xrootd
XrdPfcIO.hh
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1 #ifndef __XRDPFC_CACHE_IO_HH__
2 #define __XRDPFC_CACHE_IO_HH__
3 
4 class XrdSysTrace;
5 
6 #include "XrdPfc.hh"
7 #include "XrdOuc/XrdOucCache.hh"
10 
11 namespace XrdPfc
12 {
13 //----------------------------------------------------------------------------
15 //----------------------------------------------------------------------------
16 class IO : public XrdOucCacheIO
17 {
18 public:
19  IO (XrdOucCacheIO *io, XrdOucCacheStats &stats, Cache &cache);
20 
22  virtual XrdOucCacheIO *Base() { return m_io; }
23 
25  virtual const char *Path() { return m_io->Path(); }
26 
27  using XrdOucCacheIO::Sync;
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(XrdOucCacheIO &iocp);
40 
41  // Detach is virtual from XrdOucCacheIO, here it is split
42  // into abstract ioActive() and DetachFinalize().
43  bool Detach(XrdOucCacheIOCD &iocdP) /* final */;
44 
45  virtual bool ioActive() = 0;
46  virtual void DetachFinalize() = 0;
47 
49 
51 
52 protected:
55 
56  const char *m_traceID;
57  std::string m_path;
58  const char* GetPath() { return m_path.c_str(); }
59 
60 private:
64 };
65 }
66 
67 #endif
68 
XrdPfc::IO::Detach
bool Detach(XrdOucCacheIOCD &iocdP)
XrdOucCacheIO
Definition: XrdOucCache.hh:103
XrdSysMutex
Definition: XrdSysPthread.hh:166
XrdSysPthread.hh
XrdPfc::IO::m_cache
Cache & m_cache
reference to Cache needed in detach
Definition: XrdPfcIO.hh:54
XrdPfc::Cache
Attaches/creates and detaches/deletes cache-io objects for disk based cache.
Definition: XrdPfc.hh:281
XrdPfc::Cache::GetTrace
XrdSysTrace * GetTrace()
Definition: XrdPfc.hh:404
XrdPfc::IO
Base cache-io class that implements XrdOucCacheIO abstract methods.
Definition: XrdPfcIO.hh:17
XrdOucCacheIO::Path
virtual const char * Path()=0
XrdPfc::IO::DetachFinalize
virtual void DetachFinalize()=0
XrdOucCacheIO::Trunc
virtual int Trunc(long long offs)=0
XrdPfc::IO::Trunc
virtual int Trunc(long long Offset)
Definition: XrdPfcIO.hh:33
XrdPfc::IO::GetPath
const char * GetPath()
Definition: XrdPfcIO.hh:58
XrdPfc::IO::SetInput
void SetInput(XrdOucCacheIO *)
XrdOucCacheIOCD
Definition: XrdOucCache.hh:80
XrdOucCacheIO::Write
virtual int Write(char *buff, long long offs, int wlen)=0
XrdPfc::IO::m_statsGlobal
XrdOucCacheStats & m_statsGlobal
reference to Cache statistics
Definition: XrdPfcIO.hh:53
XrdPfc::IO::ioActive
virtual bool ioActive()=0
XrdPfc::IO::m_io
XrdOucCacheIO * m_io
original data source
Definition: XrdPfcIO.hh:61
XrdOucCacheStats
Definition: XrdOucCacheStats.hh:44
XrdPfc.hh
XrdPfc::IO::IO
IO(XrdOucCacheIO *io, XrdOucCacheStats &stats, Cache &cache)
XrdPfc::IO::GetInput
XrdOucCacheIO * GetInput()
XrdClDefaultEnv.hh
XrdPfc::IO::Sync
virtual int Sync()
Definition: XrdPfcIO.hh:29
XrdOucCacheIO::Sync
virtual int Sync()=0
XrdPfc::IO::Update
virtual void Update(XrdOucCacheIO &iocp)
XrdOucCache.hh
XrdPfc::IO::updMutex
XrdSysMutex updMutex
Definition: XrdPfcIO.hh:62
XrdPfc
Definition: XrdPfc.hh:46
XrdPfc::IO::m_path
std::string m_path
Definition: XrdPfcIO.hh:57
XrdSysTrace
Definition: XrdSysTrace.hh:49
XrdPfc::IO::Write
virtual int Write(char *Buffer, long long Offset, int Length)
Definition: XrdPfcIO.hh:37
XrdPfc::IO::m_traceID
const char * m_traceID
Definition: XrdPfcIO.hh:56
XrdPfc::IO::Base
virtual XrdOucCacheIO * Base()
Original data source.
Definition: XrdPfcIO.hh:22
XrdPfc::IO::Path
virtual const char * Path()
Original data source URL.
Definition: XrdPfcIO.hh:25
XrdPfc::IO::GetTrace
XrdSysTrace * GetTrace()
Definition: XrdPfcIO.hh:48