00001 #ifndef __XRDPFC_IO_ENTIRE_FILE_HH__ 00002 #define __XRDPFC_IO_ENTIRE_FILE_HH__ 00003 //---------------------------------------------------------------------------------- 00004 // Copyright (c) 2014 by Board of Trustees of the Leland Stanford, Jr., University 00005 // Author: Alja Mrak-Tadel, Matevz Tadel, Brian Bockelman 00006 //---------------------------------------------------------------------------------- 00007 // XRootD is free software: you can redistribute it and/or modify 00008 // it under the terms of the GNU Lesser General Public License as published by 00009 // the Free Software Foundation, either version 3 of the License, or 00010 // (at your option) any later version. 00011 // 00012 // XRootD is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // GNU General Public License for more details. 00016 // 00017 // You should have received a copy of the GNU Lesser General Public License 00018 // along with XRootD. If not, see <http://www.gnu.org/licenses/>. 00019 //---------------------------------------------------------------------------------- 00020 00021 #include <string> 00022 00023 #include "XrdSys/XrdSysPthread.hh" 00024 #include "XrdPfcIO.hh" 00025 #include "XrdPfc.hh" 00026 #include "XrdPfcStats.hh" 00027 #include "XrdPfcFile.hh" 00028 00029 class XrdSysError; 00030 class XrdOssDF; 00031 class XfcStats; 00032 class XrdOucIOVec; 00033 00034 namespace XrdPfc 00035 { 00036 //---------------------------------------------------------------------------- 00039 //---------------------------------------------------------------------------- 00040 class IOEntireFile : public IO 00041 { 00042 public: 00043 IOEntireFile(XrdOucCacheIO *io, XrdOucCacheStats &stats, Cache &cache); 00044 00045 ~IOEntireFile(); 00046 00047 //------------------------------------------------------------------------ 00049 //------------------------------------------------------------------------ 00050 bool HasFile() const { return m_file != 0; } 00051 00052 //--------------------------------------------------------------------- 00060 //--------------------------------------------------------------------- 00061 using XrdOucCacheIO::Read; 00062 00063 virtual int Read(char *Buffer, long long Offset, int Length); 00064 00065 //--------------------------------------------------------------------- 00072 //--------------------------------------------------------------------- 00073 using XrdOucCacheIO::ReadV; 00074 00075 virtual int ReadV(const XrdOucIOVec *readV, int n); 00076 00079 bool ioActive() /* override */; 00080 00083 void DetachFinalize() /* override */; 00084 00085 virtual int Fstat(struct stat &sbuff); 00086 00087 virtual long long FSize(); 00088 00089 private: 00090 File *m_file; 00091 struct stat *m_localStat; 00092 int initCachedStat(const char* path); 00093 }; 00094 00095 } 00096 #endif 00097