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etherpad-lite
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runcon
etherpad-lite
Commits
6b208753
Commit
6b208753
authored
13 years ago
by
Peter 'Pita' Martischka
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add a tool to check for data corruption on pads
parent
18f90866
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bin/checkPad.js
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bin/checkPad.js
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6b208753
/*
This is a debug tool. It checks all revisions for data corruption
*/
if
(
process
.
argv
.
length
!=
3
)
{
console
.
error
(
"
Use: node checkPad.js $PADID
"
);
process
.
exit
(
1
);
}
//get the padID
var
padId
=
process
.
argv
[
2
];
//initalize the database
var
log4js
=
require
(
"
log4js
"
);
log4js
.
setGlobalLogLevel
(
"
INFO
"
);
var
async
=
require
(
"
async
"
);
var
db
=
require
(
'
../node/db/DB
'
);
var
Changeset
=
require
(
'
../node/utils/Changeset
'
);
var
padManager
;
async
.
series
([
//intallize the database
function
(
callback
)
{
db
.
init
(
callback
);
},
//get the pad
function
(
callback
)
{
padManager
=
require
(
'
../node/db/PadManager
'
);
padManager
.
doesPadExists
(
padId
,
function
(
err
,
exists
)
{
if
(
!
exists
)
{
console
.
error
(
"
Pad does not exist
"
);
process
.
exit
(
1
);
}
padManager
.
getPad
(
padId
,
function
(
err
,
_pad
)
{
pad
=
_pad
;
callback
(
err
);
});
});
},
function
(
callback
)
{
//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:
"
+
padId
+
"
:revs:
"
+
revNum
,
function
(
err
,
revision
)
{
revisions
[
revNum
]
=
revision
;
callback
(
err
);
});
},
function
(
err
)
{
if
(
err
)
{
callback
(
err
);
return
;
}
//check if the pad has a pool
if
(
pad
.
pool
===
undefined
)
{
console
.
error
(
"
Attribute pool is missing
"
);
process
.
exit
(
1
);
}
//check if there is a atext in the keyRevisions
if
(
revisions
[
keyRev
]
===
undefined
||
revisions
[
keyRev
].
meta
===
undefined
||
revisions
[
keyRev
].
meta
.
atext
===
undefined
)
{
console
.
error
(
"
No atext in key 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("check revision " + i);
var
cs
=
revisions
[
i
].
changeset
;
atext
=
Changeset
.
applyToAText
(
cs
,
atext
,
apool
);
}
catch
(
e
)
{
console
.
error
(
"
Bad changeset at revision
"
+
i
+
"
-
"
+
e
.
message
);
callback
();
return
;
}
}
callback
();
});
},
callback
);
}
],
function
(
err
)
{
if
(
err
)
throw
err
;
else
{
console
.
log
(
"
finished
"
);
process
.
exit
(
0
);
}
});
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