chore: add lock in baseProvider for thread-safe

adapter/provider/provider.go

@@ -8,6 +8,7 @@ import (
 	"reflect"
 	"runtime"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/metacubex/mihomo/adapter"
@@ -43,6 +44,7 @@ type providerForApi struct {
 }
 
 type baseProvider struct {
+	mutex       sync.RWMutex
 	name        string
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
@@ -54,6 +56,8 @@ func (bp *baseProvider) Name() string {
 }
 
 func (bp *baseProvider) Version() uint32 {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.version
 }
 
@@ -73,10 +77,14 @@ func (bp *baseProvider) Type() P.ProviderType {
 }
 
 func (bp *baseProvider) Proxies() []C.Proxy {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.proxies
 }
 
 func (bp *baseProvider) Count() int {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return len(bp.proxies)
 }
 
@@ -93,6 +101,8 @@ func (bp *baseProvider) RegisterHealthCheckTask(url string, expectedStatus utils
 }
 
 func (bp *baseProvider) setProxies(proxies []C.Proxy) {
+	bp.mutex.Lock()
+	defer bp.mutex.Unlock()
 	bp.proxies = proxies
 	bp.version += 1
 	bp.healthCheck.setProxies(proxies)