XRootD
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XrdSsiEvent.hh
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1#ifndef __XRDSSIEVENT_HH__
2#define __XRDSSIEVENT_HH__
3/******************************************************************************/
4/* */
5/* X r d S s i E v e n t . h h */
6/* */
7/* (c) 2015 by the Board of Trustees of the Leland Stanford, Jr., University */
8/* Produced by Andrew Hanushevsky for Stanford University under contract */
9/* DE-AC02-76-SFO0515 with the Department of Energy */
10/* */
11/* This file is part of the XRootD software suite. */
12/* */
13/* XRootD is free software: you can redistribute it and/or modify it under */
14/* the terms of the GNU Lesser General Public License as published by the */
15/* Free Software Foundation, either version 3 of the License, or (at your */
16/* option) any later version. */
17/* */
18/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
19/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
20/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
21/* License for more details. */
22/* */
23/* You should have received a copy of the GNU Lesser General Public License */
24/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
25/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
26/* */
27/* The copyright holder's institutional names and contributor's names may not */
28/* be used to endorse or promote products derived from this software without */
29/* specific prior written permission of the institution or contributor. */
30/******************************************************************************/
31
32#include "Xrd/XrdJob.hh"
35
37{
38public:
39
41
42 void ClrEvent() {evMutex.Lock();ClrEvent(&thisEvent);evMutex.UnLock();}
43
44virtual void DoIt();
45
47 XrdCl::AnyObject *response)
48 {AddEvent(status, response);}
49
50virtual int XeqEvent(XrdCl::XRootDStatus *st, XrdCl::AnyObject **resp) = 0;
51
52virtual void XeqEvFin() = 0;
53
54 XrdSsiEvent() : XrdJob(tident), lastEvent(0),
55 running(false), isClear(true)
56 {*tident = 0;}
57
58 ~XrdSsiEvent() {if (!isClear) ClrEvent(&thisEvent);}
59
60protected:
61
62char tident[24]; //"c %u#%u" with %u max 10 digits
63
64private:
65struct EventData
66 {XrdCl::XRootDStatus *status;
67 XrdCl::AnyObject *response;
68 EventData *next;
69
70 void Move2(EventData &dest) {dest.status = status; status = 0;
71 dest.response = response; response = 0;
72 dest.next = next; next = 0;
73 }
74
75 EventData(XrdCl::XRootDStatus *st=0, XrdCl::AnyObject *resp=0)
76 : status(st), response(resp), next(0) {}
77 ~EventData() {}
78 };
79
80void ClrEvent(EventData *fdP);
81
82XrdSsiMutex evMutex;
83EventData thisEvent;
84EventData *lastEvent;
85bool running;
86bool isClear;
87static
88EventData *freeEvent;
89};
90#endif
Handle an async response.
virtual void DoIt()
virtual void XeqEvFin()=0
void ClrEvent()
void AddEvent(XrdCl::XRootDStatus *st, XrdCl::AnyObject *resp)
virtual void HandleResponse(XrdCl::XRootDStatus *status, XrdCl::AnyObject *response)
virtual int XeqEvent(XrdCl::XRootDStatus *st, XrdCl::AnyObject **resp)=0
char tident[24]