Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012-2014 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 _LOGD_LOG_BUFFER_H__ |
| 18 | #define _LOGD_LOG_BUFFER_H__ |
| 19 | |
| 20 | #include <sys/types.h> |
| 21 | |
| 22 | #include <log/log.h> |
| 23 | #include <sysutils/SocketClient.h> |
| 24 | #include <utils/List.h> |
| 25 | |
| 26 | #include "LogBufferElement.h" |
| 27 | #include "LogTimes.h" |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 28 | #include "LogStatistics.h" |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 29 | #include "LogWhiteBlackList.h" |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 30 | |
| 31 | typedef android::List<LogBufferElement *> LogBufferElementCollection; |
| 32 | |
| 33 | class LogBuffer { |
| 34 | LogBufferElementCollection mLogElements; |
| 35 | pthread_mutex_t mLogElementsLock; |
| 36 | |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 37 | LogStatistics stats; |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 38 | |
Mark Salyzyn | e457b74 | 2014-02-19 17:18:31 -0800 | [diff] [blame] | 39 | bool dgram_qlen_statistics; |
| 40 | |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 41 | PruneList mPrune; |
| 42 | |
| 43 | unsigned long mMaxSize[LOG_ID_MAX]; |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 44 | |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 45 | public: |
| 46 | LastLogTimes &mTimes; |
| 47 | |
| 48 | LogBuffer(LastLogTimes *times); |
| 49 | |
Mark Salyzyn | 7e2f83c | 2014-03-05 07:41:49 -0800 | [diff] [blame] | 50 | void log(log_id_t log_id, log_time realtime, |
Mark Salyzyn | b992d0d | 2014-03-20 16:09:38 -0700 | [diff] [blame] | 51 | uid_t uid, pid_t pid, pid_t tid, |
| 52 | const char *msg, unsigned short len); |
Mark Salyzyn | 7e2f83c | 2014-03-05 07:41:49 -0800 | [diff] [blame] | 53 | log_time flushTo(SocketClient *writer, const log_time start, |
| 54 | bool privileged, |
| 55 | bool (*filter)(const LogBufferElement *element, void *arg) = NULL, |
| 56 | void *arg = NULL); |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 57 | |
| 58 | void clear(log_id_t id); |
| 59 | unsigned long getSize(log_id_t id); |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 60 | int setSize(log_id_t id, unsigned long size); |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 61 | unsigned long getSizeUsed(log_id_t id); |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 62 | // *strp uses malloc, use free to release. |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 63 | void formatStatistics(char **strp, uid_t uid, unsigned int logMask); |
| 64 | |
Mark Salyzyn | e457b74 | 2014-02-19 17:18:31 -0800 | [diff] [blame] | 65 | void enableDgramQlenStatistics() { |
| 66 | stats.enableDgramQlenStatistics(); |
| 67 | dgram_qlen_statistics = true; |
| 68 | } |
| 69 | |
Mark Salyzyn | dfa7a07 | 2014-02-11 12:29:31 -0800 | [diff] [blame] | 70 | int initPrune(char *cp) { return mPrune.init(cp); } |
| 71 | // *strp uses malloc, use free to release. |
| 72 | void formatPrune(char **strp) { mPrune.format(strp); } |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 73 | |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 74 | // helper |
| 75 | char *pidToName(pid_t pid) { return stats.pidToName(pid); } |
Mark Salyzyn | 4ba0387 | 2014-04-07 07:15:33 -0700 | [diff] [blame] | 76 | uid_t pidToUid(pid_t pid) { return stats.pidToUid(pid); } |
Mark Salyzyn | 9a03863 | 2014-04-07 07:05:40 -0700 | [diff] [blame] | 77 | |
Mark Salyzyn | 0175b07 | 2014-02-26 09:50:16 -0800 | [diff] [blame] | 78 | private: |
| 79 | void maybePrune(log_id_t id); |
| 80 | void prune(log_id_t id, unsigned long pruneRows); |
| 81 | |
| 82 | }; |
| 83 | |
Mark Salyzyn | 34facab | 2014-02-06 14:48:50 -0800 | [diff] [blame] | 84 | #endif // _LOGD_LOG_BUFFER_H__ |