X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fe2apv1sim%2Fsrc%2FE2AP%2Fe2ap_message_handler.cpp;fp=e2sim%2Fprevious%2Fe2apv1sim%2Fsrc%2FE2AP%2Fe2ap_message_handler.cpp;h=0000000000000000000000000000000000000000;hp=44f028d163a712ae7793142395d1df0822e0b27e;hb=f86662b5b6481f27e18313a36355871f3a947193;hpb=a9f02a2b5886990fd81e64f7c218c5d4844f18a3 diff --git a/e2sim/previous/e2apv1sim/src/E2AP/e2ap_message_handler.cpp b/e2sim/previous/e2apv1sim/src/E2AP/e2ap_message_handler.cpp deleted file mode 100644 index 44f028d..0000000 --- a/e2sim/previous/e2apv1sim/src/E2AP/e2ap_message_handler.cpp +++ /dev/null @@ -1,290 +0,0 @@ - - -/***************************************************************************** -# * -# 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 "e2ap_message_handler.hpp" - -//#include -//#include -#include "encode_e2apv1.hpp" -#include "kpm_callbacks.hpp" - -#include - -void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc) -{ - fprintf(stderr, "in e2ap_handle_sctp_data()\n"); - //decode the data into E2AP-PDU - E2AP_PDU_t* pdu = (E2AP_PDU_t*)calloc(1, sizeof(E2AP_PDU)); - ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu); - - 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"); - - xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu); - - int procedureCode = e2ap_asn1c_get_procedureCode(pdu); - index = (int)pdu->present; - - LOG_D("[E2AP] Unpacked E2AP-PDU: index = %d, procedureCode = %d\n", - index, procedureCode); - - switch(procedureCode) - { - - case ProcedureCode_id_E2setup: - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: - 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; - - 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_RICsubscription: //RIC SUBSCRIPTION = 201 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received RIC-SUBSCRIPTION-REQUEST"); - // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd); - callback_kpm_subscription_request(pdu, socket_fd); - // e2ap_handle_RICSubscriptionRequest_securityDemo(pdu, socket_fd); - break; - - case E2AP_PDU_PR_successfulOutcome: - LOG_I("[E2AP] Received RIC-SUBSCRIPTION-RESPONSE"); - break; - - case E2AP_PDU_PR_unsuccessfulOutcome: - LOG_I("[E2AP] Received RIC-SUBSCRIPTION-FAILURE"); - break; - - default: - LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index); - break; - } - break; - - case ProcedureCode_id_RICindication: // 205 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received RIC-INDICATION-REQUEST"); - // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd); - break; - 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; - - default: - - LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode); - - break; - } -} - -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); - - - 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); - - //data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buffer, er.encoded); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent E2-SETUP-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send E2-SETUP-RESPONSE to peer"); - } - - sleep(5); - - //Sending Subscription Request - - E2AP_PDU_t* pdu_sub = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU)); - - generate_e2apv1_subscription_request(pdu_sub); - - xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_sub); - - 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"); - } - - -} - - -void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) -{ - - //Send back Subscription Success Response - - E2AP_PDU_t* pdu_resp = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU)); - - generate_e2apv1_subscription_response(pdu_resp, pdu); - - fprintf(stderr, "Subscription Response\n"); - - xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_resp); - - 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); - data2.len = er2.encoded; - - fprintf(stderr, "er encded is %d\n", er2.encoded); - - memcpy(data2.buffer, buffer2, er2.encoded); - - if(sctp_send_data(socket_fd, data2) > 0) { - LOG_I("[SCTP] Sent RIC-SUBSCRIPTION-RESPONSE"); - } 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)); - - generate_e2apv1_indication_request(pdu_ind); - - xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_ind); - - 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); - data.len = er.encoded; - - fprintf(stderr, "er encded is %d\n", er.encoded); - - memcpy(data.buffer, buffer, er.encoded); - - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent RIC-INDICATION-REQUEST"); - } else { - LOG_E("[SCTP] Unable to send RIC-INDICATION-REQUEST to peer"); - } - -} - - - -