feat: use the same buffer pool as MiraiGo (#1297)

global/buffer.go

@@ -2,26 +2,16 @@ package global
 
 import (
 	"bytes"
-	"sync"
-)
 
-var bufferPool = sync.Pool{
-	New: func() interface{} {
-		return new(bytes.Buffer)
-	},
-}
+	"github.com/Mrs4s/MiraiGo/binary" // 和 MiraiGo 共用同一 buffer 池
+)
 
 // NewBuffer 从池中获取新 bytes.Buffer
 func NewBuffer() *bytes.Buffer {
-	return bufferPool.Get().(*bytes.Buffer)
+	return (*bytes.Buffer)(binary.SelectWriter())
 }
 
 // PutBuffer 将 Buffer放入池中
 func PutBuffer(buf *bytes.Buffer) {
-	// See https://golang.org/issue/23199
-	const maxSize = 1 << 16
-	if buf != nil && buf.Cap() < maxSize { // 对于大Buffer直接丢弃
-		buf.Reset()
-		bufferPool.Put(buf)
-	}
+	binary.PutWriter((*binary.Writer)(buf))
 }