meoser/src/transport.js

meos protocol engine

import {
    WORKING_MODE
} from './setting';
class Transport {
    /**
     * Create a transporter.
     */
    constructor() {
        this.isOnlineInited = false;
        this.sender_ = () => {
            console.warn('Please make sure of setting the sender')
        };
        this.onlineReceiver_ = (buffData) => {};
        this.currentMode = WORKING_MODE[0]; // 默认离线
    }

    /**
     *
     * @param  {Function} fn the sender
     * @return {Undefined}
     */
    set sender(fn) {
        if (typeof fn === 'function') {
            this.sender_ = fn;
        }
    }

    get send() {
        return this.sender_;
    }

    set onlineReceiver(fn) {
        if (typeof fn === 'function') {
            this.onlineReceiver_ = fn;
        }
    }

    get receiveOnline() {
        return this.onlineReceiver_;
    }

    /**
     * 检查是否在线
     * @return {[type]} [description]
     */
    checkOnline() {
        return this.currentMode === WORKING_MODE[1];
    }

    initOnlineMode(engine) {
        if (engine && !this.isOnlineInited) {
            this.isOnlineInited = true;
            let sender = this.send;
            let driver = {
                send: sender,
                onReceived: (parse, driver) => {
                    this.onlineReceiver = (buff) => {
                        parse.checksumRcvbuf(buff, driver);
                    };
                }
            };
            engine.setDriver(driver);
        }
    }
}

export default new Transport();