/// <summary>
/// </summary>
/// <param name="paramList">
/// 1,IPEndPoint IPEndPoint-->the storage IPEndPoint
/// 2,long offset-->file offset
/// 3,long byteSize -->download file bytes
/// 4,string groupName
/// 5,string fileName
/// </param>
/// <returns></returns>
public override FDFSRequest GetRequest(params object[] paramList)
{
if (paramList.Length != 5)
{
throw new FDFSException("param count is wrong");
}
var endPoint = (IPEndPoint)paramList[0];
var offset = (long)paramList[1];
var byteSize = (long)paramList[2];
var groupName = (string)paramList[3];
var fileName = (string)paramList[4];
var result = new DOWNLOAD_FILE {
Connection = ConnectionManager.GetStorageConnection(endPoint)
};
if (groupName.Length > Consts.FDFS_GROUP_NAME_MAX_LEN)
{
throw new FDFSException("groupName is too long");
}
long length = Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_GROUP_NAME_MAX_LEN +
fileName.Length;
var bodyBuffer = new byte[length];
byte[] offsetBuffer = Util.LongToBuffer(offset);
byte[] byteSizeBuffer = Util.LongToBuffer(byteSize);
byte[] groupNameBuffer = Util.StringToByte(groupName);
byte[] fileNameBuffer = Util.StringToByte(fileName);
Array.Copy(offsetBuffer, 0, bodyBuffer, 0, offsetBuffer.Length);
Array.Copy(byteSizeBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE, byteSizeBuffer.Length);
Array.Copy(groupNameBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE, groupNameBuffer.Length);
Array.Copy(fileNameBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE + Consts.FDFS_GROUP_NAME_MAX_LEN,
fileNameBuffer.Length);
result.Body = bodyBuffer;
result.Header = new FDFSHeader(length, Consts.STORAGE_PROTO_CMD_DOWNLOAD_FILE, 0);
return(result);
}
/// <summary>
/// </summary>
/// <param name="paramList">
/// 1,IPEndPoint IPEndPoint-->the storage IPEndPoint
/// 2,long offset-->file offset
/// 3,long byteSize -->download file bytes
/// 4,string groupName
/// 5,string fileName
/// </param>
/// <returns></returns>
public override FDFSRequest GetRequest(params object[] paramList)
{
if (paramList.Length != 5)
throw new FDFSException("param count is wrong");
var endPoint = (IPEndPoint)paramList[0];
var offset = (long)paramList[1];
var byteSize = (long)paramList[2];
var groupName = (string)paramList[3];
var fileName = (string)paramList[4];
var result = new DOWNLOAD_FILE { Connection = ConnectionManager.GetStorageConnection(endPoint) };
if (groupName.Length > Consts.FDFS_GROUP_NAME_MAX_LEN)
throw new FDFSException("groupName is too long");
long length = Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_GROUP_NAME_MAX_LEN +
fileName.Length;
var bodyBuffer = new byte[length];
byte[] offsetBuffer = Util.LongToBuffer(offset);
byte[] byteSizeBuffer = Util.LongToBuffer(byteSize);
byte[] groupNameBuffer = Util.StringToByte(groupName);
byte[] fileNameBuffer = Util.StringToByte(fileName);
Array.Copy(offsetBuffer, 0, bodyBuffer, 0, offsetBuffer.Length);
Array.Copy(byteSizeBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE, byteSizeBuffer.Length);
Array.Copy(groupNameBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE, groupNameBuffer.Length);
Array.Copy(fileNameBuffer, 0, bodyBuffer, Consts.FDFS_PROTO_PKG_LEN_SIZE +
Consts.FDFS_PROTO_PKG_LEN_SIZE + Consts.FDFS_GROUP_NAME_MAX_LEN,
fileNameBuffer.Length);
result.Body = bodyBuffer;
result.Header = new FDFSHeader(length, Consts.STORAGE_PROTO_CMD_DOWNLOAD_FILE, 0);
return result;
}
