websocket example

WebSocket and the traditional socket programming, although there are differences, but also there is a concept of the same, also sub-server and client.Main differences For WebSocket, the client is written by JS write callback function to complete the interaction, while the traditional socket, you need to connect the port, through the input and output stream to pass information, complete the interact

WebSocket JavaScript API (client) websocket.onopen #当打开一个新的连接时会调用这个方法 websocket.onmessage #当server有数据返回时调用 websocket.send () #向服务端发送信息, type includes {string| arraybuffer| arraybufferview| BLOB} websocket.close () #向服务器发送关闭的请求, parameter {number} [code] {string} [reason], with related code table, generally use this method to close code 1000, directly close the browser to 1006, Close_abnormal Status Co

Today, many Web sites are polled for the technology they use to implement push technology. Polling is at a specific time interval (such as every 1 seconds), the browser sends an HTTP request to the server, and then the server returns the latest data to the client's browser. This traditional pattern brings with it the obvious drawback that the browser needs to constantly make requests to the server, but the header of the HTTP request is very long, and the data contained in it may be a small value

Knowing HTML5 's websocket in the HTML5 specification, my favorite Web technology is the WebSocket API that is rapidly becoming popular. WebSocket offers a popular technology to replace the AJAX technology we've been using for the past few years. This new API provides a way to effectively push messages to the server from the client using simple syntax. Let's take

I need to understand the following questions: What are the differences and connections between sockets and WebSocket? What's the relationship between WebSocket and HTML5? Do I have to use WebSocket in a browser? Can the WebSocket transmit raw data like a Socket? Is

: Return ' Please use WebSocket protocol ' # WebSocket connection has succeeded Ws_list.append (WS) while True: # waits for the user to send a message, and accepts MSG = Ws.receive () # Close: Message=none if not Message:WS_LIST.remove (WS) break for item in Ws_list: Item.Send (message) return "..." if __name__ = = ' __main__ ': http_server = Wsgiserver (' 0 .0.0.0 ',,,),

Configuring Nginx support WebSocket Basic literatureNginx is a popular Web server system, the market share is about to surpass the second-ranked IIS, currently, the world's most visited sites, 30% use Nginx. Therefore, support for WebSocket is a very large requirement in the Nginx community. Nginx supports WebSocket, which allows users to extend and simplify ngin

choice: WebSocket. Its standards were released in 2011 and have been in place for some time in modern browsers. It is better because the use of safer and more mature protocols has brought improvements and upgrades. Slightly note: This comparison was made a few months ago and may not be timely enough, but if someone is looking for a good websocket library, I think it will still be useful to him. This com

implementation has its own set of APIs, where we do not go into detail WebSocket concrete implementation, I can not speak, at least not now.Here we use the more accessible node. JS's Socket.io to do the communication framework,Socket.io to make long-connected communication is very simple, the server can no longer wait for the client's request to send a message directly to the client, According to this characteristic, the data communication synchroniz

Client-server interaction comparison with native instances (comparing ajax, server-sent event, websocket/netsocket), websocketnetsocket I learned the native instance of websocket yesterday and thought it is necessary to put several common client-serverRefreshingInteractive forms: I. Ajax: the client determines when to send requests to the Server. Such as refreshing comments and refreshing images. The main p

This article uses Swoole to implement PHP + websocket chat rooms. The process is detailed and helpful for the development of chat rooms. if you need it, you can refer to the study. Websocket Websocket is only a network communication protocol Just like http and ftp, they are all network communication protocols; Compared with non-persistent protocols such as HTTP

My favorite Web technology in the HTML5 specification is the WebSocket API that is rapidly becoming popular. WebSocket offers a popular technology to replace the AJAX technology we've been using for the past few years. This new API provides a way to effectively push messages to the server from the client using simple syntax. Let's take a look at HTML5 's websocket