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"
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
59 func (c *Control) Run() {
62 nbiEngine, sbiEngine, sdlEngine, rpeEngine, err = initRtmgr()
64 xapp.Logger.Error(err.Error())
70 func (c *Control) Consume(rp *xapp.RMRParams) (err error) {
75 func initRtmgr() (nbiEngine Engine, sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, err error) {
76 if nbiEngine, err = GetNbi(xapp.Config.GetString("nbi")); err == nil && nbiEngine != nil {
77 if sbiEngine, err = sbi.GetSbi(xapp.Config.GetString("sbi")); err == nil && sbiEngine != nil {
78 if sdlEngine, err = sdl.GetSdl(xapp.Config.GetString("sdl")); err == nil && sdlEngine != nil {
79 if rpeEngine, err = rpe.GetRpe(xapp.Config.GetString("rpe")); err == nil && rpeEngine != nil {
80 return nbiEngine, sbiEngine, sdlEngine, rpeEngine, nil
85 return nil, nil, nil, nil, err
88 func (c *Control) controlLoop() {
93 xapp_msg := sbi.RMRParams{msg}
95 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
96 if rtmgr.Rtmgr_ready == false {
97 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
99 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
100 go c.handleUpdateToRoutingManagerRequest(msg)
102 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
103 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
106 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
107 xapp.Logger.Error("Unknown message type: %v", err)
109 xapp.Rmr.Free(msg.Mbuf)*/
113 func (c *Control) recievermr(msg *xapp.RMRParams) {
114 xapp_msg := sbi.RMRParams{msg}
116 case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
117 if rtmgr.Rtmgr_ready == false {
118 xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
120 xapp.Logger.Info("Update Route Table Request(RMR to RM)")
121 go c.handleUpdateToRoutingManagerRequest(msg)
123 case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
124 xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
126 err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
127 xapp.Logger.Error("Unknown message type: %v", err)
129 xapp.Rmr.Free(msg.Mbuf)
132 func (c *Control) handleUpdateToRoutingManagerRequest(params *xapp.RMRParams) {
134 msg := sbi.RMRParams{params}
136 xapp.Logger.Info("Update Route Table Request, msg.String() : %s", msg.String())
137 xapp.Logger.Info("Update Route Table Request, params.Payload : %s", string(params.Payload))
140 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
142 if err != nil || data == nil {
143 xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
147 ep := sbiEngine.CheckEndpoint(string(params.Payload))
149 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))
152 epstr,whid := sbiEngine.CreateEndpoint(msg.String())
153 if epstr == nil || whid < 0 {
154 xapp.Logger.Error("Wormhole Id creation failed %d for %s",whid,msg.String() )
158 /*This is to ensure the latest routes are sent.
159 Assumption is that in this time interval the routes are built for this endpoint */
160 time.Sleep(100 * time.Millisecond)
161 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
162 err = sbiEngine.DistributeToEp(policies, *epstr, whid)
164 xapp.Logger.Error("Routing table cannot be published due to: " + err.Error())
169 func sendRoutesToAll() (err error) {
172 data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
173 fmt.Printf("data = %v,%v,%v",data,sdlEngine,sbiEngine)
175 if err != nil || data == nil {
176 return errors.New("Cannot get data from sdl interface due to: " + err.Error())
178 if sbiEngine == nil {
179 fmt.Printf("SBI is nil")
181 sbiEngine.UpdateEndpoints(data)
182 policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
183 err = sbiEngine.DistributeAll(policies)
185 return errors.New("Routing table cannot be published due to: " + err.Error())
193 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)
195 xapp.Logger.Error("Failed to initialize nbi due to: " + nbiErr.Error())
199 err := sbiEngine.Initialize(xapp.Config.GetString("sbiurl"))
201 xapp.Logger.Info("Failed to open push socket due to: " + err.Error())
204 defer nbiEngine.Terminate()
205 defer sbiEngine.Terminate()
210 rtmgr.Rtmgr_ready = true
211 time.Sleep(INTERVAL * time.Second)
212 xapp.Logger.Debug("Periodic loop timed out. Setting triggerSBI flag to distribute updated routes.")