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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/s/mock_ns_targeter.h"
namespace mongo {
namespace {
ChunkRange parseRange(const BSONObj& query) {
const StringData fieldName(query.firstElement().fieldName());
if (query.firstElement().isNumber()) {
return {BSON(fieldName << query.firstElement().numberInt()),
BSON(fieldName << query.firstElement().numberInt() + 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 {minKeyB.obj(), maxKeyB.obj()};
}
FAIL("Invalid query");
MONGO_UNREACHABLE;
}
} // namespace
MockNSTargeter::MockNSTargeter(const NamespaceString& nss, std::vector<MockRange> mockRanges)
: _nss(nss), _mockRanges(std::move(mockRanges)) {
ASSERT(_nss.isValid());
ASSERT(!_mockRanges.empty());
}
std::vector<ShardEndpoint> MockNSTargeter::_targetQuery(const BSONObj& query,
std::set<ChunkRange>* chunkRanges) const {
const ChunkRange queryRange(parseRange(query));
std::vector<ShardEndpoint> endpoints;
for (const auto& range : _mockRanges) {
if (queryRange.overlapWith(range.range)) {
endpoints.push_back(range.endpoint);
if (chunkRanges) {
chunkRanges->emplace(range.range);
}
}
}
uassert(ErrorCodes::UnknownError, "no mock ranges found for query", !endpoints.empty());
return endpoints;
}
void assertEndpointsEqual(const ShardEndpoint& endpointA, const ShardEndpoint& endpointB) {
ASSERT_EQUALS(endpointA.shardName, endpointB.shardName);
ASSERT_EQUALS(endpointA.shardVersion->placementVersion().toLong(),
endpointB.shardVersion->placementVersion().toLong());
ASSERT_EQUALS(endpointA.shardVersion->placementVersion().epoch(),
endpointB.shardVersion->placementVersion().epoch());
}
} // namespace mongo
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