feat: add configurable log size and count options in settings

src-tauri/src/config/verge.rs

@@ -14,6 +14,12 @@ pub struct IVerge {
     /// silent | error | warn | info | debug | trace
     pub app_log_level: Option<String>,
 
+    /// app log max size in KB
+    pub app_log_max_size: Option<u64>,
+
+    /// app log max count
+    pub app_log_max_count: Option<usize>,
+
     // i18n
     pub language: Option<String>,
 
@@ -350,6 +356,8 @@ impl IVerge {
 
     pub fn template() -> Self {
         Self {
+            app_log_max_size: Some(128),
+            app_log_max_count: Some(8),
             clash_core: Some("verge-mihomo".into()),
             language: Some(Self::get_system_language()),
             theme_mode: Some("system".into()),
@@ -426,6 +434,9 @@ impl IVerge {
         }
 
         patch!(app_log_level);
+        patch!(app_log_max_size);
+        patch!(app_log_max_count);
+
         patch!(language);
         patch!(theme_mode);
         patch!(tray_event);
@@ -524,6 +535,8 @@ impl IVerge {
 #[derive(Debug, Clone, Serialize)]
 pub struct IVergeResponse {
     pub app_log_level: Option<String>,
+    pub app_log_max_size: Option<u64>,
+    pub app_log_max_count: Option<usize>,
     pub language: Option<String>,
     pub theme_mode: Option<String>,
     pub tray_event: Option<String>,
@@ -595,6 +608,8 @@ impl From<IVerge> for IVergeResponse {
         let valid_clash_core = verge.get_valid_clash_core();
         Self {
             app_log_level: verge.app_log_level,
+            app_log_max_size: verge.app_log_max_size,
+            app_log_max_count: verge.app_log_max_count,
             language: verge.language,
             theme_mode: verge.theme_mode,
             tray_event: verge.tray_event,

src-tauri/src/utils/init.rs

@@ -22,7 +22,16 @@ use tokio::fs::DirEntry;
 /// initialize this instance's log file
 #[cfg(not(feature = "tauri-dev"))]
 pub async fn init_logger() -> Result<()> {
-    let log_level = Config::verge().await.latest_ref().get_log_level();
+    // TODO 提供 runtime 级别实时修改
+    let (log_level, log_max_size, log_max_count) = {
+        let verge_guard = Config::verge().await;
+        let verge = verge_guard.latest_ref();
+        (
+            verge.get_log_level(),
+            verge.app_log_max_size.unwrap_or(128),
+            verge.app_log_max_count.unwrap_or(8),
+        )
+    };
 
     let log_dir = dirs::app_logs_dir()?;
     let logger = Logger::with(LogSpecification::from(log_level))
@@ -31,14 +40,12 @@ pub async fn init_logger() -> Result<()> {
         .format(console_colored_format)
         .format_for_files(file_format)
         .rotate(
-            // ? 总是保持单个日志最大 10 MB
-            Criterion::Size(10 * 1024 * 1024),
+            Criterion::Size(log_max_size * 1024),
             flexi_logger::Naming::TimestampsCustomFormat {
                 current_infix: Some("latest"),
                 format: "%Y-%m-%d_%H-%M-%S",
             },
-            // TODO 提供前端设置最大保留文件数量
-            Cleanup::Never,
+            Cleanup::KeepLogFiles(log_max_count),
         )
         .filter(Box::new(NoExternModule));