#ifndef __XRDCKSXATTR_HH__ #define __XRDCKSXATTR_HH__ /******************************************************************************/ /* */ /* X r d C k s X A t t r . h h */ /* */ /* (c) 2011 by the Board of Trustees of the Leland Stanford, Jr., University */ /* All Rights Reserved */ /* Produced by Andrew Hanushevsky for Stanford University under contract */ /* DE-AC02-76-SFO0515 with the Department of Energy */ /* */ /* This file is part of the XRootD software suite. */ /* */ /* XRootD is free software: you can redistribute it and/or modify it under */ /* the terms of the GNU Lesser General Public License as published by the */ /* Free Software Foundation, either version 3 of the License, or (at your */ /* option) any later version. */ /* */ /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ /* License for more details. */ /* */ /* You should have received a copy of the GNU Lesser General Public License */ /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ /* COPYING (GPL license). If not, see . */ /* */ /* The copyright holder's institutional names and contributor's names may not */ /* be used to endorse or promote products derived from this software without */ /* specific prior written permission of the institution or contributor. */ /******************************************************************************/ #include #include #include #include "XrdCks/XrdCksData.hh" #include "XrdSys/XrdSysPlatform.hh" /* XrdCksXAttr encapsulates the extended attributes needed to save a checksum. */ class XrdCksXAttr { public: XrdCksData Cks; // Check sum information /* postGet() will put fmTime and csTime in host byte order (see preSet()). */ int postGet(int Result) {if (Result > 0) {Cks.fmTime = ntohll(Cks.fmTime); Cks.csTime = ntohl (Cks.csTime); } return Result; } /* preSet() will put fmTime and csTime in network byte order to allow the attribute to be copied to different architectures and still work. */ XrdCksXAttr *preSet(XrdCksXAttr &tmp) {memcpy(&tmp.Cks, &Cks, sizeof(Cks)); tmp.Cks.fmTime = htonll(Cks.fmTime); tmp.Cks.csTime = htonl (Cks.csTime); return &tmp; } /* Name() returns the extended attribute name for this object. */ const char *Name() {if (!(*VarName)) //01234567 {strcpy(VarName, "XrdCks."); strcpy(VarName+7, Cks.Name); } return VarName; } /* sizeGet() and sizeSet() return the actual size of the object is used. */ int sizeGet() {return sizeof(Cks);} int sizeSet() {return sizeof(Cks);} XrdCksXAttr() {*VarName = 0;} ~XrdCksXAttr() {} private: char VarName[XrdCksData::NameSize+8]; }; #endif