package control
-import "C"
-
import (
- "errors"
+ "fmt"
+ "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap"
rtmgrclient "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/rtmgr_client"
- rtmgrhandle "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/rtmgr_client/handle"
+ "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/xapptweaks"
+ "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/models"
"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
httptransport "github.com/go-openapi/runtime/client"
"github.com/go-openapi/strfmt"
"github.com/spf13/viper"
- "math/rand"
- "strconv"
"time"
- "sync"
)
-var rmrSendMutex = &sync.Mutex{}
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+
+func idstring(err error, entries ...fmt.Stringer) string {
+ var retval string = ""
+ var filler string = ""
+ for _, entry := range entries {
+ retval += filler + entry.String()
+ filler = " "
+ }
+ if err != nil {
+ retval += filler + "err(" + err.Error() + ")"
+ filler = " "
+
+ }
+ return retval
+}
+
+//-----------------------------------------------------------------------------
+//
+//-----------------------------------------------------------------------------
+
+var e2tSubReqTimeout time.Duration = 5 * time.Second
+var e2tSubDelReqTime time.Duration = 5 * time.Second
+var e2tMaxSubReqTryCount uint64 = 2 // Initial try + retry
+var e2tMaxSubDelReqTryCount uint64 = 2 // Initial try + retry
-var subReqTime time.Duration = 2 * time.Second
-var SubDelReqTime time.Duration = 2 * time.Second
+var e2tRecvMsgTimeout time.Duration = 5 * time.Second
type Control struct {
- e2ap *E2ap
- registry *Registry
- rtmgrClient *RtmgrClient
- tracker *Tracker
- rcChan chan *xapp.RMRParams
- timerMap *TimerMap
+ xapptweaks.XappWrapper
+ e2ap *E2ap
+ registry *Registry
+ tracker *Tracker
+ //subscriber *xapp.Subscriber
}
type RMRMeid struct {
- PlmnID string
- EnbID string
+ PlmnID string
+ EnbID string
RanName string
}
-var seedSN uint16
-
-const (
- CREATE Action = 0
- MERGE Action = 1
- DELETE Action = 3
-)
-
func init() {
- xapp.Logger.Info("SUBMGR /ric-plt-submgr:r3-test-v2")
+ xapp.Logger.Info("SUBMGR")
viper.AutomaticEnv()
viper.SetEnvPrefix("submgr")
viper.AllowEmptyEnv(true)
- seedSN = uint16(viper.GetInt("seed_sn"))
- if seedSN == 0 {
- rand.Seed(time.Now().UnixNano())
- seedSN = uint16(rand.Intn(65535))
- }
- if seedSN > 65535 {
- seedSN = 0
- }
- xapp.Logger.Info("SUBMGR: Initial Sequence Number: %v", seedSN)
}
-func NewControl() Control {
+func NewControl() *Control {
+
+ transport := httptransport.New(viper.GetString("rtmgr.HostAddr")+":"+viper.GetString("rtmgr.port"), viper.GetString("rtmgr.baseUrl"), []string{"http"})
+ rtmgrClient := RtmgrClient{rtClient: rtmgrclient.New(transport, strfmt.Default)}
+
registry := new(Registry)
- registry.Initialize(seedSN)
+ registry.Initialize()
+ registry.rtmgrClient = &rtmgrClient
tracker := new(Tracker)
tracker.Init()
- timerMap := new(TimerMap)
- timerMap.Init()
+ //subscriber := xapp.NewSubscriber(viper.GetString("subscription.host"), viper.GetInt("subscription.timeout"))
- transport := httptransport.New(viper.GetString("rtmgr.HostAddr")+":"+viper.GetString("rtmgr.port"), viper.GetString("rtmgr.baseUrl"), []string{"http"})
- client := rtmgrclient.New(transport, strfmt.Default)
- handle := rtmgrhandle.NewProvideXappSubscriptionHandleParamsWithTimeout(10 * time.Second)
- deleteHandle := rtmgrhandle.NewDeleteXappSubscriptionHandleParamsWithTimeout(10 * time.Second)
- rtmgrClient := RtmgrClient{client, handle, deleteHandle}
+ c := &Control{e2ap: new(E2ap),
+ registry: registry,
+ tracker: tracker,
+ //subscriber: subscriber,
+ }
+ c.XappWrapper.Init("")
+ go xapp.Subscription.Listen(c.SubscriptionHandler, c.QueryHandler)
+ //go c.subscriber.Listen(c.SubscriptionHandler, c.QueryHandler)
+ return c
+}
- return Control{new(E2ap), registry, &rtmgrClient, tracker, make(chan *xapp.RMRParams),timerMap}
+func (c *Control) ReadyCB(data interface{}) {
+ if c.Rmr == nil {
+ c.Rmr = xapp.Rmr
+ }
}
func (c *Control) Run() {
- go c.controlLoop()
+ xapp.SetReadyCB(c.ReadyCB, nil)
xapp.Run(c)
}
-func (c *Control) Consume(rp *xapp.RMRParams) (err error) {
- c.rcChan <- rp
- return
-}
-
-func (c *Control) rmrSend(params *xapp.RMRParams) (err error) {
- status := false
- i := 1
- rmrSendMutex.Lock()
- for ; i <= 10 && status == false; i++ {
- status = xapp.Rmr.Send(params, false)
- if status == false {
- xapp.Logger.Info("rmr.Send() failed. Retry count %v, Mtype: %v, SubId: %v, Xid %s",i, params.Mtype, params.SubId, params.Xid)
- time.Sleep(500 * time.Millisecond)
- }
- }
- if status == false {
- err = errors.New("rmr.Send() failed")
- xapp.Rmr.Free(params.Mbuf)
- }
- rmrSendMutex.Unlock()
-
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) SubscriptionHandler(stype models.SubscriptionType, params interface{}) (models.SubscriptionResult, error) {
/*
- if !xapp.Rmr.Send(params, false) {
- err = errors.New("rmr.Send() failed")
- xapp.Rmr.Free(params.Mbuf)
- }
- */
- return
-}
-
-func (c *Control) rmrReplyToSender(params *xapp.RMRParams) (err error) {
- c.rmrSend(params)
- return
+ switch p := params.(type) {
+ case *models.ReportParams:
+ trans := c.tracker.NewXappTransaction(NewRmrEndpoint(p.ClientEndpoint),"" , 0, &xapp.RMRMeid{RanName: p.Meid})
+ if trans == nil {
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(fmt.Errorf("transaction not created"), params))
+ return
+ }
+ defer trans.Release()
+ case *models.ControlParams:
+ case *models.PolicyParams:
+ }
+ */
+ return models.SubscriptionResult{}, fmt.Errorf("Subscription rest interface not implemented")
}
-func (c *Control) controlLoop() {
- for {
- msg := <-c.rcChan
- switch msg.Mtype {
- case xapp.RICMessageTypes["RIC_SUB_REQ"]:
- go c.handleSubscriptionRequest(msg)
- case xapp.RICMessageTypes["RIC_SUB_RESP"]:
- go c.handleSubscriptionResponse(msg)
- case xapp.RICMessageTypes["RIC_SUB_FAILURE"]:
- go c.handleSubscriptionFailure(msg)
- case xapp.RICMessageTypes["RIC_SUB_DEL_REQ"]:
- go c.handleSubscriptionDeleteRequest(msg)
- case xapp.RICMessageTypes["RIC_SUB_DEL_RESP"]:
- go c.handleSubscriptionDeleteResponse(msg)
- default:
- err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
- xapp.Logger.Error("Unknown message type: %v", err)
- }
- }
+func (c *Control) QueryHandler() (models.SubscriptionList, error) {
+ return c.registry.QueryHandler()
}
-func (c *Control) handleSubscriptionRequest(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Request Received from Src: %s, Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Src, params.Mtype, params.SubId, params.Xid, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+
+func (c *Control) rmrSendToE2T(desc string, subs *Subscription, trans *TransactionSubs) (err error) {
+ params := xapptweaks.NewParams(nil)
+ params.Mtype = trans.GetMtype()
+ params.SubId = int(subs.GetReqId().Seq)
+ params.Xid = ""
+ params.Meid = subs.GetMeid()
+ params.Src = ""
+ params.PayloadLen = len(trans.Payload.Buf)
+ params.Payload = trans.Payload.Buf
params.Mbuf = nil
+ xapp.Logger.Info("MSG to E2T: %s %s %s", desc, trans.String(), params.String())
+ return c.RmrSend(params)
+}
- /* Reserve a sequence number and set it in the payload */
- newSubId, isIdValid := c.registry.ReserveSequenceNumber()
- if isIdValid != true {
- xapp.Logger.Info("Further processing of this SubscriptionRequest stopped. SubId: %v, Xid: %s",params.SubId, params.Xid)
- return
- }
+func (c *Control) rmrSendToXapp(desc string, subs *Subscription, trans *TransactionXapp) (err error) {
- err = c.e2ap.SetSubscriptionRequestSequenceNumber(params.Payload, newSubId)
- if err != nil {
- err = errors.New("Unable to set Subscription Sequence Number in Payload due to: " + err.Error())
- return
- }
+ params := xapptweaks.NewParams(nil)
+ params.Mtype = trans.GetMtype()
+ params.SubId = int(subs.GetReqId().Seq)
+ params.Xid = trans.GetXid()
+ params.Meid = trans.GetMeid()
+ params.Src = ""
+ params.PayloadLen = len(trans.Payload.Buf)
+ params.Payload = trans.Payload.Buf
+ params.Mbuf = nil
+ xapp.Logger.Info("MSG to XAPP: %s %s %s", desc, trans.String(), params.String())
+ return c.RmrSend(params)
+}
- srcAddr, srcPort, err := c.rtmgrClient.SplitSource(params.Src)
- if err != nil {
- xapp.Logger.Error("Failed to update routing-manager about the subscription request with reason: %s", err)
+func (c *Control) Consume(params *xapp.RMRParams) (err error) {
+ msg := xapptweaks.NewParams(params)
+ if c.Rmr == nil {
+ err = fmt.Errorf("Rmr object nil can handle %s", msg.String())
+ xapp.Logger.Error("%s", err.Error())
return
}
-
- /* Create transatcion records for every subscription request */
- xactKey := TransactionKey{newSubId, CREATE}
- xactValue := Transaction{*srcAddr, *srcPort, params}
- err = c.tracker.TrackTransaction(xactKey, xactValue)
- if err != nil {
- xapp.Logger.Error("Failed to create a Subscription Request transaction record due to %v", err)
- return
+ c.CntRecvMsg++
+
+ defer c.Rmr.Free(msg.Mbuf)
+
+ switch msg.Mtype {
+ case xapp.RIC_SUB_REQ:
+ go c.handleXAPPSubscriptionRequest(msg)
+ case xapp.RIC_SUB_RESP:
+ go c.handleE2TSubscriptionResponse(msg)
+ case xapp.RIC_SUB_FAILURE:
+ go c.handleE2TSubscriptionFailure(msg)
+ case xapp.RIC_SUB_DEL_REQ:
+ go c.handleXAPPSubscriptionDeleteRequest(msg)
+ case xapp.RIC_SUB_DEL_RESP:
+ go c.handleE2TSubscriptionDeleteResponse(msg)
+ case xapp.RIC_SUB_DEL_FAILURE:
+ go c.handleE2TSubscriptionDeleteFailure(msg)
+ default:
+ xapp.Logger.Info("Unknown Message Type '%d', discarding", msg.Mtype)
}
-
- /* Update routing manager about the new subscription*/
- subRouteAction := SubRouteInfo{CREATE, *srcAddr, *srcPort, newSubId}
- xapp.Logger.Info("Starting routing manager update")
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
-
- //time.Sleep(3 * time.Second)
-
- // Setting new subscription ID in the RMR header
- params.SubId = int(newSubId)
- xapp.Logger.Info("Forwarding Subscription Request to E2T: Mtype: %v, SubId: %v, Xid %s, Meid %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrSend(params)
- if err != nil {
- xapp.Logger.Error("Failed to send request to E2T %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
- } /*else {
- c.timerMap.StartTimer(newSubId, subReqTime, c.handleSubscriptionRequestTimer)
- }*/
- xapp.Logger.Debug("--- Debugging transaction table = %v", c.tracker.transactionTable)
return
}
-func (c *Control) handleSubscriptionResponse(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Response Received from Src: %s, Mtype: %v, SubId: %v, Meid: %v",params.Src, params.Mtype, params.SubId, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
- params.Mbuf = nil
+//-------------------------------------------------------------------
+// handle from XAPP Subscription Request
+//------------------------------------------------------------------
+func (c *Control) handleXAPPSubscriptionRequest(params *xapptweaks.RMRParams) {
+ xapp.Logger.Info("MSG from XAPP: %s", params.String())
- payloadSeqNum, err := c.e2ap.GetSubscriptionResponseSequenceNumber(params.Payload)
+ subReqMsg, err := c.e2ap.UnpackSubscriptionRequest(params.Payload)
if err != nil {
- err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error())
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, params))
return
}
- xapp.Logger.Info("Received payloadSeqNum: %v",payloadSeqNum)
- if !c.registry.IsValidSequenceNumber(payloadSeqNum) {
- err = errors.New("Unknown Subscription ID: " + strconv.Itoa(int(payloadSeqNum)) + " in Subscritpion Response. Message discarded.")
+ trans := c.tracker.NewXappTransaction(NewRmrEndpoint(params.Src), params.Xid, subReqMsg.RequestId.Seq, params.Meid)
+ if trans == nil {
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(fmt.Errorf("transaction not created"), params))
return
}
+ defer trans.Release()
-// c.timerMap.StopTimer(payloadSeqNum)
-
- c.registry.setSubscriptionToConfirmed(payloadSeqNum)
- var transaction Transaction
- transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, CREATE)
+ err = c.tracker.Track(trans)
if err != nil {
- xapp.Logger.Error("Failed to retrive transaction record. Err: %v", err)
- xapp.Logger.Info("Further processing of this Subscription Response stopped. SubId: %v, Xid: %s",params.SubId, params.Xid)
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
return
}
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Retrieved old subId...", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
- params.SubId = int(payloadSeqNum)
- params.Xid = transaction.OrigParams.Xid
-
- xapp.Logger.Info("Forwarding Subscription Response to UEEC: Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(params)
+ subs, err := c.registry.AssignToSubscription(trans, subReqMsg)
if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
+ return
}
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Deleting transaction record", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, CREATE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err)
- return
+ //
+ // Wake subs request
+ //
+ go c.handleSubscriptionCreate(subs, trans)
+ event, _ := trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
+
+ err = nil
+ if event != nil {
+ switch themsg := event.(type) {
+ case *e2ap.E2APSubscriptionResponse:
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionResponse(themsg)
+ if err == nil {
+ trans.Release()
+ c.rmrSendToXapp("", subs, trans)
+ return
+ }
+ case *e2ap.E2APSubscriptionFailure:
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionFailure(themsg)
+ if err == nil {
+ c.rmrSendToXapp("", subs, trans)
+ }
+ default:
+ break
+ }
}
- return
+ xapp.Logger.Info("XAPP-SubReq: failed %s", idstring(err, trans, subs))
+ c.registry.RemoveFromSubscription(subs, trans, 5*time.Second)
}
-func (c *Control) handleSubscriptionFailure(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Failure Received from Src: %s, Mtype: %v, SubId: %v, Meid: %v",params.Src, params.Mtype, params.SubId, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
- params.Mbuf = nil
+//-------------------------------------------------------------------
+// handle from XAPP Subscription Delete Request
+//------------------------------------------------------------------
+func (c *Control) handleXAPPSubscriptionDeleteRequest(params *xapptweaks.RMRParams) {
+ xapp.Logger.Info("MSG from XAPP: %s", params.String())
- payloadSeqNum, err := c.e2ap.GetSubscriptionFailureSequenceNumber(params.Payload)
+ subDelReqMsg, err := c.e2ap.UnpackSubscriptionDeleteRequest(params.Payload)
if err != nil {
- err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error())
+ xapp.Logger.Error("XAPP-SubDelReq %s", idstring(err, params))
return
}
- xapp.Logger.Info("Received payloadSeqNum: %v", payloadSeqNum)
-
- // should here be IsValidSequenceNumber check?
-// c.timerMap.StopTimer(payloadSeqNum)
-
- var transaction Transaction
- transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, CREATE)
- if err != nil {
- xapp.Logger.Error("Failed to retrive transaction record. Err %v", err)
- xapp.Logger.Info("Further processing of this Subscription Failure stopped. SubId: %v, Xid: %s",params.SubId, params.Xid)
+ trans := c.tracker.NewXappTransaction(NewRmrEndpoint(params.Src), params.Xid, subDelReqMsg.RequestId.Seq, params.Meid)
+ if trans == nil {
+ xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(fmt.Errorf("transaction not created"), params))
return
}
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Forwarding response to requestor...", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
+ defer trans.Release()
- params.SubId = int(payloadSeqNum)
- params.Xid = transaction.OrigParams.Xid
+ err = c.tracker.Track(trans)
+ if err != nil {
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
+ return
+ }
- xapp.Logger.Info("Forwarding Subscription Failure to UEEC: Mtype: %v, SubId: %v, Xid: %v, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(params)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{trans.GetSubId()})
if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(err, trans))
+ return
}
- time.Sleep(3 * time.Second)
+ //
+ // Wake subs delete
+ //
+ go c.handleSubscriptionDelete(subs, trans)
+ trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
- xapp.Logger.Info("Starting routing manager update")
- subRouteAction := SubRouteInfo{CREATE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ xapp.Logger.Debug("XAPP-SubDelReq: Handling event %s ", idstring(nil, trans, subs))
- xapp.Logger.Info("Deleting trancaction record")
- if c.registry.releaseSequenceNumber(payloadSeqNum) {
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, CREATE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err)
- return
- }
+ // Whatever is received send ok delete response
+ subDelRespMsg := &e2ap.E2APSubscriptionDeleteResponse{}
+ subDelRespMsg.RequestId = subs.GetReqId().RequestId
+ subDelRespMsg.FunctionId = subs.SubReqMsg.FunctionId
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteResponse(subDelRespMsg)
+ if err == nil {
+ c.rmrSendToXapp("", subs, trans)
}
- return
+
+ c.registry.RemoveFromSubscription(subs, trans, 5*time.Second)
}
-func (c *Control) handleSubscriptionRequestTimer(subId uint16) {
- xapp.Logger.Info("Subscription Request timer expired. SubId: %v",subId)
-/*
- transaction, err := c.tracker.completeTransaction(subId, CREATE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err)
- return
+//-------------------------------------------------------------------
+// SUBS CREATE Handling
+//-------------------------------------------------------------------
+func (c *Control) handleSubscriptionCreate(subs *Subscription, parentTrans *TransactionXapp) {
+
+ trans := c.tracker.NewSubsTransaction(subs)
+ subs.WaitTransactionTurn(trans)
+ defer subs.ReleaseTransactionTurn(trans)
+ defer trans.Release()
+
+ xapp.Logger.Debug("SUBS-SubReq: Handling %s ", idstring(nil, trans, subs, parentTrans))
+
+ subRfMsg, valid := subs.GetCachedResponse()
+ if subRfMsg == nil && valid == true {
+ event := c.sendE2TSubscriptionRequest(subs, trans, parentTrans)
+ switch event.(type) {
+ case *e2ap.E2APSubscriptionResponse:
+ subRfMsg, valid = subs.SetCachedResponse(event, true)
+ case *e2ap.E2APSubscriptionFailure:
+ subRfMsg, valid = subs.SetCachedResponse(event, false)
+ default:
+ xapp.Logger.Info("SUBS-SubReq: internal delete due event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
+ subRfMsg, valid = subs.SetCachedResponse(nil, false)
+ c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
+ }
+ xapp.Logger.Debug("SUBS-SubReq: Handling (e2t response %s) %s", typeofSubsMessage(subRfMsg), idstring(nil, trans, subs, parentTrans))
+ } else {
+ xapp.Logger.Debug("SUBS-SubReq: Handling (cached response %s) %s", typeofSubsMessage(subRfMsg), idstring(nil, trans, subs, parentTrans))
}
- xapp.Logger.Info("SubId: %v, Xid %v, Meid: %v",subId, transaction.OrigParams.Xid, transaction.OrigParams.Meid)
- var params xapp.RMRParams
- params.Mtype = 12012 //xapp.RICMessageTypes["RIC_SUB_FAILURE"]
- params.SubId = int(subId)
- params.Meid = transaction.OrigParams.Meid
- params.Xid = transaction.OrigParams.Xid
- payload := []byte("40C9408098000003EA7E00050000010016EA6300020021EA6E00808180EA6F000400000000EA6F000400010040EA6F000400020080EA6F0004000300C0EA6F000400040100EA6F000400050140EA6F000400060180EA6F0004000701C0EA6F000400080200EA6F000400090240EA6F0004000A0280EA6F0004000B02C0EA6F0004000C0300EA6F0004000D0340EA6F0004000E0380EA6F0004000F03C0")
- params.PayloadLen = len(payload)
- params.Payload = payload
+ parentTrans.SendEvent(subRfMsg, 0)
+}
- xapp.Logger.Info("Forwarding Subscription Failure to UEEC: Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(¶ms)
- if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
- }
-*/
-/*
- time.Sleep(3 * time.Second)
+//-------------------------------------------------------------------
+// SUBS DELETE Handling
+//-------------------------------------------------------------------
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Deleting transaction record", int(subId), transaction.XappInstanceAddress, transaction.XappPort)
+func (c *Control) handleSubscriptionDelete(subs *Subscription, parentTrans *TransactionXapp) {
- xapp.Logger.Info("Starting routing manager update")
- subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ trans := c.tracker.NewSubsTransaction(subs)
+ subs.WaitTransactionTurn(trans)
+ defer subs.ReleaseTransactionTurn(trans)
+ defer trans.Release()
- xapp.Logger.Info("Deleting trancaction record")
- if c.registry.releaseSequenceNumber(payloadSeqNum) {
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, CREATE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err)
- return
- }
+ xapp.Logger.Debug("SUBS-SubDelReq: Handling %s", idstring(nil, trans, subs, parentTrans))
+
+ subs.mutex.Lock()
+ if subs.valid && subs.EpList.HasEndpoint(parentTrans.GetEndpoint()) && subs.EpList.Size() == 1 {
+ subs.valid = false
+ subs.mutex.Unlock()
+ c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
+ } else {
+ subs.mutex.Unlock()
}
-*/
- return
+
+ parentTrans.SendEvent(nil, 0)
}
-func (act Action) String() string {
- actions := [...]string{
- "CREATE",
- "MERGE",
- "DELETE",
+//-------------------------------------------------------------------
+// send to E2T Subscription Request
+//-------------------------------------------------------------------
+func (c *Control) sendE2TSubscriptionRequest(subs *Subscription, trans *TransactionSubs, parentTrans *TransactionXapp) interface{} {
+ var err error
+ var event interface{} = nil
+ var timedOut bool = false
+
+ subReqMsg := subs.SubReqMsg
+ subReqMsg.RequestId = subs.GetReqId().RequestId
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionRequest(subReqMsg)
+ if err != nil {
+ xapp.Logger.Error("SUBS-SubReq: %s", idstring(err, trans, subs, parentTrans))
+ return event
}
- if act < CREATE || act > DELETE {
- return "Unknown"
+ for retries := uint64(0); retries < e2tMaxSubReqTryCount; retries++ {
+ desc := fmt.Sprintf("(retry %d)", retries)
+ c.rmrSendToE2T(desc, subs, trans)
+ event, timedOut = trans.WaitEvent(e2tSubReqTimeout)
+ if timedOut {
+ continue
+ }
+ break
}
- return actions[act]
+ xapp.Logger.Debug("SUBS-SubReq: Response handling event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
+ return event
}
-func (act Action) valid() bool {
- switch act {
- case CREATE, MERGE, DELETE:
- return true
- default:
- return false
- }
-}
+//-------------------------------------------------------------------
+// send to E2T Subscription Delete Request
+//-------------------------------------------------------------------
-func (c *Control) handleSubscriptionDeleteRequest(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Delete Request Received from Src: %s, Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Src, params.Mtype, params.SubId, params.Xid, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
- params.Mbuf = nil
+func (c *Control) sendE2TSubscriptionDeleteRequest(subs *Subscription, trans *TransactionSubs, parentTrans *TransactionXapp) interface{} {
+ var err error
+ var event interface{}
+ var timedOut bool
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteRequestSequenceNumber(params.Payload)
+ subDelReqMsg := &e2ap.E2APSubscriptionDeleteRequest{}
+ subDelReqMsg.RequestId = subs.GetReqId().RequestId
+ subDelReqMsg.FunctionId = subs.SubReqMsg.FunctionId
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteRequest(subDelReqMsg)
if err != nil {
- err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error())
- return
+ xapp.Logger.Error("SUBS-SubDelReq: %s", idstring(err, trans, subs, parentTrans))
+ return event
}
- xapp.Logger.Info("Received payloadSeqNum: %v", payloadSeqNum)
- if c.registry.IsValidSequenceNumber(payloadSeqNum) {
- c.registry.deleteSubscription(payloadSeqNum)
- trackErr := c.trackDeleteTransaction(params, payloadSeqNum)
- if trackErr != nil {
- xapp.Logger.Error("Failed to create a Subscription Delete Request transaction record due to %v", trackErr)
- return trackErr
+
+ for retries := uint64(0); retries < e2tMaxSubDelReqTryCount; retries++ {
+ desc := fmt.Sprintf("(retry %d)", retries)
+ c.rmrSendToE2T(desc, subs, trans)
+ event, timedOut = trans.WaitEvent(e2tSubDelReqTime)
+ if timedOut {
+ continue
}
+ break
}
-
- xapp.Logger.Info("Forwarding Delete Subscription Request to E2T: Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- c.rmrSend(params)
- if err != nil {
- xapp.Logger.Error("Failed to send request to E2T %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
- } /*else {
- c.timerMap.StartTimer(payloadSeqNum, SubDelReqTime, c.handleSubscriptionDeleteRequestTimer)
- }*/
- return
+ xapp.Logger.Debug("SUBS-SubDelReq: Response handling event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
+ return event
}
-func (c *Control) trackDeleteTransaction(params *xapp.RMRParams, payloadSeqNum uint16) (err error) {
- srcAddr, srcPort, err := c.rtmgrClient.SplitSource(params.Src)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Reponse
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionResponse(params *xapptweaks.RMRParams) {
+ xapp.Logger.Info("MSG from E2T: %s", params.String())
+ subRespMsg, err := c.e2ap.UnpackSubscriptionResponse(params.Payload)
if err != nil {
- xapp.Logger.Error("Failed to update routing-manager about the subscription delete request with reason: %s", err)
+ xapp.Logger.Error("MSG-SubResp %s", idstring(err, params))
+ return
+ }
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{subRespMsg.RequestId.Seq})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubResp: %s", idstring(err, params))
+ return
+ }
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubResp: %s", idstring(err, params, subs))
+ return
+ }
+ sendOk, timedOut := trans.SendEvent(subRespMsg, e2tRecvMsgTimeout)
+ if sendOk == false {
+ err = fmt.Errorf("Passing event to transaction failed: sendOk(%t) timedOut(%t)", sendOk, timedOut)
+ xapp.Logger.Error("MSG-SubResp: %s", idstring(err, trans, subs))
}
- xactKey := TransactionKey{payloadSeqNum, DELETE}
- xactValue := Transaction{*srcAddr, *srcPort, params}
- err = c.tracker.TrackTransaction(xactKey, xactValue)
return
}
-func (c *Control) handleSubscriptionDeleteResponse(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Delete Response Received from Src: %s, Mtype: %v, SubId: %v, Meid: %v",params.Src, params.Mtype, params.SubId, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
- params.Mbuf = nil
-
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteResponseSequenceNumber(params.Payload)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Failure
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionFailure(params *xapptweaks.RMRParams) {
+ xapp.Logger.Info("MSG from E2T: %s", params.String())
+ subFailMsg, err := c.e2ap.UnpackSubscriptionFailure(params.Payload)
if err != nil {
- err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error())
+ xapp.Logger.Error("MSG-SubFail %s", idstring(err, params))
return
}
- xapp.Logger.Info("Received payloadSeqNum: %v", payloadSeqNum)
-
- // should here be IsValidSequenceNumber check?
-// c.timerMap.StopTimer(payloadSeqNum)
-
- var transaction Transaction
- transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
- if err != nil {
- xapp.Logger.Error("Failed to retrive transaction record. Err %v", err)
- xapp.Logger.Info("Further processing of this Subscription Delete Response stopped. SubId: %v, Xid: %s",params.SubId, params.Xid)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{subFailMsg.RequestId.Seq})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubFail: %s", idstring(err, params))
return
}
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Forwarding response to requestor...", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
-
- params.SubId = int(payloadSeqNum)
- params.Xid = transaction.OrigParams.Xid
- xapp.Logger.Info("Forwarding Subscription Delete Response to UEEC: Mtype: %v, SubId: %v, Xid: %v, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(params)
- if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
-// return
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubFail: %s", idstring(err, params, subs))
+ return
}
-
- time.Sleep(3 * time.Second)
-
- xapp.Logger.Info("Starting routing manager update")
- subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
-
- xapp.Logger.Info("Deleting trancaction record")
- if c.registry.releaseSequenceNumber(payloadSeqNum) {
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, DELETE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err)
- return
- }
+ sendOk, timedOut := trans.SendEvent(subFailMsg, e2tRecvMsgTimeout)
+ if sendOk == false {
+ err = fmt.Errorf("Passing event to transaction failed: sendOk(%t) timedOut(%t)", sendOk, timedOut)
+ xapp.Logger.Error("MSG-SubFail: %s", idstring(err, trans, subs))
}
return
}
-func (c *Control) handleSubscriptionDeleteFailure(params *xapp.RMRParams) (err error) {
- xapp.Logger.Info("Subscription Delete Failure Received from Src: %s, Mtype: %v, SubId: %v, Meid: %v",params.Src, params.Mtype, params.SubId, params.Meid)
- xapp.Rmr.Free(params.Mbuf)
- params.Mbuf = nil
-
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteFailureSequenceNumber(params.Payload)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Delete Response
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionDeleteResponse(params *xapptweaks.RMRParams) (err error) {
+ xapp.Logger.Info("MSG from E2T: %s", params.String())
+ subDelRespMsg, err := c.e2ap.UnpackSubscriptionDeleteResponse(params.Payload)
if err != nil {
- err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error())
+ xapp.Logger.Error("MSG-SubDelResp: %s", idstring(err, params))
return
}
- xapp.Logger.Info("Received payloadSeqNum: %v", payloadSeqNum)
-
- // should here be IsValidSequenceNumber check?
-// c.timerMap.StopTimer(payloadSeqNum)
-
- var transaction Transaction
- transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
- if err != nil {
- xapp.Logger.Error("Failed to retrive transaction record. Err %v", err)
- xapp.Logger.Info("Further processing of this Subscription Delete Failure stopped. SubId: %v, Xid: %s",params.SubId, params.Xid)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{subDelRespMsg.RequestId.Seq})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubDelResp: %s", idstring(err, params))
return
}
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Forwarding response to requestor...", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
-
- params.SubId = int(payloadSeqNum)
- params.Xid = transaction.OrigParams.Xid
- xapp.Logger.Info("Forwarding Subscription Delete Failure to UEEC: Mtype: %v, SubId: %v, Xid: %v, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(params)
- if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
-// return
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubDelResp: %s", idstring(err, params, subs))
+ return
}
-
- time.Sleep(3 * time.Second)
-
- xapp.Logger.Info("Starting routing manager update")
- subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
-
- xapp.Logger.Info("Deleting trancaction record")
- if c.registry.releaseSequenceNumber(payloadSeqNum) {
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, DELETE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err)
- return
- }
+ sendOk, timedOut := trans.SendEvent(subDelRespMsg, e2tRecvMsgTimeout)
+ if sendOk == false {
+ err = fmt.Errorf("Passing event to transaction failed: sendOk(%t) timedOut(%t)", sendOk, timedOut)
+ xapp.Logger.Error("MSG-SubDelResp: %s", idstring(err, trans, subs))
}
return
}
-func (c *Control) handleSubscriptionDeleteRequestTimer(subId uint16) {
- xapp.Logger.Info("Subscription Delete Request timer expired. SubId: %v",subId)
-/*
- transaction, err := c.tracker.completeTransaction(subId, DELETE)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Delete Failure
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionDeleteFailure(params *xapptweaks.RMRParams) {
+ xapp.Logger.Info("MSG from E2T: %s", params.String())
+ subDelFailMsg, err := c.e2ap.UnpackSubscriptionDeleteFailure(params.Payload)
if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err)
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, params))
return
}
- xapp.Logger.Info("SubId: %v, Xid %v, Meid: %v",subId, transaction.OrigParams.Xid, transaction.OrigParams.Meid)
-
- var params xapp.RMRParams
- params.Mtype = 12022 //xapp.RICMessageTypes["RIC_SUB_DEL_FAILURE"]
- params.SubId = int(subId)
- params.Meid = transaction.OrigParams.Meid
- params.Xid = transaction.OrigParams.Xid
- payload := []byte("40CA4018000003EA7E00050000010016EA6300020021EA74000200C0")
- params.PayloadLen = len(payload)
- params.Payload = payload
-
- xapp.Logger.Info("Forwarding Subscription Delete Failure to UEEC: Mtype: %v, SubId: %v, Xid: %s, Meid: %v",params.Mtype, params.SubId, params.Xid, params.Meid)
- err = c.rmrReplyToSender(¶ms)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{subDelFailMsg.RequestId.Seq})
if err != nil {
- xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, params))
+ return
}
-*/
-/*
- time.Sleep(3 * time.Second)
- xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Deleting transaction record", int(subId), transaction.XappInstanceAddress, transaction.XappPort)
-
- xapp.Logger.Info("Starting routing manager update")
- subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
- c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
-
- xapp.Logger.Info("Deleting trancaction record")
- if c.registry.releaseSequenceNumber(payloadSeqNum) {
- transaction, err = c.tracker.completeTransaction(payloadSeqNum, DELETE)
- if err != nil {
- xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err)
- return
- }
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, params, subs))
+ return
+ }
+ sendOk, timedOut := trans.SendEvent(subDelFailMsg, e2tRecvMsgTimeout)
+ if sendOk == false {
+ err = fmt.Errorf("Passing event to transaction failed: sendOk(%t) timedOut(%t)", sendOk, timedOut)
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, trans, subs))
}
-*/
return
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func typeofSubsMessage(v interface{}) string {
+ if v == nil {
+ return "NIL"
+ }
+ switch v.(type) {
+ case *e2ap.E2APSubscriptionRequest:
+ return "SubReq"
+ case *e2ap.E2APSubscriptionResponse:
+ return "SubResp"
+ case *e2ap.E2APSubscriptionFailure:
+ return "SubFail"
+ case *e2ap.E2APSubscriptionDeleteRequest:
+ return "SubDelReq"
+ case *e2ap.E2APSubscriptionDeleteResponse:
+ return "SubDelResp"
+ case *e2ap.E2APSubscriptionDeleteFailure:
+ return "SubDelFail"
+ default:
+ return "Unknown"
}
+}
Code Review / ric-plt / submgr.git / blobdiff