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wifi.js
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wifi.js
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var currAp = "";
var blockScan = 0;
function createInputForAp(ap) {
if (ap.essid=="" && ap.rssi==0) return;
var input = e("input");
input.type = "radio";
input.name = "essid";
input.value=ap.essid;
input.id = "opt-" + ap.essid;
if (currAp == ap.essid) input.checked = "1";
var bars = e("div");
var rssiVal = -Math.floor(ap.rssi/51)*32;
bars.className = "lock-icon";
bars.style.backgroundPosition = "0px "+rssiVal+"px";
var rssi = e("div");
rssi.innerHTML = "" + ap.rssi +"dB";
var encrypt = e("div");
var encVal = "-64"; //assume wpa/wpa2
if (ap.enc == "0") encVal = "0"; //open
if (ap.enc == "1") encVal = "-32"; //wep
encrypt.className = "lock-icon";
encrypt.style.backgroundPosition = "-32px "+encVal+"px";
var label = e("div");
label.innerHTML = ap.essid;
var div = m('<label for=\"opt-' + ap.essid + '"></label>').childNodes[0];
div.appendChild(input);
div.appendChild(encrypt);
div.appendChild(bars);
div.appendChild(rssi);
div.appendChild(label);
return div;
}
function getSelectedEssid() {
var e = document.forms.wifiform.elements;
for (var i=0; i<e.length; i++) {
if (e[i].type == "radio" && e[i].checked) {
var v = e[i].value;
if (v == "_hidden_ssid_") v = $("#hidden-ssid").value;
return v;
}
}
return currAp;
}
var scanTimeout = null;
var scanReqCnt = 0;
function scanResult() {
if (scanReqCnt > 60) {
return scanAPs();
}
scanReqCnt += 1;
ajaxJson('GET', "scan", function(data) {
currAp = getSelectedEssid();
if (data.result.inProgress == "0" && data.result.APs.length > 0) {
$("#aps").innerHTML = "";
var n = 0;
for (var i=0; i<data.result.APs.length; i++) {
if (data.result.APs[i].essid == "" && data.result.APs[i].rssi == 0) continue;
$("#aps").appendChild(createInputForAp(data.result.APs[i]));
n = n+1;
}
showNotification("Scan found " + n + " networks");
var cb = $("#connect-button");
cb.className = cb.className.replace(" pure-button-disabled", "");
if (scanTimeout != null) clearTimeout(scanTimeout);
scanTimeout = window.setTimeout(scanAPs, 20000);
} else {
window.setTimeout(scanResult, 1000);
}
}, function(s, st) {
window.setTimeout(scanResult, 5000);
});
}
function scanAPs() {
console.log("scanning now");
if (blockScan) {
scanTimeout = window.setTimeout(scanAPs, 1000);
return;
}
scanTimeout = null;
scanReqCnt = 0;
ajaxReq('POST', "scan", function(data) {
//showNotification("Wifi scan started");
window.setTimeout(scanResult, 1000);
}, function(s, st) {
//showNotification("Wifi scan may have started?");
window.setTimeout(scanResult, 1000);
});
}
function getStatus() {
ajaxJsonSpin("GET", "connstatus", function(data) {
if (data.status == "idle" || data.status == "connecting") {
$("#aps").innerHTML = "Connecting...";
showNotification("Connecting...");
window.setTimeout(getStatus, 1000);
} else if (data.status == "got IP address") {
var txt = "Connected! Got IP "+data.ip;
showNotification(txt);
showWifiInfo(data);
blockScan = 0;
if (data.modechange == "yes") {
var txt2 = "esp-link will switch to STA-only mode in a few seconds";
window.setTimeout(function() { showNotification(txt2); }, 4000);
}
$("#reconnect").removeAttribute("hidden");
$("#reconnect").innerHTML =
"If you are in the same network, go to <a href=\"http://"+data.ip+
"/\">"+data.ip+"</a>, else connect to network "+data.ssid+" first.";
} else {
blockScan = 0;
showWarning("Connection failed: " + data.status + ", " + data.reason);
$("#aps").innerHTML =
"Check password and selected AP. <a href=\"wifi.tpl\">Go Back</a>";
}
}, function(s, st) {
//showWarning("Can't get status: " + st);
window.setTimeout(getStatus, 2000);
});
}
function changeWifiMode(m) {
blockScan = 1;
hideWarning();
ajaxSpin("POST", "setmode?mode=" + m, function(resp) {
showNotification("Mode changed");
window.setTimeout(getWifiInfo, 100);
blockScan = 0;
}, function(s, st) {
showWarning("Error changing mode: " + st);
window.setTimeout(getWifiInfo, 100);
blockScan = 0;
});
}
function changeWifiAp(e) {
e.preventDefault();
var passwd = $("#wifi-passwd").value;
var essid = getSelectedEssid();
showNotification("Connecting to " + essid);
var url = "connect?essid="+encodeURIComponent(essid)+"&passwd="+encodeURIComponent(passwd);
hideWarning();
$("#reconnect").setAttribute("hidden", "");
$("#wifi-passwd").value = "";
var cb = $("#connect-button");
var cn = cb.className;
cb.className += ' pure-button-disabled';
blockScan = 1;
ajaxSpin("POST", url, function(resp) {
$("#spinner").removeAttribute('hidden'); // hack
showNotification("Waiting for network change...");
window.scrollTo(0, 0);
window.setTimeout(getStatus, 2000);
}, function(s, st) {
showWarning("Error switching network: "+st);
cb.className = cn;
window.setTimeout(scanAPs, 1000);
});
}
function changeSpecial(e) {
e.preventDefault();
var url = "special";
url += "?dhcp=" + document.querySelector('input[name="dhcp"]:checked').value;
url += "&staticip=" + encodeURIComponent($("#wifi-staticip").value);
url += "&netmask=" + encodeURIComponent($("#wifi-netmask").value);
url += "&gateway=" + encodeURIComponent($("#wifi-gateway").value);
hideWarning();
var cb = $("#special-button");
addClass(cb, 'pure-button-disabled');
ajaxSpin("POST", url, function(resp) {
removeClass(cb, 'pure-button-disabled');
getWifiInfo();
}, function(s, st) {
showWarning("Error: "+st);
removeClass(cb, 'pure-button-disabled');
getWifiInfo();
});
}
function doDhcp() {
$('#dhcp-on').removeAttribute('hidden');
$('#dhcp-off').setAttribute('hidden', '');
}
function doStatic() {
$('#dhcp-off').removeAttribute('hidden');
$('#dhcp-on').setAttribute('hidden', '');
}