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| author | Brandon Dahler <[email protected]> | 2013-11-05 19:58:43 -0600 |
|---|---|---|
| committer | Brandon Dahler <[email protected]> | 2013-11-08 18:03:46 -0600 |
| commit | b64187d05f327992c304836fe1fc1d276ec80c36 (patch) | |
| tree | 11db3ecf4745e4dd1ddb7b26b88e586ce9fa03bd /src/leveldb.cpp | |
| parent | Merge pull request #3223 from TheBlueMatt/master (diff) | |
| download | discoin-b64187d05f327992c304836fe1fc1d276ec80c36.tar.xz discoin-b64187d05f327992c304836fe1fc1d276ec80c36.zip | |
Rename leveldb.{h,cpp} to leveldbwrapper.{h,cpp}.
Diffstat (limited to 'src/leveldb.cpp')
| -rw-r--r-- | src/leveldb.cpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/leveldb.cpp b/src/leveldb.cpp deleted file mode 100644 index fb202367c..000000000 --- a/src/leveldb.cpp +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright (c) 2012 The Bitcoin developers -// Distributed under the MIT/X11 software license, see the accompanying -// file COPYING or http://www.opensource.org/licenses/mit-license.php. - -#include "leveldb.h" -#include "util.h" - -#include <leveldb/env.h> -#include <leveldb/cache.h> -#include <leveldb/filter_policy.h> -#include <memenv/memenv.h> - -#include <boost/filesystem.hpp> - -void HandleError(const leveldb::Status &status) throw(leveldb_error) { - if (status.ok()) - return; - LogPrintf("%s\n", status.ToString().c_str()); - if (status.IsCorruption()) - throw leveldb_error("Database corrupted"); - if (status.IsIOError()) - throw leveldb_error("Database I/O error"); - if (status.IsNotFound()) - throw leveldb_error("Database entry missing"); - throw leveldb_error("Unknown database error"); -} - -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; - return options; -} - -CLevelDB::CLevelDB(const boost::filesystem::path &path, size_t nCacheSize, bool fMemory, bool fWipe) { - penv = NULL; - readoptions.verify_checksums = true; - iteroptions.verify_checksums = true; - iteroptions.fill_cache = false; - syncoptions.sync = true; - options = GetOptions(nCacheSize); - options.create_if_missing = true; - if (fMemory) { - penv = leveldb::NewMemEnv(leveldb::Env::Default()); - options.env = penv; - } else { - if (fWipe) { - LogPrintf("Wiping LevelDB in %s\n", path.string().c_str()); - leveldb::DestroyDB(path.string(), options); - } - boost::filesystem::create_directory(path); - LogPrintf("Opening LevelDB in %s\n", path.string().c_str()); - } - leveldb::Status status = leveldb::DB::Open(options, path.string(), &pdb); - HandleError(status); - LogPrintf("Opened LevelDB successfully\n"); -} - -CLevelDB::~CLevelDB() { - delete pdb; - pdb = NULL; - delete options.filter_policy; - options.filter_policy = NULL; - delete options.block_cache; - options.block_cache = NULL; - delete penv; - options.env = NULL; -} - -bool CLevelDB::WriteBatch(CLevelDBBatch &batch, bool fSync) throw(leveldb_error) { - leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch); - HandleError(status); - return true; -} |