feat: impl. new protol design & new head

gold/link/event.go

@@ -0,0 +1,22 @@
+package link
+
+import (
+	"strconv"
+
+	"github.com/fumiama/WireGold/gold/head"
+	"github.com/fumiama/orbyte/pbuf"
+)
+
+// 事件分发器
+var dispachers map[uint8]EventDispacher = make(map[uint8]EventDispacher)
+
+type EventDispacher func(header *head.Packet, peer *Link, data pbuf.Bytes)
+
+// AddProto is thread unsafe. Use in init() only.
+func AddProto(p uint8, d EventDispacher) {
+	_, ok := dispachers[p]
+	if ok {
+		panic("proto " + strconv.Itoa(int(p)) + " has been registered")
+	}
+	dispachers[p] = d
+}