first commit

1 files changed, 82 insertions, 0 deletions

diff --git a/src/daemon/clock.rs b/src/daemon/clock.rs
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--- /dev/null
+++ b/src/daemon/clock.rs
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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));
+        }
+    })
+}