log/扩展Exit功能;
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@@ -54,6 +54,7 @@ log.Logger()
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- `SetReportStack` 设置生成调用栈;
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- `SetReportStackLevel` 当日志等级小于设定值时强制生成调用栈;
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- `Reset` 把 Logger 恢复到初始状态;
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- `AddBeforeExit` 新增调用 `Logger.Exit` 时优先执行的函数, 先增加的后执行;
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- `SetExit` 设置 `Logger` 的退出函数(`Logger.Exit`), 当日志等级为 `LevelFatal` 时调用这个函数;
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### 日志生成
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@@ -150,6 +150,11 @@ func Panicf(ctx context.Context, format string, args ...any) {
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globalLogger.AddCallerSkip(1).Panicf(ctx, format, args...)
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}
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// Exit 调用全局 logger 的 Exit
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func Exit(code int) {
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globalLogger.Exit(code)
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}
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// Logger 返回全局 logger, 通常用来在程序启动时对全局 logger 进行配置,
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// 业务代码处理日志时直接使用这个包里定义的日志函数.
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func Logger() *logsdk.Logger {
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@@ -20,8 +20,9 @@ type entry = Entry
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// Logger 中保存了日志所需的全局配置,
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// 使用 Logger 处理日志.
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type Logger struct {
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exit func(code int) // protected by lock
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levelProcessors levelProcessors // protected by lock
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exit func(code int) // protected by lock
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beforeExit []func(code int) // protected by lock
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levelProcessors levelProcessors // protected by lock
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entry
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lock sync.RWMutex
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level atomic.Int32
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@@ -98,6 +99,7 @@ func (logger *Logger) SetReportStackLevel(level Level) {
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func (logger *Logger) Reset() {
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logger.lock.Lock()
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logger.exit = nil
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logger.beforeExit = nil
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logger.levelProcessors = levelProcessors{}
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logger.lock.Unlock()
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@@ -112,9 +114,14 @@ func (logger *Logger) Reset() {
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func (logger *Logger) Exit(code int) {
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logger.lock.RLock()
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exit := logger.exit
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beforeExit := make([]func(int), len(logger.beforeExit))
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copy(beforeExit, logger.beforeExit)
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logger.lock.RUnlock()
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for i := len(beforeExit) - 1; i >= 0; i-- {
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beforeExit[i](code)
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}
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if exit == nil {
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os.Exit(code)
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exit = os.Exit
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}
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exit(code)
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}
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@@ -126,6 +133,14 @@ func (logger *Logger) SetExit(fn func(code int)) {
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logger.lock.Unlock()
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}
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// AddBeforeExit 增加 Exit 在调用 SetExit 指定的函数前执行的函数,
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// 先增加的后执行.
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func (logger *Logger) AddBeforeExit(fn ...func(code int)) {
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logger.lock.Lock()
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logger.beforeExit = append(logger.beforeExit, fn...)
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logger.lock.Unlock()
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}
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func (logger *Logger) getLevelProcessors(level Level) []EntryProcessor {
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logger.lock.RLock()
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defer logger.lock.RUnlock()
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