+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