logd

2016-05-20 15:14:11   0  举报

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仅支持查看

logd是一个日志记录工具，它可以帮助用户在开发过程中快速定位问题和调试代码。通过logd，用户可以将程序运行过程中的关键信息、错误信息、警告信息等记录下来，以便于后期分析和处理。此外，logd还支持多种输出格式，如控制台输出、文件输出等，方便用户根据需要进行选择。总之，logd是一个非常实用的工具，对于开发者来说，掌握它的使用方法将会大大提高编程效率。

作者其他创作

大纲/内容

LogListener

-logbuf:LogBuffer*-reader:LogReader*

-getLogSocket():int#onDataAvailable(SocketClient *cli):bool

FrameworkCommand

+ runCommand:int+getCommand:char *

CommandListener

LogBuffer

-mLogElements:LogBufferElementCollection- mLogElementsLock:pthread_mutex_t- stats:LogStatistics-mPrune:PruneList-mLast:LogBufferElementCollection::iterator[]-mLastSet:bool[]-mLastWorstUid:LogBufferIteratorMap[]-mLastWorstPidOfSystem:LogBufferPidIteratorMap[]-mMaxSize:long[]-monotonic:bool-mTimes:LastLogTimes &-minPrune:static constexpr size_t= 4-maxPrune:static constexpr size_t= 256

观察者

通知者(subject)

ShutdownCmd

FlushCommand

- mReader:LogReader &-mNonBlock:bool-mTail:long-mLogMask:int-mPid:pid_t-mStart:uint64_t-mTimeout:uint64_t

+ runSocketCommand(SocketClient *client)+ hasReadLogs(SocketClient *client):bool+hasSecurityLogs(SocketClient *client):bool

SocketClientCommand

+runSocketCommand(SocketClient*)

LogCommand

SocketClient

- mSocket:int - mSocketOwned:bool- mWriteMutex:pthread_mutex_t-mPid:pid_t-mUid:uid_t-mGid:gid_t-mRefCountMutex:pthread_mutex_t-mRefCount:int-mCmdNum:int-mUseCmdNum:bool

SocketListener

FrameworkListener

+CMD_ARGS_MAX:int=26+errorRate:int-mCommandCount:int-mWithSeq:bool-mCommands:FrameworkCommandCollection*

LogReader

+ attribute1:type = defaultValue+ attribute2:type- attribute3:type

+ logbuf(void):LogBuffer&+notifyNewLog()-getLogSocket():int-doSocketDelete(SocketClient *cli)#onDataAvailable(SocketClient *cli):bool

LogBufferCmd

ReinitCmd

LogBufferElement

+FLUSH_ERROR:uint64_t- mLogId:log_id_t - mUid:uid_t- mPid:pid_t-mTid:pid_t-mMsgLen:union-mDropped:union-mSequence:uint64_t-mRealTime:log_time-sequence:atomic_int_fast64_t