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Oops, reversed accidental delietion of examples/poll_sysfs
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#![cfg(not(target_os = "windows"))] | ||
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use std::path::Path; | ||
use std::time::Duration; | ||
use notify::poll::PollWatcherConfig; | ||
use notify::{PollWatcher, RecursiveMode, Watcher}; | ||
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fn main() -> notify::Result<()> { | ||
let mut paths: Vec<_> = std::env::args().skip(1) | ||
.map(|arg| Path::new(&arg).to_path_buf()) | ||
.collect(); | ||
if paths.is_empty() { | ||
let lo_stats = Path::new("/sys/class/net/lo/statistics/tx_bytes").to_path_buf(); | ||
if !lo_stats.exists() { | ||
eprintln!("Must provide path to watch, default system path was not found (probably you're not running on Linux?)"); | ||
std::process::exit(1); | ||
} | ||
println!("Trying {:?}, use `ping localhost` to see changes!", lo_stats); | ||
paths.push(lo_stats); | ||
} | ||
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println!("watching {:?}...", paths); | ||
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let config = PollWatcherConfig { | ||
compare_contents: true, | ||
poll_interval: Duration::from_secs(2), | ||
}; | ||
let (tx, rx) = std::sync::mpsc::channel(); | ||
let mut watcher = PollWatcher::with_config(tx, config)?; | ||
for path in paths { | ||
watcher.watch(&path, RecursiveMode::Recursive)?; | ||
} | ||
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for res in rx { | ||
match res { | ||
Ok(event) => println!("changed: {:?}", event), | ||
Err(e) => println!("watch error: {:?}", e), | ||
} | ||
} | ||
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Ok(()) | ||
} |