X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=pkg%2Fsbi%2Fnngpush.go;h=44512999cba04b37142b1ae9284272926d5289c9;hb=df23f25ac56eb0076e6e8801bb6080468ccf44b6;hp=01bde0ce1ff99302693e7a1d673349f4d16b09f6;hpb=16d84d6f7d3489e65e0a83ba9c0d5d62c3914c7f;p=ric-plt%2Frtmgr.git diff --git a/pkg/sbi/nngpush.go b/pkg/sbi/nngpush.go index 01bde0c..4451299 100644 --- a/pkg/sbi/nngpush.go +++ b/pkg/sbi/nngpush.go @@ -14,6 +14,10 @@ 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). + ================================================================================== */ /* @@ -24,94 +28,172 @@ package sbi +/* +#include +#include +#include +#include +#include +#include + + +#cgo CFLAGS: -I../ +#cgo LDFLAGS: -lrmr_nng -lnng +*/ +import "C" + import ( + "bytes" + "crypto/md5" "errors" + "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp" "nanomsg.org/go/mangos/v2" "nanomsg.org/go/mangos/v2/protocol/push" _ "nanomsg.org/go/mangos/v2/transport/all" - "rtmgr" + "routing-manager/pkg/rtmgr" "strconv" + "time" + "fmt" ) -func openNngPush(ip string) error { - return nil +type NngPush struct { + Sbi + NewSocket CreateNewNngSocketHandler + rcChan chan *xapp.RMRParams } -func closeNngPush() error { - return nil +type RMRParams struct { + *xapp.RMRParams } -func createNngPushEndpointSocket(ep *rtmgr.Endpoint) error { - rtmgr.Logger.Debug("Invoked sbi.createNngPushEndpointSocket") - rtmgr.Logger.Debug("args: %v", (*ep)) - s, err := push.NewSocket() - if err != nil { - return errors.New("can't open push socket for endpoint: " + ep.Name +" due to:" + err.Error()) - } - s.SetPipeEventHook(pipeEventHandler) - ep.Socket = s - dial(ep) - return nil + +func (params *RMRParams) String() string { + var b bytes.Buffer + sum := md5.Sum(params.Payload) + fmt.Fprintf(&b, "params(Src=%s Mtype=%d SubId=%d Xid=%s Meid=%s Paylens=%d/%d Payhash=%x)", params.Src, params.Mtype, params.SubId, params.Xid, params.Meid.RanName, params.PayloadLen, len(params.Payload), sum) + return b.String() } -func destroyNngPushEndpointSocket(ep *rtmgr.Endpoint) error { - rtmgr.Logger.Debug("Invoked sbi.destroyNngPushEndpointSocket") - rtmgr.Logger.Debug("args: %v", (*ep)) - if err:= ep.Socket.(mangos.Socket).Close(); err != nil { - return errors.New("can't close push socket of endpoint:" + ep.Uuid + " due to:" + err.Error()) - } - return nil +func NewNngPush() *NngPush { + instance := new(NngPush) + instance.NewSocket = createNewPushSocket + return instance +} + +func createNewPushSocket() (NngSocket, error) { + xapp.Logger.Debug("Invoked: createNewPushSocket()") + socket, err := push.NewSocket() + if err != nil { + return nil, errors.New("can't create new push socket due to:" + err.Error()) + } + socket.SetPipeEventHook(pipeEventHandler) + return socket, nil } func pipeEventHandler(event mangos.PipeEvent, pipe mangos.Pipe) { + xapp.Logger.Debug("Invoked: pipeEventHandler()") + xapp.Logger.Debug("Received pipe event for " + pipe.Address() + " address") for _, ep := range rtmgr.Eps { - uri := DEFAULT_NNG_PIPELINE_SOCKET_PREFIX + ep.Ip + ":" + strconv.Itoa(DEFAULT_NNG_PIPELINE_SOCKET_NUMBER) + uri := DefaultNngPipelineSocketPrefix + ep.Ip + ":" + strconv.Itoa(DefaultNngPipelineSocketNumber) if uri == pipe.Address() { switch event { case 1: ep.IsReady = true - rtmgr.Logger.Debug("Endpoint " + uri + " successfully registered") + xapp.Logger.Debug("Endpoint " + uri + " successfully attached") default: ep.IsReady = false - rtmgr.Logger.Debug("Endpoint " + uri + " has been deregistered") + xapp.Logger.Debug("Endpoint " + uri + " has been detached") } - } + } + } +} + +func (c *NngPush) Initialize(ip string) error { + return nil +} + +func (c *NngPush) Terminate() error { + return nil +} + +func (c *NngPush) AddEndpoint(ep *rtmgr.Endpoint) error { + + xapp.Logger.Debug("Invoked sbi.AddEndpoint") + xapp.Logger.Debug("args: %v", *ep) + endpoint := ep.Ip + ":" + strconv.Itoa(DefaultNngPipelineSocketNumber) + ep.Whid = int(xapp.Rmr.Openwh(endpoint)) + if ep.Whid < 0 { + return errors.New("can't open warmhole connection for endpoint:" + ep.Uuid + " due to invalid Wormhole ID: " + string(ep.Whid)) + }else { + xapp.Logger.Debug("Wormhole ID is %v and EP is %v",ep.Whid,endpoint) } + + return nil +} + +func (c *NngPush) DeleteEndpoint(ep *rtmgr.Endpoint) error { + xapp.Logger.Debug("Invoked sbi. DeleteEndpoint") + xapp.Logger.Debug("args: %v", *ep) + + xapp.Rmr.Closewh(ep.Whid) + return nil +} + +func (c *NngPush) UpdateEndpoints(rcs *rtmgr.RicComponents) { + c.updateEndpoints(rcs, c) } /* NOTE: Asynchronous dial starts a goroutine which keep maintains the connection to the given endpoint */ -func dial(ep *rtmgr.Endpoint) { - rtmgr.Logger.Debug("Dialing to endpoint: " + ep.Uuid) - uri := DEFAULT_NNG_PIPELINE_SOCKET_PREFIX + ep.Ip + ":" + strconv.Itoa(DEFAULT_NNG_PIPELINE_SOCKET_NUMBER) +func (c *NngPush) dial(ep *rtmgr.Endpoint) error { + xapp.Logger.Debug("Dialing to endpoint: " + ep.Uuid) + uri := DefaultNngPipelineSocketPrefix + ep.Ip + ":" + strconv.Itoa(DefaultNngPipelineSocketNumber) options := make(map[string]interface{}) options[mangos.OptionDialAsynch] = true - if err := ep.Socket.(mangos.Socket).DialOptions(uri, options); err != nil { - rtmgr.Logger.Error("can't dial on push socket to " + uri + " due to:" + err.Error()) + if err := ep.Socket.(NngSocket).DialOptions(uri, options); err != nil { + return errors.New("can't dial on push socket to " + uri + " due to: " + err.Error()) } + return nil } -func pushAll(policies *[]string) error { - rtmgr.Logger.Debug("Invoked: sbi.pushAll") - rtmgr.Logger.Debug("args: %v", (*policies)) +func (c *NngPush) DistributeAll(policies *[]string) error { + xapp.Logger.Debug("Invoked: sbi.DistributeAll") + xapp.Logger.Debug("args: %v", *policies) + for _, ep := range rtmgr.Eps { - if ep.IsReady { - go send(ep, policies) - } else { - rtmgr.Logger.Warn("Endpoint " + ep.Uuid + "is not ready") - } + go c.send(ep, policies) } + return nil } -func send(ep *rtmgr.Endpoint, policies *[]string) { - rtmgr.Logger.Debug("Invoked: sbi.pushAll") - rtmgr.Logger.Debug("Push policy to endpoint: "+ ep.Uuid) +func (c *NngPush) send(ep *rtmgr.Endpoint, policies *[]string) { + xapp.Logger.Debug("Push policy to endpoint: " + ep.Uuid) + for _, pe := range *policies { - if err := ep.Socket.(mangos.Socket).Send([]byte(pe)); err != nil { - rtmgr.Logger.Error("Unable to send policy entry due to: " + err.Error()) - } + params := &RMRParams{&xapp.RMRParams{}} + params.Mtype = 20 + params.PayloadLen = len([]byte(pe)) + params.Payload =[]byte(pe) + params.Mbuf = nil + params.Whid = ep.Whid + time.Sleep(1 * time.Millisecond) + xapp.Rmr.SendMsg(params.RMRParams) } - rtmgr.Logger.Info("NNG PUSH to ednpoint " + ep.Uuid + ": OK (# of Entries:" + strconv.Itoa(len((*policies))) + ")") + xapp.Logger.Info("NNG PUSH to endpoint " + ep.Uuid + ": OK (# of Entries:" + strconv.Itoa(len(*policies)) + ")") +} + +func (c *NngPush) CreateEndpoint(payload string) (*rtmgr.Endpoint){ + return c.createEndpoint(payload, c) } + +func (c *NngPush) DistributeToEp(policies *[]string, ep *rtmgr.Endpoint) error { + xapp.Logger.Debug("Invoked: sbi.DistributeToEp") + xapp.Logger.Debug("args: %v", *policies) + + go c.send(ep, policies) + + return nil +} +