The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 1 | /* utils/logger.h |
| 2 | ** |
| 3 | ** Copyright 2007, The Android Open Source Project |
| 4 | ** |
| 5 | ** This file is dual licensed. It may be redistributed and/or modified |
| 6 | ** under the terms of the Apache 2.0 License OR version 2 of the GNU |
| 7 | ** General Public License. |
| 8 | */ |
| 9 | |
| 10 | #ifndef _UTILS_LOGGER_H |
| 11 | #define _UTILS_LOGGER_H |
| 12 | |
| 13 | #include <stdint.h> |
| 14 | |
| 15 | struct logger_entry { |
| 16 | uint16_t len; /* length of the payload */ |
| 17 | uint16_t __pad; /* no matter what, we get 2 bytes of padding */ |
| 18 | int32_t pid; /* generating process's pid */ |
| 19 | int32_t tid; /* generating process's tid */ |
| 20 | int32_t sec; /* seconds since Epoch */ |
| 21 | int32_t nsec; /* nanoseconds */ |
| 22 | char msg[0]; /* the entry's payload */ |
| 23 | }; |
| 24 | |
| 25 | #define LOGGER_LOG_MAIN "log/main" |
| 26 | #define LOGGER_LOG_RADIO "log/radio" |
| 27 | #define LOGGER_LOG_EVENTS "log/events" |
Joe Onorato | e2bf2ea | 2010-03-01 09:11:54 -0800 | [diff] [blame] | 28 | #define LOGGER_LOG_SYSTEM "log/system" |
The Android Open Source Project | dd7bc33 | 2009-03-03 19:32:55 -0800 | [diff] [blame] | 29 | |
| 30 | #define LOGGER_ENTRY_MAX_LEN (4*1024) |
| 31 | #define LOGGER_ENTRY_MAX_PAYLOAD \ |
| 32 | (LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry)) |
| 33 | |
| 34 | #ifdef HAVE_IOCTL |
| 35 | |
| 36 | #include <sys/ioctl.h> |
| 37 | |
| 38 | #define __LOGGERIO 0xAE |
| 39 | |
| 40 | #define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */ |
| 41 | #define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */ |
| 42 | #define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */ |
| 43 | #define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */ |
| 44 | |
| 45 | #endif // HAVE_IOCTL |
| 46 | |
| 47 | #endif /* _UTILS_LOGGER_H */ |