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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
// lasterror.h
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/**
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* Copyright (C) 2009 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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#pragma once
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#include <boost/thread/tss.hpp>
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namespace mongo {
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class BSONObjBuilder;
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struct LastError {
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string msg;
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enum { NotUpdate, True, False } updatedExisting;
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int nObjects;
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int nPrev;
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bool valid;
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void raiseError(const char *_msg) {
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reset( true );
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msg = _msg;
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}
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void recordUpdate( bool _updatedExisting ) {
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reset( true );
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nObjects = 1;
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updatedExisting = _updatedExisting ? True : False;
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}
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void recordDelete( int nDeleted ) {
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reset( true );
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nObjects = nDeleted;
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}
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LastError() {
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reset();
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}
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void reset( bool _valid = false ) {
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msg.clear();
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updatedExisting = NotUpdate;
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nObjects = 0;
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nPrev = 1;
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valid = _valid;
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}
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void appendSelf( BSONObjBuilder &b );
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static LastError noError;
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};
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extern boost::thread_specific_ptr<LastError> lastError;
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inline void raiseError(const char *msg) {
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LastError *le = lastError.get();
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if ( le == 0 ) {
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DEV log() << "warning: lastError==0 can't report:" << msg << '\n';
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return;
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}
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le->raiseError(msg);
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}
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inline void recordUpdate( bool updatedExisting ) {
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LastError *le = lastError.get();
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if ( le )
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le->recordUpdate( updatedExisting );
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}
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inline void recordDelete( int nDeleted ) {
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LastError *le = lastError.get();
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if ( le )
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le->recordDelete( nDeleted );
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}
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} // namespace mongo
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