xrootd

XrdOssPath.hh

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00001 #ifndef _OSS_PATH_H
00002 #define _OSS_PATH_H
00003 /******************************************************************************/
00004 /*                                                                            */
00005 /*                         X r d O s s P a t h . h h                          */
00006 /*                                                                            */
00007 /* (c) 2008 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 
00013 #include <string.h>
00014 
00015 class XrdOssPath
00016 {
00017 public:
00018 
00019 struct fnInfo
00020 {
00021 const char *Path;
00022 const char *Sfx; // Of length sfxLen!
00023       char *Slash;
00024       int   Plen;
00025 };
00026 
00027 static const char xChar  = '%';
00028 
00029 static const int  sfxLen = 4;
00030 
00031 static int   Convert(char *dst, int dln, const char *oldP, const char *newP);
00032 
00033 static
00034 const  char *Extract(char *path, char *lbuf, int &lbsz);
00035 
00036 static char *genPath(const char *inPath, const char *cgrp, char *sfx);
00037 
00038 static char *genPFN(fnInfo &Info, char *buff, int blen, const char *Path=0);
00039 
00040 static char *genPFN(char *dst, int dln, const char *src);
00041 
00042 static int   getCname(const char *path, char *Cache, char *lbuf=0, int lbsz=0);
00043 
00044 static
00045 inline int   isXA(const char *path) {return path[strlen(path)-1] == xChar;}
00046 
00047 enum theSfx {isBase =0, isAnew =1,
00048              sfxMigF=1, isFail=2,  isLock =3, isPin =4, sfxMigL=4,
00049              sfxMemF=4, isMkeep=5, isMlock=6, isMmap=7, sfxMemL=7,
00050              isPfn=8,   sfxLast=8, sfxNum =9
00051             };
00052 
00053 static
00054 const char *Sfx[sfxNum];
00055 
00056 static const int chkMem = 0x01;
00057 static const int chkMig = 0x02;
00058 static const int chkPfn = 0x04;
00059 static const int chkAll = 0x07;
00060 
00061 static theSfx pathType(const char *Path, int chkWhat=chkAll);
00062 
00063 static void  Trim2Base(char *eP);
00064 
00065              XrdOssPath() {}
00066             ~XrdOssPath() {}
00067 
00068 private:
00069 static char *bin2hex(char *inbuff, int dlen, char *buff);
00070 static int   Init(char *pfnPfx);
00071 static char *posCname(char *lbuf, int lbsz, int &cnsz);
00072 
00073 static char h2c[16];
00074 };
00075 #endif