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WIP debugging why leveldb iterator is broke

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This commit is contained in:
Duke Leto
2018-07-14 23:00:09 +00:00
parent 8a7c025aae
commit cbce9f1f65
2 changed files with 27 additions and 5 deletions
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18
src/txdb.cpp
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@@ -402,18 +402,31 @@ int64_t CBlockTreeDB::Snapshot()
{
char chType; int64_t total = -1; std::string address;
boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
pcursor->SeekToFirst();
//boost::scoped_ptr<leveldb::Iterator> pcursor(pdb->NewIterator(leveldb::ReadOptions()) );
//boost::scoped_ptr<leveldb::Iterator> pcursor(db->NewIterator());
fprintf(stderr,"Snapshot\n");
//pcursor->SeekToFirst();
pcursor->SeekToLast();
fprintf(stderr,"SeekToLast\n");
fprintf(stderr,"pcursor iterate\n");
while (pcursor->Valid())
{
fprintf(stderr,"pcursor valid\n");
boost::this_thread::interruption_point();
fprintf(stderr,"about to try\n");
try
{
leveldb::Slice slKey = pcursor->key();
fprintf(stderr,"made slice\n");
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
fprintf(stderr,"made ssKey\n");
CAddressIndexKey indexKey;
ssKey >> chType;
fprintf(stderr,"made chType\n");
ssKey >> indexKey;
fprintf(stderr,"made indexKey\n");
fprintf(stderr,"chType.%d\n",chType);
if ( chType == DB_ADDRESSINDEX )
{
@@ -428,12 +441,13 @@ int64_t CBlockTreeDB::Snapshot()
total = (int64_t)nValue;
else total += (int64_t)nValue;
//addressIndex.push_back(make_pair(indexKey, nValue));
pcursor->Next();
pcursor->Prev();
} catch (const std::exception& e) {
return error("failed to get address index value");
}
} else { break; }
} catch (const std::exception& e) {
fprintf(stderr, "%s: LevelDB exception! - %s\n", __func__, e.what());
break;
}
}