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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Actor } = require("resource://devtools/shared/protocol.js");
const {
networkParentSpec,
} = require("resource://devtools/shared/specs/network-parent.js");
const {
TYPES: { NETWORK_EVENT },
getResourceWatcher,
} = require("resource://devtools/server/actors/resources/index.js");
/**
* This actor manages all network functionality running
* in the parent process.
*
* @constructor
*
*/
class NetworkParentActor extends Actor {
constructor(watcherActor) {
super(watcherActor.conn, networkParentSpec);
this.watcherActor = watcherActor;
}
// Caches the throttling data so that on clearing the
// current network throttling it can be reset to the previous.
defaultThrottleData = undefined;
isEqual(next, current) {
// If both objects, check all entries
if (current && next && next == current) {
return Object.entries(current).every(([k, v]) => {
return next[k] === v;
});
}
return false;
}
get networkEventWatcher() {
return getResourceWatcher(this.watcherActor, NETWORK_EVENT);
}
setNetworkThrottling(throttleData) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
if (throttleData !== null) {
throttleData = {
latencyMean: throttleData.latency,
latencyMax: throttleData.latency,
downloadBPSMean: throttleData.downloadThroughput,
downloadBPSMax: throttleData.downloadThroughput,
uploadBPSMean: throttleData.uploadThroughput,
uploadBPSMax: throttleData.uploadThroughput,
};
}
const currentThrottleData = this.networkEventWatcher.getThrottleData();
if (this.isEqual(throttleData, currentThrottleData)) {
return;
}
if (this.defaultThrottleData === undefined) {
this.defaultThrottleData = currentThrottleData;
}
this.networkEventWatcher.setThrottleData(throttleData);
}
getNetworkThrottling() {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
const throttleData = this.networkEventWatcher.getThrottleData();
if (!throttleData) {
return null;
}
return {
downloadThroughput: throttleData.downloadBPSMax,
uploadThroughput: throttleData.uploadBPSMax,
latency: throttleData.latencyMax,
};
}
clearNetworkThrottling() {
if (this.defaultThrottleData !== undefined) {
this.setNetworkThrottling(this.defaultThrottleData);
}
}
setSaveRequestAndResponseBodies(save) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.setSaveRequestAndResponseBodies(save);
}
/**
* Sets the urls to block.
*
* @param Array urls
* The response packet - stack trace.
*/
setBlockedUrls(urls) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.setBlockedUrls(urls);
return {};
}
/**
* Returns the urls that are block
*/
getBlockedUrls() {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
return this.networkEventWatcher.getBlockedUrls();
}
/**
* Blocks the requests based on the filters
* @param {Object} filters
*/
blockRequest(filters) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.blockRequest(filters);
}
/**
* Unblocks requests based on the filters
* @param {Object} filters
*/
unblockRequest(filters) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.unblockRequest(filters);
}
setPersist(enabled) {
// We will always call this method, even if we are still using legacy listener.
// Do not throw, we will always persist in that deprecated codepath.
if (!this.networkEventWatcher) {
return;
}
this.networkEventWatcher.setPersist(enabled);
}
override(url, path) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.override(url, path);
return {};
}
removeOverride(url) {
if (!this.networkEventWatcher) {
throw new Error("Not listening for network events");
}
this.networkEventWatcher.removeOverride(url);
}
}
exports.NetworkParentActor = NetworkParentActor;
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