"routing-manager/pkg/sdl"
"strconv"
"time"
+ "sync"
+ "strings"
)
//var myClient = &http.Client{Timeout: 1 * time.Second}
Engine
LaunchRest LaunchRestHandler
RecvXappCallbackData RecvXappCallbackDataHandler
+ RecvNewE2Tdata RecvNewE2TdataHandler
ProvideXappHandleHandlerImpl ProvideXappHandleHandlerImpl
RetrieveStartupData RetrieveStartupDataHandler
}
instance := new(HttpRestful)
instance.LaunchRest = launchRest
instance.RecvXappCallbackData = recvXappCallbackData
+ instance.RecvNewE2Tdata = recvNewE2Tdata
instance.ProvideXappHandleHandlerImpl = provideXappHandleHandlerImpl
instance.RetrieveStartupData = retrieveStartupData
return instance
return nil, nil
}
+func recvNewE2Tdata(dataChannel <-chan *models.E2tData) (*rtmgr.E2TInstance, error) {
+ var e2tData *models.E2tData
+ xapp.Logger.Info("data received")
+
+ e2tData = <-dataChannel
+
+ if nil != e2tData {
+
+ e2tinst := rtmgr.E2TInstance {
+ Ranlist : make([]string, len(e2tData.RanNamelist)),
+ }
+
+ e2tinst.Fqdn = *e2tData.E2TAddress
+ e2tinst.Name = "E2TERMINST"
+ copy(e2tinst.Ranlist, e2tData.RanNamelist)
+
+ return &e2tinst,nil
+
+ } else {
+ xapp.Logger.Info("No data")
+ }
+
+ xapp.Logger.Debug("Nothing received on the Http interface")
+ return nil, nil
+}
+
func validateXappCallbackData(callbackData *models.XappCallbackData) error {
if len(callbackData.XApps) == 0 {
return fmt.Errorf("invalid Data field: \"%s\"", callbackData.XApps)
return err
}
+func validateE2tData(data *models.E2tData) error {
+
+ e2taddress_key := *data.E2TAddress
+ if (e2taddress_key == "") {
+ return fmt.Errorf("E2TAddress is empty!!!")
+ }
+ stringSlice := strings.Split(e2taddress_key, ":")
+ if (len(stringSlice) == 1) {
+ return fmt.Errorf("E2T E2TAddress is not a proper format like ip:port, %v", e2taddress_key )
+ }
+
+ if checkValidaE2TAddress(e2taddress_key) {
+ return fmt.Errorf("E2TAddress already exist!!!, E2TAddress: %v",e2taddress_key)
+ }
+
+ return nil
+}
+
+func validateDeleteE2tData(data *models.E2tDeleteData) error {
+
+ if (*data.E2TAddress == "") {
+ return fmt.Errorf("E2TAddress is empty!!!")
+ }
+
+ for _, element := range data.RanAssocList {
+ e2taddress_key := *element.E2TAddress
+ stringSlice := strings.Split(e2taddress_key, ":")
+
+ if (len(stringSlice) == 1) {
+ return fmt.Errorf("E2T Delete - RanAssocList E2TAddress is not a proper format like ip:port, %v", e2taddress_key)
+ }
+
+
+ if !checkValidaE2TAddress(e2taddress_key) {
+ return fmt.Errorf("E2TAddress doesn't exist!!!, E2TAddress: %v",e2taddress_key)
+ }
+
+ }
+ return nil
+}
+
+func checkValidaE2TAddress(e2taddress string) bool {
+
+ _, exist := rtmgr.Eps[e2taddress]
+ return exist
+
+}
+
func provideXappSubscriptionHandleImpl(subchan chan<- *models.XappSubscriptionData,
data *models.XappSubscriptionData) error {
xapp.Logger.Debug("Invoked provideXappSubscriptionHandleImpl")
return nil
}
+func createNewE2tHandleHandlerImpl(e2taddchan chan<- *models.E2tData,
+ data *models.E2tData) error {
+ xapp.Logger.Debug("Invoked createNewE2tHandleHandlerImpl")
+ err := validateE2tData(data)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+ e2taddchan <- data
+ return nil
+}
+
+func validateE2TAddressRANListData(assRanE2tData models.RanE2tMap) error {
+
+ xapp.Logger.Debug("Invoked.validateE2TAddressRANListData : %v", assRanE2tData)
+
+ for _, element := range assRanE2tData {
+ if *element.E2TAddress == "" {
+ return fmt.Errorf("E2T Instance - E2TAddress is empty!!!")
+ }
+
+ e2taddress_key := *element.E2TAddress
+ if !checkValidaE2TAddress(e2taddress_key) {
+ return fmt.Errorf("E2TAddress doesn't exist!!!, E2TAddress: %v",e2taddress_key)
+ }
+
+ }
+ return nil
+}
+
+func associateRanToE2THandlerImpl(assranchan chan<- models.RanE2tMap,
+ data models.RanE2tMap) error {
+ xapp.Logger.Debug("Invoked associateRanToE2THandlerImpl")
+ err := validateE2TAddressRANListData(data)
+ if err != nil {
+ xapp.Logger.Warn(" Association of RAN to E2T Instance data validation failed: " + err.Error())
+ return err
+ }
+ assranchan <- data
+ return nil
+}
+
+func disassociateRanToE2THandlerImpl(disassranchan chan<- models.RanE2tMap,
+ data models.RanE2tMap) error {
+ xapp.Logger.Debug("Invoked disassociateRanToE2THandlerImpl")
+ err := validateE2TAddressRANListData(data)
+ if err != nil {
+ xapp.Logger.Warn(" Disassociation of RAN List from E2T Instance data validation failed: " + err.Error())
+ return err
+ }
+ disassranchan <- data
+ return nil
+}
+
+func deleteE2tHandleHandlerImpl(e2tdelchan chan<- *models.E2tDeleteData,
+ data *models.E2tDeleteData) error {
+ xapp.Logger.Debug("Invoked deleteE2tHandleHandlerImpl")
+
+ err := validateDeleteE2tData(data)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+
+ e2tdelchan <- data
+ return nil
+}
+
func launchRest(nbiif *string, datach chan<- *models.XappCallbackData, subchan chan<- *models.XappSubscriptionData,
- subdelchan chan<- *models.XappSubscriptionData) {
+ subdelchan chan<- *models.XappSubscriptionData, e2taddchan chan<- *models.E2tData, assranchan chan<- models.RanE2tMap, disassranchan chan<- models.RanE2tMap, e2tdelchan chan<- *models.E2tDeleteData) {
swaggerSpec, err := loads.Embedded(restapi.SwaggerJSON, restapi.FlatSwaggerJSON)
if err != nil {
//log.Fatalln(err)
return handle.NewGetHandlesOK()
}
})
+ api.HandleCreateNewE2tHandleHandler = handle.CreateNewE2tHandleHandlerFunc(
+ func(params handle.CreateNewE2tHandleParams) middleware.Responder {
+ err := createNewE2tHandleHandlerImpl(e2taddchan, params.E2tData)
+ if err != nil {
+ return handle.NewCreateNewE2tHandleBadRequest()
+ } else {
+ time.Sleep(1 * time.Second)
+ return handle.NewCreateNewE2tHandleCreated()
+ }
+ })
+
+ api.HandleAssociateRanToE2tHandleHandler = handle.AssociateRanToE2tHandleHandlerFunc(
+ func(params handle.AssociateRanToE2tHandleParams) middleware.Responder {
+ err := associateRanToE2THandlerImpl(assranchan, params.RanE2tList)
+ if err != nil {
+ return handle.NewAssociateRanToE2tHandleBadRequest()
+ } else {
+ time.Sleep(1 * time.Second)
+ return handle.NewAssociateRanToE2tHandleCreated()
+ }
+ })
+
+ api.HandleDissociateRanHandler = handle.DissociateRanHandlerFunc(
+ func(params handle.DissociateRanParams) middleware.Responder {
+ err := disassociateRanToE2THandlerImpl(disassranchan, params.DissociateList)
+ if err != nil {
+ return handle.NewDissociateRanBadRequest()
+ } else {
+ time.Sleep(1 * time.Second)
+ return handle.NewDissociateRanCreated()
+ }
+ })
+
+ api.HandleDeleteE2tHandleHandler = handle.DeleteE2tHandleHandlerFunc(
+ func(params handle.DeleteE2tHandleParams) middleware.Responder {
+ err := deleteE2tHandleHandlerImpl(e2tdelchan, params.E2tData)
+ if err != nil {
+ return handle.NewDeleteE2tHandleBadRequest()
+ } else {
+ time.Sleep(1 * time.Second)
+ return handle.NewDeleteE2tHandleCreated()
+ }
+ })
// start to serve API
xapp.Logger.Info("Starting the HTTP Rest service")
if err := server.Serve(); err != nil {
}
xapp.Logger.Info("Recieved intial xapp data and platform data, writing into SDL.")
// Combine the xapps data and platform data before writing to the SDL
- ricData := &rtmgr.RicComponents{XApps: *xappData, Pcs: *pcData}
+ ricData := &rtmgr.RicComponents{XApps: *xappData, Pcs: *pcData, E2Ts: make(map[string]rtmgr.E2TInstance)}
writeErr := sdlEngine.WriteAll(fileName, ricData)
if writeErr != nil {
xapp.Logger.Error(writeErr.Error())
}
func (r *HttpRestful) Initialize(xmurl string, nbiif string, fileName string, configfile string,
- sdlEngine sdl.Engine, rpeEngine rpe.Engine, triggerSBI chan<- bool) error {
+ sdlEngine sdl.Engine, rpeEngine rpe.Engine, triggerSBI chan<- bool, m *sync.Mutex) error {
err := r.RetrieveStartupData(xmurl, nbiif, fileName, configfile, sdlEngine)
if err != nil {
xapp.Logger.Error("Exiting as nbi failed to get the initial startup data from the xapp manager: " + err.Error())
datach := make(chan *models.XappCallbackData, 10)
subschan := make(chan *models.XappSubscriptionData, 10)
subdelchan := make(chan *models.XappSubscriptionData, 10)
+ e2taddchan := make(chan *models.E2tData, 10)
+ associateranchan := make(chan models.RanE2tMap, 10)
+ disassociateranchan := make(chan models.RanE2tMap, 10)
+ e2tdelchan := make(chan *models.E2tDeleteData, 10)
xapp.Logger.Info("Launching Rest Http service")
go func() {
- r.LaunchRest(&nbiif, datach, subschan, subdelchan)
+ r.LaunchRest(&nbiif, datach, subschan, subdelchan, e2taddchan, associateranchan, disassociateranchan, e2tdelchan)
}()
go func() {
xapp.Logger.Debug("Fetching all xApps deployed in xApp Manager through GET operation.")
alldata, err1 := httpGetXApps(xmurl)
if alldata != nil && err1 == nil {
+ m.Lock()
sdlEngine.WriteXApps(fileName, alldata)
+ m.Unlock()
triggerSBI <- true
}
}
}
}()
+ go func() {
+ for {
+ xapp.Logger.Debug("received create New E2T data")
+
+ data, _ := r.RecvNewE2Tdata(e2taddchan)
+ if data != nil {
+ m.Lock()
+ sdlEngine.WriteNewE2TInstance(fileName, data)
+ m.Unlock()
+ triggerSBI <- true
+ }
+ }
+ }()
+
+ go func() {
+ for {
+ data := <-associateranchan
+ xapp.Logger.Debug("received associate RAN list to E2T instance mapping from E2 Manager")
+ m.Lock()
+ sdlEngine.WriteAssRANToE2TInstance(fileName, data)
+ m.Unlock()
+ triggerSBI <- true
+ }
+ }()
+
+ go func() {
+ for {
+
+ data := <-disassociateranchan
+ xapp.Logger.Debug("received disassociate RANs from E2T instance")
+ m.Lock()
+ sdlEngine.WriteDisAssRANFromE2TInstance(fileName, data)
+ m.Unlock()
+ triggerSBI <- true
+ }
+ }()
+
+ go func() {
+ for {
+ xapp.Logger.Debug("received Delete E2T data")
+
+ data := <-e2tdelchan
+ if data != nil {
+ m.Lock()
+ sdlEngine.WriteDeleteE2TInstance(fileName, data)
+ m.Unlock()
+ triggerSBI <- true
+ }
+ }
+ }()
+
return nil
}