package control
-/*
-#include <rmr/RIC_message_types.h>
-
-#cgo CFLAGS: -I../
-#cgo LDFLAGS: -lrmr_nng -lnng
-*/
import "C"
-
import (
- "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
- "errors"
- "strconv"
+ "errors"
+ 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"
+ "time"
+ "sync"
)
+var subReqTime time.Duration = 2 * time.Second
+var SubDelReqTime time.Duration = 2 * time.Second
+
type Control struct {
- e2ap *E2ap
- registry *Registry
+ e2ap *E2ap
+ registry *Registry
+ rtmgrClient *RtmgrClient
+ tracker *Tracker
+ timerMap *TimerMap
+ rmrSendMutex *sync.Mutex
+}
+
+type RMRMeid struct {
+ PlmnID string
+ EnbID string
+ RanName string
+}
+
+var seedSN uint16
+
+const (
+ CREATE Action = 0
+ MERGE Action = 1
+ NONE Action = 2
+ DELETE Action = 3
+)
+
+func init() {
+ xapp.Logger.Info("SUBMGR /ric-plt-submgr:r3-test-v4")
+ 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 {
- return Control{new(E2ap),new(Registry)}
+ registry := new(Registry)
+ registry.Initialize(seedSN)
+
+ tracker := new(Tracker)
+ tracker.Init()
+
+ timerMap := new(TimerMap)
+ timerMap.Init()
+
+ rmrSendMutex := &sync.Mutex{}
+
+ 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}
+
+ return Control{new(E2ap), registry, &rtmgrClient, tracker, timerMap, rmrSendMutex}
}
func (c *Control) Run() {
- xapp.Run(c)
-}
-
-func (c *Control) Consume(mtype, sub_id int, len int, payload []byte) (err error) {
- switch mtype {
- case C.RIC_SUB_REQ:
- err = c.handleSubscriptionRequest(&RmrDatagram{mtype, sub_id, payload})
- case C.RIC_SUB_RESP:
- err = c.handleSubscriptionResponse(&RmrDatagram{mtype, sub_id, payload})
- default:
- err = errors.New("Message Type "+strconv.Itoa(mtype)+" discarded")
- }
- return
-}
-
-func (c *Control) rmrSend(datagram *RmrDatagram) (err error) {
- if !xapp.Rmr.Send(datagram.MessageType, datagram.SubscriptionId, len(datagram.Payload), datagram.Payload) {
- err = errors.New("rmr.Send() failed")
- }
- return
-}
-
-func (c *Control) handleSubscriptionRequest(datagram *RmrDatagram) ( err error) {
- content, err := c.e2ap.GetPayloadContent(datagram.Payload)
- xapp.Logger.Info("Subscription Request received: %v", content)
- new_sub_id := c.registry.GetSubscriptionId()
- payload, err := c.e2ap.SetSubscriptionSequenceNumber(datagram.Payload, new_sub_id)
- if err != nil {
- xapp.Logger.Error("Unable to set Subscription Sequence Number in Payload due to: "+ err.Error())
- return
- }
- xapp.Logger.Info("New Subscription Accepted, Forwarding to E2T")
- c.rmrSend(&RmrDatagram{C.RIC_SUB_REQ , new_sub_id, payload})
- return
-}
-
-func (c *Control) handleSubscriptionResponse(datagram *RmrDatagram) ( err error) {
- content, err := c.e2ap.GetPayloadContent(datagram.Payload)
- xapp.Logger.Info("Subscription Response received: %v", content)
- return
-}
\ No newline at end of file
+ xapp.Run(c)
+}
+
+func (c *Control) rmrSend(params *xapp.RMRParams) (err error) {
+ status := false
+ i := 1
+ for ; i <= 10 && status == false; i++ {
+ c.rmrSendMutex.Lock()
+ status = xapp.Rmr.Send(params, false)
+ c.rmrSendMutex.Unlock()
+ 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)
+ }
+ return
+}
+
+func (c *Control) rmrReplyToSender(params *xapp.RMRParams) (err error) {
+ c.rmrSend(params)
+ return
+}
+
+func (c *Control) Consume(msg *xapp.RMRParams) (err error) {
+ 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:
+ xapp.Logger.Info("Unknown Message Type '%d', discarding", msg.Mtype)
+ }
+ return nil
+}
+
+func (c *Control) handleSubscriptionRequest(params *xapp.RMRParams) {
+ xapp.Logger.Info("SubReq 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
+
+ /* Reserve a sequence number and set it in the payload */
+ newSubId, isIdValid := c.registry.ReserveSequenceNumber()
+ if isIdValid != true {
+ xapp.Logger.Error("SubReq: Failed to reserve sequence number. Dropping this msg. SubId: %v, Xid: %s",params.SubId, params.Xid)
+ return
+ }
+
+ err := c.e2ap.SetSubscriptionRequestSequenceNumber(params.Payload, newSubId)
+ if err != nil {
+ xapp.Logger.Error("SubReq: Unable to set Sequence Number in Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+
+ 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
+ }
+
+ /* 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("SubReq: Failed to create transaction record. Dropping this msg. Err: %v SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+
+ /* Update routing manager about the new subscription*/
+ subRouteAction := SubRouteInfo{CREATE, *srcAddr, *srcPort, newSubId}
+ xapp.Logger.Info("SubReq: Starting routing manager update. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ err = c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ if err != nil {
+ xapp.Logger.Error("SubReq: Failed to update routing manager. Dropping this SubReq msg. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+
+ // Setting new subscription ID in the RMR header
+ params.SubId = int(newSubId)
+ xapp.Logger.Info("Forwarding SubReq 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("SubReq: 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("SubReq: Debugging transaction table = %v", c.tracker.transactionTable)
+ return
+}
+
+func (c *Control) handleSubscriptionResponse(params *xapp.RMRParams) {
+ xapp.Logger.Info("SubResp 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.GetSubscriptionResponseSequenceNumber(params.Payload)
+ if err != nil {
+ xapp.Logger.Error("SubResp: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubResp: Received payloadSeqNum: %v",payloadSeqNum)
+
+ if !c.registry.IsValidSequenceNumber(payloadSeqNum) {
+ xapp.Logger.Error("SubResp: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
+ return
+ }
+
+// c.timerMap.StopTimer(payloadSeqNum)
+
+ c.registry.setSubscriptionToConfirmed(payloadSeqNum)
+ var transaction Transaction
+ transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, CREATE)
+ if err != nil {
+ xapp.Logger.Error("SubResp: Failed to retrive transaction record. Dropping this msg. Err: %V, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubResp: SubId: %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("SubResp: Forwarding Subscription Response to xApp Mtype: %v, SubId: %v, Meid: %v",params.Mtype, params.SubId, params.Meid)
+ err = c.rmrReplyToSender(params)
+ if err != nil {
+ xapp.Logger.Error("SubResp: Failed to send response to xApp. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ }
+
+ xapp.Logger.Info("SubResp: SubId: %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("SubResp: Failed to delete transaction record. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ return
+}
+
+func (c *Control) handleSubscriptionFailure(params *xapp.RMRParams) {
+ xapp.Logger.Info("SubFail 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.GetSubscriptionFailureSequenceNumber(params.Payload)
+ if err != nil {
+ xapp.Logger.Error("SubFail: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubFail: Received payloadSeqNum: %v", payloadSeqNum)
+
+// c.timerMap.StopTimer(payloadSeqNum)
+
+ var transaction Transaction
+ transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, CREATE)
+ if err != nil {
+ xapp.Logger.Error("SubFail: Failed to retrive transaction record. Dropping this msg. Err: %v, SubId: %v: %s", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubFail: SubId: %v, from address: %v:%v. Forwarding response to xApp", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
+
+ params.SubId = int(payloadSeqNum)
+ params.Xid = transaction.OrigParams.Xid
+
+ xapp.Logger.Info("Forwarding SubFail to xApp: 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 xApp. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ }
+
+ time.Sleep(3 * time.Second)
+
+ xapp.Logger.Info("SubFail: Starting routing manager update. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ subRouteAction := SubRouteInfo{CREATE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
+ err = c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ if err != nil {
+ xapp.Logger.Error("SubFail: Failed to update routing manager. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ }
+
+ xapp.Logger.Info("SubFail: Deleting trancaction record. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ if c.registry.releaseSequenceNumber(payloadSeqNum) {
+ transaction, err = c.tracker.completeTransaction(payloadSeqNum, CREATE)
+ if err != nil {
+ xapp.Logger.Error("SubFail: Failed to delete transaction record. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ } else {
+ xapp.Logger.Error("SubFail: Failed to release sequency number. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ return
+ }
+ return
+}
+
+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
+ }
+ 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
+
+ xapp.Logger.Info("Forwarding Subscription Failure to xApp: 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)
+
+ 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, CREATE)
+ if err != nil {
+ xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err)
+ return
+ }
+ }
+*/
+ return
+}
+
+func (act Action) String() string {
+ actions := [...]string{
+ "CREATE",
+ "MERGE",
+ "NONE",
+ "DELETE",
+ }
+
+ if act < CREATE || act > DELETE {
+ return "Unknown"
+ }
+ return actions[act]
+}
+
+func (act Action) valid() bool {
+ switch act {
+ case CREATE, MERGE, DELETE:
+ return true
+ default:
+ return false
+ }
+}
+
+func (c *Control) handleSubscriptionDeleteRequest(params *xapp.RMRParams) {
+ xapp.Logger.Info("SubDelReq 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
+
+ payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteRequestSequenceNumber(params.Payload)
+ if err != nil {
+ xapp.Logger.Error("SubDelReq: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ xapp.Logger.Info("SubDelReq: Received payloadSeqNum: %v", payloadSeqNum)
+
+ if c.registry.IsValidSequenceNumber(payloadSeqNum) {
+ c.registry.deleteSubscription(payloadSeqNum)
+ err = c.trackDeleteTransaction(params, payloadSeqNum)
+ if err != nil {
+ xapp.Logger.Error("SubDelReq: Failed to create transaction record. Dropping this msg. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ } else {
+ xapp.Logger.Error("SubDelReq: Not valid sequence number. Dropping this msg. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ return
+ }
+
+ xapp.Logger.Info("SubDelReq: Forwarding 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("SubDelReq: Failed to send request to E2T. Err %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ } /*else {
+ c.timerMap.StartTimer(payloadSeqNum, SubDelReqTime, c.handleSubscriptionDeleteRequestTimer)
+ }*/
+ return
+}
+
+func (c *Control) trackDeleteTransaction(params *xapp.RMRParams, payloadSeqNum uint16) (err error) {
+ srcAddr, srcPort, err := c.rtmgrClient.SplitSource(params.Src)
+ if err != nil {
+ xapp.Logger.Error("SubDelReq: Failed to update routing-manager. Err: %s, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ }
+ 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("SubDelResp 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)
+ if err != nil {
+ xapp.Logger.Error("SubDelResp: Unable to get Sequence Number from Payload. Dropping this msg. Err: %, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubDelResp: Received payloadSeqNum: %v", payloadSeqNum)
+
+// c.timerMap.StopTimer(payloadSeqNum)
+
+ var transaction Transaction
+ transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
+ if err != nil {
+ xapp.Logger.Error("SubDelResp: Failed to retrive transaction record. Dropping this msg. Err: %v, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubDelResp: SubId: %v, from address: %v:%v. Forwarding response to xApp", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
+
+ params.SubId = int(payloadSeqNum)
+ params.Xid = transaction.OrigParams.Xid
+ xapp.Logger.Info("Forwarding SubDelResp to xApp: 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("SubDelResp: Failed to send response to xApp. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+// return
+ }
+
+ time.Sleep(3 * time.Second)
+
+ xapp.Logger.Info("SubDelResp: Starting routing manager update. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
+ err = c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ if err != nil {
+ xapp.Logger.Error("SubDelResp: Failed to update routing manager. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+
+ xapp.Logger.Info("SubDelResp: Deleting trancaction record. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ if c.registry.releaseSequenceNumber(payloadSeqNum) {
+ transaction, err = c.tracker.completeTransaction(payloadSeqNum, DELETE)
+ if err != nil {
+ xapp.Logger.Error("SubDelResp: Failed to delete transaction record. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ } else {
+ xapp.Logger.Error("SubDelResp: Failed to release sequency number. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ return
+ }
+ return
+}
+
+func (c *Control) handleSubscriptionDeleteFailure(params *xapp.RMRParams) {
+ xapp.Logger.Info("SubDelFail 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)
+ if err != nil {
+ xapp.Logger.Error("SubDelFail: Unable to get Sequence Number from Payload. Dropping this msg. Err: %, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubDelFail: Received payloadSeqNum: %v", payloadSeqNum)
+
+// c.timerMap.StopTimer(payloadSeqNum)
+
+ var transaction Transaction
+ transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
+ if err != nil {
+ xapp.Logger.Error("SubDelFail: Failed to retrive transaction record. Dropping msg. Err %v, SubId: %v", err, params.SubId)
+ return
+ }
+ xapp.Logger.Info("SubDelFail: SubId: %v, from address: %v:%v. Forwarding response to xApp", int(payloadSeqNum), transaction.XappInstanceAddress, transaction.XappPort)
+
+ params.SubId = int(payloadSeqNum)
+ params.Xid = transaction.OrigParams.Xid
+ xapp.Logger.Info("Forwarding SubDelFail to xApp: 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 SubDelFail to xApp. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+// return
+ }
+
+ time.Sleep(3 * time.Second)
+
+ xapp.Logger.Info("SubDelFail: Starting routing manager update. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ subRouteAction := SubRouteInfo{DELETE, transaction.XappInstanceAddress, transaction.XappPort, payloadSeqNum}
+ c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction)
+ if err != nil {
+ xapp.Logger.Error("SubDelFail: Failed to update routing manager. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+
+ xapp.Logger.Info("SubDelFail: Deleting trancaction record. SubId: %v, Xid: %s", params.SubId, params.Xid)
+ if c.registry.releaseSequenceNumber(payloadSeqNum) {
+ transaction, err = c.tracker.completeTransaction(payloadSeqNum, DELETE)
+ if err != nil {
+ xapp.Logger.Error("SubDelFail: Failed to delete transaction record. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ } else {
+ xapp.Logger.Error("SubDelFail: Failed to release sequency number. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ return
+ }
+ 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)
+ if err != nil {
+ xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err)
+ 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 xApp: 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)
+ 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
+ }
+ }
+*/
+ return
+ }
Code Review / ric-plt / submgr.git / blobdiff