//打开一个合适的日志记录器
func Open(typ string, level int, arg *provider.Arg) error {
//设置默认日志级别
if level < LEVEL_TRACE || level > LEVEL_ALL {
level = LEVEL_DEFAULT
}
if _, isExists := drivers[arg.Driver]; isExists {
return fmt.Errorf("The driver with the name: %s is existed\n", arg.Driver)
}
var drv Logger
logger := provider.New(typ, logPrefixs[level], arg)
if logger == nil {
return fmt.Errorf("create the new driver with name: %s is failed\n", arg.Driver)
}
drv = logger.(Logger)
register(arg.Driver, drv)
Change(arg.Driver, level)
return nil
}
func init() {
arg := provider.Arg{
Driver: provider.CONSOLE,
Extras: map[string]interface{}{
provider.FLAG: provider.Lshortfile | provider.LstdFlags,
},
}
drv := provider.New(provider.CONSOLE, logPrefixs[LEVEL_DEFAULT], &arg).(Logger)
register(provider.CONSOLE, drv)
//默认管理器
defMgr := manager{
defLogger: drivers[provider.DEFAULT],
curLogger: drivers[provider.DEFAULT],
level: LEVEL_DEFAULT, //默认为>=warn 的消息才输出
chanLogArgs: make(chan *LogArgs, DEFAULT_CHAN_SIZE), //输出日志所需要的信息
stopFlag: make(chan struct{}),
}
globalMgr = &defMgr
}
