1 /* 2 * Copyright (c) 2017, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __DRM_LOGGER_H__ 31 #define __DRM_LOGGER_H__ 32 33 #include <utility> 34 35 namespace drm_utils { 36 37 class DRMLogger { 38 public: ~DRMLogger()39 virtual ~DRMLogger() {} 40 virtual void Error(const char *format, ...) = 0; 41 virtual void Warning(const char *format, ...) = 0; 42 virtual void Info(const char *format, ...) = 0; 43 virtual void Debug(const char *format, ...) = 0; 44 Set(DRMLogger * logger)45 static void Set(DRMLogger *logger) { s_instance = logger; } Get()46 static DRMLogger *Get() { return s_instance; } 47 48 private: 49 static DRMLogger *s_instance; 50 }; 51 52 #define DRM_LOG(method, format, ...) \ 53 if (drm_utils::DRMLogger::Get()) { \ 54 drm_utils::DRMLogger::Get()->method(format, ##__VA_ARGS__); \ 55 } 56 57 #define DRM_LOG_CONTEXT(method, format, ...) \ 58 DRM_LOG(method, __CLASS__ "::%s: " format, __FUNCTION__, ##__VA_ARGS__); 59 60 #define DRM_LOGE(format, ...) DRM_LOG_CONTEXT(Error, format, ##__VA_ARGS__) 61 #define DRM_LOGW(format, ...) DRM_LOG_CONTEXT(Warning, format, ##__VA_ARGS__) 62 #define DRM_LOGI(format, ...) DRM_LOG_CONTEXT(Info, format, ##__VA_ARGS__) 63 #define DRM_LOGD_IF(pred, format, ...) \ 64 if (pred) \ 65 DRM_LOG_CONTEXT(Debug, format, ##__VA_ARGS__) 66 67 } // namespace drm_utils 68 69 #endif // __DRM_LOGGER_H__ 70