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Mountain/RPC/CocoonService/FileSystem/
Stat.rs

1
2//! Inspect a path: type, size, mtime in ms-since-epoch.
3
4use std::time::UNIX_EPOCH;
5
6use tonic::{Response, Status};
7
8use crate::{
9	RPC::CocoonService::CocoonServiceImpl,
10	Vine::Generated::{StatRequest, StatResponse},
11	dev_log,
12};
13
14pub async fn Fn(_Service:&CocoonServiceImpl, Request:StatRequest) -> Result<Response<StatResponse>, Status> {
15	let Path = CocoonServiceImpl::UriToPath(Request.uri.as_ref())
16		.ok_or_else(|| Status::invalid_argument("stat: missing or empty URI"))?;
17
18	dev_log!("cocoon", "[CocoonService] Stat: {:?}", Path);
19
20	let Metadata = tokio::fs::metadata(&Path).await.map_err(|Error| {
21		dev_log!("cocoon", "warn: [CocoonService] stat failed for {:?}: {}", Path, Error);
22		Status::not_found(format!("stat: {}: {}", Path.display(), Error))
23	})?;
24
25	let MTime = Metadata
26		.modified()
27		.ok()
28		.and_then(|T| T.duration_since(UNIX_EPOCH).ok())
29		.map(|D| D.as_millis() as u64)
30		.unwrap_or(0);
31
32	Ok(Response::new(StatResponse {
33		is_file:Metadata.is_file(),
34		is_directory:Metadata.is_dir(),
35		size:Metadata.len(),
36		mtime:MTime,
37	}))
38}