add dht limit

src/server/settings/Settings.go

@@ -18,8 +18,8 @@ func init() {
 	sets.CacheSize = 200 * 1024 * 1024
 	sets.PreloadBufferSize = 20 * 1024 * 1024
 	sets.ConnectionsLimit = 100
+	sets.DhtConnectionLimit = 500
 	sets.RetrackersMode = 1
-	sets.DisableDHT = true
 	StartTime = time.Now()
 }
 
@@ -39,6 +39,7 @@ type Settings struct {
 	DownloadRateLimit  int // in kb, 0 - inf
 	UploadRateLimit    int // in kb, 0 - inf
 	ConnectionsLimit   int
+	DhtConnectionLimit int // 0 - inf
 	PeersListenPort    int
 }
 
@@ -74,7 +75,10 @@ func ReadSettings() error {
 		return err
 	}
 	if sets.ConnectionsLimit <= 0 {
-		sets.ConnectionsLimit = 50
+		sets.ConnectionsLimit = 100
+	}
+	if sets.DhtConnectionLimit < 0 {
+		sets.DhtConnectionLimit = 500
 	}
 	if sets.CacheSize <= 0 {
 		sets.CacheSize = 200 * 1024 * 1024