int i=2; i < tList.length; i++) {
				String[] data = (String[])lRouterText.get(tList[i]);
				if (data == null) {
					com.d("ERROR in buildBynett(), boksid "+tList[i]+" in t"+tcnt+" is not found in list, check vPServer", 2);
					continue;
				}
				Nettel n = (Nettel)nh.get(tList[i]);
				if (n == null) {
					com.d("ERROR in buildBynett(), could not find boks with id "+tList[i], 2);