diff options
Diffstat (limited to 'src/pkg/net/lookup_unix.go')
| -rw-r--r-- | src/pkg/net/lookup_unix.go | 126 | 
1 files changed, 0 insertions, 126 deletions
| diff --git a/src/pkg/net/lookup_unix.go b/src/pkg/net/lookup_unix.go deleted file mode 100644 index 168d3fa6d..000000000 --- a/src/pkg/net/lookup_unix.go +++ /dev/null @@ -1,126 +0,0 @@ -// Copyright 2011 The Go Authors.  All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package net - -import ( -	"os" -	"rand" -	"sort" -) - -// LookupHost looks up the given host using the local resolver. -// It returns an array of that host's addresses. -func LookupHost(host string) (addrs []string, err os.Error) { -	addrs, err, ok := cgoLookupHost(host) -	if !ok { -		addrs, err = goLookupHost(host) -	} -	return -} - -// LookupIP looks up host using the local resolver. -// It returns an array of that host's IPv4 and IPv6 addresses. -func LookupIP(host string) (addrs []IP, err os.Error) { -	addrs, err, ok := cgoLookupIP(host) -	if !ok { -		addrs, err = goLookupIP(host) -	} -	return -} - -// LookupPort looks up the port for the given network and service. -func LookupPort(network, service string) (port int, err os.Error) { -	port, err, ok := cgoLookupPort(network, service) -	if !ok { -		port, err = goLookupPort(network, service) -	} -	return -} - -// LookupCNAME returns the canonical DNS host for the given name. -// Callers that do not care about the canonical name can call -// LookupHost or LookupIP directly; both take care of resolving -// the canonical name as part of the lookup. -func LookupCNAME(name string) (cname string, err os.Error) { -	cname, err, ok := cgoLookupCNAME(name) -	if !ok { -		cname, err = goLookupCNAME(name) -	} -	return -} - -// LookupSRV tries to resolve an SRV query of the given service, -// protocol, and domain name, as specified in RFC 2782. In most cases -// the proto argument can be the same as the corresponding -// Addr.Network(). The returned records are sorted by priority  -// and randomized by weight within a priority. -func LookupSRV(service, proto, name string) (cname string, addrs []*SRV, err os.Error) { -	target := "_" + service + "._" + proto + "." + name -	var records []dnsRR -	cname, records, err = lookup(target, dnsTypeSRV) -	if err != nil { -		return -	} -	addrs = make([]*SRV, len(records)) -	for i, rr := range records { -		r := rr.(*dnsRR_SRV) -		addrs[i] = &SRV{r.Target, r.Port, r.Priority, r.Weight} -	} -	sort.Sort(byPriorityWeight(addrs)) -	i := 0 -	for j := 1; j < len(addrs); j++ { -		if addrs[i].Priority != addrs[j].Priority { -			shuffleSRVByWeight(addrs[i:j]) -			i = j -		} -	} -	shuffleSRVByWeight(addrs[i:len(addrs)]) -	return -} - -// LookupMX returns the DNS MX records for the given domain name sorted by preference. -func LookupMX(name string) (mx []*MX, err os.Error) { -	_, rr, err := lookup(name, dnsTypeMX) -	if err != nil { -		return -	} -	mx = make([]*MX, len(rr)) -	for i := range rr { -		r := rr[i].(*dnsRR_MX) -		mx[i] = &MX{r.Mx, r.Pref} -	} -	// Shuffle the records to match RFC 5321 when sorted -	for i := range mx { -		j := rand.Intn(i + 1) -		mx[i], mx[j] = mx[j], mx[i] -	} -	sort.Sort(byPref(mx)) -	return -} - -// LookupAddr performs a reverse lookup for the given address, returning a list -// of names mapping to that address. -func LookupAddr(addr string) (name []string, err os.Error) { -	name = lookupStaticAddr(addr) -	if len(name) > 0 { -		return -	} -	var arpa string -	arpa, err = reverseaddr(addr) -	if err != nil { -		return -	} -	var records []dnsRR -	_, records, err = lookup(arpa, dnsTypePTR) -	if err != nil { -		return -	} -	name = make([]string, len(records)) -	for i := range records { -		r := records[i].(*dnsRR_PTR) -		name[i] = r.Ptr -	} -	return -} | 
