connect then retry

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mpdyn"
-version = "0.1.3"
+version = "0.2.0"
 authors = ["Julien Rabier <taziden@flexiden.org>"]
 edition = "2024"
 

justfile

@@ -0,0 +1,9 @@
+alias b:= build
+alias i:= install
+
+build:
+    cargo build --release
+
+install:
+    cargo install --path .
+    systemctl --user restart mpdyn

src/main.rs

@@ -3,14 +3,15 @@ use mpdrs::{Client, Song};
 use rand::{prelude::*, rng};
 use std::{error::Error, thread, time};
 
+const CON: &str = "127.0.0.1:6600";
+
 fn main() -> Result<(), Box<dyn Error>> {
     // We enable consume mode here
-    Client::default().consume(true)?;
+    connect_retry().consume(true)?;
 
     // We launch an infinite loop
     loop {
-        //println!("{} checking playlist ", Local::now().format("%T"));
+        let ql = connect_retry().status()?.queue_len;
-        let ql = Client::default().status()?.queue_len;
         if ql < 10u32 {
             populate_playlist(10u32 - ql)?;
         };
@@ -19,6 +20,18 @@ fn main() -> Result<(), Box<dyn Error>> {
     }
 }
 
+fn connect_retry() -> Client {
+    loop {
+        if let Ok(res) = Client::connect(CON) {
+            break res;
+        } else {
+            println!("Unable to connect to MPD, retrying in 5 seconds");
+            thread::sleep(time::Duration::from_secs(5));
+            connect_retry()
+        };
+    }
+}
+
 fn populate_playlist(a: u32) -> Result<(), Box<dyn Error>> {
     if a == 1 {
         println!("need to add one song");
@@ -27,11 +40,11 @@ fn populate_playlist(a: u32) -> Result<(), Box<dyn Error>> {
     }
 
     for song in get_random_tracks(a)? {
-        match Client::default().push(&song.file) {
+        match connect_retry().push(&song.file) {
             Ok(_) => println!(
-                "adding: {:} by {:}",
+                "adding: \"{}\" by \"{}\"",
-                song.title.unwrap(),
+                song.title.unwrap_or_default(),
-                song.artist.unwrap()
+                song.artist.unwrap_or_default()
             ),
             Err(_) => println!("unable to add {:?}", song.title),
         }
@@ -42,7 +55,7 @@ fn populate_playlist(a: u32) -> Result<(), Box<dyn Error>> {
 fn get_random_tracks(n: u32) -> Result<Vec<Song>, Box<dyn Error>> {
     let mut rng = rng();
 
-    let query_albums = Client::default().lsinfo("/")?;
+    let query_albums = connect_retry().lsinfo("/").unwrap_or_default();
 
     let tracks: Vec<Song> = Iterator::filter_map(
         query_albums
@@ -69,7 +82,7 @@ fn match_directory(response: &LsInfoResponse) -> Result<i32, i32> {
 fn get_random_track(path: &str) -> Option<Song> {
     let mut rng = rng();
 
-    match Client::default().lsinfo(path) {
+    match connect_retry().lsinfo(path) {
         Ok(songs) => match songs.choose(&mut rng) {
             Some(LsInfoResponse::Song(song)) => Some(song.clone()),
             _ => None,