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feat: complate sockt.io server

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Signed-off-by: MiaoWoo <admin@yumc.pw>
This commit is contained in:
MiaoWoo 2020-03-23 18:33:12 +08:00
parent efd1e5bd62
commit b6318cb8c1
8 changed files with 288 additions and 61 deletions
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10
packages/websocket/src/server/client.ts
View File

@ -1,5 +1,6 @@
import { EventEmitter } from 'events'
import { SocketIO } from 'socket-io/interfaces';
import { Keys, AttributeKeys } from './constants';
const TextWebSocketFrame = Java.type('io.netty.handler.codec.http.websocketx.TextWebSocketFrame')
@ -17,6 +18,12 @@ export class NettyClient extends EventEmitter implements SocketIO.EngineSocket {
constructor(server: any, channel: any) {
super();
this.server = server;
this.readyState = 'open';
this.remoteAddress = channel.remoteAddress() + ''
this.upgraded = true;
this.request = channel.attr(AttributeKeys.Request).get();
this.transport = null;
this.channel = channel;
this._id = channel.id();
}
@ -27,4 +34,7 @@ export class NettyClient extends EventEmitter implements SocketIO.EngineSocket {
send(text: string) {
this.channel.writeAndFlush(new TextWebSocketFrame(text))
}
close() {
this.channel.close();
}
}

6
packages/websocket/src/server/constants.ts
View File

@ -6,8 +6,14 @@ export enum ServerEvent {
disconnect = 'disconnect'
}
const AttributeKey = Java.type('io.netty.util.AttributeKey');
export enum Keys {
Detect = "miao_detect",
Handler = "miaowebsocket",
Default = "DefaultChannelPipeline"
}
export enum AttributeKeys {
Request = AttributeKey.valueOf('request')
}

2
packages/websocket/src/server/httprequest.ts
View File

@ -1,4 +1,5 @@
import { HttpRequestHandlerAdapter } from '../netty'
import { Keys, AttributeKeys } from './constants'
const DefaultHttpResponse = Java.type('io.netty.handler.codec.http.DefaultHttpResponse')
const DefaultFullHttpResponse = Java.type('io.netty.handler.codec.http.DefaultFullHttpResponse')
@ -31,6 +32,7 @@ export class HttpRequestHandler extends HttpRequestHandlerAdapter {
}
channelRead0(ctx: any, request: any) {
if (request.getUri().startsWith(this.ws)) {
ctx.channel().attr(AttributeKeys.Request).set(request);
ctx.fireChannelRead(request.retain())
} else {
ctx.executor().execute(new Runnable({

3
packages/websocket/src/server/index.ts
View File

@ -36,6 +36,9 @@ class NettyWebSocketServer {
if (this.pipeline.names().contains(Keys.Detect)) {
this.pipeline.remove(Keys.Detect)
}
Object.values(this.allClients).forEach(client => {
client.close();
})
}
on(event: string, listener: (...args: any[]) => void) {

104
packages/websocket/src/socket-io/client.ts
View File

@ -1,54 +1,104 @@
import { EventEmitter } from 'events'
import { Parser } from './parser'
import { Packet } from './packet';
import { PacketTypes, SubPacketTypes } from './types';
import { ServerEvent, NettyClient } from '../server';
import { NettyClient } from '../server';
import { SocketIO } from './interfaces'
import { Server, Socket } from './index';
import { PacketTypes, SubPacketTypes } from './types';
const parser = new Parser();
export class Client extends EventEmitter implements SocketIO.Client {
private nettyClient: NettyClient;
private event: EventEmitter;
private _id: string;
server: SocketIO.Server;
conn: SocketIO.EngineSocket;
server: Server;
conn: NettyClient;
request: any;
sockets: { [id: string]: SocketIO.Socket; };
sockets: { [id: string]: Socket; };
nsps: { [nsp: string]: SocketIO.Socket; };
connectBuffer: any;
constructor(server: SocketIO.Server, nettyClient: NettyClient) {
constructor(server: Server, nettyClient: NettyClient) {
super();
this.server = server;
this.event = new EventEmitter();
this.conn = nettyClient;
this.nettyClient = nettyClient;
this._id = this.nettyClient.id;
this.request = nettyClient.request;
this.sockets = {};
this.nsps = {};
}
get id() {
return this._id;
return this.conn.id;
}
on(event: string, callback: (...args: any[]) => void) {
this.event.on(event, callback);
return this
connect(name, query) {
if (this.server.nsps[name]) {
// console.debug(`connecting to namespace ${name}`);
return this.doConnect(name, query);
}
emit(event: string, ...args: any[]): boolean {
this.server.checkNamespace(name, query, (dynamicNsp) => {
if (dynamicNsp) {
// console.debug('dynamic namespace %s was created', dynamicNsp.name);
this.doConnect(name, query);
} else {
// console.debug('creation of namespace %s was denied', name);
this.packet({
type: PacketTypes.MESSAGE,
sub_type: SubPacketTypes.EVENT,
name: event,
data: args[0]
sub_type: SubPacketTypes.ERROR,
nsp: name,
data: 'Invalid namespace'
});
}
})
return true;
}
send(data: any) {
this.emit("message", data);
doConnect(name, query) {
var nsp = this.server.of(name);
if ('/' != name && !this.nsps['/']) {
this.connectBuffer.push(name);
return;
}
process(packet: Packet) {
this.event.emit(packet.name, packet.data);
var socket = nsp.add(this, query, () => {
this.sockets[socket.id] = socket;
this.nsps[nsp.name] = socket;
if ('/' == nsp.name && this.connectBuffer.length > 0) {
this.connectBuffer.forEach(this.connect, this);
this.connectBuffer = [];
}
});
}
packet(packet: Packet) {
this.nettyClient.send(parser.encode(packet))
this.conn.send(parser.encode(packet))
}
onclose(reason: string) {
// debug('client close with reason %s', reason);
// ignore a potential subsequent `close` event
this.destroy();
// `nsps` and `sockets` are cleaned up seamlessly
for (var id in this.sockets) {
if (this.sockets.hasOwnProperty(id)) {
this.sockets[id].onclose(reason);
}
}
this.sockets = {};
// this.decoder.destroy(); // clean up decoder
};
close() {
// if ('open' == this.conn.readyState) {
// debug('forcing transport close');
this.conn.close();
this.onclose('forced server close');
// }
}
remove(socket: Socket) {
if (this.sockets.hasOwnProperty(socket.id)) {
var nsp = this.sockets[socket.id].nsp.name;
delete this.sockets[socket.id];
delete this.nsps[nsp];
} else {
// debug('ignoring remove for %s', socket.id);
}
}
destroy() {
// this.conn.removeListener('data', this.ondata);
// this.conn.removeListener('error', this.onerror);
// this.conn.removeListener('close', this.onclose);
// this.decoder.removeListener('decoded', this.ondecoded);
};
}

31
packages/websocket/src/socket-io/index.ts
View File

@ -32,7 +32,7 @@ class Server implements SocketIO.Server {
this.event = new EventEmitter();
this.allClients = {};
this.nsps = {};
this.sockets = new Namespace('/');
this.sockets = new Namespace('/', this);
this.nsps['/'] = this.sockets;
this.initNettyServer(pipeline, options);
}
@ -84,6 +84,7 @@ class Server implements SocketIO.Server {
throw new Error("Method not implemented.");
}
onconnection(socket: any): SocketIO.Server {
this.allClients[socket.id] = socket;
socket.packet({
type: PacketTypes.OPEN,
data: {
@ -96,9 +97,9 @@ class Server implements SocketIO.Server {
this.sockets.add(socket);
return this;
}
of(nsp: string): SocketIO.Namespace {
of(nsp: string): Namespace {
if (!this.nsps[nsp]) {
this.nsps[nsp] = new Namespace(nsp);
this.nsps[nsp] = new Namespace(nsp, this);
}
return this.nsps[nsp];
}
@ -140,6 +141,12 @@ class Server implements SocketIO.Server {
compress(...args: any[]): SocketIO.Namespace {
throw new Error("Method not implemented.");
}
// ===============================
checkNamespace(name, query, fn) {
fn(false);
};
disable() {
this.nettyServer.disable();
}
@ -176,18 +183,22 @@ class Server implements SocketIO.Server {
}
private processSubPacket(packet: Packet, client: Client) {
switch (packet.sub_type) {
case SubPacketTypes.CONNECT:
client.packet(packet);
break;
case SubPacketTypes.EVENT:
client.process(packet);
break;
let namespace = this.nsps[packet.nsp]
if (!namespace) {
client.packet({
type: PacketTypes.MESSAGE,
sub_type: SubPacketTypes.ERROR,
data: 'not support dynamic namespace'
});
client.close();
return;
}
namespace.process(packet, client);
}
}
export {
Server,
Socket,
Server as SocketIOServer,
Client as SocketIOClient
}

50
packages/websocket/src/socket-io/namespace.ts
View File

@ -6,31 +6,41 @@ import { ServerEvent } from '../server';
import { Socket } from './socket';
import { Adapter } from './adapter';
import { Server } from './index'
import { Packet } from './packet';
import { SubPacketTypes } from './types';
export class Namespace extends EventEmitter implements SocketIO.Namespace {
name: string;
server: Server;
sockets: { [id: string]: SocketIO.Socket; };
connected: { [id: string]: SocketIO.Socket; };
sockets: { [id: string]: Socket; };
connected: { [id: string]: Socket; };
adapter: SocketIO.Adapter;
json: SocketIO.Namespace;
constructor(name: string) {
constructor(name: string, server: Server) {
super();
this.name = name;
this.server = server;
this.sockets = {};
this.connected = {};
this.adapter = new Adapter(this);
}
initAdapter() {
let adp = this.server.adapter()
this.adapter = new adp()
// @ts-ignore
this.adapter = new (this.server.adapter())()
}
add(client: Client) {
let nameClient = new Socket(this, client, {});
this.sockets[client.id] = nameClient;
client.nsps[this.name] = nameClient;
this.onconnection(nameClient);
add(client: Client, query?: any, callback?: () => void) {
// client.conn.request.url();
let socket = new Socket(this, client, {});
this.sockets[client.id] = socket;
client.nsps[this.name] = socket;
this.onconnection(socket);
return socket;
}
del(client: Client) {
let socket = this.sockets[client.id];
socket.disconnect();
delete this.sockets[client.id];
}
use(fn: (socket: SocketIO.Socket, fn: (err?: any) => void) => void): SocketIO.Namespace {
// TODO
@ -56,6 +66,26 @@ export class Namespace extends EventEmitter implements SocketIO.Namespace {
compress(compress: boolean): SocketIO.Namespace {
throw new Error("Method not implemented.");
}
process(packet: Packet, client: Client) {
switch (packet.sub_type) {
case SubPacketTypes.CONNECT:
this.add(client);
break;
case SubPacketTypes.DISCONNECT:
this.del(client);
break;
case SubPacketTypes.EVENT:
this.sockets[client.id].onpacket(packet);
break;
}
}
remove(socket: Socket) {
if (this.sockets.hasOwnProperty(socket.id)) {
delete this.sockets[socket.id];
} else {
// debug('ignoring remove for %s', socket.id);
}
}
private onconnection(socket: any) {
let client = socket as Socket;
this.sockets[client.id] = client;

131
packages/websocket/src/socket-io/socket.ts
View File

@ -1,19 +1,23 @@
import { EventEmitter } from 'events'
import { SocketIOClient } from "socket-io";
import { SocketIO } from "./interfaces";
import { Packet } from './packet';
import { PacketTypes, SubPacketTypes } from './types';
import { Client } from './client';
import { Namespace } from './namespace';
export class Socket extends EventEmitter implements SocketIO.Socket {
nsp: SocketIO.Namespace;
private event: EventEmitter;
nsp: Namespace;
server: SocketIO.Server;
adapter: SocketIO.Adapter;
id: string;
request: any;
client: SocketIOClient;
client: Client;
conn: SocketIO.EngineSocket;
rooms: { [id: string]: string; };
acks: { [id: string]: Function; };
connected: boolean;
disconnected: boolean;
handshake: SocketIO.Handshake;
@ -23,22 +27,25 @@ export class Socket extends EventEmitter implements SocketIO.Socket {
fns: any[];
_rooms: string[];
constructor(nsp, client, query) {
constructor(nsp: Namespace, client: Client, query = {}) {
super();
this.nsp = nsp;
this.server = nsp.server;
this.adapter = this.nsp.adapter;
this.id = nsp.name !== '/' ? nsp.name + '#' + client.id : client.id;
this.client = client;
this.request = client.request;
this.conn = client.conn;
this.rooms = {};
// this.acks = {};
this.acks = {};
this.connected = true;
this.disconnected = false;
// this.handshake = this.buildHandshake(query);
this.fns = [];
// this.flags = {};
this._rooms = [];
this.event = new EventEmitter();
}
to(room: string): SocketIO.Socket {
@ -81,7 +88,8 @@ export class Socket extends EventEmitter implements SocketIO.Socket {
this.rooms = {};
}
disconnect(close?: boolean): SocketIO.Socket {
throw new Error("Method not implemented.");
this.client.close();
return this;
}
compress(compress: boolean): SocketIO.Socket {
throw new Error("Method not implemented.");
@ -90,12 +98,42 @@ export class Socket extends EventEmitter implements SocketIO.Socket {
throw new Error("Method not implemented.");
}
packet(packet: Packet) {
this.client.packet(packet);
// ==========================================
buildHandshake(query): SocketIO.Handshake {
let requestQuery = this.request.uri();
return {
headers: this.request.headers(),
time: (new Date) + '',
address: this.conn.remoteAddress,
xdomain: !!this.request.headers.origin,
secure: !!this.request.connection.encrypted,
issued: +(new Date),
url: this.request.url,
query: Object.assign(query, requestQuery)
}
}
on(event: string, callback: (...args: any[]) => void) {
this.event.on(event, callback);
return this
}
emit(event: string, ...args: any[]): boolean {
this.packet({
type: PacketTypes.MESSAGE,
sub_type: SubPacketTypes.EVENT,
name: event,
data: args[0]
})
return true;
}
packet(packet: Packet) {
packet.nsp = this.nsp.name;
this.client.packet(packet);
}
onconnect() {
this.nsp.connected[this.id] = this;
this.client.sockets[this.id] = this;
this.join(this.id);
// var skip = this.nsp.name === '/' && this.nsp.fns.length === 0;
// if (skip) {
@ -107,4 +145,81 @@ export class Socket extends EventEmitter implements SocketIO.Socket {
});
// }
}
onclose(reason) {
if (!this.connected) return this;
// debug('closing socket - reason %s', reason);
this.emit('disconnecting', reason);
this.leaveAll();
this.nsp.remove(this);
this.client.remove(this);
this.connected = false;
this.disconnected = true;
delete this.nsp.connected[this.id];
this.emit('disconnect', reason);
};
onpacket(packet: Packet) {
switch (packet.sub_type) {
case SubPacketTypes.EVENT:
this.onevent(packet);
break;
case SubPacketTypes.BINARY_EVENT:
this.onevent(packet);
break;
case SubPacketTypes.ACK:
this.onack(packet);
break;
case SubPacketTypes.BINARY_ACK:
this.onack(packet);
break;
case SubPacketTypes.DISCONNECT:
this.ondisconnect();
break;
case SubPacketTypes.ERROR:
this.onerror(new Error(packet.data));
}
}
onerror(error: Error) {
}
ondisconnect() {
this.onclose
}
onevent(packet: Packet) {
// console.debug('emitting event %j', args);
if (null != packet.id) {
// console.debug('attaching ack callback to event');
this.dispatch(packet, this.ack(packet.id))
}
this.dispatch(packet);
};
ack(id: number) {
var sent = false;
return (...args: any[]) => {
if (sent) return;
this.packet({
id: id,
type: PacketTypes.MESSAGE,
sub_type: this.hasBin(args) ? SubPacketTypes.BINARY_ACK : SubPacketTypes.ACK,
data: args
});
sent = true;
}
}
onack(packet: Packet) {
var ack = this.acks[packet.id];
if ('function' == typeof ack) {
// debug('calling ack %s with %j', packet.id, packet.data);
ack.apply(this, packet.data);
delete this.acks[packet.id];
} else {
// debug('bad ack %s', packet.id);
}
}
dispatch(packet: Packet, ack?: Function) {
if (ack) { this.acks[packet.id] = ack; }
this.event.emit(packet.name, packet.data)
}
private hasBin(obj: any) {
return false;
}
}