Added logging functionality via log4rs crate

Cargo.toml

@@ -1,13 +1,15 @@
 [package]
 name = "adept"
 description = "Bit Goblin automated video transcoding service."
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 readme = "README.md"
 license = "BSD 2-Clause"
 authors = ["Gregory Ballantine <gballantine@bitgoblin.tech>"]
 
 [dependencies]
+log = "0.4"
+log4rs = "1.1"
 toml = "0.5"
 serde = "1.0"
 serde_derive = "1.0"
@@ -15,7 +17,7 @@ shellexpand = "2.1"
 
 [package.metadata.deb]
 license-file = "LICENSE"
-maintainer-scripts = "build/debian/scripts"
+maintainer-scripts = "build/scripts"
 depends = "ffmpeg (>= 4)"
 section = "video"
 assets = [
@@ -35,6 +37,6 @@ assets = [
   { source = "build/etc/example.toml", dest = "/etc/adept/example.toml", mode = "755"},
   { source = "README.md", dest = "/usr/share/doc/adept/README", mode = "644"}
 ]
-post_install_script = "build/script/postinst"
+post_install_script = "build/scripts/postinst"
 [package.metadata.generate-rpm.requires]
 ffmpeg = ">= 4"

build/scripts/postinst

@@ -20,3 +20,7 @@ fi
 
 # Change the directory ownership of /etc
 chown -R adept:adept /etc/adept
+
+#DEBHELPER#
+
+exit 0

log4rs.yaml

@@ -0,0 +1,12 @@
+appenders:
+  stdout:
+    kind: console
+    encoder:
+      pattern: "{d(%+)(utc)} {h({l})}: {m}{n}"
+    filters:
+      - kind: threshold
+        level: info
+root:
+  level: info
+  appenders:
+    - stdout

src/main.rs

@@ -1,3 +1,4 @@
+use log4rs;
 use config::Config;
 use repository::Repository;
 use transcoder::Transcoder;
@@ -7,6 +8,9 @@ mod repository;
 mod transcoder;
 
 fn main() {
+  // initialize the log4rs logger
+  log4rs::init_file("./log4rs.yaml", Default::default()).unwrap();
+
   // create and initialize our config and repository objects
   let c: Config = Config::new("~/.config/adept.toml");
   let r: Repository = Repository::new(&c.get_repository());

src/repository.rs

@@ -1,5 +1,6 @@
 use std::fs;
 use std::path::Path;
+use log::{error, info};
 
 pub struct Repository {
   pub base_dir: String,
@@ -53,10 +54,10 @@ impl Repository {
 
     match fs::copy(&ingest_file, &archive_file) {
       Ok(_) => {
-				println!("Archiving video file {}.", ingest_file.to_str().unwrap());
+        info!("Archiving video file {}.", ingest_file.to_str().unwrap());
       },
       Err(e) => {
-				eprintln!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
+        error!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
         std::process::exit(1);
       }
     }
@@ -72,14 +73,14 @@ impl Repository {
 fn create_directory(path: &str) {
   let d = Path::new(path);
   if d.is_dir() {
-		println!("Directory {} already exists.", path);
+    info!("Directory {} already exists.", path);
   } else {
     match fs::create_dir(path) {
       Ok(_) => {
-				println!("Creating directory {}.", path);
+        info!("Creating directory {}.", path);
       },
       Err(e) => {
-				eprintln!("Error creating {}: {}", path, e);
+        error!("Error creating {}: {}", path, e);
         std::process::exit(1);
       }
     }

src/transcoder.rs

@@ -1,5 +1,7 @@
 use std::path::Path;
 use std::process;
+use std::{thread, time};
+use log::{info};
 
 use crate::config::Config;
 use crate::repository::Repository;
@@ -18,11 +20,16 @@ impl Transcoder {
   }
 
   pub fn start(self) {
-		println!("Starting transcoder...");
+    info!("Starting transcoder...");
 
+    loop {
       // search for files in ingest
       let ingest_files = self.repository.search_ingest();
 
+      // check if we found any files to transcode
+      if ingest_files.len() < 1 {
+        info!("There were no files found in ingest to transcode; skipping run.");
+      } else {
         for i in ingest_files {
           // copy the file to the archive
           self.repository.archive_file(&i);
@@ -35,6 +42,12 @@ impl Transcoder {
         }
       }
 
+      // put the loop to sleep for X minutes
+      let sleep_minutes = time::Duration::from_secs((self.config.transcoder.interval * 60).into());
+      thread::sleep(sleep_minutes);
+    }
+  }
+
   fn transcode(&self, file: &str) {
     let ingest_file = Path::new(&self.repository.ingest_dir).join(file);
     let output_file = Path::new(&self.repository.output_dir).join(file);
@@ -56,6 +69,6 @@ impl Transcoder {
     assert!(cmd_output.status.success());
 
     let results_raw = &String::from_utf8_lossy(&cmd_output.stderr);
-		println!("{}", results_raw);
+    info!("{}", results_raw);
   }
 }