| // Licensed to the Apache Software Foundation (ASF) 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. |
| |
| #ifndef PARQUET_UTIL_LOGGING_H |
| #define PARQUET_UTIL_LOGGING_H |
| |
| #include <iostream> |
| |
| namespace parquet { |
| |
| // Stubbed versions of macros defined in glog/logging.h, intended for |
| // environments where glog headers aren't available. |
| // |
| // Add more as needed. |
| |
| // Log levels. LOG ignores them, so their values are abitrary. |
| |
| #define PARQUET_INFO 0 |
| #define PARQUET_WARNING 1 |
| #define PARQUET_ERROR 2 |
| #define PARQUET_FATAL 3 |
| |
| #define PARQUET_LOG_INTERNAL(level) parquet::internal::CerrLog(level) |
| #define PARQUET_LOG(level) PARQUET_LOG_INTERNAL(PARQUET_##level) |
| #define PARQUET_IGNORE_EXPR(expr) ((void)(expr)); |
| |
| #define PARQUET_CHECK(condition) \ |
| (condition) ? 0 : PARQUET_LOG(FATAL) << "Check failed: " #condition " " |
| |
| #ifdef NDEBUG |
| #define PARQUET_DFATAL PARQUET_WARNING |
| |
| #define DCHECK(condition) \ |
| PARQUET_IGNORE_EXPR(condition) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_EQ(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_NE(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_LE(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_LT(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_GE(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| #define DCHECK_GT(val1, val2) \ |
| PARQUET_IGNORE_EXPR(val1) \ |
| while (false) \ |
| parquet::internal::NullLog() |
| |
| #else |
| #define PARQUET_DFATAL PARQUET_FATAL |
| |
| #define DCHECK(condition) PARQUET_CHECK(condition) |
| #define DCHECK_EQ(val1, val2) PARQUET_CHECK((val1) == (val2)) |
| #define DCHECK_NE(val1, val2) PARQUET_CHECK((val1) != (val2)) |
| #define DCHECK_LE(val1, val2) PARQUET_CHECK((val1) <= (val2)) |
| #define DCHECK_LT(val1, val2) PARQUET_CHECK((val1) < (val2)) |
| #define DCHECK_GE(val1, val2) PARQUET_CHECK((val1) >= (val2)) |
| #define DCHECK_GT(val1, val2) PARQUET_CHECK((val1) > (val2)) |
| |
| #endif // NDEBUG |
| |
| namespace internal { |
| |
| class NullLog { |
| public: |
| template <class T> |
| NullLog& operator<<(const T& t) { |
| return *this; |
| } |
| }; |
| |
| class CerrLog { |
| public: |
| CerrLog(int severity) // NOLINT(runtime/explicit) |
| : severity_(severity), |
| has_logged_(false) {} |
| |
| ~CerrLog() { |
| if (has_logged_) { std::cerr << std::endl; } |
| if (severity_ == PARQUET_FATAL) { exit(1); } |
| } |
| |
| template <class T> |
| CerrLog& operator<<(const T& t) { |
| has_logged_ = true; |
| std::cerr << t; |
| return *this; |
| } |
| |
| private: |
| const int severity_; |
| bool has_logged_; |
| }; |
| |
| } // namespace internal |
| |
| } // namespace parquet |
| |
| #endif // PARQUET_UTIL_LOGGING_H |