Connect Timeout:
Currently, the common method for setting SOCKET connect timeout on each platform is to use select (). The specific method is as follows:
1. Establish socket;
2. Set the socket to non-blocking mode;
3. Call connect ();
4. Use select (
1. Set the flag bit to Non-blocking mode, and call the connect function in Non-blocking mode.2. call connect. Normally, the TCP three-way handshake takes some time, but the non-blocking call will return an error if it cannot be completed immediately.
Socket programming practices in Linux (5) solutions for setting socket I/O timeout
(1) Use the alarm function to set timeout
#include
unsigned int alarm(unsigned int seconds);
Its main function is to set a signal transmission alarm.
Link: http://gcody.blog.ccidnet.com/blog-htm-do-showone-type-blog-itemid-217292-uid-36931.html
[From] http://dev.cbw.com/c/c/200510195601_4292587.shtml
1. Set the flag bit to non-blocking mode, and call the connect function in non-blocking mode.2.
In the PHP development work very much uses in the timeout processing to the timeout situation, I said several scenes:
1. Get data asynchronously if one of the backend data sources is unsuccessful, skip, not affect the entire page presentation
2. To
In PHP development, I often use timeout processing to timeout. I will talk about several scenarios, it is convenient for users who need to work in PHP development to use timeout handling to timeout. I will talk about several scenarios:
1.
The appropriate JDBC timeout setting can effectively reduce the time to service failure. This article describes the various time-out settings for the database and how to set it up.Real case: Application Server cannot respond after a DDoS attackAfter
What is socket
A socket interface is an API of a TCP/IP network. A socket interface defines many functions or routines. programmers can use it to develop applications on a TCP/IP network. To learn TCP/IP network programming on the internet, you
1. IntroductionThe rise of Linux is a miracle created by the Internet. Linux, as a free software that fully opens its original code, is compatible with various Unix standards (such as POSIX, UNIX System V, and bsd unix) multi-user, multi-task
Document directory
1. Introduction
2. What is socket?
3. Three types of socket
4. Use a socket to send data
5. Data Structure of socket in Linux
6. Network byte sequence and its conversion functions
7. IP address conversion
8. byte
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.