public static byte[] GetResponse(FDFSRequest request)
{
Connection conn = null;
IPEndPoint address = null;
try
{
try
{
if (request.Connection == null)
{
address = locator.GetTrackerAddress();
conn = GetTrackerConnection(address);
}
else
{
conn = request.Connection;
}
//打开
conn.OpenConnection();
locator.SetActive(address);
}
catch (SocketException ex)
{
locator.SetInActive(address);
throw new FdfsConnectException("connect failed", ex);
}
var stream = conn.GetStream();
var headerBuffer = request.Header.ToByte();
stream.Write(headerBuffer, 0, headerBuffer.Length);
stream.Write(request.Body, 0, request.Body.Length);
var header = new FDFSHeader(stream);
if (header.Status != 0)
{
throw new FDFSException(string.Format("Get Response Error,Error Code:{0}", header.Status));
}
var body = new byte[header.Length];
if (header.Length != 0)
{
stream.Read(body, 0, (int)header.Length);
}
return(body);
}
finally
{
//关闭
//Connection.Close();
if (conn != null)
{
conn.ReleaseConnection();
}
}
}
/// <summary>
/// 上传可以Append的文件
/// </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 UploadAppenderFile(StorageNode storageNode, byte[] contentByte, string fileExt)
{
FDFSRequest storageReqeust = UPLOAD_APPEND_FILE.Instance.GetRequest(storageNode.EndPoint, storageNode.StorePathIndex, contentByte.Length, fileExt, contentByte);
UPLOAD_APPEND_FILE.Response storageResponse = new UPLOAD_APPEND_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);
}
public static IDictionary <string, string> GetMetaData(StorageNode storageNode, string fileName)
{
FDFSRequest storageRequest = GET_METADATA.Instance.GetRequest(storageNode.EndPoint, storageNode.GroupName, fileName);
GET_METADATA.Response storageResponse = new GET_METADATA.Response();
storageRequest.GetResponse(storageResponse);
return(storageResponse.MetaData);
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="groupName">组名</param>
/// <param name="fileName">文件名</param>
public static void RemoveFile(string groupName, string fileName)
{
FDFSRequest trackerRequest = QUERY_UPDATE.Instance.GetRequest(groupName, fileName);
QUERY_UPDATE.Response trackerResponse = new QUERY_UPDATE.Response(trackerRequest.GetResponse());
IPEndPoint storeEndPoint = new IPEndPoint(IPAddress.Parse(trackerResponse.IPStr), trackerResponse.Port);
FDFSRequest storageReqeust = DELETE_FILE.Instance.GetRequest(storeEndPoint, groupName, fileName);
storageReqeust.GetResponse();
}
/// <summary>
/// 附加文件
/// </summary>
/// <param name="groupName">组名</param>
/// <param name="fileName">文件名</param>
/// <param name="contentByte">文件内容</param>
public static void AppendFile(string groupName, string fileName, byte[] contentByte)
{
FDFSRequest trackerRequest = QUERY_UPDATE.Instance.GetRequest(groupName, fileName);
QUERY_UPDATE.Response trackerResponse = new QUERY_UPDATE.Response(trackerRequest.GetResponse());
IPEndPoint storeEndPoint = new IPEndPoint(IPAddress.Parse(trackerResponse.IPStr), trackerResponse.Port);
FDFSRequest storageReqeust = APPEND_FILE.Instance.GetRequest(storeEndPoint, fileName, contentByte);
storageReqeust.GetResponse();
}
public static string UploadFileByName(StorageNode storageNode, string filename)
{
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read))
{
string extension = Path.GetExtension(filename).Substring(1);
FDFSRequest storageRequest = UPLOAD_FILE.Instance.GetRequest(storageNode.EndPoint, storageNode.StorePathIndex, fs.Length, extension, fs);
UPLOAD_FILE.Response storageResponse = new UPLOAD_FILE.Response();
storageRequest.GetResponse(storageResponse);
return(storageResponse.FileName);
}
}
/// <summary>
/// 上传从文件
/// </summary>
/// <param name="groupName"></param>
/// <param name="contentByte">文件内容</param>
/// <param name="masterFilename">主文件名</param>
/// <param name="prefixName">从文件后缀</param>
/// <param name="fileExt">文件扩展名(注意:不包含".")</param>
/// <returns>文件名</returns>
public static string UploadSlaveFile(string groupName, byte[] contentByte, string masterFilename, string prefixName, string fileExt)
{
FDFSRequest trackerRequest = QUERY_UPDATE.Instance.GetRequest(groupName, masterFilename);
QUERY_UPDATE.Response trackerResponse = new QUERY_UPDATE.Response(trackerRequest.GetResponse());
IPEndPoint storeEndPoint = new IPEndPoint(IPAddress.Parse(trackerResponse.IPStr), trackerResponse.Port);
FDFSRequest storageReqeust = UPLOAD_SLAVE_FILE.Instance.GetRequest(storeEndPoint, contentByte.Length, masterFilename, prefixName, fileExt, contentByte);
UPLOAD_FILE.Response storageResponse = new UPLOAD_FILE.Response(storageReqeust.GetResponse());
return(storageResponse.FileName);
}
/// <summary>
/// 获取存储节点
/// </summary>
/// <param name="groupName">组名</param>
/// <returns>存储节点实体类</returns>
public static StorageNode GetStorageNode(string groupName)
{
FDFSRequest trackerRequest = QUERY_STORE_WITH_GROUP_ONE.Instance.GetRequest(groupName);
QUERY_STORE_WITH_GROUP_ONE.Response trackerResponse = new QUERY_STORE_WITH_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);
}
public static StorageNode QueryStorageNodeForFile(string groupName, string fileid)
{
FDFSRequest trackerRequest = QUERY_FETCH_ONE.Instance.GetRequest(groupName, fileid);
QUERY_FETCH_ONE.Response trackerResponse = new QUERY_FETCH_ONE.Response();
trackerRequest.GetResponse(trackerResponse);
IPEndPoint storeEndPoint = new IPEndPoint(IPAddress.Parse(trackerResponse.IPStr), trackerResponse.Port);
StorageNode result = new StorageNode();
result.GroupName = trackerResponse.GroupName;
result.EndPoint = storeEndPoint;
result.StorePathIndex = 0;
return(result);
}
public static string DownloadFileEx(StorageNode storageNode, string filename, string destDir, string destFileName = null)
{
string fullPath = null;
if (destFileName == null)
{
IDictionary <string, string> metaData = GetMetaData(storageNode, filename);
destFileName = metaData["Name"] + Path.GetExtension(filename);
}
fullPath = Path.Combine(destDir, destFileName);
FDFSRequest storageRequest = DOWNLOAD_FILE.Instance.GetRequest(storageNode.EndPoint, 0L, 0L, storageNode.GroupName, filename);
DOWNLOAD_FILE.ResponseEx storageResponse = new DOWNLOAD_FILE.ResponseEx(fullPath);
storageRequest.GetResponse(storageResponse);
return(storageResponse.FullPath);
}
public static StorageNode[] QueryStorageNodesForFile(string groupName, string fileid)
{
FDFSRequest trackerRequest = QUERY_FETCH_ALL.Instance.GetRequest(groupName, fileid);
QUERY_FETCH_ALL.Response trackerResponse = new QUERY_FETCH_ALL.Response();
trackerRequest.GetResponse(trackerResponse);
List <StorageNode> storageNodes = new List <StorageNode>();
foreach (string IPStr in trackerResponse.IPStrs)
{
StorageNode storage = new StorageNode();
storage.GroupName = trackerResponse.GroupName;
storage.EndPoint = new IPEndPoint(IPAddress.Parse(IPStr), trackerResponse.Port);
storage.StorePathIndex = 0;
storageNodes.Add(storage);
}
return(storageNodes.ToArray());
}
public static void SetMetaData(StorageNode storageNode, string fileName, IDictionary <string, string> metadata, MetaDataOption option = MetaDataOption.Overwrite)
{
FDFSRequest storageRequest = SET_METADATA.Instance.GetRequest(storageNode.EndPoint, storageNode.GroupName, fileName, metadata, option);
storageRequest.GetResponse(); // no response body
}
