1 |
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/* |
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* i-scream central monitoring system |
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/* |
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* i-scream libstatgrab |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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* Copyright (C) 2000-2004 i-scream |
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* |
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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 |
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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 |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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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, |
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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 |
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* GNU General Public License for more details. |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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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 |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
21 |
> |
* $Id$ |
22 |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
28 |
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#include <stdio.h> |
29 |
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#include <stdlib.h> |
30 |
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#include <string.h> |
31 |
+ |
#include <time.h> |
32 |
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#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> |
40 |
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#define VALID_FS_TYPES {"ufs", "tmpfs"} |
41 |
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#endif |
42 |
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|
43 |
< |
#ifdef LINUX |
38 |
< |
#include <time.h> |
39 |
< |
#include <sys/vfs.h> |
43 |
> |
#if defined(LINUX) || defined(CYGWIN) |
44 |
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#include <mntent.h> |
45 |
< |
#include "tools.h" |
45 |
> |
#include <sys/vfs.h> |
46 |
> |
#endif |
47 |
> |
|
48 |
> |
#ifdef LINUX |
49 |
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#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
50 |
< |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
51 |
< |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
52 |
< |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
53 |
< |
"umsdos", "vfat", "xfs", "jfs"} |
50 |
> |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
51 |
> |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
52 |
> |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
53 |
> |
"umsdos", "vfat", "xfs", "jfs"} |
54 |
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#endif |
55 |
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|
56 |
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#ifdef CYGWIN |
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#define VALID_FS_TYPES {"user"} |
58 |
+ |
#endif |
59 |
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|
60 |
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#ifdef ALLBSD |
61 |
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#include <sys/param.h> |
62 |
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#include <sys/ucred.h> |
63 |
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#include <sys/mount.h> |
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#define VALID_FS_TYPES {"ufs", "mfs", "ffs"} |
64 |
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#endif |
65 |
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#ifdef FREEBSD |
65 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
66 |
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#include <sys/dkstat.h> |
67 |
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#include <devstat.h> |
68 |
+ |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
69 |
+ |
"ufs", "mfs"} |
70 |
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#endif |
71 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
72 |
+ |
#include <sys/param.h> |
73 |
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#include <sys/sysctl.h> |
74 |
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#include <sys/disk.h> |
75 |
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#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
76 |
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"ntfs"} |
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+ |
#endif |
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|
79 |
< |
#define START_VAL 1 |
79 |
> |
static void disk_stat_init(sg_fs_stats *d) { |
80 |
> |
d->device_name = NULL; |
81 |
> |
d->fs_type = NULL; |
82 |
> |
d->mnt_point = NULL; |
83 |
> |
} |
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|
85 |
< |
char *copy_string(char *orig_ptr, const char *newtext){ |
86 |
< |
|
87 |
< |
/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */ |
88 |
< |
orig_ptr=realloc(orig_ptr, (1+strlen(newtext))); |
66 |
< |
if(orig_ptr==NULL){ |
67 |
< |
return NULL; |
68 |
< |
} |
69 |
< |
strcpy(orig_ptr, newtext); |
70 |
< |
|
71 |
< |
return orig_ptr; |
85 |
> |
static void disk_stat_destroy(sg_fs_stats *d) { |
86 |
> |
free(d->device_name); |
87 |
> |
free(d->fs_type); |
88 |
> |
free(d->mnt_point); |
89 |
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} |
90 |
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|
91 |
+ |
static int is_valid_fs_type(const char *type) { |
92 |
+ |
const char *types[] = VALID_FS_TYPES; |
93 |
+ |
int i; |
94 |
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|
95 |
< |
void init_disk_stat(int start, int end, disk_stat_t *disk_stats){ |
96 |
< |
|
97 |
< |
for(disk_stats+=start; start<=end; start++){ |
98 |
< |
disk_stats->device_name=NULL; |
79 |
< |
disk_stats->fs_type=NULL; |
80 |
< |
disk_stats->mnt_point=NULL; |
81 |
< |
|
82 |
< |
disk_stats++; |
95 |
> |
for (i = 0; i < (sizeof types / sizeof *types); i++) { |
96 |
> |
if (strcmp(types[i], type) == 0) { |
97 |
> |
return 1; |
98 |
> |
} |
99 |
|
} |
100 |
+ |
return 0; |
101 |
|
} |
102 |
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|
103 |
< |
disk_stat_t *get_disk_stats(int *entries){ |
103 |
> |
sg_fs_stats *sg_get_fs_stats(int *entries){ |
104 |
> |
VECTOR_DECLARE_STATIC(disk_stats, sg_fs_stats, 10, |
105 |
> |
disk_stat_init, disk_stat_destroy); |
106 |
|
|
107 |
< |
static disk_stat_t *disk_stats; |
89 |
< |
static int watermark=-1; |
90 |
< |
|
91 |
< |
char *fs_types[] = VALID_FS_TYPES; |
92 |
< |
int x, valid_type; |
107 |
> |
int valid_type; |
108 |
|
int num_disks=0; |
109 |
< |
#if defined(LINUX) || defined (SOLARIS) |
109 |
> |
#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) |
110 |
|
FILE *f; |
111 |
|
#endif |
112 |
|
|
113 |
< |
disk_stat_t *disk_ptr; |
113 |
> |
sg_fs_stats *disk_ptr; |
114 |
|
|
115 |
|
#ifdef SOLARIS |
116 |
|
struct mnttab mp; |
117 |
|
struct statvfs fs; |
118 |
|
#endif |
119 |
< |
#ifdef LINUX |
119 |
> |
#if defined(LINUX) || defined(CYGWIN) |
120 |
|
struct mntent *mp; |
121 |
|
struct statfs fs; |
122 |
|
#endif |
125 |
|
struct statfs *mp; |
126 |
|
#endif |
127 |
|
|
113 |
– |
if(watermark==-1){ |
114 |
– |
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
115 |
– |
if(disk_stats==NULL){ |
116 |
– |
return NULL; |
117 |
– |
} |
118 |
– |
watermark=START_VAL; |
119 |
– |
init_disk_stat(0, watermark-1, disk_stats); |
120 |
– |
} |
128 |
|
#ifdef ALLBSD |
129 |
|
nummnt=getmntinfo(&mp , MNT_LOCAL); |
130 |
|
if (nummnt<=0){ |
131 |
+ |
sg_set_error(SG_ERROR_GETMNTINFO, NULL); |
132 |
|
return NULL; |
133 |
|
} |
134 |
|
for(;nummnt--; mp++){ |
135 |
< |
valid_type=0; |
128 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
129 |
< |
if(strcmp(mp->f_fstypename, fs_types[x]) ==0){ |
130 |
< |
valid_type=1; |
131 |
< |
break; |
132 |
< |
} |
133 |
< |
} |
135 |
> |
valid_type = is_valid_fs_type(mp->f_fstypename); |
136 |
|
#endif |
137 |
|
|
138 |
< |
#ifdef LINUX |
138 |
> |
#if defined(LINUX) || defined(CYGWIN) |
139 |
|
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
140 |
+ |
sg_set_error(SG_ERROR_SETMNTENT, NULL); |
141 |
|
return NULL; |
142 |
|
} |
143 |
|
|
146 |
|
continue; |
147 |
|
} |
148 |
|
|
149 |
< |
valid_type=0; |
147 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
148 |
< |
if(strcmp(mp->mnt_type, fs_types[x]) ==0){ |
149 |
< |
valid_type=1; |
150 |
< |
break; |
151 |
< |
} |
152 |
< |
} |
149 |
> |
valid_type = is_valid_fs_type(mp->mnt_type); |
150 |
|
#endif |
151 |
|
|
152 |
|
#ifdef SOLARIS |
153 |
|
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
154 |
+ |
sg_set_error(SG_ERROR_OPEN, "/etc/mnttab"); |
155 |
|
return NULL; |
156 |
|
} |
157 |
|
while((getmntent(f, &mp)) == 0){ |
158 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
159 |
|
continue; |
160 |
|
} |
161 |
< |
valid_type=0; |
164 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
165 |
< |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
166 |
< |
valid_type=1; |
167 |
< |
break; |
168 |
< |
} |
169 |
< |
} |
161 |
> |
valid_type = is_valid_fs_type(mp.mnt_fstype); |
162 |
|
#endif |
163 |
|
|
164 |
|
if(valid_type){ |
165 |
< |
if(num_disks>watermark-1){ |
166 |
< |
disk_ptr=disk_stats; |
175 |
< |
if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){ |
176 |
< |
disk_stats=disk_ptr; |
177 |
< |
return NULL; |
178 |
< |
} |
179 |
< |
|
180 |
< |
watermark=watermark*2; |
181 |
< |
init_disk_stat(num_disks, watermark-1, disk_stats); |
165 |
> |
if (VECTOR_RESIZE(disk_stats, num_disks + 1) < 0) { |
166 |
> |
return NULL; |
167 |
|
} |
183 |
– |
|
168 |
|
disk_ptr=disk_stats+num_disks; |
169 |
+ |
|
170 |
|
#ifdef ALLBSD |
171 |
< |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
171 |
> |
if (sg_update_string(&disk_ptr->device_name, mp->f_mntfromname) < 0) { |
172 |
|
return NULL; |
173 |
|
} |
174 |
< |
|
190 |
< |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->f_fstypename))==NULL){ |
174 |
> |
if (sg_update_string(&disk_ptr->fs_type, mp->f_fstypename) < 0) { |
175 |
|
return NULL; |
176 |
|
} |
177 |
< |
|
194 |
< |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->f_mntonname))==NULL){ |
177 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp->f_mntonname) < 0) { |
178 |
|
return NULL; |
179 |
|
} |
180 |
|
|
187 |
|
/* Freebsd doesn't have a "available" inodes */ |
188 |
|
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
189 |
|
#endif |
190 |
< |
#ifdef LINUX |
191 |
< |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
190 |
> |
#if defined(LINUX) || defined(CYGWIN) |
191 |
> |
if (sg_update_string(&disk_ptr->device_name, mp->mnt_fsname) < 0) { |
192 |
|
return NULL; |
193 |
|
} |
194 |
|
|
195 |
< |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->mnt_type))==NULL){ |
195 |
> |
if (sg_update_string(&disk_ptr->fs_type, mp->mnt_type) < 0) { |
196 |
|
return NULL; |
197 |
|
} |
198 |
|
|
199 |
< |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->mnt_dir))==NULL){ |
199 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp->mnt_dir) < 0) { |
200 |
|
return NULL; |
201 |
|
} |
202 |
|
disk_ptr->size = (long long)fs.f_bsize * (long long)fs.f_blocks; |
210 |
|
#endif |
211 |
|
|
212 |
|
#ifdef SOLARIS |
230 |
– |
/* Memory leak in event of realloc failing */ |
213 |
|
/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
214 |
|
* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob |
215 |
|
* be upwards of a k each |
216 |
|
*/ |
217 |
< |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
217 |
> |
if (sg_update_string(&disk_ptr->device_name, mp.mnt_special) < 0) { |
218 |
|
return NULL; |
219 |
|
} |
220 |
|
|
221 |
< |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){ |
222 |
< |
return NULL; |
223 |
< |
} |
221 |
> |
if (sg_update_string(&disk_ptr->fs_type, mp.mnt_fstype) < 0) { |
222 |
> |
return NULL; |
223 |
> |
} |
224 |
|
|
225 |
< |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp.mnt_mountp))==NULL){ |
226 |
< |
return NULL; |
227 |
< |
} |
225 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp.mnt_mountp) < 0) { |
226 |
> |
return NULL; |
227 |
> |
} |
228 |
|
|
229 |
|
disk_ptr->size = (long long)fs.f_frsize * (long long)fs.f_blocks; |
230 |
|
disk_ptr->avail = (long long)fs.f_frsize * (long long)fs.f_bavail; |
240 |
|
|
241 |
|
*entries=num_disks; |
242 |
|
|
243 |
< |
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
244 |
< |
#if defined(LINUX) || defined(SOLARIS) |
243 |
> |
/* If this fails, there is very little i can do about it, so |
244 |
> |
I'll ignore it :) */ |
245 |
> |
#if defined(LINUX) || defined(CYGWIN) |
246 |
> |
endmntent(f); |
247 |
> |
#endif |
248 |
> |
#if defined(SOLARIS) |
249 |
|
fclose(f); |
250 |
|
#endif |
251 |
|
|
252 |
|
return disk_stats; |
253 |
|
|
254 |
|
} |
269 |
– |
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
255 |
|
|
256 |
< |
for(diskio_stats+=start; start<end; start++){ |
257 |
< |
diskio_stats->disk_name=NULL; |
258 |
< |
|
259 |
< |
diskio_stats++; |
260 |
< |
} |
256 |
> |
int sg_fs_compare_device_name(const void *va, const void *vb) { |
257 |
> |
const sg_fs_stats *a = (const sg_fs_stats *)va; |
258 |
> |
const sg_fs_stats *b = (const sg_fs_stats *)vb; |
259 |
> |
|
260 |
> |
return strcmp(a->device_name, b->device_name); |
261 |
|
} |
262 |
|
|
263 |
< |
diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){ |
263 |
> |
int sg_fs_compare_mnt_point(const void *va, const void *vb) { |
264 |
> |
const sg_fs_stats *a = (const sg_fs_stats *)va; |
265 |
> |
const sg_fs_stats *b = (const sg_fs_stats *)vb; |
266 |
|
|
267 |
< |
if(diskio_stats==NULL){ |
267 |
> |
return strcmp(a->mnt_point, b->mnt_point); |
268 |
> |
} |
269 |
|
|
270 |
< |
if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){ |
271 |
< |
return NULL; |
272 |
< |
} |
285 |
< |
diskio_stat_init(0, needed_entries, diskio_stats); |
286 |
< |
*cur_entries=needed_entries; |
270 |
> |
static void diskio_stat_init(sg_disk_io_stats *d) { |
271 |
> |
d->disk_name = NULL; |
272 |
> |
} |
273 |
|
|
274 |
< |
return diskio_stats; |
275 |
< |
} |
290 |
< |
|
291 |
< |
|
292 |
< |
if(*cur_entries<needed_entries){ |
293 |
< |
diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries)); |
294 |
< |
if(diskio_stats==NULL){ |
295 |
< |
return NULL; |
296 |
< |
} |
297 |
< |
diskio_stat_init(*cur_entries, needed_entries, diskio_stats); |
298 |
< |
*cur_entries=needed_entries; |
299 |
< |
} |
300 |
< |
|
301 |
< |
return diskio_stats; |
274 |
> |
static void diskio_stat_destroy(sg_disk_io_stats *d) { |
275 |
> |
free(d->disk_name); |
276 |
|
} |
277 |
|
|
278 |
< |
static diskio_stat_t *diskio_stats=NULL; |
279 |
< |
static int num_diskio=0; |
278 |
> |
VECTOR_DECLARE_STATIC(diskio_stats, sg_disk_io_stats, 10, |
279 |
> |
diskio_stat_init, diskio_stat_destroy); |
280 |
|
|
281 |
|
#ifdef LINUX |
282 |
|
typedef struct { |
285 |
|
} partition; |
286 |
|
#endif |
287 |
|
|
288 |
< |
diskio_stat_t *get_diskio_stats(int *entries){ |
288 |
> |
sg_disk_io_stats *sg_get_disk_io_stats(int *entries){ |
289 |
> |
int num_diskio; |
290 |
> |
#ifndef LINUX |
291 |
> |
sg_disk_io_stats *diskio_stats_ptr; |
292 |
> |
#endif |
293 |
|
|
316 |
– |
static int sizeof_diskio_stats=0; |
317 |
– |
diskio_stat_t *diskio_stats_ptr; |
318 |
– |
|
294 |
|
#ifdef SOLARIS |
295 |
< |
kstat_ctl_t *kc; |
296 |
< |
kstat_t *ksp; |
295 |
> |
kstat_ctl_t *kc; |
296 |
> |
kstat_t *ksp; |
297 |
|
kstat_io_t kios; |
298 |
|
#endif |
299 |
|
#ifdef LINUX |
300 |
|
FILE *f; |
301 |
|
char *line_ptr; |
302 |
|
int major, minor; |
328 |
– |
char dev_letter; |
303 |
|
int has_pp_stats = 1; |
304 |
< |
static partition *parts = NULL; |
331 |
< |
static int alloc_parts = 0; |
304 |
> |
VECTOR_DECLARE_STATIC(parts, partition, 16, NULL, NULL); |
305 |
|
int i, n; |
306 |
|
time_t now; |
307 |
+ |
const char *format; |
308 |
|
#endif |
309 |
< |
#ifdef FREEBSD |
309 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
310 |
|
static struct statinfo stats; |
311 |
|
static int stats_init = 0; |
312 |
|
int counter; |
316 |
|
struct devstat *dev_ptr; |
317 |
|
#endif |
318 |
|
#ifdef NETBSD |
319 |
< |
/* FIXME get_diskio_stats NYI on NetBSD. |
346 |
< |
* See vmstat/dkstats.c in NetBSD source for examples. |
347 |
< |
*/ |
319 |
> |
struct disk_sysctl *stats; |
320 |
|
#endif |
321 |
+ |
#ifdef OPENBSD |
322 |
+ |
int diskcount; |
323 |
+ |
char *disknames, *name, *bufpp; |
324 |
+ |
char **dk_name; |
325 |
+ |
struct diskstats *stats; |
326 |
+ |
#endif |
327 |
+ |
#ifdef NETBSD |
328 |
+ |
#define MIBSIZE 3 |
329 |
+ |
#endif |
330 |
+ |
#ifdef OPENBSD |
331 |
+ |
#define MIBSIZE 2 |
332 |
+ |
#endif |
333 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
334 |
+ |
int num_disks, i; |
335 |
+ |
int mib[MIBSIZE]; |
336 |
+ |
size_t size; |
337 |
+ |
#endif |
338 |
+ |
|
339 |
|
num_diskio=0; |
340 |
|
|
341 |
< |
#ifdef FREEBSD |
341 |
> |
#ifdef OPENBSD |
342 |
> |
mib[0] = CTL_HW; |
343 |
> |
mib[1] = HW_DISKCOUNT; |
344 |
> |
|
345 |
> |
size = sizeof(diskcount); |
346 |
> |
if (sysctl(mib, MIBSIZE, &diskcount, &size, NULL, 0) < 0) { |
347 |
> |
sg_error(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKCOUNT"); |
348 |
> |
return NULL; |
349 |
> |
} |
350 |
> |
|
351 |
> |
mib[0] = CTL_HW; |
352 |
> |
mib[1] = HW_DISKNAMES; |
353 |
> |
|
354 |
> |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
355 |
> |
sg_error(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES"); |
356 |
> |
return NULL; |
357 |
> |
} |
358 |
> |
|
359 |
> |
disknames = sg_malloc(size); |
360 |
> |
if (disknames == NULL) { |
361 |
> |
return NULL; |
362 |
> |
} |
363 |
> |
|
364 |
> |
if (sysctl(mib, MIBSIZE, disknames, &size, NULL, 0) < 0) { |
365 |
> |
sg_error(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKNAMES"); |
366 |
> |
return NULL; |
367 |
> |
} |
368 |
> |
|
369 |
> |
dk_name = sg_malloc(diskcount * sizeof(char *)); |
370 |
> |
bufpp = disknames; |
371 |
> |
for (i = 0; i < diskcount && (name = strsep(&bufpp, ",")) != NULL; i++) { |
372 |
> |
dk_name[i] = name; |
373 |
> |
} |
374 |
> |
#endif |
375 |
> |
|
376 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
377 |
> |
mib[0] = CTL_HW; |
378 |
> |
mib[1] = HW_DISKSTATS; |
379 |
> |
#ifdef NETBSD |
380 |
> |
mib[2] = sizeof(struct disk_sysctl); |
381 |
> |
#endif |
382 |
> |
|
383 |
> |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
384 |
> |
sg_error(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS"); |
385 |
> |
return NULL; |
386 |
> |
} |
387 |
> |
|
388 |
> |
#ifdef NETBSD |
389 |
> |
num_disks = size / sizeof(struct disk_sysctl); |
390 |
> |
#else |
391 |
> |
num_disks = size / sizeof(struct diskstats); |
392 |
> |
#endif |
393 |
> |
|
394 |
> |
stats = sg_malloc(size); |
395 |
> |
if (stats == NULL) { |
396 |
> |
return NULL; |
397 |
> |
} |
398 |
> |
|
399 |
> |
if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) { |
400 |
> |
sg_error(SG_ERROR_SYSCTL, "CTL_HW.HW_DISKSTATS"); |
401 |
> |
return NULL; |
402 |
> |
} |
403 |
> |
|
404 |
> |
for (i = 0; i < num_disks; i++) { |
405 |
> |
const char *name; |
406 |
> |
u_int64_t rbytes, wbytes; |
407 |
> |
|
408 |
> |
#ifdef NETBSD |
409 |
> |
#ifdef HAVE_DK_RBYTES |
410 |
> |
rbytes = stats[i].dk_rbytes; |
411 |
> |
wbytes = stats[i].dk_wbytes; |
412 |
> |
#else |
413 |
> |
/* Before 1.7, NetBSD merged reads and writes. */ |
414 |
> |
rbytes = wbytes = stats[i].dk_bytes; |
415 |
> |
#endif |
416 |
> |
#else |
417 |
> |
rbytes = wbytes = stats[i].ds_bytes; |
418 |
> |
#endif |
419 |
> |
|
420 |
> |
/* Don't keep stats for disks that have never been used. */ |
421 |
> |
if (rbytes == 0 && wbytes == 0) { |
422 |
> |
continue; |
423 |
> |
} |
424 |
> |
|
425 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
426 |
> |
return NULL; |
427 |
> |
} |
428 |
> |
diskio_stats_ptr = diskio_stats + num_diskio; |
429 |
> |
|
430 |
> |
diskio_stats_ptr->read_bytes = rbytes; |
431 |
> |
diskio_stats_ptr->write_bytes = wbytes; |
432 |
> |
#ifdef NETBSD |
433 |
> |
name = stats[i].dk_name; |
434 |
> |
#else |
435 |
> |
name = dk_name[i]; |
436 |
> |
#endif |
437 |
> |
if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) { |
438 |
> |
return NULL; |
439 |
> |
} |
440 |
> |
diskio_stats_ptr->systime = time(NULL); |
441 |
> |
|
442 |
> |
num_diskio++; |
443 |
> |
} |
444 |
> |
|
445 |
> |
free(stats); |
446 |
> |
#ifdef OPENBSD |
447 |
> |
free(dk_name); |
448 |
> |
free(disknames); |
449 |
> |
#endif |
450 |
> |
#endif |
451 |
> |
|
452 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
453 |
|
if (!stats_init) { |
454 |
< |
stats.dinfo=malloc(sizeof(struct devinfo)); |
454 |
> |
stats.dinfo=sg_malloc(sizeof(struct devinfo)); |
455 |
|
if(stats.dinfo==NULL) return NULL; |
456 |
|
bzero(stats.dinfo, sizeof(struct devinfo)); |
457 |
|
stats_init = 1; |
458 |
|
} |
459 |
|
#ifdef FREEBSD5 |
460 |
< |
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
460 |
> |
if ((devstat_getdevs(NULL, &stats)) < 0) { |
461 |
> |
sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL); |
462 |
> |
return NULL; |
463 |
> |
} |
464 |
|
/* Not aware of a get all devices, so i said 999. If we ever |
465 |
|
* find a machine with more than 999 disks, then i'll change |
466 |
|
* this number :) |
467 |
|
*/ |
468 |
< |
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) return NULL; |
468 |
> |
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) { |
469 |
> |
sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL); |
470 |
> |
return NULL; |
471 |
> |
} |
472 |
|
#else |
473 |
< |
if ((getdevs(&stats)) < 0) return NULL; |
473 |
> |
if ((getdevs(&stats)) < 0) { |
474 |
> |
sg_set_error(SG_ERROR_DEVSTAT_GETDEVS, NULL); |
475 |
> |
return NULL; |
476 |
> |
} |
477 |
|
/* Not aware of a get all devices, so i said 999. If we ever |
478 |
|
* find a machine with more than 999 disks, then i'll change |
479 |
|
* this number :) |
480 |
|
*/ |
481 |
< |
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) return NULL; |
481 |
> |
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) { |
482 |
> |
sg_set_error(SG_ERROR_DEVSTAT_SELECTDEVS, NULL); |
483 |
> |
return NULL; |
484 |
> |
} |
485 |
|
#endif |
486 |
|
|
487 |
|
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
496 |
|
#else |
497 |
|
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
498 |
|
#endif |
499 |
< |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
499 |
> |
|
500 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
501 |
|
return NULL; |
502 |
|
} |
503 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
510 |
|
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
511 |
|
#endif |
512 |
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
513 |
< |
asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number); |
513 |
> |
if (asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number) == -1) { |
514 |
> |
sg_set_error(SG_ERROR_ASPRINTF, NULL); |
515 |
> |
return NULL; |
516 |
> |
} |
517 |
|
diskio_stats_ptr->systime=time(NULL); |
518 |
|
|
519 |
|
num_diskio++; |
523 |
|
#endif |
524 |
|
#ifdef SOLARIS |
525 |
|
if ((kc = kstat_open()) == NULL) { |
526 |
< |
return NULL; |
527 |
< |
} |
526 |
> |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
527 |
> |
return NULL; |
528 |
> |
} |
529 |
|
|
530 |
|
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
531 |
< |
if (!strcmp(ksp->ks_class, "disk")) { |
531 |
> |
if (!strcmp(ksp->ks_class, "disk")) { |
532 |
|
|
533 |
|
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
534 |
|
/* We dont want metadevices appearins as num_diskio */ |
535 |
|
if(strcmp(ksp->ks_module, "md")==0) continue; |
536 |
< |
if((kstat_read(kc, ksp, &kios))==-1){ |
536 |
> |
if((kstat_read(kc, ksp, &kios))==-1){ |
537 |
|
} |
538 |
|
|
539 |
< |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
539 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
540 |
|
kstat_close(kc); |
541 |
|
return NULL; |
542 |
|
} |
543 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
544 |
|
|
545 |
|
diskio_stats_ptr->read_bytes=kios.nread; |
428 |
– |
|
546 |
|
diskio_stats_ptr->write_bytes=kios.nwritten; |
547 |
< |
|
548 |
< |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
549 |
< |
|
550 |
< |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
547 |
> |
if (sg_update_string(&diskio_stats_ptr->disk_name, |
548 |
> |
sg_get_svr_from_bsd(ksp->ks_name)) < 0) { |
549 |
> |
return NULL; |
550 |
> |
} |
551 |
|
diskio_stats_ptr->systime=time(NULL); |
552 |
+ |
|
553 |
|
num_diskio++; |
554 |
|
} |
555 |
|
} |
562 |
|
n = 0; |
563 |
|
|
564 |
|
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
565 |
< |
have statistics in here too, so we can use those directly. */ |
565 |
> |
have statistics in here too, so we can use those directly. |
566 |
> |
2.6 kernels have /proc/diskstats instead with almost (but not quite) |
567 |
> |
the same format. */ |
568 |
|
|
569 |
< |
f = fopen("/proc/partitions", "r"); |
569 |
> |
f = fopen("/proc/diskstats", "r"); |
570 |
> |
format = " %d %d %99s %*d %*d %lld %*d %*d %*d %lld"; |
571 |
> |
if (f == NULL) { |
572 |
> |
f = fopen("/proc/partitions", "r"); |
573 |
> |
format = " %d %d %*d %99s %*d %*d %lld %*d %*d %*d %lld"; |
574 |
> |
} |
575 |
|
if (f == NULL) goto out; |
576 |
|
now = time(NULL); |
577 |
|
|
578 |
< |
while ((line_ptr = f_read_line(f, "")) != NULL) { |
579 |
< |
char name[20]; |
578 |
> |
while ((line_ptr = sg_f_read_line(f, "")) != NULL) { |
579 |
> |
char name[100]; |
580 |
|
char *s; |
581 |
|
long long rsect, wsect; |
582 |
|
|
583 |
< |
int nr = sscanf(line_ptr, |
459 |
< |
" %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld", |
583 |
> |
int nr = sscanf(line_ptr, format, |
584 |
|
&major, &minor, name, &rsect, &wsect); |
585 |
|
if (nr < 3) continue; |
462 |
– |
if (nr < 5) { |
463 |
– |
has_pp_stats = 0; |
464 |
– |
rsect = 0; |
465 |
– |
wsect = 0; |
466 |
– |
} |
586 |
|
|
587 |
|
/* Skip device names ending in numbers, since they're |
588 |
|
partitions. */ |
591 |
|
--s; |
592 |
|
if (*s >= '0' && *s <= '9') continue; |
593 |
|
|
594 |
< |
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
595 |
< |
diskio_stats); |
596 |
< |
if (diskio_stats == NULL) goto out; |
597 |
< |
if (n >= alloc_parts) { |
479 |
< |
alloc_parts += 16; |
480 |
< |
parts = realloc(parts, alloc_parts * sizeof *parts); |
481 |
< |
if (parts == NULL) { |
482 |
< |
alloc_parts = 0; |
483 |
< |
goto out; |
484 |
< |
} |
594 |
> |
if (nr < 5) { |
595 |
> |
has_pp_stats = 0; |
596 |
> |
rsect = 0; |
597 |
> |
wsect = 0; |
598 |
|
} |
599 |
|
|
600 |
< |
if (diskio_stats[n].disk_name != NULL) |
601 |
< |
free(diskio_stats[n].disk_name); |
602 |
< |
diskio_stats[n].disk_name = strdup(name); |
600 |
> |
if (VECTOR_RESIZE(diskio_stats, n + 1) < 0) { |
601 |
> |
goto out; |
602 |
> |
} |
603 |
> |
if (VECTOR_RESIZE(parts, n + 1) < 0) { |
604 |
> |
goto out; |
605 |
> |
} |
606 |
> |
|
607 |
> |
if (sg_update_string(&diskio_stats[n].disk_name, name) < 0) { |
608 |
> |
goto out; |
609 |
> |
} |
610 |
|
diskio_stats[n].read_bytes = rsect * 512; |
611 |
|
diskio_stats[n].write_bytes = wsect * 512; |
612 |
|
diskio_stats[n].systime = now; |
616 |
|
n++; |
617 |
|
} |
618 |
|
|
619 |
+ |
fclose(f); |
620 |
+ |
f = NULL; |
621 |
+ |
|
622 |
|
if (!has_pp_stats) { |
623 |
< |
/* This is an older kernel without stats in /proc/partitions. |
624 |
< |
Read what we can from /proc/stat instead. */ |
623 |
> |
/* This is an older kernel where /proc/partitions doesn't |
624 |
> |
contain stats. Read what we can from /proc/stat instead, and |
625 |
> |
fill in the appropriate bits of the list allocated above. */ |
626 |
|
|
627 |
|
f = fopen("/proc/stat", "r"); |
628 |
|
if (f == NULL) goto out; |
629 |
|
now = time(NULL); |
630 |
|
|
631 |
< |
line_ptr = f_read_line(f, "disk_io:"); |
631 |
> |
line_ptr = sg_f_read_line(f, "disk_io:"); |
632 |
|
if (line_ptr == NULL) goto out; |
633 |
|
|
634 |
|
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
689 |
|
num_diskio = n; |
690 |
|
out: |
691 |
|
if (f != NULL) fclose(f); |
692 |
+ |
#endif |
693 |
|
|
694 |
+ |
#ifdef CYGWIN |
695 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); |
696 |
+ |
return NULL; |
697 |
|
#endif |
698 |
+ |
|
699 |
|
*entries=num_diskio; |
700 |
|
|
701 |
|
return diskio_stats; |
702 |
|
} |
703 |
|
|
704 |
< |
diskio_stat_t *get_diskio_stats_diff(int *entries){ |
705 |
< |
static diskio_stat_t *diskio_stats_diff=NULL; |
706 |
< |
static int sizeof_diskio_stats_diff=0; |
707 |
< |
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
708 |
< |
int disks, x, y; |
704 |
> |
sg_disk_io_stats *sg_get_disk_io_stats_diff(int *entries){ |
705 |
> |
VECTOR_DECLARE_STATIC(diff, sg_disk_io_stats, 1, |
706 |
> |
diskio_stat_init, diskio_stat_destroy); |
707 |
> |
sg_disk_io_stats *src = NULL, *dest; |
708 |
> |
int i, j, diff_count, new_count; |
709 |
|
|
710 |
< |
if(diskio_stats==NULL){ |
711 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
712 |
< |
*entries=disks; |
584 |
< |
return diskio_stats_ptr; |
710 |
> |
if (diskio_stats == NULL) { |
711 |
> |
/* No previous stats, so we can't calculate a difference. */ |
712 |
> |
return sg_get_disk_io_stats(entries); |
713 |
|
} |
714 |
|
|
715 |
< |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
716 |
< |
if(diskio_stats_diff==NULL){ |
715 |
> |
/* Resize the results array to match the previous stats. */ |
716 |
> |
diff_count = VECTOR_SIZE(diskio_stats); |
717 |
> |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
718 |
|
return NULL; |
719 |
|
} |
720 |
|
|
721 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
722 |
< |
diskio_stats_ptr=diskio_stats; |
721 |
> |
/* Copy the previous stats into the result. */ |
722 |
> |
for (i = 0; i < diff_count; i++) { |
723 |
> |
src = &diskio_stats[i]; |
724 |
> |
dest = &diff[i]; |
725 |
|
|
726 |
< |
for(disks=0;disks<num_diskio;disks++){ |
727 |
< |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
597 |
< |
free(diskio_stats_diff_ptr->disk_name); |
726 |
> |
if (sg_update_string(&dest->disk_name, src->disk_name) < 0) { |
727 |
> |
return NULL; |
728 |
|
} |
729 |
< |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
730 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
731 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
732 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
729 |
> |
dest->read_bytes = src->read_bytes; |
730 |
> |
dest->write_bytes = src->write_bytes; |
731 |
> |
dest->systime = src->systime; |
732 |
> |
} |
733 |
|
|
734 |
< |
diskio_stats_diff_ptr++; |
735 |
< |
diskio_stats_ptr++; |
734 |
> |
/* Get a new set of stats. */ |
735 |
> |
if (sg_get_disk_io_stats(&new_count) == NULL) { |
736 |
> |
return NULL; |
737 |
|
} |
738 |
|
|
739 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
740 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
739 |
> |
/* For each previous stat... */ |
740 |
> |
for (i = 0; i < diff_count; i++) { |
741 |
> |
dest = &diff[i]; |
742 |
|
|
743 |
< |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
744 |
< |
|
745 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
746 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
747 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
748 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
749 |
< |
}else{ |
618 |
< |
diskio_stats_ptr=diskio_stats; |
619 |
< |
for(y=0;y<disks;y++){ |
620 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
621 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
622 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
623 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
624 |
< |
|
625 |
< |
break; |
626 |
< |
} |
627 |
< |
|
628 |
< |
diskio_stats_ptr++; |
743 |
> |
/* ... find the corresponding new stat ... */ |
744 |
> |
for (j = 0; j < new_count; j++) { |
745 |
> |
/* Try the new stat in the same position first, |
746 |
> |
since that's most likely to be it. */ |
747 |
> |
src = &diskio_stats[(i + j) % new_count]; |
748 |
> |
if (strcmp(src->disk_name, dest->disk_name) == 0) { |
749 |
> |
break; |
750 |
|
} |
751 |
|
} |
752 |
+ |
if (j == new_count) { |
753 |
+ |
/* No match found. */ |
754 |
+ |
continue; |
755 |
+ |
} |
756 |
|
|
757 |
< |
diskio_stats_ptr++; |
758 |
< |
diskio_stats_diff_ptr++; |
759 |
< |
|
757 |
> |
/* ... and subtract the previous stat from it to get the |
758 |
> |
difference. */ |
759 |
> |
dest->read_bytes = src->read_bytes - dest->read_bytes; |
760 |
> |
dest->write_bytes = src->write_bytes - dest->write_bytes; |
761 |
> |
dest->systime = src->systime - dest->systime; |
762 |
|
} |
763 |
< |
|
764 |
< |
*entries=sizeof_diskio_stats_diff; |
765 |
< |
return diskio_stats_diff; |
763 |
> |
|
764 |
> |
*entries = diff_count; |
765 |
> |
return diff; |
766 |
|
} |
767 |
+ |
|
768 |
+ |
int sg_disk_io_compare_name(const void *va, const void *vb) { |
769 |
+ |
const sg_disk_io_stats *a = (const sg_disk_io_stats *)va; |
770 |
+ |
const sg_disk_io_stats *b = (const sg_disk_io_stats *)vb; |
771 |
+ |
|
772 |
+ |
return strcmp(a->disk_name, b->disk_name); |
773 |
+ |
} |
774 |
+ |
|