github.com/cockroachdb/cockroachdb-parser@v0.23.3-0.20240213214944-911057d40c9a/pkg/util/testaddr_random.go (about) 1 // Copyright 2016 The Cockroach Authors. 2 // 3 // Use of this software is governed by the Business Source License 4 // included in the file licenses/BSL.txt. 5 // 6 // As of the Change Date specified in that file, in accordance with 7 // the Business Source License, use of this software will be governed 8 // by the Apache License, Version 2.0, included in the file 9 // licenses/APL.txt. 10 11 //go:build linux 12 // +build linux 13 14 package util 15 16 import ( 17 "fmt" 18 19 "github.com/cockroachdb/cockroachdb-parser/pkg/util/randutil" 20 ) 21 22 func init() { 23 r, _ := randutil.NewTestRand() 24 // 127.255.255.255 is special (broadcast), so choose values less 25 // than 255. 26 a := r.Intn(255) 27 b := r.Intn(255) 28 c := r.Intn(255) 29 IsolatedTestAddr = NewUnresolvedAddr("tcp", fmt.Sprintf("127.%d.%d.%d:0", a, b, c)) 30 }