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routes.go
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/
routes.go
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// Copyright 2015 CoreOS, Inc.
//
// 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 vxlan
import (
"net"
"github.com/coreos/flannel/pkg/ip"
)
type route struct {
network ip.IP4Net
vtepMAC net.HardwareAddr
}
type routes []route
func (rts *routes) set(nw ip.IP4Net, vtepMAC net.HardwareAddr) {
for i, rt := range *rts {
if rt.network.Equal(nw) {
(*rts)[i].vtepMAC = vtepMAC
return
}
}
*rts = append(*rts, route{nw, vtepMAC})
}
func (rts *routes) remove(nw ip.IP4Net) {
for i, rt := range *rts {
if rt.network.Equal(nw) {
(*rts)[i] = (*rts)[len(*rts)-1]
(*rts) = (*rts)[0 : len(*rts)-1]
return
}
}
}
func (rts routes) findByNetwork(ipAddr ip.IP4) *route {
for i, rt := range rts {
if rt.network.Contains(ipAddr) {
return &rts[i]
}
}
return nil
}