EVOLUTION-MANAGER

Edit File: service_interface.h

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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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,
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==============================================================================*/

#ifndef TENSORFLOW_COMPILER_XLA_SERVICE_INTERFACE_H_
#define TENSORFLOW_COMPILER_XLA_SERVICE_INTERFACE_H_

#include "tensorflow/compiler/xla/status.h"
#include "tensorflow/compiler/xla/xla.pb.h"
#include "tensorflow/compiler/xla/xla_data.pb.h"

namespace xla {

// Defines the interface for an XLA service on the client side. This service
// helps abstract around the actual implementation of a service - the service
// can be local (running in the same process), or remote - in which case an RPC
// stub is used as the implementation.
class ServiceInterface {
 public:
  ServiceInterface() {}
  virtual ~ServiceInterface() = default;

// TODO(b/31824348): Convert to use StatusOr.
  virtual Status TransferToClient(const TransferToClientRequest* arg,
                                  TransferToClientResponse* result) = 0;

virtual Status TransferToServer(const TransferToServerRequest* arg,
                                  TransferToServerResponse* result) = 0;

virtual Status TransferToInfeed(const TransferToInfeedRequest* arg,
                                  TransferToInfeedResponse* result) = 0;

virtual Status TransferFromOutfeed(const TransferFromOutfeedRequest* arg,
                                     TransferFromOutfeedResponse* result) = 0;

virtual Status ResetDevice(const ResetDeviceRequest* arg,
                             ResetDeviceResponse* result) = 0;

virtual Status Compile(const CompileRequest* arg,
                         CompileResponse* result) = 0;

virtual Status Execute(const ExecuteRequest* arg,
                         ExecuteResponse* result) = 0;

virtual Status ExecuteGraphParallel(const ExecuteGraphParallelRequest* arg,
                                      ExecuteParallelResponse* result) = 0;

virtual Status WaitForExecution(const WaitForExecutionRequest* arg,
                                  WaitForExecutionResponse* result) = 0;

virtual Status DeconstructTuple(const DeconstructTupleRequest* arg,
                                  DeconstructTupleResponse* result) = 0;

virtual Status GetComputationGraphStats(
      const ComputationGraphStatsRequest* arg,
      ComputationStatsResponse* result) = 0;

virtual Status GetShape(const GetShapeRequest* arg,
                          GetShapeResponse* result) = 0;

virtual Status CreateChannelHandle(const CreateChannelHandleRequest* arg,
                                     CreateChannelHandleResponse* result) = 0;

virtual Status GetDeviceHandles(const GetDeviceHandlesRequest* arg,
                                  GetDeviceHandlesResponse* result) = 0;

virtual Status ComputeConstantGraph(const ComputeConstantGraphRequest* arg,
                                      ComputeConstantResponse* result) = 0;

// Methods used by GlobalData.
  virtual Status Unregister(const UnregisterRequest* arg,
                            UnregisterResponse* result) = 0;
};

}  // namespace xla

#endif  // TENSORFLOW_COMPILER_XLA_SERVICE_INTERFACE_H_