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dhcpproxy_vppcalls.go
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dhcpproxy_vppcalls.go
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// Copyright (c) 2019 PANTHEON.tech
//
// 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 vpp1908
import (
"net"
vpp_l3 "github.com/ligato/vpp-agent/api/models/vpp/l3"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1908/dhcp"
"github.com/pkg/errors"
)
func (h *DHCPProxyHandler) createDeleteDHCPProxy(entry *vpp_l3.DHCPProxy, delete bool) error {
config := &dhcp.DHCPProxyConfig{
RxVrfID: entry.RxVrfId,
IsAdd: boolToUint(!delete),
}
ipAddr := net.ParseIP(entry.SourceIpAddress)
if ipAddr == nil {
return errors.Errorf("Invalid source IP address: %q", entry.SourceIpAddress)
}
if ipAddr.To4() == nil {
config.IsIPv6 = 1
config.DHCPSrcAddress = []byte(ipAddr.To16())
} else {
config.IsIPv6 = 0
config.DHCPSrcAddress = []byte(ipAddr.To4())
}
for _, server := range entry.Servers {
config.ServerVrfID = server.VrfId
ipAddr := net.ParseIP(server.IpAddress)
if ipAddr == nil {
return errors.Errorf("Invalid server IP address: %q", server.IpAddress)
}
if ipAddr.To4() == nil {
config.DHCPServer = []byte(ipAddr.To16())
} else {
config.DHCPServer = []byte(ipAddr.To4())
}
reply := &dhcp.DHCPProxyConfigReply{}
if err := h.callsChannel.SendRequest(config).ReceiveReply(reply); err != nil {
return err
}
}
return nil
}
func (h *DHCPProxyHandler) CreateDHCPProxy(entry *vpp_l3.DHCPProxy) error {
return h.createDeleteDHCPProxy(entry, false)
}
func (h *DHCPProxyHandler) DeleteDHCPProxy(entry *vpp_l3.DHCPProxy) error {
return h.createDeleteDHCPProxy(entry, true)
}