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improvment: added prometheus metrics for the number of groups in a room

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This commit is contained in:
kharhamel 2020-10-30 15:23:50 +01:00
parent 6658e2d666
commit b1d2543631
5 changed files with 80 additions and 32 deletions
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16
back/src/Model/Group.ts
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@ -3,6 +3,7 @@ import { User } from "./User";
import {PositionInterface} from "_Model/PositionInterface";
import {Movable} from "_Model/Movable";
import {PositionNotifier} from "_Model/PositionNotifier";
import {gaugeManager} from "../Services/GaugeManager";
export class Group implements Movable {
static readonly MAX_PER_GROUP = 4;
@ -13,12 +14,23 @@ export class Group implements Movable {
private users: Set<User>;
private x!: number;
private y!: number;
private hasEditedGauge: boolean = false;
private wasDestroyed: boolean = false;
private roomId: string;
constructor(users: User[], private connectCallback: ConnectCallback, private disconnectCallback: DisconnectCallback, private positionNotifier: PositionNotifier) {
constructor(roomId: string, users: User[], private connectCallback: ConnectCallback, private disconnectCallback: DisconnectCallback, private positionNotifier: PositionNotifier) {
this.roomId = roomId;
this.users = new Set<User>();
this.id = Group.nextId;
Group.nextId++;
//we only send a event for prometheus metrics if the group lives more than 5 seconds
setTimeout(() => {
if (!this.wasDestroyed) {
this.hasEditedGauge = true;
gaugeManager.incNbGroupsPerRoomGauge(roomId);
}
}, 5000);
users.forEach((user: User) => {
this.join(user);
@ -113,9 +125,11 @@ export class Group implements Movable {
*/
destroy(): void
{
if (this.hasEditedGauge) gaugeManager.decNbGroupsPerRoomGauge(this.roomId);
for (const user of this.users) {
this.leave(user);
}
this.wasDestroyed = true;
}
get getSize(){