long poller

poller.go

@@ -2,13 +2,20 @@ package long_poller_go
 
 import (
 	"fmt"
+	"google.golang.org/grpc"
 	"loafle.com/overflow/cron_go"
 	"sync"
+
+	"context"
+	pb "loafle.com/overflow/crawler_go/grpc" //temp
+	"log"
+	"time"
 )
 
 var (
 	POLLING_ID       = "OVERFLOW_LONG_POLLING"
-	DEFAULT_INTERVAL = uint64(3)
+	DEFAULT_INTERVAL = uint64(5)
+	API_SERVER_ADDR  = "127.0.0.1:50052"
 )
 
 type LongPoller struct {
@@ -28,7 +35,7 @@ func (p *LongPoller) Start() {
 func (p *LongPoller) startPolling() {
 	cr := &cron.Cron{}
 	p.runStat = cr.Start()
-	cr.AddTask(POLLING_ID, DEFAULT_INTERVAL).Invoke(p.poll, "agent0001")
+	cr.AddTask(POLLING_ID, DEFAULT_INTERVAL).Invoke(p.polling, agentIdentifier())
 }
 
 func (p *LongPoller) Stop() {
@@ -36,6 +43,26 @@ func (p *LongPoller) Stop() {
 	p.wg.Done()
 }
 
-func (p *LongPoller) poll(agentId string) {
-	fmt.Printf("%s :: LongPolling\n", agentId)
+func (p *LongPoller) polling(agentId string) {
+	fmt.Printf("[%s] %s :: LongPolling\n", time.Now(), agentId)
+
+	conn, err := grpc.Dial(API_SERVER_ADDR, grpc.WithInsecure())
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	defer conn.Close()
+
+	//todo temporary
+	client := pb.NewStatusClient(conn)
+	out, err := client.Status(context.Background(), &pb.Empty{})
+	if err != nil {
+		log.Println(err)
+	}
+	log.Println(out)
+}
+
+func agentIdentifier() string {
+	//todo
+	return "agent000001"
 }