Line data    Source code

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