--- /dev/null
+/*
+# ==================================================================================
+# Copyright (c) 2020 HCL Technologies Limited.
+#
+# 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 "msgs_proc.hpp"
+
+
+bool XappMsgHandler::encode_subscription_delete_request(unsigned char* buffer, size_t *buf_len){
+
+ subscription_helper sub_helper;
+ sub_helper.set_request(0); // requirement of subscription manager ... ?
+ sub_helper.set_function_id(0);
+
+ subscription_delete e2ap_sub_req_del;
+
+ // generate the delete request pdu
+
+ bool res = e2ap_sub_req_del.encode_e2ap_subscription(&buffer[0], buf_len, sub_helper);
+ if(! res){
+ mdclog_write(MDCLOG_ERR, "%s, %d: Error encoding subscription delete request pdu. Reason = %s", __FILE__, __LINE__, e2ap_sub_req_del.get_error().c_str());
+ return false;
+ }
+
+ return true;
+
+}
+
+bool XappMsgHandler::decode_subscription_response(unsigned char* data_buf, size_t data_size){
+
+ subscription_helper subhelper;
+ subscription_response subresponse;
+ bool res = true;
+ E2AP_PDU_t *e2pdu = 0;
+
+ asn_dec_rval_t rval;
+
+ ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, e2pdu);
+
+ rval = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void**)&e2pdu, data_buf, data_size);
+ switch(rval.code)
+ {
+ case RC_OK:
+ //Put in Subscription Response Object.
+ //asn_fprint(stdout, &asn_DEF_E2AP_PDU, e2pdu);
+ break;
+ case RC_WMORE:
+ mdclog_write(MDCLOG_ERR, "RC_WMORE");
+ res = false;
+ break;
+ case RC_FAIL:
+ mdclog_write(MDCLOG_ERR, "RC_FAIL");
+ res = false;
+ break;
+ default:
+ break;
+ }
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2pdu);
+ return res;
+
+}
+
+/*bool XappMsgHandler::a1_policy_handler(char * message, int *message_len, a1_policy_helper &helper){
+
+ rapidjson::Document doc;
+ if (doc.Parse<kParseStopWhenDoneFlag>(message).HasParseError()){
+ mdclog_write(MDCLOG_ERR, "Error: %s, %d :: Could not decode A1 JSON message %s\n", __FILE__, __LINE__, message);
+ return false;
+ }
+
+ //Extract Operation
+ rapidjson::Pointer temp1("/operation");
+ rapidjson::Value * ref1 = temp1.Get(doc);
+ if (ref1 == NULL){
+ mdclog_write(MDCLOG_ERR, "Error : %s, %d:: Could not extract policy type id from %s\n", __FILE__, __LINE__, message);
+ return false;
+ }
+
+ helper.operation = ref1->GetString();
+
+ // Extract policy id type
+ rapidjson::Pointer temp2("/policy_type_id");
+ rapidjson::Value * ref2 = temp2.Get(doc);
+ if (ref2 == NULL){
+ mdclog_write(MDCLOG_ERR, "Error : %s, %d:: Could not extract policy type id from %s\n", __FILE__, __LINE__, message);
+ return false;
+ }
+ //helper.policy_type_id = ref2->GetString();
+ helper.policy_type_id = to_string(ref2->GetInt());
+
+ // Extract policy instance id
+ rapidjson::Pointer temp("/policy_instance_id");
+ rapidjson::Value * ref = temp.Get(doc);
+ if (ref == NULL){
+ mdclog_write(MDCLOG_ERR, "Error : %s, %d:: Could not extract policy type id from %s\n", __FILE__, __LINE__, message);
+ return false;
+ }
+ helper.policy_instance_id = ref->GetString();
+
+ if (helper.policy_type_id == "1" && helper.operation == "CREATE"){
+ helper.status = "OK";
+ Document::AllocatorType& alloc = doc.GetAllocator();
+
+ Value handler_id;
+ handler_id.SetString(helper.handler_id.c_str(), helper.handler_id.length(), alloc);
+
+ Value status;
+ status.SetString(helper.status.c_str(), helper.status.length(), alloc);
+
+
+ doc.AddMember("handler_id", handler_id, alloc);
+ doc.AddMember("status",status, alloc);
+ doc.RemoveMember("operation");
+ StringBuffer buffer;
+ Writer<StringBuffer> writer(buffer);
+ doc.Accept(writer);
+ strncpy(message,buffer.GetString(), buffer.GetLength());
+ *message_len = buffer.GetLength();
+ return true;
+ }
+ return false;
+}*/
+
+
+//For processing received messages.XappMsgHandler should mention if resend is required or not.
+void XappMsgHandler::operator()(rmr_mbuf_t *message, bool *resend){
+
+ if (message->len > MAX_RMR_RECV_SIZE){
+ mdclog_write(MDCLOG_ERR, "Error : %s, %d, RMR message larger than %d. Ignoring ...", __FILE__, __LINE__, MAX_RMR_RECV_SIZE);
+ return;
+ }
+ //a1_policy_helper helper;
+ bool res=false;
+ switch(message->mtype){
+ //need to fix the health check.
+ case (RIC_HEALTH_CHECK_REQ):
+ message->mtype = RIC_HEALTH_CHECK_RESP; // if we're here we are running and all is ok
+ message->sub_id = -1;
+ strncpy( (char*)message->payload, "Bouncer OK\n", rmr_payload_size( message) );
+ *resend = true;
+ break;
+
+ case (RIC_SUB_RESP):
+ mdclog_write(MDCLOG_INFO, "Received subscription message of type = %d", message->mtype);
+ unsigned char *me_id;
+ if( (me_id = (unsigned char *) malloc( sizeof( unsigned char ) * RMR_MAX_MEID )) == NULL ) {
+ mdclog_write(MDCLOG_ERR, "Error : %s, %d : malloc failed for me_id", __FILE__, __LINE__);
+ me_id = rmr_get_meid(message, NULL);
+ } else {
+ rmr_get_meid(message, me_id);
+ }
+ if(me_id == NULL){
+ mdclog_write(MDCLOG_ERR, " Error :: %s, %d : rmr_get_meid failed me_id is NULL", __FILE__, __LINE__);
+ break;
+ }
+ mdclog_write(MDCLOG_INFO,"RMR Received MEID: %s",me_id);
+ if(_ref_sub_handler !=NULL){
+ _ref_sub_handler->manage_subscription_response(message->mtype, reinterpret_cast< char const* >(me_id));
+ } else {
+ mdclog_write(MDCLOG_ERR, " Error :: %s, %d : Subscription handler not assigned in message processor !", __FILE__, __LINE__);
+ }
+ *resend = false;
+ if (me_id != NULL) {
+ mdclog_write(MDCLOG_INFO, "Free RMR Received MEID memory: %s(0x%x)", me_id, me_id);
+ free(me_id);
+ }
+ break;
+ case (RIC_INDICATION):
+ mdclog_write(MDCLOG_INFO, "Received indication message of type = %d", message->mtype);
+ message->mtype = RIC_CONTROL_REQ; // if we're here we are running and all is ok
+ message->sub_id = -1;
+ strncpy((char*)message->payload, "Bouncer Control OK\n", rmr_payload_size(message));
+ *resend = true;
+ break;
+
+ /*case A1_POLICY_REQ:
+
+ mdclog_write(MDCLOG_INFO, "In Message Handler: Received A1_POLICY_REQ.");
+ helper.handler_id = xapp_id;
+
+ res = a1_policy_handler((char*)message->payload, &message->len, helper);
+ if(res){
+ message->mtype = A1_POLICY_RESP; // if we're here we are running and all is ok
+ message->sub_id = -1;
+ *resend = true;
+ }
+ break;*/
+
+ default:
+ {
+ mdclog_write(MDCLOG_ERR, "Error :: Unknown message type %d received from RMR", message->mtype);
+ *resend = false;
+ }
+ }
+
+ return;
+
+};
+
+