log/Panic改回调用panic;

log/README.md

@@ -85,11 +85,13 @@ log.Logger()
 
 ### 其他用法
 
-关闭日志生成 `log.Logger().SetLevel(logsdk.LevelDisabled)`
+关闭日志生成, `log.Logger().SetLevel(logsdk.LevelDisabled)`;
 
-关闭强制生成调用栈 `log.Logger().SetReportStackLevel(logsdk.LevelDisabled)`
+关闭强制生成调用栈, `log.Logger().SetReportStackLevel(logsdk.LevelDisabled)`;
 
-mock 实现 mock 日志处理器对生成的日志进行处理
+记录 panic, 在 `defer v = recover()` 后执行 `log.Z(context.Background(), v)`, 其中 `Z` 需要是附加调用栈的等级;
+
+mock, 实现 mock 日志处理器对生成的日志进行处理;
 
 ---
 

log/log.go

@@ -145,7 +145,8 @@ func Fatalf(ctx context.Context, format string, args ...any) {
 	globalLogger.AddCallerSkip(1).Fatalf(ctx, format, args...)
 }
 
-// Panicf 格式化输出 LevelPanic 等级的日志
+// Panicf 格式化输出 LevelPanic 等级的日志,
+// 即使 Logger 日志等级高于 LevelPanic 也会 panic.
 func Panicf(ctx context.Context, format string, args ...any) {
 	globalLogger.AddCallerSkip(1).Panicf(ctx, format, args...)
 }

log/logsdk/entry.go

@@ -169,19 +169,19 @@ func (entry Entry) Fatalf(ctx context.Context, format string, args ...any) {
 	entry.logger.Exit(1)
 }
 
-// Panicf 格式化输出 LevelPanic 等级的日志
+// Panicf 格式化输出 LevelPanic 等级的日志,
 // 即使 Logger 日志等级高于 LevelPanic 也会 panic.
 func (entry Entry) Panicf(ctx context.Context, format string, args ...any) {
 	entry.log(ctx, LevelPanic, fmt.Sprintf(format, args...))
 }
 
 func (entry Entry) log(ctx context.Context, level Level, message string) {
-	newEntry := entry.copy()
 	defer func() {
 		if level == LevelPanic {
 			panic(message)
 		}
 	}()
+	newEntry := entry.copy()
 	if newEntry.logger.GetLevel() < level {
 		return
 	}

log/logsdk/level.go

@@ -64,14 +64,14 @@ const (
 	// LevelCount 日志等级的个数
 	LevelCount = 7
 
-	// LevelOffset 是把 LevelInfo 等级的日志值偏移到零值的偏移量
-	LevelOffset = 4
+	// levelOffset 是把 LevelInfo 等级的日志值偏移到零值的偏移量
+	levelOffset = 4
 )
 
 const (
 	// LevelDisabled 表示不处理任何等级的日志,
 	// 其他日志等级的值越小表示日志严重程度越高.
-	LevelDisabled Level = iota - LevelOffset - 1
+	LevelDisabled Level = iota - levelOffset - 1
 	LevelPanic
 	LevelFatal
 	LevelError

log/logsdk/logger.go

@@ -21,10 +21,11 @@ type entry = Entry
 // 使用 Logger 处理日志.
 type Logger struct {
 	exit            func(code int)  // protected by lock
-	beforeExit      []func(code int) // protected by lock
+	beforeExitFns   []func()        // protected by lock
 	levelProcessors levelProcessors // protected by lock
 	entry
 	lock             sync.RWMutex
+	exitOnce         sync.Once
 	level            atomic.Int32
 	reportStackLevel atomic.Int32
 	callerSkip       atomic.Int32
@@ -36,7 +37,7 @@ type Logger struct {
 func (logger *Logger) AddProcessor(levels []Level, processor EntryProcessor) {
 	logger.lock.Lock()
 	for _, level := range levels {
-		logger.levelProcessors[level+LevelOffset] = append(logger.levelProcessors[level+LevelOffset], processor)
+		logger.levelProcessors[level+levelOffset] = append(logger.levelProcessors[level+levelOffset], processor)
 	}
 	logger.lock.Unlock()
 }
@@ -99,7 +100,7 @@ func (logger *Logger) SetReportStackLevel(level Level) {
 func (logger *Logger) Reset() {
 	logger.lock.Lock()
 	logger.exit = nil
-	logger.beforeExit = nil
+	logger.beforeExitFns = nil
 	logger.levelProcessors = levelProcessors{}
 	logger.lock.Unlock()
 
@@ -110,16 +111,27 @@ func (logger *Logger) Reset() {
 	logger.SetReportStack(false)
 }
 
-// Exit 退出程序, 执行的具体过程可以通过 SetExit 指定
+// BeforeExit 按照先添加后执行的顺序执行 AddBeforeExit 添加的函数,
+// AddBeforeExit 只会执行1次.
+func (logger *Logger) BeforeExit() {
+	logger.exitOnce.Do(func() {
+		logger.lock.RLock()
+		beforeExitFns := make([]func(), len(logger.beforeExitFns))
+		copy(beforeExitFns, logger.beforeExitFns)
+		logger.lock.RUnlock()
+		for i := len(beforeExitFns) - 1; i >= 0; i-- {
+			beforeExitFns[i]()
+		}
+	})
+}
+
+// Exit 执行 BeforeExit 后退出程序, 执行的退出函数可以通过 SetExit 指定,
+// 当没有通过 SetExit 指定退出函数时调用 [os.Exit].
 func (logger *Logger) Exit(code int) {
+	logger.BeforeExit()
 	logger.lock.RLock()
 	exit := logger.exit
-	beforeExit := make([]func(int), len(logger.beforeExit))
-	copy(beforeExit, logger.beforeExit)
 	logger.lock.RUnlock()
-	for i := len(beforeExit) - 1; i >= 0; i-- {
-		beforeExit[i](code)
-	}
 	if exit == nil {
 		exit = os.Exit
 	}
@@ -135,16 +147,16 @@ func (logger *Logger) SetExit(fn func(code int)) {
 
 // AddBeforeExit 增加 Exit 在调用 SetExit 指定的函数前执行的函数,
 // 先增加的后执行.
-func (logger *Logger) AddBeforeExit(fn ...func(code int)) {
+func (logger *Logger) AddBeforeExit(fn ...func()) {
 	logger.lock.Lock()
-	logger.beforeExit = append(logger.beforeExit, fn...)
+	logger.beforeExitFns = append(logger.beforeExitFns, fn...)
 	logger.lock.Unlock()
 }
 
 func (logger *Logger) getLevelProcessors(level Level) []EntryProcessor {
 	logger.lock.RLock()
 	defer logger.lock.RUnlock()
-	return logger.levelProcessors[level+LevelOffset]
+	return logger.levelProcessors[level+levelOffset]
 }
 
 func (logger *Logger) newEntry() Entry {

log/logsdk/runtime.go

@@ -8,6 +8,8 @@ const (
 	maximumFrames       = 32
 	getCallerSkipOffset = 2
 	entrySkipOffset     = 2
+
+	runtimeMain = "runtime.main"
 )
 
 // Frame 调用相关信息
@@ -44,6 +46,9 @@ func getStack(skip, maximumFrames int) []Frame {
 	for {
 		frame, more := frames.Next()
 		if frame.PC != 0 {
+			if frame.Function == runtimeMain {
+				break
+			}
 			stack = append(stack, Frame{
 				Function: frame.Function,
 				File:     frame.File,

logotel/option.go

@@ -23,6 +23,7 @@ func newConfig(opts ...Option) *config {
 func defaultConfig() *config {
 	return &config{
 		hasPool:     false,
+		defaultSpan: false,
 	}
 }
 
@@ -34,6 +35,13 @@ func WithBufferPool(pool logjson.BytesBufferPool) Option {
 	})
 }
 
+// WithDefaultSpan 设置当 span 没有在记录时创建新 span
+func WithDefaultSpan(defaultSpan bool) Option {
+	return optionFunc(func(cfg *config) {
+		cfg.defaultSpan = defaultSpan
+	})
+}
+
 // Option 配置 Processor
 type Option interface {
 	apply(cfg *config)
@@ -42,6 +50,7 @@ type Option interface {
 type config struct {
 	bytesBufferPool logjson.BytesBufferPool
 	hasPool         bool
+	defaultSpan     bool
 }
 type optionFunc func(cfg *config)
 

logotel/processor.go

@@ -9,6 +9,7 @@ import (
 
 	"git.blauwelle.com/go/crate/log/logsdk"
 	"git.blauwelle.com/go/crate/log/logsdk/logjson"
+	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/codes"
 	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
@@ -20,6 +21,7 @@ func New(opts ...Option) *Processor {
 	cfg := newConfig(opts...)
 	return &Processor{
 		bufferPool:  cfg.bytesBufferPool,
+		defaultSpan: cfg.defaultSpan,
 	}
 }
 
@@ -28,10 +30,17 @@ var _ logsdk.EntryProcessor = &Processor{}
 // Processor 用于把日志和 opentelemetry 对接
 type Processor struct {
 	bufferPool  logjson.BytesBufferPool
+	defaultSpan bool
 }
 
 func (processor *Processor) Process(ctx context.Context, entry logsdk.ReadonlyEntry) {
 	span := trace.SpanFromContext(ctx)
+	if !span.IsRecording() {
+		if processor.defaultSpan {
+			ctx, span = otel.Tracer("git.blauwelle.com/go/crate/logotel").Start(ctx, "default") //nolint:ineffassign,staticcheck,wastedassign
+			defer span.End()
+		}
+	}
 	if !span.IsRecording() {
 		return
 	}