/**
* Copyright (C) 2012 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 .
*
* 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/s/type_config_version.h"
#include "mongo/db/field_parser.h"
#include "mongo/util/mongoutils/str.h"
#include "mongo/util/version.h"
namespace mongo {
using std::string;
using mongoutils::str::stream;
const std::string VersionType::ConfigNS = "config.version";
const BSONField VersionType::minCompatibleVersion("minCompatibleVersion");
const BSONField VersionType::currentVersion("currentVersion");
const BSONField VersionType::excludingMongoVersions("excluding");
const BSONField VersionType::clusterId("clusterId");
const BSONField VersionType::upgradeId("upgradeId");
const BSONField VersionType::upgradeState("upgradeState");
VersionType::VersionType() {
clear();
}
VersionType::~VersionType() {
}
bool VersionType::isValid(std::string* errMsg) const {
std::string dummy;
if (errMsg == NULL) {
errMsg = &dummy;
}
// All the mandatory fields must be present.
if (!_isMinCompatibleVersionSet) {
*errMsg = stream() << "missing " << minCompatibleVersion.name() << " field";
return false;
}
if (!_isCurrentVersionSet) {
*errMsg = stream() << "missing " << currentVersion.name() << " field";
return false;
}
// Hardcoded 3 here because it's the last version without a cluster id
if (_currentVersion > 3 && !_isClusterIdSet) {
*errMsg = stream() << "missing " << clusterId.name() << " field";
return false;
}
return true;
}
BSONObj VersionType::toBSON() const {
BSONObjBuilder builder;
builder.append("_id", 1);
if (_isMinCompatibleVersionSet) {
builder.append(minCompatibleVersion(), _minCompatibleVersion);
}
if (_isCurrentVersionSet) builder.append(currentVersion(), _currentVersion);
if (_isExcludingMongoVersionsSet) {
builder.append(excludingMongoVersions(), _excludingMongoVersions);
}
if (_isClusterIdSet) builder.append(clusterId(), _clusterId);
if (_isUpgradeIdSet) {
builder.append(upgradeId(), _upgradeId);
builder.append(upgradeState(), _upgradeState);
}
return builder.obj();
}
bool VersionType::parseBSON(const BSONObj& source, string* errMsg) {
clear();
std::string dummy;
if (!errMsg) errMsg = &dummy;
FieldParser::FieldState fieldState;
fieldState = FieldParser::extractNumber(source, minCompatibleVersion,
&_minCompatibleVersion, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isMinCompatibleVersionSet = fieldState == FieldParser::FIELD_SET;
fieldState = FieldParser::extractNumber(source, currentVersion, &_currentVersion, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isCurrentVersionSet = fieldState == FieldParser::FIELD_SET;
if (!_isCurrentVersionSet && _isMinCompatibleVersionSet) {
_currentVersion = _minCompatibleVersion;
_isCurrentVersionSet = true;
}
fieldState = FieldParser::extract(source, excludingMongoVersions,
&_excludingMongoVersions, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isExcludingMongoVersionsSet = fieldState == FieldParser::FIELD_SET;
fieldState = FieldParser::extract(source, clusterId, &_clusterId, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isClusterIdSet = fieldState == FieldParser::FIELD_SET;
fieldState = FieldParser::extract(source, upgradeId, &_upgradeId, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isUpgradeIdSet = fieldState == FieldParser::FIELD_SET;
fieldState = FieldParser::extract(source, upgradeState, &_upgradeState, errMsg);
if (fieldState == FieldParser::FIELD_INVALID) return false;
_isUpgradeStateSet = fieldState == FieldParser::FIELD_SET;
return true;
}
void VersionType::clear() {
_minCompatibleVersion = -1;
_isMinCompatibleVersionSet = false;
_currentVersion = -1;
_isCurrentVersionSet = false;
_excludingMongoVersions = BSONArray();
_isExcludingMongoVersionsSet = false;
_clusterId = OID();
_isClusterIdSet = false;
_upgradeId = OID();
_isUpgradeIdSet = false;
_upgradeState = BSONObj();
_isUpgradeStateSet = false;
}
void VersionType::cloneTo(VersionType* other) const {
other->clear();
other->_minCompatibleVersion = _minCompatibleVersion;
other->_isMinCompatibleVersionSet = _isMinCompatibleVersionSet;
other->_currentVersion = _currentVersion;
other->_isCurrentVersionSet = _isCurrentVersionSet;
other->_excludingMongoVersions = _excludingMongoVersions;
other->_isExcludingMongoVersionsSet = _isExcludingMongoVersionsSet;
other->_clusterId = _clusterId;
other->_isClusterIdSet = _isClusterIdSet;
other->_upgradeId = _upgradeId;
other->_isUpgradeIdSet = _isUpgradeIdSet;
other->_upgradeState = _upgradeState;
other->_isUpgradeStateSet = _isUpgradeStateSet;
}
std::string VersionType::toString() const {
return toBSON().toString();
}
} // namespace mongo