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

Comparing projects/libstatgrab/src/libstatgrab/disk_stats.c (file contents):
Revision 1.10 by pajs, Tue Mar 4 18:06:16 2003 UTC vs.
Revision 1.89 by tdb, Sun Oct 3 18:35:57 2010 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* i-scream central monitoring system
3	<	* http://www.i-scream.org.uk
4	<	* Copyright (C) 2000-2002 i-scream
1	>	/*
2	>	* i-scream libstatgrab
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
28	+	#include <stdio.h>
29		#include <stdlib.h>
30		#include <string.h>
31	+	#include <time.h>
32		#include "statgrab.h"
33	+	#include "vector.h"
34	+	#include "tools.h"
35
36		#ifdef SOLARIS
30	–	#include <stdio.h>
37		#include <sys/mnttab.h>
38		#include <sys/statvfs.h>
39		#include <kstat.h>
40	<	#define VALID_FS_TYPES {"ufs", "tmpfs"}
40	>	#define VALID_FS_TYPES {"ufs", "tmpfs", "vxfs", "nfs", "zfs"}
41		#endif
42
43	+	#if defined(LINUX) || defined(CYGWIN)
44	+	#include <mntent.h>
45	+	#include <sys/vfs.h>
46	+	#include <sys/statvfs.h>
47	+	#endif
48	+
49		#ifdef LINUX
50	<	#include <stdio.h>
50	>	#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \
51	>	"ext3", "ext4", "vxfs", "hfs", "hfsplus", "hpfs", \
52	>	"jffs", "jffs2", "minix", "msdos", "ntfs", "qnx4", \
53	>	"ramfs", "rootfs", "reiserfs", "sysv", "v7", "udf", \
54	>	"ufs", "umsdos", "vfat", "xfs", "jfs", "nfs", \
55	>	"ocfs", "cifs"}
56	>	#endif
57	>
58	>	#ifdef CYGWIN
59	>	#define VALID_FS_TYPES {"user"}
60	>	#endif
61	>
62	>	#ifdef ALLBSD
63	>	#include <sys/param.h>
64	>	#include <sys/ucred.h>
65	>	#include <sys/mount.h>
66	>	#endif
67	>	#if defined(FREEBSD) || defined(DFBSD)
68	>	#include <sys/dkstat.h>
69	>	#include <devstat.h>
70	>	#include <sys/param.h>
71	>	#include <sys/mount.h>
72	>	#include <sys/sysctl.h>
73	>	/*#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \
74	>	"ufs", "mfs", "nfs", "zfs", "tmpfs", "reiserfs", \
75	>	"xfs"}*/
76	>	static char **VALID_FS_TYPES;
77	>	static size_t n_valid_fs_types;
78	>	#endif
79	>	#if defined(NETBSD) || defined(OPENBSD)
80	>	#include <sys/param.h>
81	>	#include <sys/sysctl.h>
82	>	#include <sys/disk.h>
83	>	#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \
84	>	"ntfs", "nfs"}
85	>	#endif
86	>
87	>	#ifdef HPUX
88	>	#include <sys/param.h>
89	>	#include <sys/pstat.h>
90	>	#include <sys/types.h>
91	>	#include <sys/stat.h>
92		#include <sys/vfs.h>
93		#include <mntent.h>
94	<	#include "tools.h"
95	<	#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"}
94	>	#include <dirent.h>
95	>	#include <stdio.h>
96	>	#include <time.h>
97	>	#define VALID_FS_TYPES {"vxfs", "hfs", "nfs"}
98	>	#define DISK_BATCH 30
99		#endif
100
101	<	#define START_VAL 1
101	>	#ifdef AIX
102	>	#include <unistd.h>
103	>	#include <errno.h>
104	>	#include <ctype.h>
105	>	#include <fcntl.h>
106	>	#include <fstab.h>
107	>	#include <sys/statfs.h>
108	>	#include <sys/mntctl.h>
109	>	#include <sys/vmount.h>
110	>	#include <libperfstat.h>
111	>	#define KNOWN_VALID_FS_TYPES {          \
112	>	"jfs2",         /*  0 */        \
113	>	"namefs",       /*  1 */        \
114	>	"nfs",          /*  2 */        \
115	>	"jfs",          /*  3 */        \
116	>	NULL,           /*  4 */        \
117	>	"cdrom",        /*  5 */        \
118	>	"procfs",       /*  6 */        \
119	>	NULL,           /*  7 */        \
120	>	NULL,           /*  8 */        \
121	>	NULL,           /*  9 */        \
122	>	NULL,           /* 10 */        \
123	>	NULL,           /* 11 */        \
124	>	NULL,           /* 12 */        \
125	>	NULL,           /* 13 */        \
126	>	NULL,           /* 14 */        \
127	>	NULL,           /* 15 */        \
128	>	"sfs",          /* 16 */        \
129	>	"cachefs",      /* 17 */        \
130	>	"nfs3",         /* 18 */        \
131	>	"autofs",       /* 19 */        \
132	>	NULL,           /* 20 */        \
133	>	NULL,           /* 21 */        \
134	>	NULL,           /* 22 */        \
135	>	NULL,           /* 23 */        \
136	>	NULL,           /* 24 */        \
137	>	NULL,           /* 25 */        \
138	>	NULL,           /* 26 */        \
139	>	NULL,           /* 27 */        \
140	>	NULL,           /* 28 */        \
141	>	NULL,           /* 29 */        \
142	>	NULL,           /* 30 */        \
143	>	NULL,           /* 31 */        \
144	>	"vxfs",         /* 32 */        \
145	>	"vxodm",        /* 33 */        \
146	>	"udf",          /* 34 */        \
147	>	"nfs4",         /* 35 */        \
148	>	"rfs4",         /* 36 */        \
149	>	"cifs"          /* 37 */        \
150	>	}
151	>	static char *VALID_FS_TYPES[MNT_AIXLAST + 1] = KNOWN_VALID_FS_TYPES;
152	>	extern int mntctl(int, int, void *);
153	>	#endif
154
155	<	char *copy_string(char *orig_ptr, const char *newtext){
155	>	#ifdef WIN32
156	>	#include "win32.h"
157	>	/*#define VALID_FS_TYPES {"NTFS", "FAT", "FAT32"} unused*/
158	>	#define BUFSIZE 512
159	>	#endif
160
161	<	/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */
162	<	orig_ptr=realloc(orig_ptr, (1+strlen(newtext)));
163	<	if(orig_ptr==NULL){
164	<	return NULL;
165	<	}
166	<	strcpy(orig_ptr, newtext);
161	>	#ifdef ALLBSD
162	>	#define SG_MP_FSTYPENAME(mp) (mp)->f_fstypename
163	>	#define SG_MP_DEVNAME(mp)    (mp)->f_mntfromname
164	>	#define SG_MP_MOUNTP(mp)     (mp)->f_mntonname
165	>	#define SG_FS_FRSIZE(fs)     (long long) (*(fs))->f_bsize
166	>	#define SG_FS_BSIZE(fs)      (long long) (*(fs))->f_iosize
167	>	#define SG_FS_BLOCKS(fs)     (long long) (*(fs))->f_blocks
168	>	#define SG_FS_BFREE(fs)      (long long) (*(fs))->f_bfree
169	>	#define SG_FS_BAVAIL(fs)     (long long) (*(fs))->f_bavail
170	>	#define SG_FS_FILES(fs)      (long long) (*(fs))->f_files
171	>	#define SG_FS_FFREE(fs)      (long long) (*(fs))->f_ffree
172	>	#define SG_FS_FAVAIL(fs)     -1LL
173	>	#endif
174	>	#if defined(LINUX) || defined(CYGWIN) || defined(HPUX)
175	>	#define SG_MP_FSTYPENAME(mp) (mp)->mnt_type
176	>	#define SG_MP_DEVNAME(mp)    (mp)->mnt_fsname
177	>	#define SG_MP_MOUNTP(mp)     (mp)->mnt_dir
178	>	#define SG_FS_FRSIZE(fs)     (long long) (fs).f_frsize
179	>	#define SG_FS_BSIZE(fs)      (long long) (fs).f_bsize
180	>	#define SG_FS_BLOCKS(fs)     (long long) (fs).f_blocks
181	>	#define SG_FS_BFREE(fs)      (long long) (fs).f_bfree
182	>	#define SG_FS_BAVAIL(fs)     (long long) (fs).f_bavail
183	>	#define SG_FS_FILES(fs)      (long long) (fs).f_files
184	>	#define SG_FS_FFREE(fs)      (long long) (fs).f_ffree
185	>	#define SG_FS_FAVAIL(fs)     (long long) (fs).f_favail
186	>	#endif
187	>	#ifdef SOLARIS
188	>	#define SG_MP_FSTYPENAME(mp) (mp).mnt_fstype
189	>	#define SG_MP_DEVNAME(mp)    (mp).mnt_special
190	>	#define SG_MP_MOUNTP(mp)     (mp).mnt_mountp
191	>	#define SG_FS_FRSIZE(fs)     (long long) (fs).f_frsize
192	>	#define SG_FS_BSIZE(fs)      (long long) (fs).f_bsize
193	>	#define SG_FS_BLOCKS(fs)     (long long) (fs).f_blocks
194	>	#define SG_FS_BFREE(fs)      (long long) (fs).f_bfree
195	>	#define SG_FS_BAVAIL(fs)     (long long) (fs).f_bavail
196	>	#define SG_FS_FILES(fs)      (long long) (fs).f_files
197	>	#define SG_FS_FFREE(fs)      (long long) (fs).f_ffree
198	>	#define SG_FS_FAVAIL(fs)     (long long) (fs).f_favail
199	>	#endif
200	>	#ifdef AIX
201	>	#define SG_MP_FSTYPENAME(mp) VALID_FS_TYPES[(mp)->vmt_gfstype]
202	>	#define SG_MP_DEVNAME(mp)    vmt2dataptr((mp),0)
203	>	#define SG_MP_MOUNTP(mp)     vmt2dataptr((mp),1)
204	>	#define SG_FS_FRSIZE(fs)     (fs).f_fsize
205	>	#define SG_FS_BSIZE(fs)      (fs).f_blocks
206	>	#define SG_FS_BLOCKS(fs)     (fs).f_blocks
207	>	#define SG_FS_BFREE(fs)      (fs).f_bfree
208	>	#define SG_FS_BAVAIL(fs)     (fs).f_bavail
209	>	#define SG_FS_FILES(fs)      (fs).f_files
210	>	#define SG_FS_FFREE(fs)      (fs).f_ffree
211	>	#define SG_FS_FAVAIL(fs)     ((fs).f_files - (fs).f_ffree)
212	>	#endif
213
214	<	return orig_ptr;
214	>	static void disk_stat_init(sg_fs_stats *d) {
215	>	d->device_name = NULL;
216	>	d->fs_type = NULL;
217	>	d->mnt_point = NULL;
218		}
219
220	+	static void disk_stat_destroy(sg_fs_stats *d) {
221	+	free(d->device_name);
222	+	free(d->fs_type);
223	+	free(d->mnt_point);
224	+	}
225
226	<	void init_disk_stat(int start, int end, disk_stat_t *disk_stats){
226	>	static int valid_fs_types_initialized = 0;
227
228	<	for(disk_stats+=start; start<=end; start++){
229	<	disk_stats->device_name=NULL;
230	<	disk_stats->fs_type=NULL;
231	<	disk_stats->mnt_point=NULL;
232	<
233	<	disk_stats++;
228	>	static int init_valid_fs_types() {
229	>	#if defined(FREEBSD) || defined(DFBSD)
230	>	struct xvfsconf *xvfsp;
231	>	size_t buflen;
232	>	int nbvfs = 0;
233	>
234	>	if (sysctlbyname("vfs.conflist", NULL, &buflen, NULL, 0) < 0) {
235	>	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "vfs.conflist");
236	>	return 0;
237		}
238	+	xvfsp = alloca(buflen);
239	+	if (sysctlbyname("vfs.conflist", xvfsp, &buflen, NULL, 0) < 0) {
240	+	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "vfs.conflist");
241	+	return 0;
242	+	}
243	+	n_valid_fs_types = buflen / sizeof(struct xvfsconf);
244	+	VALID_FS_TYPES = malloc( n_valid_fs_types * sizeof(char **) );
245	+	if( 0 == VALID_FS_TYPES ) {
246	+	sg_set_error_with_errno(SG_ERROR_MALLOC, "init_valid_fs_types");
247	+	return 0;
248	+	}
249	+	for (i = 0; i < n_valid_fs_types; i++) {
250	+	VALID_FS_TYPES[i] = strdup(xvfsp[i].vfc_name);
251	+	}
252	+	#elif defined(AIX)
253	+	FILE *fh;
254	+
255	+	fh = fopen("/etc/vfs", "r");
256	+	if( 0 != fh ) {
257	+	char line[4096];
258	+
259	+	while( fgets( line, 4096, fh ) ) {
260	+	char fstype[16], mnt_helper[PATH_MAX], filesys_helper[PATH_MAX], remote[16];
261	+	int  fstype_id;
262	+	if( line[0] < 'a' || line[0] > 'z' ) {
263	+	continue; /* not a valid fstype */
264	+	}
265	+	sscanf(line, "%s %d %s %s %s", fstype, &fstype_id, mnt_helper, filesys_helper, remote);
266	+	if( VALID_FS_TYPES[fstype_id] != NULL ) {
267	+	continue; /* we already know you ... */
268	+	}
269	+	VALID_FS_TYPES[fstype_id] = strdup(fstype);
270	+	}
271	+
272	+	fclose(fh);
273	+	}
274	+	return 1;
275	+	#else
276	+	return 1;
277	+	#endif
278		}
279
280	<	disk_stat_t *get_disk_stats(int *entries){
280	>	#ifndef WIN32 /* not used by WIN32, so stop compiler throwing warnings */
281	>	static int is_valid_fs_type(const char *type) {
282	>	size_t i;
283	>	#if defined(AIX)
284	>	char **types = VALID_FS_TYPES;
285	>	size_t n_valid_fs_types = sizeof VALID_FS_TYPES / sizeof *VALID_FS_TYPES;
286	>	#elif !defined(FREEBSD) && !defined(DFBSD)
287	>	const char *types[] = VALID_FS_TYPES;
288	>	size_t n_valid_fs_types = sizeof types / sizeof *types;
289	>	#else
290	>	char **types = VALID_FS_TYPES;
291	>	#endif
292
293	<	static disk_stat_t *disk_stats;
294	<	static int watermark=-1;
293	>	for (i = 0; i < n_valid_fs_types; i++) {
294	>	if( types[i] == NULL) {
295	>	continue;
296	>	}
297	>	if (strcmp(types[i], type) == 0) {
298	>	return 1;
299	>	}
300	>	}
301
302	<	char *fs_types[] = VALID_FS_TYPES;
303	<	int x, valid_type;
302	>	return 0;
303	>	}
304	>	#endif
305	>
306	>	sg_fs_stats *sg_get_fs_stats(int *entries){
307	>	VECTOR_DECLARE_STATIC(disk_stats, sg_fs_stats, 10,
308	>	disk_stat_init, disk_stat_destroy);
309	>
310		int num_disks=0;
311	+	#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) || defined(HPUX)
312		FILE *f;
313	+	#endif
314
315	<	disk_stat_t *disk_ptr;
315	>	sg_fs_stats *disk_ptr;
316
317		#ifdef SOLARIS
318	<	struct mnttab *mp;
318	>	struct mnttab mp;
319		struct statvfs fs;
320		#endif
321	<	#ifdef LINUX
321	>	#if defined(LINUX) || defined(CYGWIN) || defined(HPUX)
322		struct mntent *mp;
323	<	struct statfs fs;
323	>	struct statvfs fs;
324		#endif
325	+	#ifdef ALLBSD
326	+	int nummnt;
327	+	#ifdef HAVE_STATVFS
328	+	struct statvfs *mp, **fs;
329	+	#else
330	+	struct statfs *mp, **fs;
331	+	#endif
332	+	#endif
333	+	#ifdef WIN32
334	+	char lp_buf[MAX_PATH];
335	+	char volume_name_buf[BUFSIZE];
336	+	char filesys_name_buf[BUFSIZE];
337	+	char drive[4] = " :\\";
338	+	char *p;
339	+	lp_buf[0]='\0';
340	+	#endif
341	+	#ifdef AIX
342	+	struct vmount *buf, *mp;
343	+	int rc, i;
344	+	size_t bufsize = 4096;
345	+	struct statfs64 fs;
346	+	#endif
347
348	<	if(watermark==-1){
349	<	disk_stats=malloc(START_VAL * sizeof(disk_stat_t));
350	<	if(disk_stats==NULL){
95	<	return NULL;
96	<	}
97	<	watermark=START_VAL;
98	<	init_disk_stat(0, watermark-1, disk_stats);
348	>	if( !valid_fs_types_initialized ) {
349	>	init_valid_fs_types();
350	>	valid_fs_types_initialized = 1;
351		}
352	<	#ifdef LINUX
352	>
353	>	#ifdef ALLBSD
354	>	nummnt=getmntinfo(&mp, MNT_WAIT);
355	>	if (nummnt<=0){
356	>	sg_set_error_with_errno(SG_ERROR_GETMNTINFO, NULL);
357	>	return NULL;
358	>	}
359	>	for(fs = &mp; nummnt--; (*fs)++){
360	>	#endif
361	>
362	>	#if defined(LINUX) || defined(CYGWIN) || defined(HPUX)
363	>	#ifdef MNT_MNTTAB
364	>	if ((f=setmntent(MNT_MNTTAB, "r" ))==NULL){
365	>	#else
366		if ((f=setmntent("/etc/mtab", "r" ))==NULL){
367	+	#endif
368	+	sg_set_error(SG_ERROR_SETMNTENT, NULL);
369		return NULL;
370		}
371
372		while((mp=getmntent(f))){
373	<	if((statfs(mp->mnt_dir, &fs)) !=0){
373	>	if((statvfs(mp->mnt_dir, &fs)) !=0){
374		continue;
375		}
376
110	–	valid_type=0;
111	–	for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){
112	–	if(strcmp(mp->mnt_type, fs_types[x]) ==0){
113	–	valid_type=1;
114	–	break;
115	–	}
116	–	}
377		#endif
378
379		#ifdef SOLARIS
380		if ((f=fopen("/etc/mnttab", "r" ))==NULL){
381	+	sg_set_error_with_errno(SG_ERROR_OPEN, "/etc/mnttab");
382		return NULL;
383		}
384		while((getmntent(f, &mp)) == 0){
385		if ((statvfs(mp.mnt_mountp, &fs)) !=0){
386		continue;
387		}
388	<	valid_type=0;
389	<	for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){
390	<	if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){
391	<	valid_type=1;
392	<	break;
393	<	}
388	>	#endif
389	>
390	>	#ifdef AIX
391	>	buf = malloc( bufsize );
392	>	if( 0 == buf ) {
393	>	sg_set_error_with_errno(SG_ERROR_MALLOC, "mntctl");
394	>	return NULL;
395	>	}
396	>
397	>	rc = mntctl( MCTL_QUERY, bufsize, buf );
398	>	if( 0 == rc )
399	>	{
400	>	bufsize = buf->vmt_revision;
401	>	void *newbuf = realloc( buf, bufsize );
402	>	if( 0 == newbuf ) {
403	>	sg_set_error_with_errno(SG_ERROR_MALLOC, "mntctl");
404	>	free(buf);
405	>	return NULL;
406		}
407	+	buf = newbuf;
408	+
409	+	rc = mntctl( MCTL_QUERY, bufsize, buf );
410	+	}
411	+
412	+	if( -1 == rc ) {
413	+	sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "mntctl");
414	+	return NULL;
415	+	}
416	+
417	+	for( i = 0, mp = buf;
418	+	i < rc;
419	+	++i, mp = (struct vmount *)(((char *)mp) + mp->vmt_length ) )
420	+	{
421	+	int fd;
422	+	if((fd = open(vmt2dataptr((mp),1), O_RDONLY)) == -1) {
423	+	continue;
424	+	}
425	+	if(fstatfs64(fd, &fs) == -1) {
426	+	continue;
427	+	}
428	+
429		#endif
430
431	<	if(valid_type){
432	<	if(num_disks>watermark-1){
433	<	disk_ptr=disk_stats;
434	<	if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){
435	<	disk_stats=disk_ptr;
436	<	return NULL;
437	<	}
431	>	#ifdef WIN32
432	>	if (!(GetLogicalDriveStrings(BUFSIZE-1, lp_buf))) {
433	>	sg_set_error(SG_ERROR_GETMNTINFO, "GetLogicalDriveStrings");
434	>	return NULL;
435	>	}
436	>	p = lp_buf;
437	>	do {
438	>	// Copy drive letter to template string
439	>	*drive = *p;
440	>	// Only interested in harddrives.
441	>	int drive_type = GetDriveType(drive);
442
443	<	watermark=watermark*2;
444	<	init_disk_stat(num_disks, watermark-1, disk_stats);
443	>	if(drive_type == DRIVE_FIXED) {
444	>	#else
445	>	if(is_valid_fs_type(SG_MP_FSTYPENAME(mp))){
446	>	#endif
447	>	if (VECTOR_RESIZE(disk_stats, num_disks + 1) < 0) {
448	>	return NULL;
449		}
147	–
450		disk_ptr=disk_stats+num_disks;
451	<	#ifdef LINUX
452	<	if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){
451	>
452	>	#ifndef WIN32
453	>	/* Maybe make this char[bigenough] and do strncpy's and put a null in the end?
454	>	* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob
455	>	* be upwards of a k each
456	>	*/
457	>	if (sg_update_string(&disk_ptr->device_name, SG_MP_DEVNAME(mp)) < 0) {
458		return NULL;
459		}
460	<
154	<	if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->mnt_type))==NULL){
460	>	if (sg_update_string(&disk_ptr->fs_type, SG_MP_FSTYPENAME(mp)) < 0) {
461		return NULL;
462		}
463	<
158	<	if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->mnt_dir))==NULL){
463	>	if (sg_update_string(&disk_ptr->mnt_point, SG_MP_MOUNTP(mp)) < 0) {
464		return NULL;
465		}
161	–	disk_ptr->size = (long long)fs.f_bsize * (long long)fs.f_blocks;
162	–	disk_ptr->avail = (long long)fs.f_bsize * (long long)fs.f_bavail;
163	–	disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_bsize * (long long)fs.f_bfree);
466
467	<	disk_ptr->total_inodes=(long long)fs.f_files;
468	<	disk_ptr->free_inodes=(long long)fs.f_ffree;
469	<	/* Linux doesn't have a "available" inodes */
470	<	disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes;
471	<	#endif
467	>	disk_ptr->size  = SG_FS_FRSIZE(fs) * SG_FS_BLOCKS(fs);
468	>	disk_ptr->avail = SG_FS_FRSIZE(fs) * SG_FS_BAVAIL(fs);
469	>	disk_ptr->used  = (disk_ptr->size) - (SG_FS_FRSIZE(fs) * SG_FS_BFREE(fs));
470	>
471	>	disk_ptr->total_inodes = SG_FS_FILES(fs);
472	>	disk_ptr->free_inodes  = SG_FS_FFREE(fs);
473	>	/* Linux, FreeBSD don't have a "available" inodes */
474	>	disk_ptr->used_inodes  = disk_ptr->total_inodes - disk_ptr->free_inodes;
475	>	disk_ptr->avail_inodes = SG_FS_FAVAIL(fs);
476
477	<	#ifdef SOLARIS
478	<	/* Memory leak in event of realloc failing */
479	<	/* Maybe make this char[bigenough] and do strncpy's and put a null in the end?
480	<	* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob
481	<	* be upwards of a k each
482	<	*/
483	<	if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){
477	>	disk_ptr->io_size      = SG_FS_BSIZE(fs);
478	>	disk_ptr->block_size   = SG_FS_FRSIZE(fs);
479	>	disk_ptr->total_blocks = SG_FS_BLOCKS(fs);
480	>	disk_ptr->free_blocks  = SG_FS_BFREE(fs);
481	>	disk_ptr->avail_blocks = SG_FS_BAVAIL(fs);
482	>	disk_ptr->used_blocks  = disk_ptr->total_blocks - disk_ptr->free_blocks;
483	>	#else
484	>	if(!GetVolumeInformation(drive, volume_name_buf, BUFSIZE,
485	>	NULL, NULL, NULL,
486	>	filesys_name_buf, BUFSIZE)) {
487	>	sg_set_error_with_errno(SG_ERROR_DISKINFO,
488	>	"GetVolumeInformation");
489		return NULL;
490		}
491
492	<	if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){
493	<	return NULL;
494	<	}
495	<
496	<	if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp.mnt_mountp))==NULL){
497	<	return NULL;
498	<	}
499	<
500	<	disk_ptr->size = (long long)fs.f_frsize * (long long)fs.f_blocks;
501	<	disk_ptr->avail = (long long)fs.f_frsize * (long long)fs.f_bavail;
502	<	disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_frsize * (long long)fs.f_bfree);
503	<
504	<	disk_ptr->total_inodes=(long long)fs.f_files;
505	<	disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree;
506	<	disk_ptr->free_inodes=(long long)fs.f_favail;
492	>	if (sg_update_string(&disk_ptr->device_name,
493	>	volume_name_buf) < 0) {
494	>	return NULL;
495	>	}
496	>	if (sg_update_string(&disk_ptr->fs_type,
497	>	filesys_name_buf) < 0) {
498	>	return NULL;
499	>	}
500	>	if (sg_update_string(&disk_ptr->mnt_point,
501	>	drive) < 0) {
502	>	return NULL;
503	>	}
504	>	if (!GetDiskFreeSpaceEx(drive, NULL,
505	>	(PULARGE_INTEGER)&disk_ptr->size,
506	>	(PULARGE_INTEGER)&disk_ptr->avail)) {
507	>	sg_set_error_with_errno(SG_ERROR_DISKINFO,
508	>	"GetDiskFreeSpaceEx");
509	>	return NULL;
510	>	}
511	>	disk_ptr->used = disk_ptr->size - disk_ptr->avail;
512	>	disk_ptr->total_inodes = 0;
513	>	disk_ptr->free_inodes  = 0;
514	>	disk_ptr->used_inodes  = 0;
515	>	disk_ptr->avail_inodes = 0;
516	>
517	>	/* I dunno what to do with these... so have nothing */
518	>	disk_ptr->io_size = 0;
519	>	disk_ptr->block_size = 0;
520	>	disk_ptr->total_blocks = 0;
521	>	disk_ptr->free_blocks = 0;
522	>	disk_ptr->avail_blocks = 0;
523	>	disk_ptr->used_blocks = 0;
524		#endif
525		num_disks++;
526		}
527	+	#ifdef WIN32
528	+	while(*p++);
529	+	} while(*p);
530	+	#else
531		}
532	+	#endif
533
534		*entries=num_disks;
535
536	<	/* If this fails, there is very little i can do about it, so i'll ignore it :) */
536	>	/* If this fails, there is very little i can do about it, so
537	>	I'll ignore it :) */
538	>	#if defined(LINUX) || defined(CYGWIN) || defined(HPUX)
539	>	endmntent(f);
540	>	#endif
541	>	#if defined(SOLARIS)
542		fclose(f);
543	+	#endif
544
545		return disk_stats;
546
547		}
209	–	void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){
548
549	<	for(diskio_stats+=start; start<end; start++){
550	<	diskio_stats->disk_name=NULL;
551	<
552	<	diskio_stats++;
553	<	}
549	>	int sg_fs_compare_device_name(const void *va, const void *vb) {
550	>	const sg_fs_stats *a = (const sg_fs_stats *)va;
551	>	const sg_fs_stats *b = (const sg_fs_stats *)vb;
552	>
553	>	return strcmp(a->device_name, b->device_name);
554		}
555
556	<	diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){
556	>	int sg_fs_compare_mnt_point(const void *va, const void *vb) {
557	>	const sg_fs_stats *a = (const sg_fs_stats *)va;
558	>	const sg_fs_stats *b = (const sg_fs_stats *)vb;
559
560	<	if(diskio_stats==NULL){
560	>	return strcmp(a->mnt_point, b->mnt_point);
561	>	}
562
563	<	if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){
564	<	return NULL;
565	<	}
225	<	diskio_stat_init(0, needed_entries, diskio_stats);
226	<	*cur_entries=needed_entries;
563	>	static void diskio_stat_init(sg_disk_io_stats *d) {
564	>	d->disk_name = NULL;
565	>	}
566
567	<	return diskio_stats;
568	<	}
230	<
231	<
232	<	if(*cur_entries<needed_entries){
233	<	diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries));
234	<	if(diskio_stats==NULL){
235	<	return NULL;
236	<	}
237	<	diskio_stat_init(*cur_entries, needed_entries, diskio_stats);
238	<	*cur_entries=needed_entries;
239	<	}
240	<
241	<	return diskio_stats;
567	>	static void diskio_stat_destroy(sg_disk_io_stats *d) {
568	>	free(d->disk_name);
569		}
570
571	<	static diskio_stat_t *diskio_stats=NULL;
572	<	static int num_diskio=0;
571	>	VECTOR_DECLARE_STATIC(diskio_stats, sg_disk_io_stats, 10,
572	>	diskio_stat_init, diskio_stat_destroy);
573
574	<	diskio_stat_t *get_diskio_stats(int *entries){
574	>	#ifdef LINUX
575	>	typedef struct {
576	>	int major;
577	>	int minor;
578	>	} partition;
579	>	#endif
580
581	<	static int sizeof_diskio_stats=0;
582	<	diskio_stat_t *diskio_stats_ptr;
581	>	sg_disk_io_stats *sg_get_disk_io_stats(int *entries){
582	>	int num_diskio;
583	>	#ifndef LINUX
584	>	sg_disk_io_stats *diskio_stats_ptr;
585	>	#endif
586
587	+	#ifdef HPUX
588	+	long long rbytes = 0, wbytes = 0;
589	+	struct dirent *dinfo = NULL;
590	+	struct stat lstatinfo;
591	+	struct pst_diskinfo pstat_diskinfo[DISK_BATCH];
592	+	char fullpathbuf[1024] = {0};
593	+	dev_t diskid;
594	+	DIR *dh = NULL;
595	+	int diskidx = 0;
596	+	int num, i;
597	+	#endif
598		#ifdef SOLARIS
599	<	kstat_ctl_t *kc;
600	<	kstat_t *ksp;
599	>	kstat_ctl_t *kc;
600	>	kstat_t *ksp;
601		kstat_io_t kios;
602		#endif
603		#ifdef LINUX
604		FILE *f;
605		char *line_ptr;
606		int major, minor;
607	<	char dev_letter;
607	>	int has_pp_stats = 1;
608	>	VECTOR_DECLARE_STATIC(parts, partition, 16, NULL, NULL);
609	>	int i, n;
610	>	time_t now;
611	>	const char *format;
612	>	static regex_t not_part_re, part_re;
613	>	static int re_compiled = 0;
614		#endif
615	+	#if defined(FREEBSD) || defined(DFBSD)
616	+	static struct statinfo stats;
617	+	static int stats_init = 0;
618	+	int counter;
619	+	struct device_selection *dev_sel = NULL;
620	+	int n_selected, n_selections;
621	+	long sel_gen;
622	+	struct devstat *dev_ptr;
623	+	#endif
624	+	#ifdef NETBSD
625	+	struct disk_sysctl *stats;
626	+	#endif
627	+	#ifdef OPENBSD
628	+	int diskcount;
629	+	char *disknames, *name, *bufpp;
630	+	char **dk_name;
631	+	struct diskstats *stats;
632	+	#endif
633	+	#ifdef NETBSD
634	+	#define MIBSIZE 3
635	+	#endif
636	+	#ifdef OPENBSD
637	+	#define MIBSIZE 2
638	+	#endif
639	+	#if defined(NETBSD) || defined(OPENBSD)
640	+	int num_disks, i;
641	+	int mib[MIBSIZE];
642	+	size_t size;
643	+	#endif
644	+	#ifdef AIX
645	+	int ret, disks;
646	+	perfstat_disk_t *dskperf;
647	+	perfstat_id_t name;
648	+	#endif
649	+	#ifdef WIN32
650	+	char *name;
651	+	long long rbytes;
652	+	long long wbytes;
653	+	#endif
654
655		num_diskio=0;
656
657	+	#ifdef AIX
658	+	/* check how many perfstat_disk_t structures are available */
659	+	disks = perfstat_disk(NULL, NULL, sizeof(perfstat_disk_t), 0);
660	+	if(disks==-1) {
661	+	sg_set_error_with_errno(SG_ERROR_PSTAT, "perfstat_disk(NULL)");
662	+	return NULL;
663	+	}
664	+
665	+	dskperf = malloc( sizeof(perfstat_disk_t) * disks);
666	+	if( 0 == dskperf ) {
667	+	sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_disk_io_stats");
668	+	return NULL;
669	+	}
670	+
671	+	name.name[0]=0;
672	+	ret = perfstat_disk(&name, dskperf, sizeof(perfstat_disk_t), disks);
673	+	if(ret == -1) {
674	+	sg_set_error_with_errno(SG_ERROR_PSTAT, "perfstat_disk");
675	+	return NULL;
676	+	}
677	+
678	+	for (num_diskio = 0; num_diskio < ret; num_diskio++) {
679	+
680	+	if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) {
681	+	return NULL;
682	+	}
683	+
684	+	diskio_stats_ptr = diskio_stats + num_diskio;
685	+
686	+	diskio_stats_ptr->read_bytes = dskperf[num_diskio].bsize * dskperf[num_diskio].rblks;
687	+	diskio_stats_ptr->write_bytes = dskperf[num_diskio].bsize * dskperf[num_diskio].wblks;
688	+	diskio_stats_ptr->systime = dskperf[num_diskio].time;
689	+
690	+	if (diskio_stats_ptr->disk_name == NULL) {
691	+	int i;
692	+	for(i = 0; i < IDENTIFIER_LENGTH; ++i) {
693	+	char *s = dskperf[num_diskio].name + i;
694	+	if( !(isalpha(*s) || isdigit(*s) ||
695	+	*s == '-' || *s == '_' || *s == ' ') ) {
696	+	*s = 0;
697	+	break;
698	+	}
699	+	}
700	+	if (sg_update_string(&diskio_stats_ptr->disk_name, dskperf[num_diskio].name) < 0) {
701	+	return NULL;
702	+	}
703	+	}
704	+	}
705	+	#endif
706	+
707	+	#ifdef HPUX
708	+	while (1) {
709	+	num = pstat_getdisk(pstat_diskinfo, sizeof pstat_diskinfo[0],
710	+	DISK_BATCH, diskidx);
711	+	if (num == -1) {
712	+	sg_set_error_with_errno(SG_ERROR_PSTAT,
713	+	"pstat_getdisk");
714	+	return NULL;
715	+	} else if (num == 0) {
716	+	break;
717	+	}
718	+
719	+	for (i = 0; i < num; i++) {
720	+	struct pst_diskinfo *di = &pstat_diskinfo[i];
721	+
722	+	/* Skip "disabled" disks. */
723	+	if (di->psd_status == 0) {
724	+	continue;
725	+	}
726	+
727	+	/* We can't seperate the reads from the writes, we'll
728	+	* just give the same to each. (This value is in
729	+	* 64-byte chunks according to the pstat header file,
730	+	* and can wrap to be negative.)
731	+	*/
732	+	rbytes = wbytes = ((unsigned long) di->psd_dkwds) * 64LL;
733	+
734	+	/* Skip unused disks. */
735	+	if (rbytes == 0 && wbytes == 0) {
736	+	continue;
737	+	}
738	+
739	+	if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) {
740	+	return NULL;
741	+	}
742	+
743	+	diskio_stats_ptr = diskio_stats + num_diskio;
744	+
745	+	diskio_stats_ptr->read_bytes = rbytes;
746	+	diskio_stats_ptr->write_bytes = wbytes;
747	+
748	+	diskio_stats_ptr->systime = time(NULL);
749	+
750	+	num_diskio++;
751	+
752	+	/* FIXME This should use a static cache, like the Linux
753	+	* code below. */
754	+	if (diskio_stats_ptr->disk_name == NULL) {
755	+	dh = opendir("/dev/dsk");
756	+	if (dh == NULL) {
757	+	continue;
758	+	}
759	+
760	+	diskid = (di->psd_dev.psd_major << 24) | di->psd_dev.psd_minor;
761	+	while (1) {
762	+	dinfo = readdir(dh);
763	+	if (dinfo == NULL) {
764	+	break;
765	+	}
766	+	snprintf(fullpathbuf, sizeof(fullpathbuf), "/dev/dsk/%s", dinfo->d_name);
767	+	if (lstat(fullpathbuf, &lstatinfo) < 0) {
768	+	continue;
769	+	}
770	+
771	+	if (lstatinfo.st_rdev == diskid) {
772	+	if (sg_update_string(&diskio_stats_ptr->disk_name, dinfo->d_name) < 0) {
773	+	return NULL;
774	+	}
775	+	break;
776	+	}
777	+	}
778	+	closedir(dh);
779	+
780	+	if (diskio_stats_ptr->disk_name == NULL) {
781	+	if (sg_update_string(&diskio_stats_ptr->disk_name, di->psd_hw_path.psh_name) < 0) {
782	+	return NULL;
783	+	}
784	+	}
785	+	}
786	+	}
787	+	diskidx = pstat_diskinfo[num - 1].psd_idx + 1;
788	+	}
789	+	#endif
790	+	#ifdef OPENBSD
791	+	mib[0] = CTL_HW;
792	+	mib[1] = HW_DISKCOUNT;
793	+
794	+	size = sizeof(diskcount);
795	+	if (sysctl(mib, MIBSIZE, &diskcount, &size, NULL, 0) < 0) {
796	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKCOUNT");
797	+	return NULL;
798	+	}
799	+
800	+	mib[0] = CTL_HW;
801	+	mib[1] = HW_DISKNAMES;
802	+
803	+	if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) {
804	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES");
805	+	return NULL;
806	+	}
807	+
808	+	disknames = sg_malloc(size);
809	+	if (disknames == NULL) {
810	+	return NULL;
811	+	}
812	+
813	+	if (sysctl(mib, MIBSIZE, disknames, &size, NULL, 0) < 0) {
814	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES");
815	+	return NULL;
816	+	}
817	+
818	+	dk_name = sg_malloc(diskcount * sizeof(char *));
819	+	bufpp = disknames;
820	+	for (i = 0; i < diskcount && (name = strsep(&bufpp, ",")) != NULL; i++) {
821	+	dk_name[i] = name;
822	+	}
823	+	#endif
824	+
825	+	#if defined(NETBSD) || defined(OPENBSD)
826	+	mib[0] = CTL_HW;
827	+	mib[1] = HW_DISKSTATS;
828	+	#ifdef NETBSD
829	+	mib[2] = sizeof(struct disk_sysctl);
830	+	#endif
831	+
832	+	if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) {
833	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS");
834	+	return NULL;
835	+	}
836	+
837	+	#ifdef NETBSD
838	+	num_disks = size / sizeof(struct disk_sysctl);
839	+	#else
840	+	num_disks = size / sizeof(struct diskstats);
841	+	#endif
842	+
843	+	stats = sg_malloc(size);
844	+	if (stats == NULL) {
845	+	return NULL;
846	+	}
847	+
848	+	if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) {
849	+	sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS");
850	+	return NULL;
851	+	}
852	+
853	+	for (i = 0; i < num_disks; i++) {
854	+	const char *name;
855	+	u_int64_t rbytes, wbytes;
856	+
857	+	#ifdef NETBSD
858	+	#ifdef HAVE_DK_RBYTES
859	+	rbytes = stats[i].dk_rbytes;
860	+	wbytes = stats[i].dk_wbytes;
861	+	#else
862	+	/* Before 2.0, NetBSD merged reads and writes. */
863	+	rbytes = wbytes = stats[i].dk_bytes;
864	+	#endif
865	+	#else
866	+	#ifdef HAVE_DS_RBYTES
867	+	rbytes = stats[i].ds_rbytes;
868	+	wbytes = stats[i].ds_wbytes;
869	+	#else
870	+	/* Before 3.5, OpenBSD merged reads and writes */
871	+	rbytes = wbytes = stats[i].ds_bytes;
872	+	#endif
873	+	#endif
874	+
875	+	/* Don't keep stats for disks that have never been used. */
876	+	if (rbytes == 0 && wbytes == 0) {
877	+	continue;
878	+	}
879	+
880	+	if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) {
881	+	return NULL;
882	+	}
883	+	diskio_stats_ptr = diskio_stats + num_diskio;
884	+
885	+	diskio_stats_ptr->read_bytes = rbytes;
886	+	diskio_stats_ptr->write_bytes = wbytes;
887	+	#ifdef NETBSD
888	+	name = stats[i].dk_name;
889	+	#else
890	+	name = dk_name[i];
891	+	#endif
892	+	if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) {
893	+	return NULL;
894	+	}
895	+	diskio_stats_ptr->systime = time(NULL);
896	+
897	+	num_diskio++;
898	+	}
899	+
900	+	free(stats);
901	+	#ifdef OPENBSD
902	+	free(dk_name);
903	+	free(disknames);
904	+	#endif
905	+	#endif
906	+
907	+	#if defined(FREEBSD) || defined(DFBSD)
908	+	if (!stats_init) {
909	+	stats.dinfo=sg_malloc(sizeof(struct devinfo));
910	+	if(stats.dinfo==NULL) return NULL;
911	+	bzero(stats.dinfo, sizeof(struct devinfo));
912	+	stats_init = 1;
913	+	}
914	+	#ifdef FREEBSD5
915	+	if ((devstat_getdevs(NULL, &stats)) < 0) {
916	+	/* FIXME devstat functions return a string error in
917	+	devstat_errbuf */
918	+	sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL);
919	+	return NULL;
920	+	}
921	+	/* Not aware of a get all devices, so i said 999. If we ever
922	+	* find a machine with more than 999 disks, then i'll change
923	+	* this number :)
924	+	*/
925	+	if (devstat_selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) {
926	+	sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL);
927	+	return NULL;
928	+	}
929	+	#else
930	+	if ((getdevs(&stats)) < 0) {
931	+	sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL);
932	+	return NULL;
933	+	}
934	+	/* Not aware of a get all devices, so i said 999. If we ever
935	+	* find a machine with more than 999 disks, then i'll change
936	+	* this number :)
937	+	*/
938	+	if (selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) {
939	+	sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL);
940	+	return NULL;
941	+	}
942	+	#endif
943	+
944	+	for(counter=0;counter<stats.dinfo->numdevs;counter++){
945	+	dev_ptr=&stats.dinfo->devices[dev_sel[counter].position];
946	+
947	+	/* Throw away devices that have done nothing, ever.. Eg "odd"
948	+	* devices.. like mem, proc.. and also doesn't report floppy
949	+	* drives etc unless they are doing stuff :)
950	+	*/
951	+	#ifdef FREEBSD5
952	+	if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue;
953	+	#else
954	+	if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue;
955	+	#endif
956	+
957	+	if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) {
958	+	return NULL;
959	+	}
960	+	diskio_stats_ptr=diskio_stats+num_diskio;
961	+
962	+	#ifdef FREEBSD5
963	+	diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ];
964	+	diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE];
965	+	#else
966	+	diskio_stats_ptr->read_bytes=dev_ptr->bytes_read;
967	+	diskio_stats_ptr->write_bytes=dev_ptr->bytes_written;
968	+	#endif
969	+	if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name);
970	+	if (asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number) == -1) {
971	+	sg_set_error_with_errno(SG_ERROR_ASPRINTF, NULL);
972	+	return NULL;
973	+	}
974	+	diskio_stats_ptr->systime=time(NULL);
975	+
976	+	num_diskio++;
977	+	}
978	+	free(dev_sel);
979	+
980	+	#endif
981		#ifdef SOLARIS
982		if ((kc = kstat_open()) == NULL) {
983	<	return NULL;
984	<	}
983	>	sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
984	>	return NULL;
985	>	}
986
987		for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
988	<	if (!strcmp(ksp->ks_class, "disk")) {
988	>	if (!strcmp(ksp->ks_class, "disk")) {
989
990		if(ksp->ks_type != KSTAT_TYPE_IO) continue;
991		/* We dont want metadevices appearins as num_diskio */
992		if(strcmp(ksp->ks_module, "md")==0) continue;
993	<	if((kstat_read(kc, ksp, &kios))==-1){
993	>	if((kstat_read(kc, ksp, &kios))==-1){
994		}
995
996	<	if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){
996	>	if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) {
997		kstat_close(kc);
998		return NULL;
999		}
1000		diskio_stats_ptr=diskio_stats+num_diskio;
1001
1002		diskio_stats_ptr->read_bytes=kios.nread;
287	–
1003		diskio_stats_ptr->write_bytes=kios.nwritten;
1004	+	if (sg_update_string(&diskio_stats_ptr->disk_name,
1005	+	sg_get_svr_from_bsd(ksp->ks_name)) < 0) {
1006	+	kstat_close(kc);
1007	+	return NULL;
1008	+	}
1009	+	diskio_stats_ptr->systime=time(NULL);
1010
290	–	if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name);
291	–
292	–	diskio_stats_ptr->disk_name=strdup(ksp->ks_name);
1011		num_diskio++;
1012		}
1013		}
#	Line 298 | Line 1016 | diskio_stat_t *get_diskio_stats(int *entries){
1016		#endif
1017
1018		#ifdef LINUX
1019	<	f=fopen("/proc/stat", "r");
1020	<	if(f==NULL){
1021	<	return NULL;
1019	>	num_diskio = 0;
1020	>	n = 0;
1021	>
1022	>	/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels
1023	>	have statistics in here too, so we can use those directly.
1024	>	2.6 kernels have /proc/diskstats instead with almost (but not quite)
1025	>	the same format. */
1026	>
1027	>	f = fopen("/proc/diskstats", "r");
1028	>	format = " %d %d %99s %*d %*d %lld %*d %*d %*d %lld";
1029	>	if (f == NULL) {
1030	>	f = fopen("/proc/partitions", "r");
1031	>	format = " %d %d %*d %99s %*d %*d %lld %*d %*d %*d %lld";
1032		}
1033	<	if((line_ptr=f_read_line(f, "disk_io:"))==NULL){
1034	<	return NULL;
1033	>	if (f == NULL) goto out;
1034	>	now = time(NULL);
1035	>
1036	>	if (!re_compiled) {
1037	>	if (regcomp(&part_re, "^(.*/)?[^/]*[0-9]$", REG_EXTENDED | REG_NOSUB) != 0) {
1038	>	sg_set_error(SG_ERROR_PARSE, NULL);
1039	>	goto out;
1040	>	}
1041	>	if (regcomp(&not_part_re, "^(.*/)?[^/0-9]+[0-9]+d[0-9]+$", REG_EXTENDED | REG_NOSUB) != 0) {
1042	>	sg_set_error(SG_ERROR_PARSE, NULL);
1043	>	goto out;
1044	>	}
1045	>	re_compiled = 1;
1046		}
1047	<	while((line_ptr=strchr(line_ptr, ' '))!=NULL){
1048	<	if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){
1049	<	fclose(f);
1050	<	return NULL;
1047	>
1048	>	while ((line_ptr = sg_f_read_line(f, "")) != NULL) {
1049	>	char name[100];
1050	>	long long rsect, wsect;
1051	>
1052	>	int nr = sscanf(line_ptr, format,
1053	>	&major, &minor, name, &rsect, &wsect);
1054	>	if (nr < 3) continue;
1055	>
1056	>	/* Skip device names ending in numbers, since they're
1057	>	partitions, unless they match the c0d0 pattern that some
1058	>	RAID devices use. */
1059	>	/* FIXME: For 2.6+, we should probably be using sysfs to detect
1060	>	this... */
1061	>	if ((regexec(&part_re, name, 0, NULL, 0) == 0)
1062	>	&& (regexec(&not_part_re, name, 0, NULL, 0) != 0)) {
1063	>	continue;
1064		}
313	–	diskio_stats_ptr=diskio_stats+num_diskio;
1065
1066	+	if (nr < 5) {
1067	+	has_pp_stats = 0;
1068	+	rsect = 0;
1069	+	wsect = 0;
1070	+	}
1071
1072	<	sscanf(line_ptr, "(%d,%d):(%*d, %lld, %*d, %lld, %*d)", \
1073	<	&major, \
1074	<	&minor, \
1075	<	&diskio_stats_ptr->read_bytes, \
1076	<	&diskio_stats_ptr->write_bytes);
1072	>	if (VECTOR_RESIZE(diskio_stats, n + 1) < 0) {
1073	>	goto out;
1074	>	}
1075	>	if (VECTOR_RESIZE(parts, n + 1) < 0) {
1076	>	goto out;
1077	>	}
1078
1079	<	if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name);
1079	>	if (sg_update_string(&diskio_stats[n].disk_name, name) < 0) {
1080	>	goto out;
1081	>	}
1082	>	diskio_stats[n].read_bytes = rsect * 512;
1083	>	diskio_stats[n].write_bytes = wsect * 512;
1084	>	diskio_stats[n].systime = now;
1085	>	parts[n].major = major;
1086	>	parts[n].minor = minor;
1087
1088	<	switch(major){
1089	<	case 3:
326	<	if(minor==0){
327	<	diskio_stats_ptr->disk_name=strdup("hda");
328	<	}else{
329	<	diskio_stats_ptr->disk_name=strdup("hdb");
330	<	}
331	<	break;
1088	>	n++;
1089	>	}
1090
1091	+	fclose(f);
1092	+	f = NULL;
1093	+
1094	+	if (!has_pp_stats) {
1095	+	/* This is an older kernel where /proc/partitions doesn't
1096	+	contain stats. Read what we can from /proc/stat instead, and
1097	+	fill in the appropriate bits of the list allocated above. */
1098	+
1099	+	f = fopen("/proc/stat", "r");
1100	+	if (f == NULL) goto out;
1101	+	now = time(NULL);
1102	+
1103	+	line_ptr = sg_f_read_line(f, "disk_io:");
1104	+	if (line_ptr == NULL) goto out;
1105	+
1106	+	while((line_ptr=strchr(line_ptr, ' '))!=NULL){
1107	+	long long rsect, wsect;
1108	+
1109	+	if (*++line_ptr == '\0') break;
1110	+
1111	+	if((sscanf(line_ptr,
1112	+	"(%d,%d):(%*d, %*d, %lld, %*d, %lld)",
1113	+	&major, &minor, &rsect, &wsect)) != 4) {
1114	+	continue;
1115	+	}
1116	+
1117	+	/* Find the corresponding device from earlier.
1118	+	Just to add to the fun, "minor" is actually the disk
1119	+	number, not the device minor, so we need to figure
1120	+	out the real minor number based on the major!
1121	+	This list is not exhaustive; if you're running
1122	+	an older kernel you probably don't have fancy
1123	+	I2O hardware anyway... */
1124	+	switch (major) {
1125	+	case 3:
1126	+	case 21:
1127		case 22:
1128	<	if(minor==0){
1129	<	diskio_stats_ptr->disk_name=strdup("hdc");
1130	<	}else{
1131	<	diskio_stats_ptr->disk_name=strdup("hdd");
1132	<	}
1133	<	case 8:
1134	<	dev_letter='a'+(minor/16);
1135	<	diskio_stats_ptr->disk_name=malloc(4);
1136	<	snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter);
1128	>	case 33:
1129	>	case 34:
1130	>	case 36:
1131	>	case 56:
1132	>	case 57:
1133	>	case 88:
1134	>	case 89:
1135	>	case 90:
1136	>	case 91:
1137	>	minor *= 64;
1138	>	break;
1139	>	case 9:
1140	>	case 43:
1141	>	break;
1142		default:
1143	<	/* I have no idea what it is then :) */
1144	<	diskio_stats_ptr->disk_name=malloc(16);
1145	<	snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor);
1143	>	minor *= 16;
1144	>	break;
1145	>	}
1146	>	for (i = 0; i < n; i++) {
1147	>	if (major == parts[i].major
1148	>	&& minor == parts[i].minor)
1149	>	break;
1150	>	}
1151	>	if (i == n) continue;
1152	>
1153	>	/* We read the number of blocks. Blocks are stored in
1154	>	512 bytes */
1155	>	diskio_stats[i].read_bytes = rsect * 512;
1156	>	diskio_stats[i].write_bytes = wsect * 512;
1157	>	diskio_stats[i].systime = now;
1158		}
1159	+	}
1160
1161	+	num_diskio = n;
1162	+	out:
1163	+	if (f != NULL) fclose(f);
1164	+	#endif
1165	+
1166	+	#ifdef CYGWIN
1167	+	sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
1168	+	return NULL;
1169	+	#endif
1170	+
1171	+	#ifdef WIN32
1172	+	sg_set_error(SG_ERROR_NONE, NULL);
1173	+
1174	+	while((name = get_diskio(num_diskio, &rbytes, &wbytes)) != NULL) {
1175	+	if (VECTOR_RESIZE(diskio_stats, num_diskio+1)) {
1176	+	return NULL;
1177	+	}
1178	+
1179	+	diskio_stats_ptr = diskio_stats + num_diskio;
1180	+
1181	+	if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) {
1182	+	return NULL;
1183	+	}
1184	+	sg_update_string(&name, NULL);
1185	+	diskio_stats_ptr->read_bytes = rbytes;
1186	+	diskio_stats_ptr->write_bytes = wbytes;
1187	+
1188	+	diskio_stats_ptr->systime = 0;
1189	+
1190		num_diskio++;
1191		}
351	–
1192		#endif
1193	+
1194		*entries=num_diskio;
1195
1196		return diskio_stats;
1197		}
1198
1199	<	diskio_stat_t *get_diskio_stats_diff(int *entries){
1200	<	static diskio_stat_t *diskio_stats_diff=NULL;
1201	<	static int sizeof_diskio_stats_diff=0;
1202	<	diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr;
1203	<	int disks, x, y;
1199	>	sg_disk_io_stats *sg_get_disk_io_stats_diff(int *entries){
1200	>	#ifndef WIN32
1201	>	VECTOR_DECLARE_STATIC(diff, sg_disk_io_stats, 1,
1202	>	diskio_stat_init, diskio_stat_destroy);
1203	>	sg_disk_io_stats *src = NULL, *dest;
1204	>	int i, j, diff_count, new_count;
1205
1206	<	if(diskio_stats==NULL){
1207	<	diskio_stats_ptr=get_diskio_stats(&disks);
1208	<	*entries=disks;
367	<	return diskio_stats_ptr;
1206	>	if (diskio_stats == NULL) {
1207	>	/* No previous stats, so we can't calculate a difference. */
1208	>	return sg_get_disk_io_stats(entries);
1209		}
1210
1211	<	diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff);
1212	<	if(diskio_stats_diff==NULL){
1211	>	/* Resize the results array to match the previous stats. */
1212	>	diff_count = VECTOR_SIZE(diskio_stats);
1213	>	if (VECTOR_RESIZE(diff, diff_count) < 0) {
1214		return NULL;
1215		}
1216
1217	<	diskio_stats_diff_ptr=diskio_stats_diff;
1218	<	diskio_stats_ptr=diskio_stats;
1217	>	/* Copy the previous stats into the result. */
1218	>	for (i = 0; i < diff_count; i++) {
1219	>	src = &diskio_stats[i];
1220	>	dest = &diff[i];
1221
1222	<	for(disks=0;disks<num_diskio;disks++){
1223	<	if(diskio_stats_diff_ptr->disk_name!=NULL){
380	<	free(diskio_stats_diff_ptr->disk_name);
1222	>	if (sg_update_string(&dest->disk_name, src->disk_name) < 0) {
1223	>	return NULL;
1224		}
1225	<	diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name);
1226	<	diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes;
1227	<	diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes;
1228	<	diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime;
1225	>	dest->read_bytes = src->read_bytes;
1226	>	dest->write_bytes = src->write_bytes;
1227	>	dest->systime = src->systime;
1228	>	}
1229
1230	<	diskio_stats_diff_ptr++;
1231	<	diskio_stats_ptr++;
1230	>	/* Get a new set of stats. */
1231	>	if (sg_get_disk_io_stats(&new_count) == NULL) {
1232	>	return NULL;
1233		}
1234
1235	<	diskio_stats_ptr=get_diskio_stats(&disks);
1236	<	diskio_stats_diff_ptr=diskio_stats_diff;
1235	>	/* For each previous stat... */
1236	>	for (i = 0; i < diff_count; i++) {
1237	>	dest = &diff[i];
1238
1239	<	for(x=0;x<sizeof_diskio_stats_diff;x++){
1240	<
1241	<	if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){
1242	<	diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes;
1243	<	diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes;
1244	<	diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime;
1245	<	}else{
401	<	diskio_stats_ptr=diskio_stats;
402	<	for(y=0;y<disks;y++){
403	<	if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){
404	<	diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes;
405	<	diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes;
406	<	diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime;
407	<
408	<	break;
409	<	}
410	<
411	<	diskio_stats_ptr++;
1239	>	/* ... find the corresponding new stat ... */
1240	>	for (j = 0; j < new_count; j++) {
1241	>	/* Try the new stat in the same position first,
1242	>	since that's most likely to be it. */
1243	>	src = &diskio_stats[(i + j) % new_count];
1244	>	if (strcmp(src->disk_name, dest->disk_name) == 0) {
1245	>	break;
1246		}
1247		}
1248	+	if (j == new_count) {
1249	+	/* No match found. */
1250	+	continue;
1251	+	}
1252
1253	<	diskio_stats_ptr++;
1254	<	diskio_stats_diff_ptr++;
1255	<
1253	>	/* ... and subtract the previous stat from it to get the
1254	>	difference. */
1255	>	dest->read_bytes = src->read_bytes - dest->read_bytes;
1256	>	dest->write_bytes = src->write_bytes - dest->write_bytes;
1257	>	dest->systime = src->systime - dest->systime;
1258		}
1259	<
1260	<	*entries=sizeof_diskio_stats_diff;
1261	<	return diskio_stats_diff;
1259	>
1260	>	*entries = diff_count;
1261	>	return diff;
1262	>	#else /* WIN32 */
1263	>	return sg_get_disk_io_stats(entries);
1264	>	#endif
1265		}
1266	+
1267	+	int sg_disk_io_compare_name(const void *va, const void *vb) {
1268	+	const sg_disk_io_stats *a = (const sg_disk_io_stats *)va;
1269	+	const sg_disk_io_stats *b = (const sg_disk_io_stats *)vb;
1270	+
1271	+	return strcmp(a->disk_name, b->disk_name);
1272	+	}
1273	+

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