WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
+
+
+ This source code is part of the near-RT RIC (RAN Intelligent Controller)
+ platform project (RICP).
+
==================================================================================
*/
/*
package nbi
+//noinspection GoUnresolvedReference,GoUnresolvedReference,GoUnresolvedReference,GoUnresolvedReference,GoUnresolvedReference,GoUnresolvedReference
import (
+ "encoding/json"
+ "errors"
"fmt"
- "os"
- "time"
+ xfmodel "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/models"
+ "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+ "github.com/go-openapi/loads"
+ "github.com/go-openapi/runtime/middleware"
+ "net"
"net/url"
- "strconv"
- "errors"
- "encoding/json"
- "routing-manager/pkg/rtmgr"
- "routing-manager/pkg/rpe"
- "routing-manager/pkg/sdl"
+ "os"
"routing-manager/pkg/models"
"routing-manager/pkg/restapi"
"routing-manager/pkg/restapi/operations"
- "github.com/go-openapi/runtime/middleware"
+ "routing-manager/pkg/restapi/operations/debug"
"routing-manager/pkg/restapi/operations/handle"
- loads "github.com/go-openapi/loads"
+ "routing-manager/pkg/rpe"
+ "routing-manager/pkg/rtmgr"
+ "routing-manager/pkg/sdl"
+ "strconv"
+ "strings"
+ "sync"
+ "time"
)
-//var myClient = &http.Client{Timeout: 1 * time.Second}
-
type HttpRestful struct {
- NbiEngine
+ Engine
LaunchRest LaunchRestHandler
- RecvXappCallbackData RecvXappCallbackDataHandler
- ProvideXappHandleHandlerImpl ProvideXappHandleHandlerImpl
RetrieveStartupData RetrieveStartupDataHandler
}
func NewHttpRestful() *HttpRestful {
instance := new(HttpRestful)
instance.LaunchRest = launchRest
- instance.RecvXappCallbackData = recvXappCallbackData
- instance.ProvideXappHandleHandlerImpl = provideXappHandleHandlerImpl
instance.RetrieveStartupData = retrieveStartupData
return instance
}
-// ToDo: Use Range over channel. Read and return only the latest one.
-func recvXappCallbackData(dataChannel <-chan *models.XappCallbackData) (*[]rtmgr.XApp, error) {
- var xappData *models.XappCallbackData
- // Drain the channel as we are only looking for the latest value until
- // xapp manager sends all xapp data with every request.
- length := len(dataChannel)
- //rtmgr.Logger.Info(length)
- for i := 0; i <= length; i++ {
- rtmgr.Logger.Info("data received")
- // If no data received from the REST, it blocks.
- xappData = <-dataChannel
- }
+func recvXappCallbackData(xappData *models.XappCallbackData) (*[]rtmgr.XApp, error) {
if nil != xappData {
- var xapps []rtmgr.XApp
- err := json.Unmarshal([]byte(xappData.XApps), &xapps)
+ var xapps []rtmgr.XApp
+ err := json.Unmarshal([]byte(xappData.XApps), &xapps)
return &xapps, err
} else {
- rtmgr.Logger.Info("No data")
+ xapp.Logger.Info("No data")
}
- rtmgr.Logger.Debug("Nothing received on the Http interface")
+ xapp.Logger.Debug("Nothing received on the Http interface")
return nil, nil
+}
+func recvNewE2Tdata(e2tData *models.E2tData) (*rtmgr.E2TInstance, string, error) {
+ var str string
+ xapp.Logger.Info("data received")
+
+ if nil != e2tData {
+
+ e2tinst := rtmgr.E2TInstance{
+ Ranlist: make([]string, len(e2tData.RanNamelist)),
+ }
+
+ e2tinst.Fqdn = *e2tData.E2TAddress
+ e2tinst.Name = "E2TERMINST"
+ copy(e2tinst.Ranlist, e2tData.RanNamelist)
+ if len(e2tData.RanNamelist) > 0 {
+ var meidar string
+ for _, meid := range e2tData.RanNamelist {
+ meidar += meid + " "
+ }
+ str = "mme_ar|" + *e2tData.E2TAddress + "|" + strings.TrimSuffix(meidar, " ")
+ }
+ return &e2tinst, str, nil
+
+ } else {
+ xapp.Logger.Info("No data")
+ }
+
+ xapp.Logger.Debug("Nothing received on the Http interface")
+ return nil, str, nil
}
func validateXappCallbackData(callbackData *models.XappCallbackData) error {
if len(callbackData.XApps) == 0 {
- return fmt.Errorf("Invalid Data field: \"%s\"", callbackData.XApps)
+ return fmt.Errorf("invalid Data field: \"%s\"", callbackData.XApps)
}
var xapps []rtmgr.XApp
- err := json.Unmarshal([]byte(callbackData.XApps), &xapps)
- if err != nil {
- return fmt.Errorf("Unmarshal failed: \"%s\"", err.Error())
+ err := json.Unmarshal([]byte(callbackData.XApps), &xapps)
+ if err != nil {
+ return fmt.Errorf("unmarshal failed: \"%s\"", err.Error())
}
return nil
}
-func provideXappHandleHandlerImpl(datach chan<- *models.XappCallbackData, data *models.XappCallbackData) error {
+func provideXappHandleHandlerImpl(data *models.XappCallbackData) error {
if data != nil {
- rtmgr.Logger.Debug("Received callback data")
+ xapp.Logger.Debug("Received callback data")
}
err := validateXappCallbackData(data)
if err != nil {
- rtmgr.Logger.Debug("XApp callback data validation failed: "+err.Error())
+ xapp.Logger.Warn("XApp callback data validation failed: " + err.Error())
return err
} else {
- datach<-data
+ appdata, err := recvXappCallbackData(data)
+ if err != nil {
+ xapp.Logger.Error("cannot get data from rest api dute to: " + err.Error())
+ } else if appdata != nil {
+ xapp.Logger.Debug("Fetching all xApps deployed in xApp Manager through GET operation.")
+ alldata, err1 := httpGetXApps(xapp.Config.GetString("xmurl"))
+ if alldata != nil && err1 == nil {
+ m.Lock()
+ sdlEngine.WriteXApps(xapp.Config.GetString("rtfile"), alldata)
+ m.Unlock()
+ return sendRoutesToAll()
+ }
+ }
+
return nil
}
}
return err
}
-func provideXappSubscriptionHandleImpl(subchan chan<- *models.XappSubscriptionData,
- data *models.XappSubscriptionData) error {
- rtmgr.Logger.Debug("Invoked provideXappSubscriptionHandleImpl")
+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)
+ }
+
+ _, err := net.LookupIP(stringSlice[0])
+ if err != nil {
+ return fmt.Errorf("E2T E2TAddress DNS look up failed, E2TAddress: %v", stringSlice[0])
+ }
+
+ 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(data *models.XappSubscriptionData) error {
+ xapp.Logger.Debug("Invoked provideXappSubscriptionHandleImpl")
err := validateXappSubscriptionData(data)
if err != nil {
- rtmgr.Logger.Error(err.Error())
+ xapp.Logger.Error(err.Error())
return err
}
- subchan <- data
- //var val = string(*data.Address + ":" + strconv.Itoa(int(*data.Port)))
- rtmgr.Logger.Debug("Endpoints: %v", rtmgr.Eps)
+ xapp.Logger.Debug("received XApp subscription data")
+ addSubscription(&rtmgr.Subs, data)
+ xapp.Logger.Debug("Endpoints: %v", rtmgr.Eps)
+ return sendRoutesToAll()
+}
+
+func subscriptionExists(data *models.XappSubscriptionData) bool {
+ present := false
+ sub := rtmgr.Subscription{SubID: *data.SubscriptionID, Fqdn: *data.Address, Port: *data.Port}
+ for _, elem := range rtmgr.Subs {
+ if elem == sub {
+ present = true
+ break
+ }
+ }
+ return present
+}
+
+func deleteXappSubscriptionHandleImpl(data *models.XappSubscriptionData) error {
+ xapp.Logger.Debug("Invoked deleteXappSubscriptionHandleImpl")
+ err := validateXappSubscriptionData(data)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+
+ if !subscriptionExists(data) {
+ xapp.Logger.Warn("subscription not found: %d", *data.SubscriptionID)
+ err := fmt.Errorf("subscription not found: %d", *data.SubscriptionID)
+ return err
+ }
+
+ xapp.Logger.Debug("received XApp subscription delete data")
+ delSubscription(&rtmgr.Subs, data)
+ return sendRoutesToAll()
+
+}
+
+func updateXappSubscriptionHandleImpl(data *models.XappList, subid uint16) error {
+ xapp.Logger.Debug("Invoked updateXappSubscriptionHandleImpl")
+
+ var fqdnlist []rtmgr.FqDn
+ for _, item := range *data {
+ fqdnlist = append(fqdnlist, rtmgr.FqDn(*item))
+ }
+ xapplist := rtmgr.XappList{SubscriptionID: subid, FqdnList: fqdnlist}
+ var subdata models.XappSubscriptionData
+ var id int32
+ id = int32(subid)
+ subdata.SubscriptionID = &id
+ for _, items := range fqdnlist {
+ subdata.Address = items.Address
+ subdata.Port = items.Port
+ err := validateXappSubscriptionData(&subdata)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+ }
+ xapp.Logger.Debug("received XApp subscription Merge data")
+ updateSubscription(&xapplist)
+ return sendRoutesToAll()
+}
+
+func createNewE2tHandleHandlerImpl(data *models.E2tData) error {
+ xapp.Logger.Debug("Invoked createNewE2tHandleHandlerImpl")
+ err := validateE2tData(data)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+ //e2taddchan <- data
+ e2data, meiddata, _ := recvNewE2Tdata(data)
+ xapp.Logger.Debug("received create New E2T data")
+ m.Lock()
+ sdlEngine.WriteNewE2TInstance(xapp.Config.GetString("rtfile"), e2data, meiddata)
+ m.Unlock()
+ return sendRoutesToAll()
+
+}
+
+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 launchRest(nbiif *string, datach chan<- *models.XappCallbackData, subchan chan<- *models.XappSubscriptionData) {
- swaggerSpec, err := loads.Embedded(restapi.SwaggerJSON, restapi.FlatSwaggerJSON)
- if err != nil {
- //log.Fatalln(err)
- rtmgr.Logger.Error(err.Error())
- os.Exit(1)
- }
+func associateRanToE2THandlerImpl(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
+ }
+ xapp.Logger.Debug("received associate RAN list to E2T instance mapping from E2 Manager")
+ m.Lock()
+ sdlEngine.WriteAssRANToE2TInstance(xapp.Config.GetString("rtfile"), data)
+ m.Unlock()
+ return sendRoutesToAll()
+
+}
+
+func disassociateRanToE2THandlerImpl(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
+ }
+ xapp.Logger.Debug("received disassociate RANs from E2T instance")
+ m.Lock()
+ sdlEngine.WriteDisAssRANFromE2TInstance(xapp.Config.GetString("rtfile"), data)
+ m.Unlock()
+ return sendRoutesToAll()
+
+}
+
+func deleteE2tHandleHandlerImpl(data *models.E2tDeleteData) error {
+ xapp.Logger.Debug("Invoked deleteE2tHandleHandlerImpl")
+
+ err := validateDeleteE2tData(data)
+ if err != nil {
+ xapp.Logger.Error(err.Error())
+ return err
+ }
+ m.Lock()
+ sdlEngine.WriteDeleteE2TInstance(xapp.Config.GetString("rtfile"), data)
+ m.Unlock()
+ return sendRoutesToAll()
+
+}
+
+func dumpDebugData() (models.Debuginfo, error) {
+ var response models.Debuginfo
+ sdlEngine, _ := sdl.GetSdl("file")
+ rpeEngine, _ := rpe.GetRpe("rmrpush")
+ data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
+ if err != nil || data == nil {
+ xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
+ return response, err
+ }
+ response.RouteTable = *rpeEngine.GeneratePolicies(rtmgr.Eps, data)
+
+ prettyJSON, err := json.MarshalIndent(data, "", "")
+ response.RouteConfigs = string(prettyJSON)
+
+ return response, err
+}
+
+func launchRest(nbiif *string){
+ swaggerSpec, err := loads.Embedded(restapi.SwaggerJSON, restapi.FlatSwaggerJSON)
+ if err != nil {
+ //log.Fatalln(err)
+ xapp.Logger.Error(err.Error())
+ os.Exit(1)
+ }
nbiUrl, err := url.Parse(*nbiif)
if err != nil {
- rtmgr.Logger.Error(err.Error())
+ xapp.Logger.Error(err.Error())
os.Exit(1)
}
- api := operations.NewRoutingManagerAPI(swaggerSpec)
- server := restapi.NewServer(api)
- defer server.Shutdown()
-
- server.Port, err = strconv.Atoi(nbiUrl.Port())
- if err != nil {
- rtmgr.Logger.Error("Invalid NBI RestAPI port")
- os.Exit(1)
- }
- server.Host = "0.0.0.0"
- // set handlers
- api.HandleProvideXappHandleHandler = handle.ProvideXappHandleHandlerFunc(
- func(params handle.ProvideXappHandleParams) middleware.Responder {
- rtmgr.Logger.Info("Data received on Http interface")
- err := provideXappHandleHandlerImpl(datach, params.XappCallbackData)
- if err != nil {
- rtmgr.Logger.Error("Invalid XApp callback data: "+err.Error())
- return handle.NewProvideXappHandleBadRequest()
- } else {
- return handle.NewGetHandlesOK()
- }
- })
+ api := operations.NewRoutingManagerAPI(swaggerSpec)
+ server := restapi.NewServer(api)
+ defer server.Shutdown()
+
+ server.Port, err = strconv.Atoi(nbiUrl.Port())
+ if err != nil {
+ xapp.Logger.Error("Invalid NBI RestAPI port")
+ os.Exit(1)
+ }
+ server.Host = "0.0.0.0"
+ // set handlers
+ api.HandleProvideXappHandleHandler = handle.ProvideXappHandleHandlerFunc(
+ func(params handle.ProvideXappHandleParams) middleware.Responder {
+ xapp.Logger.Info("Data received on Http interface")
+ err := provideXappHandleHandlerImpl(params.XappCallbackData)
+ if err != nil {
+ xapp.Logger.Error("Invalid XApp callback data: " + err.Error())
+ return handle.NewProvideXappHandleBadRequest()
+ } else {
+ return handle.NewGetHandlesOK()
+ }
+ })
api.HandleProvideXappSubscriptionHandleHandler = handle.ProvideXappSubscriptionHandleHandlerFunc(
func(params handle.ProvideXappSubscriptionHandleParams) middleware.Responder {
- err := provideXappSubscriptionHandleImpl(subchan, params.XappSubscriptionData)
+ err := provideXappSubscriptionHandleImpl(params.XappSubscriptionData)
if err != nil {
return handle.NewProvideXappSubscriptionHandleBadRequest()
} else {
return handle.NewGetHandlesOK()
}
})
- // start to serve API
- rtmgr.Logger.Info("Starting the HTTP Rest service")
- if err := server.Serve(); err != nil {
- rtmgr.Logger.Error(err.Error())
- }
-}
-
-func httpGetXapps(xmurl string) (*[]rtmgr.XApp, error) {
- rtmgr.Logger.Info("Invoked httpgetter.fetchXappList: " + xmurl)
- r, err := myClient.Get(xmurl)
- if err != nil {
- return nil, err
- }
- defer r.Body.Close()
-
- if r.StatusCode == 200 {
- rtmgr.Logger.Debug("http client raw response: %v", r)
- var xapps []rtmgr.XApp
- err = json.NewDecoder(r.Body).Decode(&xapps)
- if err != nil {
- rtmgr.Logger.Warn("Json decode failed: " + err.Error())
- }
- rtmgr.Logger.Info("HTTP GET: OK")
- rtmgr.Logger.Debug("httpgetter.fetchXappList returns: %v", xapps)
- return &xapps, err
- }
- rtmgr.Logger.Warn("httpgetter got an unexpected http status code: %v", r.StatusCode)
- return nil, nil
-}
-
-func retrieveStartupData(xmurl string, nbiif string, fileName string, configfile string, sdlEngine sdl.SdlEngine) error {
- var readErr error
- var maxRetries = 10
-
- for i := 1; i <= maxRetries; i++ {
- time.Sleep(2 * time.Second)
-
- xappData, err := httpGetXapps(xmurl)
-
- if xappData != nil && err == nil {
- pcData, confErr := rtmgr.GetPlatformComponents(configfile)
- if confErr != nil {
- rtmgr.Logger.Error(confErr.Error())
- return confErr
- }
-
- rtmgr.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}
-
- writeErr := sdlEngine.WriteAll(fileName, ricData)
- if writeErr != nil {
- rtmgr.Logger.Error(writeErr.Error())
- }
- // post subscription req to appmgr
- readErr = PostSubReq(xmurl, nbiif)
- if readErr == nil {
- return nil
- }
- } else if err == nil {
- readErr = errors.New("Unexpected HTTP status code")
- } else {
- rtmgr.Logger.Warn("cannot get xapp data due to: " + err.Error())
- readErr = err
- }
- }
- return readErr
+ api.HandleDeleteXappSubscriptionHandleHandler = handle.DeleteXappSubscriptionHandleHandlerFunc(
+ func(params handle.DeleteXappSubscriptionHandleParams) middleware.Responder {
+ err := deleteXappSubscriptionHandleImpl(params.XappSubscriptionData)
+ if err != nil {
+ return handle.NewDeleteXappSubscriptionHandleNoContent()
+ } else {
+ return handle.NewGetHandlesOK()
+ }
+ })
+ api.HandleUpdateXappSubscriptionHandleHandler = handle.UpdateXappSubscriptionHandleHandlerFunc(
+ func(params handle.UpdateXappSubscriptionHandleParams) middleware.Responder {
+ err := updateXappSubscriptionHandleImpl(¶ms.XappList, params.SubscriptionID)
+ if err != nil {
+ return handle.NewUpdateXappSubscriptionHandleBadRequest()
+ } else {
+ return handle.NewUpdateXappSubscriptionHandleCreated()
+ }
+ })
+ api.HandleCreateNewE2tHandleHandler = handle.CreateNewE2tHandleHandlerFunc(
+ func(params handle.CreateNewE2tHandleParams) middleware.Responder {
+ err := createNewE2tHandleHandlerImpl(params.E2tData)
+ if err != nil {
+ return handle.NewCreateNewE2tHandleBadRequest()
+ } else {
+ return handle.NewCreateNewE2tHandleCreated()
+ }
+ })
+
+ api.HandleAssociateRanToE2tHandleHandler = handle.AssociateRanToE2tHandleHandlerFunc(
+ func(params handle.AssociateRanToE2tHandleParams) middleware.Responder {
+ err := associateRanToE2THandlerImpl(params.RanE2tList)
+ if err != nil {
+ return handle.NewAssociateRanToE2tHandleBadRequest()
+ } else {
+ return handle.NewAssociateRanToE2tHandleCreated()
+ }
+ })
+
+ api.HandleDissociateRanHandler = handle.DissociateRanHandlerFunc(
+ func(params handle.DissociateRanParams) middleware.Responder {
+ err := disassociateRanToE2THandlerImpl(params.DissociateList)
+ if err != nil {
+ return handle.NewDissociateRanBadRequest()
+ } else {
+ return handle.NewDissociateRanCreated()
+ }
+ })
+
+ api.HandleDeleteE2tHandleHandler = handle.DeleteE2tHandleHandlerFunc(
+ func(params handle.DeleteE2tHandleParams) middleware.Responder {
+ err := deleteE2tHandleHandlerImpl(params.E2tData)
+ if err != nil {
+ return handle.NewDeleteE2tHandleBadRequest()
+ } else {
+ return handle.NewDeleteE2tHandleCreated()
+ }
+ })
+ api.DebugGetDebuginfoHandler = debug.GetDebuginfoHandlerFunc(
+ func(params debug.GetDebuginfoParams) middleware.Responder {
+ response, err := dumpDebugData()
+ if err != nil {
+ return debug.NewGetDebuginfoCreated()
+ } else {
+ return debug.NewGetDebuginfoOK().WithPayload(&response)
+ }
+ })
+ api.HandleAddRmrRouteHandler = handle.AddRmrRouteHandlerFunc(
+ func(params handle.AddRmrRouteParams) middleware.Responder {
+ err := adddelrmrroute(params.RoutesList,true)
+ if err != nil {
+ return handle.NewAddRmrRouteBadRequest()
+ } else {
+ return handle.NewAddRmrRouteCreated()
+ }
+
+ })
+ api.HandleDelRmrRouteHandler = handle.DelRmrRouteHandlerFunc(
+ func(params handle.DelRmrRouteParams) middleware.Responder {
+ err := adddelrmrroute(params.RoutesList,false)
+ if err != nil {
+ return handle.NewDelRmrRouteBadRequest()
+ } else {
+ return handle.NewDelRmrRouteCreated()
+ }
+ })
+
+ // start to serve API
+ xapp.Logger.Info("Starting the HTTP Rest service")
+ if err := server.Serve(); err != nil {
+ xapp.Logger.Error(err.Error())
+ }
}
-func (r *HttpRestful) Initialize(xmurl string, nbiif string, fileName string, configfile string,
- sdlEngine sdl.SdlEngine, rpeEngine rpe.RpeEngine, triggerSBI chan<- bool) error {
- err := r.RetrieveStartupData(xmurl, nbiif, fileName, configfile, sdlEngine)
+func httpGetXApps(xmurl string) (*[]rtmgr.XApp, error) {
+ xapp.Logger.Info("Invoked httprestful.httpGetXApps: " + xmurl)
+ r, err := myClient.Get(xmurl)
if err != nil {
- rtmgr.Logger.Error("Exiting as nbi failed to get the intial startup data from the xapp manager: " + err.Error())
- return err
+ return nil, err
}
+ defer r.Body.Close()
- datach := make(chan *models.XappCallbackData, 10)
- subschan := make(chan *models.XappSubscriptionData, 10)
- rtmgr.Logger.Info("Launching Rest Http service")
- go func() {
- r.LaunchRest(&nbiif, datach, subschan)
- }()
+ if r.StatusCode == 200 {
+ xapp.Logger.Debug("http client raw response: %v", r)
+ var xapps []rtmgr.XApp
+ err = json.NewDecoder(r.Body).Decode(&xapps)
+ if err != nil {
+ xapp.Logger.Warn("Json decode failed: " + err.Error())
+ }
+ xapp.Logger.Info("HTTP GET: OK")
+ xapp.Logger.Debug("httprestful.httpGetXApps returns: %v", xapps)
+ return &xapps, err
+ }
+ xapp.Logger.Warn("httprestful got an unexpected http status code: %v", r.StatusCode)
+ return nil, nil
+}
- go func() {
- for {
- data, err := r.RecvXappCallbackData(datach)
- if err != nil {
- rtmgr.Logger.Error("cannot get data from rest api dute to: " + err.Error())
- } else if data != nil {
- sdlEngine.WriteXapps(fileName, data)
- triggerSBI <- true
+func httpGetE2TList(e2murl string) (*[]rtmgr.E2tIdentity, error) {
+ xapp.Logger.Info("Invoked httprestful.httpGetE2TList: " + e2murl)
+ r, err := myClient.Get(e2murl)
+ if err != nil {
+ return nil, err
+ }
+ defer r.Body.Close()
+
+ if r.StatusCode == 200 {
+ xapp.Logger.Debug("http client raw response: %v", r)
+ var E2Tlist []rtmgr.E2tIdentity
+ err = json.NewDecoder(r.Body).Decode(&E2Tlist)
+ if err != nil {
+ xapp.Logger.Warn("Json decode failed: " + err.Error())
+ }
+ xapp.Logger.Info("HTTP GET: OK")
+ xapp.Logger.Debug("httprestful.httpGetXApps returns: %v", E2Tlist)
+ return &E2Tlist, err
+ }
+ xapp.Logger.Warn("httprestful got an unexpected http status code: %v", r.StatusCode)
+ return nil, nil
+}
+
+func PopulateE2TMap(e2tDataList *[]rtmgr.E2tIdentity, e2ts map[string]rtmgr.E2TInstance, meids []string) {
+ xapp.Logger.Info("Invoked httprestful.PopulateE2TMap ")
+
+ for _, e2tData := range *e2tDataList {
+ var str string
+
+ e2tinst := rtmgr.E2TInstance{
+ Ranlist: make([]string, len(e2tData.Rannames)),
+ }
+
+ e2tinst.Fqdn = e2tData.E2taddress
+ e2tinst.Name = "E2TERMINST"
+ copy(e2tinst.Ranlist, e2tData.Rannames)
+
+ if len(e2tData.Rannames) > 0 {
+ var meidar string
+ for _, meid := range e2tData.Rannames {
+ meidar += meid + " "
}
+ str += "mme_ar|" + e2tData.E2taddress + "|" + strings.TrimSuffix(meidar, " ")
}
- }()
- go func() {
- for {
- data := <-subschan
- rtmgr.Logger.Debug("received XApp subscription data")
- addSubscription(&rtmgr.Subs, data)
- triggerSBI <- true
+
+ e2ts[e2tinst.Fqdn] = e2tinst
+ meids = append(meids, str)
+ }
+}
+
+func retrieveStartupData(xmurl string, nbiif string, fileName string, configfile string, e2murl string, sdlEngine sdl.Engine) error {
+ xapp.Logger.Info("Invoked retrieveStartupData ")
+ var readErr error
+ var err error
+ var maxRetries = 10
+ var xappData *[]rtmgr.XApp
+ xappData = new([]rtmgr.XApp)
+ xapp.Logger.Info("Trying to fetch XApps data from XAPP manager")
+ for i := 1; i <= maxRetries; i++ {
+ time.Sleep(2 * time.Second)
+
+ readErr = nil
+ xappData, err = httpGetXApps(xmurl)
+ if xappData != nil && err == nil {
+ break
+ } else if err == nil {
+ readErr = errors.New("unexpected HTTP status code")
+ } else {
+ xapp.Logger.Warn("cannot get xapp data due to: " + err.Error())
+ readErr = err
}
+ }
+
+ if readErr != nil {
+ return readErr
+ }
+
+ var meids []string
+ e2ts := make(map[string]rtmgr.E2TInstance)
+ xapp.Logger.Info("Trying to fetch E2T data from E2manager")
+ for i := 1; i <= maxRetries; i++ {
+
+ readErr = nil
+ e2tDataList, err := httpGetE2TList(e2murl)
+ if e2tDataList != nil && err == nil {
+ PopulateE2TMap(e2tDataList, e2ts, meids[:])
+ break
+ } else if err == nil {
+ readErr = errors.New("unexpected HTTP status code")
+ } else {
+ xapp.Logger.Warn("cannot get E2T data from E2M due to: " + err.Error())
+ readErr = err
+ }
+ time.Sleep(2 * time.Second)
+ }
+
+ if readErr != nil {
+ return readErr
+ }
+
+ pcData, confErr := rtmgr.GetPlatformComponents(configfile)
+ if confErr != nil {
+ xapp.Logger.Error(confErr.Error())
+ return confErr
+ }
+ xapp.Logger.Info("Recieved intial xapp data, E2T 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, E2Ts: e2ts, MeidMap: meids}
+ writeErr := sdlEngine.WriteAll(fileName, ricData)
+ if writeErr != nil {
+ xapp.Logger.Error(writeErr.Error())
+ }
+
+ xapp.Logger.Info("Trying to fetch Subscriptions data from Subscription manager")
+ for i := 1; i <= maxRetries; i++ {
+ readErr = nil
+ sub_list, err := xapp.Subscription.QuerySubscriptions()
+
+ if sub_list != nil && err == nil {
+ PopulateSubscription(sub_list)
+ break
+ } else {
+ readErr = err
+ xapp.Logger.Warn("cannot get xapp data due to: " + readErr.Error())
+ }
+ time.Sleep(2 * time.Second)
+ }
+
+ if readErr != nil {
+ return readErr
+ }
+
+ // post subscription req to appmgr
+ readErr = PostSubReq(xmurl, nbiif)
+ if readErr != nil {
+ return readErr
+ }
+
+ //rlist := make(map[string]string)
+ xapp.Logger.Info("Reading SDL for any routes")
+ rlist,sdlerr := xapp.Sdl.Read("routes")
+ readErr = sdlerr
+ if readErr == nil {
+ xapp.Logger.Info("Value is %s",rlist["routes"])
+ if rlist["routes"] != nil {
+ formstring := fmt.Sprintf("%s",rlist["routes"])
+ xapp.Logger.Info("Value of formed string = %s",formstring)
+ newstring := strings.Split(formstring," ")
+ for i,_ := range newstring {
+ xapp.Logger.Info("in Loop Value of formed string = %s",newstring)
+ rtmgr.DynamicRouteList = append(rtmgr.DynamicRouteList,newstring[i])
+ }
+ }
+
+ return nil
+ }
+
+ return readErr
+}
+
+func (r *HttpRestful) Initialize(xmurl string, nbiif string, fileName string, configfile string, e2murl string,
+ sdlEngine sdl.Engine, rpeEngine rpe.Engine, m *sync.Mutex) error {
+ err := r.RetrieveStartupData(xmurl, nbiif, fileName, configfile, e2murl, sdlEngine)
+ if err != nil {
+ xapp.Logger.Error("Exiting as nbi failed to get the initial startup data from the xapp manager: " + err.Error())
+ return err
+ }
+ go func() {
+ r.LaunchRest(&nbiif)
}()
return nil
}
func addSubscription(subs *rtmgr.SubscriptionList, xappSubData *models.XappSubscriptionData) bool {
- var b bool = false
- sub := rtmgr.Subscription{SubID:*xappSubData.SubscriptionID, Fqdn:*xappSubData.Address, Port:*xappSubData.Port,}
+ xapp.Logger.Debug("Adding the subscription into the subscriptions list")
+ var b = false
+ sub := rtmgr.Subscription{SubID: *xappSubData.SubscriptionID, Fqdn: *xappSubData.Address, Port: *xappSubData.Port}
for _, elem := range *subs {
if elem == sub {
- rtmgr.Logger.Warn("rtmgr.addSubscription: Subscription already present: %v", elem)
+ xapp.Logger.Warn("rtmgr.addSubscription: Subscription already present: %v", elem)
b = true
}
}
return b
}
+func delSubscription(subs *rtmgr.SubscriptionList, xappSubData *models.XappSubscriptionData) bool {
+ xapp.Logger.Debug("Deleteing the subscription from the subscriptions list")
+ var present = false
+ sub := rtmgr.Subscription{SubID: *xappSubData.SubscriptionID, Fqdn: *xappSubData.Address, Port: *xappSubData.Port}
+ for i, elem := range *subs {
+ if elem == sub {
+ present = true
+ // Since the order of the list is not important, we are swapping the last element
+ // with the matching element and replacing the list with list(n-1) elements.
+ (*subs)[len(*subs)-1], (*subs)[i] = (*subs)[i], (*subs)[len(*subs)-1]
+ *subs = (*subs)[:len(*subs)-1]
+ break
+ }
+ }
+ if present == false {
+ xapp.Logger.Warn("rtmgr.delSubscription: Subscription = %v, not present in the existing subscriptions", xappSubData)
+ }
+ return present
+}
+
+func updateSubscription(data *rtmgr.XappList) {
+
+ var subdata models.XappSubscriptionData
+ var id int32
+ var matchingsubid, deletecount uint8
+ id = int32(data.SubscriptionID)
+ subdata.SubscriptionID = &id
+ for _, subs := range rtmgr.Subs {
+ if int32(data.SubscriptionID) == subs.SubID {
+ matchingsubid++
+ }
+ }
+
+ for deletecount < matchingsubid {
+ for _, subs := range rtmgr.Subs {
+ if int32(data.SubscriptionID) == subs.SubID {
+ subdata.SubscriptionID = &subs.SubID
+ subdata.Address = &subs.Fqdn
+ subdata.Port = &subs.Port
+ xapp.Logger.Debug("Deletion Subscription List has %v", subdata)
+ delSubscription(&rtmgr.Subs, &subdata)
+ break
+ }
+ }
+ deletecount++
+ }
+
+ for _, items := range data.FqdnList {
+ subdata.Address = items.Address
+ subdata.Port = items.Port
+ xapp.Logger.Debug("Adding Subscription List has %v", subdata)
+ addSubscription(&rtmgr.Subs, &subdata)
+ }
+
+}
+
+func PopulateSubscription(sub_list xfmodel.SubscriptionList) {
+ for _, sub_row := range sub_list {
+ var subdata models.XappSubscriptionData
+ id := int32(sub_row.SubscriptionID)
+ subdata.SubscriptionID = &id
+ for _, ep := range sub_row.Endpoint {
+
+ stringSlice := strings.Split(ep, ":")
+ subdata.Address = &stringSlice[0]
+ intportval, _ := strconv.Atoi(stringSlice[1])
+ value := uint16(intportval)
+ subdata.Port = &value
+ xapp.Logger.Debug("Adding Subscription List has Address :%v, port :%v, SubscriptionID :%v ", subdata.Address, subdata.Address, subdata.SubscriptionID)
+ addSubscription(&rtmgr.Subs, &subdata)
+ }
+ }
+}
+
+func adddelrmrroute(routelist models.Routelist,rtflag bool) error {
+ xapp.Logger.Info("Updating rmrroute with Route list: %v,flag: %v", routelist,rtflag)
+ for _, rlist := range routelist {
+ var subid int32
+ var data string
+ if rlist.SubscriptionID == 0 {
+ subid = -1
+ } else {
+ subid = rlist.SubscriptionID
+ }
+ if rlist.SenderEndPoint == "" && rlist.SubscriptionID != 0 {
+ data = fmt.Sprintf("mse|%d|%d|%s\n",*rlist.MessageType,rlist.SubscriptionID,*rlist.TargetEndPoint)
+ } else if rlist.SenderEndPoint == "" && rlist.SubscriptionID == 0 {
+ data = fmt.Sprintf("mse|%d|-1|%s\n",*rlist.MessageType,*rlist.TargetEndPoint)
+ } else {
+ data = fmt.Sprintf("mse|%d,%s|%d|%s\n",*rlist.MessageType,rlist.SenderEndPoint,subid,*rlist.TargetEndPoint)
+ }
+ err := checkrepeatedroute(data)
+
+ if rtflag == true {
+ if err == true {
+ xapp.Logger.Info("Given route %s is a duplicate",data)
+ }
+ rtmgr.DynamicRouteList = append(rtmgr.DynamicRouteList,data)
+ routearray := strings.Join(rtmgr.DynamicRouteList," ")
+ xapp.Sdl.Store("routes",routearray)
+ } else {
+ if err == true {
+ xapp.Logger.Info("Successfully deleted route: %s",data)
+ routearray := strings.Join(rtmgr.DynamicRouteList," ")
+ xapp.Sdl.Store("routes",routearray)
+ }else {
+ xapp.Logger.Info("No such route: %s",data)
+ return errors.New("No such route: " + data)
+ }
+
+ }
+ }
+ return sendRoutesToAll()
+}
+
+func checkrepeatedroute (data string) bool {
+ for i:=0;i<len(rtmgr.DynamicRouteList);i++ {
+ if rtmgr.DynamicRouteList[i] == data {
+ rtmgr.DynamicRouteList[i] = rtmgr.DynamicRouteList[len(rtmgr.DynamicRouteList)-1]
+ rtmgr.DynamicRouteList[len(rtmgr.DynamicRouteList)-1] = ""
+ rtmgr.DynamicRouteList = rtmgr.DynamicRouteList[:len(rtmgr.DynamicRouteList)-1]
+ return true
+ }
+ }
+ return false
+}