1 files changed, 0 insertions, 82 deletions
diff --git a/sound_card_init/dsm/src/utils.rs b/sound_card_init/dsm/src/utils.rs
deleted file mode 100644
index 64f6c972..00000000
--- a/sound_card_init/dsm/src/utils.rs
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2020 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//! It contains common utils shared within sound_card_init.
-#![deny(missing_docs)]
-
-use std::fs::File;
-use std::io::{prelude::*, BufReader, BufWriter};
-use std::path::PathBuf;
-use std::time::Duration;
-
-use crate::datastore::Datastore;
-use crate::error::{Error, Result};
-
-fn duration_from_file(path: &PathBuf) -> Result<Duration> {
-    let reader =
-        BufReader::new(File::open(&path).map_err(|e| Error::FileIOFailed(path.clone(), e))?);
-    serde_yaml::from_reader(reader).map_err(|e| Error::SerdeError(path.clone(), e))
-}
-
-/// The utils to parse CRAS shutdown time file.
-pub mod shutdown_time {
-    use super::*;
-    // The path of CRAS shutdown time file.
-    const SHUTDOWN_TIME_FILE: &str = "/var/lib/cras/stop";
-
-    /// Reads the unix time from CRAS shutdown time file.
-    pub fn from_file() -> Result<Duration> {
-        duration_from_file(&PathBuf::from(SHUTDOWN_TIME_FILE))
-    }
-}
-
-/// The utils to create and parse sound_card_init run time file.
-pub mod run_time {
-    use std::time::SystemTime;
-
-    use super::*;
-    // The filename of sound_card_init run time file.
-    const RUN_TIME_FILE: &str = "run";
-
-    /// Returns the sound_card_init run time file existence.
-    pub fn exists(snd_card: &str) -> bool {
-        run_time_file(snd_card).exists()
-    }
-
-    /// Reads the unix time from sound_card_init run time file.
-    pub fn from_file(snd_card: &str) -> Result<Duration> {
-        duration_from_file(&run_time_file(snd_card))
-    }
-
-    /// Saves the current unix time to sound_card_init run time file.
-    pub fn now_to_file(snd_card: &str) -> Result<()> {
-        match SystemTime::now().duration_since(SystemTime::UNIX_EPOCH) {
-            Ok(t) => to_file(snd_card, t),
-            Err(e) => Err(Error::SystemTimeError(e)),
-        }
-    }
-
-    /// Saves the unix time to sound_card_init run time file.
-    pub fn to_file(snd_card: &str, duration: Duration) -> Result<()> {
-        let path = run_time_file(snd_card);
-        let mut writer =
-            BufWriter::new(File::create(&path).map_err(|e| Error::FileIOFailed(path.clone(), e))?);
-        writer
-            .write_all(
-                serde_yaml::to_string(&duration)
-                    .map_err(|e| Error::SerdeError(path.clone(), e))?
-                    .as_bytes(),
-            )
-            .map_err(|e| Error::FileIOFailed(path.clone(), e))?;
-        writer
-            .flush()
-            .map_err(|e| Error::FileIOFailed(path.clone(), e))?;
-        Ok(())
-    }
-
-    fn run_time_file(snd_card: &str) -> PathBuf {
-        PathBuf::from(Datastore::DATASTORE_DIR)
-            .join(snd_card)
-            .join(RUN_TIME_FILE)
-    }
-}