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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // Copyright Envoy Gateway Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // The full text of the Apache license is available in the LICENSE file at | ||
| // the root of the repo. | ||
|
|
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| package resource | ||
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| var cacheKinds = []string{ | ||
| "Gateway", "ReferenceGrant", "Namespace", | ||
| "ServiceImport", "EndpointSlice", | ||
| "Secret", "ConfigMap", "EnvoyPatchPolicy", | ||
| "ClientTrafficPolicy", "BackendTrafficPolicy", "SecurityPolicy", | ||
| "BackendTLSPolicy", "EnvoyExtensionPolicy", "HTTPRouteFilter", | ||
| } | ||
|
|
||
| // Set holds the resources with the kind. | ||
| // +k8s:deepcopy-gen=true | ||
| type Set struct { | ||
| Values map[string]string `json:"-" yaml:"-"` | ||
| } | ||
|
|
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| func newSet() *Set { | ||
| return &Set{ | ||
| Values: map[string]string{}, | ||
| } | ||
| } | ||
|
|
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| func (s *Set) Has(item string) bool { | ||
| _, contained := s.Values[item] | ||
| return contained | ||
| } | ||
|
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| func (s *Set) Insert(items ...string) { | ||
| for _, item := range items { | ||
| s.Values[item] = "" | ||
| } | ||
| } | ||
|
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| // Cache holds some duplicate resources in memory. | ||
| // +k8s:deepcopy-gen=true | ||
| type Cache struct { | ||
| ResourceSet map[string]*Set `json:"-" yaml:"-"` | ||
| } | ||
|
|
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| func (r *Resources) InitCache() { | ||
| r.Cache = newCache() | ||
| } | ||
|
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| func newCache() *Cache { | ||
| resourceSets := make(map[string]*Set, len(cacheKinds)) | ||
| for _, kind := range cacheKinds { | ||
| resourceSets[kind] = newSet() | ||
| } | ||
|
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| return &Cache{ | ||
| ResourceSet: resourceSets, | ||
| } | ||
| } | ||
|
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| func (r *Resources) resourceCache(kind string) *Set { | ||
| if rs, ok := r.Cache.ResourceSet[kind]; ok { | ||
| return rs | ||
| } | ||
|
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| return newSet() | ||
| } | ||
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