00001 #ifndef __XRDFRMCNS_HH__ 00002 #define __XRDFRMCNS_HH__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d F r m C n s . h h */ 00006 /* */ 00007 /* (c) 2011 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* All Rights Reserved */ 00009 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00010 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00011 /* */ 00012 /* This file is part of the XRootD software suite. */ 00013 /* */ 00014 /* XRootD is free software: you can redistribute it and/or modify it under */ 00015 /* the terms of the GNU Lesser General Public License as published by the */ 00016 /* Free Software Foundation, either version 3 of the License, or (at your */ 00017 /* option) any later version. */ 00018 /* */ 00019 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00020 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00021 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00022 /* License for more details. */ 00023 /* */ 00024 /* You should have received a copy of the GNU Lesser General Public License */ 00025 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00026 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00027 /* */ 00028 /* The copyright holder's institutional names and contributor's names may not */ 00029 /* be used to endorse or promote products derived from this software without */ 00030 /* specific prior written permission of the institution or contributor. */ 00031 /******************************************************************************/ 00032 00033 #include <sys/types.h> 00034 #include <sys/uio.h> 00035 00036 class XrdFrmCns 00037 { 00038 public: 00039 00040 static void Add(const char *tID,const char *Path,long long Size,mode_t Mode); 00041 00042 static 00043 const int cnsAuto = -1; // Init Opts: Use cnsd if there, ignore o/w 00044 static 00045 const int cnsIgnore = 0; // Init Opts: Always ignore the cnsd 00046 static 00047 const int cnsRequire = 1; // Init Opts: Wait for cnsd if not present 00048 00049 static int Init(const char *aPath, int Opts); 00050 00051 static int Init(const char *myID, const char *aPath, const char *iName); 00052 00053 static void Rm (const char *Path, int islfn=0) 00054 {if (cnsMode) Del(Path, HdrRmf, islfn);} 00055 00056 static void Rmd(const char *Path, int islfn=0) 00057 {if (cnsMode) Del(Path, HdrRmd, islfn);} 00058 00059 XrdFrmCns() {} 00060 ~XrdFrmCns() {} 00061 00062 private: 00063 00064 static const int HdrRmd = 0; 00065 static const int HdrRmf = 1; 00066 00067 static void Del(const char *Path, int HdrType, int islfn=0); 00068 static int Init(); 00069 static int Retry(int eNum, int &pMsg); 00070 static int Send2Cnsd(struct iovec *iov, int iovn); 00071 static int setPath(const char *aPath, const char *iName); 00072 00073 static char *cnsPath; 00074 static char *cnsHdr[2]; 00075 static int cnsHdrLen; 00076 static int cnsInit; 00077 static int cnsFD; 00078 static int cnsMode; 00079 }; 00080 #endif