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Diffstat (limited to 'vendor/golang.org/x/net/route/sys_darwin.go')
-rw-r--r--vendor/golang.org/x/net/route/sys_darwin.go87
1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/route/sys_darwin.go b/vendor/golang.org/x/net/route/sys_darwin.go
new file mode 100644
index 0000000..d2daf5c
--- /dev/null
+++ b/vendor/golang.org/x/net/route/sys_darwin.go
@@ -0,0 +1,87 @@
+// Copyright 2016 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 route
+
+func (typ RIBType) parseable() bool {
+ switch typ {
+ case sysNET_RT_STAT, sysNET_RT_TRASH:
+ return false
+ default:
+ return true
+ }
+}
+
+// RouteMetrics represents route metrics.
+type RouteMetrics struct {
+ PathMTU int // path maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (rmx *RouteMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *RouteMessage) Sys() []Sys {
+ return []Sys{
+ &RouteMetrics{
+ PathMTU: int(nativeEndian.Uint32(m.raw[m.extOff+4 : m.extOff+8])),
+ },
+ }
+}
+
+// InterfaceMetrics represents interface metrics.
+type InterfaceMetrics struct {
+ Type int // interface type
+ MTU int // maximum transmission unit
+}
+
+// SysType implements the SysType method of Sys interface.
+func (imx *InterfaceMetrics) SysType() SysType { return SysMetrics }
+
+// Sys implements the Sys method of Message interface.
+func (m *InterfaceMessage) Sys() []Sys {
+ return []Sys{
+ &InterfaceMetrics{
+ Type: int(m.raw[m.extOff]),
+ MTU: int(nativeEndian.Uint32(m.raw[m.extOff+8 : m.extOff+12])),
+ },
+ }
+}
+
+func probeRoutingStack() (int, map[int]*wireFormat) {
+ rtm := &wireFormat{extOff: 36, bodyOff: sizeofRtMsghdrDarwin15}
+ rtm.parse = rtm.parseRouteMessage
+ rtm2 := &wireFormat{extOff: 36, bodyOff: sizeofRtMsghdr2Darwin15}
+ rtm2.parse = rtm2.parseRouteMessage
+ ifm := &wireFormat{extOff: 16, bodyOff: sizeofIfMsghdrDarwin15}
+ ifm.parse = ifm.parseInterfaceMessage
+ ifm2 := &wireFormat{extOff: 32, bodyOff: sizeofIfMsghdr2Darwin15}
+ ifm2.parse = ifm2.parseInterfaceMessage
+ ifam := &wireFormat{extOff: sizeofIfaMsghdrDarwin15, bodyOff: sizeofIfaMsghdrDarwin15}
+ ifam.parse = ifam.parseInterfaceAddrMessage
+ ifmam := &wireFormat{extOff: sizeofIfmaMsghdrDarwin15, bodyOff: sizeofIfmaMsghdrDarwin15}
+ ifmam.parse = ifmam.parseInterfaceMulticastAddrMessage
+ ifmam2 := &wireFormat{extOff: sizeofIfmaMsghdr2Darwin15, bodyOff: sizeofIfmaMsghdr2Darwin15}
+ ifmam2.parse = ifmam2.parseInterfaceMulticastAddrMessage
+ // Darwin kernels require 32-bit aligned access to routing facilities.
+ return 4, map[int]*wireFormat{
+ sysRTM_ADD: rtm,
+ sysRTM_DELETE: rtm,
+ sysRTM_CHANGE: rtm,
+ sysRTM_GET: rtm,
+ sysRTM_LOSING: rtm,
+ sysRTM_REDIRECT: rtm,
+ sysRTM_MISS: rtm,
+ sysRTM_LOCK: rtm,
+ sysRTM_RESOLVE: rtm,
+ sysRTM_NEWADDR: ifam,
+ sysRTM_DELADDR: ifam,
+ sysRTM_IFINFO: ifm,
+ sysRTM_NEWMADDR: ifmam,
+ sysRTM_DELMADDR: ifmam,
+ sysRTM_IFINFO2: ifm2,
+ sysRTM_NEWMADDR2: ifmam2,
+ sysRTM_GET2: rtm2,
+ }
+}