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https://github.com/gorhill/uBlock.git
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6e6697fab6
The code below the comment specifies 30 seconds, while the comment says 60 seconds. This PR fixes that typo to make the comment indicate 30 seconds.
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2015-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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'use strict';
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/******************************************************************************/
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let buffer = null;
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let lastReadTime = 0;
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let writePtr = 0;
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// After 30 seconds without being read, a buffer will be considered
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// unused, and thus removed from memory.
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const logBufferObsoleteAfter = 30 * 1000;
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const janitor = ( ) => {
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if (
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buffer !== null &&
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lastReadTime < (Date.now() - logBufferObsoleteAfter)
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) {
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logger.enabled = false;
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buffer = null;
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writePtr = 0;
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logger.ownerId = undefined;
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vAPI.messaging.broadcast({ what: 'loggerDisabled' });
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}
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if ( buffer !== null ) {
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vAPI.setTimeout(janitor, logBufferObsoleteAfter);
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}
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};
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const boxEntry = function(details) {
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if ( details.tstamp === undefined ) {
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details.tstamp = Date.now();
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}
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return JSON.stringify(details);
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};
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const logger = {
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enabled: false,
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ownerId: undefined,
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writeOne: function(details) {
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if ( buffer === null ) { return; }
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const box = boxEntry(details);
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if ( writePtr === buffer.length ) {
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buffer.push(box);
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} else {
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buffer[writePtr] = box;
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}
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writePtr += 1;
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},
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readAll: function(ownerId) {
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this.ownerId = ownerId;
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if ( buffer === null ) {
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this.enabled = true;
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buffer = [];
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vAPI.setTimeout(janitor, logBufferObsoleteAfter);
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}
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const out = buffer.slice(0, writePtr);
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writePtr = 0;
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lastReadTime = Date.now();
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return out;
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},
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};
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/******************************************************************************/
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export default logger;
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/******************************************************************************/
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