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root/i-scream/projects/libstatgrab/src/libstatgrab/swap_stats.c
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Comparing projects/libstatgrab/src/libstatgrab/swap_stats.c (file contents):
Revision 1.3 by pajs, Fri Mar 7 15:43:14 2003 UTC vs.
Revision 1.10 by tdb, Fri Jan 16 15:54:54 2004 UTC

# Line 1 | Line 1
1 < /*
1 > /*
2   * i-scream central monitoring system
3 < * http://www.i-scream.org.uk
4 < * Copyright (C) 2000-2002 i-scream
3 > * http://www.i-scream.org
4 > * Copyright (C) 2000-2004 i-scream
5   *
6 < * This program is free software; you can redistribute it and/or
7 < * modify it under the terms of the GNU General Public License
8 < * as published by the Free Software Foundation; either version 2
9 < * of the License, or (at your option) any later version.
6 > * This library is free software; you can redistribute it and/or
7 > * modify it under the terms of the GNU Lesser General Public
8 > * License as published by the Free Software Foundation; either
9 > * version 2.1 of the License, or (at your option) any later version.
10   *
11 < * This program is distributed in the hope that it will be useful,
11 > * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 < * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 < * GNU General Public License for more details.
13 > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 > * Lesser General Public License for more details.
15   *
16 < * You should have received a copy of the GNU General Public License
17 < * along with this program; if not, write to the Free Software
18 < * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16 > * You should have received a copy of the GNU Lesser General Public
17 > * License along with this library; if not, write to the Free Software
18 > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 > * 02111-1307 USA
20   */
21  
22   #ifdef HAVE_CONFIG_H
# Line 23 | Line 24
24   #endif
25  
26   #include "statgrab.h"
27 + #include "tools.h"
28   #ifdef SOLARIS
29   #include <sys/stat.h>
30   #include <sys/swap.h>
31   #include <unistd.h>
32   #endif
33 < #ifdef LINUX
33 > #if defined(LINUX) || defined(CYGWIN)
34   #include <stdio.h>
35 < #include "tools.h"
35 > #include <string.h>
36   #endif
37 + #ifdef FREEBSD
38 + #include <unistd.h>
39 + #include <sys/types.h>
40 + #include <kvm.h>
41 + #endif
42  
43   swap_stat_t *get_swap_stats(){
44  
# Line 41 | Line 48 | swap_stat_t *get_swap_stats(){
48          struct anoninfo ai;
49          int pagesize;
50   #endif
51 < #ifdef LINUX
51 > #if defined(LINUX) || defined(CYGWIN)
52          FILE *f;
53          char *line_ptr;
54 +        unsigned long long value;
55   #endif
56 + #ifdef FREEBSD
57 +        struct kvm_swap swapinfo;
58 +        int pagesize;
59 +        kvm_t *kvmd;
60 + #endif
61 + #ifdef NETBSD
62 +        struct uvmexp *uvm;
63 + #endif
64  
65   #ifdef SOLARIS
66          if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
# Line 57 | Line 73 | swap_stat_t *get_swap_stats(){
73          swap_stat.used = (long long)ai.ani_resv * (long long)pagesize;
74          swap_stat.free = swap_stat.total - swap_stat.used;
75   #endif
76 < #ifdef LINUX
77 <        if ((f=fopen("/proc/meminfo", "r" ))==NULL) {
76 > #if defined(LINUX) || defined(CYGWIN)
77 >        if ((f = fopen("/proc/meminfo", "r")) == NULL) {
78                  return NULL;
79          }
80 <        if((line_ptr=f_read_line(f, "Swap:"))==NULL){
81 <                fclose(f);
80 >
81 >        while ((line_ptr = f_read_line(f, "")) != NULL) {
82 >                if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) {
83 >                        continue;
84 >                }
85 >                value *= 1024;
86 >
87 >                if (strncmp(line_ptr, "SwapTotal:", 10) == 0) {
88 >                        swap_stat.total = value;
89 >                } else if (strncmp(line_ptr, "SwapFree:", 9) == 0) {
90 >                        swap_stat.free = value;
91 >                }
92 >        }
93 >
94 >        fclose(f);
95 >        swap_stat.used = swap_stat.total - swap_stat.free;
96 > #endif
97 > #ifdef FREEBSD
98 >        if((kvmd = get_kvm()) == NULL){
99                  return NULL;
100          }
101 <        if((sscanf(line_ptr, "Swap: %lld %lld %lld", &swap_stat.total, &swap_stat.used, &swap_stat.free))!=3){
69 <                fclose(f);
101 >        if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){
102                  return NULL;
103          }
104 <        fclose(f);
104 >        pagesize=getpagesize();
105 >
106 >        swap_stat.total= (long long)swapinfo.ksw_total * (long long)pagesize;
107 >        swap_stat.used = (long long)swapinfo.ksw_used * (long long)pagesize;
108 >        swap_stat.free = swap_stat.total-swap_stat.used;
109   #endif
110 + #ifdef NETBSD
111 +        if ((uvm = get_uvmexp()) == NULL) {
112 +                return NULL;
113 +        }
114  
115 +        swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages;
116 +        swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse;
117 +        swap_stat.free = swap_stat.total - swap_stat.used;
118 + #endif
119          return &swap_stat;
120  
121   }

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