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#ifndef GRPC_TEST_CPP_INTEROP_INTEROP_CLIENT_H
#define GRPC_TEST_CPP_INTEROP_INTEROP_CLIENT_H

#include <memory>

#include <grpc/grpc.h>
#include <grpc++/channel.h>
#include "test/proto/messages.grpc.pb.h"

namespace grpc {
namespace testing {

class InteropClient {
 public:
  explicit InteropClient(std::shared_ptr<Channel> channel);
  ~InteropClient() {}

  void Reset(std::shared_ptr<Channel> channel) { channel_ = channel; }

  void DoEmpty();
  void DoLargeUnary();
  void DoLargeCompressedUnary();
  void DoPingPong();
  void DoHalfDuplex();
  void DoRequestStreaming();
  void DoResponseStreaming();
  void DoResponseCompressedStreaming();
  void DoResponseStreamingWithSlowConsumer();
  void DoCancelAfterBegin();
  void DoCancelAfterFirstResponse();
  void DoTimeoutOnSleepingServer();
  void DoStatusWithMessage();
  // Auth tests.
  // username is a string containing the user email
  void DoJwtTokenCreds(const grpc::string& username);
  void DoComputeEngineCreds(const grpc::string& default_service_account,
                            const grpc::string& oauth_scope);
  // username is a string containing the user email
  void DoServiceAccountCreds(const grpc::string& username,
                             const grpc::string& oauth_scope);
  // username is a string containing the user email
  void DoOauth2AuthToken(const grpc::string& username,
                         const grpc::string& oauth_scope);
  // username is a string containing the user email
  void DoPerRpcCreds(const grpc::string& username,
                     const grpc::string& oauth_scope);

 private:
  void PerformLargeUnary(SimpleRequest* request, SimpleResponse* response);
  void AssertOkOrPrintErrorStatus(const Status& s);

  std::shared_ptr<Channel> channel_;
};

}  // namespace testing
}  // namespace grpc

#endif  // GRPC_TEST_CPP_INTEROP_INTEROP_CLIENT_H