Initial commit (code only without large binaries)

EdgeNode/internal/compressions/writer_base.go

@@ -0,0 +1,39 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"sync/atomic"
+)
+
+type BaseWriter struct {
+	pool *WriterPool
+
+	isFinished bool
+
+	hits uint32
+}
+
+func (this *BaseWriter) SetPool(pool *WriterPool) {
+	this.pool = pool
+}
+
+func (this *BaseWriter) Finish(obj Writer) error {
+	if this.isFinished {
+		return nil
+	}
+	err := obj.RawClose()
+	if err == nil && this.pool != nil {
+		this.pool.Put(obj)
+	}
+	this.isFinished = true
+	return err
+}
+
+func (this *BaseWriter) ResetFinish() {
+	this.isFinished = false
+}
+
+func (this *BaseWriter) IncreaseHit() uint32 {
+	return atomic.AddUint32(&this.hits, 1)
+}