Finalyze demo-ue4 (c84568b2) · Commits · MEC - Multi-access Edge Computing / ETSI MEC Sandbox

examples/demo4-ue/src/demo-server/backend/README.md

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		# Go API Server for openapi

		Demo 4 is an edge application that can be used with AdvantEDGE or ETSI MEC Sandbox to demonstrate MEC011 and MEC021 usage

		## Overview
		This server was generated by the [openapi-generator]
		(https://openapi-generator.tech) project.
		By using the [OpenAPI-Spec](https://github.com/OAI/OpenAPI-Specification) from a remote server, you can easily generate a server stub.
		-

		To see how to make this your own, look here:

		[README](https://openapi-generator.tech)

		- API version: 0.0.1
		- Build date: 2022-08-03T12:17:06.810209074+02:00[Europe/Paris]


		### Running the server
		To run the server, follow these simple steps:

		```
		go run main.go
		```

		To run the server in a docker container
		```
		docker build --network=host -t openapi .
		```

		Once image is built use
		```
		docker run --rm -it openapi
		```

		# Demo4
		Demo 4 is an edge application that can be used with AdvantEDGE or ETSI MEC Sandbox to demonstrate MEC016 usage

		For more details, check out the [Demo4 Documentation](https://interdigitalinc.github.io/AdvantEDGE/docs/usage/usage-demo4/)

examples/demo4-ue/src/demo-server/backend/api/swagger.yaml

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		@@ -147,6 +147,34 @@ paths:
		summary: Returns onboarded-demo4 User Application activity
		tags:
		- DAI
		/dai/availability:
		post:
		description: Used to obtain the locations available for instantiation of a specific
		user application in the MEC system.
		operationId: daiAppLocationAvailabilityPOST
		responses:
		"200":
		content:
		application/json:
		schema:
		$ref: '#/components/schemas/AppLocationAvailability'
		description: Uppon success, a response body containing pong will be returned
		"400":
		content:
		application/problem+json:
		schema:
		$ref: '#/components/schemas/ProblemDetails'
		description: Bad request. It is used to indicate that incorrect parameters
		were passed to the request.
		"404":
		content:
		application/problem+json:
		schema:
		$ref: '#/components/schemas/ProblemDetails'
		description: Not found
		summary: Obtain the location constraints for a new application context.
		tags:
		- DAI
		/services/callback/service-availability:
		post:
		tags:

examples/demo4-ue/src/demo-server/backend/server/api_dai.go

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		@@ -28,3 +28,8 @@ func DaiDoPingPOST(w http.ResponseWriter, r *http.Request) {
		func DaiDoPingDELETE(w http.ResponseWriter, r *http.Request) {
		demo4DaiDoPingDELETE(w, r)
		}

		func DaiAppLocationAvailabilityPOST(w http.ResponseWriter, r *http.Request) {
		demo4DaiAppLocationAvailabilityPOST(w, r)
		}

examples/demo4-ue/src/demo-server/backend/server/demo4_service.go

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		@@ -817,6 +817,7 @@ const (
		simu_appPackageSource = "appPackageSource1"
		)

		// REST API retrieves the list of the onboarded MEC application
		func demo4DaiDoPingGET(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json; charset=UTF-8")

		@@ -856,7 +857,7 @@ func demo4DaiDoPingGET(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, string(jsonResponse))*/
		}

		// REST API retrieve activity logs
		// REST API creates a new instance of an onboarded MEC application
		func demo4DaiDoPingPOST(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json; charset=UTF-8")

		@@ -911,7 +912,7 @@ func demo4DaiDoPingPOST(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, string(jsonResponse))
		}

		// REST API retrieve activity logs
		// REST API creates an existing instance of an onboarded MEC application
		func demo4DaiDoPingDELETE(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json; charset=UTF-8")

		@@ -947,6 +948,58 @@ func demo4DaiDoPingDELETE(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusNoContent)
		}

		// REST API retrieve location constraints of an existing instance of an onboarded MEC application
		func demo4DaiAppLocationAvailabilityPOST(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json; charset=UTF-8")

		log.Debug("demo4DaiAppLocationAvailabilityPOST: appContexts= ", appContexts)
		if len(appContexts) == 0 {
		err := errors.New("No context created, please use POST /dai/instantiate")
		appActivityLogs = append(appActivityLogs, "demo4DaiDoPingDELETE: "+err.Error())
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
		}

		// Retrieve the appContextId
		var appContextId string
		for k := range appContexts {
		log.Debug("demo4DaiAppLocationAvailabilityPOST: Set appContextId to ", k)
		appContextId = k
		} // End of 'for' statement
		log.Debug("demo4DaiAppLocationAvailabilityPOST: appContextId: ", appContextId)

		// Create a ApplicationLocationAvailability
		var appInfo dai.ApplicationLocationAvailabilityAppInfo
		appInfo.AppDVersion = appContexts[appContextId].app.AppInfo.AppDVersion
		appInfo.AppDescription = appContexts[appContextId].app.AppInfo.AppDescription
		appInfo.AppName = appContexts[appContextId].app.AppInfo.AppName
		appInfo.AppPackageSource = appContexts[appContextId].app.AppInfo.AppPackageSource
		appInfo.AppProvider = appContexts[appContextId].app.AppInfo.AppProvider
		appInfo.AppSoftVersion = appContexts[appContextId].app.AppInfo.AppSoftVersion
		var applicationLocationAvailability dai.ApplicationLocationAvailability
		applicationLocationAvailability.AppInfo = &appInfo
		applicationLocationAvailability.AssociateDevAppId = appContexts[appContextId].app.AssociateDevAppId

		appLocAv, response, err := daiClient.DevAppApi.AppLocationAvailabilityPOST(context.TODO(), applicationLocationAvailability)
		if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
		}
		log.Debug("demo4DaiAppLocationAvailabilityPOST: Status: ", response.Status)

		// Send resp
		jsonResponse, err := json.Marshal(appLocAv)
		if err != nil {
		log.Error(err.Error())
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
		}
		w.WriteHeader(http.StatusOK)
		fmt.Fprintf(w, string(jsonResponse))
		}

		// Rest API handle user-app termination call-back notification
		func appTerminationNotificationCallback(w http.ResponseWriter, r *http.Request) {
		var notification asc.AppTerminationNotification

examples/demo4-ue/src/demo-server/backend/server/routers.go

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		@@ -119,6 +119,13 @@ var routes = Routes{
		DaiDoPingPOST,
		},

		Route{
		"DaiAppLocationAvailabilityPOST",
		strings.ToUpper("Post"),
		"/dai/availability",
		DaiAppLocationAvailabilityPOST,
		},

		Route{
		"ServiceAvailNotificationCallback",
		strings.ToUpper("Post"),