const std::string LMDBEngine::Stats()
{
MDB_stat stat;
MDB_txn* txn;
int rc = mdb_txn_begin(m_env, NULL, 0, &txn);
if (0 == rc)
{
mdb_stat(txn, m_dbi, &stat);
mdb_txn_commit(txn);
std::string stat_info;
stat_info.append("lmdb version:").append(mdb_version(NULL, NULL, NULL)).append("\r\n");
stat_info.append("db page size:").append(stringfromll(stat.ms_psize)).append("\r\n");
stat_info.append("b-tree depath:").append(stringfromll(stat.ms_depth)).append("\r\n");
stat_info.append("branch pages:").append(stringfromll(stat.ms_branch_pages)).append("\r\n");
stat_info.append("leaf pages:").append(stringfromll(stat.ms_leaf_pages)).append("\r\n");
stat_info.append("overflow oages:").append(stringfromll(stat.ms_overflow_pages)).append("\r\n");
stat_info.append("data items:").append(stringfromll(stat.ms_entries));
return stat_info;
}
else
{
return "Failed to get lmdb's stats";
}
}
void setupExportMisc(Handle<Object> exports) {
Local<Object> versionObj = Nan::New<Object>();
int major, minor, patch;
char *str = mdb_version(&major, &minor, &patch);
versionObj->Set(Nan::New<String>("versionString").ToLocalChecked(), Nan::New<String>(str).ToLocalChecked());
versionObj->Set(Nan::New<String>("major").ToLocalChecked(), Nan::New<Integer>(major));
versionObj->Set(Nan::New<String>("minor").ToLocalChecked(), Nan::New<Integer>(minor));
versionObj->Set(Nan::New<String>("patch").ToLocalChecked(), Nan::New<Integer>(patch));
exports->Set(Nan::New<String>("version").ToLocalChecked(), versionObj);
}
int
mdb_back_initialize(
BackendInfo *bi )
{
int rc;
static const char * const controls[] = {
LDAP_CONTROL_ASSERT,
LDAP_CONTROL_MANAGEDSAIT,
LDAP_CONTROL_NOOP,
LDAP_CONTROL_PAGEDRESULTS,
LDAP_CONTROL_PRE_READ,
LDAP_CONTROL_POST_READ,
LDAP_CONTROL_SUBENTRIES,
LDAP_CONTROL_X_PERMISSIVE_MODIFY,
#ifdef LDAP_X_TXN
LDAP_CONTROL_X_TXN_SPEC,
#endif
NULL
};
/* initialize the underlying database system */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_back_initialize) ": initialize "
MDB_UCTYPE " backend\n" );
bi->bi_flags |=
SLAP_BFLAG_INCREMENT |
SLAP_BFLAG_SUBENTRIES |
SLAP_BFLAG_ALIASES |
SLAP_BFLAG_REFERRALS;
bi->bi_controls = controls;
{ /* version check */
int major, minor, patch, ver;
char *version = mdb_version( &major, &minor, &patch );
ver = (major << 24) | (minor << 16) | patch;
if( ver != MDB_VERSION_FULL ) {
/* fail if a versions don't match */
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(mdb_back_initialize) ": "
"MDB library version mismatch:"
" expected " MDB_VERSION_STRING ","
" got %s\n", version );
return -1;
}
Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_back_initialize)
": %s\n", version );
}
bi->bi_open = 0;
bi->bi_close = 0;
bi->bi_config = 0;
bi->bi_destroy = 0;
bi->bi_db_init = mdb_db_init;
bi->bi_db_config = config_generic_wrapper;
bi->bi_db_open = mdb_db_open;
bi->bi_db_close = mdb_db_close;
bi->bi_db_destroy = mdb_db_destroy;
bi->bi_op_add = mdb_add;
bi->bi_op_bind = mdb_bind;
bi->bi_op_compare = mdb_compare;
bi->bi_op_delete = mdb_delete;
bi->bi_op_modify = mdb_modify;
bi->bi_op_modrdn = mdb_modrdn;
bi->bi_op_search = mdb_search;
bi->bi_op_unbind = 0;
bi->bi_extended = mdb_extended;
bi->bi_chk_referrals = 0;
bi->bi_operational = mdb_operational;
bi->bi_has_subordinates = mdb_hasSubordinates;
bi->bi_entry_release_rw = mdb_entry_release;
bi->bi_entry_get_rw = mdb_entry_get;
/*
* hooks for slap tools
*/
bi->bi_tool_entry_open = mdb_tool_entry_open;
bi->bi_tool_entry_close = mdb_tool_entry_close;
bi->bi_tool_entry_first = backend_tool_entry_first;
bi->bi_tool_entry_first_x = mdb_tool_entry_first_x;
bi->bi_tool_entry_next = mdb_tool_entry_next;
bi->bi_tool_entry_get = mdb_tool_entry_get;
bi->bi_tool_entry_put = mdb_tool_entry_put;
bi->bi_tool_entry_reindex = mdb_tool_entry_reindex;
bi->bi_tool_sync = 0;
bi->bi_tool_dn2id_get = mdb_tool_dn2id_get;
bi->bi_tool_entry_modify = mdb_tool_entry_modify;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
rc = mdb_back_init_cf( bi );
return rc;
}
