init

at-cluster/tools/reporter/main.go

@@ -0,0 +1,98 @@
+package main
+
+import (
+	utils "anytunnel/at-common"
+	"flag"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/codeskyblue/kexec"
+)
+
+func main() {
+
+	host := flag.String("h", "127.0.0.1", "api host")
+	port := flag.Int("p", 37081, "api port")
+	interval := flag.Int("i", 3, "every interval seconds to reporting")
+	interfaceName := flag.String("e", "eth0", "interface name")
+	failSleep := flag.Int("s", 5, "sleep seconds when fail to reporting")
+	pname := flag.String("n", "at-cluster", "program name to counting connections")
+	flag.Parse()
+	sleep := time.Duration(*failSleep)
+	lastbytes := 0
+	for {
+		output, err := kexec.CommandString("netstat -atn|grep -v \"LISTEN\" | wc -l").CombinedOutput()
+		if err != nil {
+			fmt.Println(err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		sysCount, err := strconv.Atoi(strings.Trim(string(output), "\r\n"))
+		if err != nil {
+			fmt.Println(err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		output, err = kexec.CommandString(`netstat -atnp 2>/dev/null |grep -v "LISTEN" |grep ` + *pname + `| wc -l`).CombinedOutput()
+		if err != nil {
+			fmt.Println(err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		programCount, err := strconv.Atoi(strings.Trim(string(output), "\r\n"))
+		if err != nil {
+			fmt.Println(err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		output, err = kexec.CommandString(`cat /proc/net/dev |grep ` + *interfaceName).CombinedOutput()
+		if err != nil {
+			fmt.Println("exec cat /proc/net/dev ERR:", err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		arr := strings.Fields(string(output))
+		bandwidth := 0
+		if len(arr) > 1 {
+			bytesIn, err := strconv.Atoi(arr[1])
+			if err != nil {
+				fmt.Println(err)
+				time.Sleep(time.Second * sleep)
+				continue
+			}
+			bytesOut, err := strconv.Atoi(arr[2])
+			if err != nil {
+				fmt.Println(err)
+				time.Sleep(time.Second * sleep)
+				continue
+			}
+			if lastbytes == 0 {
+				lastbytes = bytesOut + bytesIn
+			}
+			bandwidth = (bytesOut + bytesIn - lastbytes) / (*interval)
+			lastbytes = bytesOut + bytesIn
+		}
+
+		url := fmt.Sprintf("https://%s:%d/cluster/report", *host, *port)
+		values := map[string]string{
+			"sys_conn_number":    strconv.Itoa(sysCount),
+			"tunnel_conn_number": strconv.Itoa(programCount),
+			"bandwidth":          fmt.Sprintf("%d", bandwidth),
+		}
+		body, code, err := utils.HttpPost(url, values, nil)
+		if err != nil {
+			fmt.Println(err)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		if code != 204 {
+			fmt.Println("ERR:", code, body)
+			time.Sleep(time.Second * sleep)
+			continue
+		}
+		fmt.Println("report ok ,", sysCount, programCount, bandwidth)
+		time.Sleep(time.Second * time.Duration(*interval))
+	}
+}