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root/i-scream/projects/libstatgrab/src/libstatgrab/swap_stats.c

Comparing projects/libstatgrab/src/libstatgrab/swap_stats.c (file contents):
Revision 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.15 by tdb, Sat Feb 14 19:03:35 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	>	* $Id$
22		*/
23
24		#ifdef HAVE_CONFIG_H
25		#include "config.h"
26		#endif
27
25	–	#include <stdio.h>
26	–	#include "ukcprog.h"
28		#include "statgrab.h"
29	+	#include "tools.h"
30		#ifdef SOLARIS
31		#include <sys/stat.h>
32		#include <sys/swap.h>
33		#include <unistd.h>
34		#endif
35	+	#if defined(LINUX) || defined(CYGWIN)
36	+	#include <stdio.h>
37	+	#include <string.h>
38	+	#endif
39	+	#ifdef FREEBSD
40	+	#ifdef FREEBSD5
41	+	#include <sys/param.h>
42	+	#include <sys/sysctl.h>
43	+	#include <sys/user.h>
44	+	#else
45	+	#include <unistd.h>
46	+	#include <sys/types.h>
47	+	#include <kvm.h>
48	+	#endif
49	+	#endif
50	+	#if defined(NETBSD) || defined(OPENBSD)
51	+	#include <sys/param.h>
52	+	#include <sys/time.h>
53	+	#include <uvm/uvm.h>
54	+	#endif
55
56		swap_stat_t *get_swap_stats(){
57
58		static swap_stat_t swap_stat;
59
60	+	#ifdef SOLARIS
61		struct anoninfo ai;
62		int pagesize;
63	+	#endif
64	+	#if defined(LINUX) || defined(CYGWIN)
65	+	FILE *f;
66	+	char *line_ptr;
67	+	unsigned long long value;
68	+	#endif
69	+	#ifdef FREEBSD
70	+	int pagesize;
71	+	#ifdef FREEBSD5
72	+	struct xswdev xsw;
73	+	int mib[16], n;
74	+	size_t mibsize, size;
75	+	#else
76	+	struct kvm_swap swapinfo;
77	+	kvm_t *kvmd;
78	+	#endif
79	+	#endif
80	+	#if defined(NETBSD) || defined(OPENBSD)
81	+	struct uvmexp *uvm;
82	+	#endif
83
84	+	#ifdef SOLARIS
85		if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
86		return NULL;
87		}
#	Line 47 | Line 91 | swap_stat_t *get_swap_stats(){
91		swap_stat.total = (long long)ai.ani_max * (long long)pagesize;
92		swap_stat.used = (long long)ai.ani_resv * (long long)pagesize;
93		swap_stat.free = swap_stat.total - swap_stat.used;
94	+	#endif
95	+	#if defined(LINUX) || defined(CYGWIN)
96	+	if ((f = fopen("/proc/meminfo", "r")) == NULL) {
97	+	return NULL;
98	+	}
99	+
100	+	while ((line_ptr = f_read_line(f, "")) != NULL) {
101	+	if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) {
102	+	continue;
103	+	}
104	+	value *= 1024;
105	+
106	+	if (strncmp(line_ptr, "SwapTotal:", 10) == 0) {
107	+	swap_stat.total = value;
108	+	} else if (strncmp(line_ptr, "SwapFree:", 9) == 0) {
109	+	swap_stat.free = value;
110	+	}
111	+	}
112	+
113	+	fclose(f);
114	+	swap_stat.used = swap_stat.total - swap_stat.free;
115	+	#endif
116	+	#ifdef FREEBSD
117	+	pagesize=getpagesize();
118	+
119	+	#ifdef FREEBSD5
120	+	swap_stat.total = 0;
121	+	swap_stat.used = 0;
122	+
123	+	mibsize = sizeof mib / sizeof mib[0];
124	+	if (sysctlnametomib("vm.swap_info", mib, &mibsize) < 0) {
125	+	return NULL;
126	+	}
127	+	for (n = 0; ; ++n) {
128	+	mib[mibsize] = n;
129	+	size = sizeof xsw;
130	+	if (sysctl(mib, mibsize + 1, &xsw, &size, NULL, NULL) < 0) {
131	+	break;
132	+	}
133	+	if (xsw.xsw_version != XSWDEV_VERSION) {
134	+	return NULL;
135	+	}
136	+	swap_stat.total += (long long) xsw.xsw_nblks;
137	+	swap_stat.used += (long long) xsw.xsw_used;
138	+	}
139	+	if (errno != ENOENT) {
140	+	return NULL;
141	+	}
142	+	#else
143	+	if((kvmd = get_kvm()) == NULL){
144	+	return NULL;
145	+	}
146	+	if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){
147	+	return NULL;
148	+	}
149	+
150	+	swap_stat.total = (long long)swapinfo.ksw_total;
151	+	swap_stat.used = (long long)swapinfo.ksw_used;
152	+	#endif
153	+	swap_stat.total *= pagesize;
154	+	swap_stat.used *= pagesize;
155	+	swap_stat.free = swap_stat.total - swap_stat.used;
156	+	#endif
157	+	#if defined(NETBSD) || defined(OPENBSD)
158	+	if ((uvm = get_uvmexp()) == NULL) {
159	+	return NULL;
160	+	}
161	+
162	+	swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages;
163	+	swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse;
164	+	swap_stat.free = swap_stat.total - swap_stat.used;
165	+	#endif
166
167		return &swap_stat;
168

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