libgo/go/net/hook.go

   1 // Copyright 2015 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package net
   6
   7 import "context"
   8
   9 var (
  10         // if non-nil, overrides dialTCP.
  11         testHookDialTCP func(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error)
  12
  13         testHookHostsPath = "/etc/hosts"
  14         testHookLookupIP  = func(
  15                 ctx context.Context,
  16                 fn func(context.Context, string) ([]IPAddr, error),
  17                 host string,
  18         ) ([]IPAddr, error) {
  19                 return fn(ctx, host)
  20         }
  21         testHookSetKeepAlive = func() {}
  22 )