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* Put the database verifier in a transaction.

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This commit is contained in:
Eelco Dolstra 2003-07-31 19:49:11 +00:00
parent 06d3d7355d
commit 06434072e7
1 changed files with 23 additions and 17 deletions
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40
src/store.cc
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@ -281,8 +281,12 @@ void deleteFromStore(const string & path)
void verifyStore()
{
Transaction txn(nixDB);
/* !!! verify that the result is consistent */
Strings paths;
nixDB.enumTable(noTxn, dbPath2Id, paths);
nixDB.enumTable(txn, dbPath2Id, paths);
for (Strings::iterator i = paths.begin();
i != paths.end(); i++)
@ -296,10 +300,10 @@ void verifyStore()
else {
string id;
if (!nixDB.queryString(noTxn, dbPath2Id, path, id)) abort();
if (!nixDB.queryString(txn, dbPath2Id, path, id)) abort();
Strings idPaths;
nixDB.queryStrings(noTxn, dbId2Paths, id, idPaths);
nixDB.queryStrings(txn, dbId2Paths, id, idPaths);
bool found = false;
for (Strings::iterator j = idPaths.begin();
@ -316,11 +320,11 @@ void verifyStore()
debug(format("reverse mapping for path `%1%' missing") % path);
}
if (erase) nixDB.delPair(noTxn, dbPath2Id, path);
if (erase) nixDB.delPair(txn, dbPath2Id, path);
}
Strings ids;
nixDB.enumTable(noTxn, dbId2Paths, ids);
nixDB.enumTable(txn, dbId2Paths, ids);
for (Strings::iterator i = ids.begin();
i != ids.end(); i++)
@ -328,13 +332,13 @@ void verifyStore()
FSId id = parseHash(*i);
Strings idPaths;
nixDB.queryStrings(noTxn, dbId2Paths, id, idPaths);
nixDB.queryStrings(txn, dbId2Paths, id, idPaths);
for (Strings::iterator j = idPaths.begin();
j != idPaths.end(); )
{
string id2;
if (!nixDB.queryString(noTxn, dbPath2Id, *j, id2) ||
if (!nixDB.queryString(txn, dbPath2Id, *j, id2) ||
id != parseHash(id2)) {
debug(format("erasing path `%1%' from mapping for id %2%")
% *j % (string) id);
@ -342,12 +346,12 @@ void verifyStore()
} else j++;
}
nixDB.setStrings(noTxn, dbId2Paths, id, idPaths);
nixDB.setStrings(txn, dbId2Paths, id, idPaths);
}
Strings subs;
nixDB.enumTable(noTxn, dbSubstitutes, subs);
nixDB.enumTable(txn, dbSubstitutes, subs);
for (Strings::iterator i = subs.begin();
i != subs.end(); i++)
@ -355,7 +359,7 @@ void verifyStore()
FSId srcId = parseHash(*i);
Strings subIds;
nixDB.queryStrings(noTxn, dbSubstitutes, srcId, subIds);
nixDB.queryStrings(txn, dbSubstitutes, srcId, subIds);
for (Strings::iterator j = subIds.begin();
j != subIds.end(); )
@ -363,7 +367,7 @@ void verifyStore()
FSId subId = parseHash(*j);
Strings subPaths;
nixDB.queryStrings(noTxn, dbId2Paths, subId, subPaths);
nixDB.queryStrings(txn, dbId2Paths, subId, subPaths);
if (subPaths.size() == 0) {
debug(format("erasing substitute %1% for %2%")
% (string) subId % (string) srcId);
@ -371,11 +375,11 @@ void verifyStore()
} else j++;
}
nixDB.setStrings(noTxn, dbSubstitutes, srcId, subIds);
nixDB.setStrings(txn, dbSubstitutes, srcId, subIds);
}
Strings sucs;
nixDB.enumTable(noTxn, dbSuccessors, sucs);
nixDB.enumTable(txn, dbSuccessors, sucs);
for (Strings::iterator i = sucs.begin();
i != sucs.end(); i++)
@ -383,18 +387,20 @@ void verifyStore()
FSId id1 = parseHash(*i);
string id2;
if (!nixDB.queryString(noTxn, dbSuccessors, id1, id2)) abort();
if (!nixDB.queryString(txn, dbSuccessors, id1, id2)) abort();
Strings id2Paths;
nixDB.queryStrings(noTxn, dbId2Paths, id2, id2Paths);
nixDB.queryStrings(txn, dbId2Paths, id2, id2Paths);
if (id2Paths.size() == 0) {
Strings id2Subs;
nixDB.queryStrings(noTxn, dbSubstitutes, id2, id2Subs);
nixDB.queryStrings(txn, dbSubstitutes, id2, id2Subs);
if (id2Subs.size() == 0) {
debug(format("successor %1% for %2% missing")
% id2 % (string) id1);
nixDB.delPair(noTxn, dbSuccessors, (string) id1);
nixDB.delPair(txn, dbSuccessors, (string) id1);
}
}
}
txn.commit();
}