C++ (Cpp) GetDBValue Examples

Example #1

File: anonymain.cpp Project: SoyPay/vmsdk

void WriteOperate(const CONTRACT* const pContract)
{
	unsigned long count = GetDBSize();
	if(count <2)
		return ;
	char hash[32] ={0};
	char flag[1] = {0};
	unsigned short valen = 1;
	unsigned short kenlen = 32;
	if(GetDBValue(0,hash,(unsigned char*)&kenlen,kenlen,flag,&valen)== false)
	{
		LogPrint("read db failed",sizeof("read db failed"),STRING);
			return;
	}
	if(!ReadContactAndWrite(hash))
	{
		LogPrint("THE TX NOE IN BLOCK",sizeof("THE TX NOE IN BLOCK"),STRING);
		LogPrint(hash,32,HEX);

	}
	count -=1;
	LogPrint(hash,32,HEX);
	LogPrint(&count,4,HEX);
	while(count--)
	{

		if(GetDBValue(1,hash,(unsigned char*)&kenlen,kenlen,flag,&valen)== false)
		{
			LogPrint("read db failed",sizeof("read db failed"),STRING);
			return;
		}
		LogPrint(hash,32,HEX);

		if(!ReadContactAndWrite(hash))
		{
			LogPrint(hash,32,HEX);
			LogPrint("THE TX NOE IN BLOCK",sizeof("THE TX NOE IN BLOCK"),STRING);
		}
	}

}

Example #2

File: nsDOMStorage.cpp Project: rn10950/RetroZilla

NS_IMETHODIMP nsDOMStorage::RemoveItem(const nsAString& aKey)
{
  if (!CacheStoragePermissions())
    return NS_ERROR_DOM_SECURITY_ERR;

  if (aKey.IsEmpty())
    return NS_OK;

  nsSessionStorageEntry *entry = mItems.GetEntry(aKey);

  if (entry && entry->mItem->IsSecure() && !IsCallerSecure()) {
    return NS_ERROR_DOM_SECURITY_ERR;
  }

  if (UseDB()) {
#ifdef MOZ_STORAGE
    nsresult rv = InitDB();
    NS_ENSURE_SUCCESS(rv, rv);

    nsAutoString value;
    PRBool secureItem;
    nsAutoString owner;
    rv = GetDBValue(aKey, value, &secureItem, owner);
    if (rv == NS_ERROR_DOM_NOT_FOUND_ERR)
      return NS_OK;
    NS_ENSURE_SUCCESS(rv, rv);

    rv = gStorageDB->RemoveKey(mDomain, aKey, owner,
                               aKey.Length() + value.Length());
    NS_ENSURE_SUCCESS(rv, rv);

    mItemsCached = PR_FALSE;

    BroadcastChangeNotification();
#endif
  }
  else if (entry) {
    // clear string as StorageItems may be referencing this item
    entry->mItem->ClearValue();

    BroadcastChangeNotification();
  }

  if (entry) {
    mItems.RawRemoveEntry(entry);
  }

  return NS_OK;
}

Example #3

File: nsDOMStorage.cpp Project: amyvmiwei/firefox

NS_IMETHODIMP
nsDOMStorageItem::GetSecure(PRBool* aSecure)
{
  if (!mStorage->CacheStoragePermissions() || !IsCallerSecure()) {
    return NS_ERROR_DOM_INVALID_ACCESS_ERR;
  }

  if (mStorage->UseDB()) {
    nsAutoString value;
    return mStorage->GetDBValue(mKey, value, aSecure);
  }

  *aSecure = IsSecure();
  return NS_OK;
}

Example #4

File: nsDOMStorage.cpp Project: rn10950/RetroZilla

NS_IMETHODIMP
nsDOMStorage::GetItem(const nsAString& aKey, nsIDOMStorageItem **aItem)
{
  *aItem = nsnull;

  if (!CacheStoragePermissions())
    return NS_ERROR_DOM_SECURITY_ERR;

  if (aKey.IsEmpty())
    return NS_OK;

  nsSessionStorageEntry *entry = mItems.GetEntry(aKey);
 
  if (entry) {
    if (!IsCallerSecure() && entry->mItem->IsSecure()) {
      return NS_OK;
    }
    NS_ADDREF(*aItem = entry->mItem);
  }
  else if (UseDB()) {
    PRBool secure;
    nsAutoString value;
    nsAutoString unused;
    nsresult rv = GetDBValue(aKey, value, &secure, unused);
    // return null if access isn't allowed or the key wasn't found
    if (rv == NS_ERROR_DOM_SECURITY_ERR || rv == NS_ERROR_DOM_NOT_FOUND_ERR)
      return NS_OK;
    NS_ENSURE_SUCCESS(rv, rv);

    nsRefPtr<nsDOMStorageItem> newitem =
      new nsDOMStorageItem(this, aKey, value, secure);
    if (!newitem)
      return NS_ERROR_OUT_OF_MEMORY;

    entry = mItems.PutEntry(aKey);
    NS_ENSURE_TRUE(entry, NS_ERROR_OUT_OF_MEMORY);

    entry->mItem = newitem;
    NS_ADDREF(*aItem = newitem);
  }

  return NS_OK;
}

Example #5

File: nsDOMStorage.cpp Project: amyvmiwei/firefox

nsIDOMStorageItem*
nsDOMStorage::GetNamedItem(const nsAString& aKey, nsresult* aResult)
{
  if (!CacheStoragePermissions()) {
    *aResult = NS_ERROR_DOM_SECURITY_ERR;
    return nsnull;
  }

  *aResult = NS_OK;
  if (aKey.IsEmpty())
    return nsnull;

  nsSessionStorageEntry *entry = mItems.GetEntry(aKey);
  nsIDOMStorageItem* item = nsnull;
  if (entry) {
    if (IsCallerSecure() || !entry->mItem->IsSecure()) {
      item = entry->mItem;
    }
  }
  else if (UseDB()) {
    PRBool secure;
    nsAutoString value;
    nsresult rv = GetDBValue(aKey, value, &secure);
    // return null if access isn't allowed or the key wasn't found
    if (rv == NS_ERROR_DOM_SECURITY_ERR || rv == NS_ERROR_DOM_NOT_FOUND_ERR)
      return nsnull;

    *aResult = rv;
    NS_ENSURE_SUCCESS(rv, nsnull);

    nsRefPtr<nsDOMStorageItem> newitem =
      new nsDOMStorageItem(this, aKey, value, secure);
    if (newitem && (entry = mItems.PutEntry(aKey))) {
      item = entry->mItem = newitem;
    }
    else {
      *aResult = NS_ERROR_OUT_OF_MEMORY;
    }
  }

  return item;
}

Example #6

File: nsDOMStorage.cpp Project: amyvmiwei/firefox

NS_IMETHODIMP
nsDOMStorageItem::GetValue(nsAString& aValue)
{
  if (!mStorage->CacheStoragePermissions())
    return NS_ERROR_DOM_INVALID_ACCESS_ERR;

  if (mStorage->UseDB()) {
    // GetDBValue checks the secure state so no need to do it here
    PRBool secure;
    nsresult rv = mStorage->GetDBValue(mKey, aValue, &secure);
    if (rv == NS_ERROR_DOM_NOT_FOUND_ERR)
      return NS_OK;
    return rv;
  }

  if (IsSecure() && !IsCallerSecure()) {
    return NS_ERROR_DOM_SECURITY_ERR;
  }

  aValue = mValue;
  return NS_OK;
}