aliyun-openapi-cpp-sdk/core/include/alibabacloud/core/EndpointProvider.h

/*
* Copyright 1999-2019 Alibaba Cloud All rights reserved.
*
* 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.
*/

#ifndef CORE_INCLUDE_ALIBABACLOUD_CORE_ENDPOINTPROVIDER_H_
#define CORE_INCLUDE_ALIBABACLOUD_CORE_ENDPOINTPROVIDER_H_

#include <alibabacloud/core/location/LocationClient.h>
#include <alibabacloud/core/CoreClient.h>
#include <string>
#include <chrono>
#include <list>
#include <map>
#include <memory>
#include <mutex>

namespace AlibabaCloud {
class ALIBABACLOUD_CORE_EXPORT EndpointProvider :
    public Location::LocationClient {
 public:
  typedef Outcome<Error, std::string> EndpointOutcome;

  EndpointProvider(
    const std::shared_ptr<Location::LocationClient>& locationClient,
    const std::string regionId,
    const std::string product,
    const std::string serviceCode = std::string(),
    int durationSeconds = 3600);

  EndpointProvider(
    const Credentials &credentials,
    const ClientConfiguration &configuration,
    const std::string &regionId,
    const std::string &product,
    const std::string &serviceCode = std::string(),
    int durationSeconds = 3600);
  ~EndpointProvider();

  EndpointOutcome getEndpoint();
  using LocationClient::describeEndpoints;

 private:
  EndpointOutcome loadRemoteEndpoint();
  bool checkExpiry()const;

  bool loadLocalProductsInfo();
  std::string localEndpoint(const std::string regionId,
    const std::string product);

  std::mutex cachedMutex_;
  std::string cachedEndpoint_;
  int durationSeconds_;
  std::chrono::system_clock::time_point expiry_;
  std::string regionId_;
  std::string product_;
  std::string serviceCode_;
};
}  // namespace AlibabaCloud
#endif  // CORE_INCLUDE_ALIBABACLOUD_CORE_ENDPOINTPROVIDER_H_