aws simple queue service

Today, Java Message Service and message-driven bean are simple programming. It is mainly to import the JMS package and use the jms api for programming. The concept is also clear, that is, how to use JMS is basic. MainlyUse a queue for one-to-one message publishing; and topic for one-to-multiple, or multiple-to-many message Publishing. The message will be automat

to be turned on and all need to run as an administrator. Using System; Using System.Collections.Generic; Using System.Linq; Using System.Text; Namespace Httplistenerapp { class program { static void Main (string[] args) { //Open Request listener httpprovider.init ();}} The results after execution are: Here a simple HTTP service program is implemented using HttpListener in a

loop request has data to be sent, because it is fast enough to look like multi-process processing.The disadvantage of this model is that when more and more connections, for the polling time spent more and more, when there are thousands of connections, actually only one client has data to send, the service side is still an endless poll to ask, to find whether there is a request. Then there is the improved version of the SELEC model

convert it to the network order. Here we call inet_pton to implement this function, this function supports IPv6. After setting these basic information, you can use the connect function to connect to the server. 3. Read the time information. Because Linux abstracts all devices into files, you can read the socket information just like reading local files. Then let's look at the server-side program: The main difference between this program and the client program is as follows: # Include 1.