X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fvim-emu.git;a=blobdiff_plain;f=src%2Femuvim%2Fdashboard%2Fjs%2Fmain.js;fp=src%2Femuvim%2Fdashboard%2Fjs%2Fmain.js;h=71741f2e2c07200f0e56366c321bb8f62e83dc9e;hp=0000000000000000000000000000000000000000;hb=5b876700bdef500e17c212f5b0bcea5383e44528;hpb=23be11bc2e8fcb8e177694c61d95e65682a84238

diff --git a/src/emuvim/dashboard/js/main.js b/src/emuvim/dashboard/js/main.js
new file mode 100755
index 0000000..71741f2
--- /dev/null
+++ b/src/emuvim/dashboard/js/main.js
@@ -0,0 +1,173 @@
+var API_HOST = "http://127.0.0.1:5001";
+var ERROR_ALERT = false;
+var TIMESTAMP = 0;
+var CONNECTED = false;
+var LATENESS_UPDATE_INTERVAL = 50;
+var DATA_UPDATE_INTERVAL = 1000 * 10;
+var LAST_UPDATE_TIMESTAMP_CONTAINER = 0;
+var LAST_UPDATE_TIMESTAMP_DATACENTER = 0;
+
+
+function update_lateness_loop() {
+    lateness_datacenter= (Date.now() - LAST_UPDATE_TIMESTAMP_DATACENTER) / 1000;
+    $("#lbl_lateness_datacenter").text("Lateness: " + Number(lateness_datacenter).toPrecision(3) + "s");
+    lateness_container= (Date.now() - LAST_UPDATE_TIMESTAMP_CONTAINER) / 1000;
+    $("#lbl_lateness_container").text("Lateness: " + Number(lateness_container).toPrecision(3) + "s");
+    // loop while connected
+    if(CONNECTED)
+        setTimeout(update_lateness_loop, LATENESS_UPDATE_INTERVAL)
+}
+
+
+function errorAjaxConnection()
+{
+    // only do once
+    if(!ERROR_ALERT)
+    {
+        ERROR_ALERT = true;
+        // show message
+        alert("ERROR!\nAPI request failed.\n\n Please check the backend connection.", function() {
+            // callback
+            ERROR_ALERT = false;
+        });
+    }
+}
+
+
+function update_table_datacenter(data)
+{
+    console.debug(data)
+    // clear table
+    $("#table_datacenter").empty();
+    // header
+    $("#table_datacenter").append('<tr class="tbl-head"><td>Label</td><td>Int. Name</td><td>Switch</td><td>Num. Containers</td><td>Metadata Items</td></tr>');
+    // fill table
+    $.each(data, function(i, item) {
+        var row_str = "";
+        row_str += '<tr class="tbl-row clickable_row" id="datacenter_row_' + i +'">';
+        row_str += '<td>' + item.label + '1</td>';
+        row_str += '<td>' + item.internalname + '</td>';
+        row_str += '<td>' + item.switch + '</td>';
+        row_str += '<td><span class="badge">' + item.n_running_containers + '</span></td>';
+        row_str += '<td><span class="badge">' + Object.keys(item.metadata).length + '</span></td>';
+        row_str += '<tr>';
+	$("#table_datacenter").append(row_str);
+    });
+    $("#lbl_datacenter_count").text(data.length);
+    // update lateness counter
+    LAST_UPDATE_TIMESTAMP_DATACENTER = Date.now();
+}
+
+
+function update_table_container(data)
+{
+    console.debug(data)
+    // clear table
+    $("#table_container").empty();
+    // header
+    $("#table_container").append('<tr class="tbl-head"><td>Datacenter</td><td>Container</td><td>Image</td><td>docker0</td><td>Status</td></tr>');
+    // fill table
+    $.each(data, function(i, item) {
+        var row_str = "";
+        row_str += '<tr class="tbl-row clickable_row" id="container_row_' + i +'">';
+        row_str += '<td>' + item[1].datacenter + '</td>';
+        row_str += '<td>' + item[0] + '</td>';
+        row_str += '<td>' + item[1].image + '</td>';
+        row_str += '<td><code>' + item[1].docker_network + '<code></td>';
+        if(item[1].state.Status == "running")
+            row_str += '<td><span class="label label-success">running</span></td>';
+        else
+            row_str += '<td><span class="label label-danger">stopped</span></td>';
+        row_str += '<tr>';
+	$("#table_container").append(row_str);
+    });
+    $("#lbl_container_count").text(data.length);
+    // update lateness counter
+    LAST_UPDATE_TIMESTAMP_CONTAINER = Date.now();
+}
+
+
+function fetch_datacenter()
+{
+    // do HTTP request and trigger gui update on success
+    var request_url = API_HOST + "/restapi/datacenter";
+    console.debug("fetching from: " + request_url);
+    $.getJSON(request_url,  update_table_datacenter);
+}
+
+
+function fetch_container()
+{
+    // do HTTP request and trigger gui update on success
+    var request_url = API_HOST + "/restapi/compute";
+    console.debug("fetching from: " + request_url);
+    $.getJSON(request_url,  update_table_container);
+}
+
+
+function fetch_loop()
+{
+    // only fetch if we are connected
+    if(!CONNECTED)
+        return;
+
+    // download data
+    fetch_datacenter();
+    fetch_container();
+    
+    // loop while connected
+    if(CONNECTED)
+        setTimeout(fetch_loop, DATA_UPDATE_INTERVAL);
+}
+
+
+function connect()
+{
+    console.info("connect()");
+    // get host address
+    API_HOST = "http://" + $("#text_api_host").val();
+    console.debug("API address: " + API_HOST);
+    // reset data
+    LAST_UPDATE_TIMESTAMP_DATACENTER = Date.now();
+    LAST_UPDATE_TIMESTAMP_CONTAINER = Date.now();
+    CONNECTED = true;
+    // restart lateness counter
+    update_lateness_loop();
+    // restart data fetch loop
+    fetch_loop();
+    // gui updates
+    $("#btn_disconnect").removeClass("disabled");
+    $("#btn_connect").addClass("disabled");
+}
+
+function disconnect()
+{
+    console.info("disconnect()");
+    CONNECTED = false;
+     // gui updates
+    $("#btn_connect").removeClass("disabled");
+    $("#btn_disconnect").addClass("disabled");
+}
+
+
+$(document).ready(function(){
+    console.info("document ready");
+    // setup global connection error handling
+    $.ajaxSetup({
+        "error": errorAjaxConnection
+    });
+
+    // add listeners
+    $("#btn_connect").click(connect);
+    $("#btn_disconnect").click(disconnect);
+
+    // additional refresh on window focus
+    $(window).focus(function () {
+        if(CONNECTED)
+        {
+            fetch_datacenter();
+            fetch_container();  
+        }
+    });
+
+});