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112d44d9e2
Signed-off-by:wenlong12 <wenlong12@huawei.com> Signed-off-by: wenlong12 <wenlong12@huawei.com>
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
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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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#ifndef LIBBPF_LOGGER_H
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#define LIBBPF_LOGGER_H
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#include <memory>
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#include <string>
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#include <unistd.h>
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#include <fcntl.h>
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#include "libbpf.h"
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class LIBBPFLogger {
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public:
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~LIBBPFLogger()
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{
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if (fd_ >= 0) {
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close(fd_);
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}
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}
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static std::unique_ptr<LIBBPFLogger> MakeUnique(const std::string& logFile, int logLevel);
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int Printf(int logLevel, const char* format, va_list args);
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enum Constants:int {
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MAX_LIBBPF_LOG_LEN = 1024,
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};
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private:
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LIBBPFLogger(int logLevel):logLevel_ {logLevel} {}
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int OpenLogFile(const std::string& logFile);
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std::string GetLogFileName() const;
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const int logLevel_ {LIBBPF_DEBUG};
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int fd_ {-1};
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};
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#endif |