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actix-website/docs/conn_lifecycle.md
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Co-authored-by: Rob Ede <robjtede@icloud.com>

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Co-authored-by: Rob Ede <robjtede@icloud.com>
2024-05-27 20:55:31 +00:00

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---
title: Connection Lifecycle
---
# Architecture overview
After Server has started listening to all sockets, [`Accept`][accept] and [`Worker`][worker] are two main loops responsible for processing incoming client connections.
Once connection accepted Application level protocol processing happens in a protocol specific [`Dispatcher`][dispatcher] loop spawned from [`Worker`][worker].
Please note, below diagrams are outlining happy-path scenarios only.
![Connection Overview](/img/diagrams/connection_overview.svg)
## Accept loop in more detail
![Connection Accept](/img/diagrams/connection_accept.svg "Connection Accept")
Most of code implementation resides in [`actix-server`][server] crate for struct [`Accept`][accept].
## Worker loop in more detail
![Connection Worker](/img/diagrams/connection_worker.svg "Connection Worker")
Most of code implementation resides in [`actix-server`][server] crate for struct [`Worker`][worker].
## Request loop roughly
![Connection Request](/img/diagrams/connection_request.svg "Connection Request")
Most of code implementation for request loop resides in [`actix-web`][web] and [`actix-http`][http] crates.
[server]: https://crates.io/crates/actix-server
[web]: https://crates.io/crates/actix-web
[http]: https://crates.io/crates/actix-http
[accept]: https://github.com/actix/actix-net/blob/master/actix-server/src/accept.rs
[worker]: https://github.com/actix/actix-net/blob/master/actix-server/src/worker.rs
[dispatcher]: https://github.com/actix/actix-web/blob/master/actix-http/src/h1/dispatcher.rs