-/*
-==================================================================================
- Copyright (c) 2019 AT&T Intellectual Property.
- Copyright (c) 2019 Nokia
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- 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).
-
-==================================================================================
-*/
-package nbi
-
-import "C"
-
-import (
- "errors"
- "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
- "routing-manager/pkg/rpe"
- "routing-manager/pkg/rtmgr"
- "routing-manager/pkg/sbi"
- "routing-manager/pkg/sdl"
- "strconv"
- "sync"
-)
-
-func NewControl() Control {
-
- return Control{make(chan *xapp.RMRParams)}
-}
-
-type Control struct {
- rcChan chan *xapp.RMRParams
-}
-
-func (c *Control) Run(sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, m *sync.Mutex) {
- go c.controlLoop(sbiEngine, sdlEngine, rpeEngine, m)
- xapp.Run(c)
-}
-
-func (c *Control) Consume(rp *xapp.RMRParams) (err error) {
- c.rcChan <- rp
- return
-}
-
-func (c *Control) controlLoop(sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, m *sync.Mutex) {
- for {
- msg := <-c.rcChan
- xapp_msg := sbi.RMRParams{msg}
- switch msg.Mtype {
- case xapp.RICMessageTypes["RMRRM_REQ_TABLE"]:
- if rtmgr.Rtmgr_ready == false {
- xapp.Logger.Info("Update Route Table Request(RMR to RM), message discarded as routing manager is not ready")
- } else {
- xapp.Logger.Info("Update Route Table Request(RMR to RM)")
- go c.handleUpdateToRoutingManagerRequest(msg, sbiEngine, sdlEngine, rpeEngine, m)
- }
- case xapp.RICMessageTypes["RMRRM_TABLE_STATE"]:
- xapp.Logger.Info("state of table to route mgr %s,payload %s", xapp_msg.String(), msg.Payload)
-
- default:
- err := errors.New("Message Type " + strconv.Itoa(msg.Mtype) + " is discarded")
- xapp.Logger.Error("Unknown message type: %v", err)
- }
- }
-}
-
-func (c *Control) handleUpdateToRoutingManagerRequest(params *xapp.RMRParams, sbiEngine sbi.Engine, sdlEngine sdl.Engine, rpeEngine rpe.Engine, m *sync.Mutex) {
-
- msg := sbi.RMRParams{params}
-
- xapp.Logger.Info("Update Route Table Request, msg.String() : %s", msg.String())
- xapp.Logger.Info("Update Route Table Request, params.Payload : %s", string(params.Payload))
-
- m.Lock()
- data, err := sdlEngine.ReadAll(xapp.Config.GetString("rtfile"))
- m.Unlock()
- if err != nil || data == nil {
- xapp.Logger.Error("Cannot get data from sdl interface due to: " + err.Error())
- return
- }
-
- ep := sbiEngine.CreateEndpoint(string(params.Payload))
- if ep == nil {
- 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))
- return
- }
-
- policies := rpeEngine.GeneratePolicies(rtmgr.Eps, data)
- err = sbiEngine.DistributeToEp(policies, ep)
- if err != nil {
- xapp.Logger.Error("Routing table cannot be published due to: " + err.Error())
- return
- }
-}