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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 1.12 by tdb, Thu Feb 12 23:04:52 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	+	#include <unistd.h>
41	+	#include <sys/types.h>
42	+	#include <kvm.h>
43	+	#endif
44	+	#ifdef OPENBSD
45	+	#include <stdlib.h>
46	+	#include <sys/param.h>
47	+	#include <sys/sysctl.h>
48	+	#include <uvm/uvm.h>
49	+	#endif
50
51		swap_stat_t *get_swap_stats(){
52
53		static swap_stat_t swap_stat;
54
55	+	#ifdef SOLARIS
56		struct anoninfo ai;
57		int pagesize;
58	+	#endif
59	+	#if defined(LINUX) || defined(CYGWIN)
60	+	FILE *f;
61	+	char *line_ptr;
62	+	unsigned long long value;
63	+	#endif
64	+	#ifdef FREEBSD
65	+	struct kvm_swap swapinfo;
66	+	int pagesize;
67	+	kvm_t *kvmd;
68	+	#endif
69	+	#if defined(NETBSD) || defined(OPENBSD)
70	+	struct uvmexp *uvm;
71	+	#endif
72	+	#ifdef OPENBSD
73	+	int mib[2];
74	+	size_t size;
75	+	#endif
76
77	+	#ifdef SOLARIS
78		if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
79		return NULL;
80		}
#	Line 47 | Line 84 | swap_stat_t *get_swap_stats(){
84		swap_stat.total = (long long)ai.ani_max * (long long)pagesize;
85		swap_stat.used = (long long)ai.ani_resv * (long long)pagesize;
86		swap_stat.free = swap_stat.total - swap_stat.used;
87	+	#endif
88	+	#if defined(LINUX) || defined(CYGWIN)
89	+	if ((f = fopen("/proc/meminfo", "r")) == NULL) {
90	+	return NULL;
91	+	}
92	+
93	+	while ((line_ptr = f_read_line(f, "")) != NULL) {
94	+	if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) {
95	+	continue;
96	+	}
97	+	value *= 1024;
98	+
99	+	if (strncmp(line_ptr, "SwapTotal:", 10) == 0) {
100	+	swap_stat.total = value;
101	+	} else if (strncmp(line_ptr, "SwapFree:", 9) == 0) {
102	+	swap_stat.free = value;
103	+	}
104	+	}
105	+
106	+	fclose(f);
107	+	swap_stat.used = swap_stat.total - swap_stat.free;
108	+	#endif
109	+	#ifdef FREEBSD
110	+	if((kvmd = get_kvm()) == NULL){
111	+	return NULL;
112	+	}
113	+	if ((kvm_getswapinfo(kvmd, &swapinfo, 1,0)) == -1){
114	+	return NULL;
115	+	}
116	+	pagesize=getpagesize();
117	+
118	+	swap_stat.total= (long long)swapinfo.ksw_total * (long long)pagesize;
119	+	swap_stat.used = (long long)swapinfo.ksw_used * (long long)pagesize;
120	+	swap_stat.free = swap_stat.total-swap_stat.used;
121	+	#endif
122	+	#ifdef NETBSD
123	+	if ((uvm = get_uvmexp()) == NULL) {
124	+	return NULL;
125	+	}
126	+	#endif
127	+	#ifdef OPENBSD
128	+	mib[0] = CTL_VM;
129	+	mib[1] = VM_UVMEXP;
130	+
131	+	if (sysctl(mib, 2, NULL, &size, NULL, 0) < 0) {
132	+	return NULL;
133	+	}
134	+
135	+	uvm = malloc(size);
136	+	if (uvm == NULL) {
137	+	return NULL;
138	+	}
139	+
140	+	if (sysctl(mib, 2, uvm, &size, NULL, 0) < 0) {
141	+	return NULL;
142	+	}
143	+	#endif
144	+
145	+	#if defined(NETBSD) || defined(OPENBSD)
146	+	swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages;
147	+	swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse;
148	+	swap_stat.free = swap_stat.total - swap_stat.used;
149	+	#endif
150	+
151	+	#ifdef OPENBSD
152	+	free(uvm);
153	+	#endif
154
155		return &swap_stat;
156

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