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
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// Copyright (c) 2019 Cisco and/or its affiliates.
//
// 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 (
"encoding/gob"
"flag"
"log"
"go.fd.io/govpp/adapter/socketclient"
"go.fd.io/govpp/adapter/statsclient"
"go.fd.io/govpp/api"
interfaces "go.fd.io/govpp/binapi/interface"
"go.fd.io/govpp/binapi/vlib"
"go.fd.io/govpp/binapi/vpe"
_ "go.fd.io/govpp/core"
"go.fd.io/govpp/proxy"
)
var (
binapiSocket = flag.String("binapi-socket", socketclient.DefaultSocketName, "Path to VPP binapi socket")
statsSocket = flag.String("stats-socket", statsclient.DefaultSocketName, "Path to VPP stats socket")
proxyAddr = flag.String("addr", ":7878", "Address on which proxy serves RPC.")
)
func init() {
for _, msgList := range api.GetRegisteredMessages() {
for _, msg := range msgList {
gob.Register(msg)
}
}
}
func main() {
flag.Parse()
switch cmd := flag.Arg(0); cmd {
case "server":
runServer()
case "client":
runClient()
default:
log.Printf("invalid command: %q, (available commands: client, server)", cmd)
}
}
func runClient() {
// connect to proxy server
client, err := proxy.Connect(*proxyAddr)
if err != nil {
log.Fatalln("connecting to proxy failed:", err)
}
// proxy stats
statsProvider, err := client.NewStatsClient()
if err != nil {
log.Fatalln(err)
}
var sysStats api.SystemStats
if err := statsProvider.GetSystemStats(&sysStats); err != nil {
log.Fatalln("getting stats failed:", err)
}
log.Printf("SystemStats: %+v", sysStats)
var ifaceStats api.InterfaceStats
if err := statsProvider.GetInterfaceStats(&ifaceStats); err != nil {
log.Fatalln("getting stats failed:", err)
}
log.Printf("InterfaceStats: %+v", ifaceStats)
// proxy binapi
binapiChannel, err := client.NewBinapiClient()
if err != nil {
log.Fatalln(err)
}
log.Println("checking compatibility")
var msgs []api.Message
msgs = append(msgs, interfaces.AllMessages()...)
msgs = append(msgs, vpe.AllMessages()...)
if err := binapiChannel.CheckCompatiblity(msgs...); err != nil {
panic(err)
}
req := &vlib.CliInband{Cmd: "show version"}
reply := new(vlib.CliInbandReply)
if err := binapiChannel.SendRequest(req).ReceiveReply(reply); err != nil {
log.Fatalln("binapi request failed:", err)
}
log.Printf("VPP version: %+v", reply.Reply)
}
func runServer() {
p, err := proxy.NewServer()
if err != nil {
log.Fatalln(err)
}
statsAdapter := statsclient.NewStatsClient(*statsSocket)
binapiAdapter := socketclient.NewVppClient(*binapiSocket)
if err := p.ConnectStats(statsAdapter); err != nil {
log.Fatalln("connecting to stats failed:", err)
}
defer p.DisconnectStats()
if err := p.ConnectBinapi(binapiAdapter); err != nil {
log.Fatalln("connecting to binapi failed:", err)
}
defer p.DisconnectBinapi()
if err := p.ListenAndServe(*proxyAddr); err != nil {
log.Fatalln(err)
}
}
|
