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 ==================================================================================
29 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
30 "routing-manager/pkg/rpe"
31 "routing-manager/pkg/rtmgr"
32 "routing-manager/pkg/sbi"
33 "routing-manager/pkg/sdl"
43 var sbiEngine sbi.Engine
44 var sdlEngine sdl.Engine
45 var rpeEngine rpe.Engine
47 const INTERVAL time.Duration = 60
49 func NewControl() Control {
50 return Control{make(chan *xapp.RMRParams)}
54 rcChan chan *xapp.RMRParams
58 func (c *Control) Run() {
61 nbiEngine, sbiEngine, sdlEngine, rpeEngine, err = initRtmgr()
63 xapp.Logger.Error(err.Error())
69 func (c *Control) Consume(rp *xapp.RMRParams) (err error) {
74 func initRtmgr() (nbiEngine Engine, sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, err error) {
75 if nbiEngine, err = GetNbi(xapp.Config.GetString("nbi")); err == nil && nbiEngine != nil {
76 if sbiEngine, err = sbi.GetSbi(xapp.Config.GetString("sbi")); err == nil && sbiEngine != nil {
77 if sdlEngine, err = sdl.GetSdl(xapp.Config.GetString("sdl")); err == nil && sdlEngine != nil {
78 if rpeEngine, err = rpe.GetRpe(xapp.Config.GetString("rpe")); err == nil && rpeEngine != nil {
79 return nbiEngine, sbiEngine, sdlEngine, rpeEngine, nil
84 return nil, nil, nil, nil, err
87 func (c *Control) controlLoop() {
90 xapp_msg := sbi.RMRParams{msg}
92 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
93 if rtmgr.Rtmgr_ready == false {
94 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
96 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
97 go c.handleUpdateToRoutingManagerRequest(msg)
99 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
100 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
103 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
104 xapp.Logger.Error("Unknown message type: %v", err)
106 xapp.Rmr.Free(msg.Mbuf)
110 func (c *Control) handleUpdateToRoutingManagerRequest(params *xapp.RMRParams) {
112 msg := sbi.RMRParams{params}
114 xapp.Logger.Info("Update Route Table Request, msg.String() : %s", msg.String())
115 xapp.Logger.Info("Update Route Table Request, params.Payload : %s", string(params.Payload))
118 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
120 if err != nil || data == nil {
121 xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
125 ep := sbiEngine.CreateEndpoint(string(params.Payload))
127 xapp.Logger.Error("Update Routing Table Request can't handle due to end point %s is not avail in complete ep list: ", string(params.Payload))
131 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
132 err = sbiEngine.DistributeToEp(policies, ep)
134 xapp.Logger.Error("Routing table cannot be published due to: " + err.Error())
139 func sendRoutesToAll() (err error) {
142 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
144 if err != nil || data == nil {
145 return errors.New("Cannot get data from sdl interface due to: " + err.Error())
147 sbiEngine.UpdateEndpoints(data)
148 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
149 err = sbiEngine.DistributeAll(policies)
151 return errors.New("Routing table cannot be published due to: " + err.Error())
159 nbiErr := nbiEngine.Initialize(xapp.Config.GetString("xmurl"), xapp.Config.GetString("nbiurl"), xapp.Config.GetString("rtfile"), xapp.Config.GetString("cfgfile"), xapp.Config.GetString("e2murl"), sdlEngine, rpeEngine, &m)
161 xapp.Logger.Error("Failed to initialize nbi due to: " + nbiErr.Error())
165 err := sbiEngine.Initialize(xapp.Config.GetString("sbiurl"))
167 xapp.Logger.Info("Failed to open push socket due to: " + err.Error())
170 defer nbiEngine.Terminate()
171 defer sbiEngine.Terminate()
176 rtmgr.Rtmgr_ready = true
177 time.Sleep(INTERVAL * time.Second)
178 xapp.Logger.Debug("Periodic loop timed out. Setting triggerSBI flag to distribute updated routes.")