X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fcontrol%2Fcontrol.go;h=7e2d673b4c92a50d7cdcff7a283bf9aeb0142f03;hb=0a9f260b43017c2860137cefcaa2e79ad896ab2d;hp=ec6419e3794bfc149c199bfe50424a4c9a1fbbe8;hpb=e00186861608731e2390055a0e1b1cf455670508;p=ric-plt%2Fsubmgr.git diff --git a/pkg/control/control.go b/pkg/control/control.go index ec6419e..7e2d673 100644 --- a/pkg/control/control.go +++ b/pkg/control/control.go @@ -19,181 +19,341 @@ package control -/* -#include -#include - -#cgo CFLAGS: -I../ -#cgo LDFLAGS: -lrmr_nng -lnng -*/ import "C" import ( "errors" - "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp" - "github.com/spf13/viper" - "github.com/go-openapi/strfmt" - httptransport "github.com/go-openapi/runtime/client" 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" "strconv" "time" + "sync" ) +var rmrSendMutex = &sync.Mutex{} + +var subReqTime time.Duration = 2 * time.Second +var SubDelReqTime time.Duration = 2 * time.Second + type Control struct { e2ap *E2ap registry *Registry rtmgrClient *RtmgrClient tracker *Tracker + rcChan chan *xapp.RMRParams + timerMap *TimerMap } type RMRMeid struct { PlmnID string EnbID string + RanName string } -var SEEDSN uint16 -var SubscriptionReqChan = make(chan subRouteInfo, 10) +var seedSN uint16 const ( CREATE Action = 0 - MERGE Action = 1 + MERGE Action = 1 DELETE Action = 3 ) func init() { + xapp.Logger.Info("SUBMGR /ric-plt-submgr:r3-test-v2") viper.AutomaticEnv() viper.SetEnvPrefix("submgr") viper.AllowEmptyEnv(true) - SEEDSN = uint16(viper.GetInt("seed_sn")) - if SEEDSN == 0 { + seedSN = uint16(viper.GetInt("seed_sn")) + if seedSN == 0 { rand.Seed(time.Now().UnixNano()) - SEEDSN = uint16(rand.Intn(65535)) + seedSN = uint16(rand.Intn(65535)) } - if SEEDSN > 65535 { - SEEDSN = 0 + if seedSN > 65535 { + seedSN = 0 } - xapp.Logger.Info("SUBMGR: Initial Sequence Number: %v", SEEDSN) + xapp.Logger.Info("SUBMGR: Initial Sequence Number: %v", seedSN) } func NewControl() Control { registry := new(Registry) - registry.Initialize(SEEDSN) + registry.Initialize(seedSN) tracker := new(Tracker) tracker.Init() - transport := httptransport.New(viper.GetString("rtmgr.HostAddr") + ":" + viper.GetString("rtmgr.port"), viper.GetString("rtmgr.baseUrl"), []string{"http"}) + 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) - delete_handle := rtmgrhandle.NewDeleteXappSubscriptionHandleParamsWithTimeout(10 * time.Second) - rtmgrClient := RtmgrClient{client, handle, delete_handle} + deleteHandle := rtmgrhandle.NewDeleteXappSubscriptionHandleParamsWithTimeout(10 * time.Second) + rtmgrClient := RtmgrClient{client, handle, deleteHandle} - return Control{new(E2ap), registry, &rtmgrClient, tracker} + return Control{new(E2ap), registry, &rtmgrClient, tracker, make(chan *xapp.RMRParams),timerMap} } func (c *Control) Run() { + go c.controlLoop() xapp.Run(c) } func (c *Control) Consume(rp *xapp.RMRParams) (err error) { - switch rp.Mtype { - case C.RIC_SUB_REQ: - err = c.handleSubscriptionRequest(rp) - case C.RIC_SUB_RESP: - err = c.handleSubscriptionResponse(rp) - case C.RIC_SUB_DEL_REQ: - err = c.handleSubscriptionDeleteRequest(rp) - case C.RIC_SUB_DEL_RESP: - err = c.handleSubscriptionDeleteResponse(rp) - default: - err = errors.New("Message Type " + strconv.Itoa(rp.Mtype) + " is discarded") - } + 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() + + /* 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) { - if !xapp.Rmr.Send(params, true) { - err = errors.New("rmr.Send() failed") - } + c.rmrSend(params) return } -func (c *Control) handleSubscriptionRequest(params *xapp.RMRParams) (err error) { - payload_seq_num, err := c.e2ap.GetSubscriptionRequestSequenceNumber(params.Payload) - if err != nil { - err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) - return +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) + } } - xapp.Logger.Info("Subscription Request Received. RMR SUBSCRIPTION_ID: %v | PAYLOAD SEQUENCE_NUMBER: %v", params.SubId, payload_seq_num) +} + +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) + params.Mbuf = nil /* Reserve a sequence number and set it in the payload */ - new_sub_id := c.registry.ReserveSequenceNumber() + 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 + } - _, err = c.e2ap.SetSubscriptionRequestSequenceNumber(params.Payload, new_sub_id) + 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 } - src_addr, src_port, err := c.rtmgrClient.SplitSource(params.Src) + 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) return } /* Create transatcion records for every subscription request */ - xact_key := Transaction_key{new_sub_id, CREATE} - xact_value := Transaction{*src_addr, *src_port, params.Payload, params.Mbuf} - err = c.tracker.Track_transaction(xact_key, xact_value) + 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 transaction record due to %v", err) + xapp.Logger.Error("Failed to create a Subscription Request transaction record due to %v", err) return } /* Update routing manager about the new subscription*/ - sub_route_action := subRouteInfo{CREATE, *src_addr, *src_port, new_sub_id } - go c.rtmgrClient.SubscriptionRequestUpdate() - SubscriptionReqChan <- sub_route_action + subRouteAction := SubRouteInfo{CREATE, *srcAddr, *srcPort, newSubId} + xapp.Logger.Info("Starting routing manager update") + c.rtmgrClient.SubscriptionRequestUpdate(subRouteAction) - // Setting new subscription ID in the RMR header - params.SubId = int(new_sub_id) + //time.Sleep(3 * time.Second) - xapp.Logger.Info("Generated ID: %v. Forwarding to E2 Termination...", int(new_sub_id)) - c.rmrSend(params) - xapp.Logger.Info("--- Debugging transaction table = %v", c.tracker.transaction_table) + // 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) { - payload_seq_num, err := c.e2ap.GetSubscriptionResponseSequenceNumber(params.Payload) + 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 + + payloadSeqNum, err := c.e2ap.GetSubscriptionResponseSequenceNumber(params.Payload) if err != nil { err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) return } - xapp.Logger.Info("Subscription Response Received. RMR SUBSCRIPTION_ID: %v | PAYLOAD SEQUENCE_NUMBER: %v", params.SubId, payload_seq_num) - if !c.registry.IsValidSequenceNumber(payload_seq_num) { - err = errors.New("Unknown Subscription ID: " + strconv.Itoa(int(payload_seq_num)) + " in Subscritpion Response. Message discarded.") + + 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.") + 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("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) + 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) + if err != nil { + xapp.Logger.Error("Failed to send response to requestor %v. SubId: %v, Xid: %s", err, params.SubId, params.Xid) + } + + 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 } - c.registry.setSubscriptionToConfirmed(payload_seq_num) - xapp.Logger.Info("Subscription Response Registered. Forwarding to Requestor...") - transaction, err := c.tracker.complete_transaction(payload_seq_num, DELETE) + return +} + +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 + + payloadSeqNum, err := c.e2ap.GetSubscriptionFailureSequenceNumber(params.Payload) + if err != nil { + err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) + 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) + 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 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) + } + + time.Sleep(3 * time.Second) + + xapp.Logger.Info("Starting routing manager update") + subRouteAction := SubRouteInfo{CREATE, 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 (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 create a transaction record due to %v", err) + xapp.Logger.Error("Failed to delete a Subscription Request transaction record due to %v", err) return } - xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Forwarding to E2 Termination...", int(payload_seq_num), transaction.Xapp_instance_address, transaction.Xapp_port) - params.Mbuf = transaction.Mbuf - c.rmrReplyToSender(params) + 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 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) + + 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 } @@ -220,55 +380,187 @@ func (act Action) valid() bool { } func (c *Control) handleSubscriptionDeleteRequest(params *xapp.RMRParams) (err error) { - payload_seq_num, err := c.e2ap.GetSubscriptionDeleteRequestSequenceNumber(params.Payload) + 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 + + payloadSeqNum, err := c.e2ap.GetSubscriptionDeleteRequestSequenceNumber(params.Payload) if err != nil { err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) return } - xapp.Logger.Info("Subscription Delete Request Received. RMR SUBSCRIPTION_ID: %v | PAYLOAD SEQUENCE_NUMBER: %v", params.SubId, payload_seq_num) - if c.registry.IsValidSequenceNumber(payload_seq_num) { - c.registry.deleteSubscription(payload_seq_num) - trackErr := c.trackDeleteTransaction(params, payload_seq_num) + 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 transaction record due to %v", err) + xapp.Logger.Error("Failed to create a Subscription Delete Request transaction record due to %v", trackErr) return trackErr } } - xapp.Logger.Info("Subscription ID: %v. Forwarding to E2 Termination...", int(payload_seq_num)) + + 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 } -func (c *Control) trackDeleteTransaction(params *xapp.RMRParams, payload_seq_num uint16) (err error) { - src_addr, src_port, err := c.rtmgrClient.SplitSource(params.Src) - xact_key := Transaction_key{payload_seq_num, DELETE} - xact_value := Transaction{*src_addr, *src_port, params.Payload, params.Mbuf} - err = c.tracker.Track_transaction(xact_key, xact_value) +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("Failed to update routing-manager about the subscription delete request with reason: %s", err) + } + 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) { - payload_seq_num, err := c.e2ap.GetSubscriptionDeleteResponseSequenceNumber(params.Payload) + 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) + if err != nil { + err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) + 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) + 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 + } + + 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 + } + } + 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) if err != nil { err = errors.New("Unable to get Subscription Sequence Number from Payload due to: " + err.Error()) return } - var transaction , _= c.tracker.Retrive_transaction(payload_seq_num, DELETE) - sub_route_action := subRouteInfo{DELETE, transaction.Xapp_instance_address, transaction.Xapp_port, payload_seq_num } - go c.rtmgrClient.SubscriptionRequestUpdate() - SubscriptionReqChan <- sub_route_action + 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) + 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 + } + + time.Sleep(3 * time.Second) - xapp.Logger.Info("Subscription Delete Response Received. RMR SUBSCRIPTION_ID: %v | PAYLOAD SEQUENCE_NUMBER: %v", params.SubId, payload_seq_num) - if c.registry.releaseSequenceNumber(payload_seq_num) { - transaction, err = c.tracker.complete_transaction(payload_seq_num, DELETE) + 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 create a transaction record due to %v", err) + xapp.Logger.Error("Failed to delete a Subscription Delete Request transaction record due to %v", err) return } - xapp.Logger.Info("Subscription ID: %v, from address: %v:%v. Forwarding to E2 Termination...", int(payload_seq_num), transaction.Xapp_instance_address, transaction.Xapp_port) - //params.Src = xAddress + ":" + strconv.Itoa(int(xPort)) - params.Mbuf = transaction.Mbuf - c.rmrReplyToSender(params) } 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 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) + 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 + }