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Paddle/paddle/fluid/operators/detail/variable_response.h

85 lines
2.7 KiB

// Copyright (c) 2018 PaddlePaddle Authors. 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.
#pragma once
#include <string>
#include "paddle/fluid/framework/data_type.h"
#include "paddle/fluid/framework/lod_tensor.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/framework/selected_rows.h"
#include "paddle/fluid/framework/var_type.h"
#include "paddle/fluid/operators/detail/send_recv.grpc.pb.h"
#include "paddle/fluid/operators/detail/send_recv.pb.h"
#include "google/protobuf/io/coded_stream.h"
#include "google/protobuf/io/zero_copy_stream.h"
#include "paddle/fluid/framework/tensor.h"
#include "paddle/fluid/operators/detail/bytebuffer_stream.h"
namespace paddle {
namespace operators {
namespace detail {
class VariableResponse {
public:
VariableResponse(const framework::Scope* scope,
const platform::DeviceContext* dev_ctx)
: scope_(scope), dev_ctx_(dev_ctx) {}
virtual ~VariableResponse() {}
// return:
// 0:ok.
// -1: unkown error.
// other: number of error field.
int Parse(Source* source);
// return:
// 0:ok.
// -1: unkown error.
// other: number of error field.
int Parse(const ::grpc::ByteBuffer& byte_buffer);
inline std::string Varname() { return meta_.varname(); }
inline std::string OutVarname() { return meta_.out_varname(); }
// should call parse first.
framework::Variable* GetVar() { return scope_->FindVar(meta_.varname()); }
private:
bool CopySelectRowsTensorData(::google::protobuf::io::CodedInputStream* input,
const platform::DeviceContext& ctx,
const framework::DDim& dims, int length);
bool CopySelectRowsData(::google::protobuf::io::CodedInputStream* input,
const platform::DeviceContext& ctx, int length);
bool CopyLodTensorData(::google::protobuf::io::CodedInputStream* input,
const platform::DeviceContext& ctx,
const framework::DDim& dims, int length);
private:
const framework::Scope* scope_;
const platform::DeviceContext* dev_ctx_;
// only Skeleton
sendrecv::VariableMessage meta_;
};
}; // namespace detail
}; // namespace operators
}; // namespace paddle