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inspector: report loadingFinished until the response data is consumed · nodejs/node@2c6124c · GitHub

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Commit 2c6124c

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legendecas
authored and
aduh95
committed
inspector: report loadingFinished until the response data is consumed
The `Network.loadingFinished` should be deferred until the response is complete and the data is fully consumed. Also, report correct request url with the specified port by retrieving the host from the request headers. PR-URL: #56372 Refs: #53946 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Kohei Ueno <kohei.ueno119@gmail.com>
1 parent 07ff3dd commit 2c6124c

6 files changed

Lines changed: 412 additions & 299 deletions

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‎lib/internal/inspector/network.js‎

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'use strict';
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const {
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NumberMAX_SAFE_INTEGER,
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Symbol,
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} = primordials;
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const { now } = require('internal/perf/utils');
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const kInspectorRequestId = Symbol('kInspectorRequestId');
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/**
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* Return a monotonically increasing time in seconds since an arbitrary point in the past.
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* @returns {number}
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*/
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function getMonotonicTime() {
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return now() / 1000;
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}
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let requestId = 0;
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function getNextRequestId() {
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if (requestId === NumberMAX_SAFE_INTEGER) {
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requestId = 0;
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}
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return `node-network-event-${++requestId}`;
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};
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module.exports = {
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kInspectorRequestId,
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getMonotonicTime,
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getNextRequestId,
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};

‎lib/internal/inspector/network_http.js‎

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'use strict';
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const {
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ArrayIsArray,
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DateNow,
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ObjectEntries,
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String,
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Symbol,
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} = primordials;
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const {
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kInspectorRequestId,
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getMonotonicTime,
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getNextRequestId,
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} = require('internal/inspector/network');
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const dc = require('diagnostics_channel');
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const { Network } = require('inspector');
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const kResourceType = 'Other';
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const kRequestUrl = Symbol('kRequestUrl');
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// Convert a Headers object (Map<string, number | string | string[]>) to a plain object (Map<string, string>)
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const convertHeaderObject = (headers = {}) => {
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// The 'host' header that contains the host and port of the URL.
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let host;
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const dict = {};
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for (const { 0: key, 1: value } of ObjectEntries(headers)) {
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if (key.toLowerCase() === 'host') {
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host = value;
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}
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if (typeof value === 'string') {
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dict[key] = value;
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} else if (ArrayIsArray(value)) {
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if (key.toLowerCase() === 'cookie') dict[key] = value.join('; ');
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// ChromeDevTools frontend treats 'set-cookie' as a special case
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// https://github.com/ChromeDevTools/devtools-frontend/blob/4275917f84266ef40613db3c1784a25f902ea74e/front_end/core/sdk/NetworkRequest.ts#L1368
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else if (key.toLowerCase() === 'set-cookie') dict[key] = value.join('\n');
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else dict[key] = value.join(', ');
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} else {
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dict[key] = String(value);
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}
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}
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return [host, dict];
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};
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/**
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* When a client request starts, emit Network.requestWillBeSent event.
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* https://chromedevtools.github.io/devtools-protocol/1-3/Network/#event-requestWillBeSent
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* @param {{ request: import('http').ClientRequest }} event
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*/
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function onClientRequestStart({ request }) {
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request[kInspectorRequestId] = getNextRequestId();
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const { 0: host, 1: headers } = convertHeaderObject(request.getHeaders());
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const url = `${request.protocol}//${host}${request.path}`;
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request[kRequestUrl] = url;
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Network.requestWillBeSent({
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requestId: request[kInspectorRequestId],
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timestamp: getMonotonicTime(),
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wallTime: DateNow(),
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request: {
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url,
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method: request.method,
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headers,
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},
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});
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}
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/**
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* When a client request errors, emit Network.loadingFailed event.
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* https://chromedevtools.github.io/devtools-protocol/1-3/Network/#event-loadingFailed
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* @param {{ request: import('http').ClientRequest, error: any }} event
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*/
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function onClientRequestError({ request, error }) {
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if (typeof request[kInspectorRequestId] !== 'string') {
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return;
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}
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Network.loadingFailed({
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requestId: request[kInspectorRequestId],
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timestamp: getMonotonicTime(),
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type: kResourceType,
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errorText: error.message,
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});
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}
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/**
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* When response headers are received, emit Network.responseReceived event.
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* https://chromedevtools.github.io/devtools-protocol/1-3/Network/#event-responseReceived
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* @param {{ request: import('http').ClientRequest, error: any }} event
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*/
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function onClientResponseFinish({ request, response }) {
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if (typeof request[kInspectorRequestId] !== 'string') {
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return;
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}
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Network.responseReceived({
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requestId: request[kInspectorRequestId],
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timestamp: getMonotonicTime(),
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type: kResourceType,
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response: {
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url: request[kRequestUrl],
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status: response.statusCode,
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statusText: response.statusMessage ?? '',
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headers: convertHeaderObject(response.headers)[1],
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},
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});
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// Wait until the response body is consumed by user code.
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response.once('end', () => {
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Network.loadingFinished({
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requestId: request[kInspectorRequestId],
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timestamp: getMonotonicTime(),
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});
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});
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}
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function enable() {
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dc.subscribe('http.client.request.start', onClientRequestStart);
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dc.subscribe('http.client.request.error', onClientRequestError);
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dc.subscribe('http.client.response.finish', onClientResponseFinish);
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}
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function disable() {
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dc.unsubscribe('http.client.request.start', onClientRequestStart);
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dc.unsubscribe('http.client.request.error', onClientRequestError);
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dc.unsubscribe('http.client.response.finish', onClientResponseFinish);
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}
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module.exports = {
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enable,
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disable,
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};

‎lib/internal/inspector_network_tracking.js‎

Lines changed: 6 additions & 93 deletions
Original file line numberDiff line numberDiff line change
@@ -1,102 +1,15 @@
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'use strict';
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3-
const {
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ArrayIsArray,
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DateNow,
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ObjectEntries,
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String,
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} = primordials;
9-
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let dc;
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let Network;
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let requestId = 0;
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const getNextRequestId = () => `node-network-event-${++requestId}`;
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// Convert a Headers object (Map<string, number | string | string[]>) to a plain object (Map<string, string>)
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const headerObjectToDictionary = (headers = {}) => {
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const dict = {};
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for (const { 0: key, 1: value } of ObjectEntries(headers)) {
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if (typeof value === 'string') {
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dict[key] = value;
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} else if (ArrayIsArray(value)) {
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if (key.toLowerCase() === 'cookie') dict[key] = value.join('; ');
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// ChromeDevTools frontend treats 'set-cookie' as a special case
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// https://github.com/ChromeDevTools/devtools-frontend/blob/4275917f84266ef40613db3c1784a25f902ea74e/front_end/core/sdk/NetworkRequest.ts#L1368
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else if (key.toLowerCase() === 'set-cookie') dict[key] = value.join('\n');
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else dict[key] = value.join(', ');
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} else {
29-
dict[key] = String(value);
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}
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}
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return dict;
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};
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function onClientRequestStart({ request }) {
36-
const url = `${request.protocol}//${request.host}${request.path}`;
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const wallTime = DateNow();
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const timestamp = wallTime / 1000;
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request._inspectorRequestId = getNextRequestId();
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Network.requestWillBeSent({
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requestId: request._inspectorRequestId,
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timestamp,
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wallTime,
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request: {
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url,
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method: request.method,
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headers: headerObjectToDictionary(request.getHeaders()),
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},
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});
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}
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function onClientRequestError({ request, error }) {
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if (typeof request._inspectorRequestId !== 'string') {
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return;
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}
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const timestamp = DateNow() / 1000;
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Network.loadingFailed({
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requestId: request._inspectorRequestId,
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timestamp,
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type: 'Other',
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errorText: error.message,
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});
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}
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function onClientResponseFinish({ request, response }) {
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if (typeof request._inspectorRequestId !== 'string') {
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return;
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}
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const url = `${request.protocol}//${request.host}${request.path}`;
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const timestamp = DateNow() / 1000;
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Network.responseReceived({
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requestId: request._inspectorRequestId,
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timestamp,
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type: 'Other',
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response: {
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url,
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status: response.statusCode,
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statusText: response.statusMessage ?? '',
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headers: headerObjectToDictionary(response.headers),
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},
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});
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Network.loadingFinished({
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requestId: request._inspectorRequestId,
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timestamp,
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});
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}
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function enable() {
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dc ??= require('diagnostics_channel');
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Network ??= require('inspector').Network;
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dc.subscribe('http.client.request.start', onClientRequestStart);
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dc.subscribe('http.client.request.error', onClientRequestError);
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dc.subscribe('http.client.response.finish', onClientResponseFinish);
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require('internal/inspector/network_http').enable();
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// TODO: add undici request/websocket tracking.
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// https://github.com/nodejs/node/issues/53946
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}
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function disable() {
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dc.unsubscribe('http.client.request.start', onClientRequestStart);
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dc.unsubscribe('http.client.request.error', onClientRequestError);
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dc.unsubscribe('http.client.response.finish', onClientResponseFinish);
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require('internal/inspector/network_http').disable();
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// TODO: add undici request/websocket tracking.
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// https://github.com/nodejs/node/issues/53946
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}
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module.exports = {

‎src/node_builtins.cc‎

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@@ -119,6 +119,8 @@ BuiltinLoader::BuiltinCategories BuiltinLoader::GetBuiltinCategories() const {
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builtin_categories.cannot_be_required = std::set<std::string> {
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#if !HAVE_INSPECTOR
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"inspector", "inspector/promises", "internal/util/inspector",
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"internal/inspector/network", "internal/inspector/network_http",
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"internal/inspector_async_hook", "internal/inspector_network_tracking",
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#endif // !HAVE_INSPECTOR
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#if !NODE_USE_V8_PLATFORM || !defined(NODE_HAVE_I18N_SUPPORT)

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