X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fe2apv1sim%2Fe2sim%2Fsrc%2FE2APr%2Fe2ap_message_handler.cpp;h=0bd647980d1106851aa21b1cc975527f476f170a;hp=d3778c04431c6411fd974bf4be301c758551267b;hb=391d64013acb0333456cbba3a9ed5712c5c85bd2;hpb=50c32c08fb607bb7b1ac098f90c4b3a21eac169c diff --git a/e2sim/previous/e2apv1sim/e2sim/src/E2APr/e2ap_message_handler.cpp b/e2sim/previous/e2apv1sim/e2sim/src/E2APr/e2ap_message_handler.cpp index d3778c0..0bd6479 100644 --- a/e2sim/previous/e2apv1sim/e2sim/src/E2APr/e2ap_message_handler.cpp +++ b/e2sim/previous/e2apv1sim/e2sim/src/E2APr/e2ap_message_handler.cpp @@ -1,9 +1,8 @@ - - /***************************************************************************** # * # Copyright 2019 AT&T Intellectual Property * # Copyright 2019 Nokia * +# Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved. * # * # Licensed under the Apache License, Version 2.0 (the "License"); * # you may not use this file except in compliance with the License. * @@ -38,27 +37,27 @@ void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc) fprintf(stderr, "decoding...\n"); asn_transfer_syntax syntax; - + syntax = ATS_ALIGNED_BASIC_PER; - + fprintf(stderr, "full buffer\n%s\n", data.buffer); // e2ap_asn1c_decode_pdu(pdu, data.buffer, data.len); auto rval = asn_decode(nullptr, syntax, &asn_DEF_E2AP_PDU, (void **) &pdu, data.buffer, data.len); - + int index = (int)pdu->present; fprintf(stderr, "length of data %d\n", rval.consumed); fprintf(stderr, "result %d\n", rval.code); fprintf(stderr, "index is %d\n", index); - - fprintf(stderr, "showing xer of data\n"); - + + fprintf(stderr, "showing xer of data\n"); + xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu); - + int procedureCode = e2ap_asn1c_get_procedureCode(pdu); index = (int)pdu->present; @@ -67,7 +66,7 @@ void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc) switch(procedureCode) { - + case ProcedureCode_id_E2setup: switch(index) { @@ -75,40 +74,40 @@ void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc) e2ap_handle_E2SetupRequest(pdu, socket_fd); LOG_I("[E2AP] Received SETUP-REQUEST"); break; - + case E2AP_PDU_PR_successfulOutcome: LOG_I("[E2AP] Received SETUP-RESPONSE-SUCCESS"); break; - + case E2AP_PDU_PR_unsuccessfulOutcome: LOG_I("[E2AP] Received SETUP-RESPONSE-FAILURE"); break; - + default: LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index); break; } - break; - + break; + case ProcedureCode_id_Reset: //reset = 7 switch(index) { case E2AP_PDU_PR_initiatingMessage: LOG_I("[E2AP] Received RESET-REQUEST"); break; - + case E2AP_PDU_PR_successfulOutcome: break; - + case E2AP_PDU_PR_unsuccessfulOutcome: break; - + default: LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index); break; } break; - + case ProcedureCode_id_RICindication: // 205 switch(index) { @@ -119,33 +118,103 @@ void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc) case E2AP_PDU_PR_successfulOutcome: LOG_I("[E2AP] Received RIC-INDICATION-RESPONSE"); break; - + case E2AP_PDU_PR_unsuccessfulOutcome: LOG_I("[E2AP] Received RIC-INDICATION-FAILURE"); break; - + default: LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index, (int)ProcedureCode_id_RICindication); break; } break; - + + case ProcedureCode_id_RICserviceQuery: + switch (index) + { + case E2AP_PDU_PR_initiatingMessage: + LOG_I("[E2AP] Received RIC-Service-Query") + e2ap_handle_E2SeviceUpdate(pdu, socket_fd); + break; + + default: + LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index, + (int)ProcedureCode_id_RICserviceQuery); + break; + } + break; + + case ProcedureCode_id_RICserviceUpdate: + switch (index) + { + case E2AP_PDU_PR_successfulOutcome: + LOG_I("[E2AP] Received RIC-SERVICE-UPDATE-SUCCESS") + break; + + case E2AP_PDU_PR_unsuccessfulOutcome: + LOG_I("[E2AP] Received RIC-SERVICE-UPDATE-FAILURE") + break; + + default: + LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index, + (int)ProcedureCode_id_RICserviceUpdate); + break; + } + break; + default: - + LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode); break; } } +void e2ap_handle_E2SeviceUpdate(E2AP_PDU_t* pdu, int &socket_fd) { + +auto buffer_size = MAX_SCTP_BUFFER; + unsigned char buffer[MAX_SCTP_BUFFER]; + E2AP_PDU_t* pdu = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU)); + generate_e2apv1_service_update(pdu); + + printf("After generating e2setup req\n"); + + xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu); + + printf("After XER Encoding\n"); + + sctp_buffer_t data; + + char *error_buf = (char*)calloc(300, sizeof(char)); + size_t errlen; + + asn_check_constraints(&asn_DEF_E2AP_PDU, pdu, error_buf, &errlen); + printf("error length %d\n", errlen); + printf("error buf %s\n", error_buf); + + auto er = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size); + //auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu_setup, buffer, buffer_size); + data.len = er.encoded; + fprintf(stderr, "er encoded is %d\n", er.encoded); + + memcpy(data.buffer, buffer, er.encoded); + + //send response data over sctp + if(sctp_send_data(socket_fd, data) > 0) { + LOG_I("[SCTP] Sent E2-SERVICE-UPDATE"); + } else { + LOG_E("[SCTP] Unable to send E2-SERVICE-UPDATE to peer"); + } +} + void e2ap_handle_E2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) { - + E2AP_PDU_t* res_pdu = (E2AP_PDU_t*)calloc(1, sizeof(E2AP_PDU)); generate_e2apv1_setup_response(res_pdu); - + LOG_D("[E2AP] Created E2-SETUP-RESPONSE"); e2ap_asn1c_print_pdu(res_pdu); @@ -153,13 +222,13 @@ void e2ap_handle_E2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) { auto buffer_size = MAX_SCTP_BUFFER; unsigned char buffer[MAX_SCTP_BUFFER]; - + sctp_buffer_t data; auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, res_pdu, buffer, buffer_size); data.len = er.encoded; - fprintf(stderr, "er encoded is %d\n", er.encoded); - + fprintf(stderr, "er encoded is %d\n", er.encoded); + //data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); memcpy(data.buffer, buffer, er.encoded); @@ -182,21 +251,21 @@ void e2ap_handle_E2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) { auto buffer_size2 = MAX_SCTP_BUFFER; unsigned char buffer2[MAX_SCTP_BUFFER]; - + sctp_buffer_t data2; auto er2 = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_sub, buffer2, buffer_size2); - + data2.len = er2.encoded; memcpy(data2.buffer, buffer2, er2.encoded); - + fprintf(stderr, "er encded is %d\n", er2.encoded); if(sctp_send_data(socket_fd, data2) > 0) { LOG_I("[SCTP] Sent E2-SUBSCRIPTION-REQUEST"); } else { LOG_E("[SCTP] Unable to send E2-SUBSCRIPTION-REQUEST to peer"); - } + } } @@ -217,7 +286,7 @@ void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) auto buffer_size2 = MAX_SCTP_BUFFER; unsigned char buffer2[MAX_SCTP_BUFFER]; - + sctp_buffer_t data2; auto er2 = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_resp, buffer2, buffer_size2); @@ -232,8 +301,8 @@ void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) } else { LOG_E("[SCTP] Unable to send RIC-SUBSCRIPTION-RESPONSE to peer"); } - - + + //Send back an Indication E2AP_PDU_t* pdu_ind = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU)); @@ -244,7 +313,7 @@ void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) auto buffer_size = MAX_SCTP_BUFFER; unsigned char buffer[MAX_SCTP_BUFFER]; - + sctp_buffer_t data; auto er = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_ind, buffer, buffer_size); @@ -258,10 +327,6 @@ void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) LOG_I("[SCTP] Sent RIC-INDICATION-REQUEST"); } else { LOG_E("[SCTP] Unable to send RIC-INDICATION-REQUEST to peer"); - } + } } - - - -