00001 #ifndef __POSIX_CALLBACK_HH__ 00002 #define __POSIX_CALLBACK_HH__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d P o s i x C a l l B a c k . h h */ 00006 /* */ 00007 /* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* All Rights Reserved */ 00009 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00010 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00011 /* */ 00012 /* This file is part of the XRootD software suite. */ 00013 /* */ 00014 /* XRootD is free software: you can redistribute it and/or modify it under */ 00015 /* the terms of the GNU Lesser General Public License as published by the */ 00016 /* Free Software Foundation, either version 3 of the License, or (at your */ 00017 /* option) any later version. */ 00018 /* */ 00019 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00020 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00021 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00022 /* License for more details. */ 00023 /* */ 00024 /* You should have received a copy of the GNU Lesser General Public License */ 00025 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00026 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00027 /* */ 00028 /* The copyright holder's institutional names and contributor's names may not */ 00029 /* be used to endorse or promote products derived from this software without */ 00030 /* specific prior written permission of the institution or contributor. */ 00031 /******************************************************************************/ 00032 00033 #include "XrdOuc/XrdOucCache.hh" 00034 00035 //----------------------------------------------------------------------------- 00049 //----------------------------------------------------------------------------- 00050 00051 class XrdPosixCallBack 00052 { 00053 public: 00054 00055 virtual void Complete(int Result) = 0; 00056 00057 XrdPosixCallBack() {} 00058 virtual ~XrdPosixCallBack() {} 00059 }; 00060 00061 //----------------------------------------------------------------------------- 00071 //----------------------------------------------------------------------------- 00072 00073 class XrdPosixFile; 00074 00075 class XrdPosixCallBackIO : public XrdOucCacheIOCB 00076 { 00077 public: 00078 friend class XrdPosixXrootd; 00079 00080 virtual void Complete(ssize_t Result) = 0; 00081 00082 XrdPosixCallBackIO() : theFile(0) {} 00083 virtual ~XrdPosixCallBackIO() {} 00084 00085 private: 00086 00087 void Done(int result); 00088 00089 XrdPosixFile *theFile; 00090 }; 00091 #endif