• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef CHRE_HOST_LOG_H_
18 #define CHRE_HOST_LOG_H_
19 
20 #define LOG_TAG "CHRE"
21 #include <utils/Log.h>
22 
23 /**
24  * Logs a message to both logcat and stdout. Don't use this directly; prefer one
25  * of LOGE, LOGW, etc. to populate the level.
26  *
27  * @param level log level to pass to ALOG (LOG_ERROR, LOG_WARN, etc.)
28  * @param format printf-style format string
29  */
30 #define CHRE_LOG(level, format, ...)                 \
31     do {                                             \
32         ALOG(level, LOG_TAG, format, ##__VA_ARGS__); \
33         printf("%s:%d : " format "\n", __func__, __LINE__, ##__VA_ARGS__); \
34     } while (0)
35 
36 #define LOGE(format, ...) CHRE_LOG(LOG_ERROR,   format, ##__VA_ARGS__)
37 #define LOGW(format, ...) CHRE_LOG(LOG_WARN,    format, ##__VA_ARGS__)
38 #define LOGI(format, ...) CHRE_LOG(LOG_INFO,    format, ##__VA_ARGS__)
39 #define LOGD(format, ...) CHRE_LOG(LOG_DEBUG,   format, ##__VA_ARGS__)
40 #define LOGV(format, ...) CHRE_LOG(LOG_VERBOSE, format, ##__VA_ARGS__)
41 
42 /**
43  * Helper to log a library error with a human-readable version of the provided
44  * error code.
45  *
46  * @param message Error message string to log
47  * @param error_code Standard error code number (EINVAL, etc)
48  */
49 #define LOG_ERROR(message, error_code)                              \
50     do {                                                            \
51         char error_string[64];                                      \
52         strerror_r(error_code, error_string, sizeof(error_string)); \
53         LOGE("%s: %s (%d)\n", message, error_string, error_code);   \
54     } while (0)
55 
56 #endif  // CHRE_HOST_LOG_H_
57