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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::sync::mpsc::Receiver;
use std::thread;
use std::time::Duration;
use std::os::unix::net::{UnixStream,UnixListener};
use bincode::{encode_into_std_write,config};
use crate::daemon::pomo::Pomo;
use crate::daemon::command::Command;
pub fn start_clock(rx: Receiver<Command>) -> thread::JoinHandle<()> {
thread::spawn(move || {
let mut p = Pomo::new();
// check if a socket already exists (only one daemon allowed!)
let sock = "/tmp/polydorod.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/polydorod.sock");
listener.set_nonblocking(true).unwrap();
// all of the connected listeners
let mut listeners: Vec<UnixStream> = Vec::new();
loop {
// if new listener is connected
match listener.accept() {
Ok((stream, _addr)) => {
listeners.push(stream);
}
Err(ref e) if e.kind() == std::io::ErrorKind::WouldBlock => {} // no new client
Err(e) => eprintln!("error while adding new listener: {}", e),
}
// listen to commands
while let Ok(cmd) = rx.try_recv() {
match cmd {
Command::Run => p.run(),
Command::Pause => p.pause(),
Command::Toggle => p.toggle(),
Command::Skip => p.end_cycle(),
Command::SoftReset => p.soft_reset(),
Command::HardReset => p.hard_reset(),
Command::Reset => p.reset(),
}
}
p.tick();
// send p struct to the listeners listening to polydorod.sock
listeners.retain_mut(|l| {
if let Err(_) = encode_into_std_write(&p, l, config::standard()) {
false // drop this listener, seems to be disconnected
} else {
true
}
});
thread::sleep(Duration::from_secs(1));
}
})
}
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