Go to the documentation of this file. 1 #ifndef __XRDOUCCACHE_HH__
2 #define __XRDOUCCACHE_HH__
148 virtual int Fstat(
struct stat &sbuff) {(void)sbuff;
return 1;}
161 const char *
Location(
bool refresh=
false) {(void)refresh;
return "";}
187 static const uint64_t
forceCS = 0x0000000000000001ULL;
192 std::vector<uint32_t> &csvec,
215 std::vector<uint32_t> &csvec,
217 {iocb.
Done(
pgRead(buff, offs, rdlen, csvec, opts));}
237 std::vector<uint32_t> &csvec,
259 std::vector<uint32_t> &csvec,
261 {iocb.
Done(
pgWrite(buff, offs, wrlen, csvec, opts));}
273 virtual void Preread(
long long offs,
int rlen,
int opts=0)
274 {(void)offs; (void)rlen; (void)opts;}
310 virtual int Read (
char *buff,
long long offs,
int rlen) = 0;
326 {iocb.
Done(
Read(buff, offs, rlen));}
383 virtual int Trunc(
long long offs) = 0;
427 virtual int Write(
char *buff,
long long offs,
int wlen) = 0;
569 {(void)url; (void)buff; (void)blen; (void)why;
571 if (buff && blen > 0) *buff = 0;
592 virtual int Prepare(
const char *url,
int oflags, mode_t mode)
593 {(void)url; (void)oflags; (void)mode;
return 0;}
605 virtual int Rename(
const char* oldp,
const char* newp)
606 {(void)oldp; (void)newp;
return 0;}
617 virtual int Rmdir(
const char* dirp) {(void)dirp;
return 0;}
633 virtual int Stat(
const char *url,
struct stat &sbuff)
634 {(void)url; (void)sbuff;
return 1;}
647 {(void)path; (void)size;
return 0;}
658 virtual int Unlink(
const char* path) {(void)path;
return 0;}
674 {(void)cmd; (void)arg; (void)arglen;
return -ENOTSUP;}
697 {strncpy(
const_cast<char *
>(
CacheType), ctype,
XeqCmd
Definition: XrdOucCache.hh:671
virtual int pgRead(char *buff, long long offs, int rdlen, std::vector< uint32_t > &csvec, uint64_t opts=0)
static const int optNEW
File is new -> optRW (o/w read or write)
Definition: XrdOucCache.hh:513
XrdOucCacheIOCB()
Definition: XrdOucCache.hh:66
virtual int Stat(const char *url, struct stat &sbuff)
Definition: XrdOucCache.hh:633
Definition: XrdOucCache.hh:105
virtual void pgRead(XrdOucCacheIOCB &iocb, char *buff, long long offs, int rdlen, std::vector< uint32_t > &csvec, uint64_t opts=0)
Definition: XrdOucCache.hh:211
virtual XrdOucCacheIO * Attach(XrdOucCacheIO *ioP, int opts=0)=0
virtual ~XrdOucCacheIO()
Definition: XrdOucCache.hh:477
XrdOucCacheIO()
Construct and Destructor.
Definition: XrdOucCache.hh:475
virtual int Unlink(const char *path)
Definition: XrdOucCache.hh:658
Definition: XrdOucCache.hh:490
virtual void DetachDone()=0
Indicate that the CacheIO object has been detached.
virtual int Read(char *buff, long long offs, int rlen)=0
virtual const char * Path()=0
virtual long long FSize()=0
virtual int Truncate(const char *path, off_t size)
Definition: XrdOucCache.hh:646
virtual int Rename(const char *oldp, const char *newp)
Definition: XrdOucCache.hh:605
virtual bool Detach(XrdOucCacheIOCD &iocd)=0
virtual void Preread(long long offs, int rlen, int opts=0)
Definition: XrdOucCache.hh:273
virtual int ReadV(const XrdOucIOVec *readV, int rnum)
Definition: XrdOucIOVec.hh:41
int Reserve1
Definition: XrdOucCache.hh:285
@ ForInfo
Definition: XrdOucCache.hh:565
int Trigger
Definition: XrdOucCache.hh:283
@ ForAccess
Definition: XrdOucCache.hh:565
virtual int Trunc(long long offs)=0
virtual void Update(XrdOucCacheIO &iocp)
Definition: XrdOucCache.hh:413
virtual int Rmdir(const char *dirp)
Definition: XrdOucCache.hh:617
static const int SingleUse
Mark pages for single use.
Definition: XrdOucCache.hh:271
virtual const char * Location(bool refresh=false)
Definition: XrdOucCache.hh:161
virtual int Fstat(struct stat &sbuff)
Definition: XrdOucCache.hh:148
Definition: XrdOucEnv.hh:42
short minPages
Definition: XrdOucCache.hh:286
XrdOucCacheStats Statistics
Definition: XrdOucCache.hh:681
virtual void Preread(aprParms &Parms)
Definition: XrdOucCache.hh:296
Definition: XrdOucCache.hh:82
LFP_Reason
Definition: XrdOucCache.hh:565
virtual int Write(char *buff, long long offs, int wlen)=0
Definition: XrdSysLogger.hh:53
const char CacheType[8]
A 1-to-7 character cache type identifier (usually pfc or rmc).
Definition: XrdOucCache.hh:687
virtual int LocalFilePath(const char *url, char *buff=0, int blen=0, LFP_Reason why=ForAccess, bool forall=false)
Definition: XrdOucCache.hh:567
XrdOucCacheIOCD()
Definition: XrdOucCache.hh:91
Definition: XrdOucCache.hh:283
Definition: XrdOucCacheStats.hh:44
static const int optFIS
File is structured (e.g. root file)
Definition: XrdOucCache.hh:511
int prRecalc
Definition: XrdOucCache.hh:284
virtual int pgWrite(char *buff, long long offs, int wrlen, std::vector< uint32_t > &csvec, uint64_t opts=0)
XrdOucCache(const char *ctype)
Definition: XrdOucCache.hh:695
virtual ~XrdOucCache()
Destructor.
Definition: XrdOucCache.hh:706
signed char minPerf
Definition: XrdOucCache.hh:288
virtual void Done(int result)=0
char Reserve2
Definition: XrdOucCache.hh:289
@ xeqNoop
Definition: XrdOucCache.hh:671
virtual void WriteV(XrdOucCacheIOCB &iocb, const XrdOucIOVec *writV, int wnum)
Definition: XrdOucCache.hh:468
Definition: XrdOucCache.hh:53
#define stat(a, b)
Definition: XrdPosix.hh:96
virtual ~XrdOucCacheIOCD()
Definition: XrdOucCache.hh:92
void * Reserve3
Definition: XrdOucCache.hh:290
virtual void pgWrite(XrdOucCacheIOCB &iocb, char *buff, long long offs, int wrlen, std::vector< uint32_t > &csvec, uint64_t opts=0)
Definition: XrdOucCache.hh:255
static const uint64_t forceCS
Definition: XrdOucCache.hh:187
@ ForPath
Definition: XrdOucCache.hh:565
static const int optWIN
File is new -> optRW use write-in cache.
Definition: XrdOucCache.hh:514
virtual ~XrdOucCacheIOCB()
Definition: XrdOucCache.hh:67
static const int optRW
File is read/write (o/w read/only)
Definition: XrdOucCache.hh:512
virtual int WriteV(const XrdOucIOVec *writV, int wnum)
virtual int Xeq(XeqCmd cmd, char *arg, int arglen)
Definition: XrdOucCache.hh:673
virtual int Prepare(const char *url, int oflags, mode_t mode)
Definition: XrdOucCache.hh:592
aprParms()
Definition: XrdOucCache.hh:292