ENGINEのログをVOICEVOX側のログに出力

package.json

@@ -28,6 +28,7 @@
  "@quasar/extras": "^1.10.9",
  "ajv": "^8.6.2",
  "core-js": "^3.6.5",
+ "dayjs": "^1.10.7",
  "electron-log": "^4.4.1",
  "electron-store": "^8.0.0",
  "encoding-japanese": "^1.0.30",

src/background.ts

@@ -1,6 +1,6 @@
 "use strict";
 
-import { execFile, ChildProcess } from "child_process";
+import { spawn, ChildProcess } from "child_process";
 import dotenv from "dotenv";
 import treeKill from "tree-kill";
 import Store from "electron-store";
@@ -13,11 +13,23 @@ import path from "path";
 import { textEditContextMenu } from "./electron/contextMenu";
 import { hasSupportedGpu } from "./electron/device";
 import { ipcMainHandle, ipcMainSend } from "@/electron/ipc";
-import { logError } from "./electron/log";
 
 import fs from "fs";
 import { CharacterInfo, SavingSetting } from "./type/preload";
 
+import log from "electron-log";
+import dayjs from "dayjs";
+
+// silly以上のログをコンソールに出力
+log.transports.console.format = "[{h}:{i}:{s}.{ms}] [{level}] {text}";
+log.transports.console.level = "silly";
+
+// warn以上のログをファイルに出力
+const prefix = dayjs().format("YYYYMMDD_HHmmss");
+log.transports.file.format = "[{h}:{i}:{s}.{ms}] [{level}] {text}";
+log.transports.file.level = "warn";
+log.transports.file.fileName = `${prefix}_error.log`;
+
 const isDevelopment = process.env.NODE_ENV !== "production";
 
 let win: BrowserWindow;
@@ -26,10 +38,10 @@ let win: BrowserWindow;
 if (!isDevelopment && !app.requestSingleInstanceLock()) app.quit();
 
 process.on("uncaughtException", (error) => {
- logError(error);
+ log.error(error);
 });
 process.on("unhandledRejection", (reason) => {
- logError(reason);
+ log.error(reason);
 });
 
 // 設定
@@ -92,26 +104,40 @@ async function runEngine() {
  });
  }
 
+ const useGpu = store.get("useGpu");
+ log.info(`ENGINE will start in ${useGpu ? "GPU" : "CPU"} mode`);
+
  // エンジンプロセスの起動
  const enginePath = path.resolve(
  appDirPath,
  process.env.ENGINE_PATH ?? "run.exe"
  );
- const args = store.get("useGpu") ? ["--use_gpu"] : null;
- engineProcess = execFile(
- enginePath,
- args,
- { cwd: path.dirname(enginePath) },
- () => {
- if (!willQuitEngine) {
- ipcMainSend(win, "DETECTED_ENGINE_ERROR");
- dialog.showErrorBox(
- "音声合成エンジンエラー",
- "音声合成エンジンが異常終了しました。エンジンを再起動してください。"
- );
- }
+ const args = useGpu ? ["--use_gpu"] : [];
+
+ engineProcess = spawn(enginePath, args, {
+ cwd: path.dirname(enginePath),
+ });
+
+ engineProcess.stdout?.on("data", (data) => {
+ log.info("ENGINE: " + data.toString("utf-8"));
+ });
+
+ engineProcess.stderr?.on("data", (data) => {
+ log.error("ENGINE: " + data.toString("utf-8"));
+ });
+
+ engineProcess.on("close", (code, signal) => {
+ log.info(`ENGINE: terminated due to receipt of signal ${signal}`);
+ log.info(`ENGINE: exited with code ${code}`);
+
+ if (!willQuitEngine) {
+ ipcMainSend(win, "DETECTED_ENGINE_ERROR");
+ dialog.showErrorBox(
+ "音声合成エンジンエラー",
+ "音声合成エンジンが異常終了しました。エンジンを再起動してください。"
+ );
  }
- );
+ });
 }
 
 // temp dir
@@ -330,7 +356,11 @@ ipcMainHandle("MAXIMIZE_WINDOW", () => {
 });
 
 ipcMainHandle("LOG_ERROR", (_, ...params) => {
- logError(...params);
+ log.error(...params);
+});
+
+ipcMainHandle("LOG_INFO", (_, ...params) => {
+ log.info(...params);
 });
 
 /**
@@ -363,7 +393,7 @@ ipcMainHandle(
  treeKill(engineProcess.pid, (error) => {
  // error変数の値がnull以外であればkillコマンドが失敗したことを意味します。
  if (error !== null) {
- console.log(error);
+ log.error(error);
 
  // 再起動用に設定したclose listenerを削除。
  engineProcess.removeListener("close", closeListenerCallBack);
@@ -414,8 +444,9 @@ app.on("quit", () => {
  willQuitEngine = true;
  try {
  engineProcess.pid != undefined && treeKill(engineProcess.pid);
- } catch {
- logError("engine kill error");
+ } catch (e: unknown) {
+ log.error("engine kill error");
+ log.error(e);
  }
 });
 
@@ -429,7 +460,7 @@ app.on("ready", async () => {
  await installExtension(VUEJS3_DEVTOOLS);
  } catch (e: unknown) {
  if (e instanceof Error) {
- logError("Vue Devtools failed to install:", e.toString());
+ log.error("Vue Devtools failed to install:", e.toString());
  }
  }
  }

src/electron/ipc.ts

@@ -1,5 +1,5 @@
 import { ipcMain, IpcMainInvokeEvent, BrowserWindow } from "electron";
-import { logError } from "@/electron/log";
+import log from "electron-log";
 
 export function ipcMainHandle<T extends keyof IpcIHData>(
  channel: T,
@@ -19,7 +19,7 @@ export function ipcMainHandle(
  try {
  return listener(event, ...args);
  } catch (e) {
- logError(e);
+ log.error(e);
  }
  };
  ipcMain.handle(channel, errorHandledListener);

src/electron/preload.ts

@@ -148,6 +148,10 @@ const api: Sandbox = {
  return ipcRenderer.invoke("LOG_ERROR", ...params);
  },
 
+ logInfo: (...params) => {
+ return ipcRenderer.invoke("LOG_INFO", ...params);
+ },
+
  restartEngine: () => {
  return ipcRendererInvoke("RESTART_ENGINE");
  },

src/store/audio.ts

@@ -272,7 +272,7 @@ export const audioStore: VoiceVoxStoreOptions<
  await api.versionVersionGet();
  } catch {
  await new Promise((resolve) => setTimeout(resolve, 1000));
- console.log("waiting engine...");
+ window.electron.logInfo("waiting engine...");
  continue;
  }
  engineState = "READY";

src/store/index.ts

@@ -50,6 +50,9 @@ export const indexStore: VoiceVoxStoreOptions<
  LOG_ERROR(_, ...params: unknown[]) {
  window.electron.logError(...params);
  },
+ LOG_INFO(_, ...params: unknown[]) {
+ window.electron.logInfo(...params);
+ },
  },
 };
 

src/store/type.ts

@@ -348,6 +348,7 @@ export type IndexActions = {
  message: string;
  }): Promise<Electron.MessageBoxReturnValue>;
  LOG_ERROR(...payload: unknown[]): void;
+ LOG_INFO(...payload: unknown[]): void;
 };
 
 /*

src/type/ipc.d.ts

@@ -107,6 +107,11 @@ type IpcIHData = {
  return: void;
  };
 
+ LOG_INFO: {
+ args: [...params: unknown[]];
+ return: void;
+ };
+
  RESTART_ENGINE: {
  args: [];
  return: void;

src/type/preload.d.ts

@@ -39,6 +39,7 @@ export interface Sandbox {
  minimizeWindow(): void;
  maximizeWindow(): void;
  logError(...params: unknown[]): void;
+ logInfo(...params: unknown[]): void;
  restartEngine(): Promise<void>;
  savingSetting(newData?: SavingSetting): Promise<SavingSetting>;
  checkFileExists(file: string): Promise<boolean>;