本文整理汇总了Golang中github.com/osrg/gobgp/packet/bgp.NewPathAttributeOrigin函数的典型用法代码示例。如果您正苦于以下问题:Golang NewPathAttributeOrigin函数的具体用法?Golang NewPathAttributeOrigin怎么用?Golang NewPathAttributeOrigin使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了NewPathAttributeOrigin函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestPathPrependAsnToExistingSeqAttr
func TestPathPrependAsnToExistingSeqAttr(t *testing.T) {
assert := assert.New(t)
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_SEQ, []uint16{65001, 65002, 65003, 65004, 65005}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_SET, []uint16{65001, 65002, 65003, 65004, 65005}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SEQ, []uint16{65100, 65101, 65102}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SET, []uint16{65100, 65101})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.50.1")
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
}
nlri := []*bgp.IPAddrPrefix{bgp.NewIPAddrPrefix(24, "10.10.10.0")}
bgpmsg := bgp.NewBGPUpdateMessage(nil, pathAttributes, nlri)
update := bgpmsg.Body.(*bgp.BGPUpdate)
UpdatePathAttrs4ByteAs(update)
peer := PathCreatePeer()
p := NewPath(peer[0], update.NLRI[0], false, update.PathAttributes, time.Now(), false)
p.PrependAsn(65000, 1)
assert.Equal([]uint32{65000, 65001, 65002, 65003, 65004, 65005, 0, 0, 0}, p.GetAsSeqList())
fmt.Printf("asns: %v", p.GetAsSeqList())
}
示例2: TestTimeTieBreaker
func TestTimeTieBreaker(t *testing.T) {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{65001})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("10.0.0.1")
med := bgp.NewPathAttributeMultiExitDisc(0)
pathAttributes := []bgp.PathAttributeInterface{origin, aspath, nexthop, med}
nlri := bgp.NewIPAddrPrefix(24, "10.10.0.0")
updateMsg := bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
peer1 := &PeerInfo{AS: 2, LocalAS: 1, Address: net.IP{1, 1, 1, 1}, ID: net.IP{1, 1, 1, 1}}
path1 := ProcessMessage(updateMsg, peer1, time.Now())[0]
peer2 := &PeerInfo{AS: 2, LocalAS: 1, Address: net.IP{2, 2, 2, 2}, ID: net.IP{2, 2, 2, 2}} // weaker router-id
path2 := ProcessMessage(updateMsg, peer2, time.Now().Add(-1*time.Hour))[0] // older than path1
d := NewDestination(nlri)
d.AddNewPath(path1)
d.AddNewPath(path2)
d.Calculate(nil)
assert.Equal(t, len(d.knownPathList), 2)
assert.Equal(t, true, d.GetBestPath("").GetSource().ID.Equal(net.IP{2, 2, 2, 2})) // path from peer2 win
// this option disables tie breaking by age
SelectionOptions.ExternalCompareRouterId = true
d = NewDestination(nlri)
d.AddNewPath(path1)
d.AddNewPath(path2)
d.Calculate(nil)
assert.Equal(t, len(d.knownPathList), 2)
assert.Equal(t, true, d.GetBestPath("").GetSource().ID.Equal(net.IP{1, 1, 1, 1})) // path from peer1 win
}
示例3: TestMrtRibEntry
func TestMrtRibEntry(t *testing.T) {
aspath1 := []bgp.AsPathParamInterface{
bgp.NewAsPathParam(2, []uint16{1000}),
bgp.NewAsPathParam(1, []uint16{1001, 1002}),
bgp.NewAsPathParam(2, []uint16{1003, 1004}),
}
p := []bgp.PathAttributeInterface{
bgp.NewPathAttributeOrigin(3),
bgp.NewPathAttributeAsPath(aspath1),
bgp.NewPathAttributeNextHop("129.1.1.2"),
bgp.NewPathAttributeMultiExitDisc(1 << 20),
bgp.NewPathAttributeLocalPref(1 << 22),
}
e1 := NewRibEntry(1, uint32(time.Now().Unix()), p)
b1, err := e1.Serialize()
if err != nil {
t.Fatal(err)
}
e2 := &RibEntry{}
rest, err := e2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, len(rest), 0)
assert.Equal(t, reflect.DeepEqual(e1, e2), true)
}
示例4: TestMrtRib
func TestMrtRib(t *testing.T) {
aspath1 := []bgp.AsPathParamInterface{
bgp.NewAsPathParam(2, []uint16{1000}),
bgp.NewAsPathParam(1, []uint16{1001, 1002}),
bgp.NewAsPathParam(2, []uint16{1003, 1004}),
}
p := []bgp.PathAttributeInterface{
bgp.NewPathAttributeOrigin(3),
bgp.NewPathAttributeAsPath(aspath1),
bgp.NewPathAttributeNextHop("129.1.1.2"),
bgp.NewPathAttributeMultiExitDisc(1 << 20),
bgp.NewPathAttributeLocalPref(1 << 22),
}
e1 := NewRibEntry(1, uint32(time.Now().Unix()), p)
e2 := NewRibEntry(2, uint32(time.Now().Unix()), p)
e3 := NewRibEntry(3, uint32(time.Now().Unix()), p)
r1 := NewRib(1, bgp.NewIPAddrPrefix(24, "192.168.0.0"), []*RibEntry{e1, e2, e3})
b1, err := r1.Serialize()
if err != nil {
t.Fatal(err)
}
r2 := &Rib{
RouteFamily: bgp.RF_IPv4_UC,
}
err = r2.DecodeFromBytes(b1)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, reflect.DeepEqual(r1, r2), true)
}
示例5: AddVrf
func (manager *TableManager) AddVrf(name string, id uint32, rd bgp.RouteDistinguisherInterface, importRt, exportRt []bgp.ExtendedCommunityInterface, info *PeerInfo) ([]*Path, error) {
if _, ok := manager.Vrfs[name]; ok {
return nil, fmt.Errorf("vrf %s already exists", name)
}
log.WithFields(log.Fields{
"Topic": "Vrf",
"Key": name,
"Rd": rd,
"ImportRt": importRt,
"ExportRt": exportRt,
}).Debugf("add vrf")
manager.Vrfs[name] = &Vrf{
Name: name,
Id: id,
Rd: rd,
ImportRt: importRt,
ExportRt: exportRt,
}
msgs := make([]*Path, 0, len(importRt))
nexthop := "0.0.0.0"
for _, target := range importRt {
nlri := bgp.NewRouteTargetMembershipNLRI(info.AS, target)
pattr := make([]bgp.PathAttributeInterface, 0, 2)
pattr = append(pattr, bgp.NewPathAttributeOrigin(bgp.BGP_ORIGIN_ATTR_TYPE_IGP))
pattr = append(pattr, bgp.NewPathAttributeMpReachNLRI(nexthop, []bgp.AddrPrefixInterface{nlri}))
msgs = append(msgs, NewPath(info, nlri, false, pattr, time.Now(), false))
}
return msgs, nil
}
示例6: AddLocalProtoRoute
//AddLocalProtoRoute is used to add local endpoint to the protocol RIB
func (self *OfnetBgp) AddLocalProtoRoute(pathInfo []*OfnetProtoRouteInfo) error {
if self.routerIP == "" {
//ignoring populating to the bgp rib because
//Bgp is not configured.
return nil
}
log.Infof("Received AddLocalProtoRoute to add local endpoint to protocol RIB: %+v", pathInfo)
// add routes
attrs := []bgp.PathAttributeInterface{
bgp.NewPathAttributeOrigin(1),
bgp.NewPathAttributeNextHop(pathInfo[0].nextHopIP),
bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(bgp.BGP_ASPATH_ATTR_TYPE_SEQ, []uint32{self.myBgpAs})}),
}
paths := []*table.Path{}
for _, path := range pathInfo {
paths = append(paths, table.NewPath(nil, bgp.NewIPAddrPrefix(32, path.localEpIP), false, attrs, time.Now(), false))
}
_, err := self.bgpServer.AddPath("", paths)
if err != nil {
return err
}
return nil
}
示例7: TestASPathLen
func TestASPathLen(t *testing.T) {
assert := assert.New(t)
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_SEQ, []uint16{65001, 65002, 65003, 65004, 65004, 65004, 65004, 65004, 65005}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_SET, []uint16{65001, 65002, 65003, 65004, 65005}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SEQ, []uint16{65100, 65101, 65102}),
bgp.NewAsPathParam(bgp.BGP_ASPATH_ATTR_TYPE_CONFED_SET, []uint16{65100, 65101})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.50.1")
med := bgp.NewPathAttributeMultiExitDisc(0)
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
med,
}
nlri := []*bgp.IPAddrPrefix{bgp.NewIPAddrPrefix(24, "10.10.10.0")}
bgpmsg := bgp.NewBGPUpdateMessage(nil, pathAttributes, nlri)
update := bgpmsg.Body.(*bgp.BGPUpdate)
UpdatePathAttrs4ByteAs(update)
peer := PathCreatePeer()
p := NewPath(peer[0], update.NLRI[0], false, update.PathAttributes, time.Now(), false)
assert.Equal(10, p.GetAsPathLen())
}
示例8: TestImplicitWithdrawCalculate
func TestImplicitWithdrawCalculate(t *testing.T) {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{65001})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("10.0.0.1")
med := bgp.NewPathAttributeMultiExitDisc(0)
pathAttributes := []bgp.PathAttributeInterface{origin, aspath, nexthop, med}
nlri := bgp.NewIPAddrPrefix(24, "10.10.0.101")
updateMsg := bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
peer1 := &PeerInfo{AS: 1, Address: net.IP{1, 1, 1, 1}}
path1 := ProcessMessage(updateMsg, peer1, time.Now())[0]
path1.Filter("1", POLICY_DIRECTION_IMPORT)
// suppose peer2 has import policy to prepend as-path
action := &AsPathPrependAction{
asn: 100,
repeat: 1,
}
path2 := action.Apply(path1.Clone(false), nil)
path1.Filter("2", POLICY_DIRECTION_IMPORT)
path2.Filter("1", POLICY_DIRECTION_IMPORT)
path2.Filter("3", POLICY_DIRECTION_IMPORT)
d := NewDestination(nlri)
d.AddNewPath(path1)
d.AddNewPath(path2)
d.Calculate(nil)
assert.Equal(t, len(d.GetKnownPathList("1")), 0) // peer "1" is the originator
assert.Equal(t, len(d.GetKnownPathList("2")), 1)
assert.Equal(t, d.GetKnownPathList("2")[0].GetAsString(), "100 65001") // peer "2" has modified path {100, 65001}
assert.Equal(t, len(d.GetKnownPathList("3")), 1)
assert.Equal(t, d.GetKnownPathList("3")[0].GetAsString(), "65001") // peer "3" has original path {65001}
assert.Equal(t, len(d.knownPathList), 2)
// say, we removed peer2's import policy and
// peer1 advertised new path with the same prefix
aspathParam = []bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{65001, 65002})}
aspath = bgp.NewPathAttributeAsPath(aspathParam)
pathAttributes = []bgp.PathAttributeInterface{origin, aspath, nexthop, med}
updateMsg = bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
path3 := ProcessMessage(updateMsg, peer1, time.Now())[0]
path3.Filter("1", POLICY_DIRECTION_IMPORT)
d.AddNewPath(path3)
d.Calculate(nil)
assert.Equal(t, len(d.GetKnownPathList("1")), 0) // peer "1" is the originator
assert.Equal(t, len(d.GetKnownPathList("2")), 1)
assert.Equal(t, d.GetKnownPathList("2")[0].GetAsString(), "65001 65002") // peer "2" has new original path {65001, 65002}
assert.Equal(t, len(d.GetKnownPathList("3")), 1)
assert.Equal(t, d.GetKnownPathList("3")[0].GetAsString(), "65001 65002") // peer "3" has new original path {65001, 65002}
assert.Equal(t, len(d.knownPathList), 1)
}
示例9: createPathFromIPRouteMessage
func createPathFromIPRouteMessage(m *zebra.Message) *table.Path {
header := m.Header
body := m.Body.(*zebra.IPRouteBody)
family := bgp.RF_IPv6_UC
if header.Command == zebra.IPV4_ROUTE_ADD || header.Command == zebra.IPV4_ROUTE_DELETE {
family = bgp.RF_IPv4_UC
}
var nlri bgp.AddrPrefixInterface
pattr := make([]bgp.PathAttributeInterface, 0)
var mpnlri *bgp.PathAttributeMpReachNLRI
var isWithdraw bool = header.Command == zebra.IPV4_ROUTE_DELETE || header.Command == zebra.IPV6_ROUTE_DELETE
origin := bgp.NewPathAttributeOrigin(bgp.BGP_ORIGIN_ATTR_TYPE_IGP)
pattr = append(pattr, origin)
log.WithFields(log.Fields{
"Topic": "Zebra",
"RouteType": body.Type.String(),
"Flag": body.Flags.String(),
"Message": body.Message,
"Prefix": body.Prefix,
"PrefixLength": body.PrefixLength,
"Nexthop": body.Nexthops,
"IfIndex": body.Ifindexs,
"Metric": body.Metric,
"Distance": body.Distance,
"api": header.Command.String(),
}).Debugf("create path from ip route message.")
switch family {
case bgp.RF_IPv4_UC:
nlri = bgp.NewIPAddrPrefix(body.PrefixLength, body.Prefix.String())
nexthop := bgp.NewPathAttributeNextHop(body.Nexthops[0].String())
pattr = append(pattr, nexthop)
case bgp.RF_IPv6_UC:
nlri = bgp.NewIPv6AddrPrefix(body.PrefixLength, body.Prefix.String())
mpnlri = bgp.NewPathAttributeMpReachNLRI(body.Nexthops[0].String(), []bgp.AddrPrefixInterface{nlri})
pattr = append(pattr, mpnlri)
default:
log.WithFields(log.Fields{
"Topic": "Zebra",
}).Errorf("unsupport address family: %s", family)
return nil
}
med := bgp.NewPathAttributeMultiExitDisc(body.Metric)
pattr = append(pattr, med)
path := table.NewPath(nil, nlri, isWithdraw, pattr, time.Now(), false)
path.SetIsFromExternal(true)
return path
}
示例10: TestCalculate2
func TestCalculate2(t *testing.T) {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{65001})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("10.0.0.1")
med := bgp.NewPathAttributeMultiExitDisc(0)
pathAttributes := []bgp.PathAttributeInterface{origin, aspath, nexthop, med}
nlri := bgp.NewIPAddrPrefix(24, "10.10.0.0")
// peer1 sends normal update message 10.10.0.0/24
update1 := bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
peer1 := &PeerInfo{AS: 1, Address: net.IP{1, 1, 1, 1}}
path1 := ProcessMessage(update1, peer1, time.Now())[0]
d := NewDestination(nlri)
d.AddNewPath(path1)
d.Calculate(nil)
// suppose peer2 sends grammaatically correct but semantically flawed update message
// which has a withdrawal nlri not advertised before
update2 := bgp.NewBGPUpdateMessage([]*bgp.IPAddrPrefix{nlri}, pathAttributes, nil)
peer2 := &PeerInfo{AS: 2, Address: net.IP{2, 2, 2, 2}}
path2 := ProcessMessage(update2, peer2, time.Now())[0]
assert.Equal(t, path2.IsWithdraw, true)
d.AddWithdraw(path2)
d.Calculate(nil)
// we have a path from peer1 here
assert.Equal(t, len(d.knownPathList), 1)
// after that, new update with the same nlri comes from peer2
update3 := bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
path3 := ProcessMessage(update3, peer2, time.Now())[0]
assert.Equal(t, path3.IsWithdraw, false)
d.AddNewPath(path3)
d.Calculate(nil)
// this time, we have paths from peer1 and peer2
assert.Equal(t, len(d.knownPathList), 2)
// now peer3 sends normal update message 10.10.0.0/24
peer3 := &PeerInfo{AS: 3, Address: net.IP{3, 3, 3, 3}}
update4 := bgp.NewBGPUpdateMessage(nil, pathAttributes, []*bgp.IPAddrPrefix{nlri})
path4 := ProcessMessage(update4, peer3, time.Now())[0]
d.AddNewPath(path4)
d.Calculate(nil)
// we must have paths from peer1, peer2 and peer3
assert.Equal(t, len(d.knownPathList), 3)
}
示例11: AddPath
func (bs *BgpService) AddPath(route string) error {
attrs := []bgp.PathAttributeInterface{
bgp.NewPathAttributeOrigin(0),
bgp.NewPathAttributeNextHop("0.0.0.0"),
}
if _, err := bs.bgp.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(32, route), false, attrs, time.Now(), false)}); err != nil {
return fmt.Errorf("[bgp] Error adding bgp path. %v", err)
}
return nil
}
示例12: createPathFromIPRouteMessage
func createPathFromIPRouteMessage(m *zebra.Message, peerInfo *table.PeerInfo) *table.Path {
header := m.Header
body := m.Body.(*zebra.IPRouteBody)
isV4 := header.Command == zebra.IPV4_ROUTE_ADD || header.Command == zebra.IPV4_ROUTE_DELETE
var nlri bgp.AddrPrefixInterface
pattr := make([]bgp.PathAttributeInterface, 0)
var mpnlri *bgp.PathAttributeMpReachNLRI
var isWithdraw bool = header.Command == zebra.IPV4_ROUTE_DELETE || header.Command == zebra.IPV6_ROUTE_DELETE
origin := bgp.NewPathAttributeOrigin(bgp.BGP_ORIGIN_ATTR_TYPE_IGP)
pattr = append(pattr, origin)
log.WithFields(log.Fields{
"Topic": "Zebra",
"RouteType": body.Type.String(),
"Flag": body.Flags.String(),
"Message": body.Message,
"Prefix": body.Prefix,
"PrefixLength": body.PrefixLength,
"Nexthop": body.Nexthops,
"IfIndex": body.Ifindexs,
"Metric": body.Metric,
"Distance": body.Distance,
"api": header.Command.String(),
}).Debugf("create path from ip route message.")
if isV4 {
nlri = bgp.NewIPAddrPrefix(body.PrefixLength, body.Prefix.String())
nexthop := bgp.NewPathAttributeNextHop(body.Nexthops[0].String())
pattr = append(pattr, nexthop)
} else {
nlri = bgp.NewIPv6AddrPrefix(body.PrefixLength, body.Prefix.String())
mpnlri = bgp.NewPathAttributeMpReachNLRI(body.Nexthops[0].String(), []bgp.AddrPrefixInterface{nlri})
pattr = append(pattr, mpnlri)
}
med := bgp.NewPathAttributeMultiExitDisc(body.Metric)
pattr = append(pattr, med)
p := table.NewPath(peerInfo, nlri, isWithdraw, pattr, time.Now(), false)
p.SetIsFromExternal(true)
return p
}
示例13: updateMsgP2
func updateMsgP2() *bgp.BGPMessage {
origin := bgp.NewPathAttributeOrigin(0)
aspathParam := []bgp.AsPathParamInterface{bgp.NewAsPathParam(2, []uint16{65100})}
aspath := bgp.NewPathAttributeAsPath(aspathParam)
nexthop := bgp.NewPathAttributeNextHop("192.168.100.1")
med := bgp.NewPathAttributeMultiExitDisc(100)
pathAttributes := []bgp.PathAttributeInterface{
origin,
aspath,
nexthop,
med,
}
nlri := []*bgp.IPAddrPrefix{bgp.NewIPAddrPrefix(24, "20.20.20.0")}
return bgp.NewBGPUpdateMessage(nil, pathAttributes, nlri)
}
示例14: extractOrigin
func extractOrigin(args []string) ([]string, bgp.PathAttributeInterface, error) {
typ := bgp.BGP_ORIGIN_ATTR_TYPE_INCOMPLETE
for idx, arg := range args {
if arg == "origin" && len(args) > (idx+1) {
switch args[idx+1] {
case "igp":
typ = bgp.BGP_ORIGIN_ATTR_TYPE_IGP
case "egp":
typ = bgp.BGP_ORIGIN_ATTR_TYPE_EGP
case "incomplete":
default:
return nil, nil, fmt.Errorf("invalid origin type. expect [igp|egp|incomplete] but %s", args[idx+1])
}
args = append(args[:idx], args[idx+2:]...)
break
}
}
return args, bgp.NewPathAttributeOrigin(uint8(typ)), nil
}
示例15: DeleteLocalProtoRoute
//DeleteLocalProtoRoute withdraws local endpoints from protocol RIB
func (self *OfnetBgp) DeleteLocalProtoRoute(pathInfo []*OfnetProtoRouteInfo) error {
log.Infof("Received DeleteLocalProtoRoute to withdraw local endpoint to protocol RIB: %v", pathInfo)
attrs := []bgp.PathAttributeInterface{
bgp.NewPathAttributeOrigin(1),
bgp.NewPathAttributeNextHop(pathInfo[0].nextHopIP),
bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(bgp.BGP_ASPATH_ATTR_TYPE_SEQ, []uint32{self.myBgpAs})}),
}
paths := []*table.Path{}
for _, path := range pathInfo {
paths = append(paths, table.NewPath(nil, bgp.NewIPAddrPrefix(32, path.localEpIP), true, attrs, time.Now(), false))
}
if err := self.bgpServer.DeletePath(nil, bgp.RF_IPv4_UC, "", paths); err != nil {
return err
}
return nil
}