00001 #ifndef __CMS_MANLIST__H 00002 #define __CMS_MANLIST__H 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d C m s M a n L i s t . h h */ 00006 /* */ 00007 /* (c) 2007 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 "XrdSys/XrdSysPthread.hh" 00034 00035 class XrdCmsManRef; 00036 class XrdOucTList; 00037 class XrdNetAddr; 00038 00039 class XrdCmsManList 00040 { 00041 public: 00042 00043 // Add() adds an alternate manager to the list of managers (duplicates not added) 00044 // Previous entries for netAddr are removed before addition. 00045 // 00046 void Add(const XrdNetAddr *netAddr, char *redList, int manport, int lvl); 00047 00048 // Del() removes all entries added under refp 00049 // 00050 void Del(const XrdNetAddr *refP) {Del(getRef(refP));} 00051 00052 void Del(int ref); 00053 00054 // Get a reference number for a manager 00055 // 00056 int getRef(const XrdNetAddr *refP); 00057 00058 // haveAlts() returns true if alternates exist, false otherwise 00059 // 00060 int haveAlts() {return allMans != 0;} 00061 00062 // Next() returns the next manager in the list and its level or 0 if none are left. 00063 // The next call to Next() will return the first manager in the list. 00064 // 00065 int Next(int &port, char *buff, int bsz); 00066 00067 XrdCmsManList() {allMans = nextMan = 0;} 00068 ~XrdCmsManList(); 00069 00070 private: 00071 void Add(int ref, char *manp, int manport, int lvl); 00072 00073 XrdSysMutex refMutex; 00074 XrdOucTList *refList; 00075 00076 XrdSysMutex mlMutex; 00077 XrdCmsManRef *nextMan; 00078 XrdCmsManRef *allMans; 00079 }; 00080 #endif