98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package nsq
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import (
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"context"
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"fmt"
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"github.com/nsqio/go-nsq"
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"github.com/coze-dev/coze-studio/backend/infra/contract/eventbus"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/conv"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/signal"
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"github.com/coze-dev/coze-studio/backend/pkg/logs"
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"github.com/coze-dev/coze-studio/backend/pkg/safego"
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)
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func RegisterConsumer(nameServer, topic, group string, consumerHandler eventbus.ConsumerHandler, opts ...eventbus.ConsumerOpt) error {
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if nameServer == "" {
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return fmt.Errorf("name server is empty")
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}
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if topic == "" {
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return fmt.Errorf("topic is empty")
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}
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if group == "" {
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return fmt.Errorf("group is empty")
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}
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if consumerHandler == nil {
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return fmt.Errorf("consumer handler is nil")
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}
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config := nsq.NewConfig()
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consumer, err := nsq.NewConsumer(topic, group, config)
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if err != nil {
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return fmt.Errorf("create consumer failed, err=%w", err)
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}
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consumer.AddHandler(&MessageHandler{
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Topic: topic,
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Group: group,
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ConsumerHandler: consumerHandler,
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})
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if err := consumer.ConnectToNSQD(nameServer); err != nil {
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return fmt.Errorf("connect to nsqd failed, err=%w", err)
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}
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safego.Go(context.Background(), func() {
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signal.WaitExit()
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consumer.Stop()
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})
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return nil
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}
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// 自定义 Handler，处理收到的每条消息
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type MessageHandler struct {
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Topic string
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Group string
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ConsumerHandler eventbus.ConsumerHandler
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}
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func (h *MessageHandler) HandleMessage(m *nsq.Message) error {
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msg := &eventbus.Message{
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Topic: h.Topic,
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Group: h.Group,
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Body: m.Body,
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}
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logs.Debugf("[Subscribe] receive msg : %v \n", conv.DebugJsonToStr(msg))
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err := h.ConsumerHandler.HandleMessage(context.Background(), msg)
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if err != nil {
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logs.Errorf("[Subscribe] handle msg failed, topic : %s , group : %s, err: %v \n", msg.Topic, msg.Group, err)
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return err
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}
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logs.Debugf("subscribe callback: %v \n", conv.DebugJsonToStr(msg))
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return nil
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}
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