diff options
Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_darwin.go')
-rw-r--r-- | vendor/golang.org/x/net/ipv4/sys_darwin.go | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sys_darwin.go b/vendor/golang.org/x/net/ipv4/sys_darwin.go new file mode 100644 index 0000000..cac6f3c --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_darwin.go @@ -0,0 +1,69 @@ +// Copyright 2014 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 ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + ctlPacketInfo: {unix.IP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: unix.SizeofIPMreqn}, typ: ssoTypeIPMreqn}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoStripHeader: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_STRIPHDR, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoPacketInfo: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVPKTINFO, Len: 4}}, + } +) + +func (pi *inetPktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} |