aquatic_ws: add logging with level configured by config file

aquatic_ws/src/bin/main.rs

@@ -1,5 +1,8 @@
-use aquatic_ws;
-use cli_helpers;
+use anyhow::Context;
+use cli_helpers::run_app_with_cli_and_config;
+use simplelog::{ConfigBuilder, LevelFilter, TermLogger, TerminalMode, ThreadLogMode};
+
+use aquatic_ws::config::{Config, LogLevel};
 
 
 #[global_allocator]
@@ -7,10 +10,35 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 
 fn main(){
-    // ::simple_logger::init().unwrap();
-
-    cli_helpers::run_app_with_cli_and_config::<aquatic_ws::config::Config>(
+    run_app_with_cli_and_config::<Config>(
         "aquatic: webtorrent tracker",
-        aquatic_ws::run,
+        run
     )
+}
+
+
+fn run(config: Config) -> anyhow::Result<()> {
+    let level_filter = match config.log_level {
+        LogLevel::Off => LevelFilter::Off,
+        LogLevel::Error => LevelFilter::Error,
+        LogLevel::Warn => LevelFilter::Warn,
+        LogLevel::Info => LevelFilter::Info,
+        LogLevel::Debug => LevelFilter::Debug,
+        LogLevel::Trace => LevelFilter::Trace,
+    };
+
+    let simplelog_config = ConfigBuilder::new()
+        .set_time_to_local(true)
+        .set_location_level(LevelFilter::Off)
+        .set_thread_level(LevelFilter::Error)
+        .set_thread_mode(ThreadLogMode::Both)
+        .build();
+
+    TermLogger::init(
+        level_filter,
+        simplelog_config,
+        TerminalMode::Stdout
+    ).context("Couldn't initialize logger")?;
+
+    aquatic_ws::run(config)
 }