mirror of
https://github.com/Start9Labs/start-os.git
synced 2026-03-31 04:23:40 +00:00
appmgr 0.3.0 rewrite pt 1
appmgr: split bins update cargo.toml and .gitignore context appmgr: refactor error module appmgr: context begin new s9pk format appmgr: add fields to manifest appmgr: start action abstraction appmgr: volume abstraction appmgr: improved volumes appmgr: install wip appmgr: health daemon appmgr: health checks appmgr: wip config get appmgr: secret store wip appmgr: config rewritten appmgr: delete non-reusable code appmgr: wip appmgr: please the borrow-checker appmgr: technically runs now appmgr: cli appmgr: clean up cli appmgr: rpc-toolkit in action appmgr: wrap up config appmgr: account for updates during install appmgr: fix: #308 appmgr: impl Display for Version appmgr: cleanup appmgr: set dependents on install appmgr: dependency health checks
This commit is contained in:
227
appmgr/src/install/progress.rs
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227
appmgr/src/install/progress.rs
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use std::future::Future;
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use std::io::SeekFrom;
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use std::pin::Pin;
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use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
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use std::sync::Arc;
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use std::task::{Context, Poll};
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use std::time::Duration;
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use patch_db::{DbHandle, HasModel, OptionModel, PatchDb, PatchDbHandle};
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use serde::{Deserialize, Serialize};
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use tokio::io::{AsyncRead, AsyncSeek, AsyncWrite};
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use crate::db::model::PackageDataEntry;
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use crate::Error;
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#[derive(Debug, Deserialize, Serialize, HasModel)]
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#[serde(rename_all = "kebab-case")]
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pub struct InstallProgress {
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pub size: Option<u64>,
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pub downloaded: AtomicU64,
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pub download_complete: AtomicBool,
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pub validated: AtomicU64,
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pub validation_complete: AtomicBool,
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pub read: AtomicU64,
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pub read_complete: AtomicBool,
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}
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impl InstallProgress {
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pub fn new(size: Option<u64>) -> Arc<Self> {
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Arc::new(InstallProgress {
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size,
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downloaded: AtomicU64::new(0),
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download_complete: AtomicBool::new(false),
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validated: AtomicU64::new(0),
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validation_complete: AtomicBool::new(false),
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read: AtomicU64::new(0),
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read_complete: AtomicBool::new(false),
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})
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}
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pub fn download_complete(&self) {
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self.download_complete.store(true, Ordering::SeqCst)
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}
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pub async fn track_download<Db: DbHandle>(
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self: Arc<Self>,
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model: OptionModel<InstallProgress>,
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mut db: Db,
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) -> (Db, Result<(), Error>) {
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while !self.download_complete.load(Ordering::SeqCst) {
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if let Err(e) = model.put(&mut db, &self).await {
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return (db, Err(e.into()));
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}
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tokio::time::sleep(Duration::from_secs(1)).await;
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}
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if let Err(e) = model.put(&mut db, &self).await {
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(db, Err(e.into()))
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} else {
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(db, Ok(()))
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}
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}
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pub async fn track_download_during<
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F: FnOnce() -> Fut,
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Fut: Future<Output = Result<T, Error>>,
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T,
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>(
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self: &Arc<Self>,
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model: OptionModel<InstallProgress>,
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db: &PatchDb,
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handle: &mut PatchDbHandle,
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f: F,
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) -> Result<T, Error> {
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let local_db = std::mem::replace(handle, db.handle());
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let tracker = tokio::spawn(self.clone().track_download(model.clone(), local_db));
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let res = f().await;
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self.download_complete.store(true, Ordering::SeqCst);
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let (local_db, tracker_res) = tracker.await.unwrap();
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let _ = std::mem::replace(handle, local_db);
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tracker_res?;
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res
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}
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pub async fn track_read<Db: DbHandle>(
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self: Arc<Self>,
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model: OptionModel<InstallProgress>,
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mut db: Db,
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complete: Arc<AtomicBool>,
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) -> (Db, Result<(), Error>) {
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while !complete.load(Ordering::SeqCst) {
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if let Err(e) = model.put(&mut db, &self).await {
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return (db, Err(e.into()));
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}
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tokio::time::sleep(Duration::from_secs(1)).await;
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}
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(db, Ok(()))
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}
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pub async fn track_read_during<
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F: FnOnce() -> Fut,
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Fut: Future<Output = Result<T, Error>>,
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T,
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>(
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self: &Arc<Self>,
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model: OptionModel<InstallProgress>,
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db: &PatchDb,
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handle: &mut PatchDbHandle,
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f: F,
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) -> Result<T, Error> {
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let local_db = std::mem::replace(handle, db.handle());
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let complete = Arc::new(AtomicBool::new(false));
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let tracker = tokio::spawn(self.clone().track_read(
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model.clone(),
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local_db,
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complete.clone(),
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));
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let res = f().await;
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complete.store(true, Ordering::SeqCst);
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let (local_db, tracker_res) = tracker.await.unwrap();
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let _ = std::mem::replace(handle, local_db);
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tracker_res?;
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res
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}
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}
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#[pin_project::pin_project]
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pub struct InstallProgressTracker<RW> {
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#[pin]
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inner: RW,
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validating: bool,
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progress: Arc<InstallProgress>,
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}
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impl<RW> InstallProgressTracker<RW> {
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pub fn new(inner: RW, progress: Arc<InstallProgress>) -> Self {
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InstallProgressTracker {
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inner,
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validating: true,
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progress,
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}
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}
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pub fn validated(&mut self) {
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self.validating = false;
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}
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}
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impl<W: AsyncWrite> AsyncWrite for InstallProgressTracker<W> {
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fn poll_write(
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self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &[u8],
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) -> Poll<Result<usize, std::io::Error>> {
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let this = self.project();
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match this.inner.poll_write(cx, buf) {
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Poll::Ready(Ok(n)) => {
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this.progress
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.downloaded
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.fetch_add(n as u64, Ordering::SeqCst);
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Poll::Ready(Ok(n))
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}
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a => a,
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}
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}
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fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), std::io::Error>> {
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let this = self.project();
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this.inner.poll_flush(cx)
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}
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fn poll_shutdown(
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self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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) -> Poll<Result<(), std::io::Error>> {
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let this = self.project();
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this.inner.poll_shutdown(cx)
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}
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fn poll_write_vectored(
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self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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bufs: &[std::io::IoSlice<'_>],
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) -> Poll<Result<usize, std::io::Error>> {
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let this = self.project();
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match this.inner.poll_write_vectored(cx, bufs) {
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Poll::Ready(Ok(n)) => {
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this.progress
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.downloaded
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.fetch_add(n as u64, Ordering::SeqCst);
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Poll::Ready(Ok(n))
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}
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a => a,
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}
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}
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}
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impl<R: AsyncRead> AsyncRead for InstallProgressTracker<R> {
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fn poll_read(
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self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &mut tokio::io::ReadBuf<'_>,
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) -> Poll<std::io::Result<()>> {
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let this = self.project();
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let prev = buf.filled().len() as u64;
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match this.inner.poll_read(cx, buf) {
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Poll::Ready(Ok(())) => {
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if *this.validating {
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&this.progress.validated
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} else {
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&this.progress.read
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}
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.fetch_add(buf.filled().len() as u64 - prev, Ordering::SeqCst);
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Poll::Ready(Ok(()))
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}
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a => a,
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}
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}
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}
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impl<R: AsyncSeek> AsyncSeek for InstallProgressTracker<R> {
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fn start_seek(self: Pin<&mut Self>, position: SeekFrom) -> std::io::Result<()> {
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let this = self.project();
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this.inner.start_seek(position)
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}
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fn poll_complete(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<u64>> {
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let this = self.project();
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match this.inner.poll_complete(cx) {
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Poll::Ready(Ok(n)) => {
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if *this.validating {
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&this.progress.validated
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} else {
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&this.progress.read
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}
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.store(n, Ordering::SeqCst);
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Poll::Ready(Ok(n))
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}
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a => a,
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}
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}
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}
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