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76 lines
2.3 KiB
Go
76 lines
2.3 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 utils
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import (
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"net"
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"strings"
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)
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// NMType the type used for navigable Map
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type NMType byte
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// posible NMType
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const (
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NMDataType NMType = iota
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NMMapType
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NMSliceType
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)
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// DataProvider is a data source from multiple formats
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type DataProvider interface {
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String() string // printable version of data
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FieldAsInterface(fldPath []string) (interface{}, error)
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FieldAsString(fldPath []string) (string, error) // remove this
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RemoteHost() net.Addr
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}
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// RWDataProvider is a DataProvider with write methods on it
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type RWDataProvider interface {
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DataProvider
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Set(fldPath []string, val interface{}) (err error)
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Remove(fldPath []string) (err error)
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}
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// NavigableMapper is the interface supported by replies convertible to CGRReply
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type NavigableMapper interface {
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AsNavigableMap() map[string]*DataNode
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}
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// DPDynamicInterface returns the value of the field if the path is dynamic
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func DPDynamicInterface(dnVal string, dP DataProvider) (interface{}, error) {
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if strings.HasPrefix(dnVal, DynamicDataPrefix) &&
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dnVal != DynamicDataPrefix {
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dnVal = strings.TrimPrefix(dnVal, DynamicDataPrefix)
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return dP.FieldAsInterface(strings.Split(dnVal, NestingSep))
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}
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return StringToInterface(dnVal), nil
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}
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// DPDynamicString returns the string value of the field if the path is dynamic
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func DPDynamicString(dnVal string, dP DataProvider) (string, error) {
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if strings.HasPrefix(dnVal, DynamicDataPrefix) &&
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dnVal != DynamicDataPrefix {
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dnVal = strings.TrimPrefix(dnVal, DynamicDataPrefix)
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return dP.FieldAsString(strings.Split(dnVal, NestingSep))
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}
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return dnVal, nil
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}
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