refactor: add app and nitro log - resolve dependencies issue (#1447)

* refactor: add app and nitro log - resolve dependencies issue

* fix: update guidance message on inference error

* chore: add timestamp to log files

* chore: add clear logs action

core/rollup.config.ts

@@ -53,6 +53,8 @@ export default [
       'crypto',
       'url',
       'http',
+      'os',
+      'util'
     ],
     watch: {
       include: 'src/node/**',

core/src/api/index.ts

@@ -12,6 +12,7 @@ export enum AppRoute {
   baseName = 'baseName',
   startServer = 'startServer',
   stopServer = 'stopServer',
+  log = 'log'
 }
 
 export enum AppEvent {

core/src/core.ts

@@ -77,13 +77,12 @@ const openExternalUrl: (url: string) => Promise<any> = (url) =>
 const getResourcePath: () => Promise<string> = () => global.core.api?.getResourcePath()
 
 /**
- * Gets the file's stats.
+ * Log to file from browser processes.
  *
- * @param path - The path to the file.
+ * @param message - Message to log.
- * @returns {Promise<FileStat>} - A promise that resolves with the file's stats.
  */
-const fileStat: (path: string) => Promise<FileStat | undefined> = (path) =>
+const log: (message: string, fileName?: string) => void = (message, fileName) =>
-  global.core.api?.fileStat(path)
+  global.core.api?.log(message, fileName)
 
 /**
  * Register extension point function type definition
@@ -108,5 +107,6 @@ export {
   joinPath,
   openExternalUrl,
   baseName,
-  fileStat,
+  log,
+  FileStat
 }

core/src/fs.ts

@@ -1,3 +1,5 @@
+import { FileStat } from "./types"
+
 /**
  * Writes data to a file at the specified path.
  * @returns {Promise<any>} A Promise that resolves when the file is written successfully.
@@ -58,6 +60,17 @@ const syncFile: (src: string, dest: string) => Promise<any> = (src, dest) =>
  */
 const copyFileSync = (...args: any[]) => global.core.api?.copyFileSync(...args)
 
+
+/**
+ * Gets the file's stats.
+ *
+ * @param path - The path to the file.
+ * @returns {Promise<FileStat>} - A promise that resolves with the file's stats.
+ */
+const fileStat: (path: string) => Promise<FileStat | undefined> = (path) =>
+  global.core.api?.fileStat(path)
+
+
 // TODO: Export `dummy` fs functions automatically
 // Currently adding these manually
 export const fs = {
@@ -71,4 +84,5 @@ export const fs = {
   appendFileSync,
   copyFileSync,
   syncFile,
+  fileStat
 }

core/src/node/api/common/builder.ts

@@ -3,11 +3,6 @@ import { JanApiRouteConfiguration, RouteConfiguration } from './configuration'
 import { join } from 'path'
 import { ContentType, MessageStatus, Model, ThreadMessage } from './../../../index'
 
-import fetch from 'node-fetch'
-import { ulid } from 'ulid'
-import request from 'request'
-
-const progress = require('request-progress')
 const os = require('os')
 
 const path = join(os.homedir(), 'jan')
@@ -209,6 +204,7 @@ export const createMessage = async (threadId: string, message: any) => {
   const threadMessagesFileName = 'messages.jsonl'
 
   try {
+    const { ulid } = require('ulid')
     const msgId = ulid()
     const createdAt = Date.now()
     const threadMessage: ThreadMessage = {
@@ -260,8 +256,10 @@ export const downloadModel = async (modelId: string) => {
 
   // path to model binary
   const modelBinaryPath = join(directoryPath, modelId)
-  const rq = request(model.source_url)
 
+  const request = require('request')
+  const rq = request(model.source_url)
+  const progress = require('request-progress')
   progress(rq, {})
     .on('progress', function (state: any) {
       console.log('progress', JSON.stringify(state, null, 2))
@@ -324,6 +322,7 @@ export const chatCompletions = async (request: any, reply: any) => {
   }
   console.debug(apiUrl)
   console.debug(JSON.stringify(headers))
+  const fetch = require('node-fetch')
   const response = await fetch(apiUrl, {
     method: 'POST',
     headers: headers,

core/src/node/api/routes/download.ts

@@ -1,11 +1,10 @@
 import { DownloadRoute } from '../../../api'
 import { join } from 'path'
-import { userSpacePath, DownloadManager, HttpServer } from '../../index'
+import { userSpacePath } from '../../extension/manager'
+import { DownloadManager } from '../../download'
+import { HttpServer } from '../HttpServer'
 import { createWriteStream } from 'fs'
 
-const request = require('request')
-const progress = require('request-progress')
-
 export const downloadRouter = async (app: HttpServer) => {
   app.post(`/${DownloadRoute.downloadFile}`, async (req, res) => {
     const body = JSON.parse(req.body as any)
@@ -19,6 +18,9 @@ export const downloadRouter = async (app: HttpServer) => {
     const localPath = normalizedArgs[1]
     const fileName = localPath.split('/').pop() ?? ''
 
+    const request = require('request')
+    const progress = require('request-progress')
+    
     const rq = request(normalizedArgs[0])
     progress(rq, {})
       .on('progress', function (state: any) {

core/src/node/api/routes/extension.ts

@@ -1,12 +1,10 @@
 import { join, extname } from 'path'
-import { ExtensionRoute } from '../../../api'
+import { ExtensionRoute } from '../../../api/index'
-import {
+import { userSpacePath } from '../../extension/manager'
-  userSpacePath,
+import { ModuleManager } from '../../module'
-  ModuleManager,
+import { getActiveExtensions, installExtensions } from '../../extension/store'
-  getActiveExtensions,
+import { HttpServer } from '../HttpServer'
-  installExtensions,
+
-  HttpServer,
-} from '../../index'
 import { readdirSync } from 'fs'
 
 export const extensionRouter = async (app: HttpServer) => {

core/src/node/api/routes/fs.ts

@@ -1,6 +1,7 @@
 import { FileSystemRoute } from '../../../api'
 import { join } from 'path'
-import { HttpServer, userSpacePath } from '../../index'
+import { HttpServer } from '../HttpServer'
+import { userSpacePath } from '../../extension/manager'
 
 export const fsRouter = async (app: HttpServer) => {
   const moduleName = 'fs'

core/src/node/api/routes/v1.ts

@@ -1,5 +1,9 @@
 import { HttpServer } from '../HttpServer'
-import { commonRouter, threadRouter, fsRouter, extensionRouter, downloadRouter } from './index'
+import { commonRouter } from './common'
+import { threadRouter } from './thread'
+import { fsRouter } from './fs'
+import { extensionRouter } from './extension'
+import { downloadRouter } from './download'
 
 export const v1Router = async (app: HttpServer) => {
   // MARK: External Routes

core/src/node/download.ts

@@ -1,4 +1,3 @@
-import { Request } from "request";
 
 /**
  * Manages file downloads and network requests.
@@ -18,7 +17,7 @@ export class DownloadManager {
    * @param {string} fileName - The name of the file.
    * @param {Request | undefined} request - The network request to set, or undefined to clear the request.
    */
-  setRequest(fileName: string, request: Request | undefined) {
+  setRequest(fileName: string, request: any | undefined) {
     this.networkRequests[fileName] = request;
   }
 }

core/src/node/extension/extension.ts

@@ -1,7 +1,5 @@
 import { rmdirSync } from 'fs'
 import { resolve, join } from 'path'
-import { manifest, extract } from 'pacote'
-import * as Arborist from '@npmcli/arborist'
 import { ExtensionManager } from './manager'
 
 /**
@@ -41,6 +39,7 @@ export default class Extension {
    * @param {Object} [options] Options provided to pacote when fetching the manifest.
    */
   constructor(origin?: string, options = {}) {
+    const Arborist = require('@npmcli/arborist')
     const defaultOpts = {
       version: false,
       fullMetadata: false,
@@ -74,13 +73,15 @@ export default class Extension {
   async getManifest() {
     // Get the package's manifest (package.json object)
     try {
-      const mnf = await manifest(this.specifier, this.installOptions)
+      await import('pacote').then((pacote) => {
-
+        return pacote.manifest(this.specifier, this.installOptions).then((mnf) => {
-      // set the Package properties based on the it's manifest
+          // set the Package properties based on the it's manifest
-      this.name = mnf.name
+          this.name = mnf.name
-      this.version = mnf.version
+          this.version = mnf.version
-      this.main = mnf.main
+          this.main = mnf.main
-      this.description = mnf.description
+          this.description = mnf.description
+        })
+      })
     } catch (error) {
       throw new Error(`Package ${this.origin} does not contain a valid manifest: ${error}`)
     }
@@ -99,7 +100,8 @@ export default class Extension {
       await this.getManifest()
 
       // Install the package in a child folder of the given folder
-      await extract(
+      const pacote = await import('pacote')
+      await pacote.extract(
         this.specifier,
         join(ExtensionManager.instance.extensionsPath ?? '', this.name ?? ''),
         this.installOptions,
@@ -164,10 +166,13 @@ export default class Extension {
    * @returns the latest available version if a new version is available or false if not.
    */
   async isUpdateAvailable() {
-    if (this.origin) {
+      return import('pacote').then((pacote) => {
-      const mnf = await manifest(this.origin)
+        if (this.origin) {
-      return mnf.version !== this.version ? mnf.version : false
+        return pacote.manifest(this.origin).then((mnf) => { 
-    }
+          return mnf.version !== this.version ? mnf.version : false
+        })
+      }
+    })
   }
 
   /**

core/src/node/extension/manager.ts

@@ -1,7 +1,6 @@
 import { join, resolve } from "path";
 
 import { existsSync, mkdirSync, writeFileSync } from "fs";
-import { init } from "./index";
 import { homedir } from "os"
 /**
  * Manages extension installation and migration.
@@ -20,22 +19,6 @@ export class ExtensionManager {
     }
   }
 
-  /**
-   * Sets up the extensions by initializing the `extensions` module with the `confirmInstall` and `extensionsPath` options.
-   * The `confirmInstall` function always returns `true` to allow extension installation.
-   * The `extensionsPath` option specifies the path to install extensions to.
-   */
-  setupExtensions() {
-    init({
-      // Function to check from the main process that user wants to install a extension
-      confirmInstall: async (_extensions: string[]) => {
-        return true;
-      },
-      // Path to install extension to
-      extensionsPath: join(userSpacePath, "extensions"),
-    });
-  }
-
   setExtensionsPath(extPath: string) {
     // Create folder if it does not exist
     let extDir;

core/src/node/log.ts

@@ -3,16 +3,24 @@ import util from 'util'
 import path from 'path'
 import os from 'os'
 
-const appDir = path.join(os.homedir(), 'jan')
+export const logDir = path.join(os.homedir(), 'jan', 'logs')
 
-export const logPath = path.join(appDir, 'app.log')
+export const log = function (message: string, fileName: string = 'app.log') {
+  if (!fs.existsSync(logDir)) {
+    fs.mkdirSync(logDir, { recursive: true })
+  }
+  if (!message.startsWith('[')) {
+    message = `[APP]::${message}`
+  }
 
-export const log = function (d: any) {
+  message = `${new Date().toISOString()} ${message}`
-  if (fs.existsSync(appDir)) {
+
-    var log_file = fs.createWriteStream(logPath, {
+  if (fs.existsSync(logDir)) {
+    var log_file = fs.createWriteStream(path.join(logDir, fileName), {
       flags: 'a',
     })
-    log_file.write(util.format(d) + '\n')
+    log_file.write(util.format(message) + '\n')
     log_file.close()
+    console.debug(message)
   }
 }

electron/handlers/app.ts

@@ -1,9 +1,9 @@
-import { app, ipcMain, shell, nativeTheme } from 'electron'
+import { app, ipcMain, shell } from 'electron'
 import { join, basename } from 'path'
 import { WindowManager } from './../managers/window'
 import { getResourcePath, userSpacePath } from './../utils/path'
 import { AppRoute } from '@janhq/core'
-import { ExtensionManager, ModuleManager } from '@janhq/core/node'
+import { ModuleManager, init, log } from '@janhq/core/node'
 import { startServer, stopServer } from '@janhq/server'
 
 export function handleAppIPCs() {
@@ -59,7 +59,7 @@ export function handleAppIPCs() {
       app.isPackaged ? join(getResourcePath(), 'docs', 'openapi') : undefined
     )
   )
-  
+
   /**
    * Stop Jan API Server.
    */
@@ -82,8 +82,22 @@ export function handleAppIPCs() {
           require.resolve(join(userSpacePath, 'extensions', modulePath))
         ]
       }
-      ExtensionManager.instance.setupExtensions()
+      init({
+        // Function to check from the main process that user wants to install a extension
+        confirmInstall: async (_extensions: string[]) => {
+          return true
+        },
+        // Path to install extension to
+        extensionsPath: join(userSpacePath, 'extensions'),
+      })
       WindowManager.instance.currentWindow?.reload()
     }
   })
+
+  /**
+   * Log message to log file.
+   */
+  ipcMain.handle(AppRoute.log, async (_event, message, fileName) =>
+    log(message, fileName)
+  )
 }

electron/handlers/fileManager.ts

@@ -6,7 +6,7 @@ import { FileManagerRoute } from '@janhq/core'
 import { userSpacePath, getResourcePath } from './../utils/path'
 import fs from 'fs'
 import { join } from 'path'
-import { FileStat } from '@janhq/core/.'
+import { FileStat } from '@janhq/core'
 
 /**
  * Handles file system extensions operations.

electron/main.ts

@@ -6,7 +6,7 @@ import { createUserSpace } from './utils/path'
  * Managers
  **/
 import { WindowManager } from './managers/window'
-import { ExtensionManager, ModuleManager } from '@janhq/core/node'
+import { log, ModuleManager } from '@janhq/core/node'
 
 /**
  * IPC Handlers
@@ -17,14 +17,19 @@ import { handleFileMangerIPCs } from './handlers/fileManager'
 import { handleAppIPCs } from './handlers/app'
 import { handleAppUpdates } from './handlers/update'
 import { handleFsIPCs } from './handlers/fs'
+
+/**
+ * Utils
+ **/
 import { migrateExtensions } from './utils/migration'
 import { cleanUpAndQuit } from './utils/clean'
+import { setupExtensions } from './utils/extension'
 
 app
   .whenReady()
   .then(createUserSpace)
   .then(migrateExtensions)
-  .then(ExtensionManager.instance.setupExtensions)
+  .then(setupExtensions)
   .then(setupMenu)
   .then(handleIPCs)
   .then(handleAppUpdates)
@@ -93,5 +98,5 @@ function handleIPCs() {
 */
 process.on('uncaughtException', function (err) {
   // TODO: Write error to log file in #1447
-  console.error(err)
+  log(`Error: ${err}`)
 })

electron/utils/extension.ts

@@ -0,0 +1,13 @@
+import { init, userSpacePath } from '@janhq/core/node'
+import path from 'path'
+
+export const setupExtensions = () => {
+  init({
+    // Function to check from the main process that user wants to install a extension
+    confirmInstall: async (_extensions: string[]) => {
+      return true
+    },
+    // Path to install extension to
+    extensionsPath: path.join(userSpacePath, 'extensions'),
+  })
+}

extensions/inference-nitro-extension/package.json

@@ -50,6 +50,7 @@
   "bundleDependencies": [
     "tcp-port-used",
     "fetch-retry",
-    "os-utils"
+    "os-utils",
+    "@janhq/core"
   ]
 }

extensions/inference-nitro-extension/src/@types/global.d.ts

@@ -1,5 +1,6 @@
 declare const MODULE: string;
 declare const INFERENCE_URL: string;
+declare const TROUBLESHOOTING_URL: string;
 
 /**
  * The parameters for the initModel function.

extensions/inference-nitro-extension/src/helpers/nvidia.ts

@@ -0,0 +1,138 @@
+/**
+ * Default GPU settings
+ **/
+const DEFALT_SETTINGS = {
+  notify: true,
+  run_mode: "cpu",
+  nvidia_driver: {
+    exist: false,
+    version: "",
+  },
+  cuda: {
+    exist: false,
+    version: "",
+  },
+  gpus: [],
+  gpu_highest_vram: "",
+};
+
+/**
+ * Validate nvidia and cuda for linux and windows
+ */
+async function updateNvidiaDriverInfo(): Promise<void> {
+  exec(
+    "nvidia-smi --query-gpu=driver_version --format=csv,noheader",
+    (error, stdout) => {
+      let data;
+      try {
+        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
+      } catch (error) {
+        data = DEFALT_SETTINGS;
+      }
+
+      if (!error) {
+        const firstLine = stdout.split("\n")[0].trim();
+        data["nvidia_driver"].exist = true;
+        data["nvidia_driver"].version = firstLine;
+      } else {
+        data["nvidia_driver"].exist = false;
+      }
+
+      writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
+      Promise.resolve();
+    }
+  );
+}
+
+function checkFileExistenceInPaths(file: string, paths: string[]): boolean {
+  return paths.some((p) => existsSync(path.join(p, file)));
+}
+
+function updateCudaExistence() {
+  let filesCuda12: string[];
+  let filesCuda11: string[];
+  let paths: string[];
+  let cudaVersion: string = "";
+
+  if (process.platform === "win32") {
+    filesCuda12 = ["cublas64_12.dll", "cudart64_12.dll", "cublasLt64_12.dll"];
+    filesCuda11 = ["cublas64_11.dll", "cudart64_11.dll", "cublasLt64_11.dll"];
+    paths = process.env.PATH ? process.env.PATH.split(path.delimiter) : [];
+  } else {
+    filesCuda12 = ["libcudart.so.12", "libcublas.so.12", "libcublasLt.so.12"];
+    filesCuda11 = ["libcudart.so.11.0", "libcublas.so.11", "libcublasLt.so.11"];
+    paths = process.env.LD_LIBRARY_PATH
+      ? process.env.LD_LIBRARY_PATH.split(path.delimiter)
+      : [];
+    paths.push("/usr/lib/x86_64-linux-gnu/");
+  }
+
+  let cudaExists = filesCuda12.every(
+    (file) => existsSync(file) || checkFileExistenceInPaths(file, paths)
+  );
+
+  if (!cudaExists) {
+    cudaExists = filesCuda11.every(
+      (file) => existsSync(file) || checkFileExistenceInPaths(file, paths)
+    );
+    if (cudaExists) {
+      cudaVersion = "11";
+    }
+  } else {
+    cudaVersion = "12";
+  }
+
+  let data;
+  try {
+    data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
+  } catch (error) {
+    data = DEFALT_SETTINGS;
+  }
+
+  data["cuda"].exist = cudaExists;
+  data["cuda"].version = cudaVersion;
+  if (cudaExists) {
+    data.run_mode = "gpu";
+  }
+  writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
+}
+
+async function updateGpuInfo(): Promise<void> {
+  exec(
+    "nvidia-smi --query-gpu=index,memory.total --format=csv,noheader,nounits",
+    (error, stdout) => {
+      let data;
+      try {
+        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
+      } catch (error) {
+        data = DEFALT_SETTINGS;
+      }
+
+      if (!error) {
+        // Get GPU info and gpu has higher memory first
+        let highestVram = 0;
+        let highestVramId = "0";
+        let gpus = stdout
+          .trim()
+          .split("\n")
+          .map((line) => {
+            let [id, vram] = line.split(", ");
+            vram = vram.replace(/\r/g, "");
+            if (parseFloat(vram) > highestVram) {
+              highestVram = parseFloat(vram);
+              highestVramId = id;
+            }
+            return { id, vram };
+          });
+
+        data["gpus"] = gpus;
+        data["gpu_highest_vram"] = highestVramId;
+      } else {
+        data["gpus"] = [];
+      }
+
+      writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
+      Promise.resolve();
+    }
+  );
+}

extensions/inference-nitro-extension/src/index.ts

@@ -21,6 +21,7 @@ import {
   Model,
   joinPath,
   InferenceExtension,
+  log,
 } from "@janhq/core";
 import { requestInference } from "./helpers/sse";
 import { ulid } from "ulid";
@@ -270,6 +271,7 @@ export default class JanInferenceNitroExtension implements InferenceExtension {
         }
         message.status = MessageStatus.Error;
         events.emit(EventName.OnMessageUpdate, message);
+        log(`[APP]::Error: ${err.message}`);
       },
     });
   }

extensions/inference-nitro-extension/src/module.ts

@@ -1,18 +1,17 @@
 const fs = require("fs");
-const fsPromises = fs.promises;
 const path = require("path");
 const { exec, spawn } = require("child_process");
 const tcpPortUsed = require("tcp-port-used");
 const fetchRetry = require("fetch-retry")(global.fetch);
 const osUtils = require("os-utils");
 const { readFileSync, writeFileSync, existsSync } = require("fs");
+const { log } = require("@janhq/core/node");
 
 // The PORT to use for the Nitro subprocess
 const PORT = 3928;
 const LOCAL_HOST = "127.0.0.1";
 const NITRO_HTTP_SERVER_URL = `http://${LOCAL_HOST}:${PORT}`;
 const NITRO_HTTP_LOAD_MODEL_URL = `${NITRO_HTTP_SERVER_URL}/inferences/llamacpp/loadmodel`;
-const NITRO_HTTP_UNLOAD_MODEL_URL = `${NITRO_HTTP_SERVER_URL}/inferences/llamacpp/unloadModel`;
 const NITRO_HTTP_VALIDATE_MODEL_URL = `${NITRO_HTTP_SERVER_URL}/inferences/llamacpp/modelstatus`;
 const NITRO_HTTP_KILL_URL = `${NITRO_HTTP_SERVER_URL}/processmanager/destroy`;
 const SUPPORTED_MODEL_FORMAT = ".gguf";
@@ -23,21 +22,6 @@ const NVIDIA_INFO_FILE = path.join(
   "settings.json"
 );
 
-const DEFALT_SETTINGS = {
-  notify: true,
-  run_mode: "cpu",
-  nvidia_driver: {
-    exist: false,
-    version: "",
-  },
-  cuda: {
-    exist: false,
-    version: "",
-  },
-  gpus: [],
-  gpu_highest_vram: "",
-};
-
 // The subprocess instance for Nitro
 let subprocess = undefined;
 let currentModelFile: string = undefined;
@@ -54,137 +38,6 @@ function stopModel(): Promise<void> {
   return killSubprocess();
 }
 
-/**
- * Validate nvidia and cuda for linux and windows
- */
-async function updateNvidiaDriverInfo(): Promise<void> {
-  exec(
-    "nvidia-smi --query-gpu=driver_version --format=csv,noheader",
-    (error, stdout) => {
-      let data;
-      try {
-        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
-      } catch (error) {
-        data = DEFALT_SETTINGS;
-      }
-
-      if (!error) {
-        const firstLine = stdout.split("\n")[0].trim();
-        data["nvidia_driver"].exist = true;
-        data["nvidia_driver"].version = firstLine;
-      } else {
-        data["nvidia_driver"].exist = false;
-      }
-
-      writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
-      Promise.resolve();
-    }
-  );
-}
-
-function isExists(file: string, paths: string[]): boolean {
-  return paths.some((p) => existsSync(path.join(p, file)));
-}
-
-function updateCudaExistence() {
-  let filesCuda12: string[];
-  let filesCuda11: string[];
-  let paths: string[];
-  let cudaVersion: string = "";
-
-  if (process.platform === "win32") {
-    filesCuda12 = ["cublas64_12.dll", "cudart64_12.dll", "cublasLt64_12.dll"];
-    filesCuda11 = ["cublas64_11.dll", "cudart64_11.dll", "cublasLt64_11.dll"];
-    paths = process.env.PATH ? process.env.PATH.split(path.delimiter) : [];
-  } else {
-    filesCuda12 = ["libcudart.so.12", "libcublas.so.12", "libcublasLt.so.12"];
-    filesCuda11 = ["libcudart.so.11.0", "libcublas.so.11", "libcublasLt.so.11"];
-    paths = process.env.LD_LIBRARY_PATH
-      ? process.env.LD_LIBRARY_PATH.split(path.delimiter)
-      : [];
-    paths.push("/usr/lib/x86_64-linux-gnu/");
-  }
-
-  let cudaExists = filesCuda12.every(
-    (file) => existsSync(file) || isExists(file, paths)
-  );
-
-  if (!cudaExists) {
-    cudaExists = filesCuda11.every(
-      (file) => existsSync(file) || isExists(file, paths)
-    );
-    if (cudaExists) {
-      cudaVersion = "11";
-    }
-  } else {
-    cudaVersion = "12";
-  }
-
-  let data;
-  try {
-    data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
-  } catch (error) {
-    data = DEFALT_SETTINGS;
-  }
-
-  data["cuda"].exist = cudaExists;
-  data["cuda"].version = cudaVersion;
-  if (cudaExists) {
-    data.run_mode = "gpu";
-  }
-  writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
-}
-
-async function updateGpuInfo(): Promise<void> {
-  exec(
-    "nvidia-smi --query-gpu=index,memory.total --format=csv,noheader,nounits",
-    (error, stdout) => {
-      let data;
-      try {
-        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
-      } catch (error) {
-        data = DEFALT_SETTINGS;
-      }
-
-      if (!error) {
-        // Get GPU info and gpu has higher memory first
-        let highestVram = 0;
-        let highestVramId = "0";
-        let gpus = stdout
-          .trim()
-          .split("\n")
-          .map((line) => {
-            let [id, vram] = line.split(", ");
-            vram = vram.replace(/\r/g, "");
-            if (parseFloat(vram) > highestVram) {
-              highestVram = parseFloat(vram);
-              highestVramId = id;
-            }
-            return { id, vram };
-          });
-
-        data["gpus"] = gpus;
-        data["gpu_highest_vram"] = highestVramId;
-      } else {
-        data["gpus"] = [];
-      }
-
-      writeFileSync(NVIDIA_INFO_FILE, JSON.stringify(data, null, 2));
-      Promise.resolve();
-    }
-  );
-}
-
-async function updateNvidiaInfo() {
-  if (process.platform !== "darwin") {
-    await Promise.all([
-      updateNvidiaDriverInfo(),
-      updateCudaExistence(),
-      updateGpuInfo(),
-    ]);
-  }
-}
-
 /**
  * Initializes a Nitro subprocess to load a machine learning model.
  * @param wrapper - The model wrapper.
@@ -238,31 +91,28 @@ async function initModel(wrapper: any): Promise<ModelOperationResponse> {
 async function loadModel(nitroResourceProbe: any | undefined) {
   // Gather system information for CPU physical cores and memory
   if (!nitroResourceProbe) nitroResourceProbe = await getResourcesInfo();
-  return (
+  return killSubprocess()
-    killSubprocess()
+    .then(() => tcpPortUsed.waitUntilFree(PORT, 300, 5000))
-      .then(() => tcpPortUsed.waitUntilFree(PORT, 300, 5000))
+    .then(() => {
-      // wait for 500ms to make sure the port is free for windows platform
+      /**
-      .then(() => {
+       * There is a problem with Windows process manager
-        if (process.platform === "win32") {
+       * Should wait for awhile to make sure the port is free and subprocess is killed
-          return sleep(500);
+       * The tested threshold is 500ms
-        } else {
+       **/
-          return sleep(0);
+      if (process.platform === "win32") {
-        }
+        return new Promise((resolve) => setTimeout(resolve, 500));
-      })
+      } else {
-      .then(() => spawnNitroProcess(nitroResourceProbe))
+        return Promise.resolve();
-      .then(() => loadLLMModel(currentSettings))
+      }
-      .then(validateModelStatus)
+    })
-      .catch((err) => {
+    .then(() => spawnNitroProcess(nitroResourceProbe))
-        console.error("error: ", err);
+    .then(() => loadLLMModel(currentSettings))
-        // TODO: Broadcast error so app could display proper error message
+    .then(validateModelStatus)
-        return { error: err, currentModelFile };
+    .catch((err) => {
-      })
+      log(`[NITRO]::Error: ${err}`);
-  );
+      // TODO: Broadcast error so app could display proper error message
-}
+      return { error: err, currentModelFile };
-
+    });
-// Add function sleep
-function sleep(ms) {
-  return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
 function promptTemplateConverter(promptTemplate) {
@@ -312,6 +162,7 @@ function promptTemplateConverter(promptTemplate) {
  * @returns A Promise that resolves when the model is loaded successfully, or rejects with an error message if the model is not found or fails to load.
  */
 function loadLLMModel(settings): Promise<Response> {
+  log(`[NITRO]::Debug: Loading model with params ${settings}`);
   return fetchRetry(NITRO_HTTP_LOAD_MODEL_URL, {
     method: "POST",
     headers: {
@@ -320,6 +171,8 @@ function loadLLMModel(settings): Promise<Response> {
     body: JSON.stringify(settings),
     retries: 3,
     retryDelay: 500,
+  }).catch((err) => {
+    log(`[NITRO]::Error: Load model failed with error ${err}`);
   });
 }
 
@@ -360,7 +213,8 @@ async function validateModelStatus(): Promise<ModelOperationResponse> {
 async function killSubprocess(): Promise<void> {
   const controller = new AbortController();
   setTimeout(() => controller.abort(), 5000);
-  console.debug("Start requesting to kill Nitro...");
+  log(`[NITRO]::Debug: Request to kill Nitro`);
+
   return fetch(NITRO_HTTP_KILL_URL, {
     method: "DELETE",
     signal: controller.signal,
@@ -371,20 +225,17 @@ async function killSubprocess(): Promise<void> {
     })
     .catch(() => {})
     .then(() => tcpPortUsed.waitUntilFree(PORT, 300, 5000))
-    .then(() => console.debug("Nitro is killed"));
+    .then(() => log(`[NITRO]::Debug: Nitro process is terminated`));
 }
-/**
+
- * Look for the Nitro binary and execute it
- * Using child-process to spawn the process
- * Should run exactly platform specified Nitro binary version
- */
 /**
  * Spawns a Nitro subprocess.
  * @param nitroResourceProbe - The Nitro resource probe.
  * @returns A promise that resolves when the Nitro subprocess is started.
  */
 function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
-  console.debug("Starting Nitro subprocess...");
+  log(`[NITRO]::Debug: Spawning Nitro subprocess...`);
+
   return new Promise(async (resolve, reject) => {
     let binaryFolder = path.join(__dirname, "bin"); // Current directory by default
     let cudaVisibleDevices = "";
@@ -426,7 +277,7 @@ function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
 
     const binaryPath = path.join(binaryFolder, binaryName);
     // Execute the binary
-    subprocess = spawn(binaryPath, [1, LOCAL_HOST, PORT], {
+    subprocess = spawn(binaryPath, ["1", LOCAL_HOST, PORT.toString()], {
       cwd: binaryFolder,
       env: {
         ...process.env,
@@ -436,16 +287,15 @@ function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
 
     // Handle subprocess output
     subprocess.stdout.on("data", (data) => {
-      console.debug(`stdout: ${data}`);
+      log(`[NITRO]::Debug: ${data}`);
     });
 
     subprocess.stderr.on("data", (data) => {
-      console.error("subprocess error:" + data.toString());
+      log(`[NITRO]::Error: ${data}`);
-      console.error(`stderr: ${data}`);
     });
 
     subprocess.on("close", (code) => {
-      console.debug(`child process exited with code ${code}`);
+      log(`[NITRO]::Debug: Nitro exited with code: ${code}`);
       subprocess = null;
       reject(`child process exited with code ${code}`);
     });
@@ -463,7 +313,7 @@ function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
 function getResourcesInfo(): Promise<ResourcesInfo> {
   return new Promise(async (resolve) => {
     const cpu = await osUtils.cpuCount();
-    console.debug("cpu: ", cpu);
+    log(`[NITRO]::CPU informations - ${cpu}`);
     const response: ResourcesInfo = {
       numCpuPhysicalCore: cpu,
       memAvailable: 0,
@@ -472,6 +322,23 @@ function getResourcesInfo(): Promise<ResourcesInfo> {
   });
 }
 
+/**
+ * This will retrive GPU informations and persist settings.json
+ * Will be called when the extension is loaded to turn on GPU acceleration if supported
+ */
+async function updateNvidiaInfo() {
+  if (process.platform !== "darwin") {
+    await Promise.all([
+      updateNvidiaDriverInfo(),
+      updateCudaExistence(),
+      updateGpuInfo(),
+    ]);
+  }
+}
+
+/**
+ * Retrieve current nitro process
+ */
 const getCurrentNitroProcessInfo = (): Promise<any> => {
   nitroProcessInfo = {
     isRunning: subprocess != null,
@@ -479,6 +346,11 @@ const getCurrentNitroProcessInfo = (): Promise<any> => {
   return nitroProcessInfo;
 };
 
+/**
+ * Every module should have a dispose function
+ * This will be called when the extension is unloaded and should clean up any resources
+ * Also called when app is closed
+ */
 function dispose() {
   // clean other registered resources here
   killSubprocess();

extensions/inference-nitro-extension/webpack.config.js

@@ -22,6 +22,7 @@ module.exports = {
         process.env.INFERENCE_URL ||
           "http://127.0.0.1:3928/inferences/llamacpp/chat_completion"
       ),
+      TROUBLESHOOTING_URL: JSON.stringify("https://jan.ai/guides/troubleshooting")
     }),
   ],
   output: {

extensions/model-extension/src/index.ts

@@ -5,7 +5,6 @@ import {
   abortDownload,
   getResourcePath,
   getUserSpace,
-  fileStat,
   InferenceEngine,
   joinPath,
   ModelExtension,
@@ -281,7 +280,7 @@ export default class JanModelExtension implements ModelExtension {
       if (file.endsWith('.json')) continue
 
       const path = await joinPath([JanModelExtension._homeDir, dirName, file])
-      const fileStats = await fileStat(path)
+      const fileStats = await fs.fileStat(path)
       if (fileStats.isDirectory) continue
       binaryFileSize = fileStats.size
       binaryFileName = file

server/index.ts

@@ -9,12 +9,13 @@ dotenv.config();
 
 const JAN_API_HOST = process.env.JAN_API_HOST || "127.0.0.1";
 const JAN_API_PORT = Number.parseInt(process.env.JAN_API_PORT || "1337");
-const serverLogPath = path.join(os.homedir(), "jan", "server.log");
+const serverLogPath = path.join(os.homedir(), "jan", "logs", "server.log");
 
 let server: any | undefined = undefined;
 
 export const startServer = async (schemaPath?: string, baseDir?: string) => {
   try {
+    log(`[API]::Debug: Starting JAN API server...`, "server.log")
     server = fastify({
       logger: {
         level: "info",
@@ -62,17 +63,18 @@ export const startServer = async (schemaPath?: string, baseDir?: string) => {
         host: JAN_API_HOST,
       })
       .then(() => {
-        log(`JAN API listening at: http://${JAN_API_HOST}:${JAN_API_PORT}`);
+        log(`[API]::Debug: JAN API listening at: http://${JAN_API_HOST}:${JAN_API_PORT}`);
       });
   } catch (e) {
-    log(e);
+    log(`[API]::Error: ${e}`);
   }
 };
 
 export const stopServer = async () => {
   try {
+    log(`[API]::Debug: Server stopped`, "server.log")
     await server.close();
   } catch (e) {
-    log(e);
+    log(`[API]::Error: ${e}`);
   }
 };

web/screens/Settings/Advanced/index.tsx

@@ -3,6 +3,7 @@
 
 import { useContext, useEffect, useState } from 'react'
 
+import { fs } from '@janhq/core'
 import {
   Switch,
   Button,
@@ -20,6 +21,7 @@ import ShortCut from '@/containers/Shortcut'
 import { FeatureToggleContext } from '@/context/FeatureToggle'
 
 import { useSettings } from '@/hooks/useSettings'
+import { toaster } from '@/containers/Toast'
 
 const serverEnabledAtom = atom<boolean>(false)
 
@@ -37,6 +39,16 @@ const Advanced = () => {
     })
   }, [])
 
+  const clearLogs = async () => {
+    if (await fs.existsSync(`file://logs`)) {
+      await fs.rmdirSync(`file://logs`, { recursive: true })
+    }
+    toaster({
+      title: 'Logs cleared',
+      description: 'All logs have been cleared.',
+    })
+  }
+
   return (
     <div className="block w-full">
       {/* CPU / GPU switching */}
@@ -137,6 +149,19 @@ const Advanced = () => {
           </Button>
         </div>
       )}
+      <div className="flex w-full items-start justify-between border-b border-border py-4 first:pt-0 last:border-none">
+        <div className="w-4/5 flex-shrink-0 space-y-1.5">
+          <div className="flex gap-x-2">
+            <h6 className="text-sm font-semibold capitalize">Clear logs</h6>
+          </div>
+          <p className="whitespace-pre-wrap leading-relaxed">
+            Clear all logs from Jan app.
+          </p>
+        </div>
+        <Button size="sm" themes="secondary" onClick={clearLogs}>
+          Clear
+        </Button>
+      </div>
       <div className="flex w-full items-start justify-between border-b border-border py-4 first:pt-0 last:border-none">
         <div className="w-4/5 flex-shrink-0 space-y-1.5">
           <div className="flex gap-x-2">