mirror of
https://github.com/cgrates/cgrates.git
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106 lines
3.2 KiB
Go
106 lines
3.2 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 engine
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import (
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"github.com/cgrates/cgrates/cache"
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"github.com/cgrates/cgrates/utils"
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)
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func NewDataManager(dataDB DataDB) *DataManager {
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return &DataManager{dataDB: dataDB}
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}
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// DataManager is the data storage manager for CGRateS
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// transparently manages data retrieval, further serialization and caching
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type DataManager struct {
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dataDB DataDB
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}
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// DataDB exports access to dataDB
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func (dm *DataManager) DataDB() DataDB {
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return dm.dataDB
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}
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// GetStatQueue retrieves a StatQueue from dataDB
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// handles caching and deserialization of metrics
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func (dm *DataManager) GetStatQueue(tenant, id string, skipCache bool, transactionID string) (sq *StatQueue, err error) {
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key := utils.StatQueuePrefix + utils.ConcatenatedKey(tenant, id)
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if !skipCache {
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if x, ok := cache.Get(key); ok {
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if x == nil {
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return nil, utils.ErrNotFound
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}
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return x.(*StatQueue), nil
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}
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}
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ssq, err := dm.dataDB.GetStoredStatQueue(tenant, id)
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if err != nil {
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if err == utils.ErrNotFound {
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cache.Set(key, nil, cacheCommit(transactionID), transactionID)
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}
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return nil, err
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}
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if sq, err = ssq.AsStatQueue(dm.dataDB.Marshaler()); err != nil {
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return nil, err
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}
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cache.Set(key, sq, cacheCommit(transactionID), transactionID)
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return
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}
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// SetStatQueue converts to StoredStatQueue and stores the result in dataDB
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func (dm *DataManager) SetStatQueue(sq *StatQueue) (err error) {
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ssq, err := NewStoredStatQueue(sq, dm.dataDB.Marshaler())
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if err != nil {
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return err
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}
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return dm.dataDB.SetStoredStatQueue(ssq)
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}
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// RemStatQueue removes the StoredStatQueue and clears the cache for StatQueue
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func (dm *DataManager) RemStatQueue(tenant, id string, transactionID string) (err error) {
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if err = dm.dataDB.RemStoredStatQueue(tenant, id); err != nil {
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return
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}
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cache.RemKey(utils.StatQueuePrefix+utils.ConcatenatedKey(tenant, id), cacheCommit(transactionID), transactionID)
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return
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}
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func (dm *DataManager) GetFilter(tenant, id string, skipCache bool, transactionID string) (fltr *Filter, err error) {
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key := utils.FilterPrefix + utils.ConcatenatedKey(tenant, id)
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if !skipCache {
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if x, ok := cache.Get(key); ok {
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if x == nil {
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return nil, utils.ErrNotFound
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}
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return x.(*Filter), nil
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}
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}
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fltr, err = dm.dataDB.GetFilterDrv(tenant, id)
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if err != nil {
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if err == utils.ErrNotFound {
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cache.Set(key, nil, cacheCommit(transactionID), transactionID)
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}
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return nil, err
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}
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cache.Set(key, fltr, cacheCommit(transactionID), transactionID)
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return
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}
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func (dm *DataManager) SetFilter(fltr *Filter) (err error) {
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return dm.DataDB().SetFilterDrv(fltr)
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}
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