-
Notifications
You must be signed in to change notification settings - Fork 128
/
vpe_vppcalls.go
130 lines (105 loc) · 3.16 KB
/
vpe_vppcalls.go
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
128
129
130
// 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 vpp1904
import (
"bytes"
"strings"
govppapi "git.fd.io/govpp.git/api"
"github.com/pkg/errors"
"github.com/ligato/vpp-agent/plugins/govppmux/vppcalls"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1904/memclnt"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1904/vpe"
)
func init() {
var msgs []govppapi.Message
msgs = append(msgs, vpe.AllMessages()...)
msgs = append(msgs, memclnt.AllMessages()...)
vppcalls.Versions["19.04"] = vppcalls.HandlerVersion{
Msgs: msgs,
New: func(ch govppapi.Channel) vppcalls.VpeVppAPI {
return NewVpeHandler(ch)
},
}
}
type VpeHandler struct {
ch govppapi.Channel
}
func NewVpeHandler(ch govppapi.Channel) *VpeHandler {
return &VpeHandler{ch}
}
// Ping pings the VPP.
func (h *VpeHandler) Ping() error {
req := &vpe.ControlPing{}
reply := &vpe.ControlPingReply{}
return h.ch.SendRequest(req).ReceiveReply(reply)
}
// GetVersionInfo retrieves version info
func (h *VpeHandler) GetVersionInfo() (*vppcalls.VersionInfo, error) {
req := &vpe.ShowVersion{}
reply := &vpe.ShowVersionReply{}
if err := h.ch.SendRequest(req).ReceiveReply(reply); err != nil {
return nil, err
}
info := &vppcalls.VersionInfo{
Program: reply.Program,
Version: reply.Version,
BuildDate: reply.BuildDate,
BuildDirectory: reply.BuildDirectory,
}
return info, nil
}
// GetVpeInfo retrieves vpe information.
func (h *VpeHandler) GetVpeInfo() (*vppcalls.VpeInfo, error) {
req := &vpe.ControlPing{}
reply := &vpe.ControlPingReply{}
if err := h.ch.SendRequest(req).ReceiveReply(reply); err != nil {
return nil, err
}
info := &vppcalls.VpeInfo{
PID: reply.VpePID,
ClientIdx: reply.ClientIndex,
}
{
req := &memclnt.APIVersions{}
reply := &memclnt.APIVersionsReply{}
if err := h.ch.SendRequest(req).ReceiveReply(reply); err != nil {
return nil, err
}
for _, v := range reply.APIVersions {
name := string(cleanBytes(v.Name))
name = strings.TrimSuffix(name, ".api")
info.ModuleVersions = append(info.ModuleVersions, vppcalls.ModuleVersion{
Name: name,
Major: v.Major,
Minor: v.Minor,
Patch: v.Patch,
})
}
}
return info, nil
}
// RunCli executes CLI command and returns output
func (h *VpeHandler) RunCli(cmd string) (string, error) {
req := &vpe.CliInband{
Cmd: cmd,
}
reply := &vpe.CliInbandReply{}
if err := h.ch.SendRequest(req).ReceiveReply(reply); err != nil {
return "", errors.Wrapf(err, "running VPP CLI command '%s' failed", cmd)
}
return reply.Reply, nil
}
func cleanBytes(b []byte) []byte {
return bytes.SplitN(b, []byte{0x00}, 2)[0]
}