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Merge pull request #6873

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This commit is contained in:
Jeff Garzik 2015-10-23 09:01:22 -04:00
parent c719cefc41 3795e8152b
commit 46f74379b8
Failed to extract signature
7 changed files with 85 additions and 89 deletions
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4
src/Makefile.am
View file

@ -110,7 +110,7 @@ BITCOIN_CORE_H = \
init.h \
key.h \
keystore.h \
leveldbwrapper.h \
dbwrapper.h \
limitedmap.h \
main.h \
memusage.h \
@ -188,7 +188,7 @@ libbitcoin_server_a_SOURCES = \
httprpc.cpp \
httpserver.cpp \
init.cpp \
leveldbwrapper.cpp \
dbwrapper.cpp \
main.cpp \
merkleblock.cpp \
miner.cpp \

2
src/Makefile.test.include
View file

@ -54,7 +54,7 @@ BITCOIN_TESTS =\
test/hash_tests.cpp \
test/key_tests.cpp \
test/limitedmap_tests.cpp \
test/leveldbwrapper_tests.cpp \
test/dbwrapper_tests.cpp \
test/main_tests.cpp \
test/mempool_tests.cpp \
test/miner_tests.cpp \

56
src/leveldbwrapper.cpp → src/dbwrapper.cpp
View file

@ -2,7 +2,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "leveldbwrapper.h"
#include "dbwrapper.h"
#include "util.h"
#include "random.h"
@ -15,18 +15,18 @@
#include <memenv.h>
#include <stdint.h>
void HandleError(const leveldb::Status& status) throw(leveldb_error)
void HandleError(const leveldb::Status& status) throw(dbwrapper_error)
{
if (status.ok())
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)
@ -45,7 +45,7 @@ static leveldb::Options GetOptions(size_t nCacheSize)
return options;
}
CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe, bool obfuscate)
CDBWrapper::CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe, bool obfuscate)
{
penv = NULL;
readoptions.verify_checksums = true;
@ -76,7 +76,7 @@ CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCa
bool key_exists = Read(OBFUSCATE_KEY_KEY, obfuscate_key);
if (!key_exists && obfuscate && IsEmpty()) {
// Initialize non-degenerate obfuscation if it won't upset
// Initialize non-degenerate obfuscation if it won't upset
// existing, non-obfuscated data.
std::vector<unsigned char> new_key = CreateObfuscateKey();
@ -90,7 +90,7 @@ CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCa
LogPrintf("Using obfuscation key for %s: %s\n", path.string(), GetObfuscateKeyHex());
}
CLevelDBWrapper::~CLevelDBWrapper()
CDBWrapper::~CDBWrapper()
{
delete pdb;
pdb = NULL;
@ -102,7 +102,7 @@ CLevelDBWrapper::~CLevelDBWrapper()
options.env = NULL;
}
bool CLevelDBWrapper::WriteBatch(CLevelDBBatch& batch, bool fSync) throw(leveldb_error)
bool CDBWrapper::WriteBatch(CDBBatch& batch, bool fSync) throw(dbwrapper_error)
{
leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch);
HandleError(status);
@ -113,15 +113,15 @@ bool CLevelDBWrapper::WriteBatch(CLevelDBBatch& batch, bool fSync) throw(leveldb
//
// We must use a string constructor which specifies length so that we copy
// past the null-terminator.
const std::string CLevelDBWrapper::OBFUSCATE_KEY_KEY("\000obfuscate_key", 14);
const std::string CDBWrapper::OBFUSCATE_KEY_KEY("\000obfuscate_key", 14);
const unsigned int CLevelDBWrapper::OBFUSCATE_KEY_NUM_BYTES = 8;
const unsigned int CDBWrapper::OBFUSCATE_KEY_NUM_BYTES = 8;
/**
* Returns a string (consisting of 8 random bytes) suitable for use as an
* obfuscating XOR key.
* Returns a string (consisting of 8 random bytes) suitable for use as an
* obfuscating XOR key.
*/
std::vector<unsigned char> CLevelDBWrapper::CreateObfuscateKey() const
std::vector<unsigned char> CDBWrapper::CreateObfuscateKey() const
{
unsigned char buff[OBFUSCATE_KEY_NUM_BYTES];
GetRandBytes(buff, OBFUSCATE_KEY_NUM_BYTES);
@ -129,26 +129,24 @@ std::vector<unsigned char> CLevelDBWrapper::CreateObfuscateKey() const
}
bool CLevelDBWrapper::IsEmpty()
bool CDBWrapper::IsEmpty()
{
boost::scoped_ptr<CLevelDBIterator> it(NewIterator());
boost::scoped_ptr<CDBIterator> it(NewIterator());
it->SeekToFirst();
return !(it->Valid());
}
const std::vector<unsigned char>& CLevelDBWrapper::GetObfuscateKey() const
{
return obfuscate_key;
const std::vector<unsigned char>& CDBWrapper::GetObfuscateKey() const
{
return obfuscate_key;
}
std::string CLevelDBWrapper::GetObfuscateKeyHex() const
{
return HexStr(obfuscate_key);
std::string CDBWrapper::GetObfuscateKeyHex() const
{
return HexStr(obfuscate_key);
}
CLevelDBIterator::~CLevelDBIterator() { delete piter; }
bool CLevelDBIterator::Valid() { return piter->Valid(); }
void CLevelDBIterator::SeekToFirst() { piter->SeekToFirst(); }
void CLevelDBIterator::SeekToLast() { piter->SeekToLast(); }
void CLevelDBIterator::Next() { piter->Next(); }
void CLevelDBIterator::Prev() { piter->Prev(); }
CDBIterator::~CDBIterator() { delete piter; }
bool CDBIterator::Valid() { return piter->Valid(); }
void CDBIterator::SeekToFirst() { piter->SeekToFirst(); }
void CDBIterator::Next() { piter->Next(); }

64
src/leveldbwrapper.h → src/dbwrapper.h
View file

@ -2,8 +2,8 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_LEVELDBWRAPPER_H
#define BITCOIN_LEVELDBWRAPPER_H
#ifndef BITCOIN_DBWRAPPER_H
#define BITCOIN_DBWRAPPER_H
#include "clientversion.h"
#include "serialize.h"
@ -17,18 +17,18 @@
#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) throw(leveldb_error);
void HandleError(const leveldb::Status& status) throw(dbwrapper_error);
/** 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;
@ -38,7 +38,7 @@ public:
/**
* @param[in] obfuscate_key If passed, XOR data with this key.
*/
CLevelDBBatch(const std::vector<unsigned char> *obfuscate_key) : obfuscate_key(obfuscate_key) { };
CDBBatch(const std::vector<unsigned char> *obfuscate_key) : obfuscate_key(obfuscate_key) { };
template <typename K, typename V>
void Write(const K& key, const V& value)
@ -68,8 +68,8 @@ public:
batch.Delete(slKey);
}
};
class CLevelDBIterator
class CDBIterator
{
private:
leveldb::Iterator *piter;
@ -81,14 +81,13 @@ public:
* @param[in] piterIn The original leveldb iterator.
* @param[in] obfuscate_key If passed, XOR data with this key.
*/
CLevelDBIterator(leveldb::Iterator *piterIn, const std::vector<unsigned char>* obfuscate_key) :
CDBIterator(leveldb::Iterator *piterIn, const std::vector<unsigned char>* obfuscate_key) :
piter(piterIn), obfuscate_key(obfuscate_key) { };
~CLevelDBIterator();
~CDBIterator();
bool Valid();
void SeekToFirst();
void SeekToLast();
template<typename K> void Seek(const K& key) {
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
@ -99,7 +98,6 @@ public:
}
void Next();
void Prev();
template<typename K> bool GetKey(K& key) {
leveldb::Slice slKey = piter->key();
@ -133,8 +131,8 @@ public:
}
};
class CLevelDBWrapper
class CDBWrapper
{
private:
//! custom environment this database is using (may be NULL in case of default environment)
@ -163,10 +161,10 @@ private:
//! the key under which the obfuscation key is stored
static const std::string OBFUSCATE_KEY_KEY;
//! the length of the obfuscate key in number of bytes
static const unsigned int OBFUSCATE_KEY_NUM_BYTES;
std::vector<unsigned char> CreateObfuscateKey() const;
public:
@ -178,11 +176,11 @@ public:
* @param[in] obfuscate If true, store data obfuscated via simple XOR. If false, XOR
* with a zero'd byte array.
*/
CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false, bool obfuscate = false);
~CLevelDBWrapper();
CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false, bool obfuscate = false);
~CDBWrapper();
template <typename K, typename V>
bool Read(const K& key, V& value) const throw(leveldb_error)
bool Read(const K& key, V& value) const throw(dbwrapper_error)
{
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(ssKey.GetSerializeSize(key));
@ -208,15 +206,15 @@ public:
}
template <typename K, typename V>
bool Write(const K& key, const V& value, bool fSync = false) throw(leveldb_error)
bool Write(const K& key, const V& value, bool fSync = false) throw(dbwrapper_error)
{
CLevelDBBatch batch(&obfuscate_key);
CDBBatch batch(&obfuscate_key);
batch.Write(key, value);
return WriteBatch(batch, fSync);
}
template <typename K>
bool Exists(const K& key) const throw(leveldb_error)
bool Exists(const K& key) const throw(dbwrapper_error)
{
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
ssKey.reserve(ssKey.GetSerializeSize(key));
@ -235,14 +233,14 @@ public:
}
template <typename K>
bool Erase(const K& key, bool fSync = false) throw(leveldb_error)
bool Erase(const K& key, bool fSync = false) throw(dbwrapper_error)
{
CLevelDBBatch batch(&obfuscate_key);
CDBBatch batch(&obfuscate_key);
batch.Erase(key);
return WriteBatch(batch, fSync);
}
bool WriteBatch(CLevelDBBatch& batch, bool fSync = false) throw(leveldb_error);
bool WriteBatch(CDBBatch& batch, bool fSync = false) throw(dbwrapper_error);
// not available for LevelDB; provide for compatibility with BDB
bool Flush()
@ -250,15 +248,15 @@ public:
return true;
}
bool Sync() throw(leveldb_error)
bool Sync() throw(dbwrapper_error)
{
CLevelDBBatch batch(&obfuscate_key);
CDBBatch batch(&obfuscate_key);
return WriteBatch(batch, true);
}
CLevelDBIterator *NewIterator()
CDBIterator *NewIterator()
{
return new CLevelDBIterator(pdb->NewIterator(iteroptions), &obfuscate_key);
return new CDBIterator(pdb->NewIterator(iteroptions), &obfuscate_key);
}
/**
@ -278,5 +276,5 @@ public:
};
#endif // BITCOIN_LEVELDBWRAPPER_H
#endif // BITCOIN_DBWRAPPER_H

28
src/test/leveldbwrapper_tests.cpp → src/test/dbwrapper_tests.cpp
View file

@ -2,7 +2,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "leveldbwrapper.h"
#include "dbwrapper.h"
#include "uint256.h"
#include "random.h"
#include "test/test_bitcoin.h"
@ -25,15 +25,15 @@ 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)
{
// Perform tests both obfuscated and non-obfuscated.
for (int i = 0; i < 2; i++) {
bool obfuscate = (bool)i;
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
CDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
char key = 'k';
uint256 in = GetRandHash();
uint256 res;
@ -48,13 +48,13 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper)
}
// Test batch operations
BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
BOOST_AUTO_TEST_CASE(dbwrapper_batch)
{
// Perform tests both obfuscated and non-obfuscated.
for (int i = 0; i < 2; i++) {
bool obfuscate = (bool)i;
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
CDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
char key = 'i';
uint256 in = GetRandHash();
@ -64,7 +64,7 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
uint256 in3 = GetRandHash();
uint256 res;
CLevelDBBatch batch(&dbw.GetObfuscateKey());
CDBBatch batch(&dbw.GetObfuscateKey());
batch.Write(key, in);
batch.Write(key2, in2);
@ -85,13 +85,13 @@ BOOST_AUTO_TEST_CASE(leveldbwrapper_batch)
}
}
BOOST_AUTO_TEST_CASE(leveldbwrapper_iterator)
BOOST_AUTO_TEST_CASE(dbwrapper_iterator)
{
// Perform tests both obfuscated and non-obfuscated.
for (int i = 0; i < 2; i++) {
bool obfuscate = (bool)i;
path ph = temp_directory_path() / unique_path();
CLevelDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
CDBWrapper dbw(ph, (1 << 20), true, false, obfuscate);
// The two keys are intentionally chosen for ordering
char key = 'j';
@ -101,7 +101,7 @@ 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 the obfuscation key (if it exists)
it->Seek(key);
@ -134,7 +134,7 @@ BOOST_AUTO_TEST_CASE(existing_data_no_obfuscate)
create_directories(ph);
// Set up a non-obfuscated wrapper to write some initial data.
CLevelDBWrapper* dbw = new CLevelDBWrapper(ph, (1 << 10), false, false, false);
CDBWrapper* dbw = new CDBWrapper(ph, (1 << 10), false, false, false);
char key = 'k';
uint256 in = GetRandHash();
uint256 res;
@ -147,7 +147,7 @@ BOOST_AUTO_TEST_CASE(existing_data_no_obfuscate)
delete dbw;
// Now, set up another wrapper that wants to obfuscate the same directory
CLevelDBWrapper odbw(ph, (1 << 10), false, false, true);
CDBWrapper odbw(ph, (1 << 10), false, false, true);
// Check that the key/val we wrote with unobfuscated wrapper exists and
// is readable.
@ -175,7 +175,7 @@ BOOST_AUTO_TEST_CASE(existing_data_reindex)
create_directories(ph);
// Set up a non-obfuscated wrapper to write some initial data.
CLevelDBWrapper* dbw = new CLevelDBWrapper(ph, (1 << 10), false, false, false);
CDBWrapper* dbw = new CDBWrapper(ph, (1 << 10), false, false, false);
char key = 'k';
uint256 in = GetRandHash();
uint256 res;
@ -188,7 +188,7 @@ BOOST_AUTO_TEST_CASE(existing_data_reindex)
delete dbw;
// Simulate a -reindex by wiping the existing data store
CLevelDBWrapper odbw(ph, (1 << 10), false, true, true);
CDBWrapper odbw(ph, (1 << 10), false, true, true);
// Check that the key/val we wrote with unobfuscated wrapper doesn't exist
uint256 res2;

12
src/txdb.cpp
View file

@ -49,7 +49,7 @@ uint256 CCoinsViewDB::GetBestBlock() const {
}
bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
CLevelDBBatch batch(&db.GetObfuscateKey());
CDBBatch batch(&db.GetObfuscateKey());
size_t count = 0;
size_t changed = 0;
for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) {
@ -71,7 +71,7 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) {
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) {
@ -98,7 +98,7 @@ 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);
@ -141,7 +141,7 @@ 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(&GetObfuscateKey());
CDBBatch batch(&GetObfuscateKey());
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);
}
@ -157,7 +157,7 @@ bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
}
bool CBlockTreeDB::WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> >&vect) {
CLevelDBBatch batch(&GetObfuscateKey());
CDBBatch batch(&GetObfuscateKey());
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);
@ -177,7 +177,7 @@ 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()));

8
src/txdb.h
View file

@ -7,7 +7,7 @@
#define BITCOIN_TXDB_H
#include "coins.h"
#include "leveldbwrapper.h"
#include "dbwrapper.h"
#include <map>
#include <string>
@ -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;
public:
CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
@ -42,7 +42,7 @@ 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);