00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::fileStat 00026 00027 Description 00028 Wrapper for stat() system call. 00029 00030 Warning 00031 on Linux (an maybe on others) a stat() of an nfs mounted (remote) 00032 file does never timeout and cannot be interrupted! 00033 So e.g. Foam::ping first and hope nfs is running. 00034 00035 SourceFiles 00036 fileStat.C 00037 00038 \*---------------------------------------------------------------------------*/ 00039 00040 #ifndef fileStat_H 00041 #define fileStat_H 00042 00043 #include <sys/stat.h> 00044 #include <sys/types.h> 00045 00046 #include <OpenFOAM/label.H> 00047 #include <OpenFOAM/fileName.H> 00048 00049 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00050 00051 namespace Foam 00052 { 00053 00054 // Forward declaration of friend functions and operators 00055 00056 class fileStat; 00057 00058 Istream& operator>>(Istream&, fileStat&); 00059 Ostream& operator<<(Ostream&, const fileStat&); 00060 00061 00062 /*---------------------------------------------------------------------------*\ 00063 Class fileStat Declaration 00064 \*---------------------------------------------------------------------------*/ 00065 00066 class fileStat 00067 { 00068 // Private data 00069 00070 struct stat status_; 00071 00072 bool isValid_; 00073 00074 00075 public: 00076 00077 // Constructors 00078 00079 //- Empty constructor 00080 fileStat(); 00081 00082 //- Construct from components 00083 fileStat(const fileName& fName, const unsigned int maxTime=0); 00084 00085 //- Construct from Istream 00086 fileStat(Istream&); 00087 00088 00089 // Member Functions 00090 00091 // Access 00092 00093 //- Raw status 00094 const struct stat& status() const 00095 { 00096 return status_; 00097 } 00098 00099 //- Did constructor fail 00100 bool isValid() const 00101 { 00102 return isValid_; 00103 } 00104 00105 00106 // Check 00107 00108 //- compare two fileStats for same device 00109 bool sameDevice(const fileStat& stat2) const; 00110 00111 //- compare two fileStats for same Inode 00112 bool sameINode(const fileStat& stat2) const; 00113 00114 //- compare state against inode 00115 bool sameINode(const label iNode) const; 00116 00117 00118 // IOstream Operators 00119 00120 friend Istream& operator>>(Istream&, fileStat&); 00121 friend Ostream& operator<<(Ostream&, const fileStat&); 00122 }; 00123 00124 00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00126 00127 } // End namespace Foam 00128 00129 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00130 00131 #endif 00132 00133 // ************************ vim: set sw=4 sts=4 et: ************************ //
