Files
cgrates/engine/destinations.go
2013-12-16 19:09:56 +02:00

91 lines
2.0 KiB
Go

/*
Rating system designed to be used in VoIP Carriers World
Copyright (C) 2013 ITsysCOM
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 (
"strings"
"github.com/cgrates/cgrates/utils"
)
const (
LONG_PREFIX_SLICE_LENGTH = 30
)
/*
Structure that gathers multiple destination prefixes under a common id.
*/
type Destination struct {
Id string
Prefixes []string
longPrefixesMap map[string]interface{}
}
// returns prefix precision
func (d *Destination) containsPrefix(prefix string) int {
if d == nil {
return 0
}
if d.Prefixes != nil {
for _, p := range d.Prefixes {
if strings.Index(prefix, p) == 0 {
return len(p)
}
}
}
if d.longPrefixesMap != nil {
for i, p := range utils.SplitPrefix(prefix) {
if _, found := d.longPrefixesMap[p]; found {
return len(prefix) - i
}
}
}
return 0
}
func (d *Destination) String() (result string) {
result = d.Id + ": "
if d.Prefixes != nil {
for _, k := range d.Prefixes {
result += k + ", "
}
}
if d.longPrefixesMap != nil {
for k, _ := range d.longPrefixesMap {
result += k + ", "
}
}
result = strings.TrimRight(result, ", ")
return result
}
func (d *Destination) AddPrefix(pfx string) {
d.Prefixes = append(d.Prefixes, pfx)
}
func (d *Destination) OptimizePrefixes() {
if len(d.Prefixes) > LONG_PREFIX_SLICE_LENGTH {
d.longPrefixesMap = make(map[string]interface{})
for _, p := range d.Prefixes {
d.longPrefixesMap[p] = nil
}
d.Prefixes = nil
}
}