/**
* Initialize pstat resource by loading data from persistent storage.
*
* @retval OC_STACK_OK for Success, otherwise some error value
*/
OCStackResult InitPstatResource()
{
OCStackResult ret = OC_STACK_ERROR;
// Read Pstat resource from PS
char* jsonSVRDatabase = GetSVRDatabase();
if (jsonSVRDatabase)
{
// Convert JSON Pstat into binary format
gPstat = JSONToPstatBin(jsonSVRDatabase, true);
}
/*
* If SVR database in persistent storage got corrupted or
* is not available for some reason, a default pstat is created
* which allows user to initiate pstat provisioning again.
*/
if(!jsonSVRDatabase || !gPstat)
{
gPstat = GetPstatDefault();
}
// Instantiate 'oic.sec.pstat'
ret = CreatePstatResource();
OICFree(jsonSVRDatabase);
return ret;
}
OCStackResult InitPstatResource()
{
OCStackResult ret = OC_STACK_ERROR;
// Read Pstat resource from PS
uint8_t *data = NULL;
size_t size = 0;
OicUuid_t emptyUuid = {.id={0}};
ret = GetSecureVirtualDatabaseFromPS(OIC_JSON_PSTAT_NAME, &data, &size);
// If database read failed
if (OC_STACK_OK != ret)
{
OIC_LOG (DEBUG, TAG, "ReadSVDataFromPS failed");
}
if (data)
{
// Read ACL resource from PS
ret = CBORPayloadToPstat(data, size, &gPstat);
OICFree(data);
}
/*
* If SVR database in persistent storage got corrupted or
* is not available for some reason, a default pstat is created
* which allows user to initiate pstat provisioning again.
*/
if ((OC_STACK_OK != ret) || !gPstat)
{
gPstat = GetPstatDefault();
}
VERIFY_NON_NULL(TAG, gPstat, FATAL);
//In case of Pstat's device id is empty, fill the device id as doxm's device id.
if(0 == memcmp(&gPstat->deviceID, &emptyUuid, sizeof(OicUuid_t)))
{
OicUuid_t doxmUuid = {.id={0}};
if(OC_STACK_OK == GetDoxmDeviceID(&doxmUuid))
{
memcpy(&gPstat->deviceID, &doxmUuid, sizeof(OicUuid_t));
}
}
