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Martin Hope
HoldFast42
Asked: 2020-07-20 04:27:07 +0000 UTC
  • 0

累了，在Node上做了一个小服务器，开头是这样的：

 var https = require('https');
    var fs = require('fs');
    var privateKey = fs.readFileSync('/etc/letsencrypt/live/******/privkey.pem', 'utf8');
    var certificate = fs.readFileSync('/etc/letsencrypt/live/******/cert.pem', 'utf8');
    var credentials = {
        key: privateKey,
        cert: certificate
    };
    var express = require('express');
    var app = express();
    var httpsServer = https.createServer(credentials, app);
    httpsServer.listen(8443);
    var io = require('socket.io').listen(httpsServer);

io.sockets.on('connection', function(socket) { *** }

一开始一切都很好，:8443/socket.io/socket.io.js 可用，但是一旦涉及到握手，服务器就会崩溃并出现错误nodejs: ../src/util-inl.h:196: TypeName* node::Unwrap(v8::Local<v8::Object>) [with TypeName = node::TLSWrap]: Assertion(object->InternalFieldCount()) > (0)'失败的。中止（核心转储）`端口已打开，证书正确，安装了必要的模块。有什么收获？

node.js
Martin Hope
HoldFast42
Asked: 2020-12-02 13:48:53 +0000 UTC
  • 1

底线是，nodejs 上有一个普通的 websocket 服务器

 var io = require('socket.io').listen(httpsServer);
    io.sockets.on('connection', function(socket) {
        var ID = (socket.id).toString();
        console.log(socket);
        socket.on('message', function(msg) {
            socket.send(msg);
        });
        socket.on('disconnect', function() {
            console.log(ID+" disconnect");
        });
    });

和一个平庸的客户

var socket = io.connect('https://********:8443');
socket.on('connect', function () {
  socket.on('message', function (msg) {
    console.log(msg);
  });
});

在服务器上重启nodejs时，客户端重新连接（如果页面没有重新加载），但之前的连接仍然存在。所以在发送消息时 socket.send({test: ''}); 返回的不是一个，而是 n 条消息。怎么修？

javascript