X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fe2apv1sim%2Fsrc%2FE2AP%2FE2SM%2Fe2sm.c;fp=e2sim%2Fe2apv1sim%2Fsrc%2FE2AP%2FE2SM%2Fe2sm.c;h=6cad6cd576d766ff91c23fce3fd475f0df552348;hp=0000000000000000000000000000000000000000;hb=0eba05c4ff0c99974d3f3a63b65cbe2adb209e51;hpb=c380e183231711cf9f8bc72d0eb52e532dd07085 diff --git a/e2sim/e2apv1sim/src/E2AP/E2SM/e2sm.c b/e2sim/e2apv1sim/src/E2AP/E2SM/e2sm.c new file mode 100644 index 0000000..6cad6cd --- /dev/null +++ b/e2sim/e2apv1sim/src/E2AP/E2SM/e2sm.c @@ -0,0 +1,196 @@ +/***************************************************************************** +# * +# 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. * +# * +******************************************************************************/ +#include "e2sm.h" + +#include "ActionParameter-Item.h" +#include "ActionParameter-Value.h" +#include "PLMN-Identity.h" +#include "GlobalENB-ID.h" +#include "GlobalGNB-ID.h" +#include "Interface-ID.h" +#include "ProtocolIE-Field.h" +#include "InterfaceMessageType.h" +#include "InterfaceProtocolIE-Item.h" + +static PLMN_Identity_t *createPLMN_ID(const unsigned char *data) { + + PLMN_Identity_t *plmnId = calloc(1, sizeof(PLMN_Identity_t)); + ASN_STRUCT_RESET(asn_DEF_PLMN_Identity, plmnId); + plmnId->size = 3; + plmnId->buf = calloc(1, 3); + memcpy(plmnId->buf, data, 3); + + return plmnId; +} + +static GNB_ID_t *createGnb_id(const unsigned char *data, int numOfBits) { + + if (numOfBits < 22 || numOfBits > 32) { + printf("[Error] GNB_ID_t number of bits = %d, needs to be 22 .. 32", numOfBits); + return NULL; + } + + GNB_ID_t *gnb = calloc(1, sizeof(GNB_ID_t)); + ASN_STRUCT_RESET(asn_DEF_GNB_ID, gnb); + + gnb->present = GNB_ID_PR_gNB_ID; + gnb->choice.gNB_ID.size = numOfBits % 8 == 0 ? (unsigned int)(numOfBits / 8) : (unsigned int)(numOfBits / 8 + 1); + gnb->choice.gNB_ID.bits_unused = gnb->choice.gNB_ID.size * 8 - numOfBits; + gnb->choice.gNB_ID.buf = calloc(1, gnb->choice.gNB_ID.size); + memcpy(gnb->choice.gNB_ID.buf, data, gnb->choice.gNB_ID.size); + gnb->choice.gNB_ID.buf[gnb->choice.gNB_ID.size - 1] = + ((unsigned)(gnb->choice.gNB_ID.buf[gnb->choice.gNB_ID.size - 1] >> (unsigned)gnb->choice.gNB_ID.bits_unused) + << (unsigned)gnb->choice.gNB_ID.bits_unused); + + return gnb; +} + +static GlobalGNB_ID_t *createGlobalGNB_ID(PLMN_Identity_t *plmnIdentity, GNB_ID_t *gnb) { + + GlobalGNB_ID_t *ggnbId = calloc(1, sizeof(GlobalGNB_ID_t)); + ASN_STRUCT_RESET(asn_DEF_GlobalGNB_ID, ggnbId); + + memcpy(&ggnbId->pLMN_Identity, plmnIdentity, sizeof(PLMN_Identity_t)); + memcpy(&ggnbId->gNB_ID, gnb, sizeof(GNB_ID_t)); + + return ggnbId; +} + +static Interface_ID_t *createInterfaceIDForGnb(GlobalGNB_ID_t *gnb) { + + Interface_ID_t *interfaceId = calloc(1, sizeof(Interface_ID_t)); + ASN_STRUCT_RESET(asn_DEF_Interface_ID, interfaceId); + + interfaceId->present = Interface_ID_PR_global_gNB_ID; + interfaceId->choice.global_gNB_ID = gnb; + + return interfaceId; +} + +static InterfaceMessageType_t *createInterfaceMessageInitiating(long procedureCode) { + + InterfaceMessageType_t *intMsgT = calloc(1, sizeof(InterfaceMessageType_t)); + ASN_STRUCT_RESET(asn_DEF_InterfaceMessageType, intMsgT); + + intMsgT->procedureCode = procedureCode; + intMsgT->typeOfMessage = TypeOfMessage_initiating_message; + + return intMsgT; +} + +E2SM_gNB_X2_eventTriggerDefinition_t* create_eventTriggerDefinition(void) +{ + //PLMN_Identity + unsigned char plmnidData[3] = {0x33, 0xF4, 0x55}; + PLMN_Identity_t *plmnid = createPLMN_ID(plmnidData); + // xer_fprint(stdout, &asn_DEF_PLMN_Identity, (void *)plmnid); + + //GNB_ID + unsigned char gnbData[3] = {0x99, 0xaa, 0xbb}; + GNB_ID_t *gnb = createGnb_id(gnbData, 26); + // xer_fprint(stdout, &asn_DEF_GNB_ID, (void *)gnb); + + //GlobalGNB_ID + GlobalGNB_ID_t *globaGnb = createGlobalGNB_ID(plmnid, gnb); + // xer_fprint(stdout, &asn_DEF_GlobalGNB_ID, (void *)globaGnb); + + //Interface_ID + Interface_ID_t *gnbInterfaceId = createInterfaceIDForGnb(globaGnb); + // xer_fprint(stdout, &asn_DEF_Interface_ID, (void *)gnbInterfaceId); + + //InterfaceMessageType + InterfaceMessageType_t *initiatingInterface = createInterfaceMessageInitiating(35); + + //EventTriggerDefinition + E2SM_gNB_X2_eventTriggerDefinition_t *eventTrigger = calloc(1, sizeof(E2SM_gNB_X2_eventTriggerDefinition_t)); + ASN_STRUCT_RESET(asn_DEF_E2SM_gNB_X2_eventTriggerDefinition, eventTrigger); + + memcpy(&eventTrigger->interface_ID , gnbInterfaceId, sizeof(Interface_ID_t)); + + eventTrigger->interfaceDirection = 0; + memcpy(&eventTrigger->interfaceMessageType, initiatingInterface, sizeof(InterfaceMessageType_t)); + + return eventTrigger; +} + +#define E2AP_ASN1C_FIND_PROTOCOLIE_BY_ID(IE_TYPE, ie, container, IE_ID) \ + do {\ + IE_TYPE **ptr; \ + ie = NULL; \ + for (ptr = container->protocolIEs.list.array; \ + ptr < &container->protocolIEs.list.array[container->protocolIEs.list.count]; \ + ptr++) { \ + if((*ptr)->id == IE_ID) { \ + ie = *ptr; \ + break; \ + } \ + } \ + } while(0) + + +void test_eventTriggerDefinition(void) +{ + E2SM_gNB_X2_eventTriggerDefinition_t *eventTrigger = create_eventTriggerDefinition(); + + xer_fprint(stdout, &asn_DEF_E2SM_gNB_X2_eventTriggerDefinition, (void *)eventTrigger); + printf("\n"); + + uint8_t *eventBuff; + int eventBuff_len; + + eventBuff_len = aper_encode_to_new_buffer(&asn_DEF_E2SM_gNB_X2_eventTriggerDefinition, + 0, eventTrigger, (void **)&eventBuff); + + LOG_I("Encoded eventBuff_len = %d", eventBuff_len); + + //----------------------------------------------------------------------- + E2AP_PDU_t* pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionRequest.xml"); + e2ap_asn1c_print_pdu(pdu); + + InitiatingMessage_t *initiatingMessage = pdu->choice.initiatingMessage; + xer_fprint(stdout, &asn_DEF_InitiatingMessage, (void *)initiatingMessage); + + RICsubscriptionRequest_t *request = &initiatingMessage->value.choice.RICsubscriptionRequest; + xer_fprint(stdout, &asn_DEF_RICsubscriptionRequest, (void *)request); + + LOG_I("num of IEs = %d", request->protocolIEs.list.count); + + + RICsubscriptionRequest_IEs_t *ie; + + ie = request->protocolIEs.list.array[2]; + + // E2AP_ASN1C_FIND_PROTOCOLIE_BY_ID(RICsubscriptionRequest_IEs_t, ie, request, ProtocolIE_ID_id_RICsubscription); + // E2AP_ASN1C_FIND_PROTOCOLIE_BY_ID(RICsubscriptionRequest_IEs_t, ie, request, ProtocolIE_ID_id_RICrequestID); + + assert( ie != NULL); + + xer_fprint(stdout, &asn_DEF_RICsubscription, (void *)ie); + // xer_fprint(stdout, &asn_DEF_RICrequestID, (void *)ie); + + +} + +// +// typedef struct ProtocolIE_Container_119P0 { +// A_SEQUENCE_OF(struct RICsubscriptionRequest_IEs) list; +// +// /* Context for parsing across buffer boundaries */ +// asn_struct_ctx_t _asn_ctx; +// } ProtocolIE_Container_119P0_t;