优化gc性能

server/handler/pool.go

@@ -0,0 +1,52 @@
+package handler
+
+import (
+	"sync"
+
+	"github.com/bjdgyc/anylink/sessdata"
+)
+
+var plPool = sync.Pool{
+	New: func() interface{} {
+		pl := sessdata.Payload{
+			Data: make([]byte, 0, BufferSize),
+		}
+		// fmt.Println("plPool-init", len(pl.Data), cap(pl.Data))
+		return &pl
+	},
+}
+
+func getPayload() *sessdata.Payload {
+	pl := plPool.Get().(*sessdata.Payload)
+	return pl
+}
+
+func putPayload(pl *sessdata.Payload) {
+	pl.LType = 0
+	pl.PType = 0
+	pl.Data = pl.Data[:0]
+	plPool.Put(pl)
+}
+
+var bytePool = sync.Pool{
+	New: func() interface{} {
+		b := make([]byte, 0, BufferSize)
+		// fmt.Println("bytePool-init")
+		return b
+	},
+}
+
+func getByteZero() []byte {
+	b := bytePool.Get().([]byte)
+	return b
+}
+
+func getByteFull() []byte {
+	b := bytePool.Get().([]byte)
+	b = b[:BufferSize]
+	return b
+}
+func putByte(b []byte) {
+	b = b[:0]
+	bytePool.Put(b)
+}