client can send an XMLHttpRequest request asynchronously, notifying the server to close the data connection.Maintain "heartbeat" information between the customer and the serverMaintaining a long connection between the browser and the server creates some uncertainty for communication: Because the data transfer is random, the client does not know when the server will be able to transmit data. The server side
RABBITMQ consumer creates a channel object by establishing a connection to the queue, obtains a message through the channel channels,Consumer can proactively get messages from the queue in a declarative way with API polling poll, or passively consume messages from a queue by subscribing,Recently read the Java-based client
The first step is to read the development documentation for Sina Weibo to learn how to pull messages to the server, and here is his development documentationThe second step is based on his documentation, where we initiate the request (a GET request) in the client format as followsNote: The count parameter is the number of data bars returned by the server, where I
Mainloop background thread is started, the loop gets the packet (frame) from the socket (Framehandler), and the call to Channel.handleframe (frame frame) processing message, public void Handleframe (frame frame) throws IOException { amqcommand command = _command; if (Command.handleframe (frame)) {//protocol to the message assemble _command = new Amqcommand (); Prepare for the next one Handlecompleteinboundcommand (command)//For message consumption processing } } Channeln.handlecompleteinb
, 203.129.72.215)
This kind of proxy server still sends the client's real IP to the Access object, it can't achieve the purpose of hiding the real identity.
Third, the use of ordinary anonymous proxy server PHP get client IP situation: Anonymous Proxies
REMOTE_ADDR = Last Proxy server IPhttp_x_forwarded_for = Proxy Server IP (this value is similar across multiple proxy servers: 203.98.182.163, 203.98.182.16
value is similar to: 221.) 5. 252. 160, 203. 98. 182. 163, 203. 129. 72. 215)This kind of proxy server still sends the client's real IP to the Access object, it can't achieve the purpose of hiding the real identity.Third, the use of ordinary anonymous proxy server PHP to obtain the client IP situationREMOTE_ADDR= Last Proxy Server IPHTTP_X_FORWARDED_FOR= Proxy Server IP (this value is similar when multiple proxy servers are passed: 203.) 98. 182. 163
A more reasonable solution to allow the client to get intermediate process information in a lengthy server-side event
I think the solution to the long server-side event, which gives the client access to intermediate process information, is unreasonable and technically misused, and the full Ajax Word can easily mislead readers.
Original demand:
b/S structure of
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