/// <summary>
/// 上传文件
/// </summary>
/// <param name="storageNode">GetStorageNode方法返回的存储节点</param>
/// <param name="contentByte">文件内容</param>
/// <param name="fileExt">文件扩展名(注意:不包含".")</param>
/// <returns>文件名</returns>
public static string UploadFile(StorageNode storageNode, byte[] contentByte, string fileExt)
{
FDFSRequest storageReqeust = UPLOAD_FILE.Instance.GetRequest(storageNode.EndPoint, storageNode.StorePathIndex, contentByte.Length, fileExt, contentByte);
UPLOAD_FILE.Response storageResponse = new UPLOAD_FILE.Response(storageReqeust.GetResponse());
return(storageResponse.FileName);
}
/// <summary>
/// 获取文件信息
/// </summary>
/// <param name="storageNode">GetStorageNode方法返回的存储节点</param>
/// <param name="fileName">文件名</param>
/// <returns></returns>
public static FDFSFileInfo GetFileInfo(StorageNode storageNode, string fileName)
{
FDFSRequest storageReqeust = QUERY_FILE_INFO.Instance.GetRequest(storageNode.EndPoint, storageNode.GroupName, fileName);
FDFSFileInfo result = new FDFSFileInfo(storageReqeust.GetResponse());
return(result);
}
/// <summary>
/// 增量下载文件
/// </summary>
/// <param name="storageNode">GetStorageNode方法返回的存储节点</param>
/// <param name="fileName">文件名</param>
/// <param name="offset">从文件起始点的偏移量</param>
/// <param name="length">要读取的字节数</param>
/// <returns>文件内容</returns>
public static byte[] DownloadFile(StorageNode storageNode, string fileName, long offset, long length)
{
FDFSRequest storageReqeust = DOWNLOAD_FILE.Instance.GetRequest(storageNode.EndPoint, offset, length, storageNode.GroupName, fileName);
DOWNLOAD_FILE.Response storageResponse = new DOWNLOAD_FILE.Response(storageReqeust.GetResponse());
return(storageResponse.Content);
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="groupName">组名</param>
/// <param name="fileName">文件名</param>
/// <returns>文件内容</returns>
public static byte[] DownloadFile(string groupName, string fileName)
{
StorageNode storageNode = GetStorageNode(groupName);
FDFSRequest storageReqeust = DOWNLOAD_FILE.Instance.GetRequest(storageNode.EndPoint, 0L, 0L, storageNode.GroupName, fileName);
DOWNLOAD_FILE.Response storageResponse = new DOWNLOAD_FILE.Response(storageReqeust.GetResponse());
return(storageResponse.Content);
}
/// <summary>
/// 获取一个存储节点（由服务器决定采用哪个Group）
/// </summary>
/// <returns>存储节点实体类</returns>
public static StorageNode GetStorageNode()
{
FDFSRequest trackerRequest = QUERY_STORE_WITHOUT_GROUP_ONE.Instance.GetRequest();
QUERY_STORE_WITHOUT_GROUP_ONE.Response trackerResponse = new QUERY_STORE_WITHOUT_GROUP_ONE.Response(trackerRequest.GetResponse());
IPEndPoint storeEndPoint = new IPEndPoint(IPAddress.Parse(trackerResponse.IPStr), trackerResponse.Port);
StorageNode result = new StorageNode();
result.GroupName = trackerResponse.GroupName;
result.EndPoint = storeEndPoint;
result.StorePathIndex = trackerResponse.StorePathIndex;
return(result);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="groupName">组名</param>
/// <param name="contentByte">文件内容</param>
/// <param name="fileExt">文件扩展名(注意:不包含".")</param>
/// <returns>文件名</returns>
public static string UploadFile(string groupName, byte[] contentByte, string fileExt)
{
StorageNode node = GetStorageNode(groupName);
return(UploadFile(node, contentByte, fileExt));
}