2 ==================================================================================
3 Copyright (c) 2019 AT&T Intellectual Property.
4 Copyright (c) 2019 Nokia
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
18 This source code is part of the near-RT RIC (RAN Intelligent Controller)
19 platform project (RICP).
21 ==================================================================================
25 Abstract: mangos (NNG) Pipeline SBI implementation
35 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
36 "routing-manager/pkg/rtmgr"
44 rcChan chan *xapp.RMRParams
47 type RMRParams struct {
52 func (params *RMRParams) String() string {
54 sum := md5.Sum(params.Payload)
55 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)
59 func NewNngPush() *NngPush {
60 instance := new(NngPush)
64 func (c *NngPush) Initialize(ip string) error {
68 func (c *NngPush) Terminate() error {
72 func (c *NngPush) AddEndpoint(ep *rtmgr.Endpoint) error {
74 xapp.Logger.Debug("Invoked sbi.AddEndpoint")
75 endpoint := ep.Ip + ":" + strconv.Itoa(DefaultNngPipelineSocketNumber)
76 ep.Whid = int(xapp.Rmr.Openwh(endpoint))
78 return errors.New("can't open warmhole connection for endpoint:" + ep.Uuid + " due to invalid Wormhole ID: " + string(ep.Whid))
80 xapp.Logger.Debug("Wormhole ID is %v and EP is %v",ep.Whid,endpoint)
86 func (c *NngPush) DeleteEndpoint(ep *rtmgr.Endpoint) error {
87 xapp.Logger.Debug("Invoked sbi. DeleteEndpoint")
88 xapp.Logger.Debug("args: %v", *ep)
90 xapp.Rmr.Closewh(ep.Whid)
94 func (c *NngPush) UpdateEndpoints(rcs *rtmgr.RicComponents) {
95 c.updateEndpoints(rcs, c)
98 func (c *NngPush) DistributeAll(policies *[]string) error {
99 xapp.Logger.Debug("Invoked: sbi.DistributeAll")
100 xapp.Logger.Debug("args: %v", *policies)
102 for _, ep := range rtmgr.Eps {
103 go c.send(ep, policies)
109 func (c *NngPush) send(ep *rtmgr.Endpoint, policies *[]string) {
110 xapp.Logger.Debug("Push policy to endpoint: " + ep.Uuid)
112 for _, pe := range *policies {
113 params := &RMRParams{&xapp.RMRParams{}}
115 params.PayloadLen = len([]byte(pe))
116 params.Payload =[]byte(pe)
118 params.Whid = ep.Whid
119 time.Sleep(1 * time.Millisecond)
120 xapp.Rmr.SendMsg(params.RMRParams)
122 xapp.Logger.Info("NNG PUSH to endpoint " + ep.Uuid + ": OK (# of Entries:" + strconv.Itoa(len(*policies)) + ")")
125 func (c *NngPush) CreateEndpoint(payload string) (*rtmgr.Endpoint){
126 return c.createEndpoint(payload, c)
129 func (c *NngPush) DistributeToEp(policies *[]string, ep *rtmgr.Endpoint) error {
130 xapp.Logger.Debug("Invoked: sbi.DistributeToEp")
131 xapp.Logger.Debug("args: %v", *policies)
133 go c.send(ep, policies)