Add Port as a type

common/net/port.go

@@ -0,0 +1,23 @@
+package net
+
+import (
+	"strconv"
+)
+
+type Port uint16
+
+func NewPort(port int) Port {
+	return Port(uint16(port))
+}
+
+func (this Port) Value() uint16 {
+	return uint16(this)
+}
+
+func (this Port) Bytes() []byte {
+	return []byte{byte(this >> 8), byte(this)}
+}
+
+func (this Port) String() string {
+	return strconv.Itoa(int(this))
+}