document api crate

5 files changed, 39 insertions, 9 deletions

diff --git a/src/api/api_server.rs b/src/api/api_server.rs
index 2feb0e3a..dcc9f478 100644
--- a/src/api/api_server.rs
+++ b/src/api/api_server.rs
@@ -20,6 +20,7 @@ use crate::s3_get::*;
 use crate::s3_list::*;
 use crate::s3_put::*;
 
+/// Run the S3 API server
 pub async fn run_api_server(
 	garage: Arc<Garage>,
 	shutdown_signal: impl Future<Output = ()>,
diff --git a/src/api/encoding.rs b/src/api/encoding.rs
index 25999207..63c5dee2 100644
--- a/src/api/encoding.rs
+++ b/src/api/encoding.rs
@@ -1,9 +1,13 @@
+//! Module containing various helpers for encoding
+
+/// Escape &str for xml inclusion
 pub fn xml_escape(s: &str) -> String {
 	s.replace("<", "&lt;")
 		.replace(">", "&gt;")
 		.replace("\"", "&quot;")
 }
 
+/// Encode &str for use in a URI
 pub fn uri_encode(string: &str, encode_slash: bool) -> String {
 	let mut result = String::with_capacity(string.len() * 2);
 	for c in string.chars() {
@@ -24,6 +28,7 @@ pub fn uri_encode(string: &str, encode_slash: bool) -> String {
 	result
 }
 
+/// Encode &str either as an uri, or a valid string for xml inclusion
 pub fn xml_encode_key(k: &str, urlencode: bool) -> String {
 	if urlencode {
 		uri_encode(k, true)
diff --git a/src/api/error.rs b/src/api/error.rs
index 42a7ab10..acd8ebf7 100644
--- a/src/api/error.rs
+++ b/src/api/error.rs
@@ -3,44 +3,57 @@ use hyper::StatusCode;
 
 use garage_util::error::Error as GarageError;
 
+/// Errors of this crate
 #[derive(Debug, Error)]
 pub enum Error {
 	// Category: internal error
+	/// Error related to deeper parts of Garage
 	#[error(display = "Internal error: {}", _0)]
 	InternalError(#[error(source)] GarageError),
 
+	/// Error related to Hyper
 	#[error(display = "Internal error (Hyper error): {}", _0)]
 	Hyper(#[error(source)] hyper::Error),
 
+	/// Error related to HTTP
 	#[error(display = "Internal error (HTTP error): {}", _0)]
 	HTTP(#[error(source)] http::Error),
 
 	// Category: cannot process
+	/// No proper api key was used, or the signature was invalid
 	#[error(display = "Forbidden: {}", _0)]
 	Forbidden(String),
 
+	/// The object requested don't exists
 	#[error(display = "Not found")]
 	NotFound,
 
 	// Category: bad request
+	/// The request used an invalid path
 	#[error(display = "Invalid UTF-8: {}", _0)]
 	InvalidUTF8Str(#[error(source)] std::str::Utf8Error),
 
+	/// The request used an invalid path
 	#[error(display = "Invalid UTF-8: {}", _0)]
 	InvalidUTF8String(#[error(source)] std::string::FromUtf8Error),
 
+	/// Some base64 encoded data was badly encoded
 	#[error(display = "Invalid base64: {}", _0)]
 	InvalidBase64(#[error(source)] base64::DecodeError),
 
+	/// The client sent invalid XML data
 	#[error(display = "Invalid XML: {}", _0)]
 	InvalidXML(String),
 
+	/// The client sent a header with invalid value
 	#[error(display = "Invalid header value: {}", _0)]
 	InvalidHeader(#[error(source)] hyper::header::ToStrError),
 
+	/// The client sent a range header with invalid value
 	#[error(display = "Invalid HTTP range: {:?}", _0)]
 	InvalidRange(#[error(from)] http_range::HttpRangeParseError),
 
+	/// The client sent an invalid request
 	#[error(display = "Bad request: {}", _0)]
 	BadRequest(String),
 }
@@ -52,6 +65,7 @@ impl From<roxmltree::Error> for Error {
 }
 
 impl Error {
+	/// Convert an error into an Http status code
 	pub fn http_status_code(&self) -> StatusCode {
 		match self {
 			Error::NotFound => StatusCode::NOT_FOUND,
@@ -65,6 +79,7 @@ impl Error {
 	}
 }
 
+/// Trait to map error to the Bad Request error code
 pub trait OkOrBadRequest {
 	type S2;
 	fn ok_or_bad_request(self, reason: &'static str) -> Self::S2;
@@ -93,6 +108,7 @@ impl<T> OkOrBadRequest for Option<T> {
 	}
 }
 
+/// Trait to map an error to an Internal Error code
 pub trait OkOrInternalError {
 	type S2;
 	fn ok_or_internal_error(self, reason: &'static str) -> Self::S2;
diff --git a/src/api/lib.rs b/src/api/lib.rs
index 9bb07925..d036cdd6 100644
--- a/src/api/lib.rs
+++ b/src/api/lib.rs
@@ -1,15 +1,20 @@
+#![deny(missing_crate_level_docs, missing_docs)]
+//! Crate for serving a S3 compatible API
 #[macro_use]
 extern crate log;
 
-pub mod error;
+mod error;
+pub use error::Error;
 
-pub mod encoding;
+mod encoding;
 
-pub mod api_server;
-pub mod signature;
+mod api_server;
+pub use api_server::run_api_server;
 
-pub mod s3_copy;
-pub mod s3_delete;
+mod signature;
+
+mod s3_copy;
+mod s3_delete;
 pub mod s3_get;
-pub mod s3_list;
-pub mod s3_put;
+mod s3_list;
+mod s3_put;
diff --git a/src/api/s3_get.rs b/src/api/s3_get.rs
index 2590c9bd..15c0ed0a 100644
--- a/src/api/s3_get.rs
+++ b/src/api/s3_get.rs
@@ -1,3 +1,4 @@
+//! Function related to GET and HEAD requests
 use std::sync::Arc;
 use std::time::{Duration, UNIX_EPOCH};
 
@@ -79,6 +80,7 @@ fn try_answer_cached(
 	}
 }
 
+/// Handle HEAD request
 pub async fn handle_head(
 	garage: Arc<Garage>,
 	req: &Request<Body>,
@@ -118,6 +120,7 @@ pub async fn handle_head(
 	Ok(response)
 }
 
+/// Handle GET request
 pub async fn handle_get(
 	garage: Arc<Garage>,
 	req: &Request<Body>,
@@ -224,7 +227,7 @@ pub async fn handle_get(
 	}
 }
 
-pub async fn handle_get_range(
+async fn handle_get_range(
 	garage: Arc<Garage>,
 	version: &ObjectVersion,
 	version_data: &ObjectVersionData,