[test]Add name filter to proxy group

adapter/outboundgroup/common.go

@@ -1,6 +1,7 @@
 package outboundgroup
 
 import (
+	"regexp"
 	"time"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -11,7 +12,7 @@ const (
 	defaultGetProxiesDuration = time.Second * 5
 )
 
-func getProvidersProxies(providers []provider.ProxyProvider, touch bool) []C.Proxy {
+func getProvidersProxies(providers []provider.ProxyProvider, touch bool, filter string) []C.Proxy {
 	proxies := []C.Proxy{}
 	for _, provider := range providers {
 		if touch {
@@ -20,5 +21,19 @@ func getProvidersProxies(providers []provider.ProxyProvider, touch bool) []C.Pro
 			proxies = append(proxies, provider.Proxies()...)
 		}
 	}
+	var filterReg *regexp.Regexp = nil
+	matchedProxies := []C.Proxy{}
+	if len(filter) > 0 {
+		filterReg = regexp.MustCompile(filter)
+		for _, p := range proxies {
+			if filterReg.MatchString(p.Name()) {
+				matchedProxies = append(matchedProxies, p)
+			}
+		}
+		//if no proxy matched, means bad filter, return all proxies
+		if len(matchedProxies) > 0 {
+			proxies = matchedProxies
+		}
+	}
 	return proxies
 }

adapter/outboundgroup/fallback.go

@@ -17,6 +17,7 @@ import (
 type Fallback struct {
 	*outbound.Base
 	disableUDP  bool
+	filter      string
 	single      *singledo.Single
 	providers   []provider.ProxyProvider
 	failedTimes *atomic.Int32
@@ -113,7 +114,7 @@ func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (f *Fallback) proxies(touch bool) []C.Proxy {
 	elm, _, _ := f.single.Do(func() (interface{}, error) {
-		return getProvidersProxies(f.providers, touch), nil
+		return getProvidersProxies(f.providers, touch, f.filter), nil
 	})
 
 	return elm.([]C.Proxy)
@@ -141,6 +142,7 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 		single:      singledo.NewSingle(defaultGetProxiesDuration),
 		providers:   providers,
 		disableUDP:  option.DisableUDP,
+		filter:      option.Filter,
 		failedTimes: atomic.NewInt32(-1),
 		failedTime:  atomic.NewInt64(-1),
 	}

adapter/outboundgroup/loadbalance.go

@@ -23,6 +23,7 @@ type LoadBalance struct {
 	*outbound.Base
 	disableUDP bool
 	single     *singledo.Single
+	filter     string
 	providers  []provider.ProxyProvider
 	strategyFn strategyFn
 }
@@ -141,7 +142,7 @@ func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (lb *LoadBalance) proxies(touch bool) []C.Proxy {
 	elm, _, _ := lb.single.Do(func() (interface{}, error) {
-		return getProvidersProxies(lb.providers, touch), nil
+		return getProvidersProxies(lb.providers, touch, lb.filter), nil
 	})
 
 	return elm.([]C.Proxy)
@@ -180,5 +181,6 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 		providers:  providers,
 		strategyFn: strategyFn,
 		disableUDP: option.DisableUDP,
+		filter:     option.Filter,
 	}, nil
 }

adapter/outboundgroup/parser.go

@@ -29,6 +29,7 @@ type GroupCommonOption struct {
 	Interval   int      `group:"interval,omitempty"`
 	Lazy       bool     `group:"lazy,omitempty"`
 	DisableUDP bool     `group:"disable-udp,omitempty"`
+	Filter     string   `group:"filter,omitempty"`
 }
 
 func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
@@ -95,6 +96,8 @@ func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy,
 			return nil, err
 		}
 		providers = append(providers, list...)
+	} else {
+		groupOption.Filter = ""
 	}
 
 	var group C.ProxyAdapter

adapter/outboundgroup/relay.go

@@ -16,6 +16,7 @@ type Relay struct {
 	*outbound.Base
 	single    *singledo.Single
 	providers []provider.ProxyProvider
+	filter    string
 }
 
 // DialContext implements C.ProxyAdapter
@@ -80,7 +81,7 @@ func (r *Relay) MarshalJSON() ([]byte, error) {
 
 func (r *Relay) rawProxies(touch bool) []C.Proxy {
 	elm, _, _ := r.single.Do(func() (interface{}, error) {
-		return getProvidersProxies(r.providers, touch), nil
+		return getProvidersProxies(r.providers, touch, r.filter), nil
 	})
 
 	return elm.([]C.Proxy)
@@ -110,5 +111,6 @@ func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Re
 		}),
 		single:    singledo.NewSingle(defaultGetProxiesDuration),
 		providers: providers,
+		filter:    option.Filter,
 	}
 }

adapter/outboundgroup/selector.go

@@ -17,6 +17,7 @@ type Selector struct {
 	disableUDP bool
 	single     *singledo.Single
 	selected   string
+	filter     string
 	providers  []provider.ProxyProvider
 }
 
@@ -50,7 +51,7 @@ func (s *Selector) SupportUDP() bool {
 // MarshalJSON implements C.ProxyAdapter
 func (s *Selector) MarshalJSON() ([]byte, error) {
 	var all []string
-	for _, proxy := range getProvidersProxies(s.providers, false) {
+	for _, proxy := range getProvidersProxies(s.providers, false, s.filter) {
 		all = append(all, proxy.Name())
 	}
 
@@ -66,7 +67,7 @@ func (s *Selector) Now() string {
 }
 
 func (s *Selector) Set(name string) error {
-	for _, proxy := range getProvidersProxies(s.providers, false) {
+	for _, proxy := range getProvidersProxies(s.providers, false, s.filter) {
 		if proxy.Name() == name {
 			s.selected = name
 			s.single.Reset()
@@ -84,7 +85,7 @@ func (s *Selector) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (s *Selector) selectedProxy(touch bool) C.Proxy {
 	elm, _, _ := s.single.Do(func() (interface{}, error) {
-		proxies := getProvidersProxies(s.providers, touch)
+		proxies := getProvidersProxies(s.providers, touch, s.filter)
 		for _, proxy := range proxies {
 			if proxy.Name() == s.selected {
 				return proxy, nil
@@ -110,5 +111,6 @@ func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider)
 		providers:  providers,
 		selected:   selected,
 		disableUDP: option.DisableUDP,
+		filter:     option.Filter,
 	}
 }

adapter/outboundgroup/urltest.go

@@ -27,6 +27,7 @@ type URLTest struct {
 	tolerance   uint16
 	disableUDP  bool
 	fastNode    C.Proxy
+	filter      string
 	single      *singledo.Single
 	fastSingle  *singledo.Single
 	providers   []provider.ProxyProvider
@@ -73,7 +74,7 @@ func (u *URLTest) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (u *URLTest) proxies(touch bool) []C.Proxy {
 	elm, _, _ := u.single.Do(func() (interface{}, error) {
-		return getProvidersProxies(u.providers, touch), nil
+		return getProvidersProxies(u.providers, touch, u.filter), nil
 	})
 
 	return elm.([]C.Proxy)
@@ -184,6 +185,7 @@ func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, o
 		fastSingle:  singledo.NewSingle(time.Second * 10),
 		providers:   providers,
 		disableUDP:  option.DisableUDP,
+		filter:      option.Filter,
 		failedTimes: atomic.NewInt32(-1),
 		failedTime:  atomic.NewInt64(-1),
 	}