/**
* Copyright (C) 2016 MongoDB 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/db/s/move_timing_helper.h"
#include "mongo/db/client.h"
#include "mongo/db/curop.h"
#include "mongo/s/grid.h"
#include "mongo/util/log.h"
namespace mongo {
MoveTimingHelper::MoveTimingHelper(OperationContext* txn,
const std::string& where,
const std::string& ns,
const BSONObj& min,
const BSONObj& max,
int totalNumSteps,
std::string* cmdErrmsg,
const ShardId& toShard,
const ShardId& fromShard)
: _txn(txn),
_where(where),
_ns(ns),
_to(toShard),
_from(fromShard),
_totalNumSteps(totalNumSteps),
_cmdErrmsg(cmdErrmsg),
_nextStep(0) {
_b.append("min", min);
_b.append("max", max);
}
MoveTimingHelper::~MoveTimingHelper() {
// even if logChange doesn't throw, bson does
// sigh
try {
if (_to.isValid()) {
_b.append("to", _to.toString());
}
if (_from.isValid()) {
_b.append("from", _from.toString());
}
if (_nextStep != _totalNumSteps) {
_b.append("note", "aborted");
} else {
_b.append("note", "success");
}
if (!_cmdErrmsg->empty()) {
_b.append("errmsg", *_cmdErrmsg);
}
grid.catalogClient(_txn)->logChange(
_txn, str::stream() << "moveChunk." << _where, _ns, _b.obj());
} catch (const std::exception& e) {
warning() << "couldn't record timing for moveChunk '" << _where << "': " << e.what();
}
}
void MoveTimingHelper::done(int step) {
invariant(step == ++_nextStep);
invariant(step <= _totalNumSteps);
const std::string s = str::stream() << "step " << step << " of " << _totalNumSteps;
CurOp* op = CurOp::get(_txn);
{
stdx::lock_guard lk(*_txn->getClient());
op->setMessage_inlock(s.c_str());
}
_b.appendNumber(s, _t.millis());
_t.reset();
}
} // namespace mongo