use std::collections::HashMap;
use std::fmt::Debug;
use std::fmt::Formatter;
use std::sync::Arc;
use http::StatusCode;
use log::debug;
use super::core::*;
use super::error::parse_error;
use super::lister::SwiftLister;
use super::writer::SwiftWriter;
use crate::raw::*;
use crate::services::swift::reader::SwiftReader;
use crate::*;
#[doc = include_str!("docs.md")]
#[doc = include_str!("compatible_services.md")]
#[derive(Default, Clone)]
pub struct SwiftBuilder {
endpoint: Option<String>,
container: Option<String>,
root: Option<String>,
token: Option<String>,
}
impl Debug for SwiftBuilder {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let mut ds = f.debug_struct("Builder");
ds.field("root", &self.root);
ds.field("endpoint", &self.endpoint);
ds.field("container", &self.container);
if self.token.is_some() {
ds.field("token", &"<redacted>");
}
ds.finish()
}
}
impl SwiftBuilder {
pub fn endpoint(&mut self, endpoint: &str) -> &mut Self {
self.endpoint = if endpoint.is_empty() {
None
} else {
Some(endpoint.trim_end_matches('/').to_string())
};
self
}
pub fn container(&mut self, container: &str) -> &mut Self {
self.container = if container.is_empty() {
None
} else {
Some(container.trim_end_matches('/').to_string())
};
self
}
pub fn root(&mut self, root: &str) -> &mut Self {
if !root.is_empty() {
self.root = Some(root.to_string())
}
self
}
pub fn token(&mut self, token: &str) -> &mut Self {
if !token.is_empty() {
self.token = Some(token.to_string());
}
self
}
}
impl Builder for SwiftBuilder {
const SCHEME: Scheme = Scheme::Swift;
type Accessor = SwiftBackend;
fn from_map(map: HashMap<String, String>) -> Self {
let mut builder = SwiftBuilder::default();
map.get("endpoint").map(|v| builder.endpoint(v));
map.get("container").map(|v| builder.container(v));
map.get("token").map(|v| builder.token(v));
builder
}
fn build(&mut self) -> Result<Self::Accessor> {
debug!("backend build started: {:?}", &self);
let root = normalize_root(&self.root.take().unwrap_or_default());
debug!("backend use root {}", root);
let endpoint = match self.endpoint.take() {
Some(endpoint) => {
if endpoint.starts_with("http") {
endpoint
} else {
format!("https://{endpoint}")
}
}
None => {
return Err(Error::new(
ErrorKind::ConfigInvalid,
"missing endpoint for Swift",
));
}
};
debug!("backend use endpoint: {}", &endpoint);
let container = match self.container.take() {
Some(container) => container,
None => {
return Err(Error::new(
ErrorKind::ConfigInvalid,
"missing container for Swift",
));
}
};
debug!("backend use container: {}", &container);
let token = match self.token.take() {
Some(token) => token,
None => String::new(),
};
let client = HttpClient::new()?;
debug!("backend build finished: {:?}", &self);
Ok(SwiftBackend {
core: Arc::new(SwiftCore {
root,
endpoint,
container,
token,
client,
}),
})
}
}
#[derive(Debug, Clone)]
pub struct SwiftBackend {
core: Arc<SwiftCore>,
}
impl Access for SwiftBackend {
type Reader = SwiftReader;
type Writer = oio::OneShotWriter<SwiftWriter>;
type Lister = oio::PageLister<SwiftLister>;
type BlockingReader = ();
type BlockingWriter = ();
type BlockingLister = ();
fn info(&self) -> AccessorInfo {
let mut am = AccessorInfo::default();
am.set_scheme(Scheme::Swift)
.set_root(&self.core.root)
.set_native_capability(Capability {
stat: true,
read: true,
write: true,
write_can_empty: true,
delete: true,
list: true,
list_with_recursive: true,
..Default::default()
});
am
}
async fn stat(&self, path: &str, _args: OpStat) -> Result<RpStat> {
let resp = self.core.swift_get_metadata(path).await?;
let status = resp.status();
match status {
StatusCode::OK | StatusCode::NO_CONTENT => {
let meta = parse_into_metadata(path, resp.headers())?;
Ok(RpStat::new(meta))
}
_ => Err(parse_error(resp).await?),
}
}
async fn read(&self, path: &str, args: OpRead) -> Result<(RpRead, Self::Reader)> {
Ok((
RpRead::default(),
SwiftReader::new(self.core.clone(), path, args),
))
}
async fn write(&self, path: &str, args: OpWrite) -> Result<(RpWrite, Self::Writer)> {
let writer = SwiftWriter::new(self.core.clone(), args.clone(), path.to_string());
let w = oio::OneShotWriter::new(writer);
Ok((RpWrite::default(), w))
}
async fn delete(&self, path: &str, _args: OpDelete) -> Result<RpDelete> {
let resp = self.core.swift_delete(path).await?;
let status = resp.status();
match status {
StatusCode::NO_CONTENT | StatusCode::OK => Ok(RpDelete::default()),
StatusCode::NOT_FOUND => Ok(RpDelete::default()),
_ => Err(parse_error(resp).await?),
}
}
async fn list(&self, path: &str, args: OpList) -> Result<(RpList, Self::Lister)> {
let l = SwiftLister::new(
self.core.clone(),
path.to_string(),
args.recursive(),
args.limit(),
);
Ok((RpList::default(), oio::PageLister::new(l)))
}
async fn copy(&self, from: &str, to: &str, _args: OpCopy) -> Result<RpCopy> {
let resp = self.core.swift_copy(from, to).await?;
let status = resp.status();
match status {
StatusCode::CREATED | StatusCode::OK => Ok(RpCopy::default()),
_ => Err(parse_error(resp).await?),
}
}
}