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113 lines
3.0 KiB
113 lines
3.0 KiB
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "graph/buffer.h"
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#include "proto/ge_ir.pb.h"
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#include "framework/common/debug/ge_log.h"
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namespace ge {
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Buffer::Buffer() {
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data_.InitDefault();
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if (data_.GetProtoMsg()) {
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buffer_ = data_.GetProtoMsg()->mutable_bt();
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}
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}
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Buffer::Buffer(const Buffer &other) {
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// Share data
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data_ = other.data_;
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buffer_ = other.buffer_;
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}
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Buffer::Buffer(std::size_t buffer_size, std::uint8_t default_val) : Buffer() { // default
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auto proto_msg = data_.GetProtoMsg();
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if (proto_msg != nullptr) {
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try {
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proto_msg->set_bt(std::string(buffer_size, default_val));
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buffer_ = proto_msg->mutable_bt();
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} catch (std::bad_alloc &e) {
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GELOGE(MEMALLOC_FAILED, "Failed to alloc buffer memory, buffer size %zu", buffer_size);
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buffer_ = nullptr;
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}
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}
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}
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Buffer Buffer::CopyFrom(const std::uint8_t *data, std::size_t buffer_size) {
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Buffer buffer;
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auto proto_msg = buffer.data_.GetProtoMsg();
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if (proto_msg != nullptr && data != nullptr) {
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try {
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proto_msg->set_bt(data, buffer_size);
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buffer.buffer_ = proto_msg->mutable_bt();
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} catch (std::bad_alloc &e) {
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GELOGE(MEMALLOC_FAILED, "Failed to alloc buffer memory, buffer size %zu", buffer_size);
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buffer.buffer_ = nullptr;
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}
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}
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return buffer;
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}
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Buffer::Buffer(const std::shared_ptr<google::protobuf::Message> &proto_owner, proto::AttrDef *buffer)
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: data_(proto_owner, buffer) {
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if (data_.GetProtoMsg() != nullptr) {
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buffer_ = data_.GetProtoMsg()->mutable_bt();
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}
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}
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Buffer::Buffer(const std::shared_ptr<google::protobuf::Message> &proto_owner, std::string *buffer)
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: data_(proto_owner, nullptr) {
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buffer_ = buffer;
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}
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Buffer &Buffer::operator=(const Buffer &other) {
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if (&other != this) {
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// Share data
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data_ = other.data_;
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buffer_ = other.buffer_;
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}
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return *this;
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}
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const std::uint8_t *Buffer::GetData() const {
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if (buffer_ != nullptr) {
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return (const std::uint8_t *)buffer_->data();
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}
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return nullptr;
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}
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std::uint8_t *Buffer::GetData() {
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if (buffer_ != nullptr && !buffer_->empty()) {
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// Avoid copy on write
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(void)(*buffer_)[0];
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return reinterpret_cast<uint8_t *>(const_cast<char *>(buffer_->data()));
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}
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return nullptr;
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}
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std::size_t Buffer::GetSize() const {
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if (buffer_ != nullptr) {
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return buffer_->size();
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}
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return 0;
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}
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void Buffer::ClearBuffer() {
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if (buffer_ != nullptr) {
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buffer_->clear();
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}
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}
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} // namespace ge
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