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https://github.com/cgrates/cgrates.git
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73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
/*
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Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package stats
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import (
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"sync"
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"github.com/cgrates/cgrates/engine"
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"github.com/cgrates/cgrates/utils"
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)
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// NewStatsEventCache instantiates a StatsEventCache
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func NewStatsEventCache() *StatsEventCache {
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return &StatsEventCache{
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evCacheIdx: make(map[string]utils.StringMap),
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evCache: make(map[string]engine.StatsEvent)}
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}
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// StatsEventCache keeps a cache of StatsEvents which are referenced by StatsQueues
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type StatsEventCache struct {
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sync.RWMutex
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evCacheIdx map[string]utils.StringMap // index events used in queues, map[eventID]map[queueID]bool
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evCache map[string]engine.StatsEvent // cache for the processed events
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}
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// Cache will cache an event and reference it in the index
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func (sec *StatsEventCache) Cache(evID string, ev engine.StatsEvent, queueID string) {
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if utils.IsSliceMember([]string{evID, queueID}, "") {
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return
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}
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sec.Lock()
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if _, hasIt := sec.evCache[evID]; !hasIt {
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sec.evCache[evID] = ev
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}
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sec.evCacheIdx[evID][queueID] = true
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sec.Unlock()
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}
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func (sec *StatsEventCache) UnCache(evID string, ev engine.StatsEvent, queueID string) {
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sec.Lock()
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if _, hasIt := sec.evCache[evID]; !hasIt {
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return
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}
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delete(sec.evCacheIdx[evID], queueID)
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if len(sec.evCacheIdx[evID]) == 0 {
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delete(sec.evCacheIdx, evID)
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delete(sec.evCache, evID)
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}
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sec.Unlock()
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}
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// GetEvent returns the event based on ID
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func (sec *StatsEventCache) GetEvent(evID string) engine.StatsEvent {
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sec.RLock()
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defer sec.RUnlock()
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return sec.evCache[evID]
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}
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