mirror of
https://github.com/cgrates/cgrates.git
synced 2026-02-11 18:16:24 +05:00
131 lines
3.7 KiB
Go
131 lines
3.7 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 ees
|
|
|
|
import (
|
|
"encoding/csv"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path"
|
|
"sync"
|
|
|
|
"github.com/cgrates/cgrates/engine"
|
|
|
|
"github.com/cgrates/cgrates/config"
|
|
"github.com/cgrates/cgrates/utils"
|
|
)
|
|
|
|
func NewFileCSVee(cfg *config.EventExporterCfg,
|
|
cgrCfg *config.CGRConfig, filterS *engine.FilterS,
|
|
em *utils.ExporterMetrics) (fCsv *FileCSVee, err error) {
|
|
fCsv = &FileCSVee{
|
|
cfg: cfg,
|
|
em: em,
|
|
|
|
cgrCfg: cgrCfg,
|
|
filterS: filterS,
|
|
}
|
|
err = fCsv.init()
|
|
return
|
|
}
|
|
|
|
// FileCSVee implements EventExporter interface for .csv files
|
|
type FileCSVee struct {
|
|
cfg *config.EventExporterCfg
|
|
em *utils.ExporterMetrics
|
|
file io.WriteCloser
|
|
csvWriter *csv.Writer
|
|
sync.Mutex
|
|
slicePreparing
|
|
// for header and trailer composing
|
|
cgrCfg *config.CGRConfig
|
|
filterS *engine.FilterS
|
|
}
|
|
|
|
func (fCsv *FileCSVee) init() (err error) {
|
|
fCsv.Lock()
|
|
defer fCsv.Unlock()
|
|
// create the file
|
|
filePath := path.Join(fCsv.Cfg().ExportPath,
|
|
fCsv.Cfg().ID+utils.Underline+utils.UUIDSha1Prefix()+utils.CSVSuffix)
|
|
fCsv.em.Set([]string{utils.ExportPath}, filePath)
|
|
if fCsv.file, err = os.Create(filePath); err != nil {
|
|
return
|
|
}
|
|
fCsv.csvWriter = csv.NewWriter(fCsv.file)
|
|
fCsv.csvWriter.Comma = utils.CSVSep
|
|
if fCsv.Cfg().Opts.CSVFieldSeparator != nil {
|
|
fCsv.csvWriter.Comma = rune((*fCsv.Cfg().Opts.CSVFieldSeparator)[0])
|
|
}
|
|
return fCsv.composeHeader()
|
|
}
|
|
|
|
// Compose and cache the header
|
|
func (fCsv *FileCSVee) composeHeader() (err error) {
|
|
if len(fCsv.Cfg().HeaderFields()) != 0 {
|
|
var exp *utils.OrderedNavigableMap
|
|
if exp, err = composeHeaderTrailer(utils.MetaHdr, fCsv.Cfg().HeaderFields(), fCsv.em, fCsv.cgrCfg, fCsv.filterS); err != nil {
|
|
return
|
|
}
|
|
return fCsv.csvWriter.Write(exp.OrderedFieldsAsStrings())
|
|
}
|
|
return
|
|
}
|
|
|
|
// Compose and cache the trailer
|
|
func (fCsv *FileCSVee) composeTrailer() (err error) {
|
|
if len(fCsv.Cfg().TrailerFields()) != 0 {
|
|
var exp *utils.OrderedNavigableMap
|
|
if exp, err = composeHeaderTrailer(utils.MetaTrl, fCsv.Cfg().TrailerFields(), fCsv.em, fCsv.cgrCfg, fCsv.filterS); err != nil {
|
|
return
|
|
}
|
|
return fCsv.csvWriter.Write(exp.OrderedFieldsAsStrings())
|
|
}
|
|
return
|
|
}
|
|
|
|
func (fCsv *FileCSVee) Cfg() *config.EventExporterCfg { return fCsv.cfg }
|
|
|
|
func (fCsv *FileCSVee) Connect() (_ error) { return }
|
|
|
|
func (fCsv *FileCSVee) ExportEvent(ev any, _ string) error {
|
|
fCsv.Lock() // make sure that only one event is writen in file at once
|
|
defer fCsv.Unlock()
|
|
return fCsv.csvWriter.Write(ev.([]string))
|
|
}
|
|
|
|
func (fCsv *FileCSVee) Close() (err error) {
|
|
fCsv.Lock()
|
|
defer fCsv.Unlock()
|
|
// verify if we need to add the trailer
|
|
if err = fCsv.composeTrailer(); err != nil {
|
|
utils.Logger.Warning(fmt.Sprintf("<%s> Exporter with id: <%s> received error: <%s> when composed trailer",
|
|
utils.EEs, fCsv.Cfg().ID, err.Error()))
|
|
}
|
|
fCsv.csvWriter.Flush()
|
|
if err = fCsv.file.Close(); err != nil {
|
|
utils.Logger.Warning(fmt.Sprintf("<%s> Exporter with id: <%s> received error: <%s> when closing the file",
|
|
utils.EEs, fCsv.Cfg().ID, err.Error()))
|
|
}
|
|
return
|
|
}
|
|
|
|
func (fCsv *FileCSVee) GetMetrics() *utils.ExporterMetrics { return fCsv.em }
|