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 ==================================================================================
30 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
32 "routing-manager/pkg/rpe"
33 "routing-manager/pkg/rtmgr"
34 "routing-manager/pkg/sbi"
35 "routing-manager/pkg/sdl"
44 var sbiEngine sbi.Engine
45 var sdlEngine sdl.Engine
46 var rpeEngine rpe.Engine
48 const INTERVAL time.Duration = 60
50 func NewControl() Control {
51 return Control{make(chan *xapp.RMRParams)}
55 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() {
92 xapp_msg := sbi.RMRParams{msg}
94 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
95 if rtmgr.Rtmgr_ready == false {
96 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
98 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
99 go c.handleUpdateToRoutingManagerRequest(msg)
101 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
102 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
105 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
106 xapp.Logger.Error("Unknown message type: %v", err)
108 xapp.Rmr.Free(msg.Mbuf)*/
112 func (c *Control) recievermr(msg *xapp.RMRParams) {
113 xapp_msg := sbi.RMRParams{msg}
115 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
116 if rtmgr.Rtmgr_ready == false {
117 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
119 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
120 go c.handleUpdateToRoutingManagerRequest(msg)
122 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
123 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
125 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
126 xapp.Logger.Error("Unknown message type: %v", err)
128 xapp.Rmr.Free(msg.Mbuf)
131 func (c *Control) handleUpdateToRoutingManagerRequest(params *xapp.RMRParams) {
133 msg := sbi.RMRParams{params}
135 xapp.Logger.Info("Update Route Table Request, msg.String() : %s", msg.String())
136 xapp.Logger.Info("Update Route Table Request, params.Payload : %s", string(params.Payload))
139 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
143 xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
146 xapp.Logger.Debug("Cannot get data from sdl interface")
151 ep := sbiEngine.CheckEndpoint(string(params.Payload))
153 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))
156 epstr, whid := sbiEngine.CreateEndpoint(msg.String())
157 if epstr == nil || whid < 0 {
158 xapp.Logger.Error("Wormhole Id creation failed %d for %s", whid, msg.String())
162 /*This is to ensure the latest routes are sent.
163 Assumption is that in this time interval the routes are built for this endpoint */
164 time.Sleep(100 * time.Millisecond)
165 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
166 err = sbiEngine.DistributeToEp(policies, *epstr, whid)
168 xapp.Logger.Error("Routing table cannot be published due to: " + err.Error())
173 func sendRoutesToAll() (err error) {
176 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
177 //fmt.Printf("data = %v,%v,%v",data,sdlEngine,sbiEngine)
181 return errors.New("Cannot get data from sdl interface due to: " + err.Error())
183 xapp.Logger.Debug("Cannot get data from sdl interface, data is null")
184 return errors.New("Cannot get data from sdl interface")
188 /* if sbiEngine == nil {
189 fmt.Printf("SBI is nil")
191 sbiEngine.UpdateEndpoints(data)
192 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
193 err = sbiEngine.DistributeAll(policies)
195 return errors.New("Routing table cannot be published due to: " + err.Error())
203 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)
205 xapp.Logger.Error("Failed to initialize nbi due to: " + nbiErr.Error())
209 err := sbiEngine.Initialize(xapp.Config.GetString("sbiurl"))
211 xapp.Logger.Info("Failed to open push socket due to: " + err.Error())
214 defer nbiEngine.Terminate()
215 defer sbiEngine.Terminate()
220 rtmgr.Rtmgr_ready = true
221 time.Sleep(INTERVAL * time.Second)
222 xapp.Logger.Debug("Periodic loop timed out. Setting triggerSBI flag to distribute updated routes.")