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Merge pull request #1997 from Diapolo/bdb_open

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simplify CDBEnv::Open() / fix small glitches
This commit is contained in:
Pieter Wuille 2012-11-11 03:16:52 -08:00
commit 537c890f24
2 changed files with 7 additions and 10 deletions
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12
src/db.cpp
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@ -55,7 +55,7 @@ void CDBEnv::Close()
EnvShutdown();
}
bool CDBEnv::Open(boost::filesystem::path pathEnv_)
bool CDBEnv::Open(const boost::filesystem::path& path)
{
if (fDbEnvInit)
return true;
@ -63,18 +63,16 @@ bool CDBEnv::Open(boost::filesystem::path pathEnv_)
if (fShutdown)
return false;
pathEnv = pathEnv_;
filesystem::path pathDataDir = pathEnv;
filesystem::path pathLogDir = pathDataDir / "database";
filesystem::path pathLogDir = path / "database";
filesystem::create_directory(pathLogDir);
filesystem::path pathErrorFile = pathDataDir / "db.log";
filesystem::path pathErrorFile = path / "db.log";
printf("dbenv.open LogDir=%s ErrorFile=%s\n", pathLogDir.string().c_str(), pathErrorFile.string().c_str());
unsigned int nEnvFlags = 0;
if (GetBoolArg("-privdb", true))
nEnvFlags |= DB_PRIVATE;
int nDbCache = GetArg("-dbcache", 25);
unsigned int nDbCache = GetArg("-dbcache", 25);
dbenv.set_lg_dir(pathLogDir.string().c_str());
dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
dbenv.set_lg_bsize(1048576);
@ -85,7 +83,7 @@ bool CDBEnv::Open(boost::filesystem::path pathEnv_)
dbenv.set_flags(DB_AUTO_COMMIT, 1);
dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
int ret = dbenv.open(pathDataDir.string().c_str(),
int ret = dbenv.open(path.string().c_str(),
DB_CREATE |
DB_INIT_LOCK |
DB_INIT_LOG |

5
src/db.h
View File

@ -33,7 +33,6 @@ class CDBEnv
private:
bool fDbEnvInit;
bool fMockDb;
boost::filesystem::path pathEnv;
void EnvShutdown();
@ -46,7 +45,7 @@ public:
CDBEnv();
~CDBEnv();
void MakeMock();
bool IsMock() { return fMockDb; };
bool IsMock() { return fMockDb; }
/*
* Verify that database file strFile is OK. If it is not,
@ -66,7 +65,7 @@ public:
typedef std::pair<std::vector<unsigned char>, std::vector<unsigned char> > KeyValPair;
bool Salvage(std::string strFile, bool fAggressive, std::vector<KeyValPair>& vResult);
bool Open(boost::filesystem::path pathEnv_);
bool Open(const boost::filesystem::path &path);
void Close();
void Flush(bool fShutdown);
void CheckpointLSN(std::string strFile);