+++ /dev/null
-/*****************************************************************************\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
-#include <unistd.h>\r
-\r
-void e2ap_handle_sctp_data(int &socket_fd, sctp_buffer_t &data)\r
-{\r
- //decode the data into E2AP-PDU\r
- E2AP_PDU_t* pdu = new E2AP_PDU_t();\r
-\r
- e2ap_asn1c_decode_pdu(pdu, data.buffer, data.len);\r
-\r
- e2ap_asn1c_print_pdu(pdu);\r
-\r
- int procedureCode = e2ap_asn1c_get_procedureCode(pdu);\r
- int 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
- case ProcedureCode_id_x2Setup: //X2Setup = 6\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received X2-SETUP-REQUEST");\r
- e2ap_handle_X2SetupRequest(pdu, socket_fd);\r
- break;\r
-\r
- case E2AP_PDU_PR_successfulOutcome: //successfulOutcome\r
- LOG_I("[E2AP] Received X2-SETUP-RESPONSE");\r
- e2ap_handle_X2SetupResponse(pdu, socket_fd);\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_endcX2Setup: //ENDCX2Setup = 36\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received ENDC-X2-SETUP-REQUEST");\r
- e2ap_handle_ENDCX2SetupRequest(pdu, socket_fd);\r
- break;\r
-\r
- case E2AP_PDU_PR_successfulOutcome: //successfulOutcome\r
- LOG_I("[E2AP] Received ENDC-X2-SETUP-RESPONSE");\r
- //no handler yet\r
- break;\r
-\r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- LOG_I("[E2AP] Received ENDC-X2-SETUP-FAILURE");\r
- //no handler yet\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
- 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");\r
- // e2ap_handle_RICSubscriptionRequest(pdu, socket_fd);\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
- case ProcedureCode_id_resourceStatusReportingInitiation: //9\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received RESOURCE-STATUS-REQUEST");\r
- e2ap_handle_ResourceStatusRequest(pdu, socket_fd);\r
- break;\r
-\r
- case E2AP_PDU_PR_successfulOutcome: //successfulOutcome\r
- LOG_I("[E2AP] Received RESOURCE-STATUS-RESPONSE");\r
- break;\r
-\r
- case E2AP_PDU_PR_unsuccessfulOutcome:\r
- LOG_I("[E2AP] Received RESOURCE-STATUS-FAILURE");\r
- break;\r
-\r
- default:\r
- LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index,\r
- (int)ProcedureCode_id_resourceStatusReportingInitiation);\r
- break;\r
- }\r
- break;\r
-\r
- case ProcedureCode_id_resourceStatusReporting: // 10\r
- switch(index)\r
- {\r
- case E2AP_PDU_PR_initiatingMessage: //initiatingMessage\r
- LOG_I("[E2AP] Received RESOURCE-STATUS-UPDATE");\r
- break;\r
-\r
- default:\r
- LOG_E("[E2AP] Unable to process message index=%d in E2AP-PDU %d", index,\r
- (int)ProcedureCode_id_resourceStatusReporting);\r
- break;\r
- }\r
- break;\r
-\r
- default:\r
- LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode);\r
- break;\r
- }\r
-}\r
-\r
-/*\r
-Simply send back X2SetupResponse\r
-Todo: add more handling options (failure, duplicated request, etc.)\r
-*/\r
-void e2ap_handle_X2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_X2SetupResponse.xml");\r
-\r
- LOG_D("[E2AP] Created X2-SETUP-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent X2-SETUP-RESPONSE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send X2-SETUP-RESPONSE to peer");\r
- }\r
-}\r
-\r
-void e2ap_handle_X2SetupResponse(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusRequest.xml");\r
- // E2AP_PDU_t* req_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusRequest_bad.xml");\r
-\r
- LOG_D("[E2AP] Created RESOURCE-STATUS-REQUEST");\r
-\r
- e2ap_asn1c_print_pdu(req_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(req_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent RESOURCE-STATUS-REQUEST");\r
- } else {\r
- LOG_E("[SCTP] Unable to send RESOURCE-STATUS-REQUEST to peer");\r
- }\r
-\r
-}\r
-\r
-/*\r
-Simply send back ENDCX2SetupResponse\r
-Todo: add more handling options (failure, duplicated request, etc.)\r
-*/\r
-void e2ap_handle_ENDCX2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_ENDCX2SetupResponse.xml");\r
-\r
- LOG_D("[E2AP] Created ENDC-X2-SETUP-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent ENDC-X2-SETUP-RESPONSE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send ENDC-X2-SETUP-RESPONSE to peer");\r
- }\r
-}\r
-\r
-/*\r
-Simply send back hard-coded RICSubscriptionResponse\r
-Todo: add more handling options (failure, duplicated request, etc.)\r
-*/\r
-void e2ap_handle_RICSubscriptionRequest(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionResponse.xml");\r
-\r
- LOG_D("[E2AP] Created RIC-SUBSCRIPTION-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 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
-void e2ap_handle_RICSubscriptionRequest_securityDemo(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_RICsubscriptionResponse.xml");\r
-\r
- LOG_D("[E2AP] Created RIC-SUBSCRIPTION-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 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
- //Start sending RIC Indication\r
- int count1 = 0, count2 = 0;\r
-\r
- E2AP_PDU_t* indication_type1 = e2ap_xml_to_pdu("E2AP_RICindication_type1.xml");\r
- E2AP_PDU_t* indication_type2 = e2ap_xml_to_pdu("E2AP_RICindication_type2.xml");\r
-\r
- uint8_t *buf1, *buf2;\r
- sctp_buffer_t data1, data2;\r
- data1.len = e2ap_asn1c_encode_pdu(indication_type1, &buf1);\r
- memcpy(data1.buffer, buf1, min(data1.len, MAX_SCTP_BUFFER));\r
-\r
- data2.len = e2ap_asn1c_encode_pdu(indication_type2, &buf2);\r
- memcpy(data2.buffer, buf2, min(data2.len, MAX_SCTP_BUFFER));\r
-\r
- while(1){\r
- sleep(1);\r
- //type1\r
- if(sctp_send_data(socket_fd, data1) > 0) {\r
- count1++;\r
- LOG_I("[SCTP] Sent RIC-INDICATION SgNBAdditionRequest Type 1, count1 = %d", count1);\r
- } else {\r
- LOG_E("[SCTP] Unable to send RIC-INDICATION to peer");\r
- }\r
-\r
- sleep(1);\r
- //type2\r
- if(sctp_send_data(socket_fd, data2) > 0) {\r
- count2++;\r
- LOG_I("[SCTP] Sent RIC-INDICATION SgNBAdditionRequest Type 2, count2 = %d", count2);\r
- } else {\r
- LOG_E("[SCTP] Unable to send RIC-INDICATION to peer");\r
- }\r
- } //end while\r
-\r
-}\r
-\r
-void e2ap_handle_ResourceStatusRequest(E2AP_PDU_t* pdu, int &socket_fd)\r
-{\r
- //send back ResourceStatusResponse, followed by resource status update\r
- E2AP_PDU_t* res_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusResponse.xml");\r
-\r
- LOG_D("[E2AP] Created RESOURCE-STATUS-RESPONSE");\r
-\r
- e2ap_asn1c_print_pdu(res_pdu);\r
-\r
- uint8_t *buf;\r
- sctp_buffer_t data;\r
-\r
- data.len = e2ap_asn1c_encode_pdu(res_pdu, &buf);\r
- memcpy(data.buffer, buf, min(data.len, MAX_SCTP_BUFFER));\r
-\r
- //send response data over sctp\r
- if(sctp_send_data(socket_fd, data) > 0) {\r
- LOG_I("[SCTP] Sent RESOURCE-STATUS-RESPONSE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send RESOURCE-STATUS-RESPONSE to peer");\r
- }\r
-\r
-\r
- //send ResourceStatusUpdate periodically\r
- E2AP_PDU_t* update_pdu = e2ap_xml_to_pdu("E2AP_ResourceStatusUpdate.xml");\r
-\r
- uint8_t *update_buf;\r
- sctp_buffer_t update_data;\r
-\r
- update_data.len = e2ap_asn1c_encode_pdu(update_pdu, &update_buf);\r
- memcpy(update_data.buffer, update_buf, min(update_data.len, MAX_SCTP_BUFFER));\r
-\r
- while(1) {\r
- // e2ap_asn1c_print_pdu(update_pdu);\r
-\r
- if(sctp_send_data(socket_fd, update_data) > 0) {\r
- LOG_I("[SCTP] Sent RESOURCE-STATUS-UPDATE");\r
- } else {\r
- LOG_E("[SCTP] Unable to send RESOURCE-STATUS-UPDATE to peer");\r
- }\r
-\r
- sleep(1);\r
-\r
- }\r
-}\r
Code Review / sim / e2-interface.git / blobdiff