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Diffstat (limited to 'gcc-4.8.1/libgo/go/net/ipsock.go')
-rw-r--r--gcc-4.8.1/libgo/go/net/ipsock.go190
1 files changed, 0 insertions, 190 deletions
diff --git a/gcc-4.8.1/libgo/go/net/ipsock.go b/gcc-4.8.1/libgo/go/net/ipsock.go
deleted file mode 100644
index 5636c85b4..000000000
--- a/gcc-4.8.1/libgo/go/net/ipsock.go
+++ /dev/null
@@ -1,190 +0,0 @@
-// Copyright 2009 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.
-
-// Internet protocol family sockets
-
-package net
-
-import "time"
-
-var supportsIPv6, supportsIPv4map bool
-
-func init() {
- sysInit()
- supportsIPv6, supportsIPv4map = probeIPv6Stack()
-}
-
-func firstFavoriteAddr(filter func(IP) IP, addrs []string) (addr IP) {
- if filter == nil {
- // We'll take any IP address, but since the dialing code
- // does not yet try multiple addresses, prefer to use
- // an IPv4 address if possible. This is especially relevant
- // if localhost resolves to [ipv6-localhost, ipv4-localhost].
- // Too much code assumes localhost == ipv4-localhost.
- addr = firstSupportedAddr(ipv4only, addrs)
- if addr == nil {
- addr = firstSupportedAddr(anyaddr, addrs)
- }
- } else {
- addr = firstSupportedAddr(filter, addrs)
- }
- return
-}
-
-func firstSupportedAddr(filter func(IP) IP, addrs []string) IP {
- for _, s := range addrs {
- if addr := filter(ParseIP(s)); addr != nil {
- return addr
- }
- }
- return nil
-}
-
-func anyaddr(x IP) IP {
- if x4 := x.To4(); x4 != nil {
- return x4
- }
- if supportsIPv6 {
- return x
- }
- return nil
-}
-
-func ipv4only(x IP) IP { return x.To4() }
-
-func ipv6only(x IP) IP {
- // Only return addresses that we can use
- // with the kernel's IPv6 addressing modes.
- if len(x) == IPv6len && x.To4() == nil && supportsIPv6 {
- return x
- }
- return nil
-}
-
-type InvalidAddrError string
-
-func (e InvalidAddrError) Error() string { return string(e) }
-func (e InvalidAddrError) Timeout() bool { return false }
-func (e InvalidAddrError) Temporary() bool { return false }
-
-// SplitHostPort splits a network address of the form
-// "host:port" or "[host]:port" into host and port.
-// The latter form must be used when host contains a colon.
-func SplitHostPort(hostport string) (host, port string, err error) {
- host, port, _, err = splitHostPort(hostport)
- return
-}
-
-func splitHostPort(hostport string) (host, port, zone string, err error) {
- // The port starts after the last colon.
- i := last(hostport, ':')
- if i < 0 {
- err = &AddrError{"missing port in address", hostport}
- return
- }
- host, port = hostport[:i], hostport[i+1:]
- // Can put brackets around host ...
- if len(host) > 0 && host[0] == '[' && host[len(host)-1] == ']' {
- host = host[1 : len(host)-1]
- } else {
- // ... but if there are no brackets, no colons.
- if byteIndex(host, ':') >= 0 {
- err = &AddrError{"too many colons in address", hostport}
- return
- }
- }
- return
-}
-
-// JoinHostPort combines host and port into a network address
-// of the form "host:port" or, if host contains a colon, "[host]:port".
-func JoinHostPort(host, port string) string {
- // If host has colons, have to bracket it.
- if byteIndex(host, ':') >= 0 {
- return "[" + host + "]:" + port
- }
- return host + ":" + port
-}
-
-func resolveInternetAddr(net, addr string, deadline time.Time) (Addr, error) {
- var (
- err error
- host, port, zone string
- portnum int
- )
- switch net {
- case "tcp", "tcp4", "tcp6", "udp", "udp4", "udp6":
- if addr != "" {
- if host, port, zone, err = splitHostPort(addr); err != nil {
- return nil, err
- }
- if portnum, err = parsePort(net, port); err != nil {
- return nil, err
- }
- }
- case "ip", "ip4", "ip6":
- if addr != "" {
- host = addr
- }
- default:
- return nil, UnknownNetworkError(net)
- }
- inetaddr := func(net string, ip IP, port int, zone string) Addr {
- switch net {
- case "tcp", "tcp4", "tcp6":
- return &TCPAddr{IP: ip, Port: port, Zone: zone}
- case "udp", "udp4", "udp6":
- return &UDPAddr{IP: ip, Port: port, Zone: zone}
- case "ip", "ip4", "ip6":
- return &IPAddr{IP: ip, Zone: zone}
- }
- return nil
- }
- if host == "" {
- return inetaddr(net, nil, portnum, zone), nil
- }
- // Try as an IP address.
- if ip := ParseIP(host); ip != nil {
- return inetaddr(net, ip, portnum, zone), nil
- }
- var filter func(IP) IP
- if net != "" && net[len(net)-1] == '4' {
- filter = ipv4only
- }
- if net != "" && net[len(net)-1] == '6' {
- filter = ipv6only
- }
- // Try as a DNS name.
- addrs, err := lookupHostDeadline(host, deadline)
- if err != nil {
- return nil, err
- }
- ip := firstFavoriteAddr(filter, addrs)
- if ip == nil {
- // should not happen
- return nil, &AddrError{"LookupHost returned no suitable address", addrs[0]}
- }
- return inetaddr(net, ip, portnum, zone), nil
-}
-
-func zoneToString(zone int) string {
- if zone == 0 {
- return ""
- }
- if ifi, err := InterfaceByIndex(zone); err == nil {
- return ifi.Name
- }
- return itod(uint(zone))
-}
-
-func zoneToInt(zone string) int {
- if zone == "" {
- return 0
- }
- if ifi, err := InterfaceByName(zone); err == nil {
- return ifi.Index
- }
- n, _, _ := dtoi(zone, 0)
- return n
-}