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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) { return -ENOTSUP; }
34 
36 
37  virtual int Write(char *Buffer, long long Offset, int Length) { return -ENOTSUP; }
38 
39  virtual void Update(XrdOucCacheIO2 &iocp);
40 
42 
44 
45 protected:
48 
49  const char *m_traceID;
50  std::string m_path;
51  const char* GetPath() { return m_path.c_str(); }
52 
53 private:
56  void SetInput(XrdOucCacheIO2*);
57 };
58 }
59 
60 #endif
61 
virtual void Write(XrdOucCacheIOCB &iocb, char *buff, long long offs, int wlen)
Definition: XrdOucCache2.hh:174
XrdSysTrace * GetTrace()
Definition: XrdFileCache.hh:258
const char * GetPath()
Definition: XrdFileCacheIO.hh:51
virtual int Trunc(long long Offset)
Definition: XrdFileCacheIO.hh:33
XrdSysTrace * GetTrace()
Definition: XrdFileCacheIO.hh:41
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:55
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:49
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:50
Attaches/creates and detaches/deletes cache-io objects for disk based cache.
Definition: XrdFileCache.hh:129
XrdOucCacheStats & m_statsGlobal
reference to Cache statistics
Definition: XrdFileCacheIO.hh:46
virtual const char * Path()
Original data source URL.
Definition: XrdFileCacheIO.hh:25
XrdOucCacheIO2 * m_io
original data source
Definition: XrdFileCacheIO.hh:54
Cache & m_cache
reference to Cache needed in detach
Definition: XrdFileCacheIO.hh:47