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/* Polydoro - Pomodoro widget for polybar and friends
* Copyright (C) 2025 Vidhu Kant Sharma <vidhukant@vidhukant.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use std::os::unix::net::UnixListener;
use std::io::{BufRead, BufReader};
use std::thread;
use std::sync::mpsc::Sender;
pub enum Command {
Run,
Pause,
Toggle, // conditional run/pause
Skip,
SoftReset,
HardReset,
Reset, // conditional soft/hard reset
}
pub fn start_command_listener(tx: Sender<Command>) -> thread::JoinHandle<()> {
thread::spawn(move || {
// check if a socket already exists (only one daemon allowed!)
let sock = "/tmp/polydorocmd.sock";
if std::fs::metadata(sock).is_ok() {
eprintln!("socket {} already exists, is another daemon running?", sock);
std::process::exit(1);
}
// all OK, create a sock
let listener = UnixListener::bind(sock).expect("failed to bind socket /tmp/polydorocmd.sock");
for stream in listener.incoming() {
match stream {
Ok(s) => {
let mut reader = BufReader::new(s);
let mut buf = String::new();
if let Ok(_) = reader.read_line(&mut buf) {
let msg = match buf.trim() {
"run" => Command::Run,
"pause" => Command::Pause,
"toggle" => Command::Toggle,
"skip" => Command::Skip,
"soft-reset" => Command::SoftReset,
"hard-reset" => Command::HardReset,
"reset" => Command::Reset,
&_ => Command::Run, // doesn't matter, pretty sure it won't ever hit this case
};
let _ = tx.send(msg).unwrap();
}
},
Err(_) => {}
}
}
})
}
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