-\r
-\r
/*****************************************************************************\r
# *\r
# Copyright 2019 AT&T Intellectual Property *\r
# Copyright 2019 Nokia *\r
+# Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved. *\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
fprintf(stderr, "decoding...\n");\r
\r
asn_transfer_syntax syntax;\r
- \r
+\r
\r
syntax = ATS_ALIGNED_BASIC_PER;\r
- \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
\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
+\r
+ fprintf(stderr, "showing xer of data\n");\r
+\r
xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu);\r
- \r
+\r
int procedureCode = e2ap_asn1c_get_procedureCode(pdu);\r
index = (int)pdu->present;\r
\r
\r
switch(procedureCode)\r
{\r
- \r
+\r
case ProcedureCode_id_E2setup:\r
switch(index)\r
{\r
e2ap_handle_E2SetupRequest(pdu, socket_fd);\r
LOG_I("[E2AP] Received SETUP-REQUEST");\r
break;\r
- \r
+\r
case E2AP_PDU_PR_successfulOutcome:\r
LOG_I("[E2AP] Received SETUP-RESPONSE-SUCCESS");\r
break;\r
- \r
+\r
case E2AP_PDU_PR_unsuccessfulOutcome:\r
LOG_I("[E2AP] Received SETUP-RESPONSE-FAILURE");\r
break;\r
- \r
+\r
default:\r
LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index);\r
break;\r
}\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
+\r
case E2AP_PDU_PR_successfulOutcome:\r
break;\r
- \r
+\r
case E2AP_PDU_PR_unsuccessfulOutcome:\r
break;\r
- \r
+\r
default:\r
LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU", index);\r
break;\r
}\r
break;\r
- \r
+\r
case ProcedureCode_id_RICindication: // 205\r
switch(index)\r
{\r
case E2AP_PDU_PR_successfulOutcome:\r
LOG_I("[E2AP] Received RIC-INDICATION-RESPONSE");\r
break;\r
- \r
+\r
case E2AP_PDU_PR_unsuccessfulOutcome:\r
LOG_I("[E2AP] Received RIC-INDICATION-FAILURE");\r
break;\r
- \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
+\r
+ case ProcedureCode_id_RICserviceQuery:\r
+ switch (index)\r
+ {\r
+ case E2AP_PDU_PR_initiatingMessage:\r
+ LOG_I("[E2AP] Received RIC-Service-Query")\r
+ e2ap_handle_E2SeviceUpdate(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_RICserviceQuery);\r
+ break;\r
+ }\r
+ break;\r
+\r
+ case ProcedureCode_id_RICserviceUpdate:\r
+ switch (index)\r
+ {\r
+ case E2AP_PDU_PR_successfulOutcome:\r
+ LOG_I("[E2AP] Received RIC-SERVICE-UPDATE-SUCCESS")\r
+ break;\r
+\r
+ case E2AP_PDU_PR_unsuccessfulOutcome:\r
+ LOG_I("[E2AP] Received RIC-SERVICE-UPDATE-FAILURE")\r
+ break;\r
+\r
+ default:\r
+ LOG_E("[E2AP] Invalid message index=%d in E2AP-PDU %d", index,\r
+ (int)ProcedureCode_id_RICserviceUpdate);\r
+ break;\r
+ }\r
+ break;\r
+\r
default:\r
- \r
+\r
LOG_E("[E2AP] No available handler for procedureCode=%d", procedureCode);\r
\r
break;\r
}\r
}\r
\r
+void e2ap_handle_E2SeviceUpdate(E2AP_PDU_t* pdu, int &socket_fd) {\r
+\r
+auto buffer_size = MAX_SCTP_BUFFER;\r
+ unsigned char buffer[MAX_SCTP_BUFFER];\r
+ E2AP_PDU_t* pdu = (E2AP_PDU_t*)calloc(1,sizeof(E2AP_PDU));\r
+ generate_e2apv1_service_update(pdu);\r
+\r
+ printf("After generating e2setup req\n");\r
+\r
+ xer_fprint(stderr, &asn_DEF_E2AP_PDU, pdu);\r
+\r
+ printf("After XER Encoding\n");\r
+\r
+ sctp_buffer_t data;\r
+\r
+ char *error_buf = (char*)calloc(300, sizeof(char));\r
+ size_t errlen;\r
+\r
+ asn_check_constraints(&asn_DEF_E2AP_PDU, pdu, error_buf, &errlen);\r
+ printf("error length %d\n", errlen);\r
+ printf("error buf %s\n", error_buf);\r
+\r
+ auto er = asn_encode_to_buffer(nullptr, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, pdu, buffer, buffer_size);\r
+ //auto er = asn_encode_to_buffer(nullptr, ATS_BASIC_XER, &asn_DEF_E2AP_PDU, pdu_setup, buffer, buffer_size);\r
+ data.len = er.encoded;\r
+ fprintf(stderr, "er encoded is %d\n", er.encoded);\r
+\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-SERVICE-UPDATE");\r
+ } else {\r
+ LOG_E("[SCTP] Unable to send E2-SERVICE-UPDATE to peer");\r
+ }\r
+}\r
+\r
void e2ap_handle_E2SetupRequest(E2AP_PDU_t* pdu, int &socket_fd) {\r
\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
+\r
LOG_D("[E2AP] Created E2-SETUP-RESPONSE");\r
\r
e2ap_asn1c_print_pdu(res_pdu);\r
\r
auto buffer_size = MAX_SCTP_BUFFER;\r
unsigned char buffer[MAX_SCTP_BUFFER];\r
- \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
+ 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
\r
auto buffer_size2 = MAX_SCTP_BUFFER;\r
unsigned char buffer2[MAX_SCTP_BUFFER];\r
- \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
+\r
data2.len = er2.encoded;\r
memcpy(data2.buffer, buffer2, er2.encoded);\r
- \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
auto buffer_size2 = MAX_SCTP_BUFFER;\r
unsigned char buffer2[MAX_SCTP_BUFFER];\r
- \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
} else {\r
LOG_E("[SCTP] Unable to send RIC-SUBSCRIPTION-RESPONSE to peer");\r
}\r
- \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
auto buffer_size = MAX_SCTP_BUFFER;\r
unsigned char buffer[MAX_SCTP_BUFFER];\r
- \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
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
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