github-jwinterm/myriadcoin
1
0
Fork 0
mirror of https://github.com/jwinterm/myriadcoin.git synced 2026-10-25 05:58:42 +01:00
Code Issues Packages Projects Releases Wiki Activity

Myriadcoin 0.11 port

Browse Source
This commit is contained in:
nzsquirrell
2016-02-24 20:34:22 +13:00
parent 5e70510c51
commit 5efd59f935
991 changed files with 109184 additions and 168045 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/leveldbwrapper.cpp
+18 -7
View File
@@ -1,5 +1,5 @@
// Copyright (c) 2012-2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// Copyright (c) 2012-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "leveldbwrapper.h"
@@ -7,12 +7,14 @@
#include "util.h"
#include <boost/filesystem.hpp>
#include <leveldb/cache.h>
#include <leveldb/env.h>
#include <leveldb/filter_policy.h>
#include <memenv.h>
void HandleError(const leveldb::Status &status) throw(leveldb_error) {
void HandleError(const leveldb::Status& status) throw(leveldb_error)
{
if (status.ok())
return;
LogPrintf("%s\n", status.ToString());
@@ -25,17 +27,24 @@ void HandleError(const leveldb::Status &status) throw(leveldb_error) {
throw leveldb_error("Unknown database error");
}
static leveldb::Options GetOptions(size_t nCacheSize) {
static leveldb::Options GetOptions(size_t nCacheSize)
{
leveldb::Options options;
options.block_cache = leveldb::NewLRUCache(nCacheSize / 2);
options.write_buffer_size = nCacheSize / 4; // up to two write buffers may be held in memory simultaneously
options.filter_policy = leveldb::NewBloomFilterPolicy(10);
options.compression = leveldb::kNoCompression;
options.max_open_files = 64;
if (leveldb::kMajorVersion > 1 || (leveldb::kMajorVersion == 1 && leveldb::kMinorVersion >= 16)) {
// LevelDB versions before 1.16 consider short writes to be corruption. Only trigger error
// on corruption in later versions.
options.paranoid_checks = true;
}
return options;
}
CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path &path, size_t nCacheSize, bool fMemory, bool fWipe) {
CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe)
{
penv = NULL;
readoptions.verify_checksums = true;
iteroptions.verify_checksums = true;
@@ -59,7 +68,8 @@ CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path &path, size_t nCa
LogPrintf("Opened LevelDB successfully\n");
}
CLevelDBWrapper::~CLevelDBWrapper() {
CLevelDBWrapper::~CLevelDBWrapper()
{
delete pdb;
pdb = NULL;
delete options.filter_policy;
@@ -70,7 +80,8 @@ CLevelDBWrapper::~CLevelDBWrapper() {
options.env = NULL;
}
bool CLevelDBWrapper::WriteBatch(CLevelDBBatch &batch, bool fSync) throw(leveldb_error) {
bool CLevelDBWrapper::WriteBatch(CLevelDBBatch& batch, bool fSync) throw(leveldb_error)
{
leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch);
HandleError(status);
return true;