+++ /dev/null
-\r
-\r
-/*****************************************************************************\r
-# *\r
-# Copyright 2019 AT&T Intellectual Property *\r
-# Copyright 2019 Nokia *\r
-# *\r
-# Licensed under the Apache License, Version 2.0 (the "License"); *\r
-# you may not use this file except in compliance with the License. *\r
-# You may obtain a copy of the License at *\r
-# *\r
-# http://www.apache.org/licenses/LICENSE-2.0 *\r
-# *\r
-# Unless required by applicable law or agreed to in writing, software *\r
-# distributed under the License is distributed on an "AS IS" BASIS, *\r
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *\r
-# See the License for the specific language governing permissions and *\r
-# limitations under the License. *\r
-# *\r
-******************************************************************************/\r
-#include "e2ap_message_handler.hpp"\r
-\r
-//#include <iostream>\r
-//#include <vector>\r
-#include "encode_e2apv1.hpp"\r
-#include "kpm_callbacks.hpp"\r
-\r
-#include <unistd.h>\r
-\r
-void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data, bool xmlenc)\r
-{\r
- fprintf(stderr, "in e2ap_handle_sctp_data()\n");\r
- //decode the data into E2AP-PDU\r
- E2AP_PDU_t* pdu = (E2AP_PDU_t*)calloc(1, sizeof(E2AP_PDU));\r
- ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, pdu);\r
-\r
- fprintf(stderr, "decoding...\n");\r
-\r
- asn_transfer_syntax syntax;\r
- \r
-\r
- syntax = ATS_ALIGNED_BASIC_PER;\r
- \r
-\r
- fprintf(stderr, "full buffer\n%s\n", data.buffer);\r
- // e2ap_asn1c_decode_pdu(pdu, data.buffer, data.len);\r
-\r
- auto rval = asn_decode(nullptr, syntax, &asn_DEF_E2AP_PDU, (void **) &pdu,\r
- data.buffer, data.len);\r
- \r
-\r
- int index = (int)pdu->present;\r
- fprintf(stderr, "length of data %d\n", rval.consumed);\r
- fprintf(stderr, "result %d\n", rval.code);\r
- fprintf(stderr, "index is %d\n", index);\r
- \r
- fprintf(stderr, "showing xer of data\n"); \r
- \r
- xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu);\r
- \r
- int procedureCode = e2ap_asn1c_get_procedureCode(pdu);\r
- index = (int)pdu->present;\r
-\r
- LOG_D("[E2AP] Unpacked E2AP-PDU: index = %d, procedureCode = %d\n",\r
- index, procedureCode);\r
-\r
- switch(procedureCode)\r
- {\r
- \r
- case ProcedureCode_id_E2setup:\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage:\r
- e2ap_handle_E2SetupRequest(pdu, socket_fd);\r
- LOG_I("[E2AP] Received SETUP-REQUEST");\r
- break;\r
- \r
- case E2AP_PDU_PR_successfulOutcome:\r
- LOG_I("[E2AP] Received SETUP-RESPONSE-SUCCESS");\r
- break;\r
- \r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- LOG_I("[E2AP] Received SETUP-RESPONSE-FAILURE");\r
- break;\r
- \r
- default:\r
- LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index);\r
- break;\r
- }\r
- break; \r
- \r
- case ProcedureCode_id_Reset: //reset = 7\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage:\r
- LOG_I("[E2AP] Received RESET-REQUEST");\r
- break;\r
- \r
- case E2AP_PDU_PR_successfulOutcome:\r
- break;\r
- \r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- break;\r
- \r
- default:\r
- LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index);\r
- break;\r
- }\r
- break;\r
- \r
- case ProcedureCode_id_RICsubscription: //RIC SUBSCRIPTION = 201\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received RIC-SUBSCRIPTION-REQUEST");\r
- // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd);\r
- callback_kpm_subscription_request(pdu, socket_fd);\r
- // e2ap_handle_RICSubscriptionRequest_securityDemo(pdu, socket_fd);\r
- break;\r
- \r
- case E2AP_PDU_PR_successfulOutcome:\r
- LOG_I("[E2AP] Received RIC-SUBSCRIPTION-RESPONSE");\r
- break;\r
- \r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- LOG_I("[E2AP] Received RIC-SUBSCRIPTION-FAILURE");\r
- break;\r
- \r
- default:\r
- LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index);\r
- break;\r
- }\r
- break;\r
-\r
- case ProcedureCode_id_RICindication: // 205\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received RIC-INDICATION-REQUEST");\r
- // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd);\r
- break;\r
- case E2AP_PDU_PR_successfulOutcome:\r
- LOG_I("[E2AP] Received RIC-INDICATION-RESPONSE");\r
- break;\r
- \r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- LOG_I("[E2AP] Received RIC-INDICATION-FAILURE");\r
- break;\r
- \r
- default:\r
- LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index,\r
- (int)ProcedureCode_id_RICindication);\r
- break;\r
- }\r
- break;\r
- \r
- default:\r
- \r
- LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode);\r
-\r
- break;\r
- }\r
-}\r
-\r
-void e2ap_handle_E2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) {\r
-\r
- \r
- E2AP_PDU_t* res_pdu = (E2AP_PDU_t*)calloc(1, sizeof(E2AP_PDU));\r
- generate_e2apv1_setup_response(res_pdu);\r
-\r
- \r
- LOG_D("[E2AP] Created E2-SETUP-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
-\r
- auto buffer_size = MAX_SCTP_BUFFER;\r
- unsigned char buffer[MAX_SCTP_BUFFER];\r
- \r
- sctp_buffer_t data;\r
- auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, res_pdu, buffer, buffer_size);\r
-\r
- data.len = er.encoded;\r
- fprintf(stderr, "er encoded is %d\n", er.encoded); \r
- \r
- //data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buffer, er.encoded);\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent E2-SETUP-RESPONSE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send E2-SETUP-RESPONSE to peer");\r
- }\r
-\r
- sleep(5);\r
-\r
- //Sending Subscription Request\r
-\r
- E2AP_PDU_t* pdu_sub = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU));\r
-\r
- generate_e2apv1_subscription_request(pdu_sub);\r
-\r
- xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_sub);\r
-\r
- auto buffer_size2 = MAX_SCTP_BUFFER;\r
- unsigned char buffer2[MAX_SCTP_BUFFER];\r
- \r
- sctp_buffer_t data2;\r
-\r
- auto er2 = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_sub, buffer2, buffer_size2);\r
- \r
- data2.len = er2.encoded;\r
- memcpy(data2.buffer, buffer2, er2.encoded);\r
- \r
- fprintf(stderr, "er encded is %d\n", er2.encoded);\r
-\r
- if(sctp_send_data(socket_fd, data2) > 0) {\r
- LOG_I("[SCTP] Sent E2-SUBSCRIPTION-REQUEST");\r
- } else {\r
- LOG_E("[SCTP] Unable to send E2-SUBSCRIPTION-REQUEST to peer");\r
- } \r
-\r
-\r
-}\r
-\r
-\r
-void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
-\r
- //Send back Subscription Success Response\r
-\r
- E2AP_PDU_t* pdu_resp = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU));\r
-\r
- generate_e2apv1_subscription_response(pdu_resp, pdu);\r
-\r
- fprintf(stderr, "Subscription Response\n");\r
-\r
- xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_resp);\r
-\r
- auto buffer_size2 = MAX_SCTP_BUFFER;\r
- unsigned char buffer2[MAX_SCTP_BUFFER];\r
- \r
- sctp_buffer_t data2;\r
-\r
- auto er2 = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_resp, buffer2, buffer_size2);\r
- data2.len = er2.encoded;\r
-\r
- fprintf(stderr, "er encded is %d\n", er2.encoded);\r
-\r
- memcpy(data2.buffer, buffer2, er2.encoded);\r
-\r
- if(sctp_send_data(socket_fd, data2) > 0) {\r
- LOG_I("[SCTP] Sent RIC-SUBSCRIPTION-RESPONSE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send RIC-SUBSCRIPTION-RESPONSE to peer");\r
- }\r
- \r
- \r
- //Send back an Indication\r
-\r
- E2AP_PDU_t* pdu_ind = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU));\r
-\r
- generate_e2apv1_indication_request(pdu_ind);\r
-\r
- xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu_ind);\r
-\r
- auto buffer_size = MAX_SCTP_BUFFER;\r
- unsigned char buffer[MAX_SCTP_BUFFER];\r
- \r
- sctp_buffer_t data;\r
-\r
- auto er = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu_ind, buffer, buffer_size);\r
- data.len = er.encoded;\r
-\r
- fprintf(stderr, "er encded is %d\n", er.encoded);\r
-\r
- memcpy(data.buffer, buffer, er.encoded);\r
-\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent RIC-INDICATION-REQUEST");\r
- } else {\r
- LOG_E("[SCTP] Unable to send RIC-INDICATION-REQUEST to peer");\r
- } \r
-\r
-}\r
-\r
-\r
-\r
-\r
Code Review / sim / e2-interface.git / blobdiff