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https://github.com/ostreedev/ostree.git
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Implement ostree::checksum_file_async
These might not work, I didn't test them...
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parent
14f2ff43df
commit
815b8563d5
@ -1,8 +1,13 @@
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use crate::{Checksum, ObjectType};
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#[cfg(feature = "futures")]
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use futures::future;
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use glib::prelude::*;
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use glib::translate::*;
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use glib_sys::GFALSE;
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#[cfg(feature = "futures")]
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use std::boxed::Box as Box_;
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use std::error::Error;
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use std::mem::MaybeUninit;
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use std::ptr;
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pub fn checksum_file<P: IsA<gio::File>, Q: IsA<gio::Cancellable>>(
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@ -20,19 +25,75 @@ pub fn checksum_file<P: IsA<gio::File>, Q: IsA<gio::Cancellable>>(
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cancellable.map(|p| p.as_ref()).to_glib_none().0,
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&mut error,
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);
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if !error.is_null() {
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Err(Box::<glib::Error>::new(from_glib_full(error)))
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} else if ret == GFALSE {
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Err(Box::new(glib_bool_error!(
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"unknown error in ostree_checksum_file"
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)))
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} else {
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Ok(Checksum::from_glib_full(out_csum))
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}
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checksum_file_error(out_csum, error, ret)
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}
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}
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pub fn checksum_file_async<
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P: IsA<gio::File>,
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Q: IsA<gio::Cancellable>,
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R: FnOnce(Result<Checksum, Box<dyn Error>>) + Send + 'static,
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>(
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f: &P,
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objtype: ObjectType,
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io_priority: i32,
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cancellable: Option<&Q>,
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callback: R,
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) {
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let user_data: Box<R> = Box::new(callback);
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unsafe extern "C" fn checksum_file_async_trampoline<
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R: FnOnce(Result<Checksum, Box<dyn Error>>) + Send + 'static,
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>(
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_source_object: *mut gobject_sys::GObject,
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res: *mut gio_sys::GAsyncResult,
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user_data: glib_sys::gpointer,
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) {
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let mut error = ptr::null_mut();
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let mut out_csum = MaybeUninit::uninit();
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let ret = ostree_sys::ostree_checksum_file_async_finish(
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_source_object as *mut _,
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res,
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out_csum.as_mut_ptr(),
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&mut error,
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);
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let out_csum = out_csum.assume_init();
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let result = checksum_file_error(out_csum, error, ret);
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let callback: Box<R> = Box::from_raw(user_data as *mut _);
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callback(result);
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}
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let callback = checksum_file_async_trampoline::<R>;
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unsafe {
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ostree_sys::ostree_checksum_file_async(
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f.as_ref().to_glib_none().0,
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objtype.to_glib(),
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io_priority,
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cancellable.map(|p| p.as_ref()).to_glib_none().0,
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Some(callback),
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Box::into_raw(user_data) as *mut _,
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);
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}
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}
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#[cfg(feature = "futures")]
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pub fn checksum_file_async_future<P: IsA<gio::File> + Clone + 'static>(
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f: &P,
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objtype: ObjectType,
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io_priority: i32,
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) -> Box_<dyn future::Future<Output = Result<Checksum, Box<dyn Error>>> + std::marker::Unpin> {
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use fragile::Fragile;
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use gio::GioFuture;
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let f = f.clone();
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GioFuture::new(&f, move |f, send| {
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let cancellable = gio::Cancellable::new();
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let send = Fragile::new(send);
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checksum_file_async(f, objtype, io_priority, Some(&cancellable), move |res| {
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let _ = send.into_inner().send(res);
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});
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cancellable
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})
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}
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pub fn checksum_file_from_input<P: IsA<gio::InputStream>, Q: IsA<gio::Cancellable>>(
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file_info: &gio::FileInfo,
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xattrs: Option<&glib::Variant>,
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@ -52,15 +113,20 @@ pub fn checksum_file_from_input<P: IsA<gio::InputStream>, Q: IsA<gio::Cancellabl
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cancellable.map(|p| p.as_ref()).to_glib_none().0,
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&mut error,
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);
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if !error.is_null() {
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Err(Box::<glib::Error>::new(from_glib_full(error)))
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} else if ret == GFALSE {
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Err(Box::new(glib_bool_error!(
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"unknown error in ostree_checksum_file_from_input"
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)))
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} else {
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Ok(Checksum::from_glib_full(out_csum))
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}
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checksum_file_error(out_csum, error, ret)
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}
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}
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unsafe fn checksum_file_error(
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out_csum: *mut [*mut u8; 32],
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error: *mut glib_sys::GError,
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ret: i32,
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) -> Result<Checksum, Box<dyn Error>> {
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if !error.is_null() {
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Err(Box::<glib::Error>::new(from_glib_full(error)))
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} else if ret == GFALSE {
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Err(Box::new(glib_bool_error!("unknown error")))
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} else {
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Ok(Checksum::from_glib_full(out_csum))
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}
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}
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