diff options
Diffstat (limited to 'server/server_test.go')
-rw-r--r-- | server/server_test.go | 707 |
1 files changed, 0 insertions, 707 deletions
diff --git a/server/server_test.go b/server/server_test.go deleted file mode 100644 index 4a6495e4..00000000 --- a/server/server_test.go +++ /dev/null @@ -1,707 +0,0 @@ -// Copyright (C) 2016 Nippon Telegraph and Telephone Corporation. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or -// implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package server - -import ( - "context" - "net" - "runtime" - "testing" - "time" - - "github.com/stretchr/testify/require" - - log "github.com/sirupsen/logrus" - "github.com/stretchr/testify/assert" - - "github.com/osrg/gobgp/config" - "github.com/osrg/gobgp/packet/bgp" - "github.com/osrg/gobgp/table" -) - -func TestModPolicyAssign(t *testing.T) { - assert := assert.New(t) - s := NewBgpServer() - go s.Serve() - err := s.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: -1, - }, - }) - assert.Nil(err) - defer s.Stop() - - err = s.AddPolicy(&table.Policy{Name: "p1"}, false) - assert.Nil(err) - - err = s.AddPolicy(&table.Policy{Name: "p2"}, false) - assert.Nil(err) - - err = s.AddPolicy(&table.Policy{Name: "p3"}, false) - assert.Nil(err) - - err = s.AddPolicyAssignment("", table.POLICY_DIRECTION_IMPORT, - []*config.PolicyDefinition{&config.PolicyDefinition{Name: "p1"}, &config.PolicyDefinition{Name: "p2"}, &config.PolicyDefinition{Name: "p3"}}, table.ROUTE_TYPE_ACCEPT) - assert.Nil(err) - - err = s.DeletePolicyAssignment("", table.POLICY_DIRECTION_IMPORT, - []*config.PolicyDefinition{&config.PolicyDefinition{Name: "p1"}}, false) - assert.Nil(err) - - _, ps, _ := s.GetPolicyAssignment("", table.POLICY_DIRECTION_IMPORT) - assert.Equal(len(ps), 2) -} - -func TestMonitor(test *testing.T) { - assert := assert.New(test) - s := NewBgpServer() - go s.Serve() - err := s.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: 10179, - }, - }) - assert.Nil(err) - defer s.Stop() - - n := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 2, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - PassiveMode: true, - }, - }, - } - err = s.AddNeighbor(n) - assert.Nil(err) - - t := NewBgpServer() - go t.Serve() - err = t.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 2, - RouterId: "2.2.2.2", - Port: -1, - }, - }) - assert.Nil(err) - defer t.Stop() - - m := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 1, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - RemotePort: 10179, - }, - }, - } - err = t.AddNeighbor(m) - assert.Nil(err) - - for { - time.Sleep(time.Second) - if t.GetNeighbor("", false)[0].State.SessionState == config.SESSION_STATE_ESTABLISHED { - break - } - } - - // Test WatchBestPath. - w := s.Watch(WatchBestPath(false)) - - // Advertises a route. - attrs := []bgp.PathAttributeInterface{ - bgp.NewPathAttributeOrigin(0), - bgp.NewPathAttributeNextHop("10.0.0.1"), - } - if _, err := t.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(24, "10.0.0.0"), false, attrs, time.Now(), false)}); err != nil { - log.Fatal(err) - } - ev := <-w.Event() - b := ev.(*WatchEventBestPath) - assert.Equal(1, len(b.PathList)) - assert.Equal("10.0.0.0/24", b.PathList[0].GetNlri().String()) - assert.False(b.PathList[0].IsWithdraw) - - // Withdraws the previous route. - // NOTE: Withdow should not require any path attribute. - if _, err := t.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(24, "10.0.0.0"), true, nil, time.Now(), false)}); err != nil { - log.Fatal(err) - } - ev = <-w.Event() - b = ev.(*WatchEventBestPath) - assert.Equal(1, len(b.PathList)) - assert.Equal("10.0.0.0/24", b.PathList[0].GetNlri().String()) - assert.True(b.PathList[0].IsWithdraw) - - // Stops the watcher still having an item. - w.Stop() - - // Prepares an initial route to test WatchUpdate with "current" flag. - if _, err := t.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(24, "10.1.0.0"), false, attrs, time.Now(), false)}); err != nil { - log.Fatal(err) - } - for { - // Waits for the initial route will be advertised. - rib, _, err := s.GetRib("", bgp.RF_IPv4_UC, nil) - if err != nil { - log.Fatal(err) - } - if len(rib.GetKnownPathList("", 0)) > 0 { - break - } - time.Sleep(100 * time.Millisecond) - } - - // Test WatchUpdate with "current" flag. - w = s.Watch(WatchUpdate(true)) - - // Test the initial route. - ev = <-w.Event() - u := ev.(*WatchEventUpdate) - assert.Equal(1, len(u.PathList)) - assert.Equal("10.1.0.0/24", u.PathList[0].GetNlri().String()) - assert.False(u.PathList[0].IsWithdraw) - ev = <-w.Event() - u = ev.(*WatchEventUpdate) - assert.Equal(len(u.PathList), 0) // End of RIB - - // Advertises an additional route. - if _, err := t.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(24, "10.2.0.0"), false, attrs, time.Now(), false)}); err != nil { - log.Fatal(err) - } - ev = <-w.Event() - u = ev.(*WatchEventUpdate) - assert.Equal(1, len(u.PathList)) - assert.Equal("10.2.0.0/24", u.PathList[0].GetNlri().String()) - assert.False(u.PathList[0].IsWithdraw) - - // Withdraws the previous route. - // NOTE: Withdow should not require any path attribute. - if _, err := t.AddPath("", []*table.Path{table.NewPath(nil, bgp.NewIPAddrPrefix(24, "10.2.0.0"), true, nil, time.Now(), false)}); err != nil { - log.Fatal(err) - } - ev = <-w.Event() - u = ev.(*WatchEventUpdate) - assert.Equal(1, len(u.PathList)) - assert.Equal("10.2.0.0/24", u.PathList[0].GetNlri().String()) - assert.True(u.PathList[0].IsWithdraw) - - // Stops the watcher still having an item. - w.Stop() -} - -func TestNumGoroutineWithAddDeleteNeighbor(t *testing.T) { - assert := assert.New(t) - s := NewBgpServer() - go s.Serve() - err := s.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: -1, - }, - }) - assert.Nil(err) - defer s.Stop() - - // wait a few seconds to avoid taking effect from other test cases. - time.Sleep(time.Second * 5) - - num := runtime.NumGoroutine() - - n := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 2, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - PassiveMode: true, - }, - }, - } - err = s.AddNeighbor(n) - assert.Nil(err) - - err = s.DeleteNeighbor(n) - assert.Nil(err) - // wait goroutines to finish (e.g. internal goroutine for - // InfiniteChannel) - time.Sleep(time.Second * 5) - assert.Equal(num, runtime.NumGoroutine()) -} - -func newPeerandInfo(myAs, as uint32, address string, rib *table.TableManager) (*Peer, *table.PeerInfo) { - nConf := &config.Neighbor{Config: config.NeighborConfig{PeerAs: as, NeighborAddress: address}} - gConf := &config.Global{Config: config.GlobalConfig{As: myAs}} - config.SetDefaultNeighborConfigValues(nConf, nil, gConf) - policy := table.NewRoutingPolicy() - policy.Reset(&config.RoutingPolicy{}, nil) - p := NewPeer( - &config.Global{Config: config.GlobalConfig{As: myAs}}, - nConf, - rib, - policy) - for _, f := range rib.GetRFlist() { - p.fsm.rfMap[f] = bgp.BGP_ADD_PATH_NONE - } - return p, &table.PeerInfo{AS: as, Address: net.ParseIP(address)} -} - -func process(rib *table.TableManager, l []*table.Path) (*table.Path, *table.Path) { - dsts := make([]*table.Update, 0) - for _, path := range l { - dsts = append(dsts, rib.Update(path)...) - } - news, olds, _ := dstsToPaths(table.GLOBAL_RIB_NAME, 0, dsts) - if len(news) != 1 { - panic("can't handle multiple paths") - } - - return news[0], olds[0] -} - -func TestFilterpathWitheBGP(t *testing.T) { - as := uint32(65000) - p1As := uint32(65001) - p2As := uint32(65002) - rib := table.NewTableManager([]bgp.RouteFamily{bgp.RF_IPv4_UC}) - p1, pi1 := newPeerandInfo(as, p1As, "192.168.0.1", rib) - p2, pi2 := newPeerandInfo(as, p2As, "192.168.0.2", rib) - - nlri := bgp.NewIPAddrPrefix(24, "10.10.10.0") - pa1 := []bgp.PathAttributeInterface{bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{p1As})}), bgp.NewPathAttributeLocalPref(200)} - pa2 := []bgp.PathAttributeInterface{bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{p2As})})} - - path1 := table.NewPath(pi1, nlri, false, pa1, time.Now(), false) - path2 := table.NewPath(pi2, nlri, false, pa2, time.Now(), false) - rib.Update(path2) - d := rib.Update(path1) - new, old, _ := d[0].GetChanges(table.GLOBAL_RIB_NAME, 0, false) - assert.Equal(t, new, path1) - filterpath(p1, new, old) - filterpath(p2, new, old) - - new, old = process(rib, []*table.Path{path1.Clone(true)}) - assert.Equal(t, new, path2) - // p1 and p2 advertized the same prefix and p1's was best. Then p1 withdraw it, so p2 must get withdawal. - path := filterpath(p2, new, old) - assert.NotNil(t, path) - assert.True(t, path.IsWithdraw) - - // p1 should get the new best (from p2) - assert.Equal(t, filterpath(p1, new, old), path2) - - new, old = process(rib, []*table.Path{path2.Clone(true)}) - assert.True(t, new.IsWithdraw) - // p2 withdraw so p1 should get withdrawal. - path = filterpath(p1, new, old) - assert.True(t, path.IsWithdraw) - - // p2 withdraw so p2 should get nothing. - path = filterpath(p2, new, old) - assert.Nil(t, path) -} - -func TestFilterpathWithiBGP(t *testing.T) { - as := uint32(65000) - - rib := table.NewTableManager([]bgp.RouteFamily{bgp.RF_IPv4_UC}) - p1, pi1 := newPeerandInfo(as, as, "192.168.0.1", rib) - //p2, pi2 := newPeerandInfo(as, as, "192.168.0.2", rib) - p2, _ := newPeerandInfo(as, as, "192.168.0.2", rib) - - nlri := bgp.NewIPAddrPrefix(24, "10.10.10.0") - pa1 := []bgp.PathAttributeInterface{bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{as})}), bgp.NewPathAttributeLocalPref(200)} - //pa2 := []bgp.PathAttributeInterface{bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{as})})} - - path1 := table.NewPath(pi1, nlri, false, pa1, time.Now(), false) - //path2 := table.NewPath(pi2, nlri, false, pa2, time.Now(), false) - - new, old := process(rib, []*table.Path{path1}) - assert.Equal(t, new, path1) - path := filterpath(p1, new, old) - assert.Nil(t, path) - path = filterpath(p2, new, old) - assert.Nil(t, path) - - new, old = process(rib, []*table.Path{path1.Clone(true)}) - path = filterpath(p1, new, old) - assert.Nil(t, path) - path = filterpath(p2, new, old) - assert.Nil(t, path) - -} - -func TestFilterpathWithRejectPolicy(t *testing.T) { - rib1 := table.NewTableManager([]bgp.RouteFamily{bgp.RF_IPv4_UC}) - _, pi1 := newPeerandInfo(1, 2, "192.168.0.1", rib1) - rib2 := table.NewTableManager([]bgp.RouteFamily{bgp.RF_IPv4_UC}) - p2, _ := newPeerandInfo(1, 3, "192.168.0.2", rib2) - - comSet1 := config.CommunitySet{ - CommunitySetName: "comset1", - CommunityList: []string{"100:100"}, - } - s, _ := table.NewCommunitySet(comSet1) - p2.policy.AddDefinedSet(s) - - statement := config.Statement{ - Name: "stmt1", - Conditions: config.Conditions{ - BgpConditions: config.BgpConditions{ - MatchCommunitySet: config.MatchCommunitySet{ - CommunitySet: "comset1", - }, - }, - }, - Actions: config.Actions{ - RouteDisposition: config.ROUTE_DISPOSITION_REJECT_ROUTE, - }, - } - policy := config.PolicyDefinition{ - Name: "policy1", - Statements: []config.Statement{statement}, - } - p, _ := table.NewPolicy(policy) - p2.policy.AddPolicy(p, false) - policies := []*config.PolicyDefinition{ - &config.PolicyDefinition{ - Name: "policy1", - }, - } - p2.policy.AddPolicyAssignment(p2.TableID(), table.POLICY_DIRECTION_EXPORT, policies, table.ROUTE_TYPE_ACCEPT) - - for _, addCommunity := range []bool{false, true, false, true} { - nlri := bgp.NewIPAddrPrefix(24, "10.10.10.0") - pa1 := []bgp.PathAttributeInterface{bgp.NewPathAttributeAsPath([]bgp.AsPathParamInterface{bgp.NewAs4PathParam(2, []uint32{1})}), bgp.NewPathAttributeLocalPref(200)} - if addCommunity { - pa1 = append(pa1, bgp.NewPathAttributeCommunities([]uint32{100<<16 | 100})) - } - path1 := table.NewPath(pi1, nlri, false, pa1, time.Now(), false) - new, old := process(rib2, []*table.Path{path1}) - assert.Equal(t, new, path1) - s := NewBgpServer() - path2 := s.filterpath(p2, new, old) - if addCommunity { - assert.True(t, path2.IsWithdraw) - } else { - assert.False(t, path2.IsWithdraw) - } - } - -} - -func TestPeerGroup(test *testing.T) { - assert := assert.New(test) - log.SetLevel(log.DebugLevel) - s := NewBgpServer() - go s.Serve() - err := s.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: 10179, - }, - }) - assert.Nil(err) - defer s.Stop() - - g := &config.PeerGroup{ - Config: config.PeerGroupConfig{ - PeerAs: 2, - PeerGroupName: "g", - }, - } - err = s.AddPeerGroup(g) - assert.Nil(err) - - n := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerGroup: "g", - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - PassiveMode: true, - }, - }, - } - configured := map[string]interface{}{ - "config": map[string]interface{}{ - "neigbor-address": "127.0.0.1", - "peer-group": "g", - }, - "transport": map[string]interface{}{ - "config": map[string]interface{}{ - "passive-mode": true, - }, - }, - } - config.RegisterConfiguredFields("127.0.0.1", configured) - err = s.AddNeighbor(n) - assert.Nil(err) - - t := NewBgpServer() - go t.Serve() - err = t.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 2, - RouterId: "2.2.2.2", - Port: -1, - }, - }) - assert.Nil(err) - defer t.Stop() - - m := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 1, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - RemotePort: 10179, - }, - }, - } - err = t.AddNeighbor(m) - assert.Nil(err) - - for { - time.Sleep(time.Second) - if t.GetNeighbor("", false)[0].State.SessionState == config.SESSION_STATE_ESTABLISHED { - break - } - } -} - -func TestDynamicNeighbor(t *testing.T) { - assert := assert.New(t) - log.SetLevel(log.DebugLevel) - s1 := NewBgpServer() - go s1.Serve() - err := s1.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: 10179, - }, - }) - assert.Nil(err) - defer s1.Stop() - - g := &config.PeerGroup{ - Config: config.PeerGroupConfig{ - PeerAs: 2, - PeerGroupName: "g", - }, - } - err = s1.AddPeerGroup(g) - assert.Nil(err) - - d := &config.DynamicNeighbor{ - Config: config.DynamicNeighborConfig{ - Prefix: "127.0.0.0/24", - PeerGroup: "g", - }, - } - err = s1.AddDynamicNeighbor(d) - assert.Nil(err) - - s2 := NewBgpServer() - go s2.Serve() - err = s2.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 2, - RouterId: "2.2.2.2", - Port: -1, - }, - }) - assert.Nil(err) - defer s2.Stop() - - m := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 1, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - RemotePort: 10179, - }, - }, - } - err = s2.AddNeighbor(m) - - assert.Nil(err) - - for { - time.Sleep(time.Second) - if s2.GetNeighbor("", false)[0].State.SessionState == config.SESSION_STATE_ESTABLISHED { - break - } - } -} - -func TestGracefulRestartTimerExpired(t *testing.T) { - assert := assert.New(t) - s1 := NewBgpServer() - go s1.Serve() - err := s1.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 1, - RouterId: "1.1.1.1", - Port: 10179, - }, - }) - assert.Nil(err) - defer s1.Stop() - - n := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 2, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - PassiveMode: true, - }, - }, - GracefulRestart: config.GracefulRestart{ - Config: config.GracefulRestartConfig{ - Enabled: true, - RestartTime: 1, - }, - }, - } - err = s1.AddNeighbor(n) - assert.Nil(err) - - s2 := NewBgpServer() - go s2.Serve() - err = s2.Start(&config.Global{ - Config: config.GlobalConfig{ - As: 2, - RouterId: "2.2.2.2", - Port: -1, - }, - }) - require.NoError(t, err) - defer s2.Stop() - - m := &config.Neighbor{ - Config: config.NeighborConfig{ - NeighborAddress: "127.0.0.1", - PeerAs: 1, - }, - Transport: config.Transport{ - Config: config.TransportConfig{ - RemotePort: 10179, - }, - }, - GracefulRestart: config.GracefulRestart{ - Config: config.GracefulRestartConfig{ - Enabled: true, - RestartTime: 1, - }, - }, - } - err = s2.AddNeighbor(m) - assert.Nil(err) - - // Waiting for BGP session established. - for { - time.Sleep(time.Second) - if s2.GetNeighbor("", false)[0].State.SessionState == config.SESSION_STATE_ESTABLISHED { - break - } - } - - // Force TCP session disconnected in order to cause Graceful Restart at s1 - // side. - for _, n := range s2.neighborMap { - n.fsm.conn.Close() - } - s2.Stop() - - time.Sleep(5 * time.Second) - - // Create dummy session which does NOT send BGP OPEN message in order to - // cause Graceful Restart timer expired. - var conn net.Conn - - conn, err = net.Dial("tcp", "127.0.0.1:10179") - require.NoError(t, err) - defer conn.Close() - - // this seems to take around 22 seconds... need to address this whole thing - ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) - defer cancel() - - // Waiting for Graceful Restart timer expired and moving on to IDLE state. - for { - if s1.GetNeighbor("", false)[0].State.SessionState == config.SESSION_STATE_IDLE { - break - } - - select { - case <-time.After(time.Second): - case <-ctx.Done(): - t.Fatalf("failed to enter IDLE state in the deadline") - return - } - } -} - -func TestFamiliesForSoftreset(t *testing.T) { - f := func(f bgp.RouteFamily) config.AfiSafi { - return config.AfiSafi{ - State: config.AfiSafiState{ - Family: f, - }, - } - } - peer := &Peer{ - fsm: &FSM{ - pConf: &config.Neighbor{ - AfiSafis: []config.AfiSafi{f(bgp.RF_RTC_UC), f(bgp.RF_IPv4_UC), f(bgp.RF_IPv6_UC)}, - }, - }, - } - - families := familiesForSoftreset(peer, bgp.RF_IPv4_UC) - assert.Equal(t, len(families), 1) - assert.Equal(t, families[0], bgp.RF_IPv4_UC) - - families = familiesForSoftreset(peer, bgp.RF_RTC_UC) - assert.Equal(t, len(families), 1) - assert.Equal(t, families[0], bgp.RF_RTC_UC) - - families = familiesForSoftreset(peer, bgp.RouteFamily(0)) - assert.Equal(t, len(families), 2) - assert.NotContains(t, families, bgp.RF_RTC_UC) -} |