curve/test/client/backoff_test.cpp

114 lines
4.0 KiB
C++

/*
* Copyright (c) 2020 NetEase Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Project: curve
* File Created: Statday, 26th Oct 2019 3:24:40 pm
* Author: tongguangxun
*/
#include <glog/logging.h>
#include <gtest/gtest.h>
#include "src/client/chunk_closure.h"
#include "src/client/config_info.h"
namespace curve {
namespace client {
TEST(ClientClosure, OverLoadBackOffTest) {
FailureRequestOption failopt;
failopt.chunkserverMaxRetrySleepIntervalUS = 8000000;
failopt.chunkserverOPRetryIntervalUS = 500000;
ClientClosure::SetFailureRequestOption(failopt);
for (int i = 1; i < 1000; i++) {
if (i < ClientClosure::backoffParam_.maxOverloadPow) {
uint64_t curTime =
failopt.chunkserverOPRetryIntervalUS * std::pow(2, i);
ASSERT_LE(ClientClosure::OverLoadBackOff(i),
curTime + 0.1 * curTime);
ASSERT_GE(ClientClosure::OverLoadBackOff(i),
curTime - 0.1 * curTime);
} else {
ASSERT_LE(ClientClosure::OverLoadBackOff(i),
failopt.chunkserverMaxRetrySleepIntervalUS +
0.1 * failopt.chunkserverMaxRetrySleepIntervalUS);
ASSERT_GE(ClientClosure::OverLoadBackOff(i),
failopt.chunkserverMaxRetrySleepIntervalUS -
0.1 * failopt.chunkserverMaxRetrySleepIntervalUS);
}
}
failopt.chunkserverMaxRetrySleepIntervalUS = 64000000;
failopt.chunkserverOPRetryIntervalUS = 500000;
ClientClosure::SetFailureRequestOption(failopt);
for (int i = 1; i < 1000; i++) {
if (i < ClientClosure::backoffParam_.maxOverloadPow) {
uint64_t curTime =
failopt.chunkserverOPRetryIntervalUS * std::pow(2, i);
ASSERT_LE(ClientClosure::OverLoadBackOff(i),
curTime + 0.1 * curTime);
ASSERT_GE(ClientClosure::OverLoadBackOff(i),
curTime - 0.1 * curTime);
} else {
ASSERT_LE(ClientClosure::OverLoadBackOff(i),
failopt.chunkserverMaxRetrySleepIntervalUS +
0.1 * failopt.chunkserverMaxRetrySleepIntervalUS);
ASSERT_GE(ClientClosure::OverLoadBackOff(i),
failopt.chunkserverMaxRetrySleepIntervalUS -
0.1 * failopt.chunkserverMaxRetrySleepIntervalUS);
}
}
}
TEST(ClientClosure, TimeoutBackOffTest) {
FailureRequestOption failopt;
failopt.chunkserverMaxRPCTimeoutMS = 3000;
failopt.chunkserverRPCTimeoutMS = 500;
ClientClosure::SetFailureRequestOption(failopt);
for (int i = 1; i < 1000; i++) {
if (i < ClientClosure::backoffParam_.maxTimeoutPow) {
uint64_t curTime = failopt.chunkserverRPCTimeoutMS * std::pow(2, i);
ASSERT_EQ(ClientClosure::TimeoutBackOff(i), curTime);
} else {
ASSERT_EQ(ClientClosure::TimeoutBackOff(i), 2000);
}
}
failopt.chunkserverMaxRPCTimeoutMS = 4000;
failopt.chunkserverRPCTimeoutMS = 500;
ClientClosure::SetFailureRequestOption(failopt);
for (int i = 1; i < 1000; i++) {
if (i < ClientClosure::backoffParam_.maxTimeoutPow) {
uint64_t curTime = failopt.chunkserverRPCTimeoutMS * std::pow(2, i);
ASSERT_EQ(ClientClosure::TimeoutBackOff(i), curTime);
} else {
ASSERT_EQ(ClientClosure::TimeoutBackOff(i), 4000);
}
}
}
} // namespace client
} // namespace curve