X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fsrc%2FE2AP%2Fe2ap_message_handler.cpp;fp=e2sim%2Fprevious%2Fsrc%2FE2AP%2Fe2ap_message_handler.cpp;h=0000000000000000000000000000000000000000;hp=39347a16f8cf95787072926b888bbe6d9374abe3;hb=f86662b5b6481f27e18313a36355871f3a947193;hpb=a9f02a2b5886990fd81e64f7c218c5d4844f18a3 diff --git a/e2sim/previous/src/E2AP/e2ap_message_handler.cpp b/e2sim/previous/src/E2AP/e2ap_message_handler.cpp deleted file mode 100644 index 39347a1..0000000 --- a/e2sim/previous/src/E2AP/e2ap_message_handler.cpp +++ /dev/null @@ -1,388 +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 - -void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data) -{ - //decode the data into E2AP-PDU - E2AP_PDU_t* pdu = new E2AP_PDU_t(); - - e2ap_asn1c_decode_pdu(pdu, data.buffer, data.len); - - e2ap_asn1c_print_pdu(pdu); - - int procedureCode = e2ap_asn1c_get_procedureCode(pdu); - int index = (int)pdu->present; - - LOG_D("[E2AP] Unpacked E2AP-PDU: index = %d, procedureCode = %d\n", - index, procedureCode); - - switch(procedureCode) - { - case ProcedureCode_id_x2Setup: //X2Setup = 6 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received X2-SETUP-REQUEST"); - e2ap_handle_X2SetupRequest(pdu, socket_fd); - break; - - case E2AP_PDU_PR_successfulOutcome: //successfulOutcome - LOG_I("[E2AP] Received X2-SETUP-RESPONSE"); - e2ap_handle_X2SetupResponse(pdu, socket_fd); - break; - - case E2AP_PDU_PR_unsuccessfulOutcome: - break; - - default: - LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index); - break; - } - break; - - case ProcedureCode_id_endcX2Setup: //ENDCX2Setup = 36 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received ENDC-X2-SETUP-REQUEST"); - e2ap_handle_ENDCX2SetupRequest(pdu, socket_fd); - break; - - case E2AP_PDU_PR_successfulOutcome: //successfulOutcome - LOG_I("[E2AP] Received ENDC-X2-SETUP-RESPONSE"); - //no handler yet - break; - - case E2AP_PDU_PR_unsuccessfulOutcome: - LOG_I("[E2AP] Received ENDC-X2-SETUP-FAILURE"); - //no handler yet - 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); - 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"); - // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd); - break; - - default: - LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index, - (int)ProcedureCode_id_ricIndication); - break; - } - break; - - case ProcedureCode_id_resourceStatusReportingInitiation: //9 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received RESOURCE-STATUS-REQUEST"); - e2ap_handle_ResourceStatusRequest(pdu, socket_fd); - break; - - case E2AP_PDU_PR_successfulOutcome: //successfulOutcome - LOG_I("[E2AP] Received RESOURCE-STATUS-RESPONSE"); - break; - - case E2AP_PDU_PR_unsuccessfulOutcome: - LOG_I("[E2AP] Received RESOURCE-STATUS-FAILURE"); - break; - - default: - LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index, - (int)ProcedureCode_id_resourceStatusReportingInitiation); - break; - } - break; - - case ProcedureCode_id_resourceStatusReporting: // 10 - switch(index) - { - case E2AP_PDU_PR_initiatingMessage: //initiatingMessage - LOG_I("[E2AP] Received RESOURCE-STATUS-UPDATE"); - break; - - default: - LOG_E("[E2AP] Unable to process message index=%d in E2AP-PDU %d", index, - (int)ProcedureCode_id_resourceStatusReporting); - break; - } - break; - - default: - LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode); - break; - } -} - -/* -Simply send back X2SetupResponse -Todo: add more handling options (failure, duplicated request, etc.) -*/ -void e2ap_handle_X2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) -{ - E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_X2SetupResponse.xml"); - - LOG_D("[E2AP] Created X2-SETUP-RESPONSE"); - - e2ap_asn1c_print_pdu(res_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent X2-SETUP-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send X2-SETUP-RESPONSE to peer"); - } -} - -void e2ap_handle_X2SetupResponse(E2AP_PDU_t* pdu, int &socket_fd) -{ - E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusRequest.xml"); - // E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusRequest_bad.xml"); - - LOG_D("[E2AP] Created RESOURCE-STATUS-REQUEST"); - - e2ap_asn1c_print_pdu(req_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(req_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent RESOURCE-STATUS-REQUEST"); - } else { - LOG_E("[SCTP] Unable to send RESOURCE-STATUS-REQUEST to peer"); - } - -} - -/* -Simply send back ENDCX2SetupResponse -Todo: add more handling options (failure, duplicated request, etc.) -*/ -void e2ap_handle_ENDCX2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) -{ - E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_ENDCX2SetupResponse.xml"); - - LOG_D("[E2AP] Created ENDC-X2-SETUP-RESPONSE"); - - e2ap_asn1c_print_pdu(res_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent ENDC-X2-SETUP-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send ENDC-X2-SETUP-RESPONSE to peer"); - } -} - -/* -Simply send back hard-coded RICSubscriptionResponse -Todo: add more handling options (failure, duplicated request, etc.) -*/ -void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd) -{ - E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionResponse.xml"); - - LOG_D("[E2AP] Created RIC-SUBSCRIPTION-RESPONSE"); - - e2ap_asn1c_print_pdu(res_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent RIC-SUBSCRIPTION-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send RIC-SUBSCRIPTION-RESPONSE to peer"); - } -} - -void e2ap_handle_RICSubscriptionRequest_securityDemo(E2AP_PDU_t* pdu, int &socket_fd) -{ - E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionResponse.xml"); - - LOG_D("[E2AP] Created RIC-SUBSCRIPTION-RESPONSE"); - - e2ap_asn1c_print_pdu(res_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent RIC-SUBSCRIPTION-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send RIC-SUBSCRIPTION-RESPONSE to peer"); - } - - //Start sending RIC Indication - int count1 = 0, count2 = 0; - - E2AP_PDU_t* indication_type1 = e2ap_xml_to_pdu("E2AP_RICindication_type1.xml"); - E2AP_PDU_t* indication_type2 = e2ap_xml_to_pdu("E2AP_RICindication_type2.xml"); - - uint8_t *buf1, *buf2; - sctp_buffer_t data1, data2; - data1.len = e2ap_asn1c_encode_pdu(indication_type1, &buf1); - memcpy(data1.buffer, buf1, min(data1.len, MAX_SCTP_BUFFER)); - - data2.len = e2ap_asn1c_encode_pdu(indication_type2, &buf2); - memcpy(data2.buffer, buf2, min(data2.len, MAX_SCTP_BUFFER)); - - while(1){ - sleep(1); - //type1 - if(sctp_send_data(socket_fd, data1) > 0) { - count1++; - LOG_I("[SCTP] Sent RIC-INDICATION SgNBAdditionRequest Type 1, count1 = %d", count1); - } else { - LOG_E("[SCTP] Unable to send RIC-INDICATION to peer"); - } - - sleep(1); - //type2 - if(sctp_send_data(socket_fd, data2) > 0) { - count2++; - LOG_I("[SCTP] Sent RIC-INDICATION SgNBAdditionRequest Type 2, count2 = %d", count2); - } else { - LOG_E("[SCTP] Unable to send RIC-INDICATION to peer"); - } - } //end while - -} - -void e2ap_handle_ResourceStatusRequest(E2AP_PDU_t* pdu, int &socket_fd) -{ - //send back ResourceStatusResponse, followed by resource status update - E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusResponse.xml"); - - LOG_D("[E2AP] Created RESOURCE-STATUS-RESPONSE"); - - e2ap_asn1c_print_pdu(res_pdu); - - uint8_t *buf; - sctp_buffer_t data; - - data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf); - memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER)); - - //send response data over sctp - if(sctp_send_data(socket_fd, data) > 0) { - LOG_I("[SCTP] Sent RESOURCE-STATUS-RESPONSE"); - } else { - LOG_E("[SCTP] Unable to send RESOURCE-STATUS-RESPONSE to peer"); - } - - - //send ResourceStatusUpdate periodically - E2AP_PDU_t* update_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusUpdate.xml"); - - uint8_t *update_buf; - sctp_buffer_t update_data; - - update_data.len = e2ap_asn1c_encode_pdu(update_pdu, &update_buf); - memcpy(update_data.buffer, update_buf, min(update_data.len, MAX_SCTP_BUFFER)); - - while(1) { - // e2ap_asn1c_print_pdu(update_pdu); - - if(sctp_send_data(socket_fd, update_data) > 0) { - LOG_I("[SCTP] Sent RESOURCE-STATUS-UPDATE"); - } else { - LOG_E("[SCTP] Unable to send RESOURCE-STATUS-UPDATE to peer"); - } - - sleep(1); - - } -}