Merge pull request #3342 from caugner/patch-1

Add checkPad variant to check all pads/revisions
2018-04-03 12:58:23 +01:00 · 2018-04-03 12:58:23 +01:00 · e6e46404d1
parent eb9875ee32 5c915062e1
commit e6e46404d1
1 changed files with 145 additions and 0 deletions
--- a/bin/checkAllPads.js
+++ b/bin/checkAllPads.js
@ -0,0 +1,145 @@
+/*
+  This is a debug tool. It checks all revisions for data corruption
+*/
+
+if(process.argv.length != 2)
+{
+  console.error("Use: node bin/checkAllPads.js");
+  process.exit(1);
+}
+
+//initalize the variables
+var db, settings, padManager;
+var npm = require("../src/node_modules/npm");
+var async = require("../src/node_modules/async");
+
+var Changeset = require("../src/static/js/Changeset");
+
+async.series([
+  //load npm
+  function(callback) {
+    npm.load({}, callback);
+  },
+  //load modules
+  function(callback) {
+    settings = require('../src/node/utils/Settings');
+    db = require('../src/node/db/DB');
+
+    //initalize the database
+    db.init(callback);
+  },
+  //load pads
+  function (callback)
+  {
+    padManager = require('../src/node/db/PadManager');
+    
+    padManager.listAllPads(function(err, res)
+    {
+      padIds = res.padIDs;
+      callback(err);
+    });
+  },
+  function (callback)
+  {
+    async.forEach(padIds, function(padId, callback)
+    {
+        padManager.getPad(padId, function(err, pad) {
+            if (err) {
+                callback(err);
+            }
+   
+            //check if the pad has a pool
+            if(pad.pool === undefined )
+            {
+                console.error("[" + pad.id + "] Missing attribute pool");
+                callback();
+                return;
+            }
+
+            //create an array with key kevisions
+            //key revisions always save the full pad atext
+            var head = pad.getHeadRevisionNumber();
+            var keyRevisions = [];
+            for(var i=0;i<head;i+=100)
+            {
+                keyRevisions.push(i);
+            }
+            
+            //run trough all key revisions
+            async.forEachSeries(keyRevisions, function(keyRev, callback)
+            {
+                //create an array of revisions we need till the next keyRevision or the End
+                var revisionsNeeded = [];
+                for(var i=keyRev;i<=keyRev+100 && i<=head; i++)
+                {
+                    revisionsNeeded.push(i);
+                }
+                
+                //this array will hold all revision changesets
+                var revisions = [];
+                
+                //run trough all needed revisions and get them from the database
+                async.forEach(revisionsNeeded, function(revNum, callback)
+                {
+                    db.db.get("pad:"+pad.id+":revs:" + revNum, function(err, revision)
+                    {
+                        revisions[revNum] = revision;
+                        callback(err);
+                    });
+                }, function(err)
+                {
+                    if(err)
+                    {
+                        callback(err);
+                        return;
+                    }
+
+                    //check if the revision exists
+                    if (revisions[keyRev] == null) {
+                        console.error("[" + pad.id + "] Missing revision " + keyRev);
+                        callback();
+                        return;
+                    }
+                    
+                    //check if there is a atext in the keyRevisions
+                    if(revisions[keyRev].meta === undefined || revisions[keyRev].meta.atext === undefined)
+                    {
+                        console.error("[" + pad.id + "] Missing atext in revision " + keyRev);
+                        callback();
+                        return;
+                    }
+                    
+                    var apool = pad.pool;
+                    var atext = revisions[keyRev].meta.atext;
+                    
+                    for(var i=keyRev+1;i<=keyRev+100 && i<=head; i++)
+                    {
+                        try
+                        {
+                            //console.log("[" + pad.id + "] check revision " + i);
+                            var cs = revisions[i].changeset;
+                            atext = Changeset.applyToAText(cs, atext, apool);
+                        }
+                        catch(e)
+                        {
+                            console.error("[" + pad.id + "] Bad changeset at revision " + i + " - " + e.message);
+                            callback();
+                            return;
+                        }
+                    }
+                    
+                    callback();
+                });
+            }, callback);
+        });
+    }, callback);
+  }
+], function (err)
+{
+  if(err) throw err;
+  else 
+  { 
+    console.log("finished");
+    process.exit(0);
+  }
+});