/*
==================================================================================
- Copyright (c) 2018-2019 AT&T Intellectual Property.
+ Copyright (c) 2019-2020 AT&T Intellectual Property.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
#include "msgs_proc.hpp"
-//sending messages are encoded.
-bool XappMsgHandler::encode_subscription_request(unsigned char* buffer, size_t *buf_len)
-{
- int request_id = 2; // will be over-written by subscription handler
- int req_seq = 1;
- int function_id = 0;
- int action_id = 1;
- int action_type = 0;
- int subsequent_action = 0; // continue
- int time_to_wait = 4; // 10ms
-
- int message_type = 1;
- int procedure_code = 27;
- std::string egnb_id = "Testgnb";
- std::string plmn_id = "Testplmn";
-
- unsigned char event_buf[128];
- size_t event_buf_len = 128;
- bool res;
-
-
- e2sm_event_trigger_helper trigger_data;
- e2sm_event_trigger event_trigger;
-
- trigger_data.egNB_id = egnb_id;
- trigger_data.plmn_id = plmn_id;
- trigger_data.egNB_id_type = 2;
- trigger_data.interface_direction = 1;
- trigger_data.procedure_code = procedure_code;
- trigger_data.message_type = message_type;
- //======================================================
-
- // Encode the event trigger definition
- res = event_trigger.encode_event_trigger(&event_buf[0], &event_buf_len, trigger_data);
- if (!res){
- mdclog_write(MDCLOG_ERR, "Error : %s, %d: Could not encode subscription Request. Reason = %s\n", __FILE__, __LINE__, event_trigger.get_error().c_str());
- return false;
- }
- mdclog_write(MDCLOG_INFO, "Encoded event trigger definition into PDU of size %lu bytes\n", event_buf_len);
-
-
- // create the subscription
- subscription_helper subscr_req;
- subscription_request e2ap_sub_req;
- subscr_req.clear();
- subscr_req.set_request(request_id, req_seq);
- subscr_req.set_function_id(function_id);
- subscr_req.add_action(action_id, action_type, "", subsequent_action, time_to_wait);
-
- subscr_req.set_event_def(&event_buf[0], event_buf_len);
- // generate the request pdu
- res = e2ap_sub_req.encode_e2ap_subscription(&buffer[0], buf_len, subscr_req);
- if(! res){
- mdclog_write(MDCLOG_ERR, "%s, %d: Error encoding subscription pdu. Reason = ", __FILE__, __LINE__);
- return false;
- }
- return true;
-}
bool XappMsgHandler::encode_subscription_delete_request(unsigned char* buffer, size_t *buf_len){
subscription_helper sub_helper;
- sub_helper.set_request(0, 0); // requirement of subscription manager ... ?
+ sub_helper.set_request(0); // requirement of subscription manager ... ?
sub_helper.set_function_id(0);
subscription_delete e2ap_sub_req_del;
bool XappMsgHandler::decode_subscription_response(unsigned char* data_buf, size_t data_size){
+ subscription_helper subhelper;
+ subscription_response subresponse;
bool res = true;
- E2N_E2AP_PDU_t *e2pdu = 0;
-
- asn_dec_rval_t rval;
-
- ASN_STRUCT_RESET(asn_DEF_E2N_E2AP_PDU, e2pdu);
-
- rval = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2N_E2AP_PDU, (void**)&e2pdu, data_buf, data_size);
- switch(rval.code)
- {
- case RC_OK:
- //Put in Subscription Response Object.
- asn_fprint(stdout, &asn_DEF_E2N_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_E2N_E2AP_PDU, e2pdu);
- return res;
-
-}
-bool XappMsgHandler::decode_subscription_delete_response(unsigned char* data_buf, size_t data_size){
-
- bool res = true;
- E2N_E2AP_PDU_t *e2pdu = 0;
+ E2AP_PDU_t *e2pdu = 0;
asn_dec_rval_t rval;
- ASN_STRUCT_RESET(asn_DEF_E2N_E2AP_PDU, e2pdu);
+ ASN_STRUCT_RESET(asn_DEF_E2AP_PDU, e2pdu);
- rval = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2N_E2AP_PDU, (void**)&e2pdu, data_buf, data_size);
+ 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 Delete Response Object.
- asn_fprint(stdout, &asn_DEF_E2N_E2AP_PDU, e2pdu);
+ //Put in Subscription Response Object.
+ //asn_fprint(stdout, &asn_DEF_E2AP_PDU, e2pdu);
break;
case RC_WMORE:
mdclog_write(MDCLOG_ERR, "RC_WMORE");
default:
break;
}
- ASN_STRUCT_FREE(asn_DEF_E2N_E2AP_PDU, e2pdu);
+ ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, e2pdu);
return res;
}
-bool XappMsgHandler::decode_subscription_response_failure(unsigned char* data_buf, size_t data_size){
-
- bool res = true;
- E2N_E2AP_PDU_t *e2pdu = 0;
- asn_dec_rval_t rval;
+bool XappMsgHandler::a1_policy_handler(char * message, int *message_len, a1_policy_helper &helper){
- ASN_STRUCT_RESET(asn_DEF_E2N_E2AP_PDU, e2pdu);
+ rapidjson::Document doc;
+ if (doc.Parse(message).HasParseError()){
+ mdclog_write(MDCLOG_ERR, "Error: %s, %d :: Could not decode A1 JSON message %s\n", __FILE__, __LINE__, message);
+ return false;
+ }
- rval = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2N_E2AP_PDU, (void**)&e2pdu, data_buf, data_size);
- switch(rval.code)
- {
- case RC_OK:
- //Extract Subscription Response Failure.
- asn_fprint(stdout, &asn_DEF_E2N_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:
+ //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, "HELLOWORLD OK\n", rmr_payload_size( message) );
+ *resend = true;
break;
- }
- ASN_STRUCT_FREE(asn_DEF_E2N_E2AP_PDU, e2pdu);
- return res;
-
-}
-bool XappMsgHandler::decode_subscription_delete_response_failure(unsigned char* data_buf, size_t data_size){
-
- bool res = true;
- E2N_E2AP_PDU_t *e2pdu = 0;
-
- asn_dec_rval_t rval;
-
- ASN_STRUCT_RESET(asn_DEF_E2N_E2AP_PDU, e2pdu);
-
- rval = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2N_E2AP_PDU, (void**)&e2pdu, data_buf, data_size);
- switch(rval.code)
- {
- case RC_OK:
- //Extract Subscription Delete Response Failure.
- asn_fprint(stdout, &asn_DEF_E2N_E2AP_PDU, e2pdu);
+ case (RIC_SUB_RESP):
+ mdclog_write(MDCLOG_INFO, "Received subscription message of type = %d", message->mtype);
+ unsigned char *me_id;
+ rmr_get_meid(message, me_id);
+ mdclog_write(MDCLOG_INFO,"RMR Received MEID: %s",me_id);
+
+ if(_ref_sub_handler !=NULL){
+ _ref_sub_handler->manage_subscription_response(message->mtype, me_id);
+ } else {
+ mdclog_write(MDCLOG_ERR, " Error :: %s, %d : Subscription handler not assigned in message processor !", __FILE__, __LINE__);
+ }
+ *resend = false;
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_E2N_E2AP_PDU, e2pdu);
- return res;
-}
+ case A1_POLICY_REQ:
-//For processing received messages.
-rmr_mbuf_t * XappMsgHandler::operator()(rmr_mbuf_t *message){
+ mdclog_write(MDCLOG_INFO, "In Message Handler: Received A1_POLICY_REQ.");
+ helper.handler_id = xapp_id;
- 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 message;
- }
-
- 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;
- break;
-
- case (RIC_SUB_RESP):
- //Received Subscription Response Message
- decode_subscription_response(message->payload,message->len);
- message = NULL;
- break;
-
- case (RIC_SUB_DEL_RESP):
- decode_subscription_delete_response(message->payload,message->len);
- message = NULL;
- break;
-
- case (RIC_SUB_FAILURE):
- decode_subscription_response_failure(message->payload, message->len);
- message = NULL;
- break;
+ 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;
- case (RIC_SUB_DEL_FAILURE):
- decode_subscription_delete_response_failure(message->payload,message->len);
- message = NULL;
- break;
- // case A1_POLICY_REQ:
- // break;
-
-
- default:
- mdclog_write(MDCLOG_ERR, "Error :: Unknown message type %d received from RMR", message->mtype);
-
- }
+ default:
+ {
+ mdclog_write(MDCLOG_ERR, "Error :: Unknown message type %d received from RMR", message->mtype);
+ *resend = false;
+ }
+ }
- return message;
+ return;
};
Code Review / ric-app / hw.git / blobdiff