| // 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 ( |
| importer "./proto" |
| "bufio" |
| "bytes" |
| "crypto/tls" |
| "fmt" |
| "github.com/Shopify/sarama" |
| log "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" |
| "strconv" |
| "strings" |
| ) |
| |
| var REDFISH_ROOT = "/redfish/v1" |
| var CONTENT_TYPE = "application/json" |
| var EVENTS_MAP = map[string]string{ |
| "add": "ResourceAdded", |
| "rm": "ResourceRemoved", |
| "alert": "Alert", |
| "update": "Update"} |
| |
| var default_address string = "localhost:31085" |
| var default_port string = "8888" |
| var default_vendor string = "edgecore" |
| var default_freq uint64 = 180 |
| var attach_device_ip string = "" |
| var importerTopic = "importer" |
| var DataConsumer sarama.Consumer |
| |
| var cc importer.DeviceManagementClient |
| var ctx context.Context |
| var conn *grpc.ClientConn |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to register the device for data collection and frequency. |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func Attach(aip string, avendor string, afreq uint32) error { |
| fmt.Println("Received Attach\n") |
| var default_protocol string = "https" |
| deviceinfo := new(importer.DeviceInfo) |
| deviceinfo.IpAddress = aip |
| deviceinfo.Vendor = avendor |
| deviceinfo.Frequency = afreq |
| deviceinfo.Protocol = default_protocol |
| _, err := cc.SendDeviceInfo(ctx, deviceinfo) |
| |
| return err |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to change the frequency of data collection |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func UpdateFreq(ip_address string, wd uint32) error { |
| fmt.Println("Received Period\n") |
| freqinfo := new(importer.FreqInfo) |
| freqinfo.Frequency = wd |
| freqinfo.IpAddress = ip_address |
| _, err := cc.SetFrequency(ctx, freqinfo) |
| |
| return err |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to unsubscribe events |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func Subscribe(ip_address string, Giveneventlist []string) error { |
| fmt.Println("Received Subscribe\n") |
| giveneventlist := new(importer.GivenEventList) |
| giveneventlist.Events = Giveneventlist |
| giveneventlist.EventIpAddress = ip_address |
| _, err := cc.SubsrcribeGivenEvents(ctx, giveneventlist) |
| |
| return err |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to unsubscribe events |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func UnSubscribe(ip_address string, Giveneventlist []string) error { |
| fmt.Println("Received UnSubscribe\n") |
| giveneventlist := new(importer.GivenEventList) |
| giveneventlist.Events = Giveneventlist |
| giveneventlist.EventIpAddress = ip_address |
| _, err := cc.UnSubsrcribeGivenEvents(ctx, giveneventlist) |
| |
| return err |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to get the events supported by device |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func GetEventSupportList(vendor string) (error, []string) { |
| fmt.Println("Received GetEventSupportList\n") |
| vendorinfo := new(importer.VendorInfo) |
| vendorinfo.Vendor = vendor |
| var ret_msg *importer.EventList |
| ret_msg, err := cc.GetEventList(ctx, vendorinfo) |
| if err != nil { |
| return err, nil |
| } else { |
| return err, ret_msg.Events |
| } |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to get the current events subscribed by device |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func GetEventCurrentDeviceList(ip_address string) (error, []string) { |
| fmt.Println("Received GetEventCurrentDeviceList\n") |
| currentdeviceinfo := new(importer.Device) |
| currentdeviceinfo.IpAddress = ip_address |
| var ret_msg *importer.EventList |
| ret_msg, err := cc.GetCurrentEventList(ctx, currentdeviceinfo) |
| if err != nil { |
| return err, nil |
| } else { |
| return err, ret_msg.Events |
| } |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to get the current events subscribed by device |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func ClearCurrentDeviceEventList(ip_address string) error { |
| fmt.Println("Received ClearCurrentDeviceEventList\n") |
| currentdeviceinfo := new(importer.Device) |
| currentdeviceinfo.IpAddress = ip_address |
| _, err := cc.ClearCurrentEventList(ctx, currentdeviceinfo) |
| |
| return err |
| } |
| |
| /*///////////////////////////////////////////////////////////////////////*/ |
| // Allows user to get the current devices that are monitored |
| // |
| // |
| /*///////////////////////////////////////////////////////////////////////*/ |
| func GetCurrentDevices() (error, []string) { |
| fmt.Println("Testing GetCurrentDevices\n") |
| empty := new(importer.Empty) |
| var ret_msg *importer.DeviceList |
| ret_msg, err := cc.GetCurrentDevices(ctx, empty) |
| if err != nil { |
| return err, nil |
| } else { |
| return err, ret_msg.Ip |
| } |
| } |
| |
| func init() { |
| Formatter := new(log.TextFormatter) |
| Formatter.TimestampFormat = "02-01-2006 15:04:05" |
| Formatter.FullTimestamp = true |
| log.SetFormatter(Formatter) |
| } |
| |
| func topicListener(topic *string, master sarama.Consumer) { |
| log.Info("Starting topicListener for ", *topic) |
| consumer, err := master.ConsumePartition(*topic, 0, sarama.OffsetOldest) |
| if err != nil { |
| log.Error("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(): |
| log.Error("Consumer error: %s", err.Err) |
| case msg := <-consumer.Messages(): |
| log.Info("Got message on topic=[%s]: %s", *topic, string(msg.Value)) |
| case <-signals: |
| log.Warn("Interrupt is detected") |
| os.Exit(1) |
| } |
| } |
| }() |
| <-doneCh |
| } |
| |
| func kafkainit() { |
| cmd := exec.Command("/bin/sh", "kafka_ip.sh") |
| var kafkaIP string |
| var out bytes.Buffer |
| cmd.Stdout = &out |
| err := cmd.Run() |
| if err != nil { |
| log.Info(err) |
| os.Exit(1) |
| } |
| |
| kafkaIP = out.String() |
| kafkaIP = strings.TrimSuffix(kafkaIP, "\n") |
| kafkaIP = kafkaIP + ":9092" |
| fmt.Println("IP address of kafka-cord-0:", kafkaIP) |
| 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() { |
| http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true} |
| fmt.Println("Launching server...") |
| log.Info("kafkaInit starting") |
| kafkainit() |
| |
| ln, err := net.Listen("tcp", ":9999") |
| if err != nil { |
| fmt.Println("could not listen") |
| log.Fatal("did not listen: %v", err) |
| } |
| defer ln.Close() |
| |
| connS, err := ln.Accept() |
| if err != nil { |
| fmt.Println("Accept error") |
| log.Fatal("Accept error: %v", err) |
| } else { |
| |
| conn, err = grpc.Dial(default_address, grpc.WithInsecure()) |
| if err != nil { |
| fmt.Println("could not connect") |
| log.Fatal("did not connect: %v", err) |
| } |
| defer conn.Close() |
| |
| cc = importer.NewDeviceManagementClient(conn) |
| ctx = context.Background() |
| |
| loop := true |
| |
| for loop == true { |
| cmd, _ := bufio.NewReader(connS).ReadString('\n') |
| |
| cmd = strings.TrimSuffix(cmd, "\n") |
| s := strings.Split(cmd, ":") |
| newmessage := "cmd error!!" |
| cmd = s[0] |
| |
| switch string(cmd) { |
| |
| case "attach": |
| cmd_size := len(s) |
| var err error |
| var uafreq uint64 |
| if cmd_size == 5 { |
| aip := s[1] |
| aport := s[2] |
| avendor := s[3] |
| afreq := s[4] |
| uafreq, err = strconv.ParseUint(afreq, 10, 64) |
| |
| if err != nil { |
| fmt.Print("ParseUint error!!\n") |
| } |
| |
| attach_device_ip = aip + ":" + aport |
| |
| err = Attach(attach_device_ip, avendor, uint32(uafreq)) |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| fmt.Print("attach error!!\n") |
| newmessage = errStatus.Message() |
| |
| } else { |
| fmt.Print("attatch IP:\n", attach_device_ip) |
| newmessage = attach_device_ip |
| } |
| } else { |
| fmt.Print("Need IP addres,port,vendor,freqs !!\n") |
| newmessage = "Need IP address !!" |
| |
| } |
| |
| case "period": |
| cmd_size := len(s) |
| fmt.Print("cmd_size period %d", cmd_size) |
| if cmd_size == 4 { |
| fip := s[1] |
| fport := s[2] |
| pv := s[3] |
| fmt.Print("pv:", pv) |
| u, err := strconv.ParseUint(pv, 10, 64) |
| |
| if err != nil { |
| fmt.Print("ParseUint error!!\n") |
| } else { |
| wd := uint32(u) |
| ip_address := fip + ":" + fport |
| err = UpdateFreq(ip_address, wd) |
| |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("period error!!\n") |
| } else { |
| newmessage = strings.ToUpper(cmd) |
| } |
| } |
| } else { |
| fmt.Print("Need period value !!\n") |
| newmessage = "Need period value !!" |
| } |
| |
| case "sub", "unsub": |
| cmd_size := len(s) |
| fmt.Print("cmd is :", cmd, cmd_size) |
| if cmd_size > 6 || cmd_size < 0 { |
| fmt.Print("error event !!") |
| newmessage = "error event !!" |
| } else { |
| ip := s[1] |
| port := s[2] |
| ip_address := ip + ":" + port |
| var events_list []string |
| for i := 3; i < cmd_size; i++ { |
| if value, ok := EVENTS_MAP[s[i]]; ok { |
| events_list = append(events_list, value) |
| } else { |
| fmt.Println("key not found") |
| } |
| } |
| |
| if string(cmd) == "sub" { |
| err = Subscribe(ip_address, events_list) |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("sub error!!") |
| } else { |
| newmessage = strings.ToUpper(cmd) |
| } |
| } else { |
| err = UnSubscribe(ip_address, events_list) |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("unsub error!!") |
| } else { |
| newmessage = strings.ToUpper(cmd) |
| } |
| } |
| } |
| |
| case "showeventlist": |
| cmd_size := len(s) |
| fmt.Print("cmd is :", cmd, cmd_size) |
| if cmd_size > 3 || cmd_size < 0 { |
| fmt.Print("error event !!") |
| newmessage = "error event !!" |
| } else { |
| vendor := s[1] |
| err, supportlist := GetEventSupportList(vendor) |
| |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("showeventlist error!!") |
| } else { |
| fmt.Print("showeventlist ", supportlist) |
| newmessage = strings.Join(supportlist[:], ",") |
| } |
| } |
| |
| case "showdeviceeventlist": |
| cmd_size := len(s) |
| fmt.Print("cmd is :", cmd, cmd_size) |
| if cmd_size > 4 || cmd_size < 0 { |
| fmt.Print("error event !!") |
| newmessage = "error event !!" |
| } else { |
| eip := s[1] |
| eport := s[2] |
| ip_address := eip + ":" + eport |
| err, currentlist := GetEventCurrentDeviceList(ip_address) |
| |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("showdeviceeventlist error!!") |
| } else { |
| fmt.Print("showeventlist ", currentlist) |
| newmessage = strings.Join(currentlist[:], ",") |
| } |
| } |
| |
| case "cleardeviceeventlist": |
| cmd_size := len(s) |
| fmt.Print("cmd is :", cmd, cmd_size) |
| if cmd_size > 4 || cmd_size < 0 { |
| fmt.Print("error event !!") |
| newmessage = "error event !!" |
| } else { |
| clip := s[1] |
| clport := s[2] |
| ip_address := clip + ":" + clport |
| err = ClearCurrentDeviceEventList(ip_address) |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("cleardeviceeventlist error!!") |
| } else { |
| newmessage = strings.ToUpper(cmd) |
| } |
| } |
| |
| case "showdevices": |
| cmd_size := len(s) |
| fmt.Print("cmd is :", cmd, cmd_size) |
| if cmd_size > 2 || cmd_size < 0 { |
| fmt.Print("error event !!") |
| newmessage = "error event !!" |
| } else { |
| err, currentlist := GetCurrentDevices() |
| |
| if err != nil { |
| errStatus, _ := status.FromError(err) |
| fmt.Println(errStatus.Message()) |
| fmt.Println(errStatus.Code()) |
| newmessage = errStatus.Message() |
| fmt.Print("showdevices error!!") |
| } else { |
| fmt.Print("showdevices ", currentlist) |
| newmessage = strings.Join(currentlist[:], ", ") |
| } |
| } |
| case "QUIT": |
| loop = false |
| newmessage = "QUIT" |
| |
| default: |
| } |
| // send string back to client |
| connS.Write([]byte(newmessage + "\n")) |
| } |
| } |
| } |