import (
"fmt"
"net/http"
- "os"
- "strconv"
- "strings"
"sync"
"time"
"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/gorilla/mux"
"github.com/segmentio/ksuid"
"github.com/spf13/viper"
)
c.ReadConfigParameters("")
// Register REST handler for testing support
+ xapp.Resource.InjectRoute("/ric/v1/symptomdata", c.SymptomDataHandler, "GET")
xapp.Resource.InjectRoute("/ric/v1/test/{testId}", c.TestRestHandler, "POST")
xapp.Resource.InjectRoute("/ric/v1/restsubscriptions", c.GetAllRestSubscriptions, "GET")
- xapp.Resource.InjectRoute("/ric/v1/symptomdata", c.SymptomDataHandler, "GET")
+
+ xapp.Resource.InjectRoute("/ric/v1/get_all_e2nodes", c.GetAllE2Nodes, "GET")
+ xapp.Resource.InjectRoute("/ric/v1/get_e2node_rest_subscriptions/{ranName}", c.GetAllE2NodeRestSubscriptions, "GET")
+
+ xapp.Resource.InjectRoute("/ric/v1/get_all_xapps", c.GetAllXapps, "GET")
+ xapp.Resource.InjectRoute("/ric/v1/get_xapp_rest_restsubscriptions/{xappServiceName}", c.GetAllXappRestSubscriptions, "GET")
+ xapp.Resource.InjectRoute("/ric/v1/get_e2subscriptions/{restId}", c.GetE2Subscriptions, "GET")
+
+ xapp.Resource.InjectRoute("/ric/v1/delete_all_e2node_subscriptions/{ranName}", c.DeleteAllE2nodeSubscriptions, "DELETE")
+ xapp.Resource.InjectRoute("/ric/v1/delete_all_xapp_subscriptions/{xappServiceName}", c.DeleteAllXappSubscriptions, "DELETE")
if readSubsFromDb == "true" {
// Read subscriptions from db
- c.ReadE2Subscriptions()
- c.ReadRESTSubscriptions()
+ err := c.ReadE2Subscriptions()
+ if err != nil {
+ xapp.Logger.Error("ReadE2Subscriptions() failed %s", err.Error())
+ }
+ err = c.ReadRESTSubscriptions()
+ if err != nil {
+ xapp.Logger.Error("ReadRESTSubscriptions() failed %s", err.Error())
+ }
}
- go xapp.Subscription.Listen(c.RESTSubscriptionHandler, c.RESTQueryHandler, c.RESTSubscriptionDeleteHandler)
+ go func() {
+ err := xapp.Subscription.Listen(c.RESTSubscriptionHandler, c.RESTQueryHandler, c.RESTSubscriptionDeleteHandler)
+ if err != nil {
+ xapp.Logger.Error("xapp.Subscription.Listen failure: %s", err.Error())
+ }
+ }()
return c
}
func (c *Control) SymptomDataHandler(w http.ResponseWriter, r *http.Request) {
- subscriptions, _ := c.registry.QueryHandler()
+ subscriptions, err := c.registry.QueryHandler()
+ if err != nil {
+ xapp.Logger.Error("QueryHandler() failed %s", err.Error())
+ }
+
xapp.Resource.SendSymptomDataJson(w, r, subscriptions, "platform/subscriptions.json")
}
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
-func (c *Control) GetAllRestSubscriptions(w http.ResponseWriter, r *http.Request) {
- xapp.Logger.Debug("GetAllRestSubscriptions() called")
- response := c.registry.GetAllRestSubscriptions()
- w.Write(response)
+func (c *Control) RESTQueryHandler() (models.SubscriptionList, error) {
+ xapp.Logger.Debug("RESTQueryHandler() called")
+
+ c.CntRecvMsg++
+
+ return c.registry.QueryHandler()
}
//-------------------------------------------------------------------
for restSubId, restSubscription := range restSubscriptions {
restSubscription.SubReqOngoing = false
restSubscription.SubDelReqOngoing = false
- c.WriteRESTSubscriptionToSdl(restSubId, restSubscription)
+ err := c.WriteRESTSubscriptionToSdl(restSubId, restSubscription)
+ if err != nil {
+ xapp.Logger.Error("WriteRESTSubscriptionToSdl() failed:%s", err.Error())
+ }
}
c.registry.restSubscriptions = restSubscriptions
return nil
if subs.PolicyUpdate == false {
subs.NoRespToXapp = true
xapp.Logger.Debug("SendSubscriptionDeleteReq. subId = %v", subId)
- c.SendSubscriptionDeleteReq(subs)
+ c.SendSubscriptionDeleteReq(subs, false)
}
}
}
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
-func (c *Control) GetOrCreateRestSubscription(p *models.SubscriptionParams, md5sum string, xAppRmrEndpoint string) (*RESTSubscription, string, error) {
+func (c *Control) GetOrCreateRestSubscription(p *models.SubscriptionParams, md5sum string, xAppRmrEndpoint string, xAppServiceName string) (*RESTSubscription, string, error) {
var restSubId string
var restSubscription *RESTSubscription
if restSubscription == nil {
restSubId = ksuid.New().String()
- restSubscription = c.registry.CreateRESTSubscription(&restSubId, &xAppRmrEndpoint, p.Meid)
+ restSubscription = c.registry.CreateRESTSubscription(&restSubId, &xAppServiceName, &xAppRmrEndpoint, p.Meid)
}
} else {
// Subscription contains REST subscription Id
return nil, common.SubscribeBadRequestCode
}
+ e2SubscriptionDirectives, err := c.GetE2SubscriptionDirectives(p)
+ if err != nil {
+ xapp.Logger.Error("%s", err)
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, common.SubscribeBadRequestCode
+ }
_, xAppRmrEndpoint, err := ConstructEndpointAddresses(*p.ClientEndpoint)
if err != nil {
xapp.Logger.Error("%s", err.Error())
xapp.Logger.Error("Failed to generate md5sum from incoming request - %s", err.Error())
}
- restSubscription, restSubId, err := c.GetOrCreateRestSubscription(p, md5sum, xAppRmrEndpoint)
+ restSubscription, restSubId, err := c.GetOrCreateRestSubscription(p, md5sum, xAppRmrEndpoint, p.ClientEndpoint.Host)
if err != nil {
xapp.Logger.Error("Subscription with id in REST request does not exist")
return nil, common.SubscribeNotFoundCode
}
c.WriteRESTSubscriptionToDb(restSubId, restSubscription)
- e2SubscriptionDirectives, err := c.GetE2SubscriptionDirectives(p)
- if err != nil {
- xapp.Logger.Error("%s", err)
- c.registry.DeleteRESTSubscription(&restSubId)
- return nil, common.SubscribeBadRequestCode
- }
go c.processSubscriptionRequests(restSubscription, &subReqList, p.ClientEndpoint, p.Meid, &restSubId, xAppRmrEndpoint, md5sum, e2SubscriptionDirectives)
c.UpdateCounter(cRestSubRespToXapp)
restSubscription.AddMd5Sum(md5sum)
xapp.Logger.Debug("SubscriptionRequest index=%v processed successfullyfor %s. endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
index, *restSubId, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
- c.sendSuccesfullResponseNotification(restSubId, restSubscription, xAppEventInstanceID, e2EventInstanceID, clientEndpoint, trans)
+ c.sendSuccesfullResponseNotification(restSubId, restSubscription, xAppEventInstanceID, e2EventInstanceID, clientEndpoint, trans, errorInfo)
}
}
}
case *e2ap.E2APSubscriptionResponse:
trans.Release()
if c.e2IfState.IsE2ConnectionUp(meid) == true {
+ errorInfo = c.e2ap.CheckActionNotAdmittedList(xapp.RIC_SUB_RESP, themsg.ActionNotAdmittedList, c)
return themsg, &errorInfo, nil
} else {
c.registry.RemoveFromSubscription(subs, trans, waitRouteCleanup_ms, c)
errorInfo.SetInfo(err.Error(), models.SubscriptionInstanceErrorSourceE2Node, "")
}
case *e2ap.E2APSubscriptionFailure:
- err = fmt.Errorf("E2 SubscriptionFailure received")
+ err = fmt.Errorf("RICSubscriptionFailure. E2NodeCause: (Cause:%v, Value %v)", themsg.Cause.Content, themsg.Cause.Value)
errorInfo.SetInfo(err.Error(), models.SubscriptionInstanceErrorSourceE2Node, "")
case *PackSubscriptionRequestErrortEvent:
- err = fmt.Errorf("E2 SubscriptionRequest pack failure")
+ err = fmt.Errorf("E2 RICSubscriptionRequest pack failure")
errorInfo = themsg.ErrorInfo
case *SDLWriteErrortEvent:
err = fmt.Errorf("SDL write failure")
}
} else {
// Timer expiry
- err = fmt.Errorf("E2 subscription response timeout")
+ err = fmt.Errorf("E2 RICSubscriptionResponse timeout")
errorInfo.SetInfo(err.Error(), "", models.SubscriptionInstanceTimeoutTypeE2Timeout)
if subs.PolicyUpdate == true {
return nil, &errorInfo, err
}
}
- xapp.Logger.Error("XAPP-SubReq E2 subscription failed %s", idstring(err, trans, subs))
+ xapp.Logger.Error("XAPP-SubReq E2 subscription failed: %s", idstring(err, trans, subs))
c.registry.RemoveFromSubscription(subs, trans, waitRouteCleanup_ms, c)
+
return nil, &errorInfo, err
}
restSubscription.SetProcessed(err)
c.UpdateRESTSubscriptionInDB(*restSubId, restSubscription, false)
if trans != nil {
- xapp.Logger.Debug("Sending unsuccessful REST notification (cause %s) to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
- errorInfo.ErrorCause, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
+ xapp.Logger.Debug("Sending unsuccessful REST notification: ErrorCause:%s, ErrorSource:%s, TimeoutType:%s, to Endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
+ errorInfo.ErrorCause, errorInfo.ErrorSource, errorInfo.TimeoutType, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
} else {
- xapp.Logger.Debug("Sending unsuccessful REST notification (cause %s) to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v",
- errorInfo.ErrorCause, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID)
+ xapp.Logger.Debug("Sending unsuccessful REST notification: ErrorCause:%s, ErrorSource:%s, TimeoutType:%s, to Endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v",
+ errorInfo.ErrorCause, errorInfo.ErrorSource, errorInfo.TimeoutType, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID)
}
c.UpdateCounter(cRestSubFailNotifToXapp)
- xapp.Subscription.Notify(resp, *clientEndpoint)
+ err = xapp.Subscription.Notify(resp, *clientEndpoint)
+ if err != nil {
+ xapp.Logger.Error("xapp.Subscription.Notify failed %s", err.Error())
+ }
// E2 is down. Delete completely processed request safely now
if c.e2IfState.IsE2ConnectionUp(&restSubscription.Meid) == false && restSubscription.SubReqOngoing == false {
//
//-------------------------------------------------------------------
func (c *Control) sendSuccesfullResponseNotification(restSubId *string, restSubscription *RESTSubscription, xAppEventInstanceID int64, e2EventInstanceID int64,
- clientEndpoint *models.SubscriptionParamsClientEndpoint, trans *TransactionXapp) {
+ clientEndpoint *models.SubscriptionParamsClientEndpoint, trans *TransactionXapp, errorInfo *ErrorInfo) {
// Store successfully processed InstanceId for deletion
restSubscription.AddE2InstanceId((uint32)(e2EventInstanceID))
SubscriptionID: restSubId,
SubscriptionInstances: []*models.SubscriptionInstance{
&models.SubscriptionInstance{E2EventInstanceID: &e2EventInstanceID,
- ErrorCause: "",
+ ErrorCause: errorInfo.ErrorCause,
+ ErrorSource: errorInfo.ErrorSource,
XappEventInstanceID: &xAppEventInstanceID},
},
}
// Mark REST subscription request processesd.
restSubscription.SetProcessed(nil)
c.UpdateRESTSubscriptionInDB(*restSubId, restSubscription, false)
- xapp.Logger.Debug("Sending successful REST notification to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
- clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
-
+ xapp.Logger.Debug("Sending successful REST notification: ErrorCause:%s, ErrorSource:%s, TimeoutType:%s, to Endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
+ errorInfo.ErrorCause, errorInfo.ErrorSource, errorInfo.TimeoutType, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
c.UpdateCounter(cRestSubNotifToXapp)
- xapp.Subscription.Notify(resp, *clientEndpoint)
+ err := xapp.Subscription.Notify(resp, *clientEndpoint)
+ if err != nil {
+ xapp.Logger.Error("xapp.Subscription.Notify failed %s", err.Error())
+ }
// E2 is down. Delete completely processed request safely now
if c.e2IfState.IsE2ConnectionUp(&restSubscription.Meid) == false && restSubscription.SubReqOngoing == false {
return xAppEventInstanceID, nil
}
-//-------------------------------------------------------------------
-//
-//-------------------------------------------------------------------
-func (c *Control) RESTQueryHandler() (models.SubscriptionList, error) {
- xapp.Logger.Debug("RESTQueryHandler() called")
-
- c.CntRecvMsg++
-
- return c.registry.QueryHandler()
-}
-
-func (c *Control) TestRestHandler(w http.ResponseWriter, r *http.Request) {
- xapp.Logger.Debug("RESTTestRestHandler() called")
-
- pathParams := mux.Vars(r)
- s := pathParams["testId"]
-
- // This can be used to delete single subscription from db
- if contains := strings.Contains(s, "deletesubid="); contains == true {
- var splits = strings.Split(s, "=")
- if subId, err := strconv.ParseInt(splits[1], 10, 64); err == nil {
- xapp.Logger.Debug("RemoveSubscriptionFromSdl() called. subId = %v", subId)
- c.RemoveSubscriptionFromSdl(uint32(subId))
- return
- }
- }
-
- // This can be used to remove all subscriptions db from
- if s == "emptydb" {
- xapp.Logger.Debug("RemoveAllSubscriptionsFromSdl() called")
- c.RemoveAllSubscriptionsFromSdl()
- c.RemoveAllRESTSubscriptionsFromSdl()
- return
- }
-
- // This is meant to cause submgr's restart in testing
- if s == "restart" {
- xapp.Logger.Debug("os.Exit(1) called")
- os.Exit(1)
- }
-
- xapp.Logger.Debug("Unsupported rest command received %s", s)
-}
-
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
go c.handleE2TSubscriptionDeleteResponse(msg)
case xapp.RIC_SUB_DEL_FAILURE:
go c.handleE2TSubscriptionDeleteFailure(msg)
+ case xapp.RIC_SUB_DEL_REQUIRED:
+ go c.handleE2TSubscriptionDeleteRequired(msg)
default:
xapp.Logger.Debug("Unknown Message Type '%d', discarding", msg.Mtype)
}
//------------------------------------------------------------------
func (c *Control) wakeSubscriptionRequest(subs *Subscription, trans *TransactionXapp) {
- e2SubscriptionDirectives, _ := c.GetE2SubscriptionDirectives(nil)
+ e2SubscriptionDirectives, err := c.GetE2SubscriptionDirectives(nil)
+ if err != nil {
+ xapp.Logger.Error("c.GetE2SubscriptionDirectives failure: %s", err.Error())
+ }
subs.OngoingReqCount++
go c.handleSubscriptionCreate(subs, trans, e2SubscriptionDirectives, waitRouteCleanup_ms)
event, _ := trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
subs.OngoingReqCount--
- var err error
if event != nil {
switch themsg := event.(type) {
case *e2ap.E2APSubscriptionResponse:
if err == nil {
trans.Release()
c.UpdateCounter(cSubRespToXapp)
- c.rmrSendToXapp("", subs, trans)
+ err := c.rmrSendToXapp("", subs, trans)
+ if err != nil {
+ xapp.Logger.Error("rmrSendToXapp() failed:%s", err.Error())
+ }
return
}
case *e2ap.E2APSubscriptionFailure:
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteResponse(subDelRespMsg)
if err == nil {
c.UpdateCounter(cSubDelRespToXapp)
- c.rmrSendToXapp("", subs, trans)
+ err := c.rmrSendToXapp("", subs, trans)
+ if err != nil {
+ xapp.Logger.Error("rmrSendToXapp() failed:%s", err.Error())
+ }
}
}
if err != nil {
valid = false
c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
+
}
// Now RemoveFromSubscription in here to avoid race conditions (mostly concerns delete)
} else {
c.UpdateCounter(cSubReReqToE2)
}
- c.rmrSendToE2T(desc, subs, trans)
+ err := c.rmrSendToE2T(desc, subs, trans)
+ if err != nil {
+ xapp.Logger.Error("rmrSendToE2T() failed:%s", err.Error())
+ }
+
if subs.DoNotWaitSubResp == false {
event, timedOut = trans.WaitEvent(e2SubscriptionDirectives.E2TimeoutTimerValue)
if timedOut {
} else {
c.UpdateCounter(cSubDelReReqToE2)
}
- c.rmrSendToE2T(desc, subs, trans)
+ err := c.rmrSendToE2T(desc, subs, trans)
+ if err != nil {
+ xapp.Logger.Error("SUBS-SubDelReq: rmrSendToE2T failure: %s", idstring(err, trans, subs, parentTrans))
+ }
event, timedOut = trans.WaitEvent(e2tSubDelReqTime)
if timedOut {
c.UpdateCounter(cSubDelReqTimerExpiry)
//-------------------------------------------------------------------
// handle from E2T Subscription Delete Response
//-------------------------------------------------------------------
-func (c *Control) handleE2TSubscriptionDeleteResponse(params *xapp.RMRParams) (err error) {
+func (c *Control) handleE2TSubscriptionDeleteResponse(params *xapp.RMRParams) {
xapp.Logger.Debug("MSG from E2T: %s", params.String())
c.UpdateCounter(cSubDelRespFromE2)
subDelRespMsg, err := c.e2ap.UnpackSubscriptionDeleteResponse(params.Payload)
}
}
-func (c *Control) SendSubscriptionDeleteReq(subs *Subscription) {
+func (c *Control) SendSubscriptionDeleteReq(subs *Subscription, e2SubsDelRequired bool) {
if c.UTTesting == true {
// Reqistry mutex is not locked after real restart but it can be when restart is simulated in unit tests
params.Payload = payload.Buf
params.Mbuf = nil
subs.DeleteFromDb = true
- c.handleXAPPSubscriptionDeleteRequest(params)
+ if !e2SubsDelRequired {
+ c.handleXAPPSubscriptionDeleteRequest(params)
+ } else {
+ c.SendSubscriptionDeleteReqToE2T(subs, params)
+ }
}
}
}
}
}
}
+
+//-------------------------------------------------------------------
+// handle from E2T Subscription Delete Required
+//-------------------------------------------------------------------
+func (c *Control) handleE2TSubscriptionDeleteRequired(params *xapp.RMRParams) {
+ xapp.Logger.Info("MSG from E2T: %s", params.String())
+ c.UpdateCounter(cSubDelRequFromE2)
+ subsDelRequMsg, err := c.e2ap.UnpackSubscriptionDeleteRequired(params.Payload)
+ if err != nil {
+ xapp.Logger.Error("MSG-SubDelRequired: %s", idstring(err, params))
+ //c.sendE2TErrorIndication(nil)
+ return
+ }
+ var subscriptions = map[string][]e2ap.E2APSubscriptionDeleteRequired{}
+ var subDB = []*Subscription{}
+ for _, subsTobeRemove := range subsDelRequMsg.E2APSubscriptionDeleteRequiredRequests {
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{subsTobeRemove.RequestId.InstanceId})
+ if err != nil {
+ xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, params))
+ continue
+ }
+ // Check if Delete Subscription Already triggered
+ if subs.OngoingDelCount > 0 {
+ continue
+ }
+ subDB = append(subDB, subs)
+ for _, endpoint := range subs.EpList.Endpoints {
+ subscriptions[endpoint.Addr] = append(subscriptions[endpoint.Addr], subsTobeRemove)
+ }
+ // Sending Subscription Delete Request to E2T
+ // c.SendSubscriptionDeleteReq(subs, true)
+ }
+ for _, subsTobeRemove := range subDB {
+ // Sending Subscription Delete Request to E2T
+ c.SendSubscriptionDeleteReq(subsTobeRemove, true)
+ }
+}
+
+//-----------------------------------------------------------------
+// Initiate RIC Subscription Delete Request after receiving
+// RIC Subscription Delete Required from E2T
+//-----------------------------------------------------------------
+func (c *Control) SendSubscriptionDeleteReqToE2T(subs *Subscription, params *xapp.RMRParams) {
+ xapp.Logger.Debug("MSG TO E2T: %s", params.String())
+ c.UpdateCounter(cSubDelReqToE2)
+
+ if c.e2IfState.IsE2ConnectionUp(¶ms.Meid.RanName) == false {
+ xapp.Logger.Error("No E2 connection for ranName %v", params.Meid.RanName)
+ return
+ }
+
+ trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(params.Src), params.Xid, subs.ReqId.RequestId, params.Meid)
+ if trans == nil {
+ xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(fmt.Errorf("transaction not created"), params))
+ return
+ }
+ defer trans.Release()
+
+ err := c.tracker.Track(trans)
+ if err != nil {
+ xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
+ return
+ }
+
+ //
+ // Wake subs delete
+ //
+ subs.OngoingDelCount++
+ go c.handleSubscriptionDelete(subs, trans, waitRouteCleanup_ms)
+ trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
+ subs.OngoingDelCount--
+
+ xapp.Logger.Debug("XAPP-SubDelReq: Handling event %s ", idstring(nil, trans, subs))
+
+ if subs.NoRespToXapp == true {
+ // Do no send delete responses to xapps due to submgr restart is deleting uncompleted subscriptions
+ xapp.Logger.Debug("XAPP-SubDelReq: subs.NoRespToXapp == true")
+ return
+ }
+}
Code Review / ric-plt / submgr.git / blobdiff