流式数据处理

conf.yaml

@@ -0,0 +1,12 @@
+config:
+  natsurl: 192.168.3.240:19090
+  threads: 3
+  process:
+    name: 招标数据流处理
+    subject: dataprocess
+    steps: [topclass, extract, save]
+    remark: 生产环境:招标分类class--》结构化抽取extract--》数据保持save
+  mongodb:
+    addr: 192.168.3.167:27082
+    dbname: zjk_test
+    remark: 测试库

extract/conf.yaml

@@ -0,0 +1,8 @@
+config:
+  natsurl: "192.168.3.240:19090"
+  threads: 3
+  process:
+    name: 结构化抽
+    subject: dataprocess
+    step: extract
+    remark: 招标数据流处理--结构化抽取节点

extract/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"dataflow/util"
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"github.com/nats-io/nats.go"
+)
+
+var (
+	conf         util.Conf
+	url          string
+	ThreadsLimit int
+	Subject      string
+	Step         string
+)
+
+func init() {
+	conf = util.GetConf()
+	url = conf.Config.Natsurl
+	if url == "" {
+		url = nats.DefaultURL
+	}
+	Step = conf.Config.Process.Step
+	Subject = conf.Config.Process.Subject + "." + Step
+	ThreadsLimit = conf.Config.Threads
+
+	fmt.Println("url:", url, "subject", Subject)
+}
+
+func main() {
+	nc, _ := nats.Connect(url)
+	defer nc.Drain()
+	for i := 0; i < ThreadsLimit; i++ {
+		go func() {
+			//订阅消息
+			nc.QueueSubscribe(Subject, Step, func(msg *nats.Msg) {
+				data := &util.MsgInfo{}
+				err := json.Unmarshal(msg.Data, &data)
+				if err != nil {
+					log.Println(err)
+				} else {
+					//数据处理加工--抽取
+					data.Data["area"] = "河南"
+					data.Data["city"] = "郑州"
+					fmt.Println(data.Id, "消息加工完成")
+					//消息回写
+					//bs, _ := json.Marshal(data)
+					//time.Sleep(1 * time.Second)
+					//msg.Respond(bs)
+				}
+			})
+		}()
+	}
+
+	ck := make(chan int, 0)
+	ck <- 0
+}

go.mod

@@ -0,0 +1,25 @@
+module dataflow
+
+go 1.20
+
+require github.com/nats-io/nats.go v1.31.0
+
+require (
+	github.com/golang/snappy v0.0.1 // indirect
+	github.com/klauspost/compress v1.17.0 // indirect
+	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe // indirect
+	github.com/nats-io/nkeys v0.4.5 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.1 // indirect
+	github.com/xdg-go/stringprep v1.0.3 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
+	go.mongodb.org/mongo-driver v1.10.1 // indirect
+	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	jygit.jydev.jianyu360.cn/data_processing/common_utils v0.0.0-20230915054514-628d4fe7544c // indirect
+)

go.sum

@@ -0,0 +1,190 @@
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main.go

@@ -0,0 +1,125 @@
+package main
+
+import (
+	"dataflow/util"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/nats-io/nats.go"
+	mgo "jygit.jydev.jianyu360.cn/data_processing/common_utils/mongodb"
+)
+
+var (
+	conf         util.Conf
+	url          string
+	ThreadsLimit int
+	DB           *mgo.MongodbSim
+
+	ProMsgInfo = make(chan *util.MsgInfo, 50000)
+	ErrMsgInfo = make(chan *util.MsgInfo, 50000)
+)
+
+func init() {
+	conf = util.GetConf()
+	ThreadsLimit = conf.Config.Threads
+	url = conf.Config.Natsurl
+	if url == "" {
+		url = nats.DefaultURL
+	}
+	log.Println("url", url)
+
+	DB = &mgo.MongodbSim{
+		MongodbAddr: conf.Config.Mongodb.Addr,
+		DbName:      conf.Config.Mongodb.Dbname,
+		Size:        2,
+	}
+	DB.InitPool()
+
+	go ErrBulkSave()
+	//go ErrPublish()
+	//go SendAlarm()
+}
+
+func main() {
+	nc, _ := nats.Connect(url)
+	defer nc.Drain()
+
+	step := conf.Config.Process
+	subject := step.Subject
+	//消息体
+	for i := 0; i < 100; i++ {
+		//消息体
+		info := &util.MsgInfo{
+			Id: fmt.Sprint(i),
+			Data: map[string]interface{}{
+				"title":  "测试消息" + fmt.Sprint(i),
+				"detail": "信息源码",
+			},
+		}
+		ProMsgInfo <- info
+	}
+
+	for i := 0; i < ThreadsLimit; i++ {
+		go func() {
+			for {
+				info := <-ProMsgInfo
+				//按照步骤发布消息
+				for _, st := range step.Steps {
+					newinfo, err := util.SendRequest(nc, subject, st, info, 1*time.Second)
+					if err != nil {
+						//TODO 1、消息重发 2、告警
+						log.Println("err", info.Id, err)
+						ErrMsgInfo <- info
+						break
+					} else {
+						info = newinfo
+						//log.Println(info.Id, st, info.Etime-info.Stime)
+					}
+				}
+			}
+		}()
+	}
+
+	ck := make(chan int, 0)
+	ck <- 0
+}
+
+// 错误消息重发
+func ErrPublish() {
+	// TODO 读取msg_err重新发送
+}
+
+// 错误告警
+func SendAlarm() {
+	// TODO
+}
+
+// 错误数据保存
+func ErrBulkSave() {
+	elist := []map[string]interface{}{}
+	for {
+		select {
+		case data, ok := <-ErrMsgInfo:
+			if ok {
+				tmp := map[string]interface{}{}
+				tmp["id"] = data.Id
+				tmp["currsetp"] = data.CurrSetp
+				tmp["comeintime"] = time.Now().Unix()
+				tmp["data"] = data.Data
+				elist = append(elist, tmp)
+				if len(elist) >= 20 {
+					DB.SaveBulk("msg_err", elist...)
+					elist = []map[string]interface{}{}
+				}
+			}
+		case <-time.After(5 * time.Second): // 设置超时时间秒
+			if len(elist) > 0 {
+				DB.SaveBulk("msg_err", elist...)
+				elist = []map[string]interface{}{}
+			}
+		default:
+
+		}
+	}
+}

savedb/conf.yaml

@@ -0,0 +1,11 @@
+config:
+  natsurl: 192.168.3.240:19090
+  process:
+    name: 数据保存
+    subject: dataprocess
+    step: save
+    remark: 招标数据流处理--保存节点
+  mongodb:
+    addr: 192.168.3.167:27082
+    dbname: zjk_test
+    remark: 测试库

savedb/main.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"dataflow/util"
+	"encoding/json"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/nats-io/nats.go"
+	mgo "jygit.jydev.jianyu360.cn/data_processing/common_utils/mongodb"
+)
+
+var (
+	conf          util.Conf
+	url           string
+	DataChan      = make(chan map[string]interface{}, 50000)
+	Step, Subject string
+
+	DB *mgo.MongodbSim
+)
+
+func init() {
+	conf = util.GetConf()
+	url = conf.Config.Natsurl
+	if url == "" {
+		url = nats.DefaultURL
+	}
+	Step = conf.Config.Process.Step
+	Subject = conf.Config.Process.Subject + "." + Step
+
+	fmt.Println("url:", url, "subject", Subject)
+
+	DB = &mgo.MongodbSim{
+		MongodbAddr: conf.Config.Mongodb.Addr,
+		DbName:      conf.Config.Mongodb.Dbname,
+		Size:        2,
+	}
+	DB.InitPool()
+}
+
+func main() {
+	nc, _ := nats.Connect(url)
+	defer nc.Drain()
+
+	//订阅消息--数据处理加工--保存
+	nc.QueueSubscribe(Subject, Step, func(msg *nats.Msg) {
+		data := &util.MsgInfo{}
+		err := json.Unmarshal(msg.Data, &data)
+		if err != nil {
+			log.Println(err)
+		} else {
+			DataChan <- data.Data
+			//time.Sleep(1 * time.Second)
+			//消息回写
+			msg.Respond(msg.Data)
+		}
+	})
+
+	go bulkSave()
+	ck := make(chan int, 0)
+	ck <- 0
+}
+
+// 批量保存方法
+func bulkSave() {
+	list := []map[string]interface{}{}
+	for {
+		select {
+		case data, ok := <-DataChan:
+			if ok {
+				list = append(list, data)
+				if len(list) >= 20 {
+					save(list)
+					list = []map[string]interface{}{}
+				}
+			}
+		case <-time.After(5 * time.Second): // 设置超时时间秒
+			if len(list) > 0 {
+				save(list)
+				list = []map[string]interface{}{}
+			}
+		default:
+
+		}
+	}
+}
+
+func save(data []map[string]interface{}) {
+	//log.Println("保存数据")
+	DB.SaveBulk("msg", data...)
+}

topclass/conf.yaml

@@ -0,0 +1,8 @@
+config:
+  natsurl: "192.168.3.240:19090"
+  threads: 3
+  process:
+    name: 招标分类
+    subject: dataprocess
+    step: topclass
+    remark: 招标数据流处理--招标分类节点

topclass/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"dataflow/util"
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"github.com/nats-io/nats.go"
+)
+
+var (
+	conf          util.Conf
+	url           string
+	ThreadsLimit  int
+	Step, Subject string
+)
+
+func init() {
+	conf = util.GetConf()
+	url = conf.Config.Natsurl
+	if url == "" {
+		url = nats.DefaultURL
+	}
+	Step = conf.Config.Process.Step
+	Subject = conf.Config.Process.Subject + "." + Step
+	ThreadsLimit = conf.Config.Threads
+
+	fmt.Println("url:", url, "subject", Subject)
+}
+
+func main() {
+	nc, _ := nats.Connect(url)
+	defer nc.Drain()
+
+	for i := 0; i < ThreadsLimit; i++ {
+		go func() {
+			//订阅消息
+			nc.QueueSubscribe(Subject, Step, func(msg *nats.Msg) {
+				data := &util.MsgInfo{}
+				err := json.Unmarshal(msg.Data, &data)
+				if err != nil {
+					log.Println(err)
+				} else {
+					//数据处理加工--分类
+					data.Data["toptype"] = "招标"
+					data.Data["subtype"] = "招标"
+					fmt.Println(data.Id, "消息加工完成")
+					//消息回写
+					bs, _ := json.Marshal(data)
+					//time.Sleep(1 * time.Second)
+					msg.Respond(bs)
+				}
+			})
+		}()
+	}
+
+	ck := make(chan int, 0)
+	ck <- 0
+}

util/conf.go

@@ -0,0 +1,46 @@
+package util
+
+import (
+	"fmt"
+	"io/ioutil"
+
+	"gopkg.in/yaml.v2"
+)
+
+type Conf struct {
+	Config Config
+}
+
+type Config struct {
+	Natsurl string
+	Threads int
+	Process Step
+	Mongodb Db
+}
+
+type Step struct {
+	Name    string
+	Subject string
+	Steps   []string
+	Step    string
+	Remark  string
+}
+
+type Db struct {
+	Addr   string
+	Dbname string
+	Remark string
+}
+
+func GetConf() Conf {
+	var conf Conf // 加载文件
+	yamlFile, err := ioutil.ReadFile("conf.yaml")
+	if err != nil {
+		fmt.Println(err.Error())
+	} // 将读取的yaml文件解析为响应的 struct
+	err = yaml.Unmarshal(yamlFile, &conf)
+	if err != nil {
+		fmt.Println(err.Error())
+	}
+	return conf
+}

util/util.go

@@ -0,0 +1,40 @@
+// util
+package util
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/nats-io/nats.go"
+)
+
+type MsgInfo struct {
+	Id       string                 //消息唯一id
+	CurrSetp string                 //当前步骤
+	Data     map[string]interface{} //数据内容
+	Stime    int64
+	Etime    int64
+}
+
+func SendRequest(nc *nats.Conn, subject, step string, requestData *MsgInfo, timeout time.Duration) (*MsgInfo, error) {
+	requestData.CurrSetp = step
+	stime := time.Now().UnixMilli()
+	// 发送请求并等待响应
+	bs, err := json.Marshal(requestData)
+	if err != nil {
+		return nil, err
+	}
+	rep, err := nc.Request(subject+"."+step, bs, timeout)
+	if err != nil {
+		return nil, err
+	}
+	// 返回响应数据
+	msgInfo := &MsgInfo{}
+	msgInfo.Etime = time.Now().UnixMilli()
+	msgInfo.Stime = stime
+	err = json.Unmarshal(rep.Data, msgInfo)
+	if err != nil {
+		return nil, err
+	}
+	return msgInfo, nil
+}