270 lines
8.2 KiB
TypeScript
270 lines
8.2 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server'
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import { prisma } from '@/lib/prisma'
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import { storeFile } from '@/lib/fileStorage'
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import { push } from '@/lib/push'
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import { withCors } from '@/lib/middleware'
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import ffmpeg from 'fluent-ffmpeg'
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import { writeFileSync, unlinkSync, mkdtempSync, readFileSync, rmSync } from 'fs'
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import { tmpdir } from 'os'
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import { join } from 'path'
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interface WindowInfo {
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title: string
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path: string
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memory: number
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}
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const timeoutMap = new Map<string, NodeJS.Timeout>()
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async function handleScreenshotUpload(req: NextRequest) {
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try {
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const pathSegments = req.nextUrl.pathname.split('/')
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const hostnameIndex = pathSegments.indexOf('hosts') + 1
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const hostname = pathSegments[hostnameIndex]
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if (!hostname) {
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return NextResponse.json({ error: '缺少主机名' }, { status: 400 })
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}
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const formData = await req.formData()
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const files: File[] = []
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const windowsInfo: WindowInfo[] = JSON.parse(formData.get('windows_info') as string || '[]')
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// Extract files from formData
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for (const [key, value] of formData.entries()) {
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if (key.startsWith('screenshot_') && value instanceof File) {
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files.push(value)
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}
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}
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if (files.length === 0) {
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return NextResponse.json({ error: '没有收到文件' }, { status: 400 })
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}
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// Process screenshots
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const processingStartTime = Date.now()
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console.log(`[${hostname}] 开始处理 ${files.length} 张截图`)
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const screenshots = await Promise.all(files.map(async (file, index) => {
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const imageStartTime = Date.now()
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// Convert image to AV1 format using FFmpeg
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const buffer = Buffer.from(await file.arrayBuffer())
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const originalSize = buffer.length
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// Create temporary files
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const tempDir = mkdtempSync(join(tmpdir(), 'ffmpeg-'))
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const inputPath = join(tempDir, `input_${index}.png`)
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const outputPath = join(tempDir, `output_${index}.avif`)
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try {
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// Write input file
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writeFileSync(inputPath, buffer)
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const conversionStartTime = Date.now()
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// Convert using FFmpeg with libsvtav1
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await new Promise<void>((resolve, reject) => {
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ffmpeg(inputPath)
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.videoCodec('libsvtav1')
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.outputOptions([
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'-crf 30', // 质量控制，值越小质量越好
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'-preset 6', // 编码速度预设，0-12，值越大速度越快但质量可能下降
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'-pix_fmt yuv420p' // 像素格式
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])
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.output(outputPath)
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.on('end', () => resolve())
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.on('error', (err) => reject(err))
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.run()
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})
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const conversionTime = Date.now() - conversionStartTime
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// Read the converted file
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const avifBuffer = readFileSync(outputPath)
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const filename = `${hostname}-${Date.now()}-${Math.round(Math.random() * 1E9)}.avif`
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const storageStartTime = Date.now()
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const storedFile = await storeFile(avifBuffer, filename, 'image/avif', 'screenshot', hostname)
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const storageTime = Date.now() - storageStartTime
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const totalImageTime = Date.now() - imageStartTime
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const compressionRatio = ((originalSize - avifBuffer.length) / originalSize * 100).toFixed(2)
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console.log(`[${hostname}] 图片 ${index + 1}: FFmpeg转换 ${conversionTime}ms, 存储 ${storageTime}ms, 总计 ${totalImageTime}ms, 压缩率 ${compressionRatio}% (${originalSize} -> ${avifBuffer.length} bytes)`)
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return {
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fileId: storedFile.id,
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objectName: storedFile.objectName,
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filename: storedFile.filename,
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contentType: storedFile.contentType,
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fileSize: storedFile.size,
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monitorName: formData.get(`monitor_name_${index}`) as string || `Monitor ${index + 1}`
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}
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} finally {
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// Clean up temporary files
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try {
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rmSync(tempDir, { recursive: true, force: true })
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} catch (err) {
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console.warn(`清理临时文件失败: ${err}`)
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}
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}
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}))
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const totalProcessingTime = Date.now() - processingStartTime
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console.log(`[${hostname}] 完成处理 ${files.length} 张截图，总耗时 ${totalProcessingTime}ms，平均每张 ${(totalProcessingTime / files.length).toFixed(2)}ms`)
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// Ensure host exists first
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await prisma.host.upsert({
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where: { hostname },
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update: {},
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create: { hostname }
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})
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// Create new record
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const newRecord = await prisma.record.create({
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data: {
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hostname,
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timestamp: new Date(),
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windows: {
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create: windowsInfo
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},
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screenshots: {
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create: screenshots
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}
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}
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})
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// Handle host status and notifications
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const host = await prisma.host.findUnique({
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where: { hostname },
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select: { lastUpdate: true }
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})
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const lastUpdate = host?.lastUpdate || new Date(0)
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if (lastUpdate.getTime() === new Date(0).getTime()) {
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push(`新设备 ${decodeURI(hostname)} 上线`)
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} else if (lastUpdate.getTime() < new Date().getTime() - 1000 * 60) {
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push(`设备 ${decodeURI(hostname)} 上线`)
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}
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// Clear existing timeout and set new one
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if (timeoutMap.has(hostname)) {
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clearTimeout(timeoutMap.get(hostname)!)
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}
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timeoutMap.set(hostname, setTimeout(() => {
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push(`设备 ${decodeURI(hostname)} 离线`)
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timeoutMap.delete(hostname)
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}, 1000 * 60))
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// Update host last update time
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await prisma.host.upsert({
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where: { hostname },
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update: { lastUpdate: new Date() },
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create: { hostname, lastUpdate: new Date() }
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})
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return NextResponse.json({
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message: '上传成功',
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hostname,
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filesCount: files.length,
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windowsCount: windowsInfo.length
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})
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} catch (error) {
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console.error('上传失败:', error)
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return NextResponse.json({ error: '上传失败' }, { status: 500 })
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}
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}
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async function handleGetScreenshots(req: NextRequest) {
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try {
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const pathSegments = req.nextUrl.pathname.split('/')
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const hostnameIndex = pathSegments.indexOf('hosts') + 1
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const hostname = pathSegments[hostnameIndex]
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if (!hostname) {
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return NextResponse.json({ error: '缺少主机名' }, { status: 400 })
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}
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const { searchParams } = req.nextUrl
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const startTimeParam = searchParams.get('startTime')
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const endTimeParam = searchParams.get('endTime')
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let startTime: Date | undefined
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let endTime: Date | undefined
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if (startTimeParam) {
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const timestamp = isNaN(Number(startTimeParam)) ?
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new Date(startTimeParam) :
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new Date(Number(startTimeParam) * 1000)
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startTime = timestamp
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}
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if (endTimeParam) {
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const timestamp = isNaN(Number(endTimeParam)) ?
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new Date(endTimeParam) :
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new Date(Number(endTimeParam) * 1000)
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endTime = timestamp
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}
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// Build query conditions
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const whereClause: any = { hostname }
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if (startTime || endTime) {
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whereClause.timestamp = {}
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if (startTime) whereClause.timestamp.gte = startTime
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if (endTime) whereClause.timestamp.lte = endTime
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}
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// Get records
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const records = await prisma.record.findMany({
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where: whereClause,
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include: {
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windows: true,
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screenshots: true
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},
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orderBy: {
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timestamp: 'desc'
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}
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})
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// Get host info
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const host = await prisma.host.findUnique({
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where: { hostname },
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select: {
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hostname: true,
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lastUpdate: true
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}
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})
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if (!host) {
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return NextResponse.json({ error: '未找到主机记录' }, { status: 404 })
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}
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// Convert BigInt to string in windows.memory field
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const serializedRecords = records.map(record => ({
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...record,
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windows: record.windows.map(window => ({
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...window,
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memory: window.memory.toString()
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}))
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}))
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return NextResponse.json({
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hostname,
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lastUpdate: host.lastUpdate,
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records: serializedRecords,
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total: records.length
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})
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} catch (error) {
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console.error('获取记录失败:', error)
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return NextResponse.json({ error: '获取记录失败' }, { status: 500 })
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}
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}
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export const POST = withCors(handleScreenshotUpload)
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export const GET = withCors(handleGetScreenshots)
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