-<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
<head>
- <title>Location</title>
- <script type="text/javascript">
- var sts;
- var log;
- var ws;
+<title>Location</title>
+<script src="http://www.openlayers.org/api/OpenLayers.js">
+</script>
+<script src="https://www.openstreetmap.org/openlayers/OpenStreetMap.js">
+</script>
+<script type="text/javascript">
+ const urlParams = new URLSearchParams(window.location.search);
+ const qimei = urlParams.get("imei");
- function init() {
- sts = document.getElementById("sts");
- sts.innerHTML = "uninitialized";
- log = document.getElementById("log");
- log.innerHTML = "top of log<br>";
- imei = document.getElementById("imei");
- send = document.getElementById("send");
- open_ws();
- }
+ const ourl = new URL(window.location);
+ const wsproto = ourl.protocol === "https" ? "wss" : "ws";
+ const wshost = ourl.hostname ? ourl.hostname : "localhost";
+ const wsport = ourl.port ? ourl.port : 5049;
- function open_ws() {
- ws = new WebSocket("ws://localhost:5049");
- ws.onopen = ws_onopen;
- ws.onmessage = ws_onmessage;
- ws.onerror = ws_onerror;
- ws.onclose = ws_onclose;
- }
- function ws_onopen(event) {
- console.log("ws opened " + event);
- sts.innerHTML = "open";
- imei.disabled = false;
- send.disabled = false;
- }
- function ws_onmessage(event) {
- console.log("message " + event);
- log.innerHTML += "message " + event + "<br>";
+ const imeis = new Set();
+ const locations = new Array();
+ const maxmarkers = 5;
+
+ var sts;
+ var ws;
+ var imei;
+ var send;
+ var subslist;
+ var tstamp;
+ var map;
+ var markers;
+ var icon;
+
+ function init() {
+ init_map();
+ sts = document.getElementById("sts");
+ sts.innerHTML = "uninitialized";
+ imei = document.getElementById("imei");
+ send = document.getElementById("send");
+ clear = document.getElementById("clear");
+ subslist = document.getElementById("subslist");
+ tstamp = document.getElementById("tstamp");
+ if (qimei) {
+ imei.value = qimei;
}
- function ws_onerror(event) {
- console.log("error " + event);
- sts.innerHTML = "error";
+ open_ws();
+ }
+
+ function init_map() {
+ map = new OpenLayers.Map ("map", {
+ controls:[
+ new OpenLayers.Control.Navigation(),
+ new OpenLayers.Control.PanZoomBar(),
+ new OpenLayers.Control.LayerSwitcher(),
+ new OpenLayers.Control.Attribution()],
+ maxExtent: new OpenLayers.Bounds(
+ -20037508.34,-20037508.34,
+ 20037508.34,20037508.34),
+ maxResolution: 156543.0399,
+ numZoomLevels: 19,
+ units: 'm',
+ projection: new OpenLayers.Projection(
+ "EPSG:900913"),
+ displayProjection: new OpenLayers.Projection(
+ "EPSG:4326")
+ });
+ layerMapnik =
+ new OpenLayers.Layer.OSM.Mapnik("Mapnik");
+ map.addLayer(layerMapnik)
+ layerTransportMap =
+ new OpenLayers.Layer.OSM.TransportMap("TransportMap");
+ map.addLayer(layerTransportMap)
+ layerCycleMap =
+ new OpenLayers.Layer.OSM.CycleMap("CycleMap");
+ map.addLayer(layerCycleMap);
+ markers =
+ new OpenLayers.Layer.Markers("Markers");
+ map.addLayer(markers);
+
+ var size = new OpenLayers.Size(21, 25);
+ var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
+ icon = new OpenLayers.Icon(
+'https://www.openstreetmap.org/openlayers/img/marker.png',size,offset);
+
+ var lonLat =
+ new OpenLayers.LonLat(0, 0).transform(
+ new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ map.setCenter(lonLat, 1);
+ }
+
+ function set_marker(msg) {
+ if (locations.push(msg) > maxmarkers) {
+ locations.shift();
}
- function ws_onclose(event) {
- console.log("close " + event);
- sts.innerHTML = "closed";
- imei.disabled = true;
- send.disabled = true;
- setTimeout(open_ws, 5000);
+ console.log("new marker list " + JSON.stringify(locations));
+ tstamp.innerHTML = msg.devtime;
+ var lonLat;
+ // TODO: figure how to have multiple markers and/or track
+ for (const loc of locations) {
+ lonLat = new OpenLayers.LonLat(+loc.longitude,
+ +loc.latitude).transform(
+ new OpenLayers.Projection("EPSG:4326"),
+ map.getProjectionObject());
+ markers.addMarker(new OpenLayers.Marker(lonLat,icon));
}
+ map.setCenter(lonLat, 16);
+ }
- function sendIMEI() {
- console.log("sending " + imei.value);
- var msg = {
- imei: imei.value,
- type: "subscribe",
- date: Date.now()
- };
- ws.send(JSON.stringify(msg));
- document.title = imei.value;
- imei.value = "";
+ function open_ws() {
+ wsurl = new URL("ws://localhost/");
+ wsurl.protocol = wsproto
+ wsurl.hostname = wshost
+ wsurl.port = wsport
+ console.log("wsurl is " + wsurl)
+ ws = new WebSocket(wsurl);
+ ws.onopen = ws_onopen;
+ ws.onmessage = ws_onmessage;
+ ws.onerror = ws_onerror;
+ ws.onclose = ws_onclose;
+ }
+ function ws_onopen(event) {
+ console.log("ws opened " + event);
+ sts.innerHTML = "online";
+ imei.disabled = false;
+ send.disabled = false;
+ clear.disabled = false;
+ sendIMEI();
+ }
+ function ws_onmessage(event) {
+ console.log("message " + event.data);
+ set_marker(JSON.parse(event.data));
+ }
+ function ws_onerror(event) {
+ console.log("error " + event);
+ sts.innerHTML = "error: " + event;
+ }
+ function ws_onclose(event) {
+ console.log("close " + event);
+ sts.innerHTML = "offline";
+ imei.disabled = true;
+ send.disabled = true;
+ clear.disabled = true;
+ setTimeout(open_ws, 5000);
+ }
+
+ function sendIMEI(do_clear) {
+ if (do_clear) {
+ imeis.clear();
+ } else {
+ if (imei.value) {
+ imeis.add(imei.value);
+ }
}
+ const imstr = Array.from(imeis).join(",");
+ document.title = imstr;
+ subslist.innerHTML = imstr;
+ var msg = {
+ imei: Array.from(imeis),
+ type: "subscribe",
+ date: Date.now(),
+ backlog: 1
+ };
+ console.log("sending" + JSON.stringify(msg));
+ ws.send(JSON.stringify(msg));
+ imei.value = "";
+ }
- function handleKey(evt) {
- if (evt.keyCode === 13 || evt.keyCode === 14) {
- if (!imei.disabled) {
- sendIMEI();
- }
+ function handleKey(evt) {
+ if (evt.keyCode === 13 || evt.keyCode === 14) {
+ if (!imei.disabled) {
+ sendIMEI(false);
}
}
- </script>
+ }
+</script>
</head>
<body onload="init();">
size="16" maxlength="16" placeholder="Enter IMEI"
autocomplete="off" onkeyup="handleKey(event)">
<input type="button" id="send" name="send" value="Send"
- onclick="sendIMEI()" disabled>
+ onclick="sendIMEI(false)" disabled>
+ <input type="button" id="clear" name="clear" value="Clear"
+ onclick="sendIMEI(true)" disabled>
+ <span id="subslist"></span>
+ <span id="tstamp" style="float:right"></span>
</div>
- <div style="width:100%; height:96%" id="log"></div>
- <div style="width:100%; height:2%" id="sts"></div>
+ <div style="width:100%; height:97%" id="map"></div>
+ <div style="width:100%; height:1%" id="sts"></div>
</body>
</html>
projects / loctrkd.git / blobdiff