/// <summary>
/// Instantiate the stream.
/// </summary>
/// <param name="apiKey">API key.</param>
/// <param name="endpointUrl">Kvpbase node endpoint, i.e. http://hostname:port.</param>
/// <param name="userGuid">The user GUID.</param>
/// <param name="container">The container in which the object is stored.</param>
/// <param name="objectKey">The object key.</param>
public KvpbaseStream(string apiKey, string endpointUrl, string userGuid, string container, string objectKey)
{
if (String.IsNullOrEmpty(apiKey))
{
throw new ArgumentNullException(nameof(apiKey));
}
if (String.IsNullOrEmpty(endpointUrl))
{
throw new ArgumentNullException(nameof(endpointUrl));
}
if (String.IsNullOrEmpty(userGuid))
{
throw new ArgumentNullException(nameof(userGuid));
}
if (String.IsNullOrEmpty(container))
{
throw new ArgumentNullException(nameof(container));
}
if (String.IsNullOrEmpty(objectKey))
{
throw new ArgumentNullException(nameof(objectKey));
}
_Kvpbase = new KvpbaseClient(userGuid, apiKey, endpointUrl);
_ApiKey = apiKey;
_EndpointUrl = endpointUrl;
_UserGuid = userGuid;
_Container = container;
_ObjectKey = objectKey;
if (!_Kvpbase.ObjectExists(_Container, _ObjectKey))
{
if (!_Kvpbase.WriteObject(_Container, _ObjectKey, "application/octet-stream", null))
{
throw new IOException("Unable to create object.");
}
}
if (!GetObjectMetadata())
{
throw new IOException("Unable to read object metadata.");
}
else
{
_Position = 0;
}
}
private async Task <bool> KvpbaseExists(string key)
{
return(await _Kvpbase.ObjectExists(_KvpbaseSettings.Container, key));
}