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XrdFileCacheIO.hh
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1 #ifndef __XRDFILECACHE_CACHE_IO_HH__
2 #define __XRDFILECACHE_CACHE_IO_HH__
3 
4 class XrdSysTrace;
5 
6 #include "XrdFileCache.hh"
7 #include "XrdOuc/XrdOucCache2.hh"
10 
11 namespace XrdFileCache
12 {
13 //----------------------------------------------------------------------------
15 //----------------------------------------------------------------------------
16 class IO : public XrdOucCacheIO2
17 {
18 public:
19  IO (XrdOucCacheIO2 *io, XrdOucCacheStats &stats, Cache &cache);
20 
22  virtual XrdOucCacheIO *Base() { return m_io; }
23 
25  virtual const char *Path() { return m_io->Path(); }
26 
28 
29  virtual int Sync() { return 0; }
30 
32 
33  virtual int Trunc(long long Offset) { errno = ENOTSUP; return -1; }
34 
36 
37  virtual int Write(char *Buffer, long long Offset, int Length)
38  { errno = ENOTSUP; return -1; }
39 
40  virtual void Update(XrdOucCacheIO2 &iocp);
41 
43 
45 
46 protected:
49 
50  const char *m_traceID;
51  std::string m_path;
52  const char* GetPath() { return m_path.c_str(); }
53 
54 private:
57  void SetInput(XrdOucCacheIO2*);
58 };
59 }
60 
61 #endif
62 
virtual void Write(XrdOucCacheIOCB &iocb, char *buff, long long offs, int wlen)
Definition: XrdOucCache2.hh:174
XrdSysTrace * GetTrace()
Definition: XrdFileCache.hh:246
const char * GetPath()
Definition: XrdFileCacheIO.hh:52
virtual int Trunc(long long Offset)
Definition: XrdFileCacheIO.hh:33
XrdSysTrace * GetTrace()
Definition: XrdFileCacheIO.hh:42
Definition: XrdOucCache.hh:127
virtual int Trunc(long long Offset)=0
IO(XrdOucCacheIO2 *io, XrdOucCacheStats &stats, Cache &cache)
void SetInput(XrdOucCacheIO2 *)
Definition: XrdSysTrace.hh:48
XrdOucCacheIO2 * GetInput()
Definition: XrdSysPthread.hh:165
Base cache-io class that implements XrdOucCacheIO abstract methods.
Definition: XrdFileCacheIO.hh:16
XrdSysMutex updMutex
Definition: XrdFileCacheIO.hh:56
virtual const char * Path()=0
virtual int Sync()
Definition: XrdFileCacheIO.hh:29
Definition: XrdOucCache2.hh:62
virtual int Write(char *Buffer, long long Offset, int Length)
Definition: XrdFileCacheIO.hh:37
virtual void Update(XrdOucCacheIO2 &iocp)
const char * m_traceID
Definition: XrdFileCacheIO.hh:50
virtual int Sync()=0
virtual XrdOucCacheIO * Base()
Original data source.
Definition: XrdFileCacheIO.hh:22
Definition: XrdOucCacheStats.hh:40
std::string m_path
Definition: XrdFileCacheIO.hh:51
Attaches/creates and detaches/deletes cache-io objects for disk based cache.
Definition: XrdFileCache.hh:125
XrdOucCacheStats & m_statsGlobal
reference to Cache statistics
Definition: XrdFileCacheIO.hh:47
virtual const char * Path()
Original data source URL.
Definition: XrdFileCacheIO.hh:25
XrdOucCacheIO2 * m_io
original data source
Definition: XrdFileCacheIO.hh:55
Cache & m_cache
reference to Cache needed in detach
Definition: XrdFileCacheIO.hh:48