import (
"fmt"
- //"gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/packer"
+ "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/xapp-frame/pkg/xapp"
httptransport "github.com/go-openapi/runtime/client"
"github.com/go-openapi/strfmt"
"github.com/spf13/viper"
- "math/rand"
"sync"
"time"
)
//
//-----------------------------------------------------------------------------
-var subReqTime time.Duration = 5 * time.Second
-var subDelReqTime time.Duration = 5 * time.Second
-var maxSubReqTryCount uint64 = 2 // Initial try + retry
-var maxSubDelReqTryCount uint64 = 2 // Initial try + retry
+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 e2tRecvMsgTimeout time.Duration = 5 * time.Second
type Control struct {
e2ap *E2ap
registry *Registry
- rtmgrClient *RtmgrClient
tracker *Tracker
timerMap *TimerMap
rmrSendMutex sync.Mutex
RanName string
}
-var seedSN uint16
-
const (
CREATE Action = 0
- MERGE Action = 1
+ UPDATE Action = 1
NONE Action = 2
DELETE Action = 3
)
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 {
+ 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()
- 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}
-
- rtmgrClientPtr := &rtmgrClient
-
- //TODO: to make this better. Now it is just a hack.
- registry.rtmgrClient = rtmgrClientPtr
-
return &Control{e2ap: new(E2ap),
- registry: registry,
- rtmgrClient: rtmgrClientPtr,
- tracker: tracker,
- timerMap: timerMap,
- msgCounter: 0,
+ registry: registry,
+ tracker: tracker,
+ timerMap: timerMap,
+ msgCounter: 0,
}
}
return
}
-func (c *Control) rmrSend(desc string, subs *Subscription, trans *Transaction, payload []byte, payloadLen int) (err error) {
+func (c *Control) rmrSend(desc string, subs *Subscription, trans *Transaction) (err error) {
params := &RMRParams{&xapp.RMRParams{}}
params.Mtype = trans.GetMtype()
params.SubId = int(subs.GetSubId())
- params.Xid = trans.GetXid()
+ params.Xid = ""
params.Meid = subs.GetMeid()
params.Src = ""
- params.PayloadLen = payloadLen
- params.Payload = payload
+ params.PayloadLen = len(trans.Payload.Buf)
+ params.Payload = trans.Payload.Buf
params.Mbuf = nil
return c.rmrSendRaw(desc, params)
}
-func (c *Control) rmrReplyToSender(desc string, subs *Subscription, trans *Transaction, mType int, payload []byte, payloadLen int) (err error) {
+func (c *Control) rmrReplyToSender(desc string, subs *Subscription, trans *Transaction) (err error) {
params := &RMRParams{&xapp.RMRParams{}}
- params.Mtype = mType
+ params.Mtype = trans.GetMtype()
params.SubId = int(subs.GetSubId())
params.Xid = trans.GetXid()
- params.Meid = subs.GetMeid()
+ params.Meid = trans.GetMeid()
params.Src = ""
- params.PayloadLen = payloadLen
- params.Payload = payload
+ params.PayloadLen = len(trans.Payload.Buf)
+ params.Payload = trans.Payload.Buf
params.Mbuf = nil
return c.rmrSendRaw(desc, params)
func (c *Control) Consume(params *xapp.RMRParams) (err error) {
xapp.Rmr.Free(params.Mbuf)
params.Mbuf = nil
-
msg := &RMRParams{params}
-
c.msgCounter++
-
switch msg.Mtype {
case xapp.RICMessageTypes["RIC_SUB_REQ"]:
- go c.handleSubscriptionRequest(msg)
+ go c.handleXAPPSubscriptionRequest(msg)
case xapp.RICMessageTypes["RIC_SUB_RESP"]:
- go c.handleSubscriptionResponse(msg)
+ go c.handleE2TSubscriptionResponse(msg)
case xapp.RICMessageTypes["RIC_SUB_FAILURE"]:
- go c.handleSubscriptionFailure(msg)
+ go c.handleE2TSubscriptionFailure(msg)
case xapp.RICMessageTypes["RIC_SUB_DEL_REQ"]:
- go c.handleSubscriptionDeleteRequest(msg)
+ go c.handleXAPPSubscriptionDeleteRequest(msg)
case xapp.RICMessageTypes["RIC_SUB_DEL_RESP"]:
- go c.handleSubscriptionDeleteResponse(msg)
+ go c.handleE2TSubscriptionDeleteResponse(msg)
case xapp.RICMessageTypes["RIC_SUB_DEL_FAILURE"]:
- go c.handleSubscriptionDeleteFailure(msg)
+ go c.handleE2TSubscriptionDeleteFailure(msg)
default:
xapp.Logger.Info("Unknown Message Type '%d', discarding", msg.Mtype)
}
+
return nil
}
-
-func (c *Control) handleSubscriptionRequest(params *RMRParams) {
- xapp.Logger.Info("SubReq from xapp: %s", params.String())
-
- srcAddr, srcPort, err := c.rtmgrClient.SplitSource(params.Src)
- if err != nil {
- xapp.Logger.Error("SubReq: Failed to update routing-manager. Dropping this msg. Err: %s, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
- return
+func idstring(trans fmt.Stringer, subs fmt.Stringer, err error) string {
+ var retval string = ""
+ var filler string = ""
+ if trans != nil {
+ retval += filler + trans.String()
+ filler = " "
}
-
- subs, err := c.registry.ReserveSubscription(RmrEndpoint{*srcAddr, *srcPort}, params.Meid)
- if err != nil {
- xapp.Logger.Error("SubReq: %s, Dropping this msg.", err.Error())
- return
+ if subs != nil {
+ retval += filler + subs.String()
+ filler = " "
}
-
- //
- // WIP RICPLT-2979
- //
- /*
- e2SubReq := packerif.NewPackerSubscriptionRequest()
- packedData := &packer.PackedData{}
- packedData.Buf = params.Payload
- err = e2SubReq.UnPack(packedData)
- if err != nil {
- xapp.Logger.Error("SubReq: UnPack() failed: %s", err.Error())
- }
- getErr, subReq := e2SubReq.Get()
- if getErr != nil {
- xapp.Logger.Error("SubReq: Get() failed: %s", err.Error())
- }
-
-
- subReq.RequestId.Seq = uint32(subs.GetSubId())
-
- err = e2SubReq.Set(subReq)
- if err != nil {
- xapp.Logger.Error("SubReq: Set() failed: %s", err.Error())
- return
- }
- err, packedData = e2SubReq.Pack(nil)
- if err != nil {
- xapp.Logger.Error("SubReq: Pack() failed: %s", err.Error())
- return
- }
-
- params.PayloadLen = len(packedData.Buf)
- params.Payload = packedData.Buf
- */
- //
- //
- //
-
- params.SubId = int(subs.GetSubId())
- err = c.e2ap.SetSubscriptionRequestSequenceNumber(params.Payload, subs.GetSubId())
if err != nil {
- xapp.Logger.Error("SubReq: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, %s", err, params.String())
- c.registry.DelSubscription(subs.Seq)
- return
+ retval += filler + "err(" + err.Error() + ")"
+ filler = " "
+
}
+ return retval
+}
+
+//-------------------------------------------------------------------
+// handle from XAPP Subscription Request
+//------------------------------------------------------------------
+func (c *Control) handleXAPPSubscriptionRequest(params *RMRParams) {
+ xapp.Logger.Info("XAPP-SubReq from xapp: %s", params.String())
- // Create transatcion record for every subscription request
- var forwardRespToXapp bool = true
- var responseReceived bool = false
- trans, err := c.tracker.TrackTransaction(RmrEndpoint{*srcAddr, *srcPort}, params, responseReceived, forwardRespToXapp)
+ subReqMsg, err := c.e2ap.UnpackSubscriptionRequest(params.Payload)
if err != nil {
- xapp.Logger.Error("SubReq: %s, Dropping this msg.", err.Error())
- c.registry.DelSubscription(subs.Seq)
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(params, nil, err))
return
}
- err = subs.SetTransaction(trans)
+ trans, err := c.tracker.TrackTransaction(NewRmrEndpoint(params.Src), params.Xid, params.Meid)
if err != nil {
- xapp.Logger.Error("SubReq: %s, Dropping this msg.", err.Error())
- c.registry.DelSubscription(subs.Seq)
- trans.Release()
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(params, nil, err))
return
}
+ defer trans.Release()
- c.rmrSend("SubReq to E2T", subs, trans, params.Payload, params.PayloadLen)
-
- c.timerMap.StartTimer("RIC_SUB_REQ", int(subs.Seq), subReqTime, FirstTry, c.handleSubscriptionRequestTimer)
- xapp.Logger.Debug("SubReq: Debugging trans table = %v", c.tracker.transactionXappTable)
- return
-}
-
-func (c *Control) handleSubscriptionResponse(params *RMRParams) {
- xapp.Logger.Info("SubResp from E2T: %s", params.String())
-
- payloadSeqNum, err := c.e2ap.GetSubscriptionResponseSequenceNumber(params.Payload)
+ subs, err := c.registry.AssignToSubscription(trans, subReqMsg)
if err != nil {
- xapp.Logger.Error("SubResp: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s, Payload %X", err, params.SubId, params.Xid, params.Payload)
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(trans, nil, err))
return
}
- xapp.Logger.Info("SubResp: Received payloadSeqNum: %v", payloadSeqNum)
- subs := c.registry.GetSubscription(payloadSeqNum)
- if subs == nil {
- xapp.Logger.Error("SubResp: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ if subs.IsTransactionReserved() {
+ err := fmt.Errorf("Currently parallel or queued transactions are not allowed")
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(trans, subs, err))
return
}
- trans := subs.GetTransaction()
-
- c.timerMap.StopTimer("RIC_SUB_REQ", int(payloadSeqNum))
-
- responseReceived := trans.CheckResponseReceived()
- if responseReceived == true {
- // Subscription timer already received
- 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 {
+ c.rmrReplyToSender("XAPP-SubReq: SubResp to xapp", subs, trans)
+ return
+ }
+ case *e2ap.E2APSubscriptionFailure:
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionFailure(themsg)
+ if err == nil {
+ c.rmrReplyToSender("XAPP-SubReq: SubFail to xapp", subs, trans)
+ }
+ return
+ default:
+ break
+ }
}
-
- subs.Confirmed()
- trans.Release()
- c.rmrReplyToSender("SubResp to xapp", subs, trans, params.Mtype, params.Payload, params.PayloadLen)
- xapp.Logger.Info("SubResp: SubId: %v, from address: %s. Deleting trans record", payloadSeqNum, trans.RmrEndpoint)
- return
+ xapp.Logger.Info("XAPP-SubReq: failed %s", idstring(trans, subs, err))
}
-func (c *Control) handleSubscriptionFailure(params *RMRParams) {
- xapp.Logger.Info("SubFail from E2T: %s", params.String())
+//-------------------------------------------------------------------
+// handle from XAPP Subscription Delete Request
+//------------------------------------------------------------------
+func (c *Control) handleXAPPSubscriptionDeleteRequest(params *RMRParams) {
+ xapp.Logger.Info("XAPP-SubDelReq from xapp: %s", params.String())
- payloadSeqNum, err := c.e2ap.GetSubscriptionFailureSequenceNumber(params.Payload)
+ subDelReqMsg, err := c.e2ap.UnpackSubscriptionDeleteRequest(params.Payload)
if err != nil {
- xapp.Logger.Error("SubFail: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s, Payload %X", err, params.SubId, params.Xid, params.Payload)
- return
- }
- xapp.Logger.Info("SubFail: Received payloadSeqNum: %v", payloadSeqNum)
-
- subs := c.registry.GetSubscription(payloadSeqNum)
- if subs == nil {
- xapp.Logger.Error("SubFail: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ xapp.Logger.Error("XAPP-SubDelReq %s", idstring(params, nil, err))
return
}
- trans := subs.GetTransaction()
- if trans == nil {
- xapp.Logger.Error("SubFail: Unknown trans. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ trans, err := c.tracker.TrackTransaction(NewRmrEndpoint(params.Src), params.Xid, params.Meid)
+ if err != nil {
+ xapp.Logger.Error("XAPP-SubDelReq %s", idstring(params, nil, err))
return
}
+ defer trans.Release()
- c.timerMap.StopTimer("RIC_SUB_REQ", int(payloadSeqNum))
-
- responseReceived := trans.CheckResponseReceived()
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint16{uint16(subDelReqMsg.RequestId.Seq), uint16(params.SubId)})
if err != nil {
- xapp.Logger.Info("SubFail: Dropping this msg. Err: %v SubId: %v", err, payloadSeqNum)
+ xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(trans, nil, err))
return
}
- if responseReceived == true {
- // Subscription timer already received
+ if subs.IsTransactionReserved() {
+ err := fmt.Errorf("Currently parallel or queued transactions are not allowed")
+ xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(trans, subs, err))
return
}
- xapp.Logger.Info("SubFail: SubId: %v, from address: %s. Forwarding response to xApp", payloadSeqNum, trans.RmrEndpoint)
-
- c.rmrReplyToSender("SubFail to xapp", subs, trans, params.Mtype, params.Payload, params.PayloadLen)
-
- time.Sleep(3 * time.Second)
- xapp.Logger.Info("SubFail: Deleting trans record. SubId: %v, Xid: %s", params.SubId, params.Xid)
- trans.Release()
- if !c.registry.DelSubscription(payloadSeqNum) {
- xapp.Logger.Error("SubFail: Failed to release sequency number. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ //
+ // Wake subs delete
+ //
+ go c.handleSubscriptionDelete(subs, trans)
+ trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
+
+ // Whatever is received send ok delete response
+ subDelRespMsg := &e2ap.E2APSubscriptionDeleteResponse{}
+ subDelRespMsg.RequestId.Id = subs.SubReqMsg.RequestId.Id
+ subDelRespMsg.RequestId.Seq = uint32(subs.GetSubId())
+ subDelRespMsg.FunctionId = subs.SubReqMsg.FunctionId
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteResponse(subDelRespMsg)
+ if err == nil {
+ c.rmrReplyToSender("XAPP-SubDelReq: SubDelResp to xapp", subs, trans)
}
- return
}
-func (c *Control) handleSubscriptionRequestTimer(strId string, nbrId int, tryCount uint64) {
- xapp.Logger.Info("SubReq timeout: subId: %v, tryCount: %v", nbrId, tryCount)
+//-------------------------------------------------------------------
+// SUBS CREATE Handling
+//-------------------------------------------------------------------
+func (c *Control) handleSubscriptionCreate(subs *Subscription, parentTrans *Transaction) {
- subs := c.registry.GetSubscription(uint16(nbrId))
- if subs == nil {
- xapp.Logger.Error("SubReq timeout: Unknown payloadSeqNum. Dropping this msg. SubId: %v", nbrId)
- return
- }
+ trans := c.tracker.NewTransaction(subs.GetMeid())
+ subs.WaitTransactionTurn(trans)
+ defer subs.ReleaseTransactionTurn(trans)
+ defer trans.Release()
- trans := subs.GetTransaction()
- if trans == nil {
- xapp.Logger.Error("SubReq timeout: Unknown trans. Dropping this msg. SubId: %v", subs.GetSubId())
+ xapp.Logger.Debug("SUBS-SubReq: Handling %s parent %s", idstring(trans, subs, nil), parentTrans.String())
+
+ if subs.SubRespMsg != nil {
+ xapp.Logger.Debug("SUBS-SubReq: Handling (immediate response) %s parent %s", idstring(nil, subs, nil), parentTrans.String())
+ parentTrans.SendEvent(subs.SubRespMsg, 0)
return
}
- responseReceived := trans.CheckResponseReceived()
-
- if responseReceived == true {
- // Subscription Response or Failure already received
+ event := c.sendE2TSubscriptionRequest(subs, trans, parentTrans)
+ switch themsg := event.(type) {
+ case *e2ap.E2APSubscriptionResponse:
+ subs.SubRespMsg = themsg
+ parentTrans.SendEvent(event, 0)
return
+ case *e2ap.E2APSubscriptionFailure:
+ //TODO: Possible delete and one retry for subs req
+ parentTrans.SendEvent(event, 0)
+ default:
+ xapp.Logger.Info("SUBS-SubReq: internal delete due event(%s) %s", typeofSubsMessage(event), idstring(trans, subs, nil))
+ c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
+ parentTrans.SendEvent(nil, 0)
}
- if tryCount < maxSubReqTryCount {
- xapp.Logger.Info("SubReq timeout: Resending SubReq to E2T: Mtype: %v, SubId: %v, Xid %s, Meid %v", trans.OrigParams.Mtype, subs.GetSubId(), trans.GetXid(), subs.GetMeid())
+ go c.registry.RemoveFromSubscription(subs, parentTrans, 5*time.Second)
+}
- trans.RetryTransaction()
+//-------------------------------------------------------------------
+// SUBS DELETE Handling
+//-------------------------------------------------------------------
+func (c *Control) handleSubscriptionDelete(subs *Subscription, parentTrans *Transaction) {
- c.rmrSend("SubReq(SubReq timer) to E2T", subs, trans, trans.OrigParams.Payload, trans.OrigParams.PayloadLen)
+ trans := c.tracker.NewTransaction(subs.GetMeid())
+ subs.WaitTransactionTurn(trans)
+ defer subs.ReleaseTransactionTurn(trans)
+ defer trans.Release()
- tryCount++
- c.timerMap.StartTimer("RIC_SUB_REQ", int(subs.GetSubId()), subReqTime, tryCount, c.handleSubscriptionRequestTimer)
- return
- }
+ xapp.Logger.Debug("SUBS-SubDelReq: Handling %s parent %s", idstring(trans, subs, nil), parentTrans.String())
- var subDelReqPayload []byte
- subDelReqPayload, err := c.e2ap.PackSubscriptionDeleteRequest(trans.OrigParams.Payload, subs.GetSubId())
- if err != nil {
- xapp.Logger.Error("SubReq timeout: Packing SubDelReq failed. Err: %v", err)
- return
- }
+ event := c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
- // Cancel failed subscription
- params := &RMRParams{&xapp.RMRParams{}}
- params.Mtype = 12020 // RIC SUBSCRIPTION DELETE
- params.SubId = int(subs.GetSubId())
- params.Xid = trans.GetXid()
- params.Meid = subs.GetMeid()
- params.Src = trans.OrigParams.Src
- params.PayloadLen = len(subDelReqPayload)
- params.Payload = subDelReqPayload
- params.Mbuf = nil
-
- // Delete CREATE transaction
- trans.Release()
+ parentTrans.SendEvent(event, 0)
+ go c.registry.RemoveFromSubscription(subs, parentTrans, 5*time.Second)
+}
- // Create DELETE transaction (internal and no messages toward xapp)
- var forwardRespToXapp bool = false
- var respReceived bool = false
- deltrans, err := c.tracker.TrackTransaction(trans.RmrEndpoint, params, respReceived, forwardRespToXapp)
+//-------------------------------------------------------------------
+// send to E2T Subscription Request
+//-------------------------------------------------------------------
+func (c *Control) sendE2TSubscriptionRequest(subs *Subscription, trans *Transaction, parentTrans *Transaction) interface{} {
+ var err error
+ var event interface{} = nil
+ var timedOut bool = false
+
+ subReqMsg := subs.SubReqMsg
+ subReqMsg.RequestId.Id = 123
+ subReqMsg.RequestId.Seq = uint32(subs.GetSubId())
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionRequest(subReqMsg)
if err != nil {
- xapp.Logger.Error("SubReq timeout: %s, Dropping this msg.", err.Error())
- return
+ xapp.Logger.Error("SUBS-SubReq: %s parent %s", idstring(trans, subs, err), parentTrans.String())
+ return event
}
- err = subs.SetTransaction(deltrans)
- if err != nil {
- xapp.Logger.Error("SubReq timeout: %s, Dropping this msg.", err.Error())
- deltrans.Release()
- return
+ for retries := uint64(0); retries < e2tMaxSubReqTryCount; retries++ {
+ desc := fmt.Sprintf("SUBS-SubReq: SubReq to E2T (retry %d)", retries)
+ c.rmrSend(desc, subs, trans)
+ event, timedOut = trans.WaitEvent(e2tSubReqTimeout)
+ if timedOut {
+ continue
+ }
+ break
}
-
- c.rmrSend("SubDelReq(SubReq timer) to E2T", subs, deltrans, deltrans.OrigParams.Payload, deltrans.OrigParams.PayloadLen)
-
- c.timerMap.StartTimer("RIC_SUB_DEL_REQ", int(subs.GetSubId()), subDelReqTime, FirstTry, c.handleSubscriptionDeleteRequestTimer)
- return
+ xapp.Logger.Debug("SUBS-SubReq: Response handling event(%s) %s parent %s", typeofSubsMessage(event), idstring(trans, subs, nil), parentTrans.String())
+ return event
}
-func (c *Control) handleSubscriptionDeleteRequest(params *RMRParams) {
- xapp.Logger.Info("SubDelReq from xapp: %s", params.String())
+//-------------------------------------------------------------------
+// send to E2T Subscription Delete Request
+//-------------------------------------------------------------------
- srcAddr, srcPort, err := c.rtmgrClient.SplitSource(params.Src)
- if err != nil {
- xapp.Logger.Error("SubDelReq: Failed to update routing-manager. Dropping this msg. Err: %s, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
- return
- }
+func (c *Control) sendE2TSubscriptionDeleteRequest(subs *Subscription, trans *Transaction, parentTrans *Transaction) interface{} {
+ var err error
+ var event interface{}
+ var timedOut bool
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteRequestSequenceNumber(params.Payload)
+ subDelReqMsg := &e2ap.E2APSubscriptionDeleteRequest{}
+ subDelReqMsg.RequestId.Id = 123
+ subDelReqMsg.RequestId.Seq = uint32(subs.GetSubId())
+ subDelReqMsg.FunctionId = subs.SubReqMsg.FunctionId
+ trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteRequest(subDelReqMsg)
if err != nil {
- xapp.Logger.Error("SubDelReq: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s, Payload %X", err, params.SubId, params.Xid, params.Payload)
- return
+ xapp.Logger.Error("SUBS-SubDelReq: %s parent %s", idstring(trans, subs, err), parentTrans.String())
+ return event
}
- xapp.Logger.Info("SubDelReq: Received payloadSeqNum: %v", payloadSeqNum)
- subs := c.registry.GetSubscription(payloadSeqNum)
- if subs == nil {
- xapp.Logger.Error("SubDelReq: Not valid sequence number. Dropping this msg. SubId: %v, Xid: %s", params.SubId, params.Xid)
- return
+ for retries := uint64(0); retries < e2tMaxSubDelReqTryCount; retries++ {
+ desc := fmt.Sprintf("SUBS-SubDelReq: SubDelReq to E2T (retry %d)", retries)
+ c.rmrSend(desc, subs, trans)
+ event, timedOut = trans.WaitEvent(e2tSubDelReqTime)
+ if timedOut {
+ continue
+ }
+ break
}
+ xapp.Logger.Debug("SUBS-SubDelReq: Response handling event(%s) %s parent %s", typeofSubsMessage(event), idstring(trans, subs, nil), parentTrans.String())
+ return event
+}
- var forwardRespToXapp bool = true
- var respReceived bool = false
- trans, err := c.tracker.TrackTransaction(RmrEndpoint{*srcAddr, *srcPort}, params, respReceived, forwardRespToXapp)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Reponse
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionResponse(params *RMRParams) {
+ xapp.Logger.Info("MSG-SubResp from E2T: %s", params.String())
+ subRespMsg, err := c.e2ap.UnpackSubscriptionResponse(params.Payload)
if err != nil {
- xapp.Logger.Error("SubDelReq: %s, Dropping this msg.", err.Error())
+ xapp.Logger.Error("MSG-SubResp %s", idstring(params, nil, err))
return
}
-
- err = subs.SetTransaction(trans)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint16{uint16(subRespMsg.RequestId.Seq), uint16(params.SubId)})
if err != nil {
- xapp.Logger.Error("SubDelReq: %s, Dropping this msg.", err.Error())
- trans.Release()
+ xapp.Logger.Error("MSG-SubResp: %s", idstring(params, nil, err))
return
}
-
- subs.UnConfirmed()
-
- c.rmrSend("SubDelReq to E2T", subs, trans, trans.OrigParams.Payload, trans.OrigParams.PayloadLen)
-
- c.timerMap.StartTimer("RIC_SUB_DEL_REQ", int(subs.GetSubId()), subDelReqTime, FirstTry, c.handleSubscriptionDeleteRequestTimer)
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubResp: %s", idstring(params, subs, err))
+ 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(trans, subs, err))
+ }
return
}
-func (c *Control) handleSubscriptionDeleteResponse(params *RMRParams) (err error) {
- xapp.Logger.Info("SubDelResp from E2T:%s", params.String())
-
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteResponseSequenceNumber(params.Payload)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Failure
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionFailure(params *RMRParams) {
+ xapp.Logger.Info("MSG-SubFail from E2T: %s", params.String())
+ subFailMsg, err := c.e2ap.UnpackSubscriptionFailure(params.Payload)
if err != nil {
- xapp.Logger.Error("SubDelResp: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s, Payload %X", err, params.SubId, params.Xid, params.Payload)
+ xapp.Logger.Error("MSG-SubFail %s", idstring(params, nil, err))
return
}
- xapp.Logger.Info("SubDelResp: Received payloadSeqNum: %v", payloadSeqNum)
-
- subs := c.registry.GetSubscription(payloadSeqNum)
- if subs == nil {
- xapp.Logger.Error("SubDelResp: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint16{uint16(subFailMsg.RequestId.Seq), uint16(params.SubId)})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubFail: %s", idstring(params, nil, err))
return
}
-
trans := subs.GetTransaction()
if trans == nil {
- xapp.Logger.Error("SubDelResp: Unknown trans. Dropping this msg. PayloadSeqNum: %v, SubId: %v", subs.GetSubId(), params.SubId)
- return
- }
-
- c.timerMap.StopTimer("RIC_SUB_DEL_REQ", int(subs.GetSubId()))
-
- responseReceived := trans.CheckResponseReceived()
- if responseReceived == true {
- // Subscription Delete timer already received
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubFail: %s", idstring(params, subs, err))
return
}
-
- trans.Release()
-
- if trans.ForwardRespToXapp == true {
- c.rmrReplyToSender("SubDelResp to xapp", subs, trans, params.Mtype, params.Payload, params.PayloadLen)
- time.Sleep(3 * time.Second)
- }
-
- xapp.Logger.Info("SubDelResp: Deleting trans record. SubId: %v, Xid: %s", subs.GetSubId(), trans.GetXid())
- if !c.registry.DelSubscription(subs.GetSubId()) {
- xapp.Logger.Error("SubDelResp: Failed to release sequency number. SubId: %v, Xid: %s", subs.GetSubId(), trans.GetXid())
- 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(trans, subs, err))
}
return
}
-func (c *Control) handleSubscriptionDeleteFailure(params *RMRParams) {
- xapp.Logger.Info("SubDelFail from E2T:%s", params.String())
-
- payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteFailureSequenceNumber(params.Payload)
+//-------------------------------------------------------------------
+// handle from E2T Subscription Delete Response
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionDeleteResponse(params *RMRParams) (err error) {
+ xapp.Logger.Info("SUBS-SubDelResp from E2T:%s", params.String())
+ subDelRespMsg, err := c.e2ap.UnpackSubscriptionDeleteResponse(params.Payload)
if err != nil {
- xapp.Logger.Error("SubDelFail: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, %s", err, params.String())
+ xapp.Logger.Error("SUBS-SubDelResp: %s", idstring(params, nil, err))
return
}
- xapp.Logger.Info("SubDelFail: Received payloadSeqNum: %v", payloadSeqNum)
-
- subs := c.registry.GetSubscription(payloadSeqNum)
- if subs == nil {
- xapp.Logger.Error("SubDelFail: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint16{uint16(subDelRespMsg.RequestId.Seq), uint16(params.SubId)})
+ if err != nil {
+ xapp.Logger.Error("SUBS-SubDelResp: %s", idstring(params, nil, err))
return
}
-
trans := subs.GetTransaction()
if trans == nil {
- xapp.Logger.Error("SubDelFail: Unknown trans. Dropping this msg. PayloadSeqNum: %v, SubId: %v", subs.GetSubId(), params.SubId)
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("SUBS-SubDelResp: %s", idstring(params, subs, err))
return
}
-
- c.timerMap.StopTimer("RIC_SUB_DEL_REQ", int(subs.GetSubId()))
-
- responseReceived := trans.CheckResponseReceived()
- if responseReceived == true {
- // Subscription Delete timer already received
- return
- }
- if trans.ForwardRespToXapp == true {
- var subDelRespPayload []byte
- subDelRespPayload, err = c.e2ap.PackSubscriptionDeleteResponse(trans.OrigParams.Payload, subs.GetSubId())
- if err != nil {
- xapp.Logger.Error("SubDelFail:Packing SubDelResp failed. Err: %v", err)
- return
- }
-
- // RIC SUBSCRIPTION DELETE RESPONSE
- c.rmrReplyToSender("SubDelFail to xapp", subs, trans, 12021, subDelRespPayload, len(subDelRespPayload))
- time.Sleep(3 * time.Second)
- }
-
- xapp.Logger.Info("SubDelFail: Deleting trans record. SubId: %v, Xid: %s", subs.GetSubId(), trans.GetXid())
- trans.Release()
- if !c.registry.DelSubscription(subs.GetSubId()) {
- xapp.Logger.Error("SubDelFail: Failed to release sequency number. Err: %v, SubId: %v, Xid: %s", err, subs.GetSubId(), trans.GetXid())
- 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(trans, subs, err))
}
return
}
-func (c *Control) handleSubscriptionDeleteRequestTimer(strId string, nbrId int, tryCount uint64) {
- xapp.Logger.Info("SubDelReq timeout: subId: %v, tryCount: %v", nbrId, tryCount)
-
- subs := c.registry.GetSubscription(uint16(nbrId))
- if subs == nil {
- xapp.Logger.Error("SubDelReq timeout: Unknown payloadSeqNum. Dropping this msg. SubId: %v", nbrId)
- return
- }
-
- trans := subs.GetTransaction()
- if trans == nil {
- xapp.Logger.Error("SubDelReq timeout: Unknown trans. Dropping this msg. SubId: %v", subs.GetSubId())
+//-------------------------------------------------------------------
+// handle from E2T Subscription Delete Failure
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionDeleteFailure(params *RMRParams) {
+ xapp.Logger.Info("MSG-SubDelFail from E2T:%s", params.String())
+ subDelFailMsg, err := c.e2ap.UnpackSubscriptionDeleteFailure(params.Payload)
+ if err != nil {
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(params, nil, err))
return
}
-
- responseReceived := trans.CheckResponseReceived()
- if responseReceived == true {
- // Subscription Delete Response or Failure already received
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint16{uint16(subDelFailMsg.RequestId.Seq), uint16(params.SubId)})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(params, nil, err))
return
}
-
- if tryCount < maxSubDelReqTryCount {
- xapp.Logger.Info("SubDelReq timeout: Resending SubDelReq to E2T: Mtype: %v, SubId: %v, Xid %s, Meid %v", trans.OrigParams.Mtype, subs.GetSubId(), trans.GetXid(), subs.GetMeid())
- // Set possible to handle new response for the subId
-
- trans.RetryTransaction()
-
- c.rmrSend("SubDelReq(SubDelReq timer) to E2T", subs, trans, trans.OrigParams.Payload, trans.OrigParams.PayloadLen)
-
- tryCount++
- c.timerMap.StartTimer("RIC_SUB_DEL_REQ", int(subs.GetSubId()), subReqTime, tryCount, c.handleSubscriptionDeleteRequestTimer)
+ trans := subs.GetTransaction()
+ if trans == nil {
+ err = fmt.Errorf("Ongoing transaction not found")
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(params, subs, err))
return
}
-
- if trans.ForwardRespToXapp == true {
- var subDelRespPayload []byte
- subDelRespPayload, err := c.e2ap.PackSubscriptionDeleteResponse(trans.OrigParams.Payload, subs.GetSubId())
- if err != nil {
- xapp.Logger.Error("SubDelReq timeout: Unable to pack payload. Dropping this this msg. Err: %v, SubId: %v, Xid: %s, Payload %x", err, subs.GetSubId(), trans.GetXid(), trans.OrigParams.Payload)
- return
- }
-
- // RIC SUBSCRIPTION DELETE RESPONSE
- c.rmrReplyToSender("SubDelResp(SubDelReq timer) to xapp", subs, trans, 12021, subDelRespPayload, len(subDelRespPayload))
-
- time.Sleep(3 * time.Second)
-
+ 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(trans, subs, err))
}
+ return
+}
- xapp.Logger.Info("SubDelReq timeout: Deleting trans record. SubId: %v, Xid: %s", subs.GetSubId(), trans.GetXid())
- trans.Release()
- if !c.registry.DelSubscription(subs.GetSubId()) {
- xapp.Logger.Error("SubDelReq timeout: Failed to release sequency number. SubId: %v, Xid: %s", subs.GetSubId(), trans.GetXid())
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+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"
}
- return
}
Code Review / ric-plt / submgr.git / blobdiff