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Migrating user position messages to protobuf

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This commit is contained in:
David Négrier 2020-09-18 15:51:15 +02:00
parent e9ca8721a6
commit df0636c513
10 changed files with 202 additions and 46 deletions
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32
back/src/Controller/IoSocketController.ts
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@ -10,7 +10,6 @@ import {Group} from "../Model/Group";
import {User} from "../Model/User";
import {isSetPlayerDetailsMessage,} from "../Model/Websocket/SetPlayerDetailsMessage";
import {MessageUserJoined} from "../Model/Websocket/MessageUserJoined";
import {MessageUserMoved} from "../Model/Websocket/MessageUserMoved";
import si from "systeminformation";
import {Gauge} from "prom-client";
import {TokenInterface} from "../Controller/AuthenticateController";
@ -23,9 +22,17 @@ import {uuid} from 'uuidv4';
import {isViewport} from "../Model/Websocket/ViewportMessage";
import {GroupUpdateInterface} from "_Model/Websocket/GroupUpdateInterface";
import {Movable} from "../Model/Movable";
import {PositionMessage, SetPlayerDetailsMessage} from "../../../messages/generated/messages_pb";
import {
PositionMessage,
SetPlayerDetailsMessage,
SubMessage,
UserMovedMessage,
BatchMessage
} from "../../../messages/generated/messages_pb";
import {UserMovesMessage} from "../../../messages/generated/messages_pb";
import Direction = PositionMessage.Direction;
import {ProtobufUtils} from "../Model/Websocket/ProtobufUtils";
import toPositionMessage = ProtobufUtils.toPositionMessage;
enum SocketIoEvent {
CONNECTION = "connection",
@ -48,13 +55,13 @@ enum SocketIoEvent {
BATCH = "batch",
}
function emitInBatch(socket: ExSocketInterface, event: string | symbol, payload: unknown): void {
socket.batchedMessages.push({ event, payload});
function emitInBatch(socket: ExSocketInterface, event: string, payload: SubMessage): void {
socket.batchedMessages.addPayload(payload);
if (socket.batchTimeout === null) {
socket.batchTimeout = setTimeout(() => {
socket.emit(SocketIoEvent.BATCH, socket.batchedMessages);
socket.batchedMessages = [];
socket.binary(true).emit(SocketIoEvent.BATCH, socket.batchedMessages.serializeBinary().buffer);
socket.batchedMessages = new BatchMessage();
socket.batchTimeout = null;
}, 100);
}
@ -159,9 +166,9 @@ export class IoSocketController {
ioConnection() {
this.Io.on(SocketIoEvent.CONNECTION, (socket: Socket) => {
const client : ExSocketInterface = socket as ExSocketInterface;
client.batchedMessages = [];
client.batchedMessages = new BatchMessage();
client.batchTimeout = null;
client.emitInBatch = (event: string | symbol, payload: unknown): void => {
client.emitInBatch = (event: string, payload: SubMessage): void => {
emitInBatch(client, event, payload);
}
this.sockets.set(client.userId, client);
@ -538,7 +545,14 @@ export class IoSocketController {
if (thing instanceof User) {
const clientUser = this.searchClientByIdOrFail(thing.id);
clientListener.emitInBatch(SocketIoEvent.USER_MOVED, new MessageUserMoved(clientUser.userId, clientUser.position));
const userMovedMessage = new UserMovedMessage();
userMovedMessage.setUserid(clientUser.userId);
userMovedMessage.setPosition(toPositionMessage(clientUser.position));
const subMessage = new SubMessage();
subMessage.setUsermovedmessage(userMovedMessage);
clientListener.emitInBatch(SocketIoEvent.USER_MOVED, subMessage);
//console.log("Sending USER_MOVED event");
} else if (thing instanceof Group) {
clientListener.emit(SocketIoEvent.GROUP_CREATE_UPDATE, {

5
back/src/Model/Websocket/ExSocketInterface.ts
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@ -3,6 +3,7 @@ import {PointInterface} from "./PointInterface";
import {Identificable} from "./Identificable";
import {TokenInterface} from "../../Controller/AuthenticateController";
import {ViewportInterface} from "_Model/Websocket/ViewportMessage";
import {BatchMessage, SubMessage} from "../../../../messages/generated/messages_pb";
export interface ExSocketInterface extends Socket, Identificable {
token: string;
@ -18,7 +19,7 @@ export interface ExSocketInterface extends Socket, Identificable {
/**
* Pushes an event that will be sent in the next batch of events
*/
emitInBatch: (event: string | symbol, payload: unknown) => void;
batchedMessages: Array<{ event: string | symbol, payload: unknown }>;
emitInBatch: (event: string, payload: SubMessage) => void;
batchedMessages: BatchMessage;
batchTimeout: NodeJS.Timeout|null;
}

6
back/src/Model/Websocket/MessageUserMoved.ts
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@ -1,6 +0,0 @@
import {PointInterface} from "./PointInterface";
export class MessageUserMoved {
constructor(public userId: number, public position: PointInterface) {
}
}

35
back/src/Model/Websocket/ProtobufUtils.ts Normal file
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@ -0,0 +1,35 @@
import {PointInterface} from "./PointInterface";
import {PositionMessage} from "../../../../messages/generated/messages_pb";
import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";
export namespace ProtobufUtils {
import Direction = PositionMessage.Direction;
export function toPositionMessage(point: PointInterface): PositionMessage {
let direction: PositionMessage.DirectionMap[keyof PositionMessage.DirectionMap];
switch (point.direction) {
case 'up':
direction = Direction.UP;
break;
case 'down':
direction = Direction.DOWN;
break;
case 'left':
direction = Direction.LEFT;
break;
case 'right':
direction = Direction.RIGHT;
break;
default:
throw new Error('unexpected direction');
}
const position = new PositionMessage();
position.setX(point.x);
position.setY(point.y);
position.setMoving(point.moving);
position.setDirection(direction);
return position;
}
}

18
benchmark/socketio-load-test.yaml
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@ -6,7 +6,7 @@ config:
token: "test"
phases:
- duration: 20
arrivalRate: 2
arrivalRate: 3
processor: "./socketioLoadTest.js"
scenarios:
- name: "Connects and moves player for 20 seconds"
@ -22,7 +22,7 @@ scenarios:
- emit:
channel: "join-room"
data:
roomId: 'global__api.workadventure.localhost/map/files/Floor0/floor0'
roomId: 'global__maps.workadventure.localhost/Floor0/floor0'
position:
x: 783
y: 170
@ -35,20 +35,10 @@ scenarios:
bottom: 200
- think: 1
- loop:
- function: "setYRandom"
- function: "setUserMovesMessage"
- emit:
channel: "user-position"
data:
position:
x: "{{ x }}"
y: "{{ y }}"
direction: 'down'
moving: false
viewport:
left: "{{ left }}"
top: "{{ top }}"
right: "{{ right }}"
bottom: "{{ bottom }}"
data: "{{ message }}"
- think: 0.2
count: 100
- think: 10

33
benchmark/socketioLoadTest.js
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@ -1,5 +1,8 @@
'use strict';
require("../messages/generated/messages_pb");
//import {PositionMessage, UserMovesMessage, ViewportMessage} from "../messages/generated/messages_pb";
module.exports = {
setYRandom
};
@ -18,3 +21,33 @@ function setYRandom(context, events, done) {
context.vars.bottom = context.vars.y + 200;
return done();
}
function setUserMovesMessage(context, events, done) {
if (context.angle === undefined) {
context.angle = Math.random() * Math.PI * 2;
}
context.angle += 0.05;
const x = Math.floor(320 + 1472/2 * (1 + Math.sin(context.angle)));
const y = Math.floor(200 + 1090/2 * (1 + Math.cos(context.angle)));
const positionMessage = new PositionMessage();
positionMessage.setX(x);
positionMessage.setY(y);
positionMessage.setDirection(PositionMessage.Direction.UP);
positionMessage.setMoving(false);
const viewportMessage = new ViewportMessage();
viewportMessage.setTop(y - 200);
viewportMessage.setBottom(y + 200);
viewportMessage.setLeft(x - 320);
viewportMessage.setRight(x + 320);
const userMovesMessage = new UserMovesMessage();
userMovesMessage.setPosition(positionMessage);
userMovesMessage.setViewport(viewportMessage);
context.vars.message = userMovesMessage.serializeBinary().buffer;
console.log(context.vars.message);
return done();
}

43
front/src/Connection.ts
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@ -2,8 +2,9 @@ import Axios from "axios";
import {API_URL} from "./Enum/EnvironmentVariable";
import {MessageUI} from "./Logger/MessageUI";
import {
BatchMessage,
PositionMessage,
SetPlayerDetailsMessage,
SetPlayerDetailsMessage, UserMovedMessage,
UserMovesMessage,
ViewportMessage
} from "../../messages/generated/messages_pb"
@ -132,6 +133,7 @@ export interface RoomJoinedMessageInterface {
export class Connection implements Connection {
private readonly socket: Socket;
private userId: number|null = null;
private batchCallbacks: Map<string, Function[]> = new Map<string, Function[]>();
private constructor(token: string) {
@ -149,11 +151,25 @@ export class Connection implements Connection {
/**
* Messages inside batched messages are extracted and sent to listeners directly.
*/
this.socket.on(EventMessage.BATCH, (batchedMessages: BatchedMessageInterface[]) => {
for (const message of batchedMessages) {
const listeners = this.socket.listeners(message.event);
this.socket.on(EventMessage.BATCH, (batchedMessagesBinary: ArrayBuffer) => {
const batchMessage = BatchMessage.deserializeBinary(new Uint8Array(batchedMessagesBinary as ArrayBuffer));
for (const message of batchMessage.getPayloadList()) {
let event: string;
let payload;
if (message.hasUsermovedmessage()) {
event = EventMessage.USER_MOVED;
payload = message.getUsermovedmessage();
} else {
throw new Error('Unexpected batch message type');
}
const listeners = this.batchCallbacks.get(event);
if (listeners === undefined) {
continue;
}
for (const listener of listeners) {
listener(message.payload);
listener(payload);
}
}
})
@ -263,8 +279,21 @@ export class Connection implements Connection {
this.socket.on(EventMessage.JOIN_ROOM, callback);
}
public onUserMoved(callback: (message: MessageUserMovedInterface) => void): void {
this.socket.on(EventMessage.USER_MOVED, callback);
public onUserMoved(callback: (message: UserMovedMessage) => void): void {
this.onBatchMessage(EventMessage.USER_MOVED, callback);
//this.socket.on(EventMessage.USER_MOVED, callback);
}
/**
* Registers a listener on a message that is part of a batch
*/
private onBatchMessage(eventName: string, callback: Function): void {
let callbacks = this.batchCallbacks.get(eventName);
if (callbacks === undefined) {
callbacks = new Array<Function>();
this.batchCallbacks.set(eventName, callbacks);
}
callbacks.push(callback);
}
public onUserLeft(callback: (userId: number) => void): void {

34
front/src/Network/ProtobufClientUtils.ts Normal file
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@ -0,0 +1,34 @@
import {PositionMessage} from "../../../messages/generated/messages_pb";
import {PointInterface} from "../Connection";
export namespace ProtobufClientUtils {
import Direction = PositionMessage.Direction;
export function toPointInterface(position: PositionMessage): PointInterface {
let direction: string;
switch (position.getDirection()) {
case Direction.UP:
direction = 'up';
break;
case Direction.DOWN:
direction = 'down';
break;
case Direction.LEFT:
direction = 'left';
break;
case Direction.RIGHT:
direction = 'right';
break;
default:
throw new Error("Unexpected direction");
}
// sending to all clients in room except sender
return {
x: position.getX(),
y: position.getY(),
direction,
moving: position.getMoving(),
};
}
}

17
front/src/Phaser/Game/GameScene.ts
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@ -40,6 +40,9 @@ import {FourOFourSceneName} from "../Reconnecting/FourOFourScene";
import {ItemFactoryInterface} from "../Items/ItemFactoryInterface";
import {ActionableItem} from "../Items/ActionableItem";
import {UserInputManager} from "../UserInput/UserInputManager";
import {UserMovedMessage} from "../../../../messages/generated/messages_pb";
import {ProtobufClientUtils} from "../../Network/ProtobufClientUtils";
import toPointInterface = ProtobufClientUtils.toPointInterface;
export enum Textures {
@ -213,8 +216,18 @@ export class GameScene extends Phaser.Scene implements CenterListener {
this.addPlayer(userMessage);
});
connection.onUserMoved((message: MessageUserMovedInterface) => {
this.updatePlayerPosition(message);
connection.onUserMoved((message: UserMovedMessage) => {
const position = message.getPosition();
if (position === undefined) {
throw new Error('Position missing from UserMovedMessage');
}
const messageUserMoved: MessageUserMovedInterface = {
userId: message.getUserid(),
position: toPointInterface(position)
}
this.updatePlayerPosition(messageUserMoved);
});
connection.onUserLeft((userId: number) => {

25
messages/messages.proto
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@ -1,11 +1,6 @@
syntax = "proto3";
/*********** CLIENT TO SERVER MESSAGES *************/
message SetPlayerDetailsMessage {
string name = 1;
repeated string characterLayers = 2;
}
/*********** PARTIAL MESSAGES **************/
message PositionMessage {
int32 x = 1;
@ -27,6 +22,13 @@ message ViewportMessage {
int32 bottom = 4;
}
/*********** CLIENT TO SERVER MESSAGES *************/
message SetPlayerDetailsMessage {
string name = 1;
repeated string characterLayers = 2;
}
message UserMovesMessage {
PositionMessage position = 1;
ViewportMessage viewport = 2;
@ -39,3 +41,14 @@ message UserMovedMessage {
int32 userId = 1;
PositionMessage position = 2;
}
message SubMessage {
oneof message {
UserMovedMessage userMovedMessage = 1;
}
}
message BatchMessage {
string event = 1;
repeated SubMessage payload = 2;
}