Create E2T API implementation and yaml change for multiple e2t instances handling...
[ric-plt/rtmgr.git] / pkg / sbi / sbi.go
index a2da825..9d1380e 100644 (file)
@@ -1,4 +1,5 @@
 /*
+w
 ==================================================================================
   Copyright (c) 2019 AT&T Intellectual Property.
   Copyright (c) 2019 Nokia
    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.
+
+   This source code is part of the near-RT RIC (RAN Intelligent Controller)
+   platform project (RICP).
+
 ==================================================================================
 */
 /*
@@ -26,51 +31,143 @@ package sbi
 
 import (
        "errors"
-       "fmt"
-       "rtmgr"
+       "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+       "routing-manager/pkg/rtmgr"
+       "strconv"
+       "strings"
 )
 
+const DefaultNngPipelineSocketPrefix = "tcp://"
+const DefaultNngPipelineSocketNumber = 4561
+const PlatformType = "platform"
+
 var (
-       SupportedSbis = []*SbiEngineConfig{
-               &SbiEngineConfig{
-                       SbiEngine{
-                               Name:     "nngpub",
-                               Version:  "v1",
-                               Protocol: "nngpubsub",
-                       },
-                       openSocket(openNngPub),
-                       closeSocket(closeNngPub),
-                       distributeAll(publishAll),
-                       true,
-               },
-               &SbiEngineConfig{
-                       SbiEngine{
-                               Name:     "nngpush",
-                               Version:  "v1",
-                               Protocol: "nngpipeline",
-                       },
-                       openSocket(nil),
-                       closeSocket(nil),
-                       distributeAll(nil),
-                       false,
+       SupportedSbis = []*EngineConfig{
+               {
+                       Name:        "nngpush",
+                       Version:     "v1",
+                       Protocol:    "nngpipeline",
+                       Instance:    NewNngPush(),
+                       IsAvailable: true,
                },
        }
 )
 
-func ListSbis() {
-       fmt.Printf("SBI:\n")
+func GetSbi(sbiName string) (Engine, error) {
        for _, sbi := range SupportedSbis {
-               if sbi.IsAvailable {
-                       rtmgr.Logger.Info(sbi.Engine.Name + "/" + sbi.Engine.Version)
+               if sbi.Name == sbiName && sbi.IsAvailable {
+                       return sbi.Instance, nil
                }
        }
+       return nil, errors.New("SBI:" + sbiName + " is not supported or still not available")
 }
 
-func GetSbi(sbiName string) (*SbiEngineConfig, error) {
-       for _, sbi := range SupportedSbis {
-               if sbi.Engine.Name == sbiName && sbi.IsAvailable {
-                       return sbi, nil
+type Sbi struct {
+}
+
+func (s *Sbi) pruneEndpointList(sbi Engine) {
+       xapp.Logger.Debug("pruneEndpointList invoked.")
+       for _, ep := range rtmgr.Eps {
+               if !ep.Keepalive {
+                       xapp.Logger.Debug("deleting %v", ep)
+                       sbi.DeleteEndpoint(ep)
+                       delete(rtmgr.Eps, ep.Uuid)
+               } else {
+                       rtmgr.Eps[ep.Uuid].Keepalive = false
                }
        }
-       return nil, errors.New("SBI:" + sbiName + "is not supported or still not a available")
+}
+
+func (s *Sbi) updateEndpoints(rcs *rtmgr.RicComponents, sbi Engine) {
+       for _, xapps := range (*rcs).XApps {
+               for _, instance := range xapps.Instances {
+                       uuid := instance.Ip + ":" + strconv.Itoa(int(instance.Port))
+                       if _, ok := rtmgr.Eps[uuid]; ok {
+                               rtmgr.Eps[uuid].Keepalive = true
+                       } else {
+                               ep := &rtmgr.Endpoint{
+                                       Uuid:       uuid,
+                                       Name:       instance.Name,
+                                       XAppType:   xapps.Name,
+                                       Ip:         instance.Ip,
+                                       Port:       instance.Port,
+                                       TxMessages: instance.TxMessages,
+                                       RxMessages: instance.RxMessages,
+                                       Policies:   instance.Policies,
+                                       Socket:     nil,
+                                       IsReady:    false,
+                                       Keepalive:  true,
+                               }
+                               if err := sbi.AddEndpoint(ep); err != nil {
+                                       xapp.Logger.Error("can't create socket for endpoint: " + ep.Name + " due to:" + err.Error())
+                                       continue
+                               }
+                               rtmgr.Eps[uuid] = ep
+                       }
+               }
+       }
+       s.updatePlatformEndpoints(&((*rcs).Pcs), sbi)
+        s.updateE2TEndpoints(&((*rcs).E2Ts), sbi)
+       s.pruneEndpointList(sbi)
+}
+
+func (s *Sbi) updatePlatformEndpoints(pcs *rtmgr.PlatformComponents, sbi Engine) {
+       xapp.Logger.Debug("updatePlatformEndpoints invoked. PCS: %v", *pcs)
+       for _, pc := range *pcs {
+               uuid := pc.Fqdn + ":" + strconv.Itoa(int(pc.Port))
+               if _, ok := rtmgr.Eps[uuid]; ok {
+                       rtmgr.Eps[uuid].Keepalive = true
+               } else {
+                       ep := &rtmgr.Endpoint{
+                               Uuid:       uuid,
+                               Name:       pc.Name,
+                               XAppType:   PlatformType,
+                               Ip:         pc.Fqdn,
+                               Port:       pc.Port,
+                               TxMessages: rtmgr.PLATFORMMESSAGETYPES[pc.Name]["tx"],
+                               RxMessages: rtmgr.PLATFORMMESSAGETYPES[pc.Name]["rx"],
+                               Socket:     nil,
+                               IsReady:    false,
+                               Keepalive:  true,
+                       }
+                       xapp.Logger.Debug("ep created: %v", ep)
+                       if err := sbi.AddEndpoint(ep); err != nil {
+                               xapp.Logger.Error("can't create socket for endpoint: " + ep.Name + " due to:" + err.Error())
+                               continue
+                       }
+                       rtmgr.Eps[uuid] = ep
+               }
+       }
+}
+
+func (s *Sbi) updateE2TEndpoints(E2Ts *map[string]rtmgr.E2TInstance, sbi Engine) {
+        xapp.Logger.Debug("updateE2TEndpoints invoked. E2T: %v", *E2Ts)
+        for _, e2t := range *E2Ts {
+                uuid := e2t.Fqdn
+                stringSlice := strings.Split(e2t.Fqdn, ":")
+                ipaddress := stringSlice[0]
+                port, _ := strconv.Atoi(stringSlice[1])
+                if _, ok := rtmgr.Eps[uuid]; ok {
+                        rtmgr.Eps[uuid].Keepalive = true
+                } else {
+                        ep := &rtmgr.Endpoint{
+                                Uuid:       uuid,
+                                Name:       e2t.Name,
+                                XAppType:   PlatformType,
+                                Ip:         ipaddress,
+                                Port:       uint16(port),
+                                TxMessages: rtmgr.PLATFORMMESSAGETYPES[e2t.Name]["tx"],
+                                RxMessages: rtmgr.PLATFORMMESSAGETYPES[e2t.Name]["rx"],
+                                Socket:     nil,
+                                IsReady:    false,
+                                Keepalive:  true,
+                        }
+                        xapp.Logger.Debug("ep created: %v", ep)
+                        if err := sbi.AddEndpoint(ep); err != nil {
+                                xapp.Logger.Error("can't create socket for endpoint: " + ep.Name + " due to:" + err.Error())
+                                continue
+                        }
+                        rtmgr.Eps[uuid] = ep
+                }
+        }
 }