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-rw-r--r--src/syscall/route_darwin.go69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/syscall/route_darwin.go b/src/syscall/route_darwin.go
new file mode 100644
index 0000000..b0636ed
--- /dev/null
+++ b/src/syscall/route_darwin.go
@@ -0,0 +1,69 @@
+// 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 syscall
+
+import "unsafe"
+
+func (any *anyMessage) toRoutingMessage(b []byte) RoutingMessage {
+ switch any.Type {
+ case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
+ p := (*RouteMessage)(unsafe.Pointer(any))
+ return &RouteMessage{Header: p.Header, Data: b[SizeofRtMsghdr:any.Msglen]}
+ case RTM_IFINFO:
+ p := (*InterfaceMessage)(unsafe.Pointer(any))
+ return &InterfaceMessage{Header: p.Header, Data: b[SizeofIfMsghdr:any.Msglen]}
+ case RTM_NEWADDR, RTM_DELADDR:
+ p := (*InterfaceAddrMessage)(unsafe.Pointer(any))
+ return &InterfaceAddrMessage{Header: p.Header, Data: b[SizeofIfaMsghdr:any.Msglen]}
+ case RTM_NEWMADDR2, RTM_DELMADDR:
+ p := (*InterfaceMulticastAddrMessage)(unsafe.Pointer(any))
+ return &InterfaceMulticastAddrMessage{Header: p.Header, Data: b[SizeofIfmaMsghdr2:any.Msglen]}
+ }
+ return nil
+}
+
+// InterfaceMulticastAddrMessage represents a routing message
+// containing network interface address entries.
+//
+// Deprecated: Use golang.org/x/net/route instead.
+type InterfaceMulticastAddrMessage struct {
+ Header IfmaMsghdr2
+ Data []byte
+}
+
+func (m *InterfaceMulticastAddrMessage) sockaddr() ([]Sockaddr, error) {
+ var sas [RTAX_MAX]Sockaddr
+ b := m.Data[:]
+ for i := uint(0); i < RTAX_MAX && len(b) >= minRoutingSockaddrLen; i++ {
+ if m.Header.Addrs&(1<<i) == 0 {
+ continue
+ }
+ rsa := (*RawSockaddr)(unsafe.Pointer(&b[0]))
+ switch rsa.Family {
+ case AF_LINK:
+ sa, err := parseSockaddrLink(b)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[rsaAlignOf(int(rsa.Len)):]
+ case AF_INET, AF_INET6:
+ sa, err := parseSockaddrInet(b, rsa.Family)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[rsaAlignOf(int(rsa.Len)):]
+ default:
+ sa, l, err := parseLinkLayerAddr(b)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[l:]
+ }
+ }
+ return sas[:], nil
+}