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leveldbwrapper symbol rename: Remove "Level" from class, etc. names

pull/4/head
Jeff Garzik 9 years ago
committed by Jack Grigg
parent
commit
f345c41ec4
No known key found for this signature in database GPG Key ID: 665DBCD284F7DAFF
  1. 26
      src/leveldbwrapper.cpp
  2. 34
      src/leveldbwrapper.h
  3. 18
      src/test/leveldbwrapper_tests.cpp
  4. 12
      src/txdb.cpp
  5. 6
      src/txdb.h

26
src/leveldbwrapper.cpp

@ -20,12 +20,12 @@ void HandleError(const leveldb::Status& status)
return;
LogPrintf("%s\n", status.ToString());
if (status.IsCorruption())
throw leveldb_error("Database corrupted");
throw dbwrapper_error("Database corrupted");
if (status.IsIOError())
throw leveldb_error("Database I/O error");
throw dbwrapper_error("Database I/O error");
if (status.IsNotFound())
throw leveldb_error("Database entry missing");
throw leveldb_error("Unknown database error");
throw dbwrapper_error("Database entry missing");
throw dbwrapper_error("Unknown database error");
}
static leveldb::Options GetOptions(size_t nCacheSize)
@ -44,7 +44,7 @@ static leveldb::Options GetOptions(size_t nCacheSize)
return options;
}
CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe)
CDBWrapper::CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe)
{
penv = NULL;
readoptions.verify_checksums = true;
@ -70,7 +70,7 @@ CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCa
LogPrintf("Opened LevelDB successfully\n");
}
CLevelDBWrapper::~CLevelDBWrapper()
CDBWrapper::~CDBWrapper()
{
delete pdb;
pdb = NULL;
@ -82,21 +82,21 @@ CLevelDBWrapper::~CLevelDBWrapper()
options.env = NULL;
}
bool CLevelDBWrapper::WriteBatch(CLevelDBBatch& batch, bool fSync)
bool CDBWrapper::WriteBatch(CDBBatch& batch, bool fSync)
{
leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch);
HandleError(status);
return true;
}
bool CLevelDBWrapper::IsEmpty()
bool CDBWrapper::IsEmpty()
{
boost::scoped_ptr<CLevelDBIterator> it(NewIterator());
boost::scoped_ptr<CDBIterator> it(NewIterator());
it->SeekToFirst();
return !(it->Valid());
}
CLevelDBIterator::~CLevelDBIterator() { delete piter; }
bool CLevelDBIterator::Valid() { return piter->Valid(); }
void CLevelDBIterator::SeekToFirst() { piter->SeekToFirst(); }
void CLevelDBIterator::Next() { piter->Next(); }
CDBIterator::~CDBIterator() { delete piter; }
bool CDBIterator::Valid() { return piter->Valid(); }
void CDBIterator::SeekToFirst() { piter->SeekToFirst(); }
void CDBIterator::Next() { piter->Next(); }

34
src/leveldbwrapper.h

@ -16,18 +16,18 @@
#include <leveldb/db.h>
#include <leveldb/write_batch.h>
class leveldb_error : public std::runtime_error
class dbwrapper_error : public std::runtime_error
{
public:
leveldb_error(const std::string& msg) : std::runtime_error(msg) {}
dbwrapper_error(const std::string& msg) : std::runtime_error(msg) {}
};
void HandleError(const leveldb::Status& status);
/** Batch of changes queued to be written to a CLevelDBWrapper */
class CLevelDBBatch
/** Batch of changes queued to be written to a CDBWrapper */
class CDBBatch
{
friend class CLevelDBWrapper;
friend class CDBWrapper;
private:
leveldb::WriteBatch batch;
@ -61,7 +61,7 @@ public:
}
};
class CLevelDBIterator
class CDBIterator
{
private:
leveldb::Iterator *piter;
@ -71,9 +71,9 @@ public:
/**
* @param[in] piterIn The original leveldb iterator.
*/
CLevelDBIterator(leveldb::Iterator *piterIn) :
CDBIterator(leveldb::Iterator *piterIn) :
piter(piterIn) { };
~CLevelDBIterator();
~CDBIterator();
bool Valid();
@ -121,7 +121,7 @@ public:
};
class CLevelDBWrapper
class CDBWrapper
{
private:
//! custom environment this database is using (may be NULL in case of default environment)
@ -152,8 +152,8 @@ public:
* @param[in] fMemory If true, use leveldb's memory environment.
* @param[in] fWipe If true, remove all existing data.
*/
CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
~CLevelDBWrapper();
CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
~CDBWrapper();
template <typename K, typename V>
bool Read(const K& key, V& value) const
@ -183,7 +183,7 @@ public:
template <typename K, typename V>
bool Write(const K& key, const V& value, bool fSync = false)
{
CLevelDBBatch batch;
CDBBatch batch;
batch.Write(key, value);
return WriteBatch(batch, fSync);
}
@ -210,12 +210,12 @@ public:
template <typename K>
bool Erase(const K& key, bool fSync = false)
{
CLevelDBBatch batch;
CDBBatch batch;
batch.Erase(key);
return WriteBatch(batch, fSync);
}
bool WriteBatch(CLevelDBBatch& batch, bool fSync = false);
bool WriteBatch(CDBBatch& batch, bool fSync = false);
// not available for LevelDB; provide for compatibility with BDB
bool Flush()
@ -225,13 +225,13 @@ public:
bool Sync()
{
CLevelDBBatch batch;
CDBBatch batch;
return WriteBatch(batch, true);
}
CLevelDBIterator *NewIterator()
CDBIterator *NewIterator()
{
return new CLevelDBIterator(pdb->NewIterator(iteroptions));
return new CDBIterator(pdb->NewIterator(iteroptions));
}
/**

18
src/test/leveldbwrapper_tests.cpp

@ -25,13 +25,13 @@ bool is_null_key(const vector<unsigned char>& key) {
return isnull;
}
BOOST_FIXTURE_TEST_SUITE(leveldbwrapper_tests, BasicTestingSetup)
BOOST_FIXTURE_TEST_SUITE(dbwrapper_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(leveldbwrapper)
BOOST_AUTO_TEST_CASE(dbwrapper)
{
{
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false);
CDBWrapper dbw(ph, (1 << 20), true, false);
char key = 'k';
uint256 in = GetRandHash();
uint256 res;
@ -43,11 +43,11 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper)
}
// Test batch operations
BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
BOOST_AUTO_TEST_CASE(dbwrapper_batch)
{
{
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false);
CDBWrapper dbw(ph, (1 << 20), true, false);
char key = 'i';
uint256 in = GetRandHash();
@ -57,7 +57,7 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
uint256 in3 = GetRandHash();
uint256 res;
CLevelDBBatch batch;
CDBBatch batch;
batch.Write(key, in);
batch.Write(key2, in2);
@ -78,11 +78,11 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
}
}
BOOST_AUTO_TEST_CASE(leveldbwrapper_iterator)
BOOST_AUTO_TEST_CASE(dbwrapper_iterator)
{
{
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false);
CDBWrapper dbw(ph, (1 << 20), true, false);
// The two keys are intentionally chosen for ordering
char key = 'j';
@ -92,7 +92,7 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper_iterator)
uint256 in2 = GetRandHash();
BOOST_CHECK(dbw.Write(key2, in2));
boost::scoped_ptr<CLevelDBIterator> it(const_cast<CLevelDBWrapper*>(&dbw)->NewIterator());
boost::scoped_ptr<CDBIterator> it(const_cast<CDBWrapper*>(&dbw)->NewIterator());
// Be sure to seek past any earlier key (if it exists)
it->Seek(key);

12
src/txdb.cpp

@ -85,7 +85,7 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
const uint256 &hashAnchor,
CAnchorsMap &mapAnchors,
CNullifiersMap &mapNullifiers) {
CLevelDBBatch batch;
CDBBatch batch;
size_t count = 0;
size_t changed = 0;
for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) {
@ -135,7 +135,7 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
return db.WriteBatch(batch);
}
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CLevelDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) {
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) {
}
bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) {
@ -162,7 +162,7 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
/* It seems that there are no "const iterators" for LevelDB. Since we
only need read operations on it, use a const-cast to get around
that restriction. */
boost::scoped_ptr<CLevelDBIterator> pcursor(const_cast<CLevelDBWrapper*>(&db)->NewIterator());
boost::scoped_ptr<CDBIterator> pcursor(const_cast<CDBWrapper*>(&db)->NewIterator());
pcursor->Seek(DB_COINS);
CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION);
@ -205,7 +205,7 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
}
bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo) {
CLevelDBBatch batch;
CDBBatch batch;
for (std::vector<std::pair<int, const CBlockFileInfo*> >::const_iterator it=fileInfo.begin(); it != fileInfo.end(); it++) {
batch.Write(make_pair(DB_BLOCK_FILES, it->first), *it->second);
}
@ -229,7 +229,7 @@ bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
}
bool CBlockTreeDB::WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> >&vect) {
CLevelDBBatch batch;
CDBBatch batch;
for (std::vector<std::pair<uint256,CDiskTxPos> >::const_iterator it=vect.begin(); it!=vect.end(); it++)
batch.Write(make_pair(DB_TXINDEX, it->first), it->second);
return WriteBatch(batch);
@ -249,7 +249,7 @@ bool CBlockTreeDB::ReadFlag(const std::string &name, bool &fValue) {
bool CBlockTreeDB::LoadBlockIndexGuts()
{
boost::scoped_ptr<CLevelDBIterator> pcursor(NewIterator());
boost::scoped_ptr<CDBIterator> pcursor(NewIterator());
pcursor->Seek(make_pair(DB_BLOCK_INDEX, uint256()));

6
src/txdb.h

@ -26,11 +26,11 @@ static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 16384 : 1024;
//! min. -dbcache in (MiB)
static const int64_t nMinDbCache = 4;
/** CCoinsView backed by the LevelDB coin database (chainstate/) */
/** CCoinsView backed by the coin database (chainstate/) */
class CCoinsViewDB : public CCoinsView
{
protected:
CLevelDBWrapper db;
CDBWrapper db;
CCoinsViewDB(std::string dbName, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
public:
CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
@ -50,7 +50,7 @@ public:
};
/** Access to the block database (blocks/index/) */
class CBlockTreeDB : public CLevelDBWrapper
class CBlockTreeDB : public CDBWrapper
{
public:
CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);

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