2 ==================================================================================
3 Copyright (c) 2019 AT&T Intellectual Property.
4 Copyright (c) 2019 Nokia
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
19 This source code is part of the near-RT RIC (RAN Intelligent Controller)
20 platform project (RICP).
22 ==================================================================================
26 Abstract: Contains NBI (NorthBound Interface) module definitions and generic NBI components
35 apiclient "routing-manager/pkg/appmgr_client"
36 "routing-manager/pkg/appmgr_client/operations"
37 "routing-manager/pkg/appmgr_model"
40 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
41 httptransport "github.com/go-openapi/runtime/client"
42 "github.com/go-openapi/strfmt"
43 "github.com/go-openapi/swag"
47 SupportedNbis = []*EngineConfig{
52 Instance: NewHttpGetter(),
59 Instance: NewHttpRestful(),
68 func GetNbi(nbiName string) (Engine, error) {
69 for _, nbi := range SupportedNbis {
70 if nbi.Name == nbiName && nbi.IsAvailable {
71 return nbi.Instance, nil
74 return nil, errors.New("NBI:" + nbiName + " is not supported or still not a available")
77 func CreateSubReq(restUrl string, restPort string) *appmgr_model.SubscriptionRequest {
78 // TODO: parameterize function
79 subData := appmgr_model.SubscriptionData{
80 TargetURL: swag.String(restUrl + ":" + restPort + "/ric/v1/handles/xapp-handle/"),
81 EventType: appmgr_model.EventTypeAll,
82 MaxRetries: swag.Int64(5),
83 RetryTimer: swag.Int64(10),
86 subReq := appmgr_model.SubscriptionRequest{
93 func PostSubReq(xmUrl string, nbiif string) error {
94 // setting up POST request to Xapp Manager
95 appmgrUrl, err := url.Parse(xmUrl)
97 xapp.Logger.Error("Invalid XApp manager url/hostname: " + err.Error())
100 nbiifUrl, err := url.Parse(nbiif)
102 xapp.Logger.Error("Invalid NBI address/port: " + err.Error())
105 transport := httptransport.New(appmgrUrl.Hostname()+":"+appmgrUrl.Port(), "/ric/v1", []string{"http"})
106 client := apiclient.New(transport, strfmt.Default)
107 addSubParams := operations.NewAddSubscriptionParamsWithTimeout(10 * time.Second)
108 // create sub req with rest url and port
109 subReq := CreateSubReq(nbiifUrl.Scheme+"://"+nbiifUrl.Hostname(), nbiifUrl.Port())
110 resp, postErr := client.Operations.AddSubscription(addSubParams.WithSubscriptionRequest(subReq))
112 xapp.Logger.Error("POST unsuccessful:" + postErr.Error())
115 // TODO: use the received ID
116 xapp.Logger.Info("POST received: " + string(resp.Payload.ID))