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import {Counter, Gauge} from "prom-client";
//this class should manage all the custom metrics used by prometheus
class GaugeManager {
private nbClientsGauge: Gauge<string>;
private nbClientsPerRoomGauge: Gauge<string>;
private nbGroupsPerRoomGauge: Gauge<string>;
private nbGroupsPerRoomCounter: Counter<string>;
constructor() {
this.nbClientsGauge = new Gauge({
name: 'workadventure_nb_sockets',
help: 'Number of connected sockets',
labelNames: [ ]
});
this.nbClientsPerRoomGauge = new Gauge({
name: 'workadventure_nb_clients_per_room',
help: 'Number of clients per room',
labelNames: [ 'room' ]
});
this.nbGroupsPerRoomCounter = new Counter({
name: 'workadventure_counter_groups_per_room',
help: 'Counter of groups per room',
labelNames: [ 'room' ]
});
this.nbGroupsPerRoomGauge = new Gauge({
name: 'workadventure_nb_groups_per_room',
help: 'Number of groups per room',
labelNames: [ 'room' ]
});
}
incNbClientPerRoomGauge(roomId: string): void {
this.nbClientsGauge.inc();
this.nbClientsPerRoomGauge.inc({ room: roomId });
}
decNbClientPerRoomGauge(roomId: string): void {
this.nbClientsGauge.dec();
this.nbClientsPerRoomGauge.dec({ room: roomId });
}
incNbGroupsPerRoomGauge(roomId: string): void {
this.nbGroupsPerRoomCounter.inc({ room: roomId })
this.nbGroupsPerRoomGauge.inc({ room: roomId })
}
decNbGroupsPerRoomGauge(roomId: string): void {
this.nbGroupsPerRoomGauge.dec({ room: roomId })
}
}
export const gaugeManager = new GaugeManager();