commit 2021-11-16]21:28:48

README.md

@@ -0,0 +1,109 @@
+# 디바이스 공통 정보
+
+- 디바이스 이름 / 관리 서비스 이름 / prompt 
+
+
+
+# 컨트롤러 및 등록
+
+
+
+# 디바이스 탐색 및 등록
+
+- Procedure
+
+> ![image-20211115105354958](.README.assets/image-20211115105354958.png)
+
+- Device -> Controller
+
+  ```json
+  {
+      "dname": "thermometer",
+      "type": "sensor", 
+  	"sname": "devicemanagerA",
+      "cid": 
+  }
+  ```
+
+- controller -> server
+
+  ```json
+  {
+      "name": "temp",
+      "type": "sensor", 
+      "did": "temp-1",
+      "cid": "controller-1",
+  	"sid": "devicemanagerA"    
+  }
+  ```
+
+- client -> server
+
+  ```json
+  {
+      "did": "thermometer-1"
+  }
+  ```
+
+
+
+# API
+
+- get-services
+
+  - `http://{{server}}/services`
+
+- post-services
+
+  - `http://{{server}}/services`
+
+    ```json
+    {
+        "name": "devicemanagera"
+    }
+    ```
+
+- post-controller
+
+  - `http://{{server}}/controllers`
+
+    ```json
+    {
+        "cname": "controller-A"
+    }
+    ```
+
+- get-controller
+
+  - `http://{{server}}/controllers`
+
+- post-devices
+
+  - `http://{{server}}/devices`
+
+    ```json
+    {
+        "dname": "device-A",
+        "type": "sensor",
+        "cid": "e09c50b3-40d1-4267-888e-272d6a7d4845",
+        "sname": "devicemanagerb"
+    }
+    ```
+
+- get-devices
+
+  - `http://{{server}}/devices`
+
+- put-devices
+
+  - `http://{{server}}/services`
+
+    ```json
+    {
+        "name": "devicemanagerA",
+        "addr": "127.0.1.1:3001"
+    }
+    ```
+
+    
+

bootstrap/cli.go

@@ -0,0 +1,66 @@
+package bootstrap
+
+import (
+	"bytes"
+	"log"
+	gonet "net"
+
+	"github.com/plgd-dev/go-coap/v2/message"
+	"github.com/plgd-dev/go-coap/v2/message/codes"
+	"github.com/plgd-dev/go-coap/v2/mux"
+	"github.com/plgd-dev/go-coap/v2/net"
+	"github.com/plgd-dev/go-coap/v2/udp"
+)
+
+func handleMcast(w mux.ResponseWriter, r *mux.Message) {
+	path, err := r.Options.Path()
+	if err != nil {
+		log.Printf("cannot get path: %v", err)
+		return
+	}
+
+	log.Printf("Got mcast message: path=%q: from %v", path, w.Client().RemoteAddr())
+	w.SetResponse(codes.Content, message.TextPlain, bytes.NewReader([]byte("mcast response")))
+}
+
+func RunBootstrapServer() {
+	m := mux.NewRouter()
+	m.Handle("/bs", mux.HandlerFunc(handleMcast))
+	multicastAddr := "224.0.1.187:5683"
+
+	l, err := net.NewListenUDP("udp4", multicastAddr)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	ifaces, err := gonet.Interfaces()
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	a, err := gonet.ResolveUDPAddr("udp", multicastAddr)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	for _, iface := range ifaces {
+		err := l.JoinGroup(&iface, a)
+		if err != nil {
+			log.Printf("cannot JoinGroup(%v, %v): %v", iface, a, err)
+		}
+	}
+
+	err = l.SetMulticastLoopback(true)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	defer l.Close()
+	s := udp.NewServer(udp.WithMux(m))
+	defer s.Stop()
+	log.Fatal(s.Serve(l))
+}

config.properties

@@ -0,0 +1 @@
+BootstrapAddr = 224.0.1.185:5684

containermgmt/manager.go

@@ -1,42 +1,19 @@
-package containermgnt
+package containermgmt
 
 import (
-	"context"
-	"encoding/json"
 	"fmt"
 	"log"
 	"os/exec"
 	"strings"
 )
 
-type Container struct {
+// type Container struct {
-	Image string `json:"image"`
+// 	ID   string `json:"image"`
-	Name  string `json:"name"`
+// 	Name string `json:"name"`
-}
+// 	Addr string `json:addr`
-
+// }
-type ContainerReturnKey struct{}
-
-var ReturnKey = ContainerReturnKey{}
-
-func CreateContainer(ctx context.Context, cont *Container) context.Context {
-
-	fmt.Println("container : ", *cont)
-	args := strings.Split(fmt.Sprintf("container\\run\\-d\\--name\\%s\\%s", cont.Name, cont.Image), "\\")
-	fmt.Println(args)
-	bout, err := exec.Command("docker", args...).Output()
-	if err != nil {
-		log.Fatalln(err)
-	}
-
-	ctx = context.WithValue(ctx, ReturnKey, bout)
-
-	return ctx
-}
-
-func GetContainers(ctx context.Context) context.Context {
-	// cmd := exec.Command("firefox")
-	// err := cmd.Run()
 
+func IsExist(name string) bool {
 	cmd := strings.Split("container\\ls\\--format\\'{{.Image}} {{.Names}}'\\-a", "\\")
 	bout, err := exec.Command("docker", cmd...).Output()
 	if err != nil {
@@ -45,7 +22,6 @@ func GetContainers(ctx context.Context) context.Context {
 
 	sout := strings.Split(string(bout), "\n")
 
-	var list []Container
 	for _, e := range sout {
 		l := strings.Split(e, " ")
 
@@ -53,22 +29,25 @@ func GetContainers(ctx context.Context) context.Context {
 			continue
 		}
 
-		container := Container{
+		if name == l[0] {
-			Image: l[0],
+			return true
-			Name:  l[1],
+		}
 	}
 
-		list = append(list, container)
+	return false
-	}
+}
-
+
-	b, err := json.Marshal(list)
+func CreateContainer(name string) error {
-	if err != nil {
+
-		log.Fatalln("JSON Marshal error!!")
+	if IsExist(name) {
-	}
+		return nil
-
+	}
-	fmt.Println(string(b))
+	args := strings.Split(fmt.Sprintf("container\\run\\-d\\%s", name), "\\")
-
+	fmt.Println(args)
-	ctx = context.WithValue(ctx, ReturnKey, b)
+	_, err := exec.Command("docker", args...).Output()
-
+	if err != nil {
-	return ctx
+		return err
+	}
+
+	return nil
 }

containers/devicemanagera/Dockerfile

@@ -0,0 +1,25 @@
+# build app
+FROM golang:alpine AS gobuild
+RUN apk update && \
+    apk add ca-certificates gcc git make musl-dev
+RUN mkdir /home/build
+COPY . /home/build
+WORKDIR /home/build
+RUN go mod tidy && go build -o devicemanager
+
+FROM alpine:latest
+ARG PUID=2000
+ARG PGID=2000
+
+# Run App
+RUN addgroup -g ${PGID} devicemanager && \
+    adduser -H -D -u ${PUID} -G devicemanager devicemanager
+
+WORKDIR /opt/devicemanager
+
+COPY --from=gobuild /home/build/devicemanager devicemanager
+RUN chown -R ${PUID}:${PGID} /opt/devicemanager
+
+USER devicemanager
+
+CMD ["/opt/devicemanager/devicemanager"]

containers/devicemanagera/go.mod

@@ -0,0 +1,3 @@
+module devicemanagera
+
+go 1.17

containers/devicemanagera/main.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"bytes"
+	"devicemanagera/router"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"os"
+	"strings"
+)
+
+var server_addr string
+
+func getIP() string {
+	host, _ := os.Hostname()
+	addrs, _ := net.LookupIP(host)
+
+	return addrs[0].String()
+}
+func registerToServer() {
+	var exist bool
+	server_addr, exist = os.LookupEnv("SERVER_ADDR")
+	if !exist {
+		fmt.Println("Please set SERVER_ADDR as environment variable")
+	}
+
+	ip := getIP()
+	idx := strings.LastIndex(ip, ".")
+	serverAddr := ip[:idx+1] + "1"
+	fmt.Println(serverAddr)
+
+	var obj map[string]string = make(map[string]string)
+	obj["name"] = "devicemanagera"
+	obj["addr"] = getIP() + ":3000"
+
+	b, err := json.Marshal(obj)
+	if err != nil {
+		panic(err)
+	}
+
+	req, err := http.NewRequest("PUT", "http://"+serverAddr+":3000/services", bytes.NewBuffer(b))
+	if err != nil {
+		panic(err)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		panic(err)
+	}
+
+	b, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(b))
+	// http.Post("")
+}
+
+func main() {
+	registerToServer()
+	err := http.ListenAndServe(":3000", router.NewRouter())
+	if err != nil {
+		panic(err)
+	}
+}

containers/devicemanagera/router/route.go

@@ -0,0 +1,15 @@
+package router
+
+import (
+	"net/http"
+)
+
+func NewRouter() http.Handler {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("I am devicemanagerA"))
+	})
+
+	return mux
+}

containers/devicemanagerb/Dockerfile

@@ -0,0 +1,25 @@
+# build app
+FROM golang:alpine AS gobuild
+RUN apk update && \
+    apk add ca-certificates gcc git make musl-dev
+RUN mkdir /home/build
+COPY . /home/build
+WORKDIR /home/build
+RUN go mod tidy && go build -o devicemanager
+
+FROM alpine:latest
+ARG PUID=2000
+ARG PGID=2000
+
+# Run App
+RUN addgroup -g ${PGID} devicemanager && \
+    adduser -H -D -u ${PUID} -G devicemanager devicemanager
+
+WORKDIR /opt/devicemanager
+
+COPY --from=gobuild /home/build/devicemanager devicemanager
+RUN chown -R ${PUID}:${PGID} /opt/devicemanager
+
+USER devicemanager
+
+CMD ["/opt/devicemanager/devicemanager"]

containers/devicemanagerb/go.mod

@@ -0,0 +1,3 @@
+module devicemanagerb
+
+go 1.17

containers/devicemanagerb/main.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"bytes"
+	"devicemanagerb/router"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"os"
+	"strings"
+)
+
+var server_addr string
+
+func getIP() string {
+	host, _ := os.Hostname()
+	addrs, _ := net.LookupIP(host)
+
+	return addrs[0].String()
+}
+func registerToServer() {
+	var exist bool
+	server_addr, exist = os.LookupEnv("SERVER_ADDR")
+	if !exist {
+		fmt.Println("Please set SERVER_ADDR as environment variable")
+	}
+
+	ip := getIP()
+	idx := strings.LastIndex(ip, ".")
+	serverAddr := ip[:idx+1] + "1"
+	fmt.Println(serverAddr)
+
+	var obj map[string]string = make(map[string]string)
+	obj["name"] = "devicemanagerb"
+	obj["addr"] = getIP() + ":3000"
+
+	b, err := json.Marshal(obj)
+	if err != nil {
+		panic(err)
+	}
+
+	req, err := http.NewRequest("PUT", "http://"+serverAddr+":3000/services", bytes.NewBuffer(b))
+	if err != nil {
+		panic(err)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		panic(err)
+	}
+
+	b, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(b))
+	// http.Post("")
+}
+
+func main() {
+	registerToServer()
+	err := http.ListenAndServe(":3000", router.NewRouter())
+	if err != nil {
+		panic(err)
+	}
+}

containers/devicemanagerb/router/route.go

@@ -0,0 +1,15 @@
+package router
+
+import (
+	"net/http"
+)
+
+func NewRouter() http.Handler {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("I am devicemanagerB"))
+	})
+
+	return mux
+}

containers/docker-compose.yaml

@@ -0,0 +1,21 @@
+version: '3.8'
+
+services:
+  devicemanagera:
+    build: ./devicemanagera
+    networks:
+      - container-net
+    image: devicemanagera
+    hostname: devicemanagera
+
+  devicemanagerb:
+    build: ./devicemanagerb
+    networks:
+      - container-net
+    image: devicemanagerb
+    hostname: devicemanagerb
+    volumes:
+      - ./volumes:/home/build
+
+networks:
+  container-net: null

docker-compose.yaml

@@ -0,0 +1,18 @@
+version: "3.8"
+
+services:
+  db:
+    image: postgres:14-alpine
+    restart: unless-stopped
+    # security_opt:
+    #   - no-new-privileges:true
+    pids_limit: 100
+    ports:
+      - 5432:5432
+    volumes:
+      # - ./db/data-14:/var/lib/postgresql/data
+      - /etc/localtime:/etc/localtime:ro
+    environment:
+      - POSTGRES_USER=user
+      - POSTGRES_PASSWORD=user_password
+      - POSTGRES_DB=godopudb

go.mod

@@ -3,12 +3,41 @@ module etrismartfarmpoc
 go 1.17
 
 require (
+	github.com/google/uuid v1.3.0
 	github.com/gorilla/mux v1.8.0
-	github.com/unrolled/render v1.4.0
+	github.com/gorilla/websocket v1.4.2
+	github.com/plgd-dev/go-coap/v2 v2.4.0
 	github.com/urfave/negroni v1.0.0
+	gorm.io/driver/postgres v1.2.2
+	gorm.io/driver/sqlite v1.2.4
+	gorm.io/gorm v1.22.2
 )
 
 require (
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	golang.org/x/sys v0.0.0-20210525143221-35b2ab0089ea // indirect
+	github.com/jackc/pgconn v1.10.0 // indirect
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.1.1 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.8.1 // indirect
+	github.com/jackc/pgx/v4 v4.13.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.2 // indirect
+	github.com/mattn/go-sqlite3 v1.14.9 // indirect
+	golang.org/x/text v0.3.7 // indirect
+)
+
+require (
+	github.com/dsnet/golib/memfile v0.0.0-20200723050859-c110804dfa93 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
+	github.com/pion/dtls/v2 v2.0.1-0.20200503085337-8e86b3a7d585 // indirect
+	github.com/pion/logging v0.2.2 // indirect
+	github.com/pion/transport v0.10.0 // indirect
+	github.com/plgd-dev/kit v0.0.0-20200819113605-d5fcf3e94f63 // indirect
+	go.uber.org/atomic v1.6.0 // indirect
+	golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
+	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 )

go.sum

@@ -1,11 +1,332 @@
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
+github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
+github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dsnet/golib/memfile v0.0.0-20190531212259-571cdbcff553/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
+github.com/dsnet/golib/memfile v0.0.0-20200723050859-c110804dfa93 h1:I48YLRgQEeWsjF7LmNcl62vTHSUfUfEVe3I1oHXiS5o=
+github.com/dsnet/golib/memfile v0.0.0-20200723050859-c110804dfa93/go.mod h1:tXGNW9q3RwvWt1VV2qrRKlSSz0npnh12yftCSCy2T64=
+github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/fxamacker/cbor/v2 v2.2.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
+github.com/go-acme/lego v2.7.2+incompatible/go.mod h1:yzMNe9CasVUhkquNvti5nAtPmG94USbYxYrZfTkIn0M=
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main.go

@@ -6,6 +6,14 @@ import (
 )
 
 func main() {
-	http.ListenAndServe(":3000", router.NewRouter())
+	err := http.ListenAndServe(":3000", router.NewRouter())
-	// fmt.Println(string(out))
+	if err != nil {
+		panic(err)
+	}
+
+	// fmt.Scanln()
+
+	// fmt.Println(uuid.New())
+	// bootstrap.RunBootstrapServer()
+
 }

model/controller.go

@@ -0,0 +1,64 @@
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Controller struct {
+	gorm.Model
+	CID   string `gorm:"uniqueIndex;column:cid" json:"cid"` // Controller ID
+	CName string `gorm:"column:cname" json:"cname"`         // Device ID
+	Key   string `gorm:"column:key" json:"key"`             // Service ID
+}
+
+func (s *dbHandler) AddController(r io.Reader) (*Controller, error) {
+	decoder := json.NewDecoder(r)
+	var controller = &Controller{}
+
+	err := decoder.Decode(controller)
+	if err != nil {
+		return nil, err
+	}
+
+	controller.CID = uuid.NewString()
+	controller.Key = controller.CID
+
+	tx := s.db.Create(controller)
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	tx.First(&controller, "cid=?", controller.CID)
+	fmt.Println(controller)
+	return controller, nil
+}
+
+func (s *dbHandler) GetControllers() ([]*Controller, error) {
+	var list []*Controller
+
+	result := s.db.Find(&list)
+
+	if result.Error != nil {
+		return nil, result.Error
+	}
+
+	return list, nil
+}
+
+func (s *dbHandler) IsExistController(cid string) bool {
+	var controller = Controller{}
+
+	result := s.db.First(&controller, "cid=?", cid)
+
+	if result.Error != nil {
+		fmt.Println(result.Error)
+		return false
+	}
+
+	return true
+}

model/device.go

@@ -0,0 +1,43 @@
+package model
+
+import (
+	"gorm.io/gorm"
+)
+
+type Device struct {
+	gorm.Model
+	DID   string `gorm:"uniqueIndex;column:did" json:"did"` // Device ID
+	DName string `gorm:"column:dname" json:"dname"`         // Device Name
+	Type  string `gorm:"column:type" json:"type"`           // Device Type
+	CID   string `gorm:"column:cid" json:"cid"`             // Controller ID
+	SID   string `gorm:"column:sid" json:"sid"`             // Service ID
+	SName string `gorm:"column:sname" json:"sname"`         // Service Name
+	// Opts []string
+}
+
+func (s *dbHandler) GetDevices() ([]*Device, int, error) {
+	var devices []*Device
+
+	result := s.db.Find(&devices)
+
+	if result.Error != nil {
+		return nil, -1, result.Error
+	}
+	return devices, int(result.RowsAffected), nil
+}
+
+// func (s *dbHandler) GetDevice() *Device {
+// 	device := &Device{}
+// }
+
+func (s *dbHandler) AddDevice(device *Device) error {
+
+	tx := s.db.Create(device)
+	if tx.Error != nil {
+		return tx.Error
+	}
+
+	tx.First(device, "did=?", device.DID)
+	return nil
+
+}

model/handler.go

@@ -0,0 +1,38 @@
+package model
+
+import (
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+type dbHandler struct {
+	db *gorm.DB
+}
+
+func newSqliteHandler(path string) (DBHandler, error) {
+	db, err := gorm.Open(sqlite.Open(path), &gorm.Config{})
+	if err != nil {
+		return nil, err
+	}
+
+	db.AutoMigrate(&Device{})
+	db.AutoMigrate(&Controller{})
+	db.AutoMigrate(&Service{})
+
+	return &dbHandler{db}, nil
+}
+
+func newPostgresqlHandler(path string) (DBHandler, error) {
+	dsn := "host=localhost user=user password=user_password dbname=godopudb port=5432 sslmode=disable TimeZone=Asia/Seoul"
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		return nil, err
+	}
+
+	db.AutoMigrate(&Device{})
+	db.AutoMigrate(&Controller{})
+	db.AutoMigrate(&Service{})
+
+	return &dbHandler{db}, nil
+}

model/interface.go

@@ -0,0 +1,31 @@
+package model
+
+import (
+	"io"
+)
+
+// func newDBHandler(dbtype, path string) (*gorm.DB, error) {
+// 	if dbtype == "sqlite" {
+// 		return gorm.Open(sqlite.Open("./test.db"), &gorm.Config{})
+// 	} else {
+// 		dsn := "host=localhost user=user password=user_password dbname=godopudb port=5432 sslmode=disable TimeZone=Asia/Seoul"
+// 		return gorm.Open(postgres.Open(dsn), &gorm.Config{})
+// 	}
+// }
+
+type DBHandler interface {
+	GetDevices() ([]*Device, int, error)
+	AddDevice(d *Device) error
+	AddController(r io.Reader) (*Controller, error)
+	GetControllers() ([]*Controller, error)
+	IsExistController(cid string) bool
+	GetServices() ([]*Service, error)
+	AddService(name string) error
+	UpdateService(name, addr string) (*Service, error)
+	GetAddr(sid string) (string, error)
+}
+
+func NewDBHandler(dbtype, path string) (DBHandler, error) {
+	// return newSqliteHandler(path)
+	return newPostgresqlHandler(path)
+}

model/service.go

@@ -0,0 +1,76 @@
+package model
+
+import (
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+type Service struct {
+	gorm.Model
+	SName     string `gorm:"column:sname" json:"sname"`
+	SID       string `gorm:"column:sid" json:"sid"`
+	NumOfDevs int    `gorm:"column:ndevs" json:"ndevs"`
+	Addr      string `gorm:"column:addr"`
+}
+
+func (s *dbHandler) GetServices() ([]*Service, error) {
+	var services []*Service
+
+	result := s.db.Find(&services)
+
+	if result.Error != nil {
+		return nil, result.Error
+	}
+
+	// var devices []*Device
+	for _, service := range services {
+		tx := s.db.Where("sname=?", service.SName).Find(&[]*Device{})
+		if tx.Error == gorm.ErrRecordNotFound {
+			service.NumOfDevs = 0
+		} else if tx.Error != nil {
+			return nil, tx.Error
+		} else {
+			service.NumOfDevs = int(tx.RowsAffected)
+		}
+	}
+	return services, nil
+}
+
+func (s *dbHandler) AddService(name string) error {
+	result := s.db.First(&Service{}, "sname=?", name)
+	if result.Error != nil {
+		if result.Error == gorm.ErrRecordNotFound {
+			tx := s.db.Create(&Service{SName: name})
+			if tx.Error != nil {
+				return tx.Error
+			}
+		}
+
+		return result.Error
+	}
+
+	return nil
+}
+
+func (s *dbHandler) UpdateService(name, addr string) (*Service, error) {
+	tx := s.db.Model(&Service{}).Where("sname = ?", name).Updates(Service{SName: name, SID: uuid.NewString(), Addr: addr})
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	var service Service
+	tx.First(&service, "sname=?", name)
+	return &service, nil
+}
+
+func (s *dbHandler) GetAddr(sid string) (string, error) {
+	var service Service
+
+	result := s.db.First(&service, "sid=?", sid)
+
+	if result.Error != nil {
+		return "", result.Error
+	}
+
+	return service.Addr, nil
+}

router/route.go

@@ -1,56 +1,417 @@
 package router
 
 import (
-	"bytes"
-	"context"
 	"encoding/json"
-	containermgnt "etrismartfarmpoc/containermgmt"
+	"etrismartfarmpoc/containermgmt"
+	"etrismartfarmpoc/model"
 	"fmt"
+	"io"
+	"log"
 	"net/http"
+	"strings"
+	"sync"
+	"time"
 
+	"github.com/google/uuid"
 	"github.com/gorilla/mux"
+	"github.com/gorilla/websocket"
 	"github.com/urfave/negroni"
 )
 
-// var rd *render.Render = render.New()
+type Notification struct {
+	Msg string `json:msg`
+}
 
+var db model.DBHandler
+
+func init() {
+	var err error
+	db, err = model.NewDBHandler("postgres", "dump.db")
+	if err != nil {
+		panic(err)
+	}
+}
+
+// var rd *render.Render = render.New()
 func NewRouter() http.Handler {
 	mux := mux.NewRouter()
+	mux.HandleFunc("/noti", GetNotification).Methods("GET")
+	mux.HandleFunc("/controllers", GetControllerList).Methods("GET")
+	mux.HandleFunc("/controllers", PostController).Methods("POST")
+	mux.HandleFunc("/services", GetServices).Methods("GET")
+	mux.HandleFunc("/services", PostService).Methods("POST")
+	mux.HandleFunc("/services", PutServices).Methods("PUT")
+	mux.HandleFunc("/devices", PostDevice).Methods("POST")
+	mux.HandleFunc("/devices", GetDevices).Methods("GET")
+	mux.HandleFunc("/devices", PutDevice).Methods("PUT", "OPTIONS")
+	mux.HandleFunc("/discover", GetDiscoveredDevices).Methods("GET")
+	mux.PathPrefix("/services/").HandlerFunc(RouteRequestToService)
 
-	mux.HandleFunc("/service", GetServiceList).Methods("GET")
-	mux.HandleFunc("/extension", PostService).Methods("POST")
-
-	// mux.Handle("/",  http.FileServer(http.Dir("public")))
 	n := negroni.Classic() // 파일 서버 및 로그기능을 제공함
 	n.UseHandler(mux)
 
 	return n
 }
 
-func GetServiceList(w http.ResponseWriter, r *http.Request) {
+func EchoRoute(w http.ResponseWriter, r *http.Request) {
-	result := containermgnt.GetContainers(context.Background())
+	// w.Write([]byte(r.RequestURI))
-	b := result.Value(containermgnt.ReturnKey).([]byte)
+	// token := strings.Split(r.RequestURI, "/")
-	w.Write(b)
+
+	l := len([]rune("/services/"))
+	idx := strings.Index(r.RequestURI[l:], "/")
+	id := r.RequestURI[l : l+idx]
+	url := r.RequestURI[l+idx:]
+
+	m := make(map[string]string)
+	m["id"] = id
+	m["url"] = url
+
+	encoder := json.NewEncoder(w)
+	encoder.Encode(m)
 }
 
-func PostService(w http.ResponseWriter, r *http.Request) {
+func GetControllerList(w http.ResponseWriter, r *http.Request) {
-	request := containermgnt.Container{
+	w.Header().Set("Access-Control-Allow-Origin", "*")
-		Image: "hello-world",
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
-		Name:  "TempContainer",
+	list, err := db.GetControllers()
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
 	}
+	fmt.Println(list)
+	encoder := json.NewEncoder(w)
 
-	s, err := json.Marshal(request)
+	err = encoder.Encode(list)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+	}
+}
+
+func PostController(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+
+	controller, err := db.AddController(r.Body)
 	if err != nil {
 		w.WriteHeader(http.StatusBadRequest)
 		w.Write([]byte(err.Error()))
 	}
 
-	fmt.Println(s)
+	encoder := json.NewEncoder(w)
-	cont := new(containermgnt.Container)
+	err = encoder.Encode(controller)
-	decoder := json.NewDecoder(bytes.NewReader(s))
-	decoder.Decode(cont)
 
-	result := containermgnt.CreateContainer(context.Background(), cont)
+	if err != nil {
-	b := result.Value(containermgnt.ReturnKey).([]byte)
+		w.WriteHeader(http.StatusBadRequest)
-	w.Write(b)
+		w.Write([]byte(err.Error()))
+	}
+
+	sendNotification(&Notification{Msg: "Added Controller"})
 }
+
+var upgrader = websocket.Upgrader{
+	ReadBufferSize:  1024,
+	WriteBufferSize: 1024,
+	CheckOrigin:     func(r *http.Request) bool { return true },
+}
+
+var notifications []chan *Notification
+
+func sendNotification(noti *Notification) {
+	for _, ch := range notifications {
+		ch <- noti
+	}
+}
+
+func removeNotification(noti chan *Notification) {
+	for i, e := range notifications {
+		if e == noti {
+			discoveredDevices[i] = discoveredDevices[len(discoveredDevices)-1]
+			discoveredDevices = discoveredDevices[:len(discoveredDevices)-1]
+		}
+	}
+}
+func GetNotification(w http.ResponseWriter, r *http.Request) {
+	notiChan := make(chan *Notification, 1)
+	notifications = append(notifications, notiChan)
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+	}
+
+	for {
+		notification := <-notiChan
+		// fmt.Println("Write!!", discoveredDevices)
+		if conn.WriteJSON(notification) != nil {
+			log.Println(err)
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
+			removeNotification(notiChan)
+			notiChan = nil
+			return
+		}
+	}
+}
+
+func GetDiscoveredDevices(w http.ResponseWriter, r *http.Request) {
+	noti := make(chan string, 1)
+	discoveredNotifications = append(discoveredNotifications, noti)
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+	}
+
+	for {
+		<-noti
+		// fmt.Println("Write!!", discoveredDevices)
+		if conn.WriteJSON(discoveredDevices) != nil {
+			log.Println(err)
+			return
+		}
+	}
+}
+
+var waitPermission = map[string]chan bool{}
+var mutex sync.Mutex
+var discoveredDevices []*model.Device
+var discoveredNotifications []chan string
+
+func removeDevice(device *model.Device) {
+	for i, e := range discoveredDevices {
+		if e == device {
+			discoveredDevices[i] = discoveredDevices[len(discoveredDevices)-1]
+			discoveredDevices = discoveredDevices[:len(discoveredDevices)-1]
+		}
+	}
+}
+
+func GetDevices(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+	devices, _, err := db.GetDevices()
+
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	encoder := json.NewEncoder(w)
+	encoder.Encode(devices)
+}
+
+// PostDevice : Handle for Receiving discovery message
+func PostDevice(w http.ResponseWriter, r *http.Request) {
+	var device = &model.Device{}
+	decoder := json.NewDecoder(r.Body)
+	err := decoder.Decode(device)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	if !db.IsExistController(device.CID) {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte("Wrong Controller ID"))
+		return
+	}
+
+	device.DID = uuid.NewString()
+	mutex.Lock()
+	waitPermission[device.DID] = make(chan bool)
+	discoveredDevices = append(discoveredDevices, device)
+	mutex.Unlock()
+	for _, noti := range discoveredNotifications {
+		noti <- device.DID
+	}
+
+	timer := time.NewTimer(3 * time.Second)
+	select {
+	case <-timer.C:
+		mutex.Lock()
+		delete(waitPermission, device.DID)
+		removeDevice(device)
+		mutex.Unlock()
+		for _, noti := range discoveredNotifications {
+			noti <- device.DID
+		}
+
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("This operation is not permitted"))
+	case b := <-waitPermission[device.DID]:
+		if b {
+			// 디바이스 등록 절차 수행
+			db.AddDevice(device)
+			db.AddService(device.SName)
+
+			// 디바이스 등록 알림
+			w.WriteHeader(http.StatusCreated)
+			sendNotification(&Notification{Msg: "Added Device"})
+			mutex.Lock()
+			delete(waitPermission, device.DID)
+			removeDevice(device)
+			mutex.Unlock()
+			for _, noti := range discoveredNotifications {
+				noti <- device.DID
+			}
+		} else {
+			mutex.Lock()
+			delete(waitPermission, device.DID)
+			removeDevice(device)
+			mutex.Unlock()
+			for _, noti := range discoveredNotifications {
+				noti <- device.DID
+			}
+
+			w.WriteHeader(http.StatusOK)
+			w.Write([]byte("This operation is not permitted"))
+		}
+	}
+}
+
+func PutDevice(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+	msg := map[string]string{}
+	decoder := json.NewDecoder(r.Body)
+	err := decoder.Decode(&msg)
+
+	fmt.Println("msg[did]: ", msg["did"])
+
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+	}
+
+	ch, ok := waitPermission[msg["did"]]
+	if !ok {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte("Wrong Device ID is Sended"))
+		return
+	}
+
+	ch <- true
+	w.WriteHeader(http.StatusOK)
+}
+
+func GetServices(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+	l, err := db.GetServices()
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	err = json.NewEncoder(w).Encode(l)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+}
+
+func PutServices(w http.ResponseWriter, r *http.Request) {
+	var obj = map[string]string{}
+
+	decoder := json.NewDecoder(r.Body)
+	err := decoder.Decode(&obj)
+
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	s, err := db.UpdateService(obj["name"], obj["addr"])
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	sendNotification(&Notification{Msg: "Update Service"})
+	err = json.NewEncoder(w).Encode(s)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+}
+
+// func GetServiceList(w http.ResponseWriter, r *http.Request) {
+// 	result := containermgmt.GetContainers(context.Background())
+// 	b := result.Value(containermgmt.ReturnKey).([]byte)
+// 	w.Write(b)
+// }
+
+func PostService(w http.ResponseWriter, r *http.Request) {
+
+	var obj = map[string]string{}
+	decoder := json.NewDecoder(r.Body)
+	err := decoder.Decode(&obj)
+
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	err = containermgmt.CreateContainer(obj["name"])
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+
+	// result := containermgmt.CreateContainer(context.Background(), cont)
+	// b := result.Value(containermgmt.ReturnKey).([]byte)
+}
+
+func RouteRequestToService(w http.ResponseWriter, r *http.Request) {
+	l := len([]rune("/services/"))
+	var id string
+	var url string
+	idx := strings.Index(r.RequestURI[l:], "/")
+	if idx == -1 {
+		id = r.RequestURI[l:]
+		url = "/"
+	} else {
+		id = r.RequestURI[l : l+idx]
+		if len([]rune(r.RequestURI)) <= l+idx {
+			url = "/"
+		} else {
+			url = r.RequestURI[l+idx:]
+		}
+	}
+
+	// w.Write([]byte(vars["url"]))
+	host, err := db.GetAddr(id)
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	log.Println("Route to", host+"/"+url)
+	req, err := http.NewRequest(r.Method, "http://"+host+"/"+url, r.Body)
+	if err != nil {
+		// 잘못된 메시지 포맷이 전달된 경우
+		w.WriteHeader(http.StatusBadRequest)
+		fmt.Fprint(w, err)
+		return
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+
+	if err != nil {
+		// 잘못된 메시지 포맷이 전달된 경우
+		w.WriteHeader(http.StatusBadRequest)
+		fmt.Fprint(w, err)
+		return
+	}
+
+	io.Copy(w, resp.Body)
+}
+
+// func mapService(urls []string) {
+
+// }