59 lines
1.7 KiB
Rust
59 lines
1.7 KiB
Rust
use anyhow::{anyhow, Result};
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use chrono::{DateTime, Local};
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use clap::Clap;
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use log::warn;
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use std::{fs, os::unix::fs::PermissionsExt};
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/// Print information about an existing message queue
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#[derive(Clap, Debug)]
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pub struct List {
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/// Show all parameters
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#[clap(short, long)]
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all: bool,
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}
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impl List {
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pub fn run(&self) -> Result<()> {
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match self.all {
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false => println!("Name"),
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true => println!(
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"{0: <10} {1: <10} {2: <12} {3: <26} {4: <26}",
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"Name", "Size", "Permissions", "Modified", "Accessed",
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),
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}
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for mq in fs::read_dir("/dev/mqueue")? {
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match mq {
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Ok(mq) => {
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print!(
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"/{0: <10}",
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mq.file_name().into_string().map_err(|e| anyhow!(
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"Could not convert queue name to string: {:?}",
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e
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))?
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);
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if self.all {
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let metadata = mq.metadata()?;
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let modified: DateTime<Local> = metadata.modified()?.into();
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let accessed: DateTime<Local> = metadata.accessed()?.into();
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print!(
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"{0: <10} {1: <12o} {2: <26} {3: <26}",
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metadata.len(),
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metadata.permissions().mode(),
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modified,
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accessed,
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);
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}
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println!();
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}
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Err(e) => warn!("Could not read file: {:?}", e),
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}
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}
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Ok(())
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}
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}
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