mirror of https://github.com/facebook/rocksdb.git
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright (c) Meta Platforms, Inc. and affiliates.
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//
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#pragma once
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#include <stdarg.h>
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#include <stdio.h>
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#include "rocksdb/env.h"
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namespace ROCKSDB_NAMESPACE {
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// Prints logs to stderr for faster debugging
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class StderrLogger : public Logger {
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public:
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explicit StderrLogger(const InfoLogLevel log_level = InfoLogLevel::INFO_LEVEL)
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: Logger(log_level), log_prefix(nullptr) {}
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explicit StderrLogger(const InfoLogLevel log_level, const std::string prefix)
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: Logger(log_level),
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log_prefix(strdup(prefix.c_str())),
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log_prefix_len(strlen(log_prefix)) {}
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~StderrLogger() override;
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// Brings overloaded Logv()s into scope so they're not hidden when we override
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// a subset of them.
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using Logger::Logv;
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void Logv(const char* format, va_list ap) override;
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private:
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// This prefix will be appended after the time/thread info of every log
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const char* log_prefix;
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// The length of the log_prefix
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size_t log_prefix_len;
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};
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} // namespace ROCKSDB_NAMESPACE
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