libgo/go/net/lookup_fake.go

   1 // Copyright 2011 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 // +build nacl js,wasm
   6
   7 package net
   8
   9 import (
  10         "context"
  11         "syscall"
  12 )
  13
  14 func lookupProtocol(ctx context.Context, name string) (proto int, err error) {
  15         return lookupProtocolMap(name)
  16 }
  17
  18 func (*Resolver) lookupHost(ctx context.Context, host string) (addrs []string, err error) {
  19         return nil, syscall.ENOPROTOOPT
  20 }
  21
  22 func (*Resolver) lookupIP(ctx context.Context, network, host string) (addrs []IPAddr, err error) {
  23         return nil, syscall.ENOPROTOOPT
  24 }
  25
  26 func (*Resolver) lookupPort(ctx context.Context, network, service string) (port int, err error) {
  27         return goLookupPort(network, service)
  28 }
  29
  30 func (*Resolver) lookupCNAME(ctx context.Context, name string) (cname string, err error) {
  31         return "", syscall.ENOPROTOOPT
  32 }
  33
  34 func (*Resolver) lookupSRV(ctx context.Context, service, proto, name string) (cname string, srvs []*SRV, err error) {
  35         return "", nil, syscall.ENOPROTOOPT
  36 }
  37
  38 func (*Resolver) lookupMX(ctx context.Context, name string) (mxs []*MX, err error) {
  39         return nil, syscall.ENOPROTOOPT
  40 }
  41
  42 func (*Resolver) lookupNS(ctx context.Context, name string) (nss []*NS, err error) {
  43         return nil, syscall.ENOPROTOOPT
  44 }
  45
  46 func (*Resolver) lookupTXT(ctx context.Context, name string) (txts []string, err error) {
  47         return nil, syscall.ENOPROTOOPT
  48 }
  49
  50 func (*Resolver) lookupAddr(ctx context.Context, addr string) (ptrs []string, err error) {
  51         return nil, syscall.ENOPROTOOPT
  52 }
  53
  54 // concurrentThreadsLimit returns the number of threads we permit to
  55 // run concurrently doing DNS lookups.
  56 func concurrentThreadsLimit() int {
  57         return 500
  58 }