Files
cgrates/ees/amqpv1.go
2025-03-17 17:36:58 +01:00

125 lines
3.2 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 (
"context"
"sync"
amqpv1 "github.com/Azure/go-amqp"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/utils"
)
// NewAMQPv1EE creates a poster for amqpv1
func NewAMQPv1EE(cfg *config.EventExporterCfg, dc *utils.ExporterMetrics) *AMQPv1EE {
pstr := &AMQPv1EE{
cfg: cfg,
dc: dc,
queueID: "/" + utils.DefaultQueueID,
reqs: newConcReq(cfg.ConcurrentRequests),
}
if amqp := cfg.Opts.AMQP; amqp != nil {
if amqp.QueueID != nil {
pstr.queueID = "/" + *amqp.QueueID
}
if amqp.Username != nil && amqp.Password != nil {
pstr.connOpts = &amqpv1.ConnOptions{
SASLType: amqpv1.SASLTypePlain(*amqp.Username, *amqp.Password),
}
}
}
return pstr
}
// AMQPv1EE a poster for amqpv1
type AMQPv1EE struct {
queueID string // identifier of the CDR queue where we publish
conn *amqpv1.Conn
connOpts *amqpv1.ConnOptions
session *amqpv1.Session
cfg *config.EventExporterCfg
dc *utils.ExporterMetrics
reqs *concReq
sync.RWMutex // protect connection
bytePreparing
}
func (pstr *AMQPv1EE) Cfg() *config.EventExporterCfg { return pstr.cfg }
func (pstr *AMQPv1EE) Connect() (err error) {
pstr.Lock()
defer pstr.Unlock()
if pstr.conn == nil {
if pstr.conn, err = amqpv1.Dial(context.TODO(), pstr.Cfg().ExportPath, pstr.connOpts); err != nil {
return
}
}
if pstr.session == nil {
pstr.session, err = pstr.conn.NewSession(context.TODO(), nil)
if err != nil {
// reset client and try again
// used in case of closed connection because of idle time
if pstr.conn != nil {
pstr.conn.Close() // Make shure the connection is closed before reseting it
pstr.conn = nil
}
}
}
return
}
func (pstr *AMQPv1EE) ExportEvent(content any, _ string) (err error) {
pstr.reqs.get()
pstr.RLock()
defer func() {
pstr.RUnlock()
pstr.reqs.done()
}()
if pstr.session == nil {
return utils.ErrDisconnected
}
sender, err := pstr.session.NewSender(context.TODO(), pstr.queueID, nil)
if err != nil {
return
}
// Send message
ctx := context.Background()
err = sender.Send(ctx, amqpv1.NewMessage(content.([]byte)), nil)
sender.Close(ctx)
return
}
func (pstr *AMQPv1EE) Close() (err error) {
pstr.Lock()
if pstr.session != nil {
pstr.session.Close(context.Background())
pstr.session = nil
}
if pstr.conn != nil {
err = pstr.conn.Close()
pstr.conn = nil
}
pstr.Unlock()
return
}
func (pstr *AMQPv1EE) GetMetrics() *utils.ExporterMetrics { return pstr.dc }