From a2e1617d845e72c44b07f782801549f209ce14cc Mon Sep 17 00:00:00 2001
From: Trinity Pointard <trinity.pointard@gmail.com>
Date: Fri, 26 Mar 2021 22:05:16 +0100
Subject: [PATCH] document web crate

---
 src/garage/server.rs  | 4 ++--
 src/web/error.rs      | 9 ++++++++-
 src/web/lib.rs        | 5 ++++-
 src/web/web_server.rs | 1 +
 4 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/garage/server.rs b/src/garage/server.rs
index feb858e..a5bf68a 100644
--- a/src/garage/server.rs
+++ b/src/garage/server.rs
@@ -11,7 +11,7 @@ use garage_util::error::Error;
 use garage_api::api_server;
 use garage_model::garage::Garage;
 use garage_rpc::rpc_server::RpcServer;
-use garage_web::web_server;
+use garage_web::run_web_server;
 
 use crate::admin_rpc::*;
 
@@ -63,7 +63,7 @@ pub async fn run_server(config_file: PathBuf) -> Result<(), Error> {
 	info!("Initializing RPC and API servers...");
 	let run_rpc_server = Arc::new(rpc_server).run(wait_from(watch_cancel.clone()));
 	let api_server = api_server::run_api_server(garage.clone(), wait_from(watch_cancel.clone()));
-	let web_server = web_server::run_web_server(garage, wait_from(watch_cancel.clone()));
+	let web_server = run_web_server(garage, wait_from(watch_cancel.clone()));
 
 	futures::try_join!(
 		bootstrap.map(|rv| {
diff --git a/src/web/error.rs b/src/web/error.rs
index 14bc3b7..6da8619 100644
--- a/src/web/error.rs
+++ b/src/web/error.rs
@@ -3,30 +3,37 @@ use hyper::StatusCode;
 
 use garage_util::error::Error as GarageError;
 
+/// Errors of this crate
 #[derive(Debug, Error)]
 pub enum Error {
+	/// An error received from the API crate
 	#[error(display = "API error: {}", _0)]
 	ApiError(#[error(source)] garage_api::error::Error),
 
 	// Category: internal error
+	/// Error internal to garage
 	#[error(display = "Internal error: {}", _0)]
 	InternalError(#[error(source)] GarageError),
 
+	/// The file does not exist
 	#[error(display = "Not found")]
 	NotFound,
 
-	// Category: bad request
+	/// The client requested a malformed path
 	#[error(display = "Invalid UTF-8: {}", _0)]
 	InvalidUTF8(#[error(source)] std::str::Utf8Error),
 
+	/// The client send a header with invalid value
 	#[error(display = "Invalid header value: {}", _0)]
 	InvalidHeader(#[error(source)] hyper::header::ToStrError),
 
+	/// The client sent a request without host, or with unsupported method
 	#[error(display = "Bad request: {}", _0)]
 	BadRequest(String),
 }
 
 impl Error {
+	/// Transform errors into http status code
 	pub fn http_status_code(&self) -> StatusCode {
 		match self {
 			Error::NotFound => StatusCode::NOT_FOUND,
diff --git a/src/web/lib.rs b/src/web/lib.rs
index 7d3b4d5..3e978af 100644
--- a/src/web/lib.rs
+++ b/src/web/lib.rs
@@ -1,7 +1,10 @@
+#![deny(missing_crate_level_docs, missing_docs)]
+//! Crate for handling web serving of s3 bucket
 #[macro_use]
 extern crate log;
 
 mod error;
 pub use error::Error;
 
-pub mod web_server;
+mod web_server;
+pub use web_server::run_web_server;
diff --git a/src/web/web_server.rs b/src/web/web_server.rs
index cfde2bc..9635eca 100644
--- a/src/web/web_server.rs
+++ b/src/web/web_server.rs
@@ -18,6 +18,7 @@ use garage_model::garage::Garage;
 use garage_table::*;
 use garage_util::error::Error as GarageError;
 
+/// Run a web server
 pub async fn run_web_server(
 	garage: Arc<Garage>,
 	shutdown_signal: impl Future<Output = ()>,