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/**
* Copyright (C) 2021-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/client/sdam/sdam_test_base.h"
#include "mongo/client/sdam/server_description_builder.h"
#include "mongo/client/sdam/topology_description.h"
#include "mongo/client/sdam/topology_manager.h"
#include "mongo/client/streamable_replica_set_monitor_discovery_time_processor.h"
namespace mongo {
class PrimaryServerDiscoveryTime : public SdamTestFixture {
public:
const SdamConfiguration sdamConfiguration;
PrimaryServerDiscoveryTime() : sdamConfiguration(SdamConfiguration({{HostAndPort("s0")}})) {}
static inline const OID kOidOne{"000000000000000000000001"};
SdamServerSelector selector = SdamServerSelector(sdamConfiguration);
StreamableReplicaSetMonitor::StreamableReplicaSetMonitorDiscoveryTimeProcessor
_rsmTimeProcessor;
};
TEST_F(PrimaryServerDiscoveryTime, ShouldFilterByLastWriteTime2) {
TopologyStateMachine stateMachine(sdamConfiguration);
auto topologyDescription = std::make_shared<TopologyDescription>(sdamConfiguration);
const auto s0 = ServerDescriptionBuilder()
.withAddress(HostAndPort("s0"))
.withType(ServerType::kRSPrimary)
.withRtt(sdamConfiguration.getLocalThreshold())
.withSetName("set")
.withHost(HostAndPort("s0"))
.withHost(HostAndPort("s1"))
.withMinWireVersion(WireVersion::SUPPORTS_OP_MSG)
.withMaxWireVersion(WireVersion::LATEST_WIRE_VERSION)
.withElectionId(kOidOne)
.withSetVersion(100)
.instance();
stateMachine.onServerDescription(*topologyDescription, s0);
auto newTopology = TopologyDescription::clone(*topologyDescription);
const auto s1 = ServerDescriptionBuilder()
.withAddress(HostAndPort("s0"))
.withType(ServerType::kRSSecondary)
.withRtt(sdamConfiguration.getLocalThreshold())
.withSetName("set")
.withHost(HostAndPort("s0"))
.withHost(HostAndPort("s1"))
.withMinWireVersion(WireVersion::SUPPORTS_OP_MSG)
.withMaxWireVersion(WireVersion::LATEST_WIRE_VERSION)
.withElectionId(kOidOne)
.withSetVersion(100)
.instance();
stateMachine.onServerDescription(*newTopology, s1);
// no timer reset because primary server didn't change
auto beforeElapsedDuration = _rsmTimeProcessor.getPrimaryServerChangeElapsedTime();
sleepFor(Milliseconds(100));
_rsmTimeProcessor.onTopologyDescriptionChangedEvent(topologyDescription, topologyDescription);
auto afterElapsedDuration = _rsmTimeProcessor.getPrimaryServerChangeElapsedTime();
ASSERT_TRUE(afterElapsedDuration > beforeElapsedDuration);
// timer reset because of primary server change
beforeElapsedDuration = _rsmTimeProcessor.getPrimaryServerChangeElapsedTime();
sleepFor(Milliseconds(100));
_rsmTimeProcessor.onTopologyDescriptionChangedEvent(topologyDescription, newTopology);
afterElapsedDuration = _rsmTimeProcessor.getPrimaryServerChangeElapsedTime();
ASSERT_TRUE(afterElapsedDuration <
beforeElapsedDuration); // afterElapsedDuration was just reset
}
} // namespace mongo
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