Files
cgrates/engine/spls_load_distribution.go

62 lines
2.1 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package engine
import (
"fmt"
"github.com/cgrates/cgrates/utils"
)
func NewLoadDistributionSorter(spS *SupplierService) *LoadDistributionSorter {
return &LoadDistributionSorter{spS: spS,
sorting: utils.MetaLoad}
}
// ResourceAscendentSorter orders suppliers based on their Resource Usage
type LoadDistributionSorter struct {
sorting string
spS *SupplierService
}
func (ws *LoadDistributionSorter) SortSuppliers(prflID string,
suppls []*Supplier, suplEv *utils.CGREvent, extraOpts *optsGetSuppliers) (sortedSuppls *SortedSuppliers, err error) {
sortedSuppls = &SortedSuppliers{ProfileID: prflID,
Sorting: ws.sorting,
SortedSuppliers: make([]*SortedSupplier, 0)}
for _, s := range suppls {
// we should have at least 1 statID defined for counting CDR (a.k.a *sum:1)
if len(s.StatIDs) == 0 {
utils.Logger.Warning(
fmt.Sprintf("<%s> supplier: <%s> - empty StatIDs",
utils.SupplierS, s.ID))
return nil, utils.NewErrMandatoryIeMissing("StatIDs")
}
if srtSpl, pass, err := ws.spS.populateSortingData(suplEv, s, extraOpts); err != nil {
return nil, err
} else if pass && srtSpl != nil {
// Add the ratio in SortingData so we can used it later in SortLoadDistribution
srtSpl.SortingData[utils.Ratio] = s.cacheSupplier[utils.MetaRatio].(float64)
sortedSuppls.SortedSuppliers = append(sortedSuppls.SortedSuppliers, srtSpl)
}
}
sortedSuppls.SortLoadDistribution()
return
}