1 |
< |
/* |
2 |
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* i-scream central monitoring system |
3 |
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* http://www.i-scream.org.uk |
4 |
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* Copyright (C) 2000-2002 i-scream |
1 |
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/* |
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* i-scream libstatgrab |
3 |
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* http://www.i-scream.org |
4 |
> |
* Copyright (C) 2000-2004 i-scream |
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* |
6 |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
8 |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
8 |
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* License as published by the Free Software Foundation; either |
9 |
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* version 2.1 of the License, or (at your option) any later version. |
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|
* |
11 |
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* This program is distributed in the hope that it will be useful, |
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* This library is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
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* Lesser General Public License for more details. |
15 |
|
* |
16 |
< |
* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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> |
* 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 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
19 |
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* 02111-1307 USA |
20 |
> |
* |
21 |
> |
* $Id$ |
22 |
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*/ |
23 |
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|
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#ifdef HAVE_CONFIG_H |
25 |
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#include "config.h" |
26 |
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#endif |
27 |
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|
25 |
– |
#include "statgrab.h" |
26 |
– |
#include <stdlib.h> |
28 |
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#include <stdio.h> |
29 |
< |
#include "ukcprog.h" |
29 |
> |
#include <stdlib.h> |
30 |
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#include <string.h> |
31 |
+ |
#include <time.h> |
32 |
+ |
#include "statgrab.h" |
33 |
+ |
#include "vector.h" |
34 |
+ |
#include "tools.h" |
35 |
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|
36 |
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#ifdef SOLARIS |
37 |
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#include <sys/mnttab.h> |
33 |
– |
#include <sys/types.h> |
38 |
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#include <sys/statvfs.h> |
39 |
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#include <kstat.h> |
40 |
+ |
#define VALID_FS_TYPES {"ufs", "tmpfs", "vxfs", "nfs", "zfs"} |
41 |
+ |
#endif |
42 |
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|
43 |
< |
#define VALID_FS_TYPES {"ufs", "tmpfs"} |
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 |
+ |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
51 |
+ |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
52 |
+ |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
53 |
+ |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
54 |
+ |
"umsdos", "vfat", "xfs", "jfs", "nfs"} |
55 |
|
#endif |
56 |
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|
57 |
< |
#define START_VAL 1 |
57 |
> |
#ifdef CYGWIN |
58 |
> |
#define VALID_FS_TYPES {"user"} |
59 |
> |
#endif |
60 |
|
|
61 |
< |
char *copy_string(char *orig_ptr, const char *newtext){ |
61 |
> |
#ifdef ALLBSD |
62 |
> |
#include <sys/param.h> |
63 |
> |
#include <sys/ucred.h> |
64 |
> |
#include <sys/mount.h> |
65 |
> |
#endif |
66 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
67 |
> |
#include <sys/dkstat.h> |
68 |
> |
#include <devstat.h> |
69 |
> |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
70 |
> |
"ufs", "mfs", "nfs", "zfs"} |
71 |
> |
#endif |
72 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
73 |
> |
#include <sys/param.h> |
74 |
> |
#include <sys/sysctl.h> |
75 |
> |
#include <sys/disk.h> |
76 |
> |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
77 |
> |
"ntfs", "nfs"} |
78 |
> |
#endif |
79 |
|
|
80 |
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/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */ |
81 |
< |
orig_ptr=realloc(orig_ptr, (1+strlen(newtext))); |
82 |
< |
if(orig_ptr==NULL){ |
83 |
< |
return NULL; |
84 |
< |
} |
85 |
< |
strcpy(orig_ptr, newtext); |
80 |
> |
#ifdef HPUX |
81 |
> |
#include <sys/param.h> |
82 |
> |
#include <sys/pstat.h> |
83 |
> |
#include <sys/types.h> |
84 |
> |
#include <sys/stat.h> |
85 |
> |
#include <sys/vfs.h> |
86 |
> |
#include <mntent.h> |
87 |
> |
#include <dirent.h> |
88 |
> |
#include <stdio.h> |
89 |
> |
#include <time.h> |
90 |
> |
#define VALID_FS_TYPES {"vxfs", "hfs", "nfs"} |
91 |
> |
#define DISK_BATCH 30 |
92 |
> |
#endif |
93 |
|
|
94 |
< |
return orig_ptr; |
94 |
> |
#ifdef WIN32 |
95 |
> |
#include "win32.h" |
96 |
> |
/*#define VALID_FS_TYPES {"NTFS", "FAT", "FAT32"} unused*/ |
97 |
> |
#define BUFSIZE 512 |
98 |
> |
#endif |
99 |
> |
|
100 |
> |
#ifdef ALLBSD |
101 |
> |
#define SG_MP_FSTYPENAME(mp) (mp)->f_fstypename |
102 |
> |
#define SG_MP_DEVNAME(mp) (mp)->f_mntfromname |
103 |
> |
#define SG_MP_MOUNTP(mp) (mp)->f_mntonname |
104 |
> |
#define SG_FS_FRSIZE(fs) (long long) (*(fs))->f_bsize |
105 |
> |
#define SG_FS_BSIZE(fs) (long long) (*(fs))->f_iosize |
106 |
> |
#define SG_FS_BLOCKS(fs) (long long) (*(fs))->f_blocks |
107 |
> |
#define SG_FS_BFREE(fs) (long long) (*(fs))->f_bfree |
108 |
> |
#define SG_FS_BAVAIL(fs) (long long) (*(fs))->f_bavail |
109 |
> |
#define SG_FS_FILES(fs) (long long) (*(fs))->f_files |
110 |
> |
#define SG_FS_FFREE(fs) (long long) (*(fs))->f_ffree |
111 |
> |
#define SG_FS_FAVAIL(fs) -1LL |
112 |
> |
#endif |
113 |
> |
#if defined(LINUX) || defined(CYGWIN) || defined(HPUX) |
114 |
> |
#define SG_MP_FSTYPENAME(mp) (mp)->mnt_type |
115 |
> |
#define SG_MP_DEVNAME(mp) (mp)->mnt_fsname |
116 |
> |
#define SG_MP_MOUNTP(mp) (mp)->mnt_dir |
117 |
> |
#define SG_FS_FRSIZE(fs) (long long) (fs).f_frsize |
118 |
> |
#define SG_FS_BSIZE(fs) (long long) (fs).f_bsize |
119 |
> |
#define SG_FS_BLOCKS(fs) (long long) (fs).f_blocks |
120 |
> |
#define SG_FS_BFREE(fs) (long long) (fs).f_bfree |
121 |
> |
#define SG_FS_BAVAIL(fs) (long long) (fs).f_bavail |
122 |
> |
#define SG_FS_FILES(fs) (long long) (fs).f_files |
123 |
> |
#define SG_FS_FFREE(fs) (long long) (fs).f_ffree |
124 |
> |
#define SG_FS_FAVAIL(fs) (long long) (fs).f_favail |
125 |
> |
#endif |
126 |
> |
#ifdef SOLARIS |
127 |
> |
#define SG_MP_FSTYPENAME(mp) (mp).mnt_fstype |
128 |
> |
#define SG_MP_DEVNAME(mp) (mp).mnt_special |
129 |
> |
#define SG_MP_MOUNTP(mp) (mp).mnt_mountp |
130 |
> |
#define SG_FS_FRSIZE(fs) (long long) (fs).f_frsize |
131 |
> |
#define SG_FS_BSIZE(fs) (long long) (fs).f_bsize |
132 |
> |
#define SG_FS_BLOCKS(fs) (long long) (fs).f_blocks |
133 |
> |
#define SG_FS_BFREE(fs) (long long) (fs).f_bfree |
134 |
> |
#define SG_FS_BAVAIL(fs) (long long) (fs).f_bavail |
135 |
> |
#define SG_FS_FILES(fs) (long long) (fs).f_files |
136 |
> |
#define SG_FS_FFREE(fs) (long long) (fs).f_ffree |
137 |
> |
#define SG_FS_FAVAIL(fs) (long long) (fs).f_favail |
138 |
> |
#endif |
139 |
> |
|
140 |
> |
static void disk_stat_init(sg_fs_stats *d) { |
141 |
> |
d->device_name = NULL; |
142 |
> |
d->fs_type = NULL; |
143 |
> |
d->mnt_point = NULL; |
144 |
|
} |
145 |
|
|
146 |
+ |
static void disk_stat_destroy(sg_fs_stats *d) { |
147 |
+ |
free(d->device_name); |
148 |
+ |
free(d->fs_type); |
149 |
+ |
free(d->mnt_point); |
150 |
+ |
} |
151 |
|
|
152 |
< |
void init_disk_stat(int start, int end, disk_stat_t *disk_stats){ |
152 |
> |
#ifndef WIN32 /* not used by WIN32, so stop compiler throwing warnings */ |
153 |
> |
static int is_valid_fs_type(const char *type) { |
154 |
> |
const char *types[] = VALID_FS_TYPES; |
155 |
> |
int i; |
156 |
|
|
157 |
< |
for(disk_stats+=start; start<=end; start++){ |
158 |
< |
disk_stats->device_name=NULL; |
159 |
< |
disk_stats->fs_type=NULL; |
160 |
< |
disk_stats->mnt_point=NULL; |
62 |
< |
|
63 |
< |
disk_stats++; |
157 |
> |
for (i = 0; i < (int) (sizeof types / sizeof *types); i++) { |
158 |
> |
if (strcmp(types[i], type) == 0) { |
159 |
> |
return 1; |
160 |
> |
} |
161 |
|
} |
162 |
+ |
return 0; |
163 |
|
} |
164 |
+ |
#endif |
165 |
|
|
166 |
< |
disk_stat_t *get_disk_stats(int *entries){ |
166 |
> |
sg_fs_stats *sg_get_fs_stats(int *entries){ |
167 |
> |
VECTOR_DECLARE_STATIC(disk_stats, sg_fs_stats, 10, |
168 |
> |
disk_stat_init, disk_stat_destroy); |
169 |
|
|
170 |
< |
static disk_stat_t *disk_stats; |
171 |
< |
static int watermark=-1; |
170 |
> |
int num_disks=0; |
171 |
> |
#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) || defined(HPUX) |
172 |
> |
FILE *f; |
173 |
> |
#endif |
174 |
|
|
175 |
< |
char *fs_types[] = VALID_FS_TYPES; |
73 |
< |
int x, valid_type; |
175 |
> |
sg_fs_stats *disk_ptr; |
176 |
|
|
177 |
< |
int num_disks=0; |
177 |
> |
#ifdef SOLARIS |
178 |
|
struct mnttab mp; |
179 |
|
struct statvfs fs; |
180 |
< |
FILE *f; |
180 |
> |
#endif |
181 |
> |
#if defined(LINUX) || defined(CYGWIN) || defined(HPUX) |
182 |
> |
struct mntent *mp; |
183 |
> |
struct statvfs fs; |
184 |
> |
#endif |
185 |
> |
#ifdef ALLBSD |
186 |
> |
int nummnt; |
187 |
> |
#ifdef HAVE_STATVFS |
188 |
> |
struct statvfs *mp, **fs; |
189 |
> |
#else |
190 |
> |
struct statfs *mp, **fs; |
191 |
> |
#endif |
192 |
> |
#endif |
193 |
> |
#ifdef WIN32 |
194 |
> |
char lp_buf[MAX_PATH]; |
195 |
> |
char volume_name_buf[BUFSIZE]; |
196 |
> |
char filesys_name_buf[BUFSIZE]; |
197 |
> |
char drive[4] = " :\\"; |
198 |
> |
char *p; |
199 |
> |
lp_buf[0]='\0'; |
200 |
> |
#endif |
201 |
|
|
202 |
< |
disk_stat_t *disk_ptr; |
202 |
> |
#ifdef ALLBSD |
203 |
> |
nummnt=getmntinfo(&mp, MNT_WAIT); |
204 |
> |
if (nummnt<=0){ |
205 |
> |
sg_set_error_with_errno(SG_ERROR_GETMNTINFO, NULL); |
206 |
> |
return NULL; |
207 |
> |
} |
208 |
> |
for(fs = ∓ nummnt--; (*fs)++){ |
209 |
> |
#endif |
210 |
|
|
211 |
< |
if(watermark==-1){ |
212 |
< |
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
213 |
< |
if(disk_stats==NULL){ |
214 |
< |
return NULL; |
215 |
< |
} |
216 |
< |
watermark=START_VAL; |
217 |
< |
init_disk_stat(0, watermark-1, disk_stats); |
211 |
> |
#if defined(LINUX) || defined(CYGWIN) || defined(HPUX) |
212 |
> |
#ifdef MNT_MNTTAB |
213 |
> |
if ((f=setmntent(MNT_MNTTAB, "r" ))==NULL){ |
214 |
> |
#else |
215 |
> |
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
216 |
> |
#endif |
217 |
> |
sg_set_error(SG_ERROR_SETMNTENT, NULL); |
218 |
> |
return NULL; |
219 |
|
} |
220 |
|
|
221 |
+ |
while((mp=getmntent(f))){ |
222 |
+ |
if((statvfs(mp->mnt_dir, &fs)) !=0){ |
223 |
+ |
continue; |
224 |
+ |
} |
225 |
|
|
226 |
+ |
#endif |
227 |
+ |
|
228 |
+ |
#ifdef SOLARIS |
229 |
|
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
230 |
+ |
sg_set_error_with_errno(SG_ERROR_OPEN, "/etc/mnttab"); |
231 |
|
return NULL; |
232 |
|
} |
233 |
|
while((getmntent(f, &mp)) == 0){ |
234 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
235 |
|
continue; |
236 |
|
} |
237 |
+ |
#endif |
238 |
|
|
239 |
< |
valid_type=0; |
240 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
241 |
< |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
242 |
< |
valid_type=1; |
243 |
< |
break; |
244 |
< |
} |
245 |
< |
} |
239 |
> |
#ifdef WIN32 |
240 |
> |
if (!(GetLogicalDriveStrings(BUFSIZE-1, lp_buf))) { |
241 |
> |
sg_set_error(SG_ERROR_GETMNTINFO, "GetLogicalDriveStrings"); |
242 |
> |
return NULL; |
243 |
> |
} |
244 |
> |
p = lp_buf; |
245 |
> |
do { |
246 |
> |
// Copy drive letter to template string |
247 |
> |
*drive = *p; |
248 |
> |
// Only interested in harddrives. |
249 |
> |
int drive_type = GetDriveType(drive); |
250 |
|
|
251 |
< |
if(valid_type){ |
252 |
< |
if(num_disks>watermark-1){ |
253 |
< |
disk_ptr=disk_stats; |
254 |
< |
if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){ |
255 |
< |
disk_stats=disk_ptr; |
256 |
< |
return NULL; |
114 |
< |
} |
115 |
< |
|
116 |
< |
watermark=watermark*2; |
117 |
< |
init_disk_stat(num_disks, watermark-1, disk_stats); |
251 |
> |
if(drive_type == DRIVE_FIXED) { |
252 |
> |
#else |
253 |
> |
if(is_valid_fs_type(SG_MP_FSTYPENAME(mp))){ |
254 |
> |
#endif |
255 |
> |
if (VECTOR_RESIZE(disk_stats, num_disks + 1) < 0) { |
256 |
> |
return NULL; |
257 |
|
} |
119 |
– |
|
258 |
|
disk_ptr=disk_stats+num_disks; |
259 |
< |
|
260 |
< |
/* Memory leak in event of realloc failing */ |
259 |
> |
|
260 |
> |
#ifndef WIN32 |
261 |
|
/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
262 |
< |
Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE woul prob be upwards |
263 |
< |
of a k each */ |
264 |
< |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
262 |
> |
* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob |
263 |
> |
* be upwards of a k each |
264 |
> |
*/ |
265 |
> |
if (sg_update_string(&disk_ptr->device_name, SG_MP_DEVNAME(mp)) < 0) { |
266 |
|
return NULL; |
267 |
|
} |
268 |
+ |
if (sg_update_string(&disk_ptr->fs_type, SG_MP_FSTYPENAME(mp)) < 0) { |
269 |
+ |
return NULL; |
270 |
+ |
} |
271 |
+ |
if (sg_update_string(&disk_ptr->mnt_point, SG_MP_MOUNTP(mp)) < 0) { |
272 |
+ |
return NULL; |
273 |
+ |
} |
274 |
|
|
275 |
< |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){ |
276 |
< |
return NULL; |
277 |
< |
} |
133 |
< |
|
134 |
< |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp.mnt_mountp))==NULL){ |
135 |
< |
return NULL; |
136 |
< |
} |
137 |
< |
|
138 |
< |
disk_ptr->size = (long long)fs.f_frsize * (long long)fs.f_blocks; |
139 |
< |
disk_ptr->avail = (long long)fs.f_frsize * (long long)fs.f_bavail; |
140 |
< |
disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_frsize * (long long)fs.f_bfree); |
275 |
> |
disk_ptr->size = SG_FS_FRSIZE(fs) * SG_FS_BLOCKS(fs); |
276 |
> |
disk_ptr->avail = SG_FS_FRSIZE(fs) * SG_FS_BAVAIL(fs); |
277 |
> |
disk_ptr->used = (disk_ptr->size) - (SG_FS_FRSIZE(fs) * SG_FS_BFREE(fs)); |
278 |
|
|
279 |
< |
disk_ptr->total_inodes=(long long)fs.f_files; |
280 |
< |
disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree; |
281 |
< |
disk_ptr->free_inodes=(long long)fs.f_favail; |
279 |
> |
disk_ptr->total_inodes = SG_FS_FILES(fs); |
280 |
> |
disk_ptr->free_inodes = SG_FS_FFREE(fs); |
281 |
> |
/* Linux, FreeBSD don't have a "available" inodes */ |
282 |
> |
disk_ptr->used_inodes = disk_ptr->total_inodes - disk_ptr->free_inodes; |
283 |
> |
disk_ptr->avail_inodes = SG_FS_FAVAIL(fs); |
284 |
|
|
285 |
+ |
disk_ptr->io_size = SG_FS_BSIZE(fs); |
286 |
+ |
disk_ptr->block_size = SG_FS_FRSIZE(fs); |
287 |
+ |
disk_ptr->total_blocks = SG_FS_BLOCKS(fs); |
288 |
+ |
disk_ptr->free_blocks = SG_FS_BFREE(fs); |
289 |
+ |
disk_ptr->avail_blocks = SG_FS_BAVAIL(fs); |
290 |
+ |
disk_ptr->used_blocks = disk_ptr->total_blocks - disk_ptr->free_blocks; |
291 |
+ |
#else |
292 |
+ |
if(!GetVolumeInformation(drive, volume_name_buf, BUFSIZE, |
293 |
+ |
NULL, NULL, NULL, |
294 |
+ |
filesys_name_buf, BUFSIZE)) { |
295 |
+ |
sg_set_error_with_errno(SG_ERROR_DISKINFO, |
296 |
+ |
"GetVolumeInformation"); |
297 |
+ |
return NULL; |
298 |
+ |
} |
299 |
+ |
|
300 |
+ |
if (sg_update_string(&disk_ptr->device_name, |
301 |
+ |
volume_name_buf) < 0) { |
302 |
+ |
return NULL; |
303 |
+ |
} |
304 |
+ |
if (sg_update_string(&disk_ptr->fs_type, |
305 |
+ |
filesys_name_buf) < 0) { |
306 |
+ |
return NULL; |
307 |
+ |
} |
308 |
+ |
if (sg_update_string(&disk_ptr->mnt_point, |
309 |
+ |
drive) < 0) { |
310 |
+ |
return NULL; |
311 |
+ |
} |
312 |
+ |
if (!GetDiskFreeSpaceEx(drive, NULL, |
313 |
+ |
(PULARGE_INTEGER)&disk_ptr->size, |
314 |
+ |
(PULARGE_INTEGER)&disk_ptr->avail)) { |
315 |
+ |
sg_set_error_with_errno(SG_ERROR_DISKINFO, |
316 |
+ |
"GetDiskFreeSpaceEx"); |
317 |
+ |
return NULL; |
318 |
+ |
} |
319 |
+ |
disk_ptr->used = disk_ptr->size - disk_ptr->avail; |
320 |
+ |
disk_ptr->total_inodes = 0; |
321 |
+ |
disk_ptr->free_inodes = 0; |
322 |
+ |
disk_ptr->used_inodes = 0; |
323 |
+ |
disk_ptr->avail_inodes = 0; |
324 |
+ |
|
325 |
+ |
/* I dunno what to do with these... so have nothing */ |
326 |
+ |
disk_ptr->io_size = 0; |
327 |
+ |
disk_ptr->block_size = 0; |
328 |
+ |
disk_ptr->total_blocks = 0; |
329 |
+ |
disk_ptr->free_blocks = 0; |
330 |
+ |
disk_ptr->avail_blocks = 0; |
331 |
+ |
disk_ptr->used_blocks = 0; |
332 |
+ |
#endif |
333 |
|
num_disks++; |
334 |
|
} |
335 |
+ |
#ifdef WIN32 |
336 |
+ |
while(*p++); |
337 |
+ |
} while(*p); |
338 |
+ |
#else |
339 |
|
} |
340 |
+ |
#endif |
341 |
|
|
342 |
|
*entries=num_disks; |
343 |
|
|
344 |
< |
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
344 |
> |
/* If this fails, there is very little i can do about it, so |
345 |
> |
I'll ignore it :) */ |
346 |
> |
#if defined(LINUX) || defined(CYGWIN) || defined(HPUX) |
347 |
> |
endmntent(f); |
348 |
> |
#endif |
349 |
> |
#if defined(SOLARIS) |
350 |
|
fclose(f); |
351 |
+ |
#endif |
352 |
|
|
353 |
|
return disk_stats; |
354 |
|
|
355 |
|
} |
356 |
|
|
357 |
< |
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
357 |
> |
int sg_fs_compare_device_name(const void *va, const void *vb) { |
358 |
> |
const sg_fs_stats *a = (const sg_fs_stats *)va; |
359 |
> |
const sg_fs_stats *b = (const sg_fs_stats *)vb; |
360 |
|
|
361 |
< |
for(diskio_stats+=start; start<end; start++){ |
162 |
< |
diskio_stats->disk_name=NULL; |
163 |
< |
|
164 |
< |
diskio_stats++; |
165 |
< |
} |
361 |
> |
return strcmp(a->device_name, b->device_name); |
362 |
|
} |
363 |
|
|
364 |
< |
diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){ |
364 |
> |
int sg_fs_compare_mnt_point(const void *va, const void *vb) { |
365 |
> |
const sg_fs_stats *a = (const sg_fs_stats *)va; |
366 |
> |
const sg_fs_stats *b = (const sg_fs_stats *)vb; |
367 |
|
|
368 |
< |
if(diskio_stats==NULL){ |
368 |
> |
return strcmp(a->mnt_point, b->mnt_point); |
369 |
> |
} |
370 |
|
|
371 |
< |
if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){ |
372 |
< |
return NULL; |
373 |
< |
} |
175 |
< |
diskio_stat_init(0, needed_entries, diskio_stats); |
176 |
< |
*cur_entries=needed_entries; |
371 |
> |
static void diskio_stat_init(sg_disk_io_stats *d) { |
372 |
> |
d->disk_name = NULL; |
373 |
> |
} |
374 |
|
|
375 |
< |
return diskio_stats; |
376 |
< |
} |
375 |
> |
static void diskio_stat_destroy(sg_disk_io_stats *d) { |
376 |
> |
free(d->disk_name); |
377 |
> |
} |
378 |
|
|
379 |
+ |
VECTOR_DECLARE_STATIC(diskio_stats, sg_disk_io_stats, 10, |
380 |
+ |
diskio_stat_init, diskio_stat_destroy); |
381 |
|
|
382 |
< |
if(*cur_entries<needed_entries){ |
383 |
< |
diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries)); |
384 |
< |
if(diskio_stats==NULL){ |
385 |
< |
return NULL; |
386 |
< |
} |
387 |
< |
diskio_stat_init(*cur_entries, needed_entries, diskio_stats); |
188 |
< |
*cur_entries=needed_entries; |
189 |
< |
} |
382 |
> |
#ifdef LINUX |
383 |
> |
typedef struct { |
384 |
> |
int major; |
385 |
> |
int minor; |
386 |
> |
} partition; |
387 |
> |
#endif |
388 |
|
|
389 |
< |
return diskio_stats; |
390 |
< |
} |
389 |
> |
sg_disk_io_stats *sg_get_disk_io_stats(int *entries){ |
390 |
> |
int num_diskio; |
391 |
> |
#ifndef LINUX |
392 |
> |
sg_disk_io_stats *diskio_stats_ptr; |
393 |
> |
#endif |
394 |
|
|
395 |
< |
static diskio_stat_t *diskio_stats=NULL; |
396 |
< |
static int num_diskio=0; |
395 |
> |
#ifdef HPUX |
396 |
> |
long long rbytes = 0, wbytes = 0; |
397 |
> |
struct dirent *dinfo = NULL; |
398 |
> |
struct stat lstatinfo; |
399 |
> |
struct pst_diskinfo pstat_diskinfo[DISK_BATCH]; |
400 |
> |
char fullpathbuf[1024] = {0}; |
401 |
> |
dev_t diskid; |
402 |
> |
DIR *dh = NULL; |
403 |
> |
int diskidx = 0; |
404 |
> |
int num, i; |
405 |
> |
#endif |
406 |
> |
#ifdef SOLARIS |
407 |
> |
kstat_ctl_t *kc; |
408 |
> |
kstat_t *ksp; |
409 |
> |
kstat_io_t kios; |
410 |
> |
#endif |
411 |
> |
#ifdef LINUX |
412 |
> |
FILE *f; |
413 |
> |
char *line_ptr; |
414 |
> |
int major, minor; |
415 |
> |
int has_pp_stats = 1; |
416 |
> |
VECTOR_DECLARE_STATIC(parts, partition, 16, NULL, NULL); |
417 |
> |
int i, n; |
418 |
> |
time_t now; |
419 |
> |
const char *format; |
420 |
> |
static regex_t not_part_re, part_re; |
421 |
> |
static int re_compiled = 0; |
422 |
> |
#endif |
423 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
424 |
> |
static struct statinfo stats; |
425 |
> |
static int stats_init = 0; |
426 |
> |
int counter; |
427 |
> |
struct device_selection *dev_sel = NULL; |
428 |
> |
int n_selected, n_selections; |
429 |
> |
long sel_gen; |
430 |
> |
struct devstat *dev_ptr; |
431 |
> |
#endif |
432 |
> |
#ifdef NETBSD |
433 |
> |
struct disk_sysctl *stats; |
434 |
> |
#endif |
435 |
> |
#ifdef OPENBSD |
436 |
> |
int diskcount; |
437 |
> |
char *disknames, *name, *bufpp; |
438 |
> |
char **dk_name; |
439 |
> |
struct diskstats *stats; |
440 |
> |
#endif |
441 |
> |
#ifdef NETBSD |
442 |
> |
#define MIBSIZE 3 |
443 |
> |
#endif |
444 |
> |
#ifdef OPENBSD |
445 |
> |
#define MIBSIZE 2 |
446 |
> |
#endif |
447 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
448 |
> |
int num_disks, i; |
449 |
> |
int mib[MIBSIZE]; |
450 |
> |
size_t size; |
451 |
> |
#endif |
452 |
> |
#ifdef WIN32 |
453 |
> |
char *name; |
454 |
> |
long long rbytes; |
455 |
> |
long long wbytes; |
456 |
> |
#endif |
457 |
|
|
458 |
< |
diskio_stat_t *get_diskio_stats(int *entries){ |
458 |
> |
num_diskio=0; |
459 |
|
|
460 |
< |
static int sizeof_diskio_stats=0; |
461 |
< |
diskio_stat_t *diskio_stats_ptr; |
460 |
> |
#ifdef HPUX |
461 |
> |
while (1) { |
462 |
> |
num = pstat_getdisk(pstat_diskinfo, sizeof pstat_diskinfo[0], |
463 |
> |
DISK_BATCH, diskidx); |
464 |
> |
if (num == -1) { |
465 |
> |
sg_set_error_with_errno(SG_ERROR_PSTAT, |
466 |
> |
"pstat_getdisk"); |
467 |
> |
return NULL; |
468 |
> |
} else if (num == 0) { |
469 |
> |
break; |
470 |
> |
} |
471 |
|
|
472 |
< |
kstat_ctl_t *kc; |
473 |
< |
kstat_t *ksp; |
204 |
< |
kstat_io_t kios; |
472 |
> |
for (i = 0; i < num; i++) { |
473 |
> |
struct pst_diskinfo *di = &pstat_diskinfo[i]; |
474 |
|
|
475 |
< |
if ((kc = kstat_open()) == NULL) { |
476 |
< |
return NULL; |
477 |
< |
} |
475 |
> |
/* Skip "disabled" disks. */ |
476 |
> |
if (di->psd_status == 0) { |
477 |
> |
continue; |
478 |
> |
} |
479 |
> |
|
480 |
> |
/* We can't seperate the reads from the writes, we'll |
481 |
> |
* just give the same to each. (This value is in |
482 |
> |
* 64-byte chunks according to the pstat header file, |
483 |
> |
* and can wrap to be negative.) |
484 |
> |
*/ |
485 |
> |
rbytes = wbytes = ((unsigned long) di->psd_dkwds) * 64LL; |
486 |
> |
|
487 |
> |
/* Skip unused disks. */ |
488 |
> |
if (rbytes == 0 && wbytes == 0) { |
489 |
> |
continue; |
490 |
> |
} |
491 |
> |
|
492 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
493 |
> |
return NULL; |
494 |
> |
} |
495 |
> |
|
496 |
> |
diskio_stats_ptr = diskio_stats + num_diskio; |
497 |
> |
|
498 |
> |
diskio_stats_ptr->read_bytes = rbytes; |
499 |
> |
diskio_stats_ptr->write_bytes = wbytes; |
500 |
> |
|
501 |
> |
diskio_stats_ptr->systime = time(NULL); |
502 |
> |
|
503 |
> |
num_diskio++; |
504 |
> |
|
505 |
> |
/* FIXME This should use a static cache, like the Linux |
506 |
> |
* code below. */ |
507 |
> |
if (diskio_stats_ptr->disk_name == NULL) { |
508 |
> |
dh = opendir("/dev/dsk"); |
509 |
> |
if (dh == NULL) { |
510 |
> |
continue; |
511 |
> |
} |
512 |
> |
|
513 |
> |
diskid = (di->psd_dev.psd_major << 24) | di->psd_dev.psd_minor; |
514 |
> |
while (1) { |
515 |
> |
dinfo = readdir(dh); |
516 |
> |
if (dinfo == NULL) { |
517 |
> |
break; |
518 |
> |
} |
519 |
> |
snprintf(fullpathbuf, sizeof(fullpathbuf), "/dev/dsk/%s", dinfo->d_name); |
520 |
> |
if (lstat(fullpathbuf, &lstatinfo) < 0) { |
521 |
> |
continue; |
522 |
> |
} |
523 |
> |
|
524 |
> |
if (lstatinfo.st_rdev == diskid) { |
525 |
> |
if (sg_update_string(&diskio_stats_ptr->disk_name, dinfo->d_name) < 0) { |
526 |
> |
return NULL; |
527 |
> |
} |
528 |
> |
break; |
529 |
> |
} |
530 |
> |
} |
531 |
> |
closedir(dh); |
532 |
> |
|
533 |
> |
if (diskio_stats_ptr->disk_name == NULL) { |
534 |
> |
if (sg_update_string(&diskio_stats_ptr->disk_name, di->psd_hw_path.psh_name) < 0) { |
535 |
> |
return NULL; |
536 |
> |
} |
537 |
> |
} |
538 |
> |
} |
539 |
> |
} |
540 |
> |
diskidx = pstat_diskinfo[num - 1].psd_idx + 1; |
541 |
> |
} |
542 |
> |
#endif |
543 |
> |
#ifdef OPENBSD |
544 |
> |
mib[0] = CTL_HW; |
545 |
> |
mib[1] = HW_DISKCOUNT; |
546 |
|
|
547 |
< |
num_diskio=0; |
547 |
> |
size = sizeof(diskcount); |
548 |
> |
if (sysctl(mib, MIBSIZE, &diskcount, &size, NULL, 0) < 0) { |
549 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKCOUNT"); |
550 |
> |
return NULL; |
551 |
> |
} |
552 |
|
|
553 |
+ |
mib[0] = CTL_HW; |
554 |
+ |
mib[1] = HW_DISKNAMES; |
555 |
+ |
|
556 |
+ |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
557 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES"); |
558 |
+ |
return NULL; |
559 |
+ |
} |
560 |
+ |
|
561 |
+ |
disknames = sg_malloc(size); |
562 |
+ |
if (disknames == NULL) { |
563 |
+ |
return NULL; |
564 |
+ |
} |
565 |
+ |
|
566 |
+ |
if (sysctl(mib, MIBSIZE, disknames, &size, NULL, 0) < 0) { |
567 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES"); |
568 |
+ |
return NULL; |
569 |
+ |
} |
570 |
+ |
|
571 |
+ |
dk_name = sg_malloc(diskcount * sizeof(char *)); |
572 |
+ |
bufpp = disknames; |
573 |
+ |
for (i = 0; i < diskcount && (name = strsep(&bufpp, ",")) != NULL; i++) { |
574 |
+ |
dk_name[i] = name; |
575 |
+ |
} |
576 |
+ |
#endif |
577 |
+ |
|
578 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
579 |
+ |
mib[0] = CTL_HW; |
580 |
+ |
mib[1] = HW_DISKSTATS; |
581 |
+ |
#ifdef NETBSD |
582 |
+ |
mib[2] = sizeof(struct disk_sysctl); |
583 |
+ |
#endif |
584 |
+ |
|
585 |
+ |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
586 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS"); |
587 |
+ |
return NULL; |
588 |
+ |
} |
589 |
+ |
|
590 |
+ |
#ifdef NETBSD |
591 |
+ |
num_disks = size / sizeof(struct disk_sysctl); |
592 |
+ |
#else |
593 |
+ |
num_disks = size / sizeof(struct diskstats); |
594 |
+ |
#endif |
595 |
+ |
|
596 |
+ |
stats = sg_malloc(size); |
597 |
+ |
if (stats == NULL) { |
598 |
+ |
return NULL; |
599 |
+ |
} |
600 |
+ |
|
601 |
+ |
if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) { |
602 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS"); |
603 |
+ |
return NULL; |
604 |
+ |
} |
605 |
+ |
|
606 |
+ |
for (i = 0; i < num_disks; i++) { |
607 |
+ |
const char *name; |
608 |
+ |
u_int64_t rbytes, wbytes; |
609 |
+ |
|
610 |
+ |
#ifdef NETBSD |
611 |
+ |
#ifdef HAVE_DK_RBYTES |
612 |
+ |
rbytes = stats[i].dk_rbytes; |
613 |
+ |
wbytes = stats[i].dk_wbytes; |
614 |
+ |
#else |
615 |
+ |
/* Before 2.0, NetBSD merged reads and writes. */ |
616 |
+ |
rbytes = wbytes = stats[i].dk_bytes; |
617 |
+ |
#endif |
618 |
+ |
#else |
619 |
+ |
#ifdef HAVE_DS_RBYTES |
620 |
+ |
rbytes = stats[i].ds_rbytes; |
621 |
+ |
wbytes = stats[i].ds_wbytes; |
622 |
+ |
#else |
623 |
+ |
/* Before 3.5, OpenBSD merged reads and writes */ |
624 |
+ |
rbytes = wbytes = stats[i].ds_bytes; |
625 |
+ |
#endif |
626 |
+ |
#endif |
627 |
+ |
|
628 |
+ |
/* Don't keep stats for disks that have never been used. */ |
629 |
+ |
if (rbytes == 0 && wbytes == 0) { |
630 |
+ |
continue; |
631 |
+ |
} |
632 |
+ |
|
633 |
+ |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
634 |
+ |
return NULL; |
635 |
+ |
} |
636 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
637 |
+ |
|
638 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
639 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
640 |
+ |
#ifdef NETBSD |
641 |
+ |
name = stats[i].dk_name; |
642 |
+ |
#else |
643 |
+ |
name = dk_name[i]; |
644 |
+ |
#endif |
645 |
+ |
if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) { |
646 |
+ |
return NULL; |
647 |
+ |
} |
648 |
+ |
diskio_stats_ptr->systime = time(NULL); |
649 |
+ |
|
650 |
+ |
num_diskio++; |
651 |
+ |
} |
652 |
+ |
|
653 |
+ |
free(stats); |
654 |
+ |
#ifdef OPENBSD |
655 |
+ |
free(dk_name); |
656 |
+ |
free(disknames); |
657 |
+ |
#endif |
658 |
+ |
#endif |
659 |
+ |
|
660 |
+ |
#if defined(FREEBSD) || defined(DFBSD) |
661 |
+ |
if (!stats_init) { |
662 |
+ |
stats.dinfo=sg_malloc(sizeof(struct devinfo)); |
663 |
+ |
if(stats.dinfo==NULL) return NULL; |
664 |
+ |
bzero(stats.dinfo, sizeof(struct devinfo)); |
665 |
+ |
stats_init = 1; |
666 |
+ |
} |
667 |
+ |
#ifdef FREEBSD5 |
668 |
+ |
if ((devstat_getdevs(NULL, &stats)) < 0) { |
669 |
+ |
/* FIXME devstat functions return a string error in |
670 |
+ |
devstat_errbuf */ |
671 |
+ |
sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL); |
672 |
+ |
return NULL; |
673 |
+ |
} |
674 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
675 |
+ |
* find a machine with more than 999 disks, then i'll change |
676 |
+ |
* this number :) |
677 |
+ |
*/ |
678 |
+ |
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) { |
679 |
+ |
sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL); |
680 |
+ |
return NULL; |
681 |
+ |
} |
682 |
+ |
#else |
683 |
+ |
if ((getdevs(&stats)) < 0) { |
684 |
+ |
sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL); |
685 |
+ |
return NULL; |
686 |
+ |
} |
687 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
688 |
+ |
* find a machine with more than 999 disks, then i'll change |
689 |
+ |
* this number :) |
690 |
+ |
*/ |
691 |
+ |
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) { |
692 |
+ |
sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL); |
693 |
+ |
return NULL; |
694 |
+ |
} |
695 |
+ |
#endif |
696 |
+ |
|
697 |
+ |
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
698 |
+ |
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
699 |
+ |
|
700 |
+ |
/* Throw away devices that have done nothing, ever.. Eg "odd" |
701 |
+ |
* devices.. like mem, proc.. and also doesn't report floppy |
702 |
+ |
* drives etc unless they are doing stuff :) |
703 |
+ |
*/ |
704 |
+ |
#ifdef FREEBSD5 |
705 |
+ |
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
706 |
+ |
#else |
707 |
+ |
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
708 |
+ |
#endif |
709 |
+ |
|
710 |
+ |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
711 |
+ |
return NULL; |
712 |
+ |
} |
713 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
714 |
+ |
|
715 |
+ |
#ifdef FREEBSD5 |
716 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
717 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
718 |
+ |
#else |
719 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
720 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
721 |
+ |
#endif |
722 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
723 |
+ |
if (asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number) == -1) { |
724 |
+ |
sg_set_error_with_errno(SG_ERROR_ASPRINTF, NULL); |
725 |
+ |
return NULL; |
726 |
+ |
} |
727 |
+ |
diskio_stats_ptr->systime=time(NULL); |
728 |
+ |
|
729 |
+ |
num_diskio++; |
730 |
+ |
} |
731 |
+ |
free(dev_sel); |
732 |
+ |
|
733 |
+ |
#endif |
734 |
+ |
#ifdef SOLARIS |
735 |
+ |
if ((kc = kstat_open()) == NULL) { |
736 |
+ |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
737 |
+ |
return NULL; |
738 |
+ |
} |
739 |
+ |
|
740 |
|
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
741 |
< |
if (!strcmp(ksp->ks_class, "disk")) { |
741 |
> |
if (!strcmp(ksp->ks_class, "disk")) { |
742 |
|
|
743 |
|
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
744 |
|
/* We dont want metadevices appearins as num_diskio */ |
745 |
|
if(strcmp(ksp->ks_module, "md")==0) continue; |
746 |
< |
if((kstat_read(kc, ksp, &kios))==-1){ |
746 |
> |
if((kstat_read(kc, ksp, &kios))==-1){ |
747 |
|
} |
748 |
|
|
749 |
< |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
749 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
750 |
|
kstat_close(kc); |
751 |
|
return NULL; |
752 |
|
} |
753 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
754 |
|
|
755 |
|
diskio_stats_ptr->read_bytes=kios.nread; |
228 |
– |
|
756 |
|
diskio_stats_ptr->write_bytes=kios.nwritten; |
757 |
+ |
if (sg_update_string(&diskio_stats_ptr->disk_name, |
758 |
+ |
sg_get_svr_from_bsd(ksp->ks_name)) < 0) { |
759 |
+ |
kstat_close(kc); |
760 |
+ |
return NULL; |
761 |
+ |
} |
762 |
+ |
diskio_stats_ptr->systime=time(NULL); |
763 |
|
|
231 |
– |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
232 |
– |
|
233 |
– |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
764 |
|
num_diskio++; |
765 |
|
} |
766 |
|
} |
767 |
|
|
768 |
|
kstat_close(kc); |
769 |
+ |
#endif |
770 |
|
|
771 |
+ |
#ifdef LINUX |
772 |
+ |
num_diskio = 0; |
773 |
+ |
n = 0; |
774 |
+ |
|
775 |
+ |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
776 |
+ |
have statistics in here too, so we can use those directly. |
777 |
+ |
2.6 kernels have /proc/diskstats instead with almost (but not quite) |
778 |
+ |
the same format. */ |
779 |
+ |
|
780 |
+ |
f = fopen("/proc/diskstats", "r"); |
781 |
+ |
format = " %d %d %99s %*d %*d %lld %*d %*d %*d %lld"; |
782 |
+ |
if (f == NULL) { |
783 |
+ |
f = fopen("/proc/partitions", "r"); |
784 |
+ |
format = " %d %d %*d %99s %*d %*d %lld %*d %*d %*d %lld"; |
785 |
+ |
} |
786 |
+ |
if (f == NULL) goto out; |
787 |
+ |
now = time(NULL); |
788 |
+ |
|
789 |
+ |
if (!re_compiled) { |
790 |
+ |
if (regcomp(&part_re, "^(.*/)?[^/]*[0-9]$", REG_EXTENDED | REG_NOSUB) != 0) { |
791 |
+ |
sg_set_error(SG_ERROR_PARSE, NULL); |
792 |
+ |
goto out; |
793 |
+ |
} |
794 |
+ |
if (regcomp(¬_part_re, "^(.*/)?[^/0-9]+[0-9]+d[0-9]+$", REG_EXTENDED | REG_NOSUB) != 0) { |
795 |
+ |
sg_set_error(SG_ERROR_PARSE, NULL); |
796 |
+ |
goto out; |
797 |
+ |
} |
798 |
+ |
re_compiled = 1; |
799 |
+ |
} |
800 |
+ |
|
801 |
+ |
while ((line_ptr = sg_f_read_line(f, "")) != NULL) { |
802 |
+ |
char name[100]; |
803 |
+ |
long long rsect, wsect; |
804 |
+ |
|
805 |
+ |
int nr = sscanf(line_ptr, format, |
806 |
+ |
&major, &minor, name, &rsect, &wsect); |
807 |
+ |
if (nr < 3) continue; |
808 |
+ |
|
809 |
+ |
/* Skip device names ending in numbers, since they're |
810 |
+ |
partitions, unless they match the c0d0 pattern that some |
811 |
+ |
RAID devices use. */ |
812 |
+ |
/* FIXME: For 2.6+, we should probably be using sysfs to detect |
813 |
+ |
this... */ |
814 |
+ |
if ((regexec(&part_re, name, 0, NULL, 0) == 0) |
815 |
+ |
&& (regexec(¬_part_re, name, 0, NULL, 0) != 0)) { |
816 |
+ |
continue; |
817 |
+ |
} |
818 |
+ |
|
819 |
+ |
if (nr < 5) { |
820 |
+ |
has_pp_stats = 0; |
821 |
+ |
rsect = 0; |
822 |
+ |
wsect = 0; |
823 |
+ |
} |
824 |
+ |
|
825 |
+ |
if (VECTOR_RESIZE(diskio_stats, n + 1) < 0) { |
826 |
+ |
goto out; |
827 |
+ |
} |
828 |
+ |
if (VECTOR_RESIZE(parts, n + 1) < 0) { |
829 |
+ |
goto out; |
830 |
+ |
} |
831 |
+ |
|
832 |
+ |
if (sg_update_string(&diskio_stats[n].disk_name, name) < 0) { |
833 |
+ |
goto out; |
834 |
+ |
} |
835 |
+ |
diskio_stats[n].read_bytes = rsect * 512; |
836 |
+ |
diskio_stats[n].write_bytes = wsect * 512; |
837 |
+ |
diskio_stats[n].systime = now; |
838 |
+ |
parts[n].major = major; |
839 |
+ |
parts[n].minor = minor; |
840 |
+ |
|
841 |
+ |
n++; |
842 |
+ |
} |
843 |
+ |
|
844 |
+ |
fclose(f); |
845 |
+ |
f = NULL; |
846 |
+ |
|
847 |
+ |
if (!has_pp_stats) { |
848 |
+ |
/* This is an older kernel where /proc/partitions doesn't |
849 |
+ |
contain stats. Read what we can from /proc/stat instead, and |
850 |
+ |
fill in the appropriate bits of the list allocated above. */ |
851 |
+ |
|
852 |
+ |
f = fopen("/proc/stat", "r"); |
853 |
+ |
if (f == NULL) goto out; |
854 |
+ |
now = time(NULL); |
855 |
+ |
|
856 |
+ |
line_ptr = sg_f_read_line(f, "disk_io:"); |
857 |
+ |
if (line_ptr == NULL) goto out; |
858 |
+ |
|
859 |
+ |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
860 |
+ |
long long rsect, wsect; |
861 |
+ |
|
862 |
+ |
if (*++line_ptr == '\0') break; |
863 |
+ |
|
864 |
+ |
if((sscanf(line_ptr, |
865 |
+ |
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
866 |
+ |
&major, &minor, &rsect, &wsect)) != 4) { |
867 |
+ |
continue; |
868 |
+ |
} |
869 |
+ |
|
870 |
+ |
/* Find the corresponding device from earlier. |
871 |
+ |
Just to add to the fun, "minor" is actually the disk |
872 |
+ |
number, not the device minor, so we need to figure |
873 |
+ |
out the real minor number based on the major! |
874 |
+ |
This list is not exhaustive; if you're running |
875 |
+ |
an older kernel you probably don't have fancy |
876 |
+ |
I2O hardware anyway... */ |
877 |
+ |
switch (major) { |
878 |
+ |
case 3: |
879 |
+ |
case 21: |
880 |
+ |
case 22: |
881 |
+ |
case 33: |
882 |
+ |
case 34: |
883 |
+ |
case 36: |
884 |
+ |
case 56: |
885 |
+ |
case 57: |
886 |
+ |
case 88: |
887 |
+ |
case 89: |
888 |
+ |
case 90: |
889 |
+ |
case 91: |
890 |
+ |
minor *= 64; |
891 |
+ |
break; |
892 |
+ |
case 9: |
893 |
+ |
case 43: |
894 |
+ |
break; |
895 |
+ |
default: |
896 |
+ |
minor *= 16; |
897 |
+ |
break; |
898 |
+ |
} |
899 |
+ |
for (i = 0; i < n; i++) { |
900 |
+ |
if (major == parts[i].major |
901 |
+ |
&& minor == parts[i].minor) |
902 |
+ |
break; |
903 |
+ |
} |
904 |
+ |
if (i == n) continue; |
905 |
+ |
|
906 |
+ |
/* We read the number of blocks. Blocks are stored in |
907 |
+ |
512 bytes */ |
908 |
+ |
diskio_stats[i].read_bytes = rsect * 512; |
909 |
+ |
diskio_stats[i].write_bytes = wsect * 512; |
910 |
+ |
diskio_stats[i].systime = now; |
911 |
+ |
} |
912 |
+ |
} |
913 |
+ |
|
914 |
+ |
num_diskio = n; |
915 |
+ |
out: |
916 |
+ |
if (f != NULL) fclose(f); |
917 |
+ |
#endif |
918 |
+ |
|
919 |
+ |
#ifdef CYGWIN |
920 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
921 |
+ |
return NULL; |
922 |
+ |
#endif |
923 |
+ |
|
924 |
+ |
#ifdef WIN32 |
925 |
+ |
sg_set_error(SG_ERROR_NONE, NULL); |
926 |
+ |
|
927 |
+ |
while((name = get_diskio(num_diskio, &rbytes, &wbytes)) != NULL) { |
928 |
+ |
if (VECTOR_RESIZE(diskio_stats, num_diskio+1)) { |
929 |
+ |
return NULL; |
930 |
+ |
} |
931 |
+ |
|
932 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
933 |
+ |
|
934 |
+ |
if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) { |
935 |
+ |
return NULL; |
936 |
+ |
} |
937 |
+ |
sg_update_string(&name, NULL); |
938 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
939 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
940 |
+ |
|
941 |
+ |
diskio_stats_ptr->systime = 0; |
942 |
+ |
|
943 |
+ |
num_diskio++; |
944 |
+ |
} |
945 |
+ |
#endif |
946 |
+ |
|
947 |
|
*entries=num_diskio; |
948 |
|
|
949 |
|
return diskio_stats; |
950 |
|
} |
951 |
|
|
952 |
< |
diskio_stat_t *get_diskio_stat_diff(int *entries){ |
953 |
< |
static diskio_stat_t *diskio_stats_diff=NULL; |
954 |
< |
static int sizeof_diskio_stats_diff=0; |
955 |
< |
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
956 |
< |
int disks, x, y; |
952 |
> |
sg_disk_io_stats *sg_get_disk_io_stats_diff(int *entries){ |
953 |
> |
#ifndef WIN32 |
954 |
> |
VECTOR_DECLARE_STATIC(diff, sg_disk_io_stats, 1, |
955 |
> |
diskio_stat_init, diskio_stat_destroy); |
956 |
> |
sg_disk_io_stats *src = NULL, *dest; |
957 |
> |
int i, j, diff_count, new_count; |
958 |
|
|
959 |
< |
if(diskio_stats==NULL){ |
960 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
961 |
< |
*entries=disks; |
254 |
< |
return diskio_stats_ptr; |
959 |
> |
if (diskio_stats == NULL) { |
960 |
> |
/* No previous stats, so we can't calculate a difference. */ |
961 |
> |
return sg_get_disk_io_stats(entries); |
962 |
|
} |
963 |
|
|
964 |
< |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
965 |
< |
if(diskio_stats_diff==NULL){ |
964 |
> |
/* Resize the results array to match the previous stats. */ |
965 |
> |
diff_count = VECTOR_SIZE(diskio_stats); |
966 |
> |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
967 |
|
return NULL; |
968 |
|
} |
969 |
|
|
970 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
971 |
< |
diskio_stats_ptr=diskio_stats; |
970 |
> |
/* Copy the previous stats into the result. */ |
971 |
> |
for (i = 0; i < diff_count; i++) { |
972 |
> |
src = &diskio_stats[i]; |
973 |
> |
dest = &diff[i]; |
974 |
|
|
975 |
< |
for(disks=0;disks<num_diskio;disks++){ |
976 |
< |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
267 |
< |
free(diskio_stats_diff_ptr->disk_name); |
975 |
> |
if (sg_update_string(&dest->disk_name, src->disk_name) < 0) { |
976 |
> |
return NULL; |
977 |
|
} |
978 |
< |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
979 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
980 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
981 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
978 |
> |
dest->read_bytes = src->read_bytes; |
979 |
> |
dest->write_bytes = src->write_bytes; |
980 |
> |
dest->systime = src->systime; |
981 |
> |
} |
982 |
|
|
983 |
< |
diskio_stats_diff_ptr++; |
984 |
< |
diskio_stats_ptr++; |
983 |
> |
/* Get a new set of stats. */ |
984 |
> |
if (sg_get_disk_io_stats(&new_count) == NULL) { |
985 |
> |
return NULL; |
986 |
|
} |
987 |
|
|
988 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
989 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
988 |
> |
/* For each previous stat... */ |
989 |
> |
for (i = 0; i < diff_count; i++) { |
990 |
> |
dest = &diff[i]; |
991 |
|
|
992 |
< |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
993 |
< |
|
994 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
995 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
996 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
997 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
998 |
< |
}else{ |
288 |
< |
diskio_stats_ptr=diskio_stats; |
289 |
< |
for(y=0;y<disks;y++){ |
290 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
291 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
292 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
293 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
294 |
< |
|
295 |
< |
break; |
296 |
< |
} |
297 |
< |
|
298 |
< |
diskio_stats_ptr++; |
992 |
> |
/* ... find the corresponding new stat ... */ |
993 |
> |
for (j = 0; j < new_count; j++) { |
994 |
> |
/* Try the new stat in the same position first, |
995 |
> |
since that's most likely to be it. */ |
996 |
> |
src = &diskio_stats[(i + j) % new_count]; |
997 |
> |
if (strcmp(src->disk_name, dest->disk_name) == 0) { |
998 |
> |
break; |
999 |
|
} |
1000 |
|
} |
1001 |
+ |
if (j == new_count) { |
1002 |
+ |
/* No match found. */ |
1003 |
+ |
continue; |
1004 |
+ |
} |
1005 |
|
|
1006 |
< |
diskio_stats_ptr++; |
1007 |
< |
diskio_stats_diff_ptr++; |
1008 |
< |
|
1006 |
> |
/* ... and subtract the previous stat from it to get the |
1007 |
> |
difference. */ |
1008 |
> |
dest->read_bytes = src->read_bytes - dest->read_bytes; |
1009 |
> |
dest->write_bytes = src->write_bytes - dest->write_bytes; |
1010 |
> |
dest->systime = src->systime - dest->systime; |
1011 |
|
} |
1012 |
|
|
1013 |
< |
return diskio_stats_diff; |
1013 |
> |
*entries = diff_count; |
1014 |
> |
return diff; |
1015 |
> |
#else /* WIN32 */ |
1016 |
> |
return sg_get_disk_io_stats(entries); |
1017 |
> |
#endif |
1018 |
|
} |
1019 |
+ |
|
1020 |
+ |
int sg_disk_io_compare_name(const void *va, const void *vb) { |
1021 |
+ |
const sg_disk_io_stats *a = (const sg_disk_io_stats *)va; |
1022 |
+ |
const sg_disk_io_stats *b = (const sg_disk_io_stats *)vb; |
1023 |
+ |
|
1024 |
+ |
return strcmp(a->disk_name, b->disk_name); |
1025 |
+ |
} |
1026 |
+ |
|