Fix: rename delay --> interval

README.md

@@ -109,10 +109,10 @@ Proxy:
 
 Proxy Group:
 # url-test select which proxy will be used by benchmarking speed to a URL.
-- { name: "auto", type: url-test, proxies: ["ss1", "ss2", "vmess1"], url: http://www.gstatic.com/generate_204, delay: 300 }
+- { name: "auto", type: url-test, proxies: ["ss1", "ss2", "vmess1"], url: http://www.gstatic.com/generate_204, interval: 300 }
 
 # fallback select an available policy by priority. The availability is tested by accessing an URL, just like an auto url-test group.
-- { name: "fallback-auto", type: fallback, proxies: ["ss1", "ss2", "vmess1"], url: http://www.gstatic.com/generate_204, delay: 300 }
+- { name: "fallback-auto", type: fallback, proxies: ["ss1", "ss2", "vmess1"], url: http://www.gstatic.com/generate_204, interval: 300 }
 
 # select is used for selecting proxy or proxy group
 # you can use RESTful API to switch proxy, is recommended for use in GUI.

adapters/outbound/fallback.go

@@ -17,7 +17,7 @@ type Fallback struct {
 	name     string
 	proxies  []*proxy
 	rawURL   string
-	delay   time.Duration
+	interval time.Duration
 	done     chan struct{}
 }
 
@@ -25,7 +25,7 @@ type FallbackOption struct {
 	Name     string   `proxy:"name"`
 	Proxies  []string `proxy:"proxies"`
 	URL      string   `proxy:"url"`
-	Delay   int      `proxy:"delay"`
+	Interval int      `proxy:"interval"`
 }
 
 func (f *Fallback) Name() string {
@@ -68,7 +68,7 @@ func (f *Fallback) Close() {
 }
 
 func (f *Fallback) loop() {
-	tick := time.NewTicker(f.delay)
+	tick := time.NewTicker(f.interval)
 	go f.validTest()
 Loop:
 	for {
@@ -115,7 +115,7 @@ func NewFallback(option FallbackOption, proxies []C.Proxy) (*Fallback, error) {
 		return nil, errors.New("The number of proxies cannot be 0")
 	}
 
-	delay := time.Duration(option.Delay) * time.Second
+	interval := time.Duration(option.Interval) * time.Second
 	warpperProxies := make([]*proxy, len(proxies))
 	for idx := range proxies {
 		warpperProxies[idx] = &proxy{
@@ -128,7 +128,7 @@ func NewFallback(option FallbackOption, proxies []C.Proxy) (*Fallback, error) {
 		name:     option.Name,
 		proxies:  warpperProxies,
 		rawURL:   option.URL,
-		delay:   delay,
+		interval: interval,
 		done:     make(chan struct{}),
 	}
 	go Fallback.loop()

adapters/outbound/urltest.go

@@ -13,7 +13,7 @@ type URLTest struct {
 	proxies  []C.Proxy
 	rawURL   string
 	fast     C.Proxy
-	delay   time.Duration
+	interval time.Duration
 	done     chan struct{}
 }
 
@@ -21,7 +21,7 @@ type URLTestOption struct {
 	Name     string   `proxy:"name"`
 	Proxies  []string `proxy:"proxies"`
 	URL      string   `proxy:"url"`
-	Delay   int      `proxy:"delay"`
+	Interval int      `proxy:"interval"`
 }
 
 func (u *URLTest) Name() string {
@@ -45,7 +45,7 @@ func (u *URLTest) Close() {
 }
 
 func (u *URLTest) loop() {
-	tick := time.NewTicker(u.delay)
+	tick := time.NewTicker(u.interval)
 	go u.speedTest()
 Loop:
 	for {
@@ -63,7 +63,7 @@ func (u *URLTest) speedTest() {
 	wg.Add(len(u.proxies))
 	c := make(chan interface{})
 	fast := selectFast(c)
-	timer := time.NewTimer(u.delay)
+	timer := time.NewTimer(u.interval)
 
 	for _, p := range u.proxies {
 		go func(p C.Proxy) {
@@ -100,13 +100,13 @@ func NewURLTest(option URLTestOption, proxies []C.Proxy) (*URLTest, error) {
 		return nil, errors.New("The number of proxies cannot be 0")
 	}
 
-	delay := time.Duration(option.Delay) * time.Second
+	interval := time.Duration(option.Interval) * time.Second
 	urlTest := &URLTest{
 		name:     option.Name,
 		proxies:  proxies[:],
 		rawURL:   option.URL,
 		fast:     proxies[0],
-		delay:   delay,
+		interval: interval,
 		done:     make(chan struct{}),
 	}
 	go urlTest.loop()