1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
// Copyright (C) 2015 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 main
import (
"fmt"
"net"
"os"
"time"
log "github.com/Sirupsen/logrus"
"github.com/jessevdk/go-flags"
"github.com/osrg/gobgp/config"
"github.com/osrg/gobgp/packet"
"github.com/osrg/gobgp/server"
"github.com/osrg/gobgp/table"
)
func newPeer(g config.Global, p config.Neighbor, incoming chan *server.FsmMsg) *server.Peer {
tbl := table.NewTableManager([]bgp.RouteFamily{bgp.RF_IPv4_UC, bgp.RF_IPv6_UC}, 0, 0)
peer := server.NewPeer(g, p, tbl, table.NewRoutingPolicy())
server.NewFSMHandler(peer.Fsm(), incoming, peer.Outgoing())
return peer
}
func main() {
var opts struct {
NumPeer int `short:"n" long:"num-peer" description:"num of peers"`
}
args, err := flags.Parse(&opts)
if err != nil {
os.Exit(1)
}
if len(args) != 1 || args[0] != "T1" {
log.Errorf("Usage: performance_test -n <num-peer> T1")
os.Exit(1)
}
peerMap := make(map[string]*server.Peer)
incoming := make(chan *server.FsmMsg, 1024)
num := opts.NumPeer
start := time.Now()
for i := 0; i < num; i++ {
localAddr := fmt.Sprintf("10.10.%d.%d", (i+2)/255, (i+2)%255)
g := config.Global{
GlobalConfig: config.GlobalConfig{
As: uint32(1001 + i),
RouterId: net.ParseIP(localAddr),
},
}
p := config.Neighbor{
NeighborConfig: config.NeighborConfig{
PeerAs: 1000,
NeighborAddress: net.ParseIP("10.10.0.1"),
},
Transport: config.Transport{
TransportConfig: config.TransportConfig{
LocalAddress: net.ParseIP(localAddr),
},
},
}
peer := newPeer(g, p, incoming)
peerMap[p.Transport.TransportConfig.LocalAddress.String()] = peer
}
established := 0
ticker := time.NewTicker(time.Second * 5)
for {
select {
case msg := <-incoming:
peer := peerMap[msg.MsgDst]
switch msg.MsgType {
case server.FSM_MSG_STATE_CHANGE:
nextState := msg.MsgData.(bgp.FSMState)
fsm := peer.Fsm()
fsm.StateChange(nextState)
server.NewFSMHandler(fsm, incoming, peer.Outgoing())
if nextState == bgp.BGP_FSM_ESTABLISHED {
established++
}
if num == established {
goto END
}
}
case <-ticker.C:
now := time.Now()
log.Infof("[%s] # of established: %d", now.Sub(start), established)
}
}
END:
end := time.Now()
log.Infof("all established. elapsed time: %s", end.Sub(start))
if args[0] == "T1" {
return
}
for {
select {
case msg := <-incoming:
fmt.Println(msg)
}
}
}
|
