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// 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
//
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#ifndef  BRPC_POLICY_LIST_NAMING_SERVICE
#define  BRPC_POLICY_LIST_NAMING_SERVICE

#include "brpc/naming_service.h"
#include "brpc/periodic_naming_service.h"


namespace brpc {
namespace policy {

class ListNamingService : public NamingService {
private:
    int RunNamingService(const char* service_name,
                         NamingServiceActions* actions) override;

    // We don't need a dedicated bthread to run this static NS.
    bool RunNamingServiceReturnsQuickly() override { return true; }
    
    int GetServers(const char *service_name,
                   std::vector<ServerNode>* servers);

    void Describe(std::ostream& os, const DescribeOptions& options) const override;

    NamingService* New() const override;
    
    void Destroy() override;
};

class DomainListNamingService : public PeriodicNamingService {
private:
    int GetServers(const char* service_name,
                   std::vector<ServerNode>* servers) override;
    void Describe(std::ostream& os,
                  const DescribeOptions& options) const override;

    NamingService* New() const override;

    void Destroy() override;
};

}  // namespace policy
} // namespace brpc


#endif  //BRPC_POLICY_LIST_NAMING_SERVICE
