text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * 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
   *
   * 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.
   */
  
  /*!
   * \file rpc_local_session.h
   * \brief Local session that directs all request to the local runtime API.
   */
  #ifndef TVM_RUNTIME_RPC_RPC_LOCAL_SESSION_H_
  #define TVM_RUNTIME_RPC_RPC_LOCAL_SESSION_H_
  
  #include <tvm/runtime/device_api.h>
  #include <tvm/runtime/packed_func.h>
  
  #include <functional>
  #include <string>
  #include <utility>
  
  #include "rpc_session.h"
  
  namespace tvm {
  namespace runtime {
  
  /*!
   * \brief A local session that directly use the handle repr of the
   *        local tvm runtime objects on the same process.
   */
  class LocalSession : public RPCSession {
   public:
    // function overrides
    PackedFuncHandle GetFunction(const std::string& name) override;
  
    void CallFunc(PackedFuncHandle func, const TVMValue* arg_values, const int* arg_type_codes,
                  int num_args, const FEncodeReturn& fencode_return) override;
  
    void CopyToRemote(void* from_bytes, DLTensor* to, uint64_t nbytes) override;
  
    void CopyFromRemote(DLTensor* from, void* to_bytes, uint64_t nbytes) override;
  
    void FreeHandle(void* handle, int type_code) override;
  
    DeviceAPI* GetDeviceAPI(Device dev, bool allow_missing = false) override;
  
    bool IsLocalSession() const override { return true; }
  
   protected:
    /*!
     * \brief internal encode return fucntion.
     * \param rv The return value.
     * \param encode_return The encoding function.
     */
    void EncodeReturn(TVMRetValue rv, const FEncodeReturn& encode_return);
  };
  
  }  // namespace runtime
  }  // namespace tvm
  #endif  // TVM_RUNTIME_RPC_RPC_LOCAL_SESSION_H_
  