forked from projectcalico/felix
-
Notifications
You must be signed in to change notification settings - Fork 0
/
dataplane_shims.go
75 lines (61 loc) · 1.95 KB
/
dataplane_shims.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
// Copyright (c) 2017 Tigera, Inc. All rights reserved.
//
// 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 routetable
import (
"net"
"os/exec"
"syscall"
"time"
"github.com/vishvananda/netlink"
"github.com/projectcalico/felix/conntrack"
"github.com/projectcalico/felix/ip"
)
type conntrackIface interface {
RemoveConntrackFlows(ipVersion uint8, ipAddr net.IP)
}
type HandleIface interface {
SetSocketTimeout(to time.Duration) error
LinkList() ([]netlink.Link, error)
LinkByName(name string) (netlink.Link, error)
RouteList(link netlink.Link, family int) ([]netlink.Route, error)
RouteAdd(route *netlink.Route) error
RouteDel(route *netlink.Route) error
Delete()
}
type realDataplane struct {
conntrack *conntrack.Conntrack
}
func newNetlinkHandle() (HandleIface, error) {
return netlink.NewHandle(syscall.NETLINK_ROUTE)
}
func addStaticARPEntry(cidr ip.CIDR, destMAC net.HardwareAddr, ifaceName string) error {
cmd := exec.Command("arp",
"-s", cidr.Addr().String(), destMAC.String(),
"-i", ifaceName)
return cmd.Run()
}
// timeIface is our shim interface to the time package.
type timeIface interface {
Now() time.Time
Since(t time.Time) time.Duration
}
// realTime is the real implementation of timeIface, which calls through to the real time package.
type realTime struct{}
func (_ realTime) Now() time.Time {
return time.Now()
}
func (_ realTime) Since(t time.Time) time.Duration {
return time.Since(t)
}
var _ timeIface = realTime{}