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105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package ipvs
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import (
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"sync"
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"k8s.io/kubernetes/pkg/util/ipset"
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)
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type safeIpset struct {
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ipset ipset.Interface
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mu sync.Mutex
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}
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func newSafeIpset(ipset ipset.Interface) ipset.Interface {
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return &safeIpset{
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ipset: ipset,
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}
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}
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// FlushSet deletes all entries from a named set.
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func (s *safeIpset) FlushSet(set string) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.FlushSet(set)
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}
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// DestroySet deletes a named set.
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func (s *safeIpset) DestroySet(set string) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.DestroySet(set)
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}
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// DestroyAllSets deletes all sets.
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func (s *safeIpset) DestroyAllSets() error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.DestroyAllSets()
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}
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// CreateSet creates a new set. It will ignore error when the set already exists if ignoreExistErr=true.
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func (s *safeIpset) CreateSet(set *ipset.IPSet, ignoreExistErr bool) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.CreateSet(set, ignoreExistErr)
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}
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// AddEntry adds a new entry to the named set. It will ignore error when the entry already exists if ignoreExistErr=true.
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func (s *safeIpset) AddEntry(entry string, set *ipset.IPSet, ignoreExistErr bool) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.AddEntry(entry, set, ignoreExistErr)
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}
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// DelEntry deletes one entry from the named set
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func (s *safeIpset) DelEntry(entry string, set string) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.DelEntry(entry, set)
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}
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// Test test if an entry exists in the named set
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func (s *safeIpset) TestEntry(entry string, set string) (bool, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.TestEntry(entry, set)
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}
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// ListEntries lists all the entries from a named set
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func (s *safeIpset) ListEntries(set string) ([]string, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.ListEntries(set)
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}
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// ListSets list all set names from kernel
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func (s *safeIpset) ListSets() ([]string, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.ListSets()
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}
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// GetVersion returns the "X.Y" version string for ipset.
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func (s *safeIpset) GetVersion() (string, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.ipset.GetVersion()
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}
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