135 lines
3.7 KiB
JavaScript
135 lines
3.7 KiB
JavaScript
/*
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* This is a debug tool. It checks all revisions for data corruption
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*/
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if (process.argv.length != 2) {
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console.error("Use: node bin/checkAllPads.js");
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process.exit(1);
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}
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// initialize the variables
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var db, settings, padManager;
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var npm = require('../src/node_modules/npm');
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var async = require('../src/node_modules/async');
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var Changeset = require('../src/static/js/Changeset');
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async.series([
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// load npm
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function(callback) {
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npm.load({}, callback);
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},
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// load modules
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function(callback) {
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settings = require('../src/node/utils/Settings');
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db = require('../src/node/db/DB');
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// initialize the database
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db.init(callback);
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},
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// load pads
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function (callback) {
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padManager = require('../src/node/db/PadManager');
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padManager.listAllPads(function(err, res) {
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padIds = res.padIDs;
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callback(err);
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});
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},
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function (callback) {
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async.forEach(padIds, function(padId, callback) {
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padManager.getPad(padId, function(err, pad) {
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if (err) {
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callback(err);
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}
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// check if the pad has a pool
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if (pad.pool === undefined ) {
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console.error("[" + pad.id + "] Missing attribute pool");
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callback();
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return;
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}
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// create an array with key kevisions
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// key revisions always save the full pad atext
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var head = pad.getHeadRevisionNumber();
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var keyRevisions = [];
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for (var i = 0; i < head; i += 100) {
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keyRevisions.push(i);
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}
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// run through all key revisions
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async.forEachSeries(keyRevisions, function(keyRev, callback) {
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// create an array of revisions we need till the next keyRevision or the End
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var revisionsNeeded = [];
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for(var i = keyRev; i <= keyRev + 100 && i <= head; i++) {
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revisionsNeeded.push(i);
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}
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// this array will hold all revision changesets
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var revisions = [];
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// run through all needed revisions and get them from the database
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async.forEach(revisionsNeeded, function(revNum, callback) {
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db.db.get("pad:" + pad.id + ":revs:" + revNum, function(err, revision) {
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revisions[revNum] = revision;
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callback(err);
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});
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},
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function(err) {
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if (err) {
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callback(err);
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return;
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}
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// check if the revision exists
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if (revisions[keyRev] == null) {
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console.error("[" + pad.id + "] Missing revision " + keyRev);
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callback();
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return;
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}
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// check if there is a atext in the keyRevisions
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if (revisions[keyRev].meta === undefined || revisions[keyRev].meta.atext === undefined) {
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console.error("[" + pad.id + "] Missing atext in revision " + keyRev);
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callback();
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return;
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}
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var apool = pad.pool;
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var atext = revisions[keyRev].meta.atext;
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for(var i = keyRev + 1; i <= keyRev + 100 && i <= head; i++) {
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try {
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// console.log("[" + pad.id + "] check revision " + i);
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var cs = revisions[i].changeset;
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atext = Changeset.applyToAText(cs, atext, apool);
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} catch(e) {
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console.error("[" + pad.id + "] Bad changeset at revision " + i + " - " + e.message);
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callback();
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return;
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}
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}
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callback();
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});
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}, callback);
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});
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}, callback);
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}
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],
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function (err) {
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if (err) {
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throw err;
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} else {
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console.log("finished");
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process.exit(0);
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}
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});
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