package nsq
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import (
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"apsClient/conf"
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"apsClient/constvar"
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"apsClient/pkg/logx"
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"apsClient/pkg/nsqclient"
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"apsClient/pkg/safe"
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"context"
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"errors"
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"fmt"
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"sync"
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"sync/atomic"
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)
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type consumerManager struct {
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ctx context.Context
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clients sync.Map
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initFlag int32
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}
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var defaultConsumerManager *consumerManager
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func init() {
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defaultConsumerManager = new(consumerManager)
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}
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func (c *consumerManager) init() error {
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if len(conf.Conf.NsqConf.NodeId) <= 0 {
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return errors.New("no NodeId")
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}
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if !atomic.CompareAndSwapInt32(&c.initFlag, 0, 1) {
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return nil
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}
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if err := initProducer(); err != nil {
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return err
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}
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var topics = []string{
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constvar.NsqTopicScheduleTask,
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constvar.NsqTopicSendPlcAddress,
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constvar.NsqTopicApsProcessParams,
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constvar.NsqTopicDeviceUpdate,
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constvar.NsqTopicPullDataResponse,
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}
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for _, t := range topics {
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topic := fmt.Sprintf(t, conf.Conf.NsqConf.NodeId)
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c.AddConsumer(topic)
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}
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return nil
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}
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func (c *consumerManager) AddConsumer(topic string) {
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safe.Go(func() {
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client, err := NewConsumer(topic, conf.Conf.System.DeviceId)
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if err != nil {
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logx.Errorf("start nsq consume err: %v", err)
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}
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c.clients.Store(topic, client)
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logx.Infof("add consumer success, topic:%v", topic)
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if len(conf.Conf.NsqConf.NsqlookupdAddr) > 0 {
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if err = client.RunLookupd(conf.Conf.NsqConf.NsqlookupdAddr, 1); err != nil {
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logx.Errorf("RunLookupd err:%v", err)
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return
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}
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} else {
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if err = client.Run(conf.Conf.NsqConf.NsqdAddr, 1); err != nil {
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logx.Errorf("Run err:%v", err)
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return
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}
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}
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})
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}
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func (c *consumerManager) stop() {
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c.clients.Range(func(key, value any) bool {
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if consumer, ok := value.(*nsqclient.NsqConsumer); ok {
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nsqclient.DestroyNsqConsumer(consumer)
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logx.Infof("try stop consumer, topic : %v", key)
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consumer = nil
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c.clients.Delete(key)
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}
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return true
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})
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}
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func Init() error {
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return defaultConsumerManager.init()
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}
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func Stop() {
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defaultConsumerManager.stop()
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StopProducer()
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}
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