1 /*
2 * Copyright 2024 gRPC authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17 18 // Package internal contains code internal to the pickfirst package.
19 package internal
20 21 import (
22 rand "math/rand/v2"
23 "time"
24 )
25 26 var (
27 // RandShuffle pseudo-randomizes the order of addresses.
28 RandShuffle = rand.Shuffle
29 // TimeAfterFunc allows mocking the timer for testing connection delay
30 // related functionality.
31 TimeAfterFunc = func(d time.Duration, f func()) func() {
32 timer := time.AfterFunc(d, f)
33 return func() { timer.Stop() }
34 }
35 )
36