Socket.IO | 易学教程

Cannot find module “socket.io”

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问题 Hi i am trying to run the nodejs script and it pops up the following error message: I have installed socket.io globally using following command: >npm install -g socket.io but still no luck. Any help? 回答1: Use it locally instead, and save to your package.json npm install socket.io --save 来源： https://stackoverflow.com/questions/26521905/cannot-find-module-socket-io

Socket is not connected in iOS Swift?

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问题 I tried to connect the server using a socket but it refuses to connect. Here I am trying to send the query parameter(token) with the base URL to connect the server. But still, it's not connecting. Here is console output error: manager <SocketIO.SocketManager: 0x283542f00> 2020-01-23 17:59:12.872248+0530 A8FlowSampleApp[34442:7736351] LOG SocketIOClient{/}: Handling event: statusChange with data: [connecting, 2] 2020-01-23 17:59:12.872415+0530 A8FlowSampleApp[34442:7736351] LOG SocketIOClient{

How synchronise socketIO connection ID's on client and server?

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问题 I have a javascript GameClient that uses SocketIO to send messages to a nodeJs server. Multiple users can open the GameClient separately and send messages to the server. GameClient GameClient ---> NodeJS Server GameClient The server can send messages to specific clients using io.to(socketid).emit() . The code looks something like this: CLIENT this.socket = io({ timeout: 60000 }) this.socket.on('connect', () => Settings.getInstance().socketid = this.socket.id) this.socket.on('reconnect',

Dispatch action on the callback of socket.on()

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问题 So basically I got this socket, that is working correctly sending me 'new order' message. I'm using redux, and i want to dispatch an action, than a reducer would get it and my store would be updated. but this code doesn't do anything! socket.on('new order', (order) => { return (dispatch) => { dispatch(socketNewOrder(order)); } }); And here is my action, which is located at the same file: export const socketNewOrder = (order) => { return { type: 'SOCKET_NEW_ORDER', payload: order } } I also

Can i use Socket.io with Spring-boot?

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问题 I am gonna develop a real time game for andriod/ios and i need a server which transmit data with client real time. Can i use socket.io with Spring boot? Or if the answer is no , using websockets with Spring boot is the solution? 回答1: Probably this library could be useful for your needs. By the way Socket.io will try to use WebSocket API. In case if it's not supported by the browser then Socket.io will gracefully fallback to something else. 回答2: The original Socket.IO server is designed to be

Can i use Socket.io with Spring-boot?

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Running Matter.js on a Node server

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问题 I'm trying to run a server that runs a physics simulation on a server and have clients connect to this server via websockets/socket.io. I know I can calculate the Engine separately from the rendering with Matter.js. So my question is, how do I get the engine data to the client? I have a Game class, and on socket connection, I want to emit the World to the client to render. var g = new Game() g.initEngine() io.sockets.on('connection', function(socket) { io.emit('gamestate', g.getGameState()) }

Express+Socket.IO 实现简易聊天室

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代码地址如下：<br> http://www.demodashi.com/demo/12477.html 闲暇之余研究了一下 Socket.io，搭建了一个简易版的聊天室，如有不对之处还望指正，先上效果图: 首先是登录页面: 接下来就是聊天页面: Socket.IO是Node.js的一个模块，它提供通过WebSocket进行通信的一种简单方式，WebSocket协议很复杂，但是Socket.IO提供了服务器和客户端双方的组件，所以只需要一个模块就可以给应用程序加入对WebSocket的支持，而且还能支持不同的浏览器哦。关于其详细介绍请参考官网 SocketIO 官网，这里呢我们还是直接上代码。首先是创建 Socket 服务, 我们的项目启动文件 bin/www，我们就来修改它: // bin/www var app = require('../app'); var debug = require('debug')('websocket:server'); var http = require('http'); /** * Get port from environment and store in Express. */ var port = normalizePort(process.env.PORT || '3070'); app.set('port', port); /*

Socket.io的集群方案

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介绍 Nodejs因其简单方便，在服务端应用市场也开始占有一席之地，其另外一个分支--socket.io（最后跟nodejs好像又要合并了），特别适合聊天室、白板（document collabration）、在线实时计算、计数器等应用，如果要支持大容量应用，就需要使用集群技术了，下面逐一讨论常见的socket.io集群方案。集群方案在官网介绍的方案有使用ngix反向代理方案。这种方案比较简单不需要修改业务代码可以直接布署，通过iphash轮调算法保存用户分配到同一个进程。 vi /etc/nginx/conf/nginx.conf http { upstream io_nodes { ip_hash; server 127.0.0.1:6001; server 127.0.0.1:6002; server 127.0.0.1:6003; server 127.0.0.1:6004; } server { listen 3000; server_name io.yourhost.com; location / { #为支持转发WebSocket数据，加上upgrade头 proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_set_header X

React Native, NodeJS, Socket.io

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问题 i am trying to implement a 1-1 private messaging feature inside my app, where 2 users can exchange messages live if they are both on the chat screen at the same time and if not the messages get stored in my postgres database and when the user opens the chat again they are loaded. Currently with my code, when both users chat are open, when i try sending a message, the message does not get sent live i need to refresh the app in order for the chat to update. I think my socket is working since my