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// lasterror.cpp
/* Copyright 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/lasterror.h"
#include "mongo/db/jsobj.h"
#include "mongo/util/assert_util.h"
namespace mongo {
LastError LastError::noError;
const Client::Decoration<LastError> LastError::get = Client::declareDecoration<LastError>();
void LastError::reset(bool valid) {
*this = LastError();
_valid = valid;
}
void LastError::setLastError(int code, std::string msg) {
if (_disabled) {
return;
}
reset(true);
_code = code;
_msg = std::move(msg);
}
void LastError::recordUpdate(bool updateObjects, long long nObjects, BSONObj upsertedId) {
reset(true);
_nObjects = nObjects;
_updatedExisting = updateObjects ? True : False;
if (upsertedId.valid() && upsertedId.hasField(kUpsertedFieldName))
_upsertedId = upsertedId;
}
void LastError::recordDelete(long long nDeleted) {
reset(true);
_nObjects = nDeleted;
}
bool LastError::appendSelf(BSONObjBuilder& b, bool blankErr) const {
if (!_valid) {
if (blankErr)
b.appendNull("err");
b.append("n", 0);
return false;
}
if (_msg.empty()) {
if (blankErr) {
b.appendNull("err");
}
} else {
b.append("err", _msg);
}
if (_code)
b.append("code", _code);
if (_updatedExisting != NotUpdate)
b.appendBool("updatedExisting", _updatedExisting == True);
if (!_upsertedId.isEmpty()) {
b.append(_upsertedId[kUpsertedFieldName]);
}
b.appendNumber("n", _nObjects);
return !_msg.empty();
}
void LastError::disable() {
invariant(!_disabled);
_disabled = true;
_nPrev--; // caller is a command that shouldn't count as an operation
}
void LastError::startRequest() {
_disabled = false;
++_nPrev;
}
} // namespace mongo
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