tfrt_prediction_service_impl.h

/* Copyright 2022 Google Inc. 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 TENSORFLOW_SERVING_MODEL_SERVERS_TFRT_PREDICTION_SERVICE_IMPL_H_
#define TENSORFLOW_SERVING_MODEL_SERVERS_TFRT_PREDICTION_SERVICE_IMPL_H_
 
#include "tensorflow_serving/apis/prediction_service.grpc.pb.h"
#include "tensorflow_serving/model_servers/prediction_service_util.h"
 
namespace tensorflow {
namespace serving {
 
class TfrtPredictionServiceImpl final
    : public PredictionService::Service {
 public:
  explicit TfrtPredictionServiceImpl(const PredictionServiceOptions& options)
      : core_(options.server_core),
        enforce_session_run_timeout_(options.enforce_session_run_timeout),
        thread_pool_factory_(options.thread_pool_factory) {}
 
  ::grpc::Status Predict(::grpc::ServerContext* context,
                         const PredictRequest* request,
                         PredictResponse* response) override;
 
  ::grpc::Status GetModelMetadata(::grpc::ServerContext* context,
                                  const GetModelMetadataRequest* request,
                                  GetModelMetadataResponse* response) override;
 
  ::grpc::Status Classify(::grpc::ServerContext* context,
                          const ClassificationRequest* request,
                          ClassificationResponse* response) override;
 
  ::grpc::Status Regress(::grpc::ServerContext* context,
                         const RegressionRequest* request,
                         RegressionResponse* response) override;
 
  ::grpc::Status MultiInference(::grpc::ServerContext* context,
                                const MultiInferenceRequest* request,
                                MultiInferenceResponse* response) override;
 
 private:
  absl::Time GetRequestDeadline(::grpc::ServerContext* context) const;
 
  ServerCore* core_;
  const bool enforce_session_run_timeout_;
  ThreadPoolFactory* thread_pool_factory_;
};
 
}  // namespace serving
}  // namespace tensorflow
 
#endif  // TENSORFLOW_SERVING_MODEL_SERVERS_TFRT_PREDICTION_SERVICE_IMPL_H_