From 88ff8997b51b2280707b066ee59b3c7b6070583a Mon Sep 17 00:00:00 2001
From: nadoo <287492+nadoo@users.noreply.github.com>
Date: Thu, 16 Aug 2018 00:01:59 +0800
Subject: [PATCH] strategy: avoid returning nil dialer in lha.nextDialer

---
 README.md            |  6 +++---
 conf.go              |  3 ++-
 strategy/strategy.go | 11 +++++------
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 9c8f968..fb7a2ba 100644
--- a/README.md
+++ b/README.md
@@ -215,9 +215,9 @@ Available forward strategies:
   ha: High Availability mode
   lha: Latency based High Availability mode
 
-Forwarder option scheme: FORWARD_URL[#OPTIONS]
-  Available options for forwarders:
-    priority: set the priority of that forwarder, default:0
+Forwarder option scheme: FORWARD_URL#OPTIONS
+  priority: set the priority of that forwarder, default:0
+  -
   Examples:
     socks5://1.1.1.1:1080#priority=100
     vmess://[security:]uuid@host:port?alterID=num#priority=200
diff --git a/conf.go b/conf.go
index 5bf9e4b..4dbc722 100644
--- a/conf.go
+++ b/conf.go
@@ -193,7 +193,8 @@ func usage() {
 
 	fmt.Fprintf(os.Stderr, "Forwarder option scheme: FORWARD_URL#OPTIONS\n")
 	fmt.Fprintf(os.Stderr, "  priority: set the priority of that forwarder, default:0\n")
-	fmt.Fprintf(os.Stderr, "  e.g.:\n")
+	fmt.Fprintf(os.Stderr, "  -\n")
+	fmt.Fprintf(os.Stderr, "  Examples:\n")
 	fmt.Fprintf(os.Stderr, "    socks5://1.1.1.1:1080#priority=100\n")
 	fmt.Fprintf(os.Stderr, "    vmess://[security:]uuid@host:port?alterID=num#priority=200\n")
 	fmt.Fprintf(os.Stderr, "\n")
diff --git a/strategy/strategy.go b/strategy/strategy.go
index 73f6451..06bfd8d 100644
--- a/strategy/strategy.go
+++ b/strategy/strategy.go
@@ -248,24 +248,23 @@ func newLHADialer(dialers []*proxy.Forwarder, webhost string, duration int) prox
 
 func (lha *lhaDialer) nextDialer(dstAddr string) *proxy.Forwarder {
 	var latency int64
-	var d *proxy.Forwarder
-	for _, fwder := range lha.fwdrs {
+	for i, fwder := range lha.fwdrs {
 		if fwder.Enabled() {
 			lha.priority = fwder.Priority
 			latency = fwder.Latency()
-			d = fwder
+			lha.idx = i
 			break
 		}
 	}
 
-	for _, fwder := range lha.fwdrs {
+	for i, fwder := range lha.fwdrs {
 		if fwder.Enabled() && fwder.Priority >= lha.priority && fwder.Latency() < latency {
 			latency = fwder.Latency()
-			d = fwder
+			lha.idx = i
 		}
 	}
 
-	return d
+	return lha.fwdrs[lha.idx]
 }
 
 func (lha *lhaDialer) Dial(network, addr string) (net.Conn, error) {