Release of Routing Manager v0.3.0

[ric-plt/rtmgr.git] / pkg / nbi / nbi.go

diff --git a/pkg/nbi/nbi.go b/pkg/nbi/nbi.go
index 84282bd..bb0f485 100644 (file)
--- a/pkg/nbi/nbi.go
+++ b/pkg/nbi/nbi.go
@@ -26,56 +26,87 @@ package nbi
 
 import (
        "errors"
-       "fmt"
-       "rtmgr"
+       "routing-manager/pkg/rtmgr"
+        "net/url"
+        apiclient "routing-manager/pkg/appmgr_client"
+        "routing-manager/pkg/appmgr_client/operations"
+        "routing-manager/pkg/appmgr_model"
+        httptransport "github.com/go-openapi/runtime/client"
+        "github.com/go-openapi/strfmt"
+        "github.com/go-openapi/swag"
+        "time"
+
 )
 
 var (
        SupportedNbis = []*NbiEngineConfig{
                &NbiEngineConfig{
-                       NbiEngine{
-                               Name:     "httpGetter",
-                               Version:  "v1",
-                               Protocol: "http",
-                       },
-                       batchFetch(fetchXappList),
-                       true,
-               },
-               &NbiEngineConfig{
-                       NbiEngine{
-                               Name:     "httpRESTful",
-                               Version:  "v1",
-                               Protocol: "http",
-                       },
-                       batchFetch(nil),
-                       false,
+                       Name:     "httpGetter",
+                       Version:  "v1",
+                       Protocol: "http",
+                       Instance: NewHttpGetter(),
+                       IsAvailable: true,
                },
                &NbiEngineConfig{
-                       NbiEngine{
-                               Name:     "gRPC",
-                               Version:  "v1",
-                               Protocol: "http2",
-                       },
-                       batchFetch(nil),
-                       false,
+                       Name:     "httpRESTful",
+                       Version:  "v1",
+                       Protocol: "http",
+                       Instance: NewHttpRestful(),
+                       IsAvailable: true,
                },
        }
 )
 
-func ListNbis() {
-       fmt.Printf("NBI:\n")
-       for _, nbi := range SupportedNbis {
-               if nbi.IsAvailable {
-                       rtmgr.Logger.Info(nbi.Engine.Name + "/" + nbi.Engine.Version)
-               }
-       }
+type Nbi struct {
+
 }
 
-func GetNbi(nbiName string) (*NbiEngineConfig, error) {
+func GetNbi(nbiName string) (NbiEngine, error) {
        for _, nbi := range SupportedNbis {
-               if nbi.Engine.Name == nbiName && nbi.IsAvailable {
-                       return nbi, nil
+               if nbi.Name == nbiName && nbi.IsAvailable {
+                       return nbi.Instance, nil
                }
        }
        return nil, errors.New("NBI:" + nbiName + " is not supported or still not a available")
 }
+
+func CreateSubReq(restUrl string, restPort string) *appmgr_model.SubscriptionRequest {
+       // TODO: parametize function
+        subReq := appmgr_model.SubscriptionRequest{
+                TargetURL:  swag.String(restUrl + ":" + restPort + "/ric/v1/handles/xapp-handle/"),
+                EventType:  swag.String("all"),
+                MaxRetries: swag.Int64(5),
+                RetryTimer: swag.Int64(10),
+        }
+
+        return &subReq
+}
+
+func PostSubReq(xmUrl string, nbiif string) error {
+        // setting up POST request to Xapp Manager
+        appmgrUrl, err := url.Parse(xmUrl)
+        if err != nil {
+                rtmgr.Logger.Error("Invalid XApp manager url/hostname: " + err.Error())
+                return err
+        }
+       nbiifUrl, err := url.Parse(nbiif)
+       if err != nil {
+               rtmgr.Logger.Error("Invalid NBI address/port: " + err.Error())
+               return err
+       }
+        transport := httptransport.New(appmgrUrl.Hostname()+":"+appmgrUrl.Port(), "/ric/v1", []string{"http"})
+        client := apiclient.New(transport, strfmt.Default)
+        addSubParams := operations.NewAddSubscriptionParamsWithTimeout(10 * time.Second)
+        // create sub req with rest url and port
+        subReq := CreateSubReq(nbiifUrl.Hostname(), nbiifUrl.Port())
+        resp, postErr := client.Operations.AddSubscription(addSubParams.WithSubscriptionRequest(subReq))
+        if postErr != nil {
+                rtmgr.Logger.Error("POST unsuccessful:"+postErr.Error())
+                return postErr
+        } else {
+                // TODO: use the received ID
+                rtmgr.Logger.Info("POST received: "+string(resp.Payload.ID))
+                return nil
+        }
+}
+