Line data    Source code

       1              : // SPDX-License-Identifier: LGPL-2.1-or-later
       2           35 : import cockpit from "cockpit";
       3              : 
       4           35 : export class UsageMonitor {
       5           35 :     constructor() {
       6           35 :         this.channel = cockpit.metrics(
       7           35 :             1000,
       8           35 :             [
       9           35 :                 {
      10           35 :                     source: "direct",
      11           35 :                     metrics: [
      12           35 :                         {
      13           35 :                             name: "network.interface.in.bytes",
      14           35 :                             units: "bytes",
      15           35 :                             derive: "rate"
      16           35 :                         },
      17           35 :                         {
      18           35 :                             name: "network.interface.out.bytes",
      19           35 :                             units: "bytes",
      20           35 :                             derive: "rate"
      21           35 :                         },
      22           35 :                     ],
      23           35 :                     metrics_path_names: ["rx", "tx"]
      24           35 :                 },
      25           35 :                 {
      26           35 :                     source: "internal",
      27           35 :                     metrics: [
      28           35 :                         {
      29           35 :                             name: "network.interface.rx",
      30           35 :                             units: "bytes",
      31           35 :                             derive: "rate"
      32           35 :                         },
      33           35 :                         {
      34           35 :                             name: "network.interface.tx",
      35           35 :                             units: "bytes",
      36           35 :                             derive: "rate"
      37           35 :                         },
      38           35 :                     ],
      39           35 :                     metrics_path_names: ["rx", "tx"]
      40           35 :                 }
      41           35 :             ]
      42           35 :         );
      43              : 
      44           35 :         this.grid = cockpit.grid(1000, -1, -0);
      45           35 :         this.samples = { };
      46              : 
      47           35 :         this.channel.follow();
      48           35 :         this.grid.walk();
      49           35 :     }
      50              : 
      51           34 :     add(iface) {
      52           34 :         if (!this.samples[iface]) {
      53           34 :             this.samples[iface] = [
      54           34 :                 this.grid.add(this.channel, ["rx", iface]),
      55           34 :                 this.grid.add(this.channel, ["tx", iface])
      56           34 :             ];
      57           34 :         }
      58           34 :     }
      59           35 : }