00001 #ifndef __NET_BUFF__ 00002 #define __NET_BUFF__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d N e t B u f f e r . h h */ 00006 /* */ 00007 /* (c) 2003 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 <stdlib.h> 00034 00035 #include "XrdOuc/XrdOucChain.hh" 00036 #include "XrdSys/XrdSysPthread.hh" 00037 00038 /******************************************************************************/ 00039 /* X r d N e t B u f f e r Q */ 00040 /******************************************************************************/ 00041 00042 class XrdNetBuffer; 00043 00044 class XrdNetBufferQ 00045 { 00046 public: 00047 00048 XrdNetBuffer *Alloc(); 00049 00050 inline int BuffSize(void) {return size;} 00051 00052 void Recycle(XrdNetBuffer *bp); 00053 00054 void Set(int maxb); 00055 00056 XrdNetBufferQ(int bsz, int maxb=16); 00057 ~XrdNetBufferQ(); 00058 00059 int alignit; 00060 XrdSysMutex BuffList; 00061 XrdOucStack<XrdNetBuffer> BuffStack; 00062 int maxbuff; 00063 int numbuff; 00064 int size; 00065 }; 00066 00067 /******************************************************************************/ 00068 /* X r d N e t B u f f e r */ 00069 /******************************************************************************/ 00070 00071 class XrdNetBuffer 00072 { 00073 friend class XrdNetBufferQ; 00074 00075 public: 00076 char *data; 00077 int dlen; 00078 00079 inline int BuffSize(void) {return BuffQ->BuffSize();} 00080 00081 void Recycle(void) {BuffQ->Recycle(this);} 00082 00083 XrdNetBuffer(XrdNetBufferQ *bq); 00084 ~XrdNetBuffer() {if (data) free(data);} 00085 00086 private: 00087 00088 XrdOucQSItem<XrdNetBuffer> BuffLink; 00089 XrdNetBufferQ *BuffQ; 00090 }; 00091 #endif