Source file src/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	}
    59	

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