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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-30 02:36:15 +02:00
openwrt-xburst/openwrt/package/wiviz/files/www/wiviz/wiviz.js
nbd 2346e8fd14 add Wi-viz
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1785 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-08-29 11:30:35 +00:00

292 lines
8.0 KiB
JavaScript
Executable File

/*
This file is part of Wi-viz (http://wiviz.natetrue.com).
Wi-viz is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License v2 as published by
the Free Software Foundation.
Wi-viz 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 Wi-viz; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
var mv = 353;
var stupid = eval('window.attachEvent') ? 1 : 0;
var hosts;
var idle_timeout = 20;
var erase_timeout = 35;
var skew_x = 0; skew_y = 0;
var listening = 1;
var wiviz_cgi_url = "/cgi-bin/wiviz/get.cgi";
//What? You mean the POSIX thread API hasn't been ported to Javascript? Bugger.
function scan_thread() {
var loc = document.getElementById('wivizGetFrame').contentWindow.location;
if (!listening) return;
if (loc.href != wiviz_cgi_url) {
loc.replace(wiviz_cgi_url);
}
else {
loc.reload(true);
}
setTimeout("scan_thread()", 5000);
}
function toggleListen() {
statusel = document.getElementById('status');
statusbutton = document.getElementById('togglelisten');
listening = 1 - listening;
if (listening) {
statusel.innerHTML = "Monitoring";
statusbutton.value = "Stop monitoring";
document.getElementById('content').innerHTML = '';
scan_thread();
}
else {
statusel.innerHTML = "Stopped";
statusbutton.value = "Start monitoring";
}
}
function channelSet() {
channelset = document.getElementById('channelsel').value;
if (channelset == 'hop') {
document.getElementById('hopoptions').style.display = 'inline';
}
else {
document.getElementById('hopoptions').style.display = 'none';
if (channelset != 'nochange') document.forms[0].submit();
}
}
function mousenter(e) {
if (stupid) e = event;
el = stupid ? e.srcElement : e.currentTarget;
el.parentNode.parentNode.className = 'hostdiv_hov';
el.nextSibling.nextSibling.nextSibling.style.visibility = 'visible';
}
function mouseout(e) {
if (stupid) e = event;
el = stupid ? e.srcElement : e.currentTarget;
el.parentNode.parentNode.className = 'hostdiv';
el.nextSibling.nextSibling.nextSibling.style.visibility = 'hidden';
}
function generate_mnemonic(hash) {
c = new Array('b','c','d','f','g','h','j','k','l','m','n','p','qu','r','s',
't','v','w','y','z','th','ch','sh','cc','rr');
v = new Array('a','e','i','o','u','ae','ai','ao','au','eo','ei','eu','iu','oa','oe');
var i, a;
var p = hash & 1;
var n = '';
for (i = 0; i < 4; i++) {
a = p ? c : v;
n += a[hash % a.length];
hash += a.length << 3 + a.length / 2;
hash *= hash;
p = 1 - p;
}
return n;
}
function mkhash(mac) {
var macarr = mac.split(/:/);
var hash = 0;
for (j = 0; j < 6; j++) {
hash += parseInt(macarr[j]) * j << j;
hash += 11;
}
if (hash < 0) hash = -hash;
return hash;
}
function wiviz_callback(mhosts, cfgstring) {
var nh = '';
hosts = mhosts;
for (i = 0; i < hosts.length; i++) {
hs = hosts[i];
if (hs.length == 0) break;
hs.mac = hs[0];
hs.rssi = hs[1];
hs.desc = hs[2];
hs.descarr = hs.desc.split(/-/)
hs.age = hs[3];
hs.hash = mkhash(hs.mac);
hs.mnem = generate_mnemonic(hs.hash)
hs.name = hs.mnem;
el = document.getElementById(hs.mnem);
if (el) {
if (hs.age > erase_timeout) {
el.parentNode.removeChild(el);
continue;
}
el.innerHTML = genHTML(hs);
}
else {
if (hs.age > erase_timeout) continue;
hs.x = Math.sin(hs.hash / mv) * hs.rssi * 2 - 67;
hs.y = Math.cos(hs.hash / mv) * hs.rssi * 2;
nh += "<div class='hostdiv' id='" + hs.mnem + "' style='top: ";
nh += parseInt(hs.y) + "px; left: " + parseInt(hs.x) + "px'>";
nh += genHTML(hs) + "</div>";
}
}
document.getElementById('content').innerHTML += nh;
cfgarr = cfgstring.split(/-/);
if (cfgarr[1]) {
if (cfgarr[1] == 'hopping') cfgarr[1] = 'hop';
document.getElementById('channelsel').value = cfgarr[1];
if (cfgarr[1] == 'hop') channelSet();
}
//repip();
setTimeout("declump(); repip();", 250);
}
function repip() {
var nh = "";
if (!hosts) return;
for (i = 0; i < hosts.length; i++) {
hs = hosts[i];
if (hs.length == 0) break;
mac = hs[0];
rssi = hs[1];
desc = hs[2].split(/-/);
if (desc[0] == 'sta' && desc[1] == 'assoc') {
bss = desc[2];
hs.apmnem = generate_mnemonic(mkhash(bss));
ap = document.getElementById(hs.apmnem);
sta = document.getElementById(hs.mnem);
if (ap && sta) {
x = parseInt(sta.style.left);
y = parseInt(sta.style.top);
dx = parseInt(ap.style.left) - x;
dy = parseInt(ap.style.top) - y;
x += 67;
y += 10;
d = Math.sqrt(dx*dx+dy*dy);
for (j = 0; j < d; j += 15) {
nh += "<img src='"
+ ((hs.age < idle_timeout) ? "pip" : "pip-idle")
+ (stupid ? ".gif" : ".png")
+ "' class='pip' style='top:"
+ parseInt(y+dy * j / d) + "; left:"
+ parseInt(x+dx * j / d) + "'>";
}
}
}
}
document.getElementById('pips').innerHTML = nh;
}
function declump() {
var c = 0;
var top = 30000,left = 30000,right = -30000,bottom = -30000;
for (i = 0; i < hosts.length; i++) {
for (j = 0; j < hosts.length; j++) {
if (i == j) continue;
e1 = document.getElementById(hosts[i].mnem);
e2 = document.getElementById(hosts[j].mnem);
if (!e1 || !e2) continue;
x1 = parseInt(e1.style.left);
x2 = parseInt(e2.style.left);
y1 = parseInt(e1.style.top);
y2 = parseInt(e2.style.top);
if (x1 < left) left = x1;
if (y1 < top) top = y1;
if (x1 > right) right = x1;
if (y1 > bottom) bottom = y1;
ox = x2;
oy = y2;
dist = Math.sqrt(Math.pow((x1-x2), 2) + Math.pow((y1-y2), 2));
if (dist == 0) {
x2 += Math.random() * 5;
y2 += Math.random() * 5;
dist = 10;
}
if (dist < 100) {
cx = (x1-x2) * 5 / (dist / 3);
cy = (y1-y2) * 5 / (dist / 3);
x2 -= cx;
y2 -= cy;
}
if (hosts[j].apmnem == hosts[i].mnem
|| hosts[i].apmnem == hosts[j].mnem) {
cx = (x1-x2) * 5 / (dist / 3);
cy = (y1-y2) * 5 / (dist / 3);
if (dist > 150) {
x2 += cx;
y2 += cy;
}
}
if (Math.abs(ox-x2) > 2 || Math.abs(oy-y2) > 2) {
e2.style.left = parseInt(x2);
e2.style.top = parseInt(y2);
c++;
}
}
}
if (top < bottom && left < right) {
document.getElementById('debug').innerHTML = left + "," + right + "," + top + "," +bottom;
document.getElementById('content').style.left =
document.getElementById('pips').style.left =
-(right - left) / 2 - left - 67;
document.getElementById('content').style.top =
document.getElementById('pips').style.top =
-(bottom - top) / 2 - top - 25;
}
repip();
if (c) setTimeout("declump()", 100);
}
function genHTML(hs) {
var nh = '';
nh += "<center><img class='icon' src='"
a = hs.descarr;
if (a[0] == 'ap' || a[0] == 'adhoc') {
if (a[0] == 'ap') {
nh += "ap";
if (a[5] == 'enc') nh += "-wep";
}
else {
nh += "adhoc";
}
hs.channel = a[2];
hs.name = a[4];
}
else if (a[0] == 'sta') {
nh += "station";
hs.channel = 0;
}
nh += (hs.age < idle_timeout) ? "": "-idle";
nh += stupid ? ".gif" : ".png";
nh += "' onmouseover='mousenter(event)' onmouseout='mouseout(event)'"
+ "><br><span class='hostdesc'>" + hs.mac + "<br><i>'" + hs.name;
nh += "'</i>";
if (hs.channel) {
nh += " ch" + hs.channel;
}
nh += "</span><span class='extrafo'><br>";
if (a[0] == 'ap') nh += "Access point";
if (a[0] == 'sta') nh += "Station";
if (a[0] == 'adhoc') nh += "Logical ad-hoc entity";
if (a[0] == 'ap' || a[0] == 'adhoc') {
nh += "<br>";
if (a[5] == '?enc') nh += "Encryption unknown";
if (a[5] == 'enc') nh += "Encrypted";
if (a[5] == 'unenc') nh += "Unencrypted";
if (a[6] == 'wep') nh += "-WEP";
if (a[6] == 'wpa') nh += "-WPA";
}
nh += "<br>RSSI: " + hs.rssi + " dBm<br>"
+ "Seen " + hs.age + " seconds ago<br>";
nh += "</span></center>";
return nh;
}