XRootD
XrdPosixFileRH.hh
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1 #ifndef __POSIX_FILERH_HH__
2 #define __POSIX_FILERH_HH__
3 /******************************************************************************/
4 /* */
5 /* X r d P o s i x F l e R H . h h */
6 /* */
7 /* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */
8 /* All Rights Reserved */
9 /* Produced by Andrew Hanushevsky for Stanford University under contract */
10 /* DE-AC02-76-SFO0515 with the Department of Energy */
11 /* */
12 /* This file is part of the XRootD software suite. */
13 /* */
14 /* XRootD is free software: you can redistribute it and/or modify it under */
15 /* the terms of the GNU Lesser General Public License as published by the */
16 /* Free Software Foundation, either version 3 of the License, or (at your */
17 /* option) any later version. */
18 /* */
19 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
20 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
21 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
22 /* License for more details. */
23 /* */
24 /* You should have received a copy of the GNU Lesser General Public License */
25 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
26 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
27 /* */
28 /* The copyright holder's institutional names and contributor's names may not */
29 /* be used to endorse or promote products derived from this software without */
30 /* specific prior written permission of the institution or contributor. */
31 /******************************************************************************/
32 
33 #include <cstdint>
34 #include <vector>
35 
36 #include "Xrd/XrdJob.hh"
37 #include "XrdCl/XrdClFile.hh"
38 #include "XrdSys/XrdSysPthread.hh"
39 
40 class XrdOucCacheIOCB;
41 class XrdPosixFile;
42 
43 /******************************************************************************/
44 /* X r d P o s i x F i l e R H */
45 /******************************************************************************/
46 
47 class XrdPosixFileRH : public XrdJob,
49 {
50 public:
51 
52 enum ioType {nonIO = 0, isRead = 1, isReadV = 2, isWrite = 3,
53  isReadP = 4, isWriteP= 5};
54 
56  long long offs, int xResult, ioType typeIO);
57 
58  void DoIt() {theCB->Done(result); Recycle();}
59 
61  XrdCl::AnyObject *response);
62 
63  void Recycle();
64 
65 inline void setCSVec(std::vector<uint32_t> *csv, int *csf,
66  bool fcs=false)
67  {csVec = csv; csfix = csf; csFrc = fcs;}
68 
69 static void SetMax(int mval) {maxFree = mval;}
70 
71  void Sched(int result);
72 
73 private:
74  XrdPosixFileRH() : theCB(0), theFile(0), csVec(0), csfix(0),
75  result(0),typeIO(nonIO), csFrc(false) {}
76 virtual ~XrdPosixFileRH() {}
77 
78 static XrdSysMutex myMutex;
79 static XrdPosixFileRH *freeRH;
80 static int numFree;
81 static int maxFree;
82 
83 union {XrdOucCacheIOCB *theCB;
84  XrdPosixFileRH *next;
85  };
86 XrdPosixFile *theFile;
87 std::vector<uint32_t> *csVec;
88 int *csfix;
89 long long offset;
90 int result;
91 ioType typeIO;
92 bool csFrc;
93 };
94 #endif
Handle an async response.
Definition: XrdJob.hh:43
static void SetMax(int mval)
void setCSVec(std::vector< uint32_t > *csv, int *csf, bool fcs=false)
void Sched(int result)
static XrdPosixFileRH * Alloc(XrdOucCacheIOCB *cbp, XrdPosixFile *fp, long long offs, int xResult, ioType typeIO)
void HandleResponse(XrdCl::XRootDStatus *status, XrdCl::AnyObject *response)