SERVER-8598 Add command to cleanup orphaned data created by failed chunk migrations

Moved range deleter files from s/ to db/

1 files changed, 142 insertions, 0 deletions

diff --git a/src/mongo/db/range_deleter_mock_env.cpp b/src/mongo/db/range_deleter_mock_env.cpp
new file mode 100644
index 00000000000..7c20b25b447
--- /dev/null
+++ b/src/mongo/db/range_deleter_mock_env.cpp
@@ -0,0 +1,142 @@
+/**
+ *    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();
+        }
+    }
+}