Hi Nagu

Would it be possible to reuse avd_ng_config_get()?

Thanks
Gary

On 4/08/2016 8:58 PM, [email protected] wrote:
>   osaf/services/saf/amf/amfd/nodegroup.cc |  35 
> +++++++++++++++++++++++++++++---
>   1 files changed, 31 insertions(+), 4 deletions(-)
>
>
> There are chances that node group addition may be
> missed at std amfd when added between config read and
> being applier.
> So, next command of adding a node in that node group
> will result in std amfd crash because node group
> doesnt exists at std amfd.
> So, it is better to re-read configuration at
> std amfd when node group is found null during
> node group modification (add/del of nodes).
>
> diff --git a/osaf/services/saf/amf/amfd/nodegroup.cc 
> b/osaf/services/saf/amf/amfd/nodegroup.cc
> --- a/osaf/services/saf/amf/amfd/nodegroup.cc
> +++ b/osaf/services/saf/amf/amfd/nodegroup.cc
> @@ -551,10 +551,37 @@ static void ng_ccb_apply_modify_hdlr(Ccb
>       unsigned j = 0;
>       const SaImmAttrModificationT_2 *mod;
>       AVD_AMF_NG *ng;
> -
> +     SaAisErrorT rc;
> +     const SaImmAttrValuesT_2 **attributes;
> +     SaImmAccessorHandleT accessorHandle;
>       TRACE_ENTER();
>   
>       ng = avd_ng_get(&opdata->objectName);
> +     if (ng == nullptr) {
> +             TRACE("%p", ng);
> +             /* During Standby cold sync, there may be chance that
> +                node group creation was missed in-between config read
> +                and being applier, so re-read config again.
> +                Once it is read, then below ADD/DEL logic may not be
> +                needed because config will be the latest, but just keeping
> +                because they are not causing any harm.*/
> +             immutil_saImmOmAccessorInitialize(avd_cb->immOmHandle, 
> &accessorHandle);
> +             rc = immutil_saImmOmAccessorGet_2(accessorHandle, 
> &opdata->objectName,
> +                             nullptr, (SaImmAttrValuesT_2 ***)&attributes);
> +             if (rc != SA_AIS_OK) {
> +                     LOG_ER("saImmOmAccessorGet_2 FAILED %u for %s", rc, 
> opdata->objectName.value);
> +                     goto done;
> +             }
> +             TRACE("'%s'", opdata->objectName.value);
> +             if ((ng = ng_create(&opdata->objectName, attributes)) == 
> nullptr) {
> +                     LOG_ER("ng_create failed for %s", 
> opdata->objectName.value);
> +                     goto done;
> +             }
> +             nodegroup_db->insert(Amf::to_string(&ng->name), ng);
> +             TRACE("ng '%s' created with number_nodes '%u'", ng->name.value,
> +                             ng->number_nodes());
> +             immutil_saImmOmAccessorFinalize(accessorHandle);
> +     }
>   
>       while ((mod = opdata->param.modify.attrMods[i++]) != nullptr) {
>               switch (mod->modType) {
> @@ -563,7 +590,7 @@ static void ng_ccb_apply_modify_hdlr(Ccb
>                               
> ng->saAmfNGNodeList.insert(Amf::to_string((SaNameT*)mod->modAttr.attrValues[j]));
>                       }
>   
> -                     TRACE("number_nodes %u", ng->number_nodes());
> +                     TRACE("number_nodes after addition %u", 
> ng->number_nodes());
>                       break;
>               }
>               case SA_IMM_ATTR_VALUES_DELETE: {
> @@ -572,14 +599,14 @@ static void ng_ccb_apply_modify_hdlr(Ccb
>                               
> ng->saAmfNGNodeList.erase(Amf::to_string((SaNameT*)mod->modAttr.attrValues[j]));
>                       }
>   
> -                     TRACE("number_nodes %u", ng->number_nodes());
> +                     TRACE("number_nodes left after deletion %u", 
> ng->number_nodes());
>                       break;
>               }
>               default:
>                       osafassert(0);
>               }
>       }
> -
> +done:
>       TRACE_LEAVE();
>   }
>   


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