245 lines
7.9 KiB
Go
245 lines
7.9 KiB
Go
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//
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// Copyright 2019 AT&T Intellectual Property
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// Copyright 2019 Nokia
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This source code is part of the near-RT RIC (RAN Intelligent Controller)
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// platform project (RICP).
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package models
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import (
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"encoding/xml"
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)
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type TimeToWait = int
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var TimeToWaitEnum = struct {
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V60s TimeToWait
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V20s TimeToWait
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V10s TimeToWait
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V5s TimeToWait
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V2s TimeToWait
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V1s TimeToWait
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}{60, 20, 10, 5, 2, 1}
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var timeToWaitMap = map[TimeToWait]interface{}{
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TimeToWaitEnum.V60s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V60s string `xml:"v60s"`
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}{},
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TimeToWaitEnum.V20s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V20s string `xml:"v20s"`
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}{},
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TimeToWaitEnum.V10s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V10s string `xml:"v10s"`
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}{},
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TimeToWaitEnum.V5s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V5s string `xml:"v5s"`
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}{},
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TimeToWaitEnum.V2s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V2s string `xml:"v2s"`
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}{},
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TimeToWaitEnum.V1s: struct {
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XMLName xml.Name `xml:"TimeToWait"`
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Text string `xml:",chardata"`
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V1s string `xml:"v1s"`
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}{},
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}
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func NewE2SetupSuccessResponseMessage(plmnId string, ricId string, request *E2SetupRequestMessage) E2SetupResponseMessage {
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outcome := SuccessfulOutcome{}
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outcome.ProcedureCode = "1"
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setupRequestIes := request.E2APPDU.InitiatingMessage.Value.E2setupRequest.ProtocolIEs.E2setupRequestIEs
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outcome.Value.E2setupResponse.ProtocolIEs.E2setupResponseIEs = make([]E2setupResponseIEs, len(setupRequestIes))
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outcome.Value.E2setupResponse.ProtocolIEs.E2setupResponseIEs[0].ID = "4"
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outcome.Value.E2setupResponse.ProtocolIEs.E2setupResponseIEs[0].Value = GlobalRICID{GlobalRICID: struct {
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Text string `xml:",chardata"`
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PLMNIdentity string `xml:"pLMN-Identity"`
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RicID string `xml:"ric-ID"`
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}{PLMNIdentity: plmnId, RicID: ricId}}
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if len(setupRequestIes) < 2 {
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return E2SetupResponseMessage{E2APPDU: E2APPDU{Outcome: outcome}}
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}
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functionsIdList := extractRanFunctionsIDList(request)
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outcome.Value.E2setupResponse.ProtocolIEs.E2setupResponseIEs[1].ID = "9"
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outcome.Value.E2setupResponse.ProtocolIEs.E2setupResponseIEs[1].Value = RANfunctionsIDList{RANfunctionsIDList: struct {
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Text string `xml:",chardata"`
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ProtocolIESingleContainer []ProtocolIESingleContainer `xml:"ProtocolIE-SingleContainer"`
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}{ProtocolIESingleContainer: functionsIdList}}
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return E2SetupResponseMessage{E2APPDU: E2APPDU{Outcome: outcome}}
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}
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func NewE2SetupFailureResponseMessage(timeToWait TimeToWait) E2SetupResponseMessage {
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outcome := UnsuccessfulOutcome{}
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outcome.Value.E2setupFailure.ProtocolIEs.E2setupFailureIEs = make([]E2setupFailureIEs, 2)
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outcome.ProcedureCode = "1"
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outcome.Value.E2setupFailure.ProtocolIEs.E2setupFailureIEs[0].ID = "1"
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outcome.Value.E2setupFailure.ProtocolIEs.E2setupFailureIEs[0].Value.Value = Cause{}
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outcome.Value.E2setupFailure.ProtocolIEs.E2setupFailureIEs[1].ID = "31"
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outcome.Value.E2setupFailure.ProtocolIEs.E2setupFailureIEs[1].Value.Value = timeToWaitMap[timeToWait]
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return E2SetupResponseMessage{E2APPDU: E2APPDU{Outcome: outcome}}
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}
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type E2SetupResponseMessage struct {
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XMLName xml.Name `xml:"E2SetupSuccessResponseMessage"`
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Text string `xml:",chardata"`
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E2APPDU E2APPDU
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}
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type E2APPDU struct {
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XMLName xml.Name `xml:"E2AP-PDU"`
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Text string `xml:",chardata"`
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Outcome interface{}
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}
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type SuccessfulOutcome struct {
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XMLName xml.Name `xml:"successfulOutcome"`
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Text string `xml:",chardata"`
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ProcedureCode string `xml:"procedureCode"`
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Criticality struct {
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Text string `xml:",chardata"`
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Reject string `xml:"reject"`
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} `xml:"criticality"`
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Value struct {
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Text string `xml:",chardata"`
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E2setupResponse struct {
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Text string `xml:",chardata"`
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ProtocolIEs struct {
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Text string `xml:",chardata"`
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E2setupResponseIEs []E2setupResponseIEs `xml:"E2setupResponseIEs"`
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} `xml:"protocolIEs"`
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} `xml:"E2setupResponse"`
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} `xml:"value"`
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}
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type E2setupResponseIEs struct {
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Text string `xml:",chardata"`
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ID string `xml:"id"`
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Criticality struct {
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Text string `xml:",chardata"`
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Reject string `xml:"reject"`
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} `xml:"criticality"`
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Value interface{} `xml:"value"`
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}
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type GlobalRICID struct {
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Text string `xml:",chardata"`
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GlobalRICID struct {
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Text string `xml:",chardata"`
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PLMNIdentity string `xml:"pLMN-Identity"`
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RicID string `xml:"ric-ID"`
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} `xml:"GlobalRIC-ID"`
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}
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type RANfunctionsIDList struct {
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Text string `xml:",chardata"`
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RANfunctionsIDList struct {
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Text string `xml:",chardata"`
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ProtocolIESingleContainer []ProtocolIESingleContainer `xml:"ProtocolIE-SingleContainer"`
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} `xml:"RANfunctionsID-List"`
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}
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type ProtocolIESingleContainer struct {
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Text string `xml:",chardata"`
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ID string `xml:"id"`
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Criticality struct {
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Text string `xml:",chardata"`
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Ignore string `xml:"ignore"`
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} `xml:"criticality"`
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Value struct {
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Text string `xml:",chardata"`
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RANfunctionIDItem struct {
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Text string `xml:",chardata"`
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RanFunctionID string `xml:"ranFunctionID"`
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RanFunctionRevision string `xml:"ranFunctionRevision"`
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} `xml:"RANfunctionID-Item"`
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} `xml:"value"`
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}
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type UnsuccessfulOutcome struct {
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XMLName xml.Name `xml:"unsuccessfulOutcome"`
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Text string `xml:",chardata"`
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ProcedureCode string `xml:"procedureCode"`
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Criticality struct {
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Text string `xml:",chardata"`
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Reject string `xml:"reject"`
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} `xml:"criticality"`
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Value struct {
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Text string `xml:",chardata"`
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E2setupFailure struct {
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Text string `xml:",chardata"`
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ProtocolIEs struct {
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Text string `xml:",chardata"`
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E2setupFailureIEs []E2setupFailureIEs `xml:"E2setupFailureIEs"`
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} `xml:"protocolIEs"`
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} `xml:"E2setupFailure"`
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} `xml:"value"`
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}
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type E2setupFailureIEs struct {
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Text string `xml:",chardata"`
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ID string `xml:"id"`
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Criticality struct {
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Text string `xml:",chardata"`
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Ignore string `xml:"ignore"`
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} `xml:"criticality"`
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Value struct {
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Text string `xml:",chardata"`
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Value interface{}
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} `xml:"value"`
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}
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type Cause struct {
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XMLName xml.Name `xml:"Cause"`
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Text string `xml:",chardata"`
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Transport struct {
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Text string `xml:",chardata"`
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TransportResourceUnavailable string `xml:"transport-resource-unavailable"`
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} `xml:"transport"`
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}
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func extractRanFunctionsIDList(request *E2SetupRequestMessage) []ProtocolIESingleContainer {
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list := &request.E2APPDU.InitiatingMessage.Value.E2setupRequest.ProtocolIEs.E2setupRequestIEs[1].Value.RANfunctionsList
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ids := make([]ProtocolIESingleContainer, len(list.ProtocolIESingleContainer))
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for i := 0; i < len(ids); i++ {
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ids[i] = convertToRANfunctionID(list, i)
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}
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return ids
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}
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func convertToRANfunctionID(list *RANfunctionsList, i int) ProtocolIESingleContainer {
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id := ProtocolIESingleContainer{}
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id.ID = "6"
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id.Value.RANfunctionIDItem.RanFunctionID = list.ProtocolIESingleContainer[i].Value.RANfunctionItem.RanFunctionID
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id.Value.RANfunctionIDItem.RanFunctionRevision = list.ProtocolIESingleContainer[i].Value.RANfunctionItem.RanFunctionRevision
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return id
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}
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