"github.com/go-openapi/strfmt"
"github.com/spf13/viper"
"math/rand"
+ "sync"
"time"
- "sync"
)
var subReqTime time.Duration = 5 * time.Second
var SubDelReqTime time.Duration = 5 * time.Second
type Control struct {
- e2ap *E2ap
- registry *Registry
- rtmgrClient *RtmgrClient
- tracker *Tracker
- timerMap *TimerMap
- rmrSendMutex *sync.Mutex
+ e2ap *E2ap
+ registry *Registry
+ rtmgrClient *RtmgrClient
+ tracker *Tracker
+ timerMap *TimerMap
+ rmrSendMutex sync.Mutex
}
type RMRMeid struct {
- PlmnID string
- EnbID string
+ PlmnID string
+ EnbID string
RanName string
}
xapp.Logger.Info("SUBMGR: Initial Sequence Number: %v", seedSN)
}
-func NewControl() Control {
+func NewControl() *Control {
registry := new(Registry)
registry.Initialize(seedSN)
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}
+ return &Control{e2ap: new(E2ap),
+ registry: registry,
+ rtmgrClient: &rtmgrClient,
+ tracker: tracker,
+ timerMap: timerMap,
+ }
}
func (c *Control) Run() {
func (c *Control) rmrSend(params *xapp.RMRParams) (err error) {
status := false
i := 1
- for ; i <= 10 && status == false; i++ {
+ 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)
+ 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)
}
}
}
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.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
+ 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)
/* 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)
// 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)
+ 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)
}
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.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
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)
+ 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)
+ xapp.Logger.Error("SubResp: Unknown payloadSeqNum. Dropping this msg. PayloadSeqNum: %v, SubId: %v", payloadSeqNum, params.SubId)
return
}
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)
+ 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)
+ 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)
}
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.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
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)
+ if err != nil {
+ xapp.Logger.Error("SubFail: Failed to retrive transaction record. Dropping this msg. Err: %v, SubId: %v", 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)
+ 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)
func (c *Control) handleSubscriptionRequestTimer(strId string, nbrId int) {
newSubId := uint16(nbrId)
xapp.Logger.Info("SubReq timer expired. newSubId: %v", newSubId)
-// var causeContent uint8 = 1 // just some random cause. To be checked later. Should be no respose or something
-// var causeVal uint8 = 1 // just some random val. To be checked later. Should be no respose or something
-// c.sendSubscriptionFailure(newSubId, causeContent, causeVal)
+ // var causeContent uint8 = 1 // just some random cause. To be checked later. Should be no respose or something
+ // var causeVal uint8 = 1 // just some random val. To be checked later. Should be no respose or something
+ // c.sendSubscriptionFailure(newSubId, causeContent, causeVal)
}
/*
params.SubId = int(subId)
params.Meid = transaction.OrigParams.Meid
params.Xid = transaction.OrigParams.Xid
-
+
// newPayload, packErr := c.e2ap.PackSubscriptionFailure(transaction.OrigParams.Payload, subId, causeContent, causeVal)
// if packErr != nil {
// xapp.Logger.Error("SendSubFail: PackSubscriptionFailure() due to %v", packErr)
// return
// }
-
+
newPayload := []byte("40CA4018000003EA7E00050000010016EA6300020021EA74000200C0") // Temporary solution
params.PayloadLen = len(newPayload)
}
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.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
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)
+
+ 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)
}
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.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)
+ xapp.Logger.Error("SubDelResp: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v", err, params.SubId)
return
}
xapp.Logger.Info("SubDelResp: Received payloadSeqNum: %v", payloadSeqNum)
var transaction Transaction
transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
- if err != nil {
+ 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)
+ 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
+ // return
}
time.Sleep(3 * time.Second)
}
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.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)
+ xapp.Logger.Error("SubDelFail: Unable to get Sequence Number from Payload. Dropping this msg. Err: %v, SubId: %v", err, params.SubId)
return
}
xapp.Logger.Info("SubDelFail: Received payloadSeqNum: %v", payloadSeqNum)
var transaction Transaction
transaction, err = c.tracker.RetriveTransaction(payloadSeqNum, DELETE)
- if err != nil {
+ 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)
+ 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
+ // return
}
time.Sleep(3 * time.Second)
return
}
} else {
- xapp.Logger.Error("SubDelFail: Failed to release sequency number. SubId: %v, Xid: %s", err, params.SubId, params.Xid)
+ xapp.Logger.Error("SubDelFail: Failed to release sequency number. Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid)
return
}
return
func (c *Control) handleSubscriptionDeleteRequestTimer(strId string, nbrId int) {
newSubId := uint16(nbrId)
xapp.Logger.Info("SubDelReq timer expired. newSubId: %v", newSubId)
-// var causeContent uint8 = 1 // just some random cause. To be checked later. Should be no respose or something
-// var causeVal uint8 = 1 // just some random val. To be checked later. Should be no respose or something
-// c.sendSubscriptionDeleteFailure(newSubId, causeContent, causeVal)
+ // var causeContent uint8 = 1 // just some random cause. To be checked later. Should be no respose or something
+ // var causeVal uint8 = 1 // just some random val. To be checked later. Should be no respose or something
+ // c.sendSubscriptionDeleteFailure(newSubId, causeContent, causeVal)
}
/*
params.SubId = int(subId)
params.Meid = transaction.OrigParams.Meid
params.Xid = transaction.OrigParams.Xid
-
+
// newPayload, packErr := c.e2ap.PackSubscriptionDeleteFailure(transaction.OrigParams.Payload, subId, causeContent, causeVal)
// if packErr != nil {
// xapp.Logger.Error("SendSubDelFail: PackSubscriptionDeleteFailure(). Err: %v, SubId: %v, Xid: %s", err, params.SubId, params.Xid))
if err != nil {
xapp.Logger.Error("SendSubDelFail: 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("SendSubDelFail: SubId: %v, from address: %v:%v. Deleting transaction record", int(subId), transaction.XappInstanceAddress, transaction.XappPort)
xapp.Logger.Info("SendSubDelFail: Starting routing manager update. SubId: %v, Xid: %s", params.SubId, params.Xid)
}
return
}
-*/
\ No newline at end of file
+*/