log/删除所有的依赖库;

log/go.mod

@@ -1,8 +1,3 @@
 module git.blauwelle.com/go/crate/log
 
 go 1.20
-
-require (
-	git.blauwelle.com/go/crate/runtimehelper v0.1.0
-	git.blauwelle.com/go/crate/synchelper v0.1.0
-)

log/go.sum

@@ -1,4 +0,0 @@
-git.blauwelle.com/go/crate/runtimehelper v0.1.0 h1:qNhtnt9YmHXNHKsGRbwD3AZ3pezpOwrbmX1o9Bz532I=
-git.blauwelle.com/go/crate/runtimehelper v0.1.0/go.mod h1:yVMA0GkO9AS7iuPmalHKeWyv9en0JWj25rY1vpTuHhk=
-git.blauwelle.com/go/crate/synchelper v0.1.0 h1:4yEXpshkklaws/57P94xN5bA3NmyyKGcZqYmzd6QIK4=
-git.blauwelle.com/go/crate/synchelper v0.1.0/go.mod h1:2JkfH+7sF0Q0wiIaDOqG42ZLO5JxpcMfSoyy7db4Y2g=

log/logsdk/entry.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"fmt"
 	"time"
-
-	"git.blauwelle.com/go/crate/runtimehelper"
 )
 
 // Entry 包含日志所需的全部中间信息并负责输出日志
@@ -198,10 +196,10 @@ func (entry Entry) log(ctx context.Context, level Level, message string) {
 		readonlyEntry.Time = time.Now()
 	}
 	if newEntry.GetReportCaller() {
-		readonlyEntry.Caller = runtimehelper.Caller(newEntry.callerSkip)
+		readonlyEntry.Caller = getCaller(newEntry.callerSkip)
 	}
 	if newEntry.GetReportStack() {
-		readonlyEntry.Stack = runtimehelper.Stack(newEntry.callerSkip, 32)
+		readonlyEntry.Stack = getStack(newEntry.callerSkip, 32)
 	}
 	for _, processor := range newEntry.logger.getLevelProcessors(level) {
 		processor.Process(readonlyEntry)
@@ -211,8 +209,8 @@ func (entry Entry) log(ctx context.Context, level Level, message string) {
 // ReadonlyEntry 是日志系统收集到1条日志记录
 type ReadonlyEntry struct {
 	Context context.Context `json:"-"`
-	Caller  runtimehelper.Frame
+	Caller  Frame
-	Stack   []runtimehelper.Frame
+	Stack   []Frame
 	Time    time.Time
 	Message string
 	Fields  []KV

log/logsdk/logjson/option.go

@@ -4,8 +4,6 @@ import (
 	"io"
 	"os"
 	"time"
-
-	"git.blauwelle.com/go/crate/synchelper"
 )
 
 // Option 配置日志处理对象
@@ -14,9 +12,9 @@ type Option interface {
 }
 
 // WithBufferPool 配置缓冲池
-func WithBufferPool(pool synchelper.BytesBufferPool) Option {
+func WithBufferPool(pool BytesBufferPool) Option {
 	return optionFunc(func(cfg *config) {
-		cfg.pool = pool
+		cfg.bytesBufferPool = pool
 		cfg.hasPool = true
 	})
 }
@@ -62,10 +60,10 @@ func newConfig(opts ...Option) *config {
 		opt.apply(cfg)
 	}
 	if !cfg.hasPool {
-		cfg.pool = synchelper.NewBytesBufferPool(512, 4096)
+		cfg.bytesBufferPool = newBytesBufferPool(512, 4096)
 	}
 	if cfg.output == nil {
-		cfg.output = synchelper.NewSyncWriter(os.Stderr)
+		cfg.output = newSyncWriter(os.Stderr)
 	}
 	if cfg.timestampFormat == "" {
 		cfg.timestampFormat = time.RFC3339Nano
@@ -83,7 +81,7 @@ func defaultConfig() *config {
 }
 
 type config struct {
-	pool              synchelper.BytesBufferPool
+	bytesBufferPool   BytesBufferPool
 	output            io.Writer
 	timestampFormat   string
 	hasPool           bool

log/logsdk/logjson/pool.go

@@ -0,0 +1,38 @@
+package logjson
+
+import (
+	"bytes"
+	"sync"
+)
+
+type BytesBufferPool interface {
+	Get() *bytes.Buffer
+	Put(buffer *bytes.Buffer)
+}
+
+func newBytesBufferPool(initialSize, maximumSize int) *bytesBufferPool {
+	return &bytesBufferPool{
+		pool: sync.Pool{
+			New: func() any {
+				return bytes.NewBuffer(make([]byte, 0, initialSize))
+			},
+		},
+		maximumSize: maximumSize,
+	}
+}
+
+type bytesBufferPool struct {
+	pool        sync.Pool
+	maximumSize int
+}
+
+func (pool *bytesBufferPool) Get() *bytes.Buffer {
+	return pool.pool.Get().(*bytes.Buffer)
+}
+
+func (pool *bytesBufferPool) Put(buf *bytes.Buffer) {
+	if buf.Cap() > pool.maximumSize {
+		return
+	}
+	pool.pool.Put(buf)
+}

log/logsdk/logjson/processor.go

@@ -7,8 +7,6 @@ import (
 	"os"
 
 	"git.blauwelle.com/go/crate/log/logsdk"
-	"git.blauwelle.com/go/crate/runtimehelper"
-	"git.blauwelle.com/go/crate/synchelper"
 )
 
 var _ logsdk.EntryProcessor = &Processor{}
@@ -18,7 +16,7 @@ var _ logsdk.EntryProcessor = &Processor{}
 func New(opts ...Option) *Processor {
 	cfg := newConfig(opts...)
 	return &Processor{
-		bufferPool:        cfg.pool,
+		bytesBufferPool:   cfg.bytesBufferPool,
 		output:            cfg.output,
 		timeFormat:        cfg.timestampFormat,
 		disableTime:       cfg.disableTime,
@@ -29,7 +27,7 @@ func New(opts ...Option) *Processor {
 
 // Processor 日志处理对象, 把日志处理成 JSON.
 type Processor struct {
-	bufferPool        synchelper.BytesBufferPool
+	bytesBufferPool   BytesBufferPool
 	output            io.Writer
 	timeFormat        string
 	disableTime       bool
@@ -51,16 +49,16 @@ func (processor *Processor) Process(entry logsdk.ReadonlyEntry) {
 	if entry.Caller.IsValid() {
 		// 1次分配
 		// 直接取 &entry.Caller 会增加堆内存分配
-		m.Caller = &runtimehelper.Frame{
+		m.Caller = &logsdk.Frame{
 			Function: entry.Caller.Function,
 			File:     entry.Caller.File,
 			Line:     entry.Caller.Line,
 		}
 	}
 
-	buf := processor.bufferPool.Get()
+	buf := processor.bytesBufferPool.Get()
 	buf.Reset()
-	defer processor.bufferPool.Put(buf)
+	defer processor.bytesBufferPool.Put(buf)
 
 	encoder := json.NewEncoder(buf)
 	if processor.prettyPrint {
@@ -80,10 +78,10 @@ func (processor *Processor) Process(entry logsdk.ReadonlyEntry) {
 
 // Entry 被用来 JSON 序列化
 type Entry struct {
-	Message string                `json:"msg"`
+	Message string         `json:"msg"`
-	Time    string                `json:"time,omitempty"`
+	Time    string         `json:"time,omitempty"`
-	Caller  *runtimehelper.Frame  `json:"caller,omitempty"`
+	Caller  *logsdk.Frame  `json:"caller,omitempty"`
-	Stack   []runtimehelper.Frame `json:"stack,omitempty"`
+	Stack   []logsdk.Frame `json:"stack,omitempty"`
-	Fields  []logsdk.KV           `json:"fields,omitempty"`
+	Fields  []logsdk.KV    `json:"fields,omitempty"`
-	Level   logsdk.Level          `json:"level"`
+	Level   logsdk.Level   `json:"level"`
 }

log/logsdk/logjson/writer.go

@@ -0,0 +1,24 @@
+package logjson
+
+import (
+	"io"
+	"sync"
+)
+
+func newSyncWriter(writer io.Writer) io.Writer {
+	return &syncWriter{
+		writer: writer,
+		lock:   sync.Mutex{},
+	}
+}
+
+type syncWriter struct {
+	writer io.Writer
+	lock   sync.Mutex
+}
+
+func (w *syncWriter) Write(p []byte) (n int, err error) {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+	return w.writer.Write(p)
+}

log/logsdk/runtime.go

@@ -0,0 +1,52 @@
+package logsdk
+
+import (
+	"runtime"
+)
+
+// Frame 调用相关信息
+type Frame struct {
+	Function string `json:"func"`
+	File     string `json:"file"`
+	Line     int    `json:"line"`
+}
+
+// IsValid 表示是否有效
+func (frame Frame) IsValid() bool {
+	return frame.Line > 0
+}
+
+func getCaller(skip int) Frame {
+	pc := make([]uintptr, 1)
+	n := runtime.Callers(skip+2, pc)
+	frame, _ := runtime.CallersFrames(pc[:n]).Next()
+	if frame.PC == 0 {
+		return Frame{}
+	}
+	return Frame{
+		Function: frame.Function,
+		File:     frame.File,
+		Line:     frame.Line,
+	}
+}
+
+func getStack(skip, maximumFrames int) []Frame {
+	pc := make([]uintptr, maximumFrames)
+	n := runtime.Callers(skip+2, pc)
+	stack := make([]Frame, 0, n)
+	frames := runtime.CallersFrames(pc[:n])
+	for {
+		frame, more := frames.Next()
+		if frame.PC != 0 {
+			stack = append(stack, Frame{
+				Function: frame.Function,
+				File:     frame.File,
+				Line:     frame.Line,
+			})
+		}
+		if !more {
+			break
+		}
+	}
+	return stack
+}