sylar-服务器框架类图

DateTimeFormatItem

- format()

LogFormatter

- pattern: std::string- items:std::vector<FormatItem::ptr>

+ class FormatItem+ std::string format()+ init()+ isError():bool+ std::string& getPattern()

LevelFormatItem

FiberIdFormatItem

1:1

NewLineFormatItem

Logger

- name: string-level: LogLevel::Level- appenders: std::list<LogAppender::ptr>- formatter: LogFormatter::ptr- m_root: Logger::ptr

+ Logger(const std::string& name = \"root\")+ debug(LogEvent::ptr event)+ info(LogEvent::ptr event)+ warn(LogEvent::ptr event)+ error(LogEvent::ptr event)+ fatal(LogEvent::ptr event)+ addAppender(LogAppender::ptr appender)+ delAppender(LogAppender::ptr appender)+ clearAppenders()+ getLevel() :  LogLevel::Level+ setLevel(LogLevel::Level val)+ getName() :  name: string+ setFormatter(LogFormatter::ptr val)+ setFormatter(const std::string& val)+ getFormatter() : LogFormatter::ptr+ toYamlString() : string 

继承

LineFormatItem

ThreadIdFormatItem

MessageFormatItem

- val: T

+ fromString(const std::string& str)+ getName()+ getValue()

Config

- variables::map<>

+ Lookup()

NameFormatItem

+ operator()(F):(T)

template <T>lexicialCast<vector<T>>:对于不同种类型的偏特化方案

LogAppender

- LogLevel::Level m_level = LogLevel::DEBUG- bool m_hasFormatter = false- LogFormatter::ptr m_formatter

TabFormatItem

1:N

FilenameFormatItem

ElapseFormatItem

StdoutLogAppender

+log()+toYamlString():string

FormatItem

FileLogAppender

- filename:string- filestream: ofstream

+log()+toYamlString():string+ reopen()

ConfigVarBase

- name:string- descripiton:string