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setup/e2/RIC-E2-TERMINATION/TEST/testAsn/T2/SubscriptionTest.cpp

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+/*
+ * Copyright 2019 AT&T Intellectual Property
+ * Copyright 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).
+ */
+
+
+//
+// Created by adi ENZEL on 6/17/19.
+//
+
+#include <mdclog/mdclog.h>
+
+#include "asn/type_defs.h"
+#include "asn/per/codec.hpp"
+#include "asn/printer.hpp"
+
+#include "X2AP-CommonDataTypes.hpp"
+#include "X2AP-Containers.hpp"
+#include "X2AP-Constants.hpp"
+#include "X2AP-IEs.hpp"
+#include "X2AP-PDU-Contents.hpp"
+
+#include "E2AP-Constants.hpp"
+#include "E2AP-IEs.hpp"
+#include "E2AP-PDU-Contents.hpp"
+#include "E2AP-PDU-Descriptions.hpp"
+
+
+#include <iostream>
+#include <cstdio>
+#include <cctype>
+#include <cstring>
+
+#include <pthread.h>
+#include <rmr/rmr.h>
+#include <rmr/RIC_message_types.h>
+
+#include "logInit.h"
+
+// test X2SetUP request and response
+using namespace std;
+
+#define MAXEVENTS 64
+
+int main(const int argc, char **argv) {
+    mdclog_severity_t loglevel = MDCLOG_INFO;
+
+    auto buff = new string("Subscription TEST");
+    init_log((char *)buff->c_str());
+
+    mdclog_level_set(loglevel);
+
+    if (argc < 5){
+        mdclog_mdc_add("app", argv[0]);
+        mdclog_write(MDCLOG_ERR, "Usage ran <ran name> rmr <rmr address> [logLevel <debug/warning/info/error]");
+        return -1 ;
+    }
+
+    char ranName[256] {0};
+    char rmrAddress[256] {0};
+
+    char str1[128];
+    for (int i = 1; i < argc; i += 2) {
+        for (int j = 0; j < strlen(argv[i]); j++) {
+            str1[j] = (char)tolower(argv[i][j]);
+        }
+        str1[strlen(argv[i])] = 0;
+        if (strcmp("ran", str1) == 0) {
+            strcpy(ranName, argv[i + 1]);
+        } else if (strcmp("rmr", str1) == 0) {
+            strcpy(rmrAddress, argv[i + 1]);
+        } else if (strcmp("loglevel", str1) == 0) {
+            if (strcmp("debug", argv[i + 1]) == 0) {
+                loglevel = MDCLOG_DEBUG;
+            } else if (strcmp("info", argv[i + 1]) == 0) {
+                loglevel = MDCLOG_INFO;
+            } else if (strcmp("warning", argv[i + 1]) == 0) {
+                loglevel = MDCLOG_WARN;
+            } else if (strcmp("error", argv[i + 1]) == 0) {
+                loglevel = MDCLOG_ERR;
+            }
+        }
+    }
+
+    void *rmrCtx = rmr_init(rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
+    if (rmrCtx == nullptr ) {
+        mdclog_write(MDCLOG_ERR, "RMR failed to initialise : %s", strerror(errno));
+        return(-1);
+    }
+
+    // get the RMR fd for the epoll
+    auto rmrListenFd = rmr_get_rcvfd(rmrCtx);
+
+    auto epoll_fd = epoll_create1(0);
+    if (epoll_fd == -1) {
+        mdclog_write(MDCLOG_ERR,"failed to open epoll descriptor");
+        rmr_close(rmrCtx);
+        return -2;
+    }
+
+    struct epoll_event event {};
+    event.events = EPOLLIN;
+    event.data.fd = rmrListenFd;
+    // add listening sctpPort to epoll
+    if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, rmrListenFd, &event)) {
+        mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
+        close(rmrListenFd);
+        rmr_close(rmrCtx);
+        return -3;
+    }
+
+
+    // we need to find that routing table exist and we can run
+    if (mdclog_level_get() >= MDCLOG_INFO) {
+        mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
+    }
+
+    int rmrReady = 0;
+    int count = 0;
+    while (!rmrReady) {
+        if ((rmrReady = rmr_ready(rmrCtx)) == 0) {
+            sleep(1);
+        }
+        count++;
+        if (count % 60 == 0) {
+            mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
+        }
+        if (count > 180) {
+            mdclog_write(MDCLOG_ERR, "RMR not ready tried for 3 minutes ");
+            return(-2);
+        }
+    }
+    if (mdclog_level_get() >= MDCLOG_INFO) {
+        mdclog_write(MDCLOG_INFO, "RMR running");
+    }
+
+    E2AP_PDU cuAckPdu {};
+    auto &succ = cuAckPdu.select_successfulOutcome();
+    succ.ref_procedureCode().select_id_endcConfigurationUpdate();
+    succ.ref_criticality().select_id_endcConfigurationUpdate();
+    auto &endcConfAck = succ.ref_value().select_id_endcConfigurationUpdate();
+    auto &confAckIes =  endcConfAck.ref_protocolIEs();
+
+    ENDCConfigurationUpdateAcknowledge::protocolIEs_t::value_type endcENB {};
+    endcENB.ref_id().select_id_RespondingNodeType_EndcConfigUpdate();
+    endcENB.ref_criticality().select_id_RespondingNodeType_EndcConfigUpdate();
+
+    auto &respondingNode = endcENB.ref_value().select_id_RespondingNodeType_EndcConfigUpdate();
+
+    auto &enb = respondingNode.select_respond_eNB();
+
+
+    confAckIes.push_back(endcENB);
+
+
+
+    E2AP_PDU pdu {};
+    auto &initiatingMsg = pdu.select_initiatingMessage();
+    initiatingMsg.ref_procedureCode().select_id_ricSubscription();
+    initiatingMsg.ref_criticality().select_id_ricSubscription();
+    auto &subscription = initiatingMsg.ref_value().select_id_ricSubscription();
+
+    auto &ies = subscription.ref_protocolIEs();
+
+
+
+    RICsubscriptionRequest::protocolIEs_t::value_type ranFuncId {};
+    ranFuncId.ref_id().select_id_RANfunctionID();
+    ranFuncId.ref_criticality().select_id_RANfunctionID();
+    ranFuncId.ref_value().select_id_RANfunctionID().set(28);
+    ies.push_back(ranFuncId);
+
+    RICsubscriptionRequest::protocolIEs_t::value_type ricRequestId {};
+    ricRequestId.ref_id().select_id_RICrequestID();
+    ricRequestId.ref_criticality().select_id_RICrequestID();
+    ricRequestId.ref_value().select_id_RICrequestID().ref_ricRequestorID().set(44);
+    ricRequestId.ref_value().select_id_RICrequestID().ref_ricRequestSequenceNumber().set(55);
+    ies.push_back(ricRequestId);
+
+    RICsubscriptionRequest::protocolIEs_t::value_type ricSubId {};
+    ricSubId.ref_id().select_id_RICsubscription();
+    ricSubId.ref_criticality().select_id_RICsubscription();
+
+    //E2SM_gNB_X2_eventTriggerDefinition_t evt;
+    uint8_t v1[] = {0x02, 0xf8, 0x29, 0x88};
+
+    RICeventTriggerDefinition eventTriggerDef {};  // octet string in E2AP but struct in E2SM
+    eventTriggerDef.set(4, v1);
+
+//    eventTriggerDef.
+//
+//
+//    RICaction_Admitted_List::value_type actbl {};
+//    actbl.ref_id().select_id_RICaction_Admitted_Item();
+//    actbl.ref_criticality().select_id_RICaction_Admitted_Item();
+
+
+//    RICaction_ToBeSetup_Item actb1{};
+//
+//    actbl.ref_value().select_id_RICaction_Admitted_Item().ref_ricActionID().set(actb1);
+//    ricSubId.ref_value().select_id_RICsubscription().ref_ricAction_ToBeSetup_List().set(actbl);
+
+
+    ies.push_back(ricSubId);
+
+/*
+
+    ies.push_back(ranFuncId);
+
+    X2SetupRequest::protocolIEs_t::value_type sc {};
+    ies.push_back(sc);
+
+    sc.ref_id().select_id_ServedCells();
+    sc.ref_criticality().select_id_ServedCells();
+
+    ServedCells::value_type sce;
+    sc.ref_value().select_id_ServedCells().push_back(sce);
+
+    sce.ref_servedCellInfo().ref_pCI().set(0x1F7);
+    uint8_t v3[] = {0x1, 0x2};
+    sce.ref_servedCellInfo().ref_tAC().set(2,v3);
+    sce.ref_servedCellInfo().ref_cellId().ref_pLMN_Identity().set(3, v1);
+    uint8_t v4[] = {0x00, 0x07, 0xab, ((unsigned)0x50) >> (unsigned)4};
+    sce.ref_servedCellInfo().ref_cellId().ref_eUTRANcellIdentifier().set_buffer(28, v4);
+
+    BroadcastPLMNs_Item::value_type bpe;
+    sce.ref_servedCellInfo().ref_broadcastPLMNs().push_back(bpe);
+    bpe.set(3, v1);
+
+    sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_uL_EARFCN().set(0x1);
+    sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_dL_EARFCN().set(0x1);
+    sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_uL_Transmission_Bandwidth().set(Transmission_Bandwidth::bw50);
+    sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_dL_Transmission_Bandwidth().set(Transmission_Bandwidth::bw50);
+
+*/
+
+    unsigned char s_buffer[64 * 1024];
+    asn::per::EncoderCtx ctx{s_buffer, sizeof(s_buffer)};
+    std::cout << asn::get_printed(pdu) << std::endl;
+    if (!asn::per::pack(pdu, ctx)) {
+        std::cout << ctx.refErrorCtx().toString() << std::endl;
+        return -3;
+    }
+    size_t packed_buf_size;
+    packed_buf_size = static_cast<size_t>(ctx.refBuffer().getBytesUsed());
+
+    // build message
+    char data[4096] {};
+    //auto delimiter = (const char) '|';
+    sprintf(data, "%s/0", ctx.refBuffer().getBytes(packed_buf_size));
+
+    rmr_mbuf_t *msg = rmr_alloc_msg(rmrCtx, int(strlen(data)));
+    rmr_bytes2meid(msg, (unsigned char const*)ranName, strlen(ranName));
+    rmr_bytes2payload(msg, (unsigned char const*)data, strlen(data));
+    rmr_bytes2xact(msg, (unsigned char const*)ranName, strlen(ranName));
+    msg->mtype = RIC_SUB_REQ;
+    msg->state = 0;
+
+    msg = rmr_send_msg(rmrCtx, msg);
+    if (msg->state != 0) {
+        mdclog_write(MDCLOG_ERR, "Message state %d while sending RIC_X2_SETUP to %s", msg->state, ranName);
+        rmr_free_msg(msg);
+        rmr_close(rmrCtx);
+        return -4;
+    }
+    rmr_free_msg(msg);
+
+
+    unsigned char allocBuffer[64*1024] {0};
+    auto *events = (struct epoll_event *)calloc(MAXEVENTS, sizeof(event));
+
+    while (true) {
+
+        auto numOfEvents = epoll_wait(epoll_fd, events, MAXEVENTS, -1);
+        if (numOfEvents < 0) {
+            mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
+            rmr_close(rmrCtx);
+            return -4;
+        }
+        for (auto i = 0; i < numOfEvents; i++) {
+            if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP) || (!(events[i].events & EPOLLIN))) {
+                mdclog_write(MDCLOG_ERR, "epoll error");
+            } else if (rmrListenFd == events[i].data.fd) {
+                msg = rmr_alloc_msg(rmrCtx, 4096);
+                if (msg == nullptr) {
+                    mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
+                    rmr_close(rmrCtx);
+                    return -5;
+                }
+
+                msg = rmr_rcv_msg(rmrCtx, msg);
+                if (msg == nullptr) {
+                    mdclog_write(MDCLOG_ERR, "RMR Receving message, %s", strerror(errno));
+                    rmr_close(rmrCtx);
+                    return -6;
+                }
+                memset(allocBuffer, 0, 64*1024);
+                switch (msg->mtype) {
+                    default: {
+                        mdclog_write(MDCLOG_INFO, "RMR receiveing message type %d", msg->mtype);
+                        asn::per::DecoderCtx dCtx{msg->payload, (size_t) msg->len, allocBuffer, sizeof(allocBuffer)};
+                        E2AP_PDU opdu;
+                        if (!asn::per::unpack(opdu, dCtx)) {
+                            mdclog_write(MDCLOG_ERR, "Failed to unpack ASN message, %s", dCtx.refErrorCtx().toString());
+                            rmr_close(rmrCtx);
+                            return -7;
+                        }
+
+                        switch (opdu.get_index()) {
+                            case 1: { //initiating message
+                                mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
+                                             opdu.get_initiatingMessage()->ref_procedureCode().ref_value().get());
+                                break;
+                            }
+                            case 2: { //successful message
+                                mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
+                                             opdu.get_successfulOutcome()->ref_procedureCode().ref_value().get());
+                                break;
+                            }
+                            case 3: { //unsuccessesful message
+                                mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
+                                             opdu.get_unsuccessfulOutcome()->ref_procedureCode().ref_value().get());
+                                break;
+                            }
+
+                        }
+                        mdclog_write(MDCLOG_INFO, "RMR receiveing message from E2 terminator, %d",
+                                     msg->mtype);
+                        break;
+                    }
+                }
+            }
+        }
+    }
+}