10175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn/* 20175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * Copyright (C) 2012-2014 The Android Open Source Project 30175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * 40175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * Licensed under the Apache License, Version 2.0 (the "License"); 50175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * you may not use this file except in compliance with the License. 60175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * You may obtain a copy of the License at 70175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * 80175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * http://www.apache.org/licenses/LICENSE-2.0 90175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * 100175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * Unless required by applicable law or agreed to in writing, software 110175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * distributed under the License is distributed on an "AS IS" BASIS, 120175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * See the License for the specific language governing permissions and 140175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn * limitations under the License. 150175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn */ 160175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 170175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#ifndef _LOGD_LOG_BUFFER_H__ 180175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#define _LOGD_LOG_BUFFER_H__ 190175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 200175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include <sys/types.h> 210175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 220175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include <log/log.h> 230175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include <sysutils/SocketClient.h> 240175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include <utils/List.h> 250175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 261a240b47903c0dc3d7f23b609b6520f17f11b953Mark Salyzyn#include <private/android_filesystem_config.h> 271a240b47903c0dc3d7f23b609b6520f17f11b953Mark Salyzyn 280175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include "LogBufferElement.h" 290175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include "LogTimes.h" 3034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#include "LogStatistics.h" 31dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#include "LogWhiteBlackList.h" 320175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 330175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyntypedef android::List<LogBufferElement *> LogBufferElementCollection; 340175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 350175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynclass LogBuffer { 360175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LogBufferElementCollection mLogElements; 370175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn pthread_mutex_t mLogElementsLock; 380175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 3934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn LogStatistics stats; 40987f1e0de311cf863bde30bb4de19f9cd7f08642Mark Salyzyn bool dgramQlenStatistics; 41e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn 42dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn PruneList mPrune; 43dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 44dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn unsigned long mMaxSize[LOG_ID_MAX]; 45dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 460175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynpublic: 470175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LastLogTimes &mTimes; 480175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 490175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LogBuffer(LastLogTimes *times); 500175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 517e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn void log(log_id_t log_id, log_time realtime, 52b992d0d7d34bed62fd16151a68d60d58cc8003efMark Salyzyn uid_t uid, pid_t pid, pid_t tid, 53b992d0d7d34bed62fd16151a68d60d58cc8003efMark Salyzyn const char *msg, unsigned short len); 547e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn log_time flushTo(SocketClient *writer, const log_time start, 557e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn bool privileged, 567e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn bool (*filter)(const LogBufferElement *element, void *arg) = NULL, 577e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn void *arg = NULL); 580175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 591a240b47903c0dc3d7f23b609b6520f17f11b953Mark Salyzyn void clear(log_id_t id, uid_t uid = AID_ROOT); 600175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn unsigned long getSize(log_id_t id); 61dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn int setSize(log_id_t id, unsigned long size); 620175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn unsigned long getSizeUsed(log_id_t id); 6334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn // *strp uses malloc, use free to release. 64dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn void formatStatistics(char **strp, uid_t uid, unsigned int logMask); 65dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 66e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn void enableDgramQlenStatistics() { 67e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn stats.enableDgramQlenStatistics(); 68987f1e0de311cf863bde30bb4de19f9cd7f08642Mark Salyzyn dgramQlenStatistics = true; 69e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn } 70e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn 71a0e53540daa67142abd93756fad38a69eab8fbceMark Salyzyn void enableStatistics() { 72a0e53540daa67142abd93756fad38a69eab8fbceMark Salyzyn stats.enableStatistics(); 73a0e53540daa67142abd93756fad38a69eab8fbceMark Salyzyn } 74a0e53540daa67142abd93756fad38a69eab8fbceMark Salyzyn 75dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn int initPrune(char *cp) { return mPrune.init(cp); } 76dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn // *strp uses malloc, use free to release. 77dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn void formatPrune(char **strp) { mPrune.format(strp); } 780175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 799a03863e88da99ba010342c874252089dd771f7fMark Salyzyn // helper 809a03863e88da99ba010342c874252089dd771f7fMark Salyzyn char *pidToName(pid_t pid) { return stats.pidToName(pid); } 814ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn uid_t pidToUid(pid_t pid) { return stats.pidToUid(pid); } 829a03863e88da99ba010342c874252089dd771f7fMark Salyzyn 830175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynprivate: 840175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn void maybePrune(log_id_t id); 851a240b47903c0dc3d7f23b609b6520f17f11b953Mark Salyzyn void prune(log_id_t id, unsigned long pruneRows, uid_t uid = AID_ROOT); 860175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 870175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn}; 880175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 8934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#endif // _LOGD_LOG_BUFFER_H__ 90