55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
const net = require('net')
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const DEFAULT_SERVER_PORT = 3001
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const DEFAULT_UI_PORT = 3000
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function isPortAvailable(port, host = '127.0.0.1') {
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return new Promise((resolve) => {
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const server = net.createServer()
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server.once('error', () => {
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resolve(false)
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})
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server.once('listening', () => {
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server.close()
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resolve(true)
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})
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server.listen(port, host)
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})
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}
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function findAvailablePort(startPort, maxAttempts = 50, host = '127.0.0.1') {
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for (let port = startPort; port < startPort + maxAttempts; port++) {
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try {
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const available = await isPortAvailable(port, host)
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if (available) {
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return port
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}
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} catch (error) {
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console.error(`Error checking port ${port}:`, error.message)
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}
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}
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return 0
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}
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async function main() {
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const args = process.argv.slice(2)
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const mode = args[0]
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if (mode === 'server') {
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const port = await findAvailablePort(DEFAULT_SERVER_PORT)
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console.log(port)
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} else if (mode === 'ui') {
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const port = await findAvailablePort(DEFAULT_UI_PORT)
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console.log(port)
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} else {
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const serverPort = await findAvailablePort(DEFAULT_SERVER_PORT)
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const uiPort = await findAvailablePort(DEFAULT_UI_PORT)
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console.log(`${serverPort},${uiPort}`)
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}
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}
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main().catch(error => {
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console.error('Error:', error.message)
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process.exit(1)
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})
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