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// Copyright 2018 Open Networking Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"bufio"
"bytes"
"crypto/tls"
"fmt"
"github.com/Shopify/sarama"
"github.com/opencord/device-management/demo_test/proto"
logrus "github.com/sirupsen/logrus"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/status"
"net"
"net/http"
"os"
"os/exec"
"os/signal"
"sort"
"strconv"
"strings"
)
var EVENTS_MAP = map[string]string{
"add": "ResourceAdded",
"rm": "ResourceRemoved",
"alert": "Alert",
"update": "Update"}
var importerTopic = "importer"
var DataConsumer sarama.Consumer
var cc importer.DeviceManagementClient
var ctx context.Context
var conn *grpc.ClientConn
func GetCurrentDevices() (error, []string) {
logrus.Info("Testing GetCurrentDevices")
empty := new(importer.Empty)
var ret_msg *importer.DeviceListByIp
ret_msg, err := cc.GetCurrentDevices(ctx, empty)
if err != nil {
return err, nil
} else {
return err, ret_msg.Ip
}
}
func init() {
Formatter := new(logrus.TextFormatter)
Formatter.TimestampFormat = "02-01-2006 15:04:05"
Formatter.FullTimestamp = true
logrus.SetFormatter(Formatter)
}
func topicListener(topic *string, master sarama.Consumer) {
logrus.Info("Starting topicListener for ", *topic)
consumer, err := master.ConsumePartition(*topic, 0, sarama.OffsetOldest)
if err != nil {
logrus.Errorf("topicListener panic, topic=[%s]: %s", *topic, err.Error())
os.Exit(1)
}
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt)
doneCh := make(chan struct{})
go func() {
for {
select {
case err := <-consumer.Errors():
logrus.Errorf("Consumer error: %s", err.Err)
case msg := <-consumer.Messages():
logrus.Infof("Got message on topic=[%s]: %s", *topic, string(msg.Value))
case <-signals:
logrus.Warn("Interrupt is detected")
os.Exit(1)
}
}
}()
<-doneCh
}
func kafkainit() {
var kafkaIP string
if GlobalConfig.Kafka == "kafka_ip.sh" {
cmd := exec.Command("/bin/sh", "kafka_ip.sh")
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
logrus.Info(err)
os.Exit(1)
}
kafkaIP = out.String()
kafkaIP = strings.TrimSuffix(kafkaIP, "\n")
kafkaIP = kafkaIP + ":9092"
logrus.Infof("IP address of kafka-cord-0:%s", kafkaIP)
} else {
kafkaIP = GlobalConfig.Kafka
}
config := sarama.NewConfig()
config.Consumer.Return.Errors = true
master, err := sarama.NewConsumer([]string{kafkaIP}, config)
if err != nil {
panic(err)
}
DataConsumer = master
go topicListener(&importerTopic, master)
}
func main() {
ParseCommandLine()
ProcessGlobalOptions()
ShowGlobalOptions()
http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
logrus.Info("Launching server...")
logrus.Info("kafkaInit starting")
kafkainit()
ln, err := net.Listen("tcp", GlobalConfig.Local)
if err != nil {
fmt.Println("could not listen")
logrus.Fatalf("did not listen: %v", err)
}
defer ln.Close()
conn, err = grpc.Dial(GlobalConfig.Importer, grpc.WithInsecure())
if err != nil {
logrus.Fatalf("did not connect: %v", err)
}
defer conn.Close()
cc = importer.NewDeviceManagementClient(conn)
ctx = context.Background()
loop := true
for loop {
connS, err := ln.Accept()
if err != nil {
logrus.Fatalf("Accept error: %v", err)
}
cmdstr, _ := bufio.NewReader(connS).ReadString('\n')
cmdstr = strings.TrimSuffix(cmdstr, "\n")
s := strings.Split(cmdstr, " ")
newmessage := ""
cmd := string(s[0])
switch cmd {
case "attach":
if len(s) < 2 {
newmessage = newmessage + "invalid command length" + cmdstr + "\n"
break
}
var devicelist importer.DeviceList
var ipattached []string
for _, devinfo := range s[1:] {
info := strings.Split(devinfo, ":")
if len(info) != 3 {
newmessage = newmessage + "invalid command " + devinfo + "\n"
continue
}
deviceinfo := new(importer.DeviceInfo)
deviceinfo.IpAddress = info[0] + ":" + info[1]
freq, err := strconv.ParseUint(info[2], 10, 32)
if err != nil {
newmessage = newmessage + "invalid command " + devinfo + "\n"
continue
}
deviceinfo.Frequency = uint32(freq)
devicelist.Device = append(devicelist.Device, deviceinfo)
ipattached = append(ipattached, deviceinfo.IpAddress)
}
if len(devicelist.Device) == 0 {
break
}
_, err := cc.SendDeviceList(ctx, &devicelist)
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = newmessage + errStatus.Message()
logrus.Errorf("attach error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
sort.Strings(ipattached)
ips := strings.Join(ipattached, " ")
newmessage = newmessage + ips + " attached\n"
}
case "delete":
if len(s) < 2 {
newmessage = newmessage + "invalid command " + cmdstr + "\n"
break
}
var devicelist importer.DeviceListByIp
for _, ip := range s[1:] {
addr := strings.Split(ip, ":")
if len(addr) != 2 {
newmessage = newmessage + "invalid address " + ip + "\n"
continue
}
devicelist.Ip = append(devicelist.Ip, ip)
}
if len(devicelist.Ip) == 0 {
break
}
_, err := cc.DeleteDeviceList(ctx, &devicelist)
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = newmessage + errStatus.Message()
logrus.Errorf("delete error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
sort.Strings(devicelist.Ip)
ips := strings.Join(devicelist.Ip, " ")
newmessage = newmessage + ips + " deleted\n"
}
case "period":
if len(s) != 2 {
newmessage = newmessage + "invalid command " + cmdstr + "\n"
break
}
args := strings.Split(s[1], ":")
if len(args) != 3 {
newmessage = newmessage + "invalid command " + s[1] + "\n"
break
}
ip := args[0] + ":" + args[1]
pv := args[2]
u, err := strconv.ParseUint(pv, 10, 64)
if err != nil {
logrus.Error("ParseUint error!!\n")
} else {
freqinfo := new(importer.FreqInfo)
freqinfo.Frequency = uint32(u)
freqinfo.IpAddress = ip
_, err := cc.SetFrequency(ctx, freqinfo)
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = newmessage + errStatus.Message()
logrus.Errorf("period error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
newmessage = newmessage + "data collection interval configured to " + pv + " seconds\n"
}
}
case "sub", "unsub":
if len(s) != 2 {
newmessage = newmessage + "invalid command " + cmdstr + "\n"
break
}
args := strings.Split(s[1], ":")
if len(args) < 3 {
newmessage = newmessage + "invalid command " + s[1] + "\n"
break
}
giveneventlist := new(importer.GivenEventList)
giveneventlist.EventIpAddress = args[0] + ":" + args[1]
for _, event := range args[2:] {
if value, ok := EVENTS_MAP[event]; ok {
giveneventlist.Events = append(giveneventlist.Events, value)
}
}
if len(giveneventlist.Events) == 0 {
newmessage = newmessage + "No valid event was given\n"
}
var err error
if cmd == "sub" {
_, err = cc.SubscribeGivenEvents(ctx, giveneventlist)
} else {
_, err = cc.UnsubscribeGivenEvents(ctx, giveneventlist)
}
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = newmessage + errStatus.Message()
logrus.Errorf("Un/subscribe error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
newmessage = newmessage + cmd + " successful\n"
}
case "showeventlist":
if len(s) != 2 {
newmessage = newmessage + "invalid command " + cmdstr + "\n"
break
}
currentdeviceinfo := new(importer.Device)
currentdeviceinfo.IpAddress = s[1]
ret_msg, err := cc.GetEventList(ctx, currentdeviceinfo)
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = errStatus.Message()
logrus.Errorf("showeventlist error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
fmt.Print("showeventlist ", ret_msg.Events)
sort.Strings(ret_msg.Events[:])
newmessage = strings.Join(ret_msg.Events[:], " ")
newmessage = newmessage + "\n"
}
case "showdeviceeventlist":
if len(s) != 2 {
newmessage = newmessage + "invalid command " + s[1] + "\n"
break
}
currentdeviceinfo := new(importer.Device)
currentdeviceinfo.IpAddress = s[1]
ret_msg, err := cc.GetCurrentEventList(ctx, currentdeviceinfo)
if err != nil {
errStatus, _ := status.FromError(err)
logrus.Errorf("showdeviceeventlist error - status code %v message %v", errStatus.Code(), errStatus.Message())
newmessage = newmessage + errStatus.Message()
} else {
fmt.Print("showdeviceeventlist ", ret_msg.Events)
sort.Strings(ret_msg.Events[:])
newmessage = strings.Join(ret_msg.Events[:], " ")
newmessage = newmessage + "\n"
}
case "cleardeviceeventlist":
if len(s) != 2 {
newmessage = newmessage + "invalid command " + s[1] + "\n"
break
}
currentdeviceinfo := new(importer.Device)
currentdeviceinfo.IpAddress = s[1]
_, err := cc.ClearCurrentEventList(ctx, currentdeviceinfo)
if err != nil {
errStatus, _ := status.FromError(err)
newmessage = newmessage + errStatus.Message()
logrus.Errorf("cleardeviceeventlist error - status code %v message %v", errStatus.Code(), errStatus.Message())
} else {
newmessage = newmessage + currentdeviceinfo.IpAddress + " events cleared\n"
}
case "QUIT":
loop = false
newmessage = "QUIT"
case "showdevices":
cmd_size := len(s)
logrus.Infof("cmd is : %s cmd_size: %d", cmd, cmd_size)
if cmd_size > 2 || cmd_size < 0 {
logrus.Error("error event showdevices !!")
newmessage = "error event !!"
} else {
err, currentlist := GetCurrentDevices()
if err != nil {
errStatus, _ := status.FromError(err)
logrus.Errorf("GetCurrentDevice error: %s Status code: %d", errStatus.Message(), errStatus.Code())
newmessage = errStatus.Message()
fmt.Print("showdevices error!!")
} else {
fmt.Print("showdevices ", currentlist)
sort.Strings(currentlist[:])
newmessage = strings.Join(currentlist[:], " ")
newmessage = newmessage + "\n"
}
}
default:
newmessage = newmessage + "invalid command " + cmdstr + "\n"
}
// send string back to client
n, err := connS.Write([]byte(newmessage + ";"))
if err != nil {
logrus.Errorf("err writing to client:%s, n:%d", err, n)
return
}
}
}