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https://github.com/minio/minio.git
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f14bf25cb9
this commit avoids lots of tiny allocations, repeated channel creates which are performed when filtering the incoming events, unescaping a key just for matching. also remove deprecated code which is not needed anymore, avoids unexpected data structure transformations from the map to slice.
84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 event
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// RulesMap - map of rules for every event name.
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type RulesMap map[Name]Rules
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// add - adds event names, prefixes, suffixes and target ID to rules map.
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func (rulesMap RulesMap) add(eventNames []Name, pattern string, targetID TargetID) {
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rules := make(Rules)
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rules.Add(pattern, targetID)
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for _, eventName := range eventNames {
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for _, name := range eventName.Expand() {
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rulesMap[name] = rulesMap[name].Union(rules)
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}
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}
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}
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// Clone - returns copy of this rules map.
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func (rulesMap RulesMap) Clone() RulesMap {
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rulesMapCopy := make(RulesMap)
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for eventName, rules := range rulesMap {
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rulesMapCopy[eventName] = rules.Clone()
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}
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return rulesMapCopy
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}
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// Add - adds given rules map.
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func (rulesMap RulesMap) Add(rulesMap2 RulesMap) {
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for eventName, rules := range rulesMap2 {
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rulesMap[eventName] = rules.Union(rulesMap[eventName])
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}
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}
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// Remove - removes given rules map.
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func (rulesMap RulesMap) Remove(rulesMap2 RulesMap) {
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for eventName, rules := range rulesMap {
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if nr := rules.Difference(rulesMap2[eventName]); len(nr) != 0 {
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rulesMap[eventName] = nr
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} else {
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delete(rulesMap, eventName)
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}
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}
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}
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// MatchSimple - returns true if matching object name and event name in rules map.
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func (rulesMap RulesMap) MatchSimple(eventName Name, objectName string) bool {
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return rulesMap[eventName].MatchSimple(objectName)
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}
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// Match - returns TargetIDSet matching object name and event name in rules map.
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func (rulesMap RulesMap) Match(eventName Name, objectName string) TargetIDSet {
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return rulesMap[eventName].Match(objectName)
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}
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// NewRulesMap - creates new rules map with given values.
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func NewRulesMap(eventNames []Name, pattern string, targetID TargetID) RulesMap {
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// If pattern is empty, add '*' wildcard to match all.
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if pattern == "" {
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pattern = "*"
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}
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rulesMap := make(RulesMap)
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rulesMap.add(eventNames, pattern, targetID)
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return rulesMap
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}
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