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我正在为我的网站编写一个类似于 node.js Facebook 的聊天插件,但我遇到了服务器在一天后崩溃的问题。我认为问题在于我的 session.event.addListener 阻塞了侦听器数组,导致崩溃。这是我添加侦听器的代码:

this.events.addListener('update', o_.bind(function(package) {
    if(this.clear != 0){
        delete this.sessions[this.clear];
        break; //will this break stop a listener from being added?
    }
    var _package = package.toJSON();
    if(package.type == 'status' && package.status == 'offline') {
        var sids = Object.keys(this.sessions), sid, sess;
        for(sid in this.sessions) {
            sess = this.sessions[sid];
            if(sess.data('username') == package.username) {
                if(sess.listeners.length)
                    sess.send(200, {type: 'goodbye'});
                delete this.sessions[sid];
                break; //here too
            }
        }
    }
}, this));
};

if 语句中的中断是否允许不添加侦听器,因为我不确定它是否有效。谢谢!

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