| 1 |
/* |
| 2 |
* i-scream central monitoring system |
| 3 |
* http://www.i-scream.org.uk |
| 4 |
* Copyright (C) 2000-2002 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. |
| 10 |
* |
| 11 |
* This program 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. |
| 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. |
| 19 |
*/ |
| 20 |
|
| 21 |
#ifdef HAVE_CONFIG_H |
| 22 |
#include "config.h" |
| 23 |
#endif |
| 24 |
|
| 25 |
#include "statgrab.h" |
| 26 |
#include <stdlib.h> |
| 27 |
#include <stdio.h> |
| 28 |
#include "ukcprog.h" |
| 29 |
#include <string.h> |
| 30 |
|
| 31 |
#ifdef SOLARIS |
| 32 |
#include <sys/mnttab.h> |
| 33 |
#include <sys/types.h> |
| 34 |
#include <sys/statvfs.h> |
| 35 |
|
| 36 |
#define VALID_FS_TYPES {"ufs", "tmpfs"} |
| 37 |
|
| 38 |
#endif |
| 39 |
|
| 40 |
#define START_VAL 1 |
| 41 |
|
| 42 |
char *copy_string(char *orig_ptr, const char *newtext){ |
| 43 |
|
| 44 |
/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */ |
| 45 |
orig_ptr=realloc(orig_ptr, (1+strlen(newtext))); |
| 46 |
if(orig_ptr==NULL){ |
| 47 |
return NULL; |
| 48 |
} |
| 49 |
strcpy(orig_ptr, newtext); |
| 50 |
|
| 51 |
return orig_ptr; |
| 52 |
} |
| 53 |
|
| 54 |
|
| 55 |
void init_disk_stat(int start, int end, disk_stat_t *disk_stats){ |
| 56 |
|
| 57 |
for(disk_stats+=start; start<=end; start++){ |
| 58 |
disk_stats->device_name=NULL; |
| 59 |
disk_stats->fs_type=NULL; |
| 60 |
disk_stats->mnt_point=NULL; |
| 61 |
|
| 62 |
disk_stats++; |
| 63 |
} |
| 64 |
|
| 65 |
} |
| 66 |
|
| 67 |
disk_stat_t *get_disk_stats(int *entries){ |
| 68 |
|
| 69 |
static disk_stat_t *disk_stats; |
| 70 |
static int watermark=-1; |
| 71 |
|
| 72 |
char *fs_types[] = VALID_FS_TYPES; |
| 73 |
int x, valid_type; |
| 74 |
|
| 75 |
int num_disks=0; |
| 76 |
struct mnttab mp; |
| 77 |
struct statvfs fs; |
| 78 |
FILE *f; |
| 79 |
|
| 80 |
disk_stat_t *disk_ptr; |
| 81 |
|
| 82 |
if(watermark==-1){ |
| 83 |
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
| 84 |
if(disk_stats==NULL){ |
| 85 |
return NULL; |
| 86 |
} |
| 87 |
watermark=START_VAL; |
| 88 |
init_disk_stat(0, watermark-1, disk_stats); |
| 89 |
} |
| 90 |
|
| 91 |
|
| 92 |
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
| 93 |
return NULL; |
| 94 |
} |
| 95 |
while((getmntent(f, &mp)) == 0){ |
| 96 |
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
| 97 |
continue; |
| 98 |
} |
| 99 |
|
| 100 |
valid_type=0; |
| 101 |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
| 102 |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
| 103 |
valid_type=1; |
| 104 |
break; |
| 105 |
} |
| 106 |
} |
| 107 |
|
| 108 |
if(valid_type){ |
| 109 |
if(num_disks>watermark-1){ |
| 110 |
disk_ptr=disk_stats; |
| 111 |
if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){ |
| 112 |
disk_stats=disk_ptr; |
| 113 |
return NULL; |
| 114 |
} |
| 115 |
|
| 116 |
watermark=watermark*2; |
| 117 |
init_disk_stat(num_disks, watermark-1, disk_stats); |
| 118 |
} |
| 119 |
|
| 120 |
disk_ptr=disk_stats+num_disks; |
| 121 |
|
| 122 |
/* Memory leak in event of realloc failing */ |
| 123 |
/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
| 124 |
Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE woul prob be upwards |
| 125 |
of a k each */ |
| 126 |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
| 127 |
return NULL; |
| 128 |
} |
| 129 |
|
| 130 |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){ |
| 131 |
return NULL; |
| 132 |
} |
| 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); |
| 141 |
|
| 142 |
disk_ptr->total_inodes=(long long)fs.f_files; |
| 143 |
disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree; |
| 144 |
disk_ptr->free_inodes=(long long)fs.f_favail; |
| 145 |
|
| 146 |
num_disks++; |
| 147 |
} |
| 148 |
} |
| 149 |
|
| 150 |
*entries=num_disks; |
| 151 |
|
| 152 |
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
| 153 |
fclose(f); |
| 154 |
|
| 155 |
return disk_stats; |
| 156 |
|
| 157 |
} |
| 158 |
|
| 159 |
diskio_stat_t get_diskio_stats(int *entries){ |
| 160 |
|
| 161 |
/* Do jibble */ |
| 162 |
return NULL; |
| 163 |
} |
