XRootD
XrdCmsManList.hh
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1 #ifndef __CMS_MANLIST__H
2 #define __CMS_MANLIST__H
3 /******************************************************************************/
4 /* */
5 /* X r d C m s M a n L i s t . h h */
6 /* */
7 /* (c) 2007 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 "XrdSys/XrdSysPthread.hh"
34 
35 class XrdCmsManRef;
36 class XrdOucTList;
37 class XrdNetAddr;
38 
40 {
41 public:
42 
43 // Add() adds an alternate manager to the list of managers (duplicates not added)
44 // Previous entries for netAddr are removed before addition.
45 //
46 void Add(const XrdNetAddr *netAddr, char *redList, int manport, int lvl);
47 
48 // Del() removes all entries added under refp
49 //
50 void Del(const XrdNetAddr *refP) {Del(getRef(refP));}
51 
52 void Del(int ref);
53 
54 // Get a reference number for a manager
55 //
56 int getRef(const XrdNetAddr *refP);
57 
58 // haveAlts() returns true if alternates exist, false otherwise
59 //
60 int haveAlts() {return allMans != 0;}
61 
62 // Next() returns the next manager in the list and its level or 0 if none are left.
63 // The next call to Next() will return the first manager in the list.
64 //
65 int Next(int &port, char *buff, int bsz);
66 
67  XrdCmsManList() {allMans = nextMan = 0;}
69 
70 private:
71 void Add(int ref, char *manp, int manport, int lvl);
72 
73 XrdSysMutex refMutex;
74 XrdOucTList *refList;
75 
76 XrdSysMutex mlMutex;
77 XrdCmsManRef *nextMan;
78 XrdCmsManRef *allMans;
79 };
80 #endif
void Del(const XrdNetAddr *refP)
void Add(const XrdNetAddr *netAddr, char *redList, int manport, int lvl)
int getRef(const XrdNetAddr *refP)
int Next(int &port, char *buff, int bsz)