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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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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#include "storage/BinlogReader.h"
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namespace milvus::storage {
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Status
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BinlogReader::Read(int64_t nbytes, void* out) {
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auto remain = size_ - tell_;
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if (nbytes > remain) {
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return Status(SERVER_UNEXPECTED_ERROR, "out range of binlog data");
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}
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std::memcpy(out, data_.get() + tell_, nbytes);
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tell_ += nbytes;
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return Status(SERVER_SUCCESS, "");
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}
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std::pair<Status, std::shared_ptr<uint8_t[]>>
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BinlogReader::Read(int64_t nbytes) {
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auto remain = size_ - tell_;
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if (nbytes > remain) {
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return std::make_pair(
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Status(SERVER_UNEXPECTED_ERROR, "out range of binlog data"),
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nullptr);
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}
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auto deleter = [&](uint8_t*) {}; // avoid repeated deconstruction
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auto res = std::shared_ptr<uint8_t[]>(data_.get() + tell_, deleter);
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tell_ += nbytes;
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return std::make_pair(Status(SERVER_SUCCESS, ""), res);
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}
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} // namespace milvus::storage
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