pref: 提高LogEvent的效率(移除发送前的反序列化步骤)

src-tauri/src/events.rs

@@ -1,23 +1,15 @@
-use std::collections::HashMap;
-
 use serde::{Deserialize, Serialize};
 use specta::Type;
 use tauri_specta::Event;
 
-use crate::{
-    downloader::{download_progress::DownloadProgress, download_task_state::DownloadTaskState},
-    types::log_level::LogLevel,
+use crate::downloader::{
+    download_progress::DownloadProgress, download_task_state::DownloadTaskState,
 };
 
 #[derive(Debug, Clone, Serialize, Deserialize, Type, Event)]
+#[serde(rename_all = "camelCase")]
 pub struct LogEvent {
-    pub timestamp: String,
-    pub level: LogLevel,
-    pub fields: HashMap<String, serde_json::Value>,
-    pub target: String,
-    pub filename: String,
-    #[serde(rename = "line_number")]
-    pub line_number: i64,
+    pub json_raw: String,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Type, Event)]

src-tauri/src/lib.rs

@@ -33,6 +33,7 @@ use crate::{
     downloader::download_manager::DownloadManager,
     errors::install_custom_eyre_handler,
     events::{DownloadEvent, LogEvent},
+    types::log_metadata::LogMetadata,
 };
 
 fn generate_context() -> tauri::Context<Wry> {
@@ -72,7 +73,8 @@ pub fn run() {
             get_skip_segments,
             get_available_media_formats,
         ])
-        .events(tauri_specta::collect_events![LogEvent, DownloadEvent]);
+        .events(tauri_specta::collect_events![LogEvent, DownloadEvent])
+        .typ::<LogMetadata>();
 
     #[cfg(debug_assertions)]
     builder

src-tauri/src/logger.rs

@@ -13,7 +13,7 @@ use tracing_error::ErrorLayer;
 use tracing_subscriber::{
     Layer, Registry,
     filter::{FilterExt, Targets, filter_fn},
-    fmt::{layer, time::LocalTime},
+    fmt::{MakeWriter, layer, time::LocalTime},
     layer::SubscriberExt,
     registry::LookupSpan,
     util::SubscriberInitExt,
@@ -30,17 +30,8 @@ struct LogEventWriter {
 
 impl Write for LogEventWriter {
     fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
-        let log_string = String::from_utf8_lossy(buf);
-        match serde_json::from_str::<LogEvent>(&log_string) {
-            Ok(log_event) => {
-                let _ = log_event.emit(&self.app);
-            }
-            Err(err) => {
-                let log_string = log_string.to_string();
-                let message = err.to_string();
-                tracing::error!(log_string, message, "将日志字符串解析为LogEvent失败");
-            }
-        }
+        let json_raw = String::from_utf8_lossy(buf).to_string();
+        let _ = LogEvent { json_raw }.emit(&self.app);
         Ok(buf.len())
     }
 
@@ -49,6 +40,20 @@ impl Write for LogEventWriter {
     }
 }
 
+struct LogEventWriterFactory {
+    app: AppHandle,
+}
+
+impl MakeWriter<'_> for LogEventWriterFactory {
+    type Writer = LogEventWriter;
+
+    fn make_writer(&self) -> Self::Writer {
+        LogEventWriter {
+            app: self.app.clone(),
+        }
+    }
+}
+
 static RELOAD_FN: OnceLock<Box<dyn Fn() -> eyre::Result<()> + Send + Sync>> = OnceLock::new();
 static GUARD: OnceLock<parking_lot::Mutex<Option<WorkerGuard>>> = OnceLock::new();
 
@@ -70,9 +75,9 @@ pub fn init(app: &AppHandle) -> eyre::Result<()> {
         .with_file(true)
         .with_line_number(true);
     // 发送到前端
-    let log_event_writer = std::sync::Mutex::new(LogEventWriter { app: app.clone() });
+    let log_event_factory = LogEventWriterFactory { app: app.clone() };
     let log_event_layer = layer()
-        .with_writer(log_event_writer)
+        .with_writer(log_event_factory)
         .with_timer(LocalTime::rfc_3339())
         .with_file(true)
         .with_line_number(true)

src-tauri/src/types/log_level.rs

@@ -1,16 +0,0 @@
-use serde::{Deserialize, Serialize};
-use specta::Type;
-
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Type)]
-pub enum LogLevel {
-    #[serde(rename = "TRACE")]
-    Trace,
-    #[serde(rename = "DEBUG")]
-    Debug,
-    #[serde(rename = "INFO")]
-    Info,
-    #[serde(rename = "WARN")]
-    Warn,
-    #[serde(rename = "ERROR")]
-    Error,
-}

src-tauri/src/types/log_metadata.rs

@@ -0,0 +1,39 @@
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+use specta::Type;
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Type)]
+pub struct LogMetadata {
+    pub timestamp: String,
+    pub level: LogLevel,
+    pub fields: HashMap<String, serde_json::Value>,
+    pub target: String,
+    pub filename: String,
+    pub line_number: i64,
+    #[serde(default)]
+    pub span: serde_json::Value,
+    #[serde(default)]
+    pub spans: Vec<LogSpan>,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Type)]
+pub struct LogSpan {
+    pub name: String,
+    #[serde(flatten)]
+    pub other_fields: HashMap<String, serde_json::Value>,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Type)]
+pub enum LogLevel {
+    #[serde(rename = "TRACE")]
+    Trace,
+    #[serde(rename = "DEBUG")]
+    Debug,
+    #[serde(rename = "INFO")]
+    Info,
+    #[serde(rename = "WARN")]
+    Warn,
+    #[serde(rename = "ERROR")]
+    Error,
+}

src-tauri/src/types/mod.rs

@@ -19,7 +19,7 @@ pub mod get_history_info_params;
 pub mod get_normal_info_params;
 pub mod get_user_video_info_params;
 pub mod history_info;
-pub mod log_level;
+pub mod log_metadata;
 pub mod normal_info;
 pub mod normal_media_url;
 pub mod player_info;

src/bindings.ts

@@ -331,8 +331,10 @@ export type JsonTask = { selected: boolean; completed: boolean }
 export type JsonValue = null | boolean | number | string | JsonValue[] | { [key in string]: JsonValue }
 export type LabelInUserInfo = { path: string; text: string; label_theme: string; text_color: string; bg_style: number; bg_color: string; border_color: string; use_img_label: boolean; img_label_uri_hans: string; img_label_uri_hant: string; img_label_uri_hans_static: string; img_label_uri_hant_static: string }
 export type LevelInfoInUserInfo = { current_level: number; current_min: number; current_exp: number }
-export type LogEvent = { timestamp: string; level: LogLevel; fields: { [key in string]: JsonValue }; target: string; filename: string; line_number: number }
+export type LogEvent = { jsonRaw: string }
 export type LogLevel = "TRACE" | "DEBUG" | "INFO" | "WARN" | "ERROR"
+export type LogMetadata = { timestamp: string; level: LogLevel; fields: { [key in string]: JsonValue }; target: string; filename: string; line_number: number; span?: JsonValue; spans?: LogSpan[] }
+export type LogSpan = ({ [key in string]: null | boolean | number | string | JsonValue[] | { [key in string]: JsonValue } }) & { name: string }
 export type MediaChunk = { start: number; end: number; completed: boolean }
 export type MediaInFav = { id: number; type: number; title: string; cover: string; intro: string; page: number; duration: number; upper: UpperInMedia; attr: number; cnt_info: CntInfoInMedia; link: string; ctime: number; pubtime: number; fav_time: number; bv_id: string; bvid: string; ugc: Ugc | null; media_list_link: string }
 export type MediaInWatchLater = { aid: number; videos: number; tid: number; tname: string; copyright: number; pic: string; title: string; pubdate: number; ctime: number; desc: string; state: number; duration: number; redirect_url: string | null; mission_id: number | null; rights: RightsInWatchLater; owner: OwnerInWatchLater; stat: StatInWatchLater; dynamic: string; dimension: DimensionInWatchLater; short_link_v2: string; up_from_v2: number | null; first_frame: string | null; pub_location: string | null; cover43: string; tidv2: number; tnamev2: string; pid_v2: number; pid_name_v2: string; page: PageInWatchLater; count: number; cid: number; progress: number; add_at: number; bvid: string; uri: string; enable_vt: number; view_text_1: string; card_type: number; left_icon_type: number; left_text: string; right_icon_type: number; right_text: string; arc_state: number; pgc_label: string; show_up: boolean; forbid_fav: boolean; forbid_sort: boolean; season_title: string; long_title: string; index_title: string; c_source: string; season_id: number | null }

src/dialogs/LogDialog.vue

@@ -1,5 +1,5 @@
 <script setup lang="tsx">
-import { LogEvent, LogLevel, events, commands } from '../bindings.ts'
+import { LogLevel, events, commands, LogMetadata } from '../bindings.ts'
 import {
   NButton,
   NCheckbox,
@@ -12,13 +12,13 @@ import {
   NVirtualList,
   useNotification,
 } from 'naive-ui'
-import { onMounted, ref, watch, computed } from 'vue'
+import { onMounted, ref, watch, computed, shallowRef, triggerRef } from 'vue'
 import { appDataDir } from '@tauri-apps/api/path'
 import { path } from '@tauri-apps/api'
 import { useStore } from '../store.ts'
 import { darkTheme } from 'naive-ui'
 
-type LogRecord = LogEvent & { id: number; formatedLog: string }
+type LogRecord = LogMetadata & { id: number; formatedLog: string }
 
 const store = useStore()
 
@@ -28,7 +28,7 @@ const showing = defineModel<boolean>('showing', { required: true })
 
 let nextLogRecordId = 1
 
-const logRecords = ref<LogRecord[]>([])
+const logRecords = shallowRef<LogRecord[]>([])
 const searchText = ref<string>('')
 const selectedLevel = ref<LogLevel>('INFO')
 const logsDirSize = ref<number>(0)
@@ -110,14 +110,18 @@ watch(showing, async () => {
 
 onMounted(async () => {
   await events.logEvent.listen(async ({ payload: logEvent }) => {
-    const logRecord: LogRecord = {
-      ...logEvent,
-      id: nextLogRecordId++,
-      formatedLog: formatLogEvent(logEvent),
-    }
-    logRecords.value.push(logRecord)
+    const logMetadata: LogMetadata = JSON.parse(logEvent.jsonRaw)
 
-    const { level, fields } = logEvent
+    const logRecord: LogRecord = {
+      ...logMetadata,
+      id: nextLogRecordId++,
+      formatedLog: formatLogMetadata(logMetadata),
+    }
+
+    logRecords.value.push(logRecord)
+    triggerRef(logRecords)
+
+    const { level, fields } = logMetadata
     if (level === 'ERROR') {
       notification.error({
         title: fields['err_title'] as string,
@@ -128,8 +132,8 @@ onMounted(async () => {
   })
 })
 
-function formatLogEvent(logEvent: LogEvent): string {
-  const { timestamp, level, fields, target, filename, line_number } = logEvent
+function formatLogMetadata(logMetadata: LogMetadata): string {
+  const { timestamp, level, fields, target, filename, line_number } = logMetadata
   const fields_str = Object.entries(fields)
     .sort(([key1], [key2]) => key1.localeCompare(key2))
     .map(([key, value]) => `${key}=${value}`)