Added a basic check to make sure we don't try to transcode a partially written file
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This commit is contained in:
Gregory Ballantine 2022-09-01 22:15:46 -04:00
parent b5d96c21a9
commit 44ef95b440
6 changed files with 30 additions and 4 deletions

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@ -1,11 +1,11 @@
use log4rs;
use config::Config;
use repository::Repository;
use transcoder::Transcoder;
use transcoder::repository::Repository;
use transcoder::transcoder::Transcoder;
mod config;
mod repository;
mod transcoder;
mod util;
fn main() {
// initialize the log4rs logger

2
src/transcoder/mod.rs Normal file
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@ -0,0 +1,2 @@
pub mod repository;
pub mod transcoder;

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@ -4,7 +4,8 @@ use std::{thread, time};
use log::{info};
use crate::config::Config;
use crate::repository::Repository;
use crate::util::io;
use super::repository::Repository;
pub struct Transcoder {
config: Config,
@ -31,6 +32,12 @@ impl Transcoder {
info!("There were no files found in ingest to transcode; skipping run.");
} else {
for i in ingest_files {
let ingest_path = Path::new(&self.repository.ingest_dir).join(&i);
if io::is_file_locked(&ingest_path.to_str().unwrap()) {
info!("{} is currently open in another program; skipping it for this run.", &i);
continue;
}
// copy the file to the archive
self.repository.archive_file(&i);

16
src/util/io.rs Normal file
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@ -0,0 +1,16 @@
use std::process;
// checks whether a file is currently open in another program (e.g. still being written)
pub fn is_file_locked(filepath: &str) -> bool {
let cmd = process::Command::new("/usr/bin/lsof")
.arg(filepath)
.output()
.expect("Failed to execute command");
let results = &String::from_utf8_lossy(&cmd.stdout);
if results.contains(filepath) {
return true;
}
return false;
}

1
src/util/mod.rs Normal file
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@ -0,0 +1 @@
pub mod io;