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Removed Book Keeping of RMR CTL ports. Route Distribution only on demand
[ric-plt/rtmgr.git] / pkg / sbi / sbi.go
diff --git a/pkg/sbi/sbi.go b/pkg/sbi/sbi.go
index 83b3790..21ff78e 100644 (file)
--- a/pkg/sbi/sbi.go
+++ b/pkg/sbi/sbi.go
@@ -15,6 +15,10 @@ w
    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.
    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).
+
 ==================================================================================
 */
 /*
 ==================================================================================
 */
 /*
@@ -27,102 +31,185 @@ package sbi
 
 import (
        "errors"
 
 import (
        "errors"
-       "fmt"
-       "rtmgr"
-        "strconv"
+       //"fmt"
+       "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+       //"net"
+       "routing-manager/pkg/rtmgr"
+       "strconv"
+       "strings"
 )
 
 )
 
-const DEFAULT_NNG_PUBSUB_SOCKET_PREFIX = "tcp://"
-const DEFAULT_NNG_PUBSUB_SOCKET_NUMBER = 4560
-const DEFAULT_NNG_PIPELINE_SOCKET_PREFIX = "tcp://"
-const DEFAULT_NNG_PIPELINE_SOCKET_NUMBER = 4561
+const DefaultRmrPipelineSocketPrefix = "tcp://"
+const DefaultRmrPipelineSocketNumber = 4561
+const PlatformType = "platform"
 
 var (
 
 var (
-       SupportedSbis = []*SbiEngineConfig{
-               &SbiEngineConfig{
-                       SbiEngine{
-                               Name:     "nngpub",
-                               Version:  "v1",
-                               Protocol: "nngpubsub",
-                       },
-                       openSocket(openNngPub),
-                       closeSocket(closeNngPub),
-                       createEndpointSocket(createNngPubEndpointSocket),
-                       destroyEndpointSocket(createNngPubEndpointSocket),
-                       distributeAll(publishAll),
-                       true,
-               },
-               &SbiEngineConfig{
-                       SbiEngine{
-                               Name:     "nngpush",
-                               Version:  "v1",
-                               Protocol: "nngpipeline",
-                       },
-                       openSocket(openNngPush),
-                       closeSocket(closeNngPush),
-                       createEndpointSocket(createNngPushEndpointSocket),
-                       destroyEndpointSocket(destroyNngPushEndpointSocket),
-                       distributeAll(pushAll),
-                       true,
+       SupportedSbis = []*EngineConfig{
+               {
+                       Name:        "rmrpush",
+                       Version:     "v1",
+                       Protocol:    "rmrpipeline",
+                       Instance:    NewRmrPush(),
+                       IsAvailable: true,
                },
        }
 )
 
                },
        }
 )
 
-func ListSbis() {
-       fmt.Printf("SBI:\n")
+func GetSbi(sbiName string) (Engine, error) {
        for _, sbi := range SupportedSbis {
        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 {
+                       if rtmgr.Eps[ep.Uuid] != nil {
+                               rtmgr.Eps[ep.Uuid].Keepalive = false
+                       }
                }
        }
                }
        }
-       return nil, errors.New("SBI:" + sbiName + " is not supported or still not available")
 }
 
 }
 
-func pruneEndpointList(sbii *SbiEngineConfig) {
-        for _, ep := range rtmgr.Eps {
-                if !ep.Keepalive {
-                       sbii.DestroyEndpointSocket(ep)
-                        delete(rtmgr.Eps, ep.Uuid)
-                } else {
-                        rtmgr.Eps[ep.Uuid].Keepalive = false
-                }
-        }
+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 UpdateEndpointList(xapps *[]rtmgr.XApp, sbii *SbiEngineConfig) {
-        for _, xapp := range *xapps {
-                for _, instance := range xapp.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,
-                                        instance.Name,
-                                        xapp.Name,
-                                        instance.Ip,
-                                        instance.Port,
-                                        instance.TxMessages,
-                                        instance.RxMessages,
-                                        nil,
-                                        false,
-                                        true,
-                                }
-                                if err := sbii.CreateEndpointSocket(ep); err != nil {
-                                        rtmgr.Logger.Error("can't create socket for endpoint: " + ep.Name + " due to:" + err.Error())
-                                        continue
-                                }
-                                rtmgr.Eps[uuid] = ep
-                        }
-                }
-        }
-        pruneEndpointList(sbii)
+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
+               }
+       }
 }
 }
+
+func (s *Sbi) createEndpoint(payload string,rmrsrc string, sbi Engine) (*string,int) {
+       xapp.Logger.Debug("CreateEndPoint %v", payload)
+//     stringSlice := strings.Split(payload, " ")
+//     uuid := stringSlice[0]
+//     xapp.Logger.Debug(">>> uuid %v", stringSlice[0])
+
+/*     if _, ok := rtmgr.Eps[uuid]; ok {
+               ep := rtmgr.Eps[uuid]
+               return ep
+       }*/
+
+       /* incase the stored Endpoint list is in the form of IP:port*/
+/*     stringsubsplit := strings.Split(uuid, ":")
+       addr, err := net.LookupIP(stringsubsplit[0])
+       if err == nil {
+               convertedUuid := fmt.Sprintf("%s:%s", addr[0], stringsubsplit[1])
+               xapp.Logger.Info(" IP:Port received is %s", convertedUuid)
+               if _, ok := rtmgr.Eps[convertedUuid]; ok {
+                       ep := rtmgr.Eps[convertedUuid]
+                       return ep
+               }
+       }*/
+
+       /* Create a new mapping, this case is assumed for multiple process sending RMR request from a container */
+       srcString := strings.Split(rmrsrc," ")
+       srcStringSlice := strings.Split(srcString[0],"=")
+       Whid := int(xapp.Rmr.Openwh(srcStringSlice[1]))
+
+       xapp.Logger.Info("Wormhole Id created is %d for EndPoint %s",Whid,srcStringSlice[1])
+       if Whid > 0 {
+//             rtmgr.RmrEp[srcStringSlice[1]] = Whid
+               xapp.Logger.Info("received %s and mapped to Whid = %d",srcStringSlice[1],Whid)
+               return &srcStringSlice[1],Whid
+       }
+
+       return nil,Whid
+ }
Routing Manager (ric-plt/rtmgr) is a basic RIC platform service, responsible for generating and distributing routing policies to xApps.