71 lines
1.6 KiB
Rust
71 lines
1.6 KiB
Rust
#![feature(await_macro, async_await)]
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mod binary_cache_store;
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mod error;
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mod foreign;
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mod store;
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mod tarfile;
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mod path_info;
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pub use error::Error;
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pub struct CBox<T> {
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pub ptr: *mut libc::c_void,
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phantom: std::marker::PhantomData<T>,
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}
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impl<T> CBox<T> {
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fn new(t: T) -> Self {
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unsafe {
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let size = std::mem::size_of::<T>();
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let ptr = libc::malloc(size);
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*(ptr as *mut T) = t; // FIXME: probably UB
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Self {
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ptr,
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phantom: std::marker::PhantomData,
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}
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}
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}
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}
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#[no_mangle]
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pub extern "C" fn unpack_tarfile(
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source: foreign::Source,
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dest_dir: &str,
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) -> CBox<Result<(), error::CppException>> {
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CBox::new(tarfile::unpack_tarfile(source, dest_dir).map_err(|err| err.into()))
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}
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#[no_mangle]
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pub extern "C" fn rust_test() {
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use crate::store::Store;
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use futures::future::{FutureExt, TryFutureExt};
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use std::path::Path;
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let fut = async move {
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let store: Box<dyn Store> = Box::new(binary_cache_store::BinaryCacheStore::new(
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"https://cache.nixos.org".to_string(),
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));
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let path = store
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.parse_store_path(&Path::new(
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"/nix/store/7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-konsole-18.12.3",
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))
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.unwrap();
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/*
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let info = store.query_path_info(&path).await.unwrap();
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eprintln!("INFO = {:?}", info);
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*/
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let closure = store.compute_path_closure(vec![path].into_iter().collect()).await.unwrap();
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eprintln!("CLOSURE = {:?}", closure.len());
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Ok(())
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};
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tokio::run(fut.boxed().compat());
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}
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