ajax websocket

Websocket message push implementation and websocket message push I. Service Layer 　　 Package com. demo. websocket; import java. io. IOException; import java. util. iterator; import java. util. concurrent. concurrent1_queue; import javax. servlet. servletContextEvent; import javax. servlet. servletContextListener; import org. springframework. context. annotation.

of data to pay a huge price, it is very uneconomical, occupy a lot of broadband.Disadvantage: can cause excessive unnecessary requests, waste traffic and server resources, every request, reply, wasted a certain amount of traffic on the same header informationHowever, the appearance of websocket can compensate for this shortcoming. In WebSocket, only the server and browser are required to perform a handshak

[This article is original, if reproduced, please indicate the source http://blog.csdn.net/yl02520/article/] Browser has supported the HTTP protocol, so why develop a new websocket protocol? We know that the HTTP protocol is a one-way network protocol, after the connection is established, it only allows Browser/ua (useragent) to send webserver request resources, webserver can return the appropriate data. And webserver can not take the initiative to pus

A:websocket introductionWebSocket is a natural, full-duplex, bidirectional, single socket connection. With WebSocket, your HTTP request becomes a single request to open the WebSocket connection (websocket or websocket over TLS (Transport layer Security, Transport layer safety, formerly "SSL"), and reuse the same connec

1. WebSocket Concept WebSocket is a network technology provided by HTML5 for full-duplex communication between the Client and the Server. Duplex refers to two communication devices that allow two-way data transmission. After the Client and Server establish a connection through WebSocket Protocol, both parties can transmit data to each other and both parties can c

princess's feelings continue to warm up, we began to keep a group of pigeons called Ajax, so that we can quickly write our little poem small words to the princess. If the princess think of us, we can also when there is a carrier pigeon to come, her handkerchief or something tied to the pigeon leg to send us back. HTML5 era, we and the relationship between the princess began to be inseparable, just rely on letters and notes can not be satisfied, fortu

First, WebSocket Overview The WebSocket protocol is based on the TCP protocol, not the HTTP protocol.As follows:ws://127.0.0.1 or wss://127.0.0.1 is the websocket request.Note: ws represents WebSocket protocol, WSS represents an encrypted WebSocket agreement. The

1. What is websocket?API Websocket API is the asynchronous communication method of the Next Generation client-server. This communication replaces a single TCP socket. It uses ws or WSS protocol and can be used for any client or server program. Websocket is currently standardized by W3C. Websocket has been received by

The example in this paper describes PHP based on WebSocket to build a simple chat room practice. Share to everyone for your reference. Specific as follows: 1. Preface Company game inside there is a simple chat room, understand the later only know is Node+websocket do, think of PHP also to do a simple chat room. So gather all kinds of information to look at the document, find the instance oneself also wrot

In B/S model Web applications, the client often needs to maintain continuous updates with the server. Such applications that require high timeliness include stock price queries, real-time commodity prices, automatically updated Twitter timeline, and browser-based chat systems (such as Gtalk. Due to the rise of Ajax technology in recent years, there have also been many implementation methods. This article will describe these methods and demonstrate the

Websocket server handshake protocol test webpage code, websocket handshake The test webpage code is as follows:

. ':' . $ERRSTR); $wsData = Fread ($this->_socket, 2000); $retData = Trim ($wsData, Chr (0). chr (255)); return $retData; } Private Function Encode ($data) {$data = Is_array ($data) | | is_object ($DATA)? Json_encode ($data): (String ) $data; $len = strlen ($data); $mask = Array (); for ($j = 0; $j Can send an array to the server, how to receive data? Http://www.workerman.net/workerman-chatCan look at this, php written