github.com/zhyoulun/cilium@v1.6.12/pkg/testutils/identitynotifier.go (about)

     1  // Copyright 2020 Authors of Cilium
     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 testutils
    16  
    17  import (
    18  	"github.com/cilium/cilium/pkg/identity"
    19  	"github.com/cilium/cilium/pkg/lock"
    20  	"github.com/cilium/cilium/pkg/policy/api"
    21  )
    22  
    23  type DummyIdentityNotifier struct {
    24  	mutex     lock.Mutex
    25  	selectors map[api.FQDNSelector][]identity.NumericIdentity
    26  }
    27  
    28  func NewDummyIdentityNotifier() *DummyIdentityNotifier {
    29  	return &DummyIdentityNotifier{
    30  		selectors: make(map[api.FQDNSelector][]identity.NumericIdentity),
    31  	}
    32  }
    33  
    34  // Lock must be held during any calls to RegisterForIdentityUpdatesLocked or
    35  // UnregisterForIdentityUpdatesLocked.
    36  func (d *DummyIdentityNotifier) Lock() {
    37  	d.mutex.Lock()
    38  }
    39  
    40  // Unlock must be called after calls to RegisterForIdentityUpdatesLocked or
    41  // UnregisterForIdentityUpdatesLocked are done.
    42  func (d *DummyIdentityNotifier) Unlock() {
    43  	d.mutex.Unlock()
    44  }
    45  
    46  // RegisterForIdentityUpdatesLocked starts managing this selector.
    47  func (d *DummyIdentityNotifier) RegisterForIdentityUpdatesLocked(selector api.FQDNSelector) (identities []identity.NumericIdentity) {
    48  	ids, ok := d.selectors[selector]
    49  	if !ok {
    50  		d.selectors[selector] = []identity.NumericIdentity{}
    51  	}
    52  	return ids
    53  }
    54  
    55  // UnregisterForIdentityUpdatesLocked stops managing this selector.
    56  func (d *DummyIdentityNotifier) UnregisterForIdentityUpdatesLocked(selector api.FQDNSelector) {
    57  	delete(d.selectors, selector)
    58  }
    59  
    60  func (d *DummyIdentityNotifier) InjectIdentitiesForSelector(fqdnSel api.FQDNSelector, ids []identity.NumericIdentity) {
    61  	d.selectors[fqdnSel] = ids
    62  }
    63  
    64  // IsRegistered returns whether this selector is being managed.
    65  func (d *DummyIdentityNotifier) IsRegistered(selector api.FQDNSelector) bool {
    66  	_, ok := d.selectors[selector]
    67  	return ok
    68  }