milvus/internal/core/src/storage/BinlogReader.h
Enwei Jiao c3f15c6b95
Refactor duplicate error class into one place (#26985)
Signed-off-by: Enwei Jiao <enwei.jiao@zilliz.com>
2023-09-11 20:43:17 +08:00

53 lines
1.4 KiB
C++

// Licensed to the LF AI & Data foundation 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.
#pragma once
#include <memory>
#include <utility>
#include "common/EasyAssert.h"
namespace milvus::storage {
class BinlogReader {
public:
explicit BinlogReader(const std::shared_ptr<uint8_t[]> binlog_data,
int64_t length)
: data_(binlog_data), size_(length), tell_(0) {
}
SegcoreError
Read(int64_t nbytes, void* out);
std::pair<SegcoreError, std::shared_ptr<uint8_t[]>>
Read(int64_t nbytes);
int64_t
Tell() const {
return tell_;
}
private:
std::shared_ptr<uint8_t[]> data_;
int64_t size_;
int64_t tell_;
};
using BinlogReaderPtr = std::shared_ptr<BinlogReader>;
} // namespace milvus::storage