How to develop nginx after installation

(*-*)浩
Release: 2019-11-01 10:08:29
Original
3340 people have browsed it

How to develop nginx after installation

Thanks to the modular design of nginx, it is very convenient to use nginx for modular development, but it also brings about the problem of complex code and difficulty in reading, First, let’s take a look at how the http module is prepared. The function (or handler, handle) that actually handles http requests is ngx_http_wait_request_handler.

rev->handler = ngx_http_wait_request_handler;
Copy after login

Taking this function as an example, let’s take a look at how the http module mounts this handler, as shown below

How to develop nginx after installation

ngx_http_block () is a typical module function in nginx. This function will be called when the entire module is loaded.

After the handler is hung, when will this handler be called?

This depends on the event module of nginx. The function implemented by the event module is to register the fd used for accept in epoll. When a client request comes, a new connfd is generated, and then Take out a connection from the connection pool, initialize the connection (that is, write the callback of our read and write events and other things into the connection), and then register it together with epoll. In this way, as long as the connfd is ready, The handler of the corresponding read and write event can be called according to the read and write status of fd.

Let’s take a look at how the event module is initialized and then monitored for accept_fd:

How to develop nginx after installation

The above is the detailed content of How to develop nginx after installation. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template