remade directory wathcer

This commit is contained in:
andrei-mihnea-cerbu
2025-02-04 21:37:48 +02:00
parent 0f37544668
commit 5a6fa296be
5 changed files with 62 additions and 72 deletions
+54 -60
View File
@@ -1,20 +1,31 @@
import { promises as fs, watch, FSWatcher } from 'fs'
import { promises as fs } from 'fs'
import path from 'path'
import { Database } from '../database/database'
export class DirectoryWatcher {
private readonly watchers: Map<string, FSWatcher> // Stores watchers with directory ID as the key
private readonly db: Database
private totalSizes: Map<string, number> // Stores total sizes per directory ID
private intervalId: NodeJS.Timeout | null = null
constructor(pathToDatabaseFile: string) {
this.db = new Database(pathToDatabaseFile)
this.watchers = new Map<string, FSWatcher>()
this.totalSizes = new Map<string, number>()
}
// Start the watcher and register all directories
async start(): Promise<void> {
// Start scanning directories at a fixed interval
async start(scanInterval: number = 10000): Promise<void> {
if (this.intervalId) {
this.log('Directory watcher is already running.', 'error')
return
}
this.intervalId = setInterval(async () => {
await this.scanDirectories()
}, scanInterval)
this.log('Directory scanning started successfully.')
}
// Scan all directories from the database
private async scanDirectories(): Promise<void> {
const dbData = await this.db.read()
const directorySchemes = dbData.local_resources?.directory_schemes
@@ -23,59 +34,52 @@ export class DirectoryWatcher {
return
}
// Initialize watchers for each directory
this.registerWatcher(directorySchemes.backup?.id, directorySchemes.backup?.path)
this.registerWatcher(directorySchemes.department?.id, directorySchemes.department?.path)
this.registerWatcher(directorySchemes.shared?.id, directorySchemes.shared?.path)
this.log('Directory watcher started successfully.')
// Scan each directory if it exists
await this.scanDirectory('backup', directorySchemes.backup?.path)
await this.scanDirectory('department', directorySchemes.department?.path)
await this.scanDirectory('shared', directorySchemes.shared?.path)
}
// Register a watcher for a directory with a given ID
private registerWatcher(id: string | undefined, directoryPath: string | undefined): void {
if (!id || !directoryPath) {
this.log(`Skipping watcher: ID or path is missing.`, 'error')
// Scan a specific directory and update the database
private async scanDirectory(id: string, directoryPath: string | undefined): Promise<void> {
if (!directoryPath) {
this.log(`Skipping scan: No path provided for ${id}.`, 'error')
return
}
if (this.watchers.has(id)) {
this.log(`Watcher for ID ${id} is already running.`, 'error')
try {
// Check if directory exists
await fs.access(directoryPath)
} catch {
this.log(`Skipping scan: Directory ${directoryPath} does not exist.`, 'error')
return
}
// Create and store a new watcher
const watcher = watch(directoryPath, { recursive: true }, async (eventType, filename) => {
if (filename) {
this.log(`File change detected in ${directoryPath}: ${eventType} - ${filename}`)
await this.handleDirectoryChange(id, directoryPath)
}
})
this.watchers.set(id, watcher)
this.log(`Watching directory: ${directoryPath} (ID: ${id})`)
}
// Handle directory change and update the correct entry in the database
private async handleDirectoryChange(id: string, directoryPath: string): Promise<void> {
// If exists, build its structure
const result = await this.buildDirectoryScheme(directoryPath)
this.totalSizes.set(id, result.size)
await this.db.update((data) => {
// @ts-ignore
if (!data.local_resources || !data.local_resources.directory_schemes[id]) {
this.log(`Error: Directory scheme for ID ${id} not found in database.`, 'error')
return data
switch (id) {
case 'backup':
data.local_resources.directory_schemes.backup.structure = result.structure
data.local_resources.directory_schemes.backup.totalSize = result.size
break
case 'department':
data.local_resources.directory_schemes.department.structure = result.structure
data.local_resources.directory_schemes.department.totalSize = result.size
break
case 'shared':
data.local_resources.directory_schemes.shared.structure = result.structure
data.local_resources.directory_schemes.shared.totalSize = result.size
break
default:
break
}
// @ts-ignore
data.local_resources.directory_schemes[id].structure = result.structure
// @ts-ignore
data.local_resources.directory_schemes[id].totalSize = result.size
return data
})
this.log(`Updated directory scheme for ID: ${id}`)
this.log(`Scanned and updated directory: ${directoryPath} (ID: ${id})`)
}
// Recursively build the directory structure and calculate total size
@@ -102,25 +106,15 @@ export class DirectoryWatcher {
return { structure: directoryScheme, size: totalSize }
}
// Stop and remove a watcher for a specific directory ID
public stopWatcher(id: string): void {
const watcher = this.watchers.get(id)
if (watcher) {
watcher.close()
this.watchers.delete(id)
this.log(`Stopped watcher for ID: ${id}`)
// Stop directory scanning
public stop(): void {
if (this.intervalId) {
clearInterval(this.intervalId)
this.intervalId = null
this.log('Stopped directory scanning.')
}
}
// Stop all watchers
public stopAllWatchers(): void {
for (const [id, watcher] of this.watchers) {
watcher.close()
this.log(`Stopped watcher for ID: ${id}`)
}
this.watchers.clear()
}
// Unified logging function
private log(message: string, level: 'log' | 'error' = 'log'): void {
const sourcePrefix = `[DirectoryWatcher]`
-8
View File
@@ -4,7 +4,6 @@ import { promises as fs } from 'fs'
import dotenv from 'dotenv'
import { WorkerManager } from '../helpers/worker_manager'
import { DirectoryWatcher } from '../helpers/directory_watcher'
import { WindowManager } from '../helpers/window_manager'
import os from 'os'
@@ -21,7 +20,6 @@ let mainWindow: BrowserWindow | null = null
let windowManager: WindowManager | null = null
let db: Database | null = null
let workerManager: WorkerManager | null = null
let directoryWatcher: DirectoryWatcher | null = null
let announcementWatcher: NodeJS.Timeout | null = null
let resetApplicationWatcher: NodeJS.Timeout | null = null
@@ -37,12 +35,6 @@ async function cleanupAndExit() {
workerManager.closeAllWorkers()
}
// Close watchers
if (directoryWatcher) {
console.log('Stopping backup directory watcher...')
directoryWatcher.stopAllWatchers() // Add this method to DirectoryWatcher to close the watcher
}
if (workerManager) {
console.log('Terminating all workers...')
workerManager.closeAllWorkers()
+4 -1
View File
@@ -73,7 +73,10 @@ export class UdpClient {
}
// Send heartbeat to an IP
private async sendHeartbeat(ip: string, heartbeatCode: string): Promise<{ found: boolean, data?: any }> {
private async sendHeartbeat(
ip: string,
heartbeatCode: string,
): Promise<{ found: boolean; data?: any }> {
return new Promise((resolve) => {
const heartbeatMessage = MessageHandler.formatMessage(heartbeatCode)
@@ -27,7 +27,7 @@ process.on('SIGINT', async () => {
})
async function cleanupAndExit() {
watcher.stopAllWatchers()
watcher.stop()
console.log('Cleanup complete. Exiting.')
process.exit(0) // Exit with code 0 to indicate a clean exit