4 changed files with 0 additions and 184 deletions
@ -1,30 +0,0 @@ |
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package dataSource |
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import ( |
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"gitea.anxinyun.cn/container/common_models" |
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"sync" |
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) |
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type DataChannels struct { |
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RawDataChan chan common_models.IotaData |
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AggDataChan chan common_models.AggData |
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} |
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var ( |
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once sync.Once |
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dataChannels *DataChannels |
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) |
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func InitChannels() *DataChannels { |
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once.Do(func() { |
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dataChannels = &DataChannels{ |
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RawDataChan: make(chan common_models.IotaData, 1), |
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AggDataChan: make(chan common_models.AggData, 1), |
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} |
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}) |
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return dataChannels |
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} |
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func GetChannels() *DataChannels { |
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return dataChannels |
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} |
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@ -1,60 +0,0 @@ |
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package kafka |
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import ( |
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"dataSource" |
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"encoding/json" |
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"gitea.anxinyun.cn/container/common_models" |
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"gitea.anxinyun.cn/container/common_utils" |
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"gitea.anxinyun.cn/container/common_utils/configLoad" |
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"log" |
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"strings" |
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"time" |
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) |
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type AggDataHandler struct { |
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configHelper *common_utils.ConfigHelper |
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} |
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func NewAggDataHandler() *AggDataHandler { |
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redisAddr := configLoad.LoadConfig().GetString("redis.address") |
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return &AggDataHandler{ |
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configHelper: common_utils.NewConfigHelper(redisAddr), |
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} |
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} |
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func (h AggDataHandler) HandleMessage(message string) bool { |
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// aggDataMsg: {"date":"2024-09-19T09:39:59.999+0000","sensorId":106,"structId":1,"factorId":11,"aggTypeId":2006,"aggMethodId":3004,"agg":{"strain":-19.399999618530273},"changed":{"strain":-3}}
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// aggDataMsg 中的时间为UTC格式 2024-04-19T01:10:59.999+0000,
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// 在进行 json.Unmarshal() 时报错
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// 解决方案:先将 +0000 -> Z,然后再将 UTC 时间转换为中国时区时间("Asia/Shanghai")
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// 2024-09-28T23:59:59.999+0800
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// 将 2024-04-19T01:10:59.999+0000 -> 2024-04-19T01:10:59.999Z
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utcTimeStr := strings.Replace(message, "+0800", "+08:00", 1) |
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utcTimeStr = strings.Replace(utcTimeStr, "+0000", "Z", 1) |
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aggData := common_models.AggData{} |
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err := json.Unmarshal([]byte(utcTimeStr), &aggData) |
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if err != nil { |
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log.Printf("json parse error: %v", err) |
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return false |
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} |
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// 转换为中国时区时间("Asia/Shanghai")
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loc, _ := time.LoadLocation("Asia/Shanghai") |
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chinaTime := aggData.Date.In(loc) |
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aggData.Date = chinaTime |
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//log.Printf("message:%v\n, cvt: %+v", message, aggData)
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if aggData.ThingId == "" { |
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structure, err := h.configHelper.GetStructure(aggData.StructId) |
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if err != nil { |
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log.Printf("redis 中无 key = structure:%d 的缓存数据.", aggData.StructId) |
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return false |
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} |
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aggData.ThingId = structure.ThingId |
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} |
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log.Printf("handler 处理sensorId[%d]消息", aggData.SensorId) |
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dataSource.GetChannels().AggDataChan <- aggData |
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return true |
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} |
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@ -1,23 +0,0 @@ |
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package kafka |
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import ( |
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"dataSource" |
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"encoding/json" |
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"gitea.anxinyun.cn/container/common_models" |
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"log" |
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) |
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type IotaDataHandler struct{} |
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func (h IotaDataHandler) HandleMessage(message string) bool { |
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// 处理 alarm 消息
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rawData := common_models.IotaData{} |
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err := json.Unmarshal([]byte(message), &rawData) |
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if err != nil { |
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log.Printf("[dataSource/kafka/iotaData/IotaHandler] Parse msg error: %v", err) |
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return false |
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} |
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log.Printf("handler 处理[%s|%s]消息", rawData.DeviceId, rawData.TriggerTime) |
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dataSource.GetChannels().RawDataChan <- rawData |
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return true |
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} |
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@ -1,71 +0,0 @@ |
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package kafka |
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import ( |
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"dataSource" |
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"gitea.anxinyun.cn/container/common_utils/configLoad" |
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"gitea.anxinyun.cn/container/common_utils/kafkaHelper" |
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"log" |
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) |
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type KafkaDataSource struct { |
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groupId string |
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brokers []string |
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topics map[string]string |
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DataChannels *dataSource.DataChannels |
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} |
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func NewKafkaDataSource() *KafkaDataSource { |
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// 初始化所有通道
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dataSource.InitChannels() |
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// 读取配置
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config := configLoad.LoadConfig() |
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groupId := config.GetString("kafka.groupId") |
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brokers := config.GetStringSlice("kafka.brokers") |
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topics := config.GetStringMapString("kafka.topics") |
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return &KafkaDataSource{ |
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groupId: groupId, |
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brokers: brokers, |
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topics: topics, |
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DataChannels: dataSource.GetChannels(), |
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} |
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} |
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// Producer 将 kafka message -> 各数据模型 -> 各数据通道
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func (s *KafkaDataSource) Producer() { |
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// 消费数据
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kafkaConsumer := kafkaHelper.NewConsumerGroupHandler(s.brokers, s.groupId) |
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for cfgName, topic := range s.topics { |
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// 创建消息处理器
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handler := NewMessageHandler(cfgName) |
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if handler == nil { |
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log.Printf("Kafka topic【%s】未定义处理者。\n", cfgName) |
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continue |
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} |
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// 订阅主题 和 消息处理
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kafkaConsumer.Subscribe(topic, handler.HandleMessage) |
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} |
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kafkaConsumer.Worker() |
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} |
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// IMessageHandler 是 kafka 消息处理者接口
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type IMessageHandler interface { |
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HandleMessage(message string) bool |
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} |
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// NewMessageHandler 是 MessageHandler 构造函数
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// cfgName: config.yaml 中 kafka.topics 的配置名
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func NewMessageHandler(cfgName string) IMessageHandler { |
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switch cfgName { |
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case "data_raw": |
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log.Printf("Kafka topic【%s】已注册处理者IotaDataHandler\n", cfgName) |
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return IotaDataHandler{} |
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case "data_agg": |
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log.Printf("Kafka topic【%s】已注册处理者AggDataHandler\n", cfgName) |
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return NewAggDataHandler() |
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default: |
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return nil |
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} |
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} |
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