ztelur commented on a change in pull request #300: URL: https://github.com/apache/dubbo-go-pixiu/pull/300#discussion_r752171952
########## File path: pkg/client/mq/mq.go ########## @@ -0,0 +1,156 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package mq + +import ( + "context" + "encoding/json" + "io/ioutil" + "strings" + "sync" +) + +import ( + "github.com/apache/dubbo-go-pixiu/pkg/client" + "github.com/apache/dubbo-go-pixiu/pkg/common/constant" + "github.com/apache/dubbo-go-pixiu/pkg/logger" +) + +import ( + perrors "github.com/pkg/errors" +) + +var ( + mqClient *Client + once sync.Once + consumerFacadeMap sync.Map +) + +func NewSingletonMQClient(config Config) *Client { + if mqClient == nil { + once.Do(func() { + var err error + mqClient, err = NewMQClient(config) + if err != nil { + logger.Errorf("create mq client failed, %s", err.Error()) + } + }) + } + return mqClient +} + +func NewMQClient(config Config) (*Client, error) { + var c *Client + ctx := context.Background() + switch config.MqType { + case constant.MQTypeKafka: + pf, err := NewKafkaProviderFacade(config.KafkaProducerConfig) + if err != nil { + return nil, err + } + c = &Client{ + ctx: ctx, + producerFacade: pf, + kafkaConsumerConfig: config.KafkaConsumerConfig, + } + case constant.MQTypeRocketMQ: + return nil, perrors.New("rocketmq not support") + } + + return c, nil +} + +type Client struct { + ctx context.Context + producerFacade ProducerFacade + kafkaConsumerConfig KafkaConsumerConfig +} + +func (c Client) Apply() error { + panic("implement me") +} + +func (c Client) Close() error { + return nil +} + +func (c Client) Call(req *client.Request) (res interface{}, err error) { + body, err := ioutil.ReadAll(req.IngressRequest.Body) + if err != nil { + return nil, err + } + + paths := strings.Split(req.API.Path, "/") + if len(paths) < 3 { + return nil, perrors.New("failed to send message, broker or Topic not found") + } + + switch MQActionStrToInt[paths[0]] { + case MQActionPublish: + var pReq MQProduceRequest + err = json.Unmarshal(body, &pReq) + if err != nil { + return nil, err + } + err = c.producerFacade.Send(pReq.Msg, WithTopic(pReq.Topic)) + if err != nil { + return nil, err + } + case MQActionSubscribe: + var cReq MQSubscribeRequest + err = json.Unmarshal(body, &cReq) + if err != nil { + return nil, err + } + if _, ok := consumerFacadeMap.Load(cReq.ConsumerGroup); !ok { Review comment: Load有数据的分支是不是遗漏了 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@dubbo.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: notifications-unsubscr...@dubbo.apache.org For additional commands, e-mail: notifications-h...@dubbo.apache.org
