Principle

Description of Worker

A Worker is the most basic container in Workerman. A Worker can start multiple processes to listen on ports and communicate using specific protocols, similar to how nginx listens on a port. Each Worker process operates independently, utilizing Epoll (requires the event extension) + non-blocking IO. Each Worker process can handle thousands of client connections and process the data sent from these connections. The main process, in order to maintain stability, only monitors the child processes and does not handle data reception or any business logic.

Relationship between the Client and Worker Process

Relationship between the Main Process and Worker Child Processes

Features:

From the diagrams, we can see that each Worker maintains its own client connections, which facilitates real-time communication between the client and the server. Based on this model, we can easily implement some basic development needs, such as an HTTP server, RPC server, real-time data reporting from smart hardware, server-push data, game servers, WeChat mini-program backends, and more.