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
35namespace drm_utils {
36
37class DRMLogger {
38 public:
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
45  static void Set(DRMLogger *logger) { s_instance = logger; }
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