fix dials removal

client/pool.go

@@ -36,19 +36,19 @@ func connPoolWatchdog(serverAddress string, maxPoolSize int, scene *core.Node) {
 
 	for {
 
-		removed := 0
 		// Check status of existing open connections in pool
-		for i, dial := range dials {
+		i := 0 // output index
+		for _, dial := range dials {
 			if !isConnUp(dial.Connection) { // TBD: this should be moved to check before first write to the socket file descriptor instead of polling here
 				log.Printf("closing bad idle connection and removing from pool - %s", dial.Connection.LocalAddr().String())
 				dial.Connection.Close()
-				removeCompleted := scene.Remove(dial.Mesh)
-				log.Printf("removed: %v", removeCompleted)
-
-				dials = append(dials[:i-removed], dials[i-removed+1:]...)
-				removed++
+				scene.Remove(dial.Mesh)
+				continue
 			}
+			dials[i] = dial
+			i++
 		}
+		dials = dials[:i]
 
 		// fill any empty slots in the pool with fresh connections
 		for poolSize := len(dials); poolSize < maxPoolSize; poolSize++ {