go.ligato.io/vpp-agent/v3@v3.5.0/examples/kvscheduler/mock_plugins/l2plugin/mockcalls/bd_mockcalls.go (about)

     1  // Copyright (c) 2017 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 mockcalls
    16  
    17  import (
    18  	"fmt"
    19  
    20  	l2 "go.ligato.io/vpp-agent/v3/examples/kvscheduler/mock_plugins/l2plugin/model"
    21  )
    22  
    23  // CreateBridgeDomain creates new bridge domain in the mock SB.
    24  func (h *MockBDHandler) CreateBridgeDomain(bdName string) (sbBDHandle uint32, err error) {
    25  	sbBDHandle = h.nextBDHandle
    26  	h.nextBDHandle++
    27  	h.mockBDs[sbBDHandle] = &l2.BridgeDomain{
    28  		Name: bdName,
    29  	}
    30  	h.log.Debugf("Created bridge domain: %s", bdName)
    31  	return sbBDHandle, nil
    32  }
    33  
    34  // DeleteBridgeDomain removes existing bridge domain from the mock SB.
    35  func (h *MockBDHandler) DeleteBridgeDomain(sbBDHandle uint32) error {
    36  	bd, err := h.getBridgeDomain(sbBDHandle)
    37  	if err != nil {
    38  		return err
    39  	}
    40  	delete(h.mockBDs, sbBDHandle)
    41  	h.log.Debugf("Deleted bridge domain: %s", bd.Name)
    42  	return nil
    43  }
    44  
    45  // AddInterfaceToBridgeDomain puts interface into bridge domain.
    46  func (h *MockBDHandler) AddInterfaceToBridgeDomain(sbBDHandle uint32, ifaceName string, isBVI bool) error {
    47  	bd, err := h.getBridgeDomain(sbBDHandle)
    48  	if err != nil {
    49  		return err
    50  	}
    51  	for _, iface := range bd.Interfaces {
    52  		if iface.Name == ifaceName {
    53  			return fmt.Errorf("interface '%s' is already in the bridge domain '%s'",
    54  				ifaceName, bd.Name)
    55  		}
    56  	}
    57  	bd.Interfaces = append(bd.Interfaces, &l2.BridgeDomain_Interface{
    58  		Name:                    ifaceName,
    59  		BridgedVirtualInterface: isBVI,
    60  	})
    61  	h.log.Debugf("Added interface '%s' into the bridge domain '%s'",
    62  		ifaceName, bd.Name)
    63  	return nil
    64  }
    65  
    66  // DeleteInterfaceFromBridgeDomain removes interface from bridge domain.
    67  func (h *MockBDHandler) DeleteInterfaceFromBridgeDomain(sbBDHandle uint32, ifaceName string) error {
    68  	bd, err := h.getBridgeDomain(sbBDHandle)
    69  	if err != nil {
    70  		return err
    71  	}
    72  	var idx int
    73  	for ; idx < len(bd.Interfaces); idx++ {
    74  		if bd.Interfaces[idx].Name == ifaceName {
    75  			break
    76  		}
    77  	}
    78  	if idx == len(bd.Interfaces) {
    79  		return fmt.Errorf("interface '%s' is not in the bridge domain '%s'",
    80  			ifaceName, bd.Name)
    81  	}
    82  	bd.Interfaces = append(bd.Interfaces[:idx], bd.Interfaces[idx+1:]...)
    83  	h.log.Debugf("Removed interface '%s' from the bridge domain '%s'",
    84  		ifaceName, bd.Name)
    85  	return nil
    86  }
    87  
    88  // DumpBridgeDomains dumps bridge domains "configured" in the mock SB.
    89  func (h *MockBDHandler) DumpBridgeDomains() (mockBDs, error) {
    90  	h.log.Debugf("Dumped mock bridge domains: %+v", h.mockBDs)
    91  	return h.mockBDs, nil
    92  }
    93  
    94  // getInterface returns configuration of bridge domain represented in the mock SB
    95  // with the given integer handle.
    96  func (h *MockBDHandler) getBridgeDomain(sbBDHandle uint32) (*l2.BridgeDomain, error) {
    97  	bd, exists := h.mockBDs[sbBDHandle]
    98  	if !exists {
    99  		return nil, fmt.Errorf("cannot find bridge domain with index: %d", sbBDHandle)
   100  	}
   101  	return bd, nil
   102  }