LogBuffer.h revision 4ba0387af5acc52e43e4004ccb4c46b8bc700349
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 260175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include "LogBufferElement.h" 270175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn#include "LogTimes.h" 2834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#include "LogStatistics.h" 29dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#include "LogWhiteBlackList.h" 300175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 310175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyntypedef android::List<LogBufferElement *> LogBufferElementCollection; 320175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 330175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynclass LogBuffer { 340175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LogBufferElementCollection mLogElements; 350175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn pthread_mutex_t mLogElementsLock; 360175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 3734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn LogStatistics stats; 380175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 39e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn bool dgram_qlen_statistics; 40e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn 41dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#ifdef USERDEBUG_BUILD 42dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn PruneList mPrune; 43dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 44dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn unsigned long mMaxSize[LOG_ID_MAX]; 45dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#endif 46dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 470175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynpublic: 480175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LastLogTimes &mTimes; 490175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 500175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn LogBuffer(LastLogTimes *times); 510175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 527e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn void log(log_id_t log_id, log_time realtime, 53b992d0d7d34bed62fd16151a68d60d58cc8003efMark Salyzyn uid_t uid, pid_t pid, pid_t tid, 54b992d0d7d34bed62fd16151a68d60d58cc8003efMark Salyzyn const char *msg, unsigned short len); 557e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn log_time flushTo(SocketClient *writer, const log_time start, 567e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn bool privileged, 577e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn bool (*filter)(const LogBufferElement *element, void *arg) = NULL, 587e2f83c0bcc3ad8a2840a48be14d302ed79d671cMark Salyzyn void *arg = NULL); 590175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 600175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn void clear(log_id_t id); 610175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn unsigned long getSize(log_id_t id); 62dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#ifdef USERDEBUG_BUILD 63dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn int setSize(log_id_t id, unsigned long size); 64dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#endif 650175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn unsigned long getSizeUsed(log_id_t id); 6634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn // *strp uses malloc, use free to release. 67dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn void formatStatistics(char **strp, uid_t uid, unsigned int logMask); 68dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn 69e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn void enableDgramQlenStatistics() { 70e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn stats.enableDgramQlenStatistics(); 71e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn dgram_qlen_statistics = true; 72e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn } 73e457b74ce6ee6d799812dc2ec5e4b8b18bcd3e91Mark Salyzyn 74dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#ifdef USERDEBUG_BUILD 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); } 78dfa7a07f5be656cfafdb4e75916bc9dcd9e592e7Mark Salyzyn#endif 790175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 809a03863e88da99ba010342c874252089dd771f7fMark Salyzyn // helper 819a03863e88da99ba010342c874252089dd771f7fMark Salyzyn char *pidToName(pid_t pid) { return stats.pidToName(pid); } 824ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn uid_t pidToUid(pid_t pid) { return stats.pidToUid(pid); } 839a03863e88da99ba010342c874252089dd771f7fMark Salyzyn 840175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzynprivate: 850175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn void maybePrune(log_id_t id); 860175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn void prune(log_id_t id, unsigned long pruneRows); 870175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 880175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn}; 890175b0747a1f55329109e84c9a1322dcb95e2848Mark Salyzyn 9034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#endif // _LOGD_LOG_BUFFER_H__ 91