google.golang.org/grpc@v1.72.2/balancer/pickfirst/internal/internal.go (about)

     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  )