Hands-On Microservices with Rust

Using an executor

The second approach is to execute all tasks with an Executor  instance. This allows you to run multiple tasks in a single thread, even if some tasks can't be completed immediately. To use an Executor, you have to create and run it, but it will block the current thread and you should add all the necessary tasks to be executed at the start.

For example, if you want to open a socket and process the stream of every incoming connection, you have to create a main Future that will read the Stream of incoming connections and spawn a handler for processing the Stream of the data of the connection using the tokio::spawn method. After you have created it, you have to spawn the whole processing future with the executor. Take a look ...