257 lines
11 KiB
JavaScript
257 lines
11 KiB
JavaScript
if (performance.getEntriesByName("next-start").length === 0) {
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performance.mark("next-start");
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}
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import "../next";
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import "../require-hook";
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import fs from "fs";
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import v8 from "v8";
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import path from "path";
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import http from "http";
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import https from "https";
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import os from "os";
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import Watchpack from "next/dist/compiled/watchpack";
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import * as Log from "../../build/output/log";
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import setupDebug from "next/dist/compiled/debug";
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import { RESTART_EXIT_CODE, checkNodeDebugType, getDebugPort } from "./utils";
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import { formatHostname } from "./format-hostname";
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import { initialize } from "./router-server";
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import { CONFIG_FILES } from "../../shared/lib/constants";
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import { getStartServerInfo, logStartInfo } from "./app-info-log";
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import { validateTurboNextConfig } from "../../lib/turbopack-warning";
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import { trace, flushAllTraces } from "../../trace";
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import { isPostpone } from "./router-utils/is-postpone";
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const debug = setupDebug("next:start-server");
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let startServerSpan;
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export async function getRequestHandlers({ dir, port, isDev, server, hostname, minimalMode, isNodeDebugging, keepAliveTimeout, experimentalHttpsServer }) {
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return initialize({
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dir,
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port,
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hostname,
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dev: isDev,
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minimalMode,
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server,
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isNodeDebugging: isNodeDebugging || false,
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keepAliveTimeout,
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experimentalHttpsServer,
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startServerSpan
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});
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}
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export async function startServer(serverOptions) {
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const { dir, isDev, hostname, minimalMode, allowRetry, keepAliveTimeout, selfSignedCertificate } = serverOptions;
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let { port } = serverOptions;
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process.title = `next-server (v${"14.2.13"})`;
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let handlersReady = ()=>{};
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let handlersError = ()=>{};
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let handlersPromise = new Promise((resolve, reject)=>{
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handlersReady = resolve;
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handlersError = reject;
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});
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let requestHandler = async (req, res)=>{
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if (handlersPromise) {
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await handlersPromise;
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return requestHandler(req, res);
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}
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throw new Error("Invariant request handler was not setup");
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};
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let upgradeHandler = async (req, socket, head)=>{
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if (handlersPromise) {
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await handlersPromise;
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return upgradeHandler(req, socket, head);
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}
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throw new Error("Invariant upgrade handler was not setup");
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};
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// setup server listener as fast as possible
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if (selfSignedCertificate && !isDev) {
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throw new Error("Using a self signed certificate is only supported with `next dev`.");
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}
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async function requestListener(req, res) {
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try {
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if (handlersPromise) {
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await handlersPromise;
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handlersPromise = undefined;
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}
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await requestHandler(req, res);
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} catch (err) {
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res.statusCode = 500;
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res.end("Internal Server Error");
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Log.error(`Failed to handle request for ${req.url}`);
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console.error(err);
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} finally{
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if (isDev) {
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if (v8.getHeapStatistics().used_heap_size > 0.8 * v8.getHeapStatistics().heap_size_limit) {
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Log.warn(`Server is approaching the used memory threshold, restarting...`);
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trace("server-restart-close-to-memory-threshold", undefined, {
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"memory.heapSizeLimit": String(v8.getHeapStatistics().heap_size_limit),
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"memory.heapUsed": String(v8.getHeapStatistics().used_heap_size)
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}).stop();
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await flushAllTraces();
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process.exit(RESTART_EXIT_CODE);
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}
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}
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}
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}
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const server = selfSignedCertificate ? https.createServer({
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key: fs.readFileSync(selfSignedCertificate.key),
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cert: fs.readFileSync(selfSignedCertificate.cert)
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}, requestListener) : http.createServer(requestListener);
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if (keepAliveTimeout) {
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server.keepAliveTimeout = keepAliveTimeout;
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}
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server.on("upgrade", async (req, socket, head)=>{
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try {
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await upgradeHandler(req, socket, head);
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} catch (err) {
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socket.destroy();
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Log.error(`Failed to handle request for ${req.url}`);
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console.error(err);
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}
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});
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let portRetryCount = 0;
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server.on("error", (err)=>{
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if (allowRetry && port && isDev && err.code === "EADDRINUSE" && portRetryCount < 10) {
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Log.warn(`Port ${port} is in use, trying ${port + 1} instead.`);
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port += 1;
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portRetryCount += 1;
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server.listen(port, hostname);
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} else {
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Log.error(`Failed to start server`);
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console.error(err);
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process.exit(1);
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}
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});
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const nodeDebugType = checkNodeDebugType();
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await new Promise((resolve)=>{
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server.on("listening", async ()=>{
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const addr = server.address();
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const actualHostname = formatHostname(typeof addr === "object" ? (addr == null ? void 0 : addr.address) || hostname || "localhost" : addr);
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const formattedHostname = !hostname || actualHostname === "0.0.0.0" ? "localhost" : actualHostname === "[::]" ? "[::1]" : formatHostname(hostname);
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port = typeof addr === "object" ? (addr == null ? void 0 : addr.port) || port : port;
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const networkUrl = hostname ? `http://${actualHostname}:${port}` : null;
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const appUrl = `${selfSignedCertificate ? "https" : "http"}://${formattedHostname}:${port}`;
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if (nodeDebugType) {
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const debugPort = getDebugPort();
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Log.info(`the --${nodeDebugType} option was detected, the Next.js router server should be inspected at port ${debugPort}.`);
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}
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// expose the main port to render workers
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process.env.PORT = port + "";
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process.env.__NEXT_PRIVATE_ORIGIN = appUrl;
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// Only load env and config in dev to for logging purposes
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let envInfo;
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let expFeatureInfo;
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if (isDev) {
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const startServerInfo = await getStartServerInfo(dir, isDev);
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envInfo = startServerInfo.envInfo;
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expFeatureInfo = startServerInfo.expFeatureInfo;
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}
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logStartInfo({
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networkUrl,
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appUrl,
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envInfo,
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expFeatureInfo,
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maxExperimentalFeatures: 3
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});
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Log.event(`Starting...`);
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try {
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const cleanup = ()=>{
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debug("start-server process cleanup");
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server.close(()=>process.exit(0));
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};
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const exception = (err)=>{
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if (isPostpone(err)) {
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// React postpones that are unhandled might end up logged here but they're
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// not really errors. They're just part of rendering.
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return;
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}
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// This is the render worker, we keep the process alive
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console.error(err);
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};
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// Make sure commands gracefully respect termination signals (e.g. from Docker)
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// Allow the graceful termination to be manually configurable
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if (!process.env.NEXT_MANUAL_SIG_HANDLE) {
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process.on("SIGINT", cleanup);
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process.on("SIGTERM", cleanup);
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}
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process.on("rejectionHandled", ()=>{
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// It is ok to await a Promise late in Next.js as it allows for better
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// prefetching patterns to avoid waterfalls. We ignore loggining these.
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// We should've already errored in anyway unhandledRejection.
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});
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process.on("uncaughtException", exception);
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process.on("unhandledRejection", exception);
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const initResult = await getRequestHandlers({
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dir,
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port,
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isDev,
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server,
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hostname,
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minimalMode,
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isNodeDebugging: Boolean(nodeDebugType),
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keepAliveTimeout,
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experimentalHttpsServer: !!selfSignedCertificate
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});
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requestHandler = initResult[0];
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upgradeHandler = initResult[1];
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const startServerProcessDuration = performance.mark("next-start-end") && performance.measure("next-start-duration", "next-start", "next-start-end").duration;
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handlersReady();
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const formatDurationText = startServerProcessDuration > 2000 ? `${Math.round(startServerProcessDuration / 100) / 10}s` : `${Math.round(startServerProcessDuration)}ms`;
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Log.event(`Ready in ${formatDurationText}`);
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if (process.env.TURBOPACK) {
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await validateTurboNextConfig({
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dir: serverOptions.dir,
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isDev: true
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});
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}
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} catch (err) {
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// fatal error if we can't setup
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handlersError();
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console.error(err);
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process.exit(1);
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}
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resolve();
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});
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server.listen(port, hostname);
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});
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if (isDev) {
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function watchConfigFiles(dirToWatch, onChange) {
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const wp = new Watchpack();
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wp.watch({
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files: CONFIG_FILES.map((file)=>path.join(dirToWatch, file))
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});
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wp.on("change", onChange);
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}
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watchConfigFiles(dir, async (filename)=>{
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if (process.env.__NEXT_DISABLE_MEMORY_WATCHER) {
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Log.info(`Detected change, manual restart required due to '__NEXT_DISABLE_MEMORY_WATCHER' usage`);
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return;
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}
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Log.warn(`Found a change in ${path.basename(filename)}. Restarting the server to apply the changes...`);
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process.exit(RESTART_EXIT_CODE);
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});
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}
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}
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if (process.env.NEXT_PRIVATE_WORKER && process.send) {
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process.addListener("message", async (msg)=>{
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if (msg && typeof msg && msg.nextWorkerOptions && process.send) {
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startServerSpan = trace("start-dev-server", undefined, {
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cpus: String(os.cpus().length),
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platform: os.platform(),
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"memory.freeMem": String(os.freemem()),
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"memory.totalMem": String(os.totalmem()),
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"memory.heapSizeLimit": String(v8.getHeapStatistics().heap_size_limit)
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});
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await startServerSpan.traceAsyncFn(()=>startServer(msg.nextWorkerOptions));
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const memoryUsage = process.memoryUsage();
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startServerSpan.setAttribute("memory.rss", String(memoryUsage.rss));
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startServerSpan.setAttribute("memory.heapTotal", String(memoryUsage.heapTotal));
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startServerSpan.setAttribute("memory.heapUsed", String(memoryUsage.heapUsed));
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process.send({
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nextServerReady: true
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});
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}
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});
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process.send({
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nextWorkerReady: true
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});
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}
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//# sourceMappingURL=start-server.js.map
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