Line data    Source code

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