// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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.

#include "obj_retry_strategy.h"

#include <aws/core/http/HttpResponse.h>

#include <bvar/reducer.h>

namespace doris {

bvar::Adder<int64_t> s3_too_many_request_retry_cnt("s3_too_many_request_retry_cnt");

S3CustomRetryStrategy::S3CustomRetryStrategy(int maxRetries) : DefaultRetryStrategy(maxRetries) {}

S3CustomRetryStrategy::~S3CustomRetryStrategy() = default;

bool S3CustomRetryStrategy::ShouldRetry(const Aws::Client::AWSError<Aws::Client::CoreErrors>& error,

                                        long attemptedRetries) const {

    if (attemptedRetries >= m_maxRetries) {

        return false;

    }

    if (Aws::Http::IsRetryableHttpResponseCode(error.GetResponseCode()) || error.ShouldRetry()) {

        s3_too_many_request_retry_cnt << 1;

        return true;

    }

    return false;

}

#ifdef USE_AZURE

AzureRetryRecordPolicy::AzureRetryRecordPolicy(int retry_cnt) : retry_cnt(retry_cnt) {}

AzureRetryRecordPolicy::~AzureRetryRecordPolicy() = default;

std::unique_ptr<Azure::Core::Http::RawResponse> AzureRetryRecordPolicy::Send(

        Azure::Core::Http::Request& request, Azure::Core::Http::Policies::NextHttpPolicy nextPolicy,

        Azure::Core::Context const& context) const {

    auto resp = nextPolicy.Send(request, context);

    if (retry_cnt != 0 &&

        resp->GetStatusCode() == Azure::Core::Http::HttpStatusCode::TooManyRequests) {

        retry_cnt--;

        s3_too_many_request_retry_cnt << 1;

    }

    return resp;

}

std::unique_ptr<AzureRetryRecordPolicy::HttpPolicy> AzureRetryRecordPolicy::Clone() const {

    auto ret = std::make_unique<AzureRetryRecordPolicy>(*this);

    ret->retry_cnt = 0;

    return ret;

}

#endif

} // namespace doris