xrootd
XrdCmsMeter.hh
Go to the documentation of this file.
1 #ifndef __CMS_METER__H
2 #define __CMS_METER__H
3 /******************************************************************************/
4 /* */
5 /* X r d C m s M e t e r . 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/XrdSysError.hh"
34 #include "XrdSys/XrdSysPthread.hh"
35 #include "XrdOuc/XrdOucStream.hh"
36 
37 class XrdCmsMeter
38 {
39 public:
40 
41 int calcLoad(int pcpu, int pio, int pload, int pmem, int ppag);
42 
43 int calcLoad(int xload,int pdsk);
44 
45 int FreeSpace(int &tutil);
46 
47 void Init();
48 
49 int isOn() {return Running;}
50 
51 int Monitor(char *pgm, int itv);
52 
53 void Record(int pcpu, int pnet, int pxeq,
54  int pmem, int ppag, int pdsk);
55 
56 int Report(int &pcpu, int &pnet, int &pxeq,
57  int &pmem, int &ppag, int &pdsk);
58 
59 void *Run();
60 
61 void *RunFS();
62 
63 int numFS() {return fs_nums;}
64 
65 unsigned int TotalSpace(unsigned int &minfree);
66 
67 enum vType {manFS = 1, peerFS = 2};
68 
69 void setVirtual(vType vVal) {Virtual = vVal;}
70 
71 void setVirtUpdt() {cfsMutex.Lock(); VirtUpdt = 1; cfsMutex.UnLock();}
72 
73  XrdCmsMeter();
74  ~XrdCmsMeter();
75 
76 private:
77  void calcSpace();
78  char Scale(long long inval, long &outval);
79  void SpaceMsg(int why);
80  void UpdtSpace();
81 
82 XrdOucStream myMeter;
83 XrdSysMutex cfsMutex;
84 XrdSysMutex repMutex;
85 long long MinFree; // Calculated only once
86 long long HWMFree; // Calculated only once
87 long long dsk_lpn; // Calculated only once
88 long long dsk_tot; // Calculated only once
89 long long dsk_free;
90 long long dsk_maxf;
91 int dsk_util;
92 int dsk_calc;
93 int fs_nums; // Calculated only once
94 int lastFree;
95 int lastUtil;
96 int noSpace;
97 int Running;
98 long MinShow; // Calculated only once
99 long HWMShow; // Calculated only once
100 char MinStype; // Calculated only once
101 char HWMStype; // Calculated only once
102 char Virtual; // This is a virtual filesystem
103 char VirtUpdt; // Data changed for the virtul FS
104 
105 time_t rep_tod;
106 char *monpgm;
107 int monint;
108 pthread_t montid;
109 
110 unsigned int xeq_load;
111 unsigned int cpu_load;
112 unsigned int mem_load;
113 unsigned int pag_load;
114 unsigned int net_load;
115 };
116 
117 namespace XrdCms
118 {
119 extern XrdCmsMeter Meter;
120 }
121 #endif
Generated by   doxygen 1.8.3.1