feature: modify dfdaemon port validate method, allow to expose more port to listen.

Author: Komey

dfdaemon/config/config.go

@@ -118,7 +118,7 @@ type Properties struct {
 
 // Validate validates the config
 func (p *Properties) Validate() error {
-	if p.Port <= 2000 || p.Port > 65535 {
+	if p.Port <= 0 || p.Port > 65535 {
 		return dferr.Newf(
 			constant.CodeExitPortInvalid,
 			"invalid port %d", p.Port,

dfdaemon/config/config_test.go

@@ -57,7 +57,7 @@ func (ts *configTestSuite) TestValidatePort() {
 	c := defaultConfig()
 	r := ts.Require()
 
-	for _, p := range []uint{0, 80, 2000, 65536} {
+	for _, p := range []uint{0, 65536} {
 		c.Port = p
 		err := c.Validate()
 		r.NotNil(err)
@@ -66,7 +66,7 @@ func (ts *configTestSuite) TestValidatePort() {
 		r.Equal(constant.CodeExitPortInvalid, de.Code)
 	}
 
-	for _, p := range []uint{2001, 65001, 65535} {
+	for _, p := range []uint{80, 2001, 65001, 65535} {
 		c.Port = p
 		r.Nil(c.Validate())
 	}