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core(logger): add log level configuration option

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This commit is contained in:
Alexander Alekhin
2017-12-17 22:28:33 +00:00
parent cac4a7e5b5
commit b450811e4b
3 changed files with 128 additions and 19 deletions
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modules/core/include/opencv2/core/utils/logger.defines.hpp
+22
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@@ -0,0 +1,22 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_LOGGER_DEFINES_HPP
#define OPENCV_LOGGER_DEFINES_HPP
//! @addtogroup core_logging
//! @{
// Supported logging levels and their semantic
#define CV_LOG_LEVEL_SILENT 0 //!< for using in setLogLevel() call
#define CV_LOG_LEVEL_FATAL 1 //!< Fatal (critical) error (unrecoverable internal error)
#define CV_LOG_LEVEL_ERROR 2 //!< Error message
#define CV_LOG_LEVEL_WARN 3 //!< Warning message
#define CV_LOG_LEVEL_INFO 4 //!< Info message
#define CV_LOG_LEVEL_DEBUG 5 //!< Debug message. Disabled in the "Release" build.
#define CV_LOG_LEVEL_VERBOSE 6 //!< Verbose (trace) messages. Requires verbosity level. Disabled in the "Release" build.
//! @}
#endif // OPENCV_LOGGER_DEFINES_HPP
modules/core/include/opencv2/core/utils/logger.hpp
+21 -19
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@@ -2,14 +2,14 @@
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_LOGGING_HPP
#define OPENCV_LOGGING_HPP
#ifndef OPENCV_LOGGER_HPP
#define OPENCV_LOGGER_HPP
#include <iostream>
#include <sstream>
#include <limits.h> // INT_MAX
// TODO This file contains just interface part with implementation stubs.
#include "logger.defines.hpp"
//! @addtogroup core_logging
// This section describes OpenCV logging utilities.
@@ -20,15 +20,6 @@ namespace cv {
namespace utils {
namespace logging {
// Supported logging levels and their semantic
#define CV_LOG_LEVEL_SILENT 0 //!< for using in setLogVevel() call
#define CV_LOG_LEVEL_FATAL 1 //!< Fatal (critical) error (unrecoverable internal error)
#define CV_LOG_LEVEL_ERROR 2 //!< Error message
#define CV_LOG_LEVEL_WARN 3 //!< Warning message
#define CV_LOG_LEVEL_INFO 4 //!< Info message
#define CV_LOG_LEVEL_DEBUG 5 //!< Debug message. Disabled in the "Release" build.
#define CV_LOG_LEVEL_VERBOSE 6 //!< Verbose (trace) messages. Requires verbosity level. Disabled in the "Release" build.
//! Supported logging levels and their semantic
enum LogLevel {
LOG_LEVEL_SILENT = 0, //!< for using in setLogVevel() call
@@ -43,6 +34,17 @@ enum LogLevel {
#endif
};
/** Set global logging level
@return previous logging level
*/
CV_EXPORTS LogLevel setLogLevel(LogLevel logLevel);
/** Get global logging level */
CV_EXPORTS LogLevel getLogLevel();
namespace internal {
/** Write log message */
CV_EXPORTS void writeLogMessage(LogLevel logLevel, const char* message);
} // namespace
/**
* \def CV_LOG_STRIP_LEVEL
@@ -58,23 +60,23 @@ enum LogLevel {
#endif
#define CV_LOG_FATAL(tag, ...) for(;;) { std::stringstream ss; ss << "[FATAL:" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cerr << ss.str() << std::flush; break; }
#define CV_LOG_ERROR(tag, ...) for(;;) { std::stringstream ss; ss << "[ERROR:" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cerr << ss.str() << std::flush; break; }
#define CV_LOG_WARNING(tag, ...) for(;;) { std::stringstream ss; ss << "[ WARN:" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cout << ss.str() << std::flush; break; }
#define CV_LOG_FATAL(tag, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_FATAL) break; std::stringstream ss; ss << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_FATAL, ss.str().c_str()); break; }
#define CV_LOG_ERROR(tag, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_ERROR) break; std::stringstream ss; ss << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_ERROR, ss.str().c_str()); break; }
#define CV_LOG_WARNING(tag, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_WARNING) break; std::stringstream ss; ss << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_WARNING, ss.str().c_str()); break; }
#if CV_LOG_STRIP_LEVEL <= CV_LOG_LEVEL_INFO
#define CV_LOG_INFO(tag, ...)
#else
#define CV_LOG_INFO(tag, ...) for(;;) { std::stringstream ss; ss << "[ INFO:" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cout << ss.str(); break; }
#define CV_LOG_INFO(tag, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_INFO) break; std::stringstream ss; ss << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_INFO, ss.str().c_str()); break; }
#endif
#if CV_LOG_STRIP_LEVEL <= CV_LOG_LEVEL_DEBUG
#define CV_LOG_DEBUG(tag, ...)
#else
#define CV_LOG_DEBUG(tag, ...) for(;;) { std::stringstream ss; ss << "[DEBUG:" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cout << ss.str(); break; }
#define CV_LOG_DEBUG(tag, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_DEBUG) break; std::stringstream ss; ss << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_DEBUG, ss.str().c_str()); break; }
#endif
#if CV_LOG_STRIP_LEVEL <= CV_LOG_LEVEL_VERBOSE
#define CV_LOG_VERBOSE(tag, v, ...)
#else
#define CV_LOG_VERBOSE(tag, v, ...) for(;;) { std::stringstream ss; ss << "[VERB" << v << ":" << cv::utils::getThreadID() << "] " << __VA_ARGS__ << std::endl; std::cout << ss.str(); break; }
#define CV_LOG_VERBOSE(tag, v, ...) for(;;) { if (cv::utils::logging::getLogLevel() < cv::utils::logging::LOG_LEVEL_VERBOSE) break; std::stringstream ss; ss << "[VERB" << v << ":" << cv::utils::getThreadID() << "] " << __VA_ARGS__; cv::utils::logging::internal::writeLogMessage(cv::utils::logging::LOG_LEVEL_VERBOSE, ss.str().c_str()); break; }
#endif
@@ -82,4 +84,4 @@ enum LogLevel {
//! @}
#endif // OPENCV_LOGGING_HPP
#endif // OPENCV_LOGGER_HPP