Overview and map

Added: after 2026-10-R1

Overview cards #

The Overview tab is a grid of cards from kismet.ui.dashboardCards. Users arrange, resize, hide, and add back cards with Edit layout; the layout is kept per browser.

actions.showTab(id) switches to a tab (a pane id, or the id given to addTable), and actions.showDevices(viewId) to the device list on a view.

Shared data #

The cards share their data: each refresh asks the server once for each kind of data any card needs, and hands every card the same results, so a plugin’s card costs the server nothing extra when it reads what the built-in cards already do. Nothing is fetched while the tab is hidden.

data.now is the server’s time, and data.window the time window the user picked (in seconds, or 0 for all devices). update() is first called once all of a card’s needs have arrived.

The Devices card, from js/base/overview.js:

ui.dashboardCards.add({
    id: 'devices', title: 'Devices', loading: ['stat', 'tabs', 'graph'], priority: 0, w: 3, h: 6,
    needs: ['status'],
    create(body) {
        const total = stat('devices tracked');
        const tabs = spanTabs('devices', () => draw());
        const graph = historyGraph({ type: 'line', unit: 'devices', height: null });
        body.append(total.node, tabs.node, graph.node);
        let last = null;
        function draw() {
            if (!last?.status)
                return;
            const r = last.status['kismet.system.devices.rrd'];
            graph.draw(rrd.history(r, last.now, tabs.span), spanLabels[tabs.span]);
        }
        return {
            update(data) {
                last = data;
                total.update(format.count(data.status?.['kismet.system.devices.count'] ?? 0));
                draw();
            },
        };
    },
});

The Devices by type of radio card shows a bar for each phy, and opens the device list on a phy’s view when one is clicked:

const { barList, series } = kismet.widgets.charts;

ui.dashboardCards.add({
    id: 'phys', title: 'Devices by type of radio', loading: 'bars', priority: 30, w: 4, h: 6, needs: ['phys'],
    create(body, { actions }) {
        const bars = barList({ onPick: (item) => actions.showDevices(`phy-${item.id}`) });
        body.append(bars.node);
        return {
            update(data) {
                bars.update((data.phys ?? []).filter((p) => p['kismet.phy.device_count'] > 0).map((p, i) => ({
                    id: p['kismet.phy.phy_name'], label: p['kismet.phy.phy_name'],
                    value: p['kismet.phy.device_count'],
                    title: `${format.count(p['kismet.phy.packet_count'])} packets`, color: series(i),
                })));
            },
        };
    },
});

kismet.widgets.charts has barList(), donut(), stat(), presenceStrip(), timeline(), and eventTimeline(); kismet.widgets.historyGraph() draws RRD history, and kismet.widgets.sparkline() a small line. All of them draw in the theme’s colors.

The map #

The map tab draws the devices which have a place on it, in layers from kismet.ui.mapSources; each layer has a checkbox in the map’s list. A layer reads a device view every couple of seconds while the map is showing (and every 15 seconds while it’s hidden, to keep paths going).

What to read:

Where to draw a device:

How it looks:

dev has key, name, phy, type, last_time, the positions rep, heard, and avg (each [lon, lat] or null), rep_alt, rep_speed, and rep_heading, and the layer’s own fields.

Bluetooth LE devices don’t report where they are, so they’re drawn where Kismet heard them, and are off until asked for:

ui.mapSources.add({
    id: 'btle', title: 'Bluetooth LE', priority: 61, icon: 'bluetooth', view: 'phy-BTLE',
    position: 'average', defaultVisible: false,
    color: () => 'hsl(185 65% 50%)',
});

Ships report their position, and the icon depends on the kind of station and points where a moving ship is heading:

const underway = (d) => (d.sog ?? 0) > 0.5 && !['Base Station', 'AtoN'].includes(d.ais_class);

ui.mapSources.add({
    id: 'ais', title: 'Vessels (AIS)', priority: 10, view: 'phy-AIS', maxAge: 1800, legacy: true,
    layerIcon: 'ship',
    fields: [[`${ais}/${ais}.name`, 'shipname'], [`${ais}/${ais}.class`, 'ais_class'],
        [`${ais}/${ais}.sog`, 'sog']],
    icon: (d) => {
        if (d.ais_class === 'Base Station')
            return 'tower';
        if (d.ais_class === 'AtoN')
            return 'anchor';
        if (emergency.includes(d.ais_class))
            return 'lifebuoy';
        return underway(d) ? 'vessel' : 'ship';
    },
    label: (d) => String(d.shipname ?? '').trim() || d.name,
    detail: (d) => [d.ais_class, underway(d) ? `${d.sog.toFixed(1)} kn` : null].filter(Boolean).join(', '),
    color: (d) => (emergency.includes(d.ais_class) ? 'var(--error)' : 'var(--ok)'),
    heading: (d) => (underway(d) ? d.rep_heading || 0 : null),
});

legacy: true is for servers older than 2026-10, where the device location is the position the device reported (ADS-B and AIS).