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import { exec } from 'child_process'
import { promisify } from 'util'
import { Env_get_required } from './env'
const execAsync = promisify(exec)
// Cache for 10 seconds
let cacheTimestamp = 0
let cachedData: StorageData | null = null
export interface StorageData {
activeDriveUsage: number
totalDiskCapacity: number
totalDiskUsed: number
availableDisk: number
}
export async function fetchStorageData(): Promise<StorageData> {
const now = Date.now()
// Return cached data if less than 10 seconds old
if (cachedData && now - cacheTimestamp < 10000) {
return cachedData
}
try {
// Get active drive usage in bytes
const { stdout: driveSize } = await execAsync('fctdrive drive-size')
const activeDriveUsage = parseInt(driveSize.trim()) || 0
// Get disk usage in bytes
const fctdrivePath = Env_get_required('FCTDRIVE_PATH')
const { stdout: dfOutput } = await execAsync(`df -B1 "${fctdrivePath}"`)
// Parse df output - second line contains the data
const lines = dfOutput.trim().split('\n')
const dataLine = lines[1] // Skip header line
const columns = dataLine.split(/\s+/)
const totalDiskCapacity = parseInt(columns[1]) || 0
const totalDiskUsed = parseInt(columns[2]) || 0
const availableDisk = parseInt(columns[3]) || 0
const data: StorageData = {
activeDriveUsage,
totalDiskCapacity,
totalDiskUsed,
availableDisk
}
// Update cache
cachedData = data
cacheTimestamp = now
return data
} catch (error) {
console.error('Failed to fetch storage data:', error)
// Return zeros on error as requested
return {
activeDriveUsage: 0,
totalDiskCapacity: 0,
totalDiskUsed: 0,
availableDisk: 0
}
}
}
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