go.ligato.io/vpp-agent/v3@v3.5.0/plugins/vpp/l3plugin/vppcalls/vpp2202/vrrp_dump.go (about)

     1  //  Copyright (c) 2022 Cisco and/or its affiliates.
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at:
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package vpp2202
    16  
    17  import (
    18  	"go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2202/vrrp"
    19  	"go.ligato.io/vpp-agent/v3/plugins/vpp/l3plugin/vppcalls"
    20  	l3 "go.ligato.io/vpp-agent/v3/proto/ligato/vpp/l3"
    21  )
    22  
    23  // DumpVrrpEntries dumps all configured VRRP entries.
    24  func (h *VrrpVppHandler) DumpVrrpEntries() (entries []*vppcalls.VrrpDetails, err error) {
    25  	req := &vrrp.VrrpVrDump{
    26  		SwIfIndex: 0xffffffff, // Send multirequest to get all VRRP entries
    27  	}
    28  	reqCtx := h.callsChannel.SendMultiRequest(req)
    29  	for {
    30  		vrrpDetails := &vrrp.VrrpVrDetails{}
    31  		stop, err := reqCtx.ReceiveReply(vrrpDetails)
    32  		if stop {
    33  			break
    34  		}
    35  		if err != nil {
    36  			return nil, err
    37  		}
    38  
    39  		// VRRP interface
    40  		ifName, _, exists := h.ifIndexes.LookupBySwIfIndex(uint32(vrrpDetails.Config.SwIfIndex))
    41  		if !exists {
    42  			h.log.Warnf("VRRP dump: interface name not found for index %d", vrrpDetails.Config.SwIfIndex)
    43  		}
    44  
    45  		var isEnabled bool
    46  		if vrrpDetails.Runtime.State != vrrp.VRRP_API_VR_STATE_INIT {
    47  			isEnabled = true
    48  		}
    49  
    50  		isPreempt := (vrrpDetails.Config.Flags & vrrp.VRRP_API_VR_PREEMPT) == vrrp.VRRP_API_VR_PREEMPT
    51  		isAccept := (vrrpDetails.Config.Flags & vrrp.VRRP_API_VR_ACCEPT) == vrrp.VRRP_API_VR_ACCEPT
    52  		isUnicast := (vrrpDetails.Config.Flags & vrrp.VRRP_API_VR_UNICAST) == vrrp.VRRP_API_VR_UNICAST
    53  
    54  		ipStrs := make([]string, 0, len(vrrpDetails.Addrs))
    55  		for _, v := range vrrpDetails.Addrs {
    56  			ipStrs = append(ipStrs, v.String())
    57  		}
    58  
    59  		// VRRP entry
    60  		vrrp := &vppcalls.VrrpDetails{
    61  			Vrrp: &l3.VRRPEntry{
    62  				Interface:   ifName,
    63  				VrId:        uint32(vrrpDetails.Config.VrID),
    64  				Priority:    uint32(vrrpDetails.Config.Priority),
    65  				Interval:    uint32(vrrpDetails.Config.Interval) * centiMilliRatio,
    66  				Preempt:     isPreempt,
    67  				Accept:      isAccept,
    68  				Unicast:     isUnicast,
    69  				IpAddresses: ipStrs,
    70  				Enabled:     isEnabled,
    71  			},
    72  			Meta: &vppcalls.VrrpMeta{},
    73  		}
    74  
    75  		entries = append(entries, vrrp)
    76  	}
    77  
    78  	return entries, nil
    79  }