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.
19 This source code is part of the near-RT RIC (RAN Intelligent Controller)
20 platform project (RICP).
22 ==================================================================================
26 Abstract: RMR Route Policy implementation
27 Produces RMR (RIC Management Routing) formatted route messages
34 "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
35 "routing-manager/pkg/models"
36 "routing-manager/pkg/rtmgr"
49 func NewRmrPush() *RmrPush {
50 instance := new(RmrPush)
55 Produces the raw route message consumable by RMR
57 func (r *Rmr) generateRMRPolicies(eps rtmgr.Endpoints, rcs *rtmgr.RicComponents, key string) *[]string {
58 rawrt := []string{key + "newrt|start\n"}
59 rt := r.generateRouteTable(eps)
60 for _, rte := range *rt {
61 rawrte := key + "mse|" + rte.MessageType
62 for _, tx := range rte.TxList {
63 rawrte += "," + tx.Ip + ":" + strconv.Itoa(int(tx.Port))
65 rawrte += "|" + strconv.Itoa(int(rte.SubID)) + "|"
67 for _, rxg := range rte.RxGroups {
69 for _, rx := range rxg {
71 member += rx.Ip + ":" + strconv.Itoa(int(rx.Port))
73 member += "," + rx.Ip + ":" + strconv.Itoa(int(rx.Port))
84 if rte.RouteType == "%meid" {
85 rawrte += group + rte.RouteType
88 rawrt = append(rawrt, rawrte+"\n")
90 for _, val := range rtmgr.DynamicRouteList {
91 rawrt = append(rawrt, val)
94 rawrt = append(rawrt, key+"newrt|end\n")
97 rawrt = append(rawrt, key+"meid_map|start\n")
98 keys := make(map[string]RouteIndex)
99 for _, value := range rcs.MeidMap {
100 if _, v := keys[key+value+"\n"]; !v {
101 rawrt = append(rawrt, key+value+"\n")
102 appendedindex := uint16(len(rawrt) - 1)
103 keys[key+value+"\n"] = RouteIndex{true, appendedindex}
106 if strings.Contains(value, "mme_ar") {
107 tmpstr := strings.Split(value, "|")
109 //MEID entry for mme_ar must always contain 3 strings speartred by | i.e "mme_ar|<string1>|<string2>"
110 MEID := strings.TrimSuffix(tmpstr[2], "\n")
112 mapindex := "mme_del|" + MEID + "\n"
113 i := keys[mapindex].index
114 if keys[mapindex].flag {
115 copy(rawrt[i:], rawrt[i+1:])
116 rawrt[len(rawrt)-1] = ""
117 rawrt = rawrt[:len(rawrt)-1]
118 delete(keys, mapindex)
123 rawrt = append(rawrt, key+"meid_map|end|"+strconv.Itoa(count)+"\n")
125 xapp.Logger.Debug("rmr.GeneratePolicies returns: %v", rawrt)
126 xapp.Logger.Debug("rmr.GeneratePolicies returns: %v", rcs)
131 Produces the raw route message consumable by RMR
133 func (r *Rmr) generatePartialRMRPolicies(eps rtmgr.Endpoints, xappSubData *models.XappSubscriptionData, key string, updatetype rtmgr.RMRUpdateType) *[]string {
134 rawrt := []string{key + "updatert|start\n"}
135 rt := r.generatePartialRouteTable(eps, xappSubData, updatetype)
136 for _, rte := range *rt {
137 rawrte := key + "mse|" + rte.MessageType
138 for _, tx := range rte.TxList {
139 rawrte += "," + tx.Ip + ":" + strconv.Itoa(int(tx.Port))
141 rawrte += "|" + strconv.Itoa(int(rte.SubID)) + "|"
143 for _, rxg := range rte.RxGroups {
145 for _, rx := range rxg {
147 member += rx.Ip + ":" + strconv.Itoa(int(rx.Port))
149 member += "," + rx.Ip + ":" + strconv.Itoa(int(rx.Port))
155 group += ";" + member
160 if rte.RouteType == "%meid" {
161 rawrte += group + rte.RouteType
164 rawrt = append(rawrt, rawrte+"\n")
167 rawrt = append(rawrt, key+"updatert|end\n")
170 xapp.Logger.Debug("rmr.GeneratePolicies returns: %v", rawrt)
173 func (r *RmrPush) GeneratePolicies(eps rtmgr.Endpoints, rcs *rtmgr.RicComponents) *[]string {
174 xapp.Logger.Debug("Invoked rmr.GeneratePolicies, args: %v: ", eps)
175 return r.generateRMRPolicies(eps, rcs, "")
178 func (r *RmrPush) GenerateRouteTable(eps rtmgr.Endpoints) *rtmgr.RouteTable {
179 return r.generateRouteTable(eps)
182 func (r *RmrPush) GeneratePartialPolicies(eps rtmgr.Endpoints, xappSubData *models.XappSubscriptionData, updatetype rtmgr.RMRUpdateType) *[]string {
183 xapp.Logger.Debug("Invoked rmr.GeneratePartialRMR, args: %v: ", eps)
184 return r.generatePartialRMRPolicies(eps, xappSubData, "", updatetype)