@wishcore/wish-sdk/dist/src/sdk.js

Wish API for node. Used for building Wish Apps.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.App = void 0;
const net_1 = require("net");
const protocol_1 = require("./protocol");
const events_1 = require("events");
const peer_1 = require("./peer");
const BSON = new (require('bson-buffer'))();
class App extends events_1.EventEmitter {
    constructor(opts) {
        super();
        this.opts = opts;
        this.host = '127.0.0.1';
        this.port = 9094;
        this.requestMap = {};
        this.id = 0;
        this.peers = {};
        this.state = 'connecting';
        this.host = opts.coreHost || '127.0.0.1';
        this.port = opts.corePort;
        this.name = opts.name;
        this.protocols = opts.protocols || [];
        this.connect();
    }
    send(peer, frame) {
        return __awaiter(this, void 0, void 0, function* () {
            return this.requestAsync('services.send', [peer, frame]);
        });
    }
    requestAsync(op, args) {
        return new Promise((resolve, reject) => {
            this.requestMap[++this.id] = (msg) => {
                if (msg.err) {
                    return reject(msg.data);
                }
                resolve(msg.data);
            };
            this.tcp.write(this.createFrame({ op, args, id: this.id }));
        });
    }
    request(op, args, cb) {
        if (typeof cb !== 'function') {
            return new Promise((resolve, reject) => {
                this.requestMap[++this.id] = (msg) => {
                    if (msg.err) {
                        return reject(msg.data);
                    }
                    resolve(msg.data);
                };
                this.tcp.write(this.createFrame({ op, args, id: this.id }));
            });
        }
        this.requestMap[++this.id] = (msg) => { cb(!!msg.err, msg.data); };
        this.tcp.write(this.createFrame({ op, args, id: this.id }));
        return this.id;
    }
    requestBare(op, args, cb) {
        this.requestMap[++this.id] = cb;
        this.tcp.write(this.createFrame({ op, args, id: this.id }));
        return this.id;
    }
    connect() {
        return __awaiter(this, void 0, void 0, function* () {
            this.tcp = new net_1.Socket();
            this.protocol = new protocol_1.SocketProtocol(this.tcp);
            this.waitFrame();
            this.tcp.connect(this.port, this.host, () => {
                const wsid = Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex');
                wsid.write(this.name, 0);
                this.tcp.write(this.createLoginFrame({ wsid, name: this.name, protocols: this.protocols, permissions: [] }));
            });
            this.tcp.on('close', function () {
                console.log('Connection closed');
            });
        });
    }
    /** Cancel and/or terminate request by id */
    cancel(requestId) {
        delete this.requestMap[requestId];
    }
    waitFrame() {
        return __awaiter(this, void 0, void 0, function* () {
            this.protocol.expect(2, (error, data) => {
                if (error) {
                    return console.log('Failed waiting for frame header', error);
                }
                const len = data.readInt16BE(0);
                this.protocol.expect(len, (error, data) => {
                    this.waitFrame();
                    const msg = BSON.deserialize(data);
                    if (msg.signal === 'ready') {
                        if (this.state === 'connecting') {
                            this.tcp.write(this.createFrame({ ready: true }));
                            this.state = 'connected';
                            this.emit('ready', true);
                        }
                        return;
                    }
                    if (msg.type === 'frame') {
                        this.emit('frame', peer_1.Peer.from(msg.peer), msg.data);
                        return;
                    }
                    if (msg.type === 'peer') {
                        const peer = peer_1.Peer.from(msg.peer);
                        const url = peer.toUrl();
                        this.peers[url] = peer;
                        if (peer.online) {
                            this.emit('online', peer);
                        }
                        else {
                            this.emit('offline', peer);
                        }
                        return;
                    }
                    if (msg.err || msg.sig || msg.ack) {
                        const id = msg.err || msg.sig || msg.ack;
                        if (this.requestMap[id]) {
                            this.requestMap[id](msg);
                            if (!msg.sig) {
                                delete this.requestMap[id];
                            }
                        }
                        return;
                    }
                    console.log('msg', msg);
                });
            });
        });
    }
    createFrame(data) {
        const body = BSON.serialize(data);
        const header = Buffer.alloc(2);
        header.writeInt16BE(body.length, 0);
        return Buffer.concat([header, body]);
    }
    createLoginFrame(data) {
        return Buffer.concat([Buffer.from('W.\x19'), this.createFrame(data)]);
    }
}
exports.App = App;
//# sourceMappingURL=sdk.js.map