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"
+ "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
"github.com/go-openapi/loads"
"github.com/go-openapi/runtime/middleware"
"net/url"
+ "net"
"os"
"routing-manager/pkg/models"
"routing-manager/pkg/restapi"
"routing-manager/pkg/sdl"
"strconv"
"time"
+ "sync"
+ "strings"
)
//var myClient = &http.Client{Timeout: 1 * time.Second}
type HttpRestful struct {
- NbiEngine
+ 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
// 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)
+ //xapp.Logger.Info(length)
for i := 0; i <= length; i++ {
- rtmgr.Logger.Info("data received")
+ xapp.Logger.Info("data received")
// If no data received from the REST, it blocks.
xappData = <-dataChannel
}
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(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 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())
+ return fmt.Errorf("unmarshal failed: \"%s\"", err.Error())
}
return nil
}
func provideXappHandleHandlerImpl(datach chan<- *models.XappCallbackData, 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.Warn("XApp callback data validation failed: " + err.Error())
+ xapp.Logger.Warn("XApp callback data validation failed: " + err.Error())
return err
} else {
datach <- data
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 )
+ }
+
+ _, 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(subchan chan<- *models.XappSubscriptionData,
data *models.XappSubscriptionData) error {
- rtmgr.Logger.Debug("Invoked provideXappSubscriptionHandleImpl")
+ 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("Endpoints: %v", rtmgr.Eps)
return nil
}
func deleteXappSubscriptionHandleImpl(subdelchan chan<- *models.XappSubscriptionData,
data *models.XappSubscriptionData) error {
- rtmgr.Logger.Debug("Invoked deleteXappSubscriptionHandleImpl")
+ xapp.Logger.Debug("Invoked deleteXappSubscriptionHandleImpl")
err := validateXappSubscriptionData(data)
if err != nil {
- rtmgr.Logger.Error(err.Error())
+ xapp.Logger.Error(err.Error())
return err
}
if !subscriptionExists(data) {
- rtmgr.Logger.Warn("Subscription not found: %d", *data.SubscriptionID)
- err := fmt.Errorf("Subscription not found: %d", *data.SubscriptionID)
+ xapp.Logger.Warn("subscription not found: %d", *data.SubscriptionID)
+ err := fmt.Errorf("subscription not found: %d", *data.SubscriptionID)
return err
}
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)
- rtmgr.Logger.Error(err.Error())
+ 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.Port, err = strconv.Atoi(nbiUrl.Port())
if err != nil {
- rtmgr.Logger.Error("Invalid NBI RestAPI port")
+ 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 {
- rtmgr.Logger.Info("Data received on Http interface")
+ xapp.Logger.Info("Data received on Http interface")
err := provideXappHandleHandlerImpl(datach, params.XappCallbackData)
if err != nil {
- rtmgr.Logger.Error("Invalid XApp callback data: " + err.Error())
+ xapp.Logger.Error("Invalid XApp callback data: " + err.Error())
return handle.NewProvideXappHandleBadRequest()
} else {
return handle.NewGetHandlesOK()
if err != nil {
return handle.NewProvideXappSubscriptionHandleBadRequest()
} else {
+ //Delay the reponse as add subscription channel needs to update sdl and then sbi sends updated routes to all endpoints
+ time.Sleep(1 * time.Second)
return handle.NewGetHandlesOK()
}
})
if err != nil {
return handle.NewDeleteXappSubscriptionHandleNoContent()
} else {
+ //Delay the reponse as delete subscription channel needs to update sdl and then sbi sends updated routes to all endpoints
+ time.Sleep(1 * time.Second)
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
- rtmgr.Logger.Info("Starting the HTTP Rest service")
+ xapp.Logger.Info("Starting the HTTP Rest service")
if err := server.Serve(); err != nil {
- rtmgr.Logger.Error(err.Error())
+ xapp.Logger.Error(err.Error())
}
}
-func httpGetXapps(xmurl string) (*[]rtmgr.XApp, error) {
- rtmgr.Logger.Info("Invoked httpgetter.fetchXappList: " + xmurl)
+func httpGetXApps(xmurl string) (*[]rtmgr.XApp, error) {
+ xapp.Logger.Info("Invoked httprestful.httpGetXApps: " + 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)
+ xapp.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())
+ xapp.Logger.Warn("Json decode failed: " + err.Error())
}
- rtmgr.Logger.Info("HTTP GET: OK")
- rtmgr.Logger.Debug("httpgetter.fetchXappList returns: %v", xapps)
+ xapp.Logger.Info("HTTP GET: OK")
+ xapp.Logger.Debug("httprestful.httpGetXApps returns: %v", xapps)
return &xapps, err
}
- rtmgr.Logger.Warn("httpgetter got an unexpected http status code: %v", r.StatusCode)
+ xapp.Logger.Warn("httprestful 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 {
+func retrieveStartupData(xmurl string, nbiif string, fileName string, configfile string, sdlEngine sdl.Engine) error {
var readErr error
var maxRetries = 10
for i := 1; i <= maxRetries; i++ {
time.Sleep(2 * time.Second)
- xappData, err := httpGetXapps(xmurl)
+ xappData, err := httpGetXApps(xmurl)
if xappData != nil && err == nil {
pcData, confErr := rtmgr.GetPlatformComponents(configfile)
if confErr != nil {
- rtmgr.Logger.Error(confErr.Error())
+ xapp.Logger.Error(confErr.Error())
return confErr
}
- rtmgr.Logger.Info("Recieved intial xapp data and platform data, writing into SDL.")
+ 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 {
- rtmgr.Logger.Error(writeErr.Error())
+ xapp.Logger.Error(writeErr.Error())
}
// post subscription req to appmgr
readErr = PostSubReq(xmurl, nbiif)
return nil
}
} else if err == nil {
- readErr = errors.New("Unexpected HTTP status code")
+ readErr = errors.New("unexpected HTTP status code")
} else {
- rtmgr.Logger.Warn("cannot get xapp data due to: " + err.Error())
+ xapp.Logger.Warn("cannot get xapp data due to: " + err.Error())
readErr = err
}
}
}
func (r *HttpRestful) Initialize(xmurl string, nbiif string, fileName string, configfile string,
- sdlEngine sdl.SdlEngine, rpeEngine rpe.RpeEngine, 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 {
- rtmgr.Logger.Error("Exiting as nbi failed to get the intial startup data from the xapp manager: " + err.Error())
+ xapp.Logger.Error("Exiting as nbi failed to get the initial startup data from the xapp manager: " + err.Error())
return err
}
datach := make(chan *models.XappCallbackData, 10)
subschan := make(chan *models.XappSubscriptionData, 10)
subdelchan := make(chan *models.XappSubscriptionData, 10)
- rtmgr.Logger.Info("Launching Rest Http service")
+ 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() {
for {
data, err := r.RecvXappCallbackData(datach)
if err != nil {
- rtmgr.Logger.Error("cannot get data from rest api dute to: " + err.Error())
+ xapp.Logger.Error("cannot get data from rest api dute to: " + err.Error())
} else if data != nil {
- sdlEngine.WriteXapps(fileName, data)
- triggerSBI <- true
+ 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 {
data := <-subschan
- rtmgr.Logger.Debug("received XApp subscription data")
+ xapp.Logger.Debug("received XApp subscription data")
addSubscription(&rtmgr.Subs, data)
triggerSBI <- true
}
go func() {
for {
data := <-subdelchan
- rtmgr.Logger.Debug("received XApp subscription delete data")
+ xapp.Logger.Debug("received XApp subscription delete data")
delSubscription(&rtmgr.Subs, data)
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
}
}
func addSubscription(subs *rtmgr.SubscriptionList, xappSubData *models.XappSubscriptionData) bool {
- var b bool = false
+ 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
}
}
}
func delSubscription(subs *rtmgr.SubscriptionList, xappSubData *models.XappSubscriptionData) bool {
- rtmgr.Logger.Debug("Deleteing the subscription from the subscriptions list")
- var present bool = false
+ 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 {
}
}
if present == false {
- rtmgr.Logger.Warn("rtmgr.delSubscription: Subscription = %v, not present in the existing subscriptions", xappSubData)
+ xapp.Logger.Warn("rtmgr.delSubscription: Subscription = %v, not present in the existing subscriptions", xappSubData)
}
return present
}
Code Review / ric-plt / rtmgr.git / blobdiff