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/**
* 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 <http://www.gnu.org/licenses/>.
*/
#include "mongo/db/index_builder.h"
#include "mongo/db/client.h"
#include "mongo/db/kill_current_op.h"
#include "mongo/db/repl/rs.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
AtomicUInt IndexBuilder::_indexBuildCount = 0;
IndexBuilder::IndexBuilder(const std::string ns, const BSONObj index) :
BackgroundJob(true /* self-delete */), _ns(ns), _index(index.getOwned()),
_name(str::stream() << "repl index builder " << (_indexBuildCount++).get()) {
}
IndexBuilder::~IndexBuilder() {}
std::string IndexBuilder::name() const {
return _name;
}
void IndexBuilder::run() {
LOG(2) << "building index " << _index << " on " << _ns << endl;
Client::initThread(name().c_str());
replLocalAuth();
Client::WriteContext ctx(_ns);
build();
cc().shutdown();
}
void IndexBuilder::build() const {
theDataFileMgr.insert(_ns.c_str(), _index.objdata(), _index.objsize(),
true /* mayInterrupt */);
}
std::vector<BSONObj> IndexBuilder::killMatchingIndexBuilds(const BSONObj& criteria) {
verify(Lock::somethingWriteLocked());
std::vector<BSONObj> indexes;
CurOp* op = NULL;
while ((op = CurOp::getOp(criteria)) != NULL) {
BSONObj index = op->query();
killCurrentOp.kill(op->opNum());
indexes.push_back(index);
}
if (indexes.size() > 0) {
log() << "halted " << indexes.size() << " index build(s)" << endl;
}
return indexes;
}
void IndexBuilder::restoreIndexes(const std::string& ns, const std::vector<BSONObj>& indexes) {
log() << "restarting " << indexes.size() << " index build(s)" << endl;
for (int i = 0; i < static_cast<int>(indexes.size()); i++) {
IndexBuilder* indexBuilder = new IndexBuilder(ns, indexes[i]);
// This looks like a memory leak, but indexBuilder deletes itself when it finishes
indexBuilder->go();
}
}
}
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