private void InitializeClients()
{
switch (_StorageType)
{
case StorageType.AwsS3:
_S3Region = _AwsSettings.GetAwsRegionEndpoint();
_S3Credentials = new Amazon.Runtime.BasicAWSCredentials(_AwsSettings.AccessKey, _AwsSettings.SecretKey);
if (String.IsNullOrEmpty(_AwsSettings.Endpoint))
{
_S3Config = new AmazonS3Config
{
RegionEndpoint = _S3Region,
UseHttp = !_AwsSettings.Ssl,
};
// _S3Client = new AmazonS3Client(_S3Credentials, _S3Region);
_S3Client = new AmazonS3Client(_S3Credentials, _S3Config);
}
else
{
_S3Config = new AmazonS3Config
{
RegionEndpoint = _S3Region,
ServiceURL = _AwsSettings.Endpoint,
ForcePathStyle = true,
UseHttp = !_AwsSettings.Ssl
};
_S3Client = new AmazonS3Client(_S3Credentials, _S3Config);
}
break;
case StorageType.Azure:
_AzureCredentials = new StorageCredentials(_AzureSettings.AccountName, _AzureSettings.AccessKey);
_AzureAccount = new CloudStorageAccount(_AzureCredentials, true);
_AzureBlobClient = new CloudBlobClient(new Uri(_AzureSettings.Endpoint), _AzureCredentials);
_AzureContainer = _AzureBlobClient.GetContainerReference(_AzureSettings.Container);
break;
case StorageType.Disk:
if (!Directory.Exists(_DiskSettings.Directory))
{
Directory.CreateDirectory(_DiskSettings.Directory);
}
break;
case StorageType.Kvpbase:
_Kvpbase = new KvpbaseClient(_KvpbaseSettings.UserGuid, _KvpbaseSettings.ApiKey, _KvpbaseSettings.Endpoint);
break;
default:
throw new ArgumentException("Unknown storage type: " + _StorageType.ToString());
}
}
/// <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;
}
}
