SERVER-28155 Move ChunkManagerTargeter in the sharding commands library

1 files changed, 0 insertions, 218 deletions

diff --git a/src/mongo/s/mock_ns_targeter.h b/src/mongo/s/mock_ns_targeter.h
deleted file mode 100644
index 44bc5be18c2..00000000000
--- a/src/mongo/s/mock_ns_targeter.h
+++ /dev/null
@@ -1,218 +0,0 @@
-/**
- *    Copyright (C) 2013 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 <http://www.gnu.org/licenses/>.
- *
- *    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.
- */
-
-#pragma once
-
-#include "mongo/base/owned_pointer_vector.h"
-#include "mongo/bson/bsonobj.h"
-#include "mongo/bson/bsonobjbuilder.h"
-#include "mongo/db/range_arithmetic.h"
-#include "mongo/s/ns_targeter.h"
-#include "mongo/unittest/unittest.h"
-
-namespace mongo {
-
-/**
- * A MockRange represents a range with endpoint that a MockNSTargeter uses to direct writes to
- * a particular endpoint.
- */
-struct MockRange {
-    MockRange(const ShardEndpoint& endpoint,
-              const NamespaceString nss,
-              const BSONObj& minKey,
-              const BSONObj& maxKey)
-        : endpoint(endpoint), range(nss.ns(), minKey, maxKey, getKeyPattern(minKey)) {}
-
-    MockRange(const ShardEndpoint& endpoint, const KeyRange& range)
-        : endpoint(endpoint), range(range) {}
-
-    static BSONObj getKeyPattern(const BSONObj& key) {
-        BSONObjIterator it(key);
-        BSONObjBuilder objB;
-        while (it.more())
-            objB.append(it.next().fieldName(), 1);
-        return objB.obj();
-    }
-
-    const ShardEndpoint endpoint;
-    const KeyRange range;
-};
-
-/**
- * A MockNSTargeter directs writes to particular endpoints based on a list of MockRanges given
- * to the mock targeter on initialization.
- *
- * No refreshing behavior is currently supported.
- */
-class MockNSTargeter : public NSTargeter {
-public:
-    void init(const std::vector<MockRange*> mockRanges) {
-        ASSERT(!mockRanges.empty());
-        _mockRanges.mutableVector().insert(
-            _mockRanges.mutableVector().end(), mockRanges.begin(), mockRanges.end());
-        _nss = NamespaceString(_mockRanges.vector().front()->range.ns);
-    }
-
-    const NamespaceString& getNS() const {
-        return _nss;
-    }
-
-    /**
-     * Returns a ShardEndpoint for the doc from the mock ranges
-     */
-    Status targetInsert(OperationContext* txn, const BSONObj& doc, ShardEndpoint** endpoint) const {
-        std::vector<ShardEndpoint*> endpoints;
-        Status status = targetQuery(doc, &endpoints);
-        if (!status.isOK())
-            return status;
-        if (!endpoints.empty())
-            *endpoint = endpoints.front();
-        return Status::OK();
-    }
-
-    /**
-     * Returns the first ShardEndpoint for the query from the mock ranges.  Only can handle
-     * queries of the form { field : { $gte : <value>, $lt : <value> } }.
-     */
-    Status targetUpdate(OperationContext* txn,
-                        const BatchedUpdateDocument& updateDoc,
-                        std::vector<ShardEndpoint*>* endpoints) const {
-        return targetQuery(updateDoc.getQuery(), endpoints);
-    }
-
-    /**
-     * Returns the first ShardEndpoint for the query from the mock ranges.  Only can handle
-     * queries of the form { field : { $gte : <value>, $lt : <value> } }.
-     */
-    Status targetDelete(OperationContext* txn,
-                        const BatchedDeleteDocument& deleteDoc,
-                        std::vector<ShardEndpoint*>* endpoints) const {
-        return targetQuery(deleteDoc.getQuery(), endpoints);
-    }
-
-    Status targetCollection(std::vector<ShardEndpoint*>* endpoints) const {
-        // TODO: XXX
-        // No-op
-        return Status::OK();
-    }
-
-    Status targetAllShards(std::vector<ShardEndpoint*>* endpoints) const {
-        const std::vector<MockRange*>& ranges = getRanges();
-        for (std::vector<MockRange*>::const_iterator it = ranges.begin(); it != ranges.end();
-             ++it) {
-            const MockRange* range = *it;
-            endpoints->push_back(new ShardEndpoint(range->endpoint));
-        }
-
-        return Status::OK();
-    }
-
-    void noteCouldNotTarget() {
-        // No-op
-    }
-
-    void noteStaleResponse(const ShardEndpoint& endpoint, const BSONObj& staleInfo) {
-        // No-op
-    }
-
-    Status refreshIfNeeded(OperationContext* txn, bool* wasChanged) {
-        // No-op
-        if (wasChanged)
-            *wasChanged = false;
-        return Status::OK();
-    }
-
-    const std::vector<MockRange*>& getRanges() const {
-        return _mockRanges.vector();
-    }
-
-private:
-    KeyRange parseRange(const BSONObj& query) const {
-        std::string fieldName = query.firstElement().fieldName();
-
-        if (query.firstElement().isNumber()) {
-            return KeyRange("",
-                            BSON(fieldName << query.firstElement().numberInt()),
-                            BSON(fieldName << query.firstElement().numberInt() + 1),
-                            BSON(fieldName << 1));
-        } else if (query.firstElement().type() == Object) {
-            BSONObj queryRange = query.firstElement().Obj();
-
-            ASSERT(!queryRange[GTE.l_].eoo());
-            ASSERT(!queryRange[LT.l_].eoo());
-
-            BSONObjBuilder minKeyB;
-            minKeyB.appendAs(queryRange[GTE.l_], fieldName);
-            BSONObjBuilder maxKeyB;
-            maxKeyB.appendAs(queryRange[LT.l_], fieldName);
-
-            return KeyRange("", minKeyB.obj(), maxKeyB.obj(), BSON(fieldName << 1));
-        }
-
-        ASSERT(false);
-        return KeyRange("", BSONObj(), BSONObj(), BSONObj());
-    }
-
-    /**
-     * Returns the first ShardEndpoint for the query from the mock ranges.  Only can handle
-     * queries of the form { field : { $gte : <value>, $lt : <value> } }.
-     */
-    Status targetQuery(const BSONObj& query, std::vector<ShardEndpoint*>* endpoints) const {
-        KeyRange queryRange = parseRange(query);
-
-        const std::vector<MockRange*>& ranges = getRanges();
-        for (std::vector<MockRange*>::const_iterator it = ranges.begin(); it != ranges.end();
-             ++it) {
-            const MockRange* range = *it;
-
-            if (rangeOverlaps(queryRange.minKey,
-                              queryRange.maxKey,
-                              range->range.minKey,
-                              range->range.maxKey)) {
-                endpoints->push_back(new ShardEndpoint(range->endpoint));
-            }
-        }
-
-        if (endpoints->empty())
-            return Status(ErrorCodes::UnknownError, "no mock ranges found for query");
-        return Status::OK();
-    }
-
-    NamespaceString _nss;
-
-    // Manually-stored ranges
-    OwnedPointerVector<MockRange> _mockRanges;
-};
-
-inline void assertEndpointsEqual(const ShardEndpoint& endpointA, const ShardEndpoint& endpointB) {
-    ASSERT_EQUALS(endpointA.shardName, endpointB.shardName);
-    ASSERT_EQUALS(endpointA.shardVersion.toLong(), endpointB.shardVersion.toLong());
-    ASSERT_EQUALS(endpointA.shardVersion.epoch(), endpointB.shardVersion.epoch());
-}
-
-}  // namespace mongo