void CBDB_Env::Open(const string& db_home, int flags)
{
int ret = x_Open(db_home.c_str(), flags);
BDB_CHECK(ret, "DB_ENV");
SetDirectDB(m_DirectDB);
SetDirectLog(m_DirectLOG);
}
const string &
CSeqDBGiMask::GetDesc(int algo_id,
CSeqDBLockHold & locked)
{
//m_Atlas.Lock(locked);
x_Open(algo_id);
return m_Desc;
}
void
CSeqDBGiMask::GetMaskData(int algo_id,
TGi gi,
CSeqDB::TSequenceRanges &ranges,
CSeqDBLockHold &locked)
{
//m_Atlas.Lock(locked);
x_Open(algo_id);
int page, vol, off;
if (s_BinarySearch(m_GiIndex, m_NumIndex, GI_TO(int, gi), page)) {
vol = m_GiIndex[m_NumIndex + page * 2];
off = m_GiIndex[m_NumIndex + page * 2 + 1];
} else {
void CBDB_Env::OpenWithTrans(const string& db_home, TEnvOpenFlags opt)
{
int ret = m_Env->set_lk_detect(m_Env, DB_LOCK_DEFAULT);
BDB_CHECK(ret, "DB_ENV");
if (m_MaxLockObjects) {
this->SetMaxLockObjects(m_MaxLockObjects);
}
if (m_MaxLocks) {
this->SetMaxLocks(m_MaxLocks);
}
if (m_MaxLockers) {
this->SetMaxLockers(m_MaxLockers);
}
int flag = DB_INIT_TXN |
DB_CREATE | DB_INIT_LOCK | DB_INIT_MPOOL;
// for windows we try to init environment in system memory
// (not file based)
// so it is reclaimed by OS automatically even if the application crashes
# ifdef NCBI_OS_MSWIN
flag |= DB_SYSTEM_MEM;
# endif
if (opt & eThreaded) {
flag |= DB_THREAD;
}
if (opt & ePrivate) {
flag |= DB_PRIVATE;
}
// Run recovery procedure, reinitialize the environment
if (opt & eRunRecovery) {
// use private environment as prescribed by "db_recover" utility
int recover_flag = flag | DB_RECOVER | DB_CREATE;
if (!(recover_flag & DB_SYSTEM_MEM)) {
recover_flag |= DB_PRIVATE;
}
ret = x_Open(db_home.c_str(), recover_flag);
BDB_CHECK(ret, "DB_ENV");
// non-private recovery
if (!(recover_flag & DB_PRIVATE)) {
m_Transactional = true;
return;
}
// "Private" recovery requires reopening, to make
// it available for other programs
ret = m_Env->close(m_Env, 0);
BDB_CHECK(ret, "DB_ENV");
ret = db_env_create(&m_Env, 0);
BDB_CHECK(ret, "DB_ENV");
} else
if (opt & eRunRecoveryFatal) {
// use private environment as prescribed by "db_recover" utility
int recover_flag = flag | DB_RECOVER_FATAL | DB_CREATE;
if (!(recover_flag & DB_SYSTEM_MEM)) {
recover_flag |= DB_PRIVATE;
}
ret = x_Open(db_home.c_str(), recover_flag);
BDB_CHECK(ret, "DB_ENV");
// non-private recovery
if (!(recover_flag & DB_PRIVATE)) {
m_Transactional = true;
return;
}
// "Private" recovery requires reopening, to make
// it available for other programs
ret = m_Env->close(m_Env, 0);
BDB_CHECK(ret, "DB_ENV");
ret = db_env_create(&m_Env, 0);
BDB_CHECK(ret, "DB_ENV");
}
Open(db_home, flag);
m_Transactional = true;
}
void CBDB_Env::OpenPrivate(const string& db_home)
{
int ret = x_Open(db_home.c_str(),
DB_CREATE|DB_THREAD|DB_PRIVATE|DB_INIT_MPOOL);
BDB_CHECK(ret, "DB_ENV");
}
