pi_beehive_monitoring/index.html at master · cbs-ntcore/pi_beehive_monitoring · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Bees!</title>
        <!-- jquery -->
        <script src="static/jquery-3.4.0.min.js"></script>
        <script>
set_worker_state = function(hostname, new_state) {
    $.ajax({
        url: "worker",
        type: "POST",
        dataType: "json",
        data: {hostname: hostname, new_state: new_state}});
};


get_worker_info = function() {
    $.ajax({
        url: "worker",
        type: "POST",
        dataType: "json",
    }).done(new_worker_info);
};

fn_to_date = function(fn) {
    if (fn == null) return new Date(0);
    if (fn.length == 0) return new Date(0);
    tokens = fn.split('/').pop().split('.')[0].split('_');
    s = "20" + tokens[0].substring(0, 2) + "-"
             + tokens[0].substring(2, 4) + "-"
             + tokens[0].substring(4, 6) + "T"
             + tokens[1].substring(0, 2) + ":"
             + tokens[1].substring(2, 4);
    var d = new Date(s);
    return d
};

new_worker_info = function(json) {
    // update document given new worker info
    wul = $("ul#worker_list");
    Object.keys(json)
        .sort(function(a, b){
            return parseInt(a.substring(6)) - parseInt(b.substring(6));
        })
        .forEach(function(hostname, i) {
            // check if worker already listed
            li = $("li#" + hostname);
            if (li.length == 0) {
                wul.append($("<li>").append().attr("id", hostname));
                li = $("li#" + hostname);
                li.append($("<img>"));
                li.append($("<a>"));
                li.append($("<span>"));
                li.append(
                    $('<button>').on('click', function() {
                        set_worker_state(hostname, "recording");
                     }).text("Record").attr("class", "record_button"));
                li.append(
                    $('<button>').on('click', function() {
                        set_worker_state(hostname, "continuous");
                     }).text("Continuous").attr("class", "continuous_button"));
                li.append(
                    $('<button>').on('click', function() {
                        set_worker_state(hostname, "idle");
                     }).text("Stop").attr("class", "stop_button"));
            };
            //li.empty();
            // update list item
            state = json[hostname]['state'];
            newest_filename = json[hostname]['newest_filename'];
            transfer_duration = json[hostname]['transfer_duration'];
            transfer_info = json[hostname]['transfer_info'];
            var fnd = fn_to_date(newest_filename);
            var d = new Date(0);
            d.setUTCSeconds(state.timestamp);
            var tt = new Date(0);
            if (transfer_info['start'] != undefined) {
                tt.setUTCSeconds(transfer_info['start']);
            } else {
                tt.setUTCSeconds(0);
            };
            // if tt, fnd, or d is more than ~5 min old, make them red
            var cd = new Date();
            if (
                    Math.max(
                        Math.abs(cd - d),
                        Math.abs(tt - d),
                        Math.abs(fnd - d)) >
                    (5 * 60 * 1000)) {
                txt_color = "red";
            } else {
                txt_color = "black";
            };
            li.children("img").attr("src", "/static/" + hostname + ".jpg?" + new Date().getTime());
            li.children("a").text(hostname).attr("href", "/static/" + hostname + ".h264");
            li.children("span").text(
                ": " + state.state + " @ " +
                d + " [disk:" + state.df + "] last transfer @" +
                tt + " [took:" + transfer_duration + "] newest video: " +
		newest_filename).css("color", txt_color);
            // add config button
            // TODO show/hide buttons by state
            if (state.state == "idle") {
                //li.children(".stream_button").show();
                li.children(".record_button").show();
                li.children(".continuous_button").show();
                li.children(".stop_button").hide();
            } else {
                //li.children(".stream_button").hide();
                li.children(".continuous_button").hide();
                li.children(".record_button").hide();
                li.children(".stop_button").show();
            };
        });
};


get_queen_info = function() {
    $.ajax({
        url: "queen",
        type: "POST",
        dataType: "json",
    }).done(new_queen_info);
};


new_queen_info = function(json) {
    // display transfer information
    q = $("div#queen_info");
    q.empty();
    // display last_transfer details
    var tt;
    if (json.transfer_info.last_transfer.time == null) {
        tt = null;
    } else {
        tt = new Date(0);
        tt.setUTCSeconds(json.transfer_info.last_transfer.time);
    };
    q.append(
        $("<p>").text(
            "Last transfer at " + tt + " took " +
            json.transfer_info.last_transfer.duration + " seconds"));
    // display space left on disk
    q.append(
        $("<p>").text(
            "Disk space on queen: total: " + json.transfer_info.space.total +
            " used: " + json.transfer_info.space.used + "[" + json.transfer_info.space.percent_used + "]"));
    // add force transfer button
    q.append(
        $("<button>").on('click', function() {
            $.ajax({url: "queen", type: "POST", data: {"transfer": true}})
                .done(get_queen_info);
        }).text("Transfer videos"));
    // display errors
    $("#queen_errors").text(JSON.stringify(json.errors));
};


$(document).ready(function() {
    // get worker info from queen
    get_worker_info();
    get_queen_info();
    window.setInterval(get_worker_info, 1000);
    window.setInterval(get_queen_info, 5000);
});

        </script>
    </head>
    <body>
        <!-- queen info -->
        <div id="queen_info"></div>
        <ul id="worker_list">
            <!-- workers will get added here -->
        </ul>
        <div id="queen_errors"></div>
    </body>
</html>