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Paddle/paddle/fluid/operators/distributed/brpc/brpc_variable_response.cc

74 lines
2.1 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.
//
#include "paddle/fluid/operators/distributed/brpc/brpc_variable_response.h"
#include "paddle/fluid/operators/distributed/send_recv.pb.h"
namespace paddle {
namespace operators {
namespace distributed {
namespace pb = ::google::protobuf;
using vr = ::sendrecv::VariableMessage;
int BRPCVariableResponse::Parse(Source* source) {
pb::io::ZeroCopyInputStream* input_stream = source->contents();
pb::io::CodedInputStream input(input_stream);
input.SetTotalBytesLimit(INT_MAX, INT_MAX);
while (1) {
unsigned int tag = 0;
if (!input.ReadLittleEndian32(&tag)) {
break;
}
uint64_t num_bytes = 0;
if (!input.ReadLittleEndian64(&num_bytes)) {
break;
}
int field = static_cast<int>(tag);
int ret = field == 0 ? -1 : field;
switch (field) {
case vr::kSerializedFieldNumber: {
if (!ProcSerializedField(field, &input, num_bytes)) {
return ret;
}
break;
}
case vr::kRowsFieldNumber: {
PADDLE_ENFORCE((meta_.type() == sendrecv::SELECTED_ROWS ||
meta_.type() == sendrecv::LOD_TENSOR) &&
meta_.varname() != "",
"meta info should be got first!");
if (!CopySelectRowsData(&input, *dev_ctx_, num_bytes)) {
return ret;
}
break;
}
default: {
PADDLE_ENFORCE(false, "not surpported %u fieldnumber", field);
return ret;
}
}
}
return 0;
}
} // namespace distributed
} // namespace operators
} // namespace paddle