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/**
* Copyright (C) 2013 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/range_deleter_mock_env.h"
namespace mongo {
bool DeletedRangeCmp::operator()(const DeletedRange& lhs,
const DeletedRange& rhs) const {
const int nsComp = lhs.ns.compare(rhs.ns);
if (nsComp < 0) {
return true;
}
if (nsComp > 0) {
return false;
}
return compareRanges(lhs.min, lhs.max, rhs.min, rhs.max) < 0;
}
RangeDeleterMockEnv::RangeDeleterMockEnv():
_deleteListMutex("delList"),
_cursorMapMutex("cursorMap"),
_pauseDeleteMutex("pauseDelete"),
_pauseDelete(false),
_pausedCount(0),
_envStatMutex("envStat"),
_getCursorsCallCount(0) {
}
void RangeDeleterMockEnv::addCursorId(const StringData& ns, CursorId id) {
scoped_lock sl(_cursorMapMutex);
_cursorMap[ns.toString()].insert(id);
}
void RangeDeleterMockEnv::removeCursorId(const StringData& ns, CursorId id) {
scoped_lock sl(_cursorMapMutex);
_cursorMap[ns.toString()].erase(id);
}
void RangeDeleterMockEnv::pauseDeletes() {
scoped_lock sl(_pauseDeleteMutex);
_pauseDelete = true;
}
void RangeDeleterMockEnv::resumeOneDelete() {
scoped_lock sl(_pauseDeleteMutex);
_pauseDelete = false;
_pausedCV.notify_one();
}
void RangeDeleterMockEnv::waitForNthGetCursor(uint64_t nthCall) {
scoped_lock sl(_envStatMutex);
while (_getCursorsCallCount < nthCall) {
_cursorsCallCountUpdatedCV.wait(sl.boost());
}
}
void RangeDeleterMockEnv::waitForNthPausedDelete(uint64_t nthPause) {
scoped_lock sl(_pauseDeleteMutex);
while(_pausedCount < nthPause) {
_pausedDeleteChangeCV.wait(sl.boost());
}
}
bool RangeDeleterMockEnv::deleteOccured() const {
scoped_lock sl(_deleteListMutex);
return !_deleteList.empty();
}
DeletedRange RangeDeleterMockEnv::getLastDelete() const {
scoped_lock sl(_deleteListMutex);
return _deleteList.back();
}
bool RangeDeleterMockEnv::deleteRange(const StringData& ns,
const BSONObj& min,
const BSONObj& max,
const BSONObj& shardKeyPattern,
bool secondaryThrottle,
string* errMsg) {
{
scoped_lock sl(_pauseDeleteMutex);
bool wasInitiallyPaused = _pauseDelete;
if (_pauseDelete) {
_pausedCount++;
_pausedDeleteChangeCV.notify_one();
}
while (_pauseDelete) {
_pausedCV.wait(sl.boost());
}
_pauseDelete = wasInitiallyPaused;
}
{
scoped_lock sl(_deleteListMutex);
DeletedRange entry;
entry.ns = ns.toString();
entry.min = min.getOwned();
entry.max = max.getOwned();
entry.shardKeyPattern = shardKeyPattern.getOwned();
_deleteList.push_back(entry);
}
return true;
}
void RangeDeleterMockEnv::getCursorIds(const StringData& ns, set<CursorId>* in) {
{
scoped_lock sl(_cursorMapMutex);
const set<CursorId>& _cursors = _cursorMap[ns.toString()];
std::copy(_cursors.begin(), _cursors.end(), inserter(*in, in->begin()));
}
{
scoped_lock sl(_envStatMutex);
_getCursorsCallCount++;
_cursorsCallCountUpdatedCV.notify_one();
}
}
}
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