data_sender

data_sender.go

@@ -2,20 +2,73 @@ package data_sender_go
 
 import (
 	"google.golang.org/grpc"
-	_ "loafle.com/overflow/cron_go"
 	"log"
 
-	pb "loafle.com/overflow/crawler_go/grpc"
 	"context"
+	"encoding/json"
+	pb "loafle.com/overflow/crawler_go/grpc"
+	"loafle.com/overflow/cron_go"
+	q "loafle.com/overflow/queue_go"
 	"os"
+	"sync"
 )
 
 const (
 	CENTRAL_ADDR     = "127.0.0.1:50052"
 	FILE_PATH        = "/home/insanity/data/temp"
+	SENDER_ID        = "OVERFLOW_DATA_SENDER"
+	DEFAULT_INTERVAL = uint64(5)
 )
 
-func Send(data []byte)  {
+type Data struct {
+	AgentId    string
+	SensorId   string
+	Data       map[string]string
+	StartedAt  uint64
+	FinishedAt uint64
+}
+
+type DataSender struct {
+	once    sync.Once
+	runStat chan bool
+	queue   *q.LoafleQueue
+}
+
+func (ds *DataSender) Start() {
+	ds.once.Do(func() {
+		ds.init()
+	})
+}
+func (ds *DataSender) Stop() {
+	ds.runStat <- false
+}
+
+func (ds *DataSender) init() {
+	ds.queue = q.NewQueue(q.EVENT_TYPE, 3)
+
+	cr := &cron.Cron{}
+	ds.runStat = cr.Start()
+	cr.AddTask(SENDER_ID, DEFAULT_INTERVAL).Invoke(ds.check)
+}
+
+func (ds *DataSender) check() {
+	items := ds.queue.GetItems()
+	len := len(items)
+	if len <= 0 {
+		return
+	}
+	result := make([]*Data, len)
+	for _, item := range items {
+		collectedData := item.Value.(*Data)
+		collectedData.AgentId = agentIdentifier()
+		log.Println("collectedData : ", collectedData)
+		result = append(result, collectedData)
+	}
+
+	ds.send(result)
+}
+
+func (ds *DataSender) send(data []*Data) {
 	conn, err := grpc.Dial(CENTRAL_ADDR, grpc.WithInsecure())
 	if err != nil {
 		saveFailedData(data)
@@ -33,7 +86,7 @@ func Send(data []byte)  {
 	log.Print(out)
 }
 
-func saveFailedData(data []byte) {
+func saveFailedData(datas []*Data) {
 
 	file, err := tempFile()
 	if err != nil {
@@ -46,10 +99,18 @@ func saveFailedData(data []byte) {
 		}
 	}()
 
-	_, err = file.Write(data)
+	for _, data := range datas {
+
+		bytes, err := json.Marshal(&data)
+		log.Println("write : ", string(bytes))
 		if err != nil {
 			log.Println(err)
 		}
+		_, err = file.Write(bytes)
+		if err != nil {
+			log.Println(err)
+		}
+	}
 }
 
 func tempFile() (*os.File, error) {
@@ -66,7 +127,7 @@ func tempFile() (*os.File, error) {
 		}
 	} else {
 		if fileInfo != nil {
-			file, err = os.OpenFile(FILE_PATH, os.O_RDWR|os.O_APPEND, 0660);
+			file, err = os.OpenFile(FILE_PATH, os.O_RDWR|os.O_APPEND, 0660)
 			if err != nil {
 				return nil, err
 			}
@@ -75,3 +136,7 @@ func tempFile() (*os.File, error) {
 
 	return file, nil
 }
+
+func agentIdentifier() string {
+	return "agentID_000000001"
+}

data_sender_test.go

@@ -1,26 +1,39 @@
 package data_sender_go
 
 import (
-	"testing"
-	"loafle.com/overflow/crawler_go/grpc"
-	"time"
-	"bytes"
-	"encoding/binary"
 	"fmt"
+	"loafle.com/overflow/agent_api/observer"
+	"loafle.com/overflow/queue_go"
+	"testing"
+	"time"
 )
 
+type Result struct {
+	Data []byte
+}
+
 func TestSend(t *testing.T) {
-	result := &grpc.Output{
+
-		StartDate:time.Now().UnixNano(),
+	ds := &DataSender{}
-		EndDate:time.Now().UnixNano(),
+	ds.Start()
-		Data:[]byte{'a','b','c'},
+	testNotify()
+
+	time.Sleep(time.Second * 100)
 }
 
-	var buf bytes.Buffer
+func testNotify() {
-	binary.Write(&buf, binary.BigEndian, result)
+	time.Sleep(time.Second * 5)
 
-	fmt.Println(buf.Bytes())
+	result := make(map[string]string)
-	Send(buf.Bytes())
+	result["ab"] = "123"
+	result["cd"] = "456"
+	result["ef"] = "789"
 
+	cd := &Data{
+		SensorId: "insanity",
+		Data:     result,
 	}
 
+	fmt.Println("New data Notify")
+	observer.Notify(queue.StringType(queue.EVENT_TYPE), cd)
+}