mirror of
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122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
// database.cpp
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/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pch.h"
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#include "pdfile.h"
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#include "database.h"
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#include "instance.h"
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namespace mongo {
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bool Database::_openAllFiles = false;
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Database::Database(const char *nm, bool& newDb, const string& _path )
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: name(nm), path(_path), namespaceIndex( path, name ) {
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{ // check db name is valid
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size_t L = strlen(nm);
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uassert( 10028 , "db name is empty", L > 0 );
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uassert( 10029 , "bad db name [1]", *nm != '.' );
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uassert( 10030 , "bad db name [2]", nm[L-1] != '.' );
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uassert( 10031 , "bad char(s) in db name", strchr(nm, ' ') == 0 );
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uassert( 10032 , "db name too long", L < 64 );
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}
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newDb = namespaceIndex.exists();
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profile = 0;
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profileName = name + ".system.profile";
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{
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vector<string> others;
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getDatabaseNames( others , path );
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for ( unsigned i=0; i<others.size(); i++ ){
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if ( strcasecmp( others[i].c_str() , nm ) )
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continue;
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if ( strcmp( others[i].c_str() , nm ) == 0 )
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continue;
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stringstream ss;
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ss << "db already exists with different case other: [" << others[i] << "] me [" << nm << "]";
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uasserted( 13297 , ss.str() );
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}
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}
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// If already exists, open. Otherwise behave as if empty until
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// there's a write, then open.
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if ( ! newDb || cmdLine.defaultProfile ) {
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namespaceIndex.init();
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if( _openAllFiles )
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openAllFiles();
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}
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magic = 781231;
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}
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bool Database::setProfilingLevel( int newLevel , string& errmsg ){
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if ( profile == newLevel )
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return true;
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if ( newLevel < 0 || newLevel > 2 ){
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errmsg = "profiling level has to be >=0 and <= 2";
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return false;
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}
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if ( newLevel == 0 ){
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profile = 0;
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return true;
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}
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assert( cc().database() == this );
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if ( ! namespaceIndex.details( profileName.c_str() ) ){
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log(1) << "creating profile ns: " << profileName << endl;
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BSONObjBuilder spec;
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spec.appendBool( "capped", true );
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spec.append( "size", 131072.0 );
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if ( ! userCreateNS( profileName.c_str(), spec.done(), errmsg , true ) ){
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return false;
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}
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}
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profile = newLevel;
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return true;
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}
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void Database::finishInit(){
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if ( cmdLine.defaultProfile == profile )
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return;
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string errmsg;
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massert( 12506 , errmsg , setProfilingLevel( cmdLine.defaultProfile , errmsg ) );
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}
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bool Database::validDBName( const string& ns ){
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if ( ns.size() == 0 || ns.size() > 64 )
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return false;
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size_t good = strcspn( ns.c_str() , "/\\. \"" );
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return good == ns.size();
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}
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} // namespace mongo
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