Function getData

pref/ENV.js:37–97

()

  var lastGeneratedDatabases = [];

  function getData() {
    // generate some dummy data
    data = {
      start_at: new Date().getTime() / 1000,
      databases: {}
    };

    for (var i = 1; i <= ENV.rows; i++) {
      data.databases["cluster" + i] = {
        queries: []
      };

      data.databases["cluster" + i + "slave"] = {
        queries: []
      };
    }

    Object.keys(data.databases).forEach(function(dbname) {

      if (lastGeneratedDatabases.length == 0 || Math.random() < ENV.mutations()) {
        var info = data.databases[dbname];
        var r = Math.floor((Math.random() * 10) + 1);
        for (var i = 0; i < r; i++) {
          var elapsed = Math.random() * 15;
          var q = {
            canvas_action: null,
            canvas_context_id: null,
            canvas_controller: null,
            canvas_hostname: null,
            canvas_job_tag: null,
            canvas_pid: null,
            elapsed: elapsed,
            formatElapsed: formatElapsed(elapsed),
            elapsedClassName: getElapsedClassName(elapsed),
            query: "SELECT blah FROM something",
            waiting: Math.random() < 0.5
          };

          if (Math.random() < 0.2) {
            q.query = "<IDLE> in transaction";
          }

          if (Math.random() < 0.1) {
            q.query = "vacuum";
          }

          info.queries.push(q);
        }

        info.queries = info.queries.sort(function (a, b) {
          return b.elapsed - a.elapsed;
        });
      } else {
        data.databases[dbname] = lastGeneratedDatabases[dbname];
      }
    });

    lastGeneratedDatabases = data.databases;