Release 2.0.1

* Fix a bug: when only have one upstream, random selector will panic

Signed-off-by: Sherlock Holo <sherlockya@gmail.com>

Changelog.md

@@ -4,6 +4,10 @@ This Changelog records major changes between versions.
 
 Not all changes are recorded. Please check git log for details.
 
+## Version 2.0.1
+
+- Fix a crash with the random load balancing algorithm.
+
 ## Version 2.0.0
 
 **This is a breaking change!** Please update the configuration file after upgrading.

doh-client/client.go

@@ -155,7 +155,7 @@ func NewClient(conf *config.Config) (c *Client, err error) {
 	switch c.conf.Upstream.UpstreamSelector {
 	case config.NginxWRR:
 		if c.conf.Other.Verbose {
-			log.Println(config.NginxWRR, " mode start")
+			log.Println(config.NginxWRR, "mode start")
 		}
 
 		s := selector.NewNginxWRRSelector(time.Duration(c.conf.Other.Timeout) * time.Second)
@@ -175,7 +175,7 @@ func NewClient(conf *config.Config) (c *Client, err error) {
 
 	case config.LVSWRR:
 		if c.conf.Other.Verbose {
-			log.Println(config.LVSWRR, " mode start")
+			log.Println(config.LVSWRR, "mode start")
 		}
 
 		s := selector.NewLVSWRRSelector(time.Duration(c.conf.Other.Timeout) * time.Second)
@@ -195,7 +195,7 @@ func NewClient(conf *config.Config) (c *Client, err error) {
 
 	default:
 		if c.conf.Other.Verbose {
-			log.Println(config.Random, " mode start")
+			log.Println(config.Random, "mode start")
 		}
 
 		// if selector is invalid or random, use random selector, or should we stop program and let user knows he is wrong?

doh-client/selector/randomSelector.go

@@ -42,7 +42,7 @@ func (rs *RandomSelector) Add(url string, upstreamType UpstreamType) (err error)
 }
 
 func (rs *RandomSelector) Get() *Upstream {
-	return rs.upstreams[rand.Intn(len(rs.upstreams)-1)]
+	return rs.upstreams[rand.Intn(len(rs.upstreams))]
 }
 
 func (rs *RandomSelector) StartEvaluate() {}

doh-client/version.go

@@ -24,6 +24,6 @@
 package main
 
 const (
-	VERSION    = "2.0.0"
+	VERSION    = "2.0.1"
 	USER_AGENT = "DNS-over-HTTPS/" + VERSION + " (+https://github.com/m13253/dns-over-https)"
 )

doh-server/version.go

@@ -24,6 +24,6 @@
 package main
 
 const (
-	VERSION    = "2.0.0"
+	VERSION    = "2.0.1"
 	USER_AGENT = "DNS-over-HTTPS/" + VERSION + " (+https://github.com/m13253/dns-over-https)"
 )