X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=Bouncer%2Fsrc%2Fxapp-asn%2Fe2sm%2Fe2sm_subscription.cc;fp=Bouncer%2Fsrc%2Fxapp-asn%2Fe2sm%2Fe2sm_subscription.cc;h=e860e314b9c132924669b1bf68817a73dbd59d78;hb=ff20129c8f517cca6e0b4de6544ff64aebe7c171;hp=0000000000000000000000000000000000000000;hpb=35882dccfbc1b35af0e5704e14e0ecb9eba0f52a;p=ric-app%2Fbouncer.git diff --git a/Bouncer/src/xapp-asn/e2sm/e2sm_subscription.cc b/Bouncer/src/xapp-asn/e2sm/e2sm_subscription.cc new file mode 100644 index 0000000..e860e31 --- /dev/null +++ b/Bouncer/src/xapp-asn/e2sm/e2sm_subscription.cc @@ -0,0 +1,179 @@ +/* +# ================================================================================== +# 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. +# ================================================================================== +*/ + +/* Classes to handle E2 service model based on e2sm-Bouncer-v001.asn */ + +#include "e2sm_subscription.hpp" + + //initialize + e2sm_subscription::e2sm_subscription(void){ + + memset(&event_fmt1, 0, sizeof(E2SM_Bouncer_EventTriggerDefinition_Format1_t)); + + memset(&actn_fmt1, 0, sizeof(E2SM_Bouncer_ActionDefinition_Format1_t)); + + + ran_param = 0; + ran_param = (RANparameter_Item_t*)calloc(1, sizeof(RANparameter_Item_t)); + assert(ran_param != 0); + + event_trigger = 0; + event_trigger = ( E2SM_Bouncer_EventTriggerDefinition_t *)calloc(1, sizeof( E2SM_Bouncer_EventTriggerDefinition_t)); + assert(event_trigger != 0); + + action_defn = 0; + action_defn = (E2SM_Bouncer_ActionDefinition_t*)calloc(1, sizeof(E2SM_Bouncer_ActionDefinition_t)); + assert(action_defn !=0); + + errbuf_len = 128; + }; + + e2sm_subscription::~e2sm_subscription(void){ + + mdclog_write(MDCLOG_DEBUG, "Freeing event trigger object memory"); + + event_trigger->choice.eventDefinition_Format1 = 0; + + action_defn->choice.actionDefinition_Format1 = 0; + + free(ran_param); + + ASN_STRUCT_FREE(asn_DEF_E2SM_Bouncer_EventTriggerDefinition, event_trigger); + ASN_STRUCT_FREE(asn_DEF_E2SM_Bouncer_ActionDefinition, action_defn); + + +}; + +bool e2sm_subscription::encode_event_trigger(unsigned char *buf, size_t *size, e2sm_subscription_helper &helper){ + + ASN_STRUCT_RESET(asn_DEF_E2SM_Bouncer_EventTriggerDefinition, event_trigger); + + bool res; + res = set_fields(event_trigger, helper); + if (!res){ + + return false; + } + + int ret_constr = asn_check_constraints(&asn_DEF_E2SM_Bouncer_EventTriggerDefinition, event_trigger, errbuf, &errbuf_len); + if(ret_constr){ + error_string.assign(&errbuf[0], errbuf_len); + return false; + } + + xer_fprint(stdout, &asn_DEF_E2SM_Bouncer_EventTriggerDefinition, event_trigger); + + asn_enc_rval_t retval = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2SM_Bouncer_EventTriggerDefinition, event_trigger, buf, *size); + + if(retval.encoded == -1){ + error_string.assign(strerror(errno)); + return false; + } + else if (retval.encoded > *size){ + std::stringstream ss; + ss <<"Error encoding event trigger definition. Reason = encoded pdu size " << retval.encoded << " exceeds buffer size " << *size << std::endl; + error_string = ss.str(); + return false; + } + else{ + *size = retval.encoded; + } + + return true; +} + +bool e2sm_subscription::encode_action_defn(unsigned char *buf, size_t *size, e2sm_subscription_helper &helper){ + + bool res; + res = set_fields(action_defn, helper); + if (!res){ + return false; + } + + + int ret_constr = asn_check_constraints(&asn_DEF_E2SM_Bouncer_ActionDefinition, action_defn, errbuf, &errbuf_len); + if(ret_constr){ + error_string.assign(&errbuf[0], errbuf_len); + return false; + } + + xer_fprint(stdout, &asn_DEF_E2SM_Bouncer_ActionDefinition, action_defn); + + asn_enc_rval_t retval = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2SM_Bouncer_ActionDefinition, action_defn, buf, *size); + + if(retval.encoded == -1){ + error_string.assign(strerror(errno)); + return false; + } + else if (retval.encoded > *size){ + std::stringstream ss; + ss <<"Error encoding action definition. Reason = encoded pdu size " << retval.encoded << " exceeds buffer size " << *size << std::endl; + error_string = ss.str(); + return false; + } + else{ + *size = retval.encoded; + } + + return true; +} + +bool e2sm_subscription::set_fields(E2SM_Bouncer_EventTriggerDefinition_t * ref_event_trigger, e2sm_subscription_helper & helper){ + + if(ref_event_trigger == 0){ + error_string = "Invalid reference for Event Trigger Definition set fields"; + return false; + } + + ref_event_trigger->present = E2SM_Bouncer_EventTriggerDefinition_PR_eventDefinition_Format1; + + event_fmt1.triggerNature = helper.triger_nature; + + ref_event_trigger->choice.eventDefinition_Format1 = &event_fmt1; + + return true; +}; + +bool e2sm_subscription::set_fields(E2SM_Bouncer_ActionDefinition_t * ref_action_defn, e2sm_subscription_helper & helper){ + + if(ref_action_defn == 0){ + error_string = "Invalid reference for Event Action Definition set fields"; + return false; + } + ref_action_defn->present = E2SM_Bouncer_ActionDefinition_PR_actionDefinition_Format1; + + + ranparam_helper_t paramlst = helper.get_paramlist(); + + for(RANParam_Helper item:paramlst){ + ran_param->ranParameter_ID = item.getran_helper()._param_id; + ran_param->ranParameter_Name.buf = item.getran_helper()._param_name; + ran_param->ranParameter_Name.size = item.getran_helper()._param_name_len; + ran_param->ranParameter_Test = item.getran_helper()._param_test; + ran_param->ranParameter_Value.buf = item.getran_helper()._param_value; + ran_param->ranParameter_Value.size = item.getran_helper()._param_value_len; + ASN_SEQUENCE_ADD(&(actn_fmt1.ranParameter_List->list.array), ran_param); + } + + + ref_action_defn->choice.actionDefinition_Format1 = &actn_fmt1; + + + return true; +}; +