mirror of
https://github.com/cgrates/cgrates.git
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98 lines
2.9 KiB
Go
98 lines
2.9 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 config
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import (
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"fmt"
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"net"
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"strconv"
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"strings"
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"github.com/cgrates/cgrates/utils"
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)
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// NewSliceDP constructs a DataProvider
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func NewSliceDP(record []string, pathPrfx string) (dP DataProvider) {
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dP = &SliceDP{req: record, cache: NewNavigableMap(nil), pathPrfx: pathPrfx}
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return
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}
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// SliceDP implements engine.DataProvider so we can pass it to filters
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type SliceDP struct {
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req []string
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cache *NavigableMap
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pathPrfx string // if this comes in path it will be ignored
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// pathPrfx should be reviewed once the cdrc is removed
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}
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// String is part of engine.DataProvider interface
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// when called, it will display the already parsed values out of cache
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func (cP *SliceDP) String() string {
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return utils.ToJSON(cP)
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}
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// FieldAsInterface is part of engine.DataProvider interface
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func (cP *SliceDP) FieldAsInterface(fldPath []string) (data interface{}, err error) {
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if len(fldPath) == 0 {
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return
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}
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idx := fldPath[0]
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if len(fldPath) == 2 {
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idx = fldPath[1]
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}
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if cP.pathPrfx != utils.EmptyString && (fldPath[0] != cP.pathPrfx || len(fldPath) < 2) {
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return "", utils.ErrPrefixNotFound(strings.Join(fldPath, utils.NestingSep))
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}
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if data, err = cP.cache.FieldAsInterface(fldPath); err == nil ||
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err != utils.ErrNotFound { // item found in cache
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return
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}
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err = nil // cancel previous err
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if cfgFieldIdx, err := strconv.Atoi(idx); err != nil {
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return nil, fmt.Errorf("Ignoring record: %v with error : %+v", cP.req, err)
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} else if len(cP.req) <= cfgFieldIdx {
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return nil, utils.ErrNotFound
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} else {
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data = cP.req[cfgFieldIdx]
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}
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cP.cache.Set(fldPath, data, false, false)
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return
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}
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// FieldAsString is part of engine.DataProvider interface
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func (cP *SliceDP) FieldAsString(fldPath []string) (data string, err error) {
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var valIface interface{}
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valIface, err = cP.FieldAsInterface(fldPath)
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if err != nil {
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return
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}
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return utils.IfaceAsString(valIface), nil
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}
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// AsNavigableMap is part of engine.DataProvider interface
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func (cP *SliceDP) AsNavigableMap([]*FCTemplate) (
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nm *NavigableMap, err error) {
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return nil, utils.ErrNotImplemented
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}
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// RemoteHost is part of engine.DataProvider interface
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func (cP *SliceDP) RemoteHost() net.Addr {
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return utils.LocalAddr()
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}
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