add doc comments #53

Merged
lx merged 10 commits from trinity-1686a/garage:doc-comments into main 2021-04-08 13:01:22 +00:00
8 changed files with 42 additions and 13 deletions
Showing only changes of commit a74eccfd6e - Show all commits

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@ -20,6 +20,7 @@ use crate::s3_get::*;
use crate::s3_list::*; use crate::s3_list::*;
use crate::s3_put::*; use crate::s3_put::*;
/// Run the S3 API server
pub async fn run_api_server( pub async fn run_api_server(
garage: Arc<Garage>, garage: Arc<Garage>,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,

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@ -1,9 +1,13 @@
//! Module containing various helpers for encoding
/// Escape &str for xml inclusion
pub fn xml_escape(s: &str) -> String { pub fn xml_escape(s: &str) -> String {
s.replace("<", "&lt;") s.replace("<", "&lt;")
.replace(">", "&gt;") .replace(">", "&gt;")
.replace("\"", "&quot;") .replace("\"", "&quot;")
} }
/// Encode &str for use in a URI
pub fn uri_encode(string: &str, encode_slash: bool) -> String { pub fn uri_encode(string: &str, encode_slash: bool) -> String {
let mut result = String::with_capacity(string.len() * 2); let mut result = String::with_capacity(string.len() * 2);
for c in string.chars() { for c in string.chars() {
@ -24,6 +28,7 @@ pub fn uri_encode(string: &str, encode_slash: bool) -> String {
result result
} }
/// Encode &str either as an uri, or a valid string for xml inclusion
pub fn xml_encode_key(k: &str, urlencode: bool) -> String { pub fn xml_encode_key(k: &str, urlencode: bool) -> String {
if urlencode { if urlencode {
uri_encode(k, true) uri_encode(k, true)

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@ -3,44 +3,57 @@ use hyper::StatusCode;
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
/// Errors of this crate
#[derive(Debug, Error)] #[derive(Debug, Error)]
pub enum Error { pub enum Error {
// Category: internal error // Category: internal error
/// Error related to deeper parts of Garage
#[error(display = "Internal error: {}", _0)] #[error(display = "Internal error: {}", _0)]
InternalError(#[error(source)] GarageError), InternalError(#[error(source)] GarageError),
/// Error related to Hyper
#[error(display = "Internal error (Hyper error): {}", _0)] #[error(display = "Internal error (Hyper error): {}", _0)]
Hyper(#[error(source)] hyper::Error), Hyper(#[error(source)] hyper::Error),
/// Error related to HTTP
#[error(display = "Internal error (HTTP error): {}", _0)] #[error(display = "Internal error (HTTP error): {}", _0)]
HTTP(#[error(source)] http::Error), HTTP(#[error(source)] http::Error),
// Category: cannot process // Category: cannot process
/// No proper api key was used, or the signature was invalid
#[error(display = "Forbidden: {}", _0)] #[error(display = "Forbidden: {}", _0)]
Forbidden(String), Forbidden(String),
/// The object requested don't exists
#[error(display = "Not found")] #[error(display = "Not found")]
NotFound, NotFound,
// Category: bad request // Category: bad request
/// The request used an invalid path
#[error(display = "Invalid UTF-8: {}", _0)] #[error(display = "Invalid UTF-8: {}", _0)]
InvalidUTF8Str(#[error(source)] std::str::Utf8Error), InvalidUTF8Str(#[error(source)] std::str::Utf8Error),
/// The request used an invalid path
#[error(display = "Invalid UTF-8: {}", _0)] #[error(display = "Invalid UTF-8: {}", _0)]
InvalidUTF8String(#[error(source)] std::string::FromUtf8Error), InvalidUTF8String(#[error(source)] std::string::FromUtf8Error),
/// Some base64 encoded data was badly encoded
#[error(display = "Invalid base64: {}", _0)] #[error(display = "Invalid base64: {}", _0)]
InvalidBase64(#[error(source)] base64::DecodeError), InvalidBase64(#[error(source)] base64::DecodeError),
/// The client sent invalid XML data
#[error(display = "Invalid XML: {}", _0)] #[error(display = "Invalid XML: {}", _0)]
InvalidXML(String), InvalidXML(String),
/// The client sent a header with invalid value
#[error(display = "Invalid header value: {}", _0)] #[error(display = "Invalid header value: {}", _0)]
InvalidHeader(#[error(source)] hyper::header::ToStrError), InvalidHeader(#[error(source)] hyper::header::ToStrError),
/// The client sent a range header with invalid value
#[error(display = "Invalid HTTP range: {:?}", _0)] #[error(display = "Invalid HTTP range: {:?}", _0)]
InvalidRange(#[error(from)] http_range::HttpRangeParseError), InvalidRange(#[error(from)] http_range::HttpRangeParseError),
/// The client sent an invalid request
#[error(display = "Bad request: {}", _0)] #[error(display = "Bad request: {}", _0)]
BadRequest(String), BadRequest(String),
} }
@ -52,6 +65,7 @@ impl From<roxmltree::Error> for Error {
} }
impl Error { impl Error {
/// Convert an error into an Http status code
pub fn http_status_code(&self) -> StatusCode { pub fn http_status_code(&self) -> StatusCode {
match self { match self {
Error::NotFound => StatusCode::NOT_FOUND, Error::NotFound => StatusCode::NOT_FOUND,
@ -65,6 +79,7 @@ impl Error {
} }
} }
/// Trait to map error to the Bad Request error code
pub trait OkOrBadRequest { pub trait OkOrBadRequest {
type S2; type S2;
fn ok_or_bad_request(self, reason: &'static str) -> Self::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 { pub trait OkOrInternalError {
type S2; type S2;
fn ok_or_internal_error(self, reason: &'static str) -> Self::S2; fn ok_or_internal_error(self, reason: &'static str) -> Self::S2;

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@ -1,15 +1,20 @@
#![deny(missing_crate_level_docs, missing_docs)]
//! Crate for serving a S3 compatible API
#[macro_use] #[macro_use]
extern crate log; extern crate log;
pub mod error; mod error;
pub use error::Error;
pub mod encoding; mod encoding;
pub mod api_server; mod api_server;
pub mod signature; pub use api_server::run_api_server;
pub mod s3_copy; mod signature;
pub mod s3_delete;
mod s3_copy;
mod s3_delete;
pub mod s3_get; pub mod s3_get;
pub mod s3_list; mod s3_list;
pub mod s3_put; mod s3_put;

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@ -1,3 +1,4 @@
//! Function related to GET and HEAD requests
use std::sync::Arc; use std::sync::Arc;
use std::time::{Duration, UNIX_EPOCH}; use std::time::{Duration, UNIX_EPOCH};
@ -79,6 +80,7 @@ fn try_answer_cached(
} }
} }
/// Handle HEAD request
pub async fn handle_head( pub async fn handle_head(
garage: Arc<Garage>, garage: Arc<Garage>,
req: &Request<Body>, req: &Request<Body>,
@ -118,6 +120,7 @@ pub async fn handle_head(
Ok(response) Ok(response)
} }
/// Handle GET request
pub async fn handle_get( pub async fn handle_get(
garage: Arc<Garage>, garage: Arc<Garage>,
req: &Request<Body>, 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>, garage: Arc<Garage>,
version: &ObjectVersion, version: &ObjectVersion,
version_data: &ObjectVersionData, version_data: &ObjectVersionData,

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@ -8,7 +8,7 @@ use garage_util::background::*;
use garage_util::config::*; use garage_util::config::*;
use garage_util::error::Error; use garage_util::error::Error;
use garage_api::api_server; use garage_api::run_api_server;
use garage_model::garage::Garage; use garage_model::garage::Garage;
use garage_rpc::rpc_server::RpcServer; use garage_rpc::rpc_server::RpcServer;
use garage_web::run_web_server; use garage_web::run_web_server;
@ -62,7 +62,7 @@ pub async fn run_server(config_file: PathBuf) -> Result<(), Error> {
info!("Initializing RPC and API servers..."); info!("Initializing RPC and API servers...");
let run_rpc_server = Arc::new(rpc_server).run(wait_from(watch_cancel.clone())); 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 api_server = run_api_server(garage.clone(), wait_from(watch_cancel.clone()));
let 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!( futures::try_join!(

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@ -10,7 +10,6 @@ pub struct Key {
pub key_id: String, pub key_id: String,
/// The secret_key associated /// The secret_key associated
// shouldn't it be hashed or something, so it's trully secret?
pub secret_key: String, pub secret_key: String,
/// Name for the key /// Name for the key

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@ -8,7 +8,7 @@ use garage_util::error::Error as GarageError;
pub enum Error { pub enum Error {
/// An error received from the API crate /// An error received from the API crate
#[error(display = "API error: {}", _0)] #[error(display = "API error: {}", _0)]
ApiError(#[error(source)] garage_api::error::Error), ApiError(#[error(source)] garage_api::Error),
// Category: internal error // Category: internal error
/// Error internal to garage /// Error internal to garage