mirror of https://github.com/facebook/rocksdb.git
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
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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 "port/sys_time.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) {}
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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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virtual void Logv(const char* format, va_list ap) override {
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const uint64_t thread_id = Env::Default()->GetThreadID();
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port::TimeVal now_tv;
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port::GetTimeOfDay(&now_tv, nullptr);
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const time_t seconds = now_tv.tv_sec;
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struct tm t;
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port::LocalTimeR(&seconds, &t);
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fprintf(stderr, "%04d/%02d/%02d-%02d:%02d:%02d.%06d %llx ",
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t.tm_year + 1900, t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min,
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t.tm_sec, static_cast<int>(now_tv.tv_usec),
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static_cast<long long unsigned int>(thread_id));
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vfprintf(stderr, format, ap);
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fprintf(stderr, "\n");
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}
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};
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} // namespace ROCKSDB_NAMESPACE
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