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root/i-scream/projects/cms/source/ihost/libstatgrab/disk_stat.c
Revision: 1.1
Committed: Sun May 12 22:14:15 2002 UTC (22 years, 6 months ago) by pajs
Content type: text/plain
Branch: MAIN
Log Message:
Disk stats, currently only for solaris. BSD and linux shortly

File Contents

# User Rev Content
1 pajs 1.1 #include <stdlib.h>
2     #include <stdio.h>
3     #include <ukcprog.h>
4     #include <strings.h>
5    
6     #ifdef SOLARIS
7     #include <sys/mnttab.h>
8     #include <sys/types.h>
9     #include <sys/statvfs.h>
10     #endif
11    
12     typedef struct {
13     char *device_name;
14     char *mnt_point;
15     long size;
16     long used;
17     long avail;
18     long t_inodes;
19     long f_inodes;
20     }disk_stat_t;
21    
22     typedef struct system_disks_t{
23     disk_stat_t *disk;
24     struct system_disks_t *next_disk;
25     }system_disks_t;
26    
27     char *disk_stats(){
28     system_disks_t *sd=NULL;
29     system_disks_t *sd_ptr=sd;
30     FILE *f;
31     int counter=0;
32     #ifdef SOLARIS
33     struct mnttab mp;
34     struct statvfs df;
35     #endif
36     #ifdef LINUX
37     struct mntent *mp;
38     struct statfs df;
39     #endif
40     #ifdef FREEBSD
41     int nummnt;
42     struct statfs *mp;
43     #endif
44    
45     #ifdef SOLARIS
46     if ((f=fopen("/etc/mnttab", "r" ))==NULL){
47     errf("Failed to open mounts (%m)");
48     return NULL;
49     }
50     while((getmntent(f, &mp)) == 0){
51     if ((statvfs(mp.mnt_mountp, &df)) !=0){
52     errf("Failed to gets fs stats (%m)");
53     continue;
54     }
55     if((((strcmp(mp.mnt_fstype,"ufs"))==0) || (strcmp(mp.mnt_fstype,"tmpfs")) ==0)){
56     sd_ptr=malloc(sizeof(system_disks_t));
57     sd_ptr->disk=malloc(sizeof(disk_stat_t));
58     sd_ptr->disk->device_name=strdup(mp.mnt_special);
59     sd_ptr->disk->mnt_point=strdup(mp.mnt_mountp);
60     sd_ptr->disk->size=((df.f_frsize/1024) * df.f_blocks);
61     sd_ptr->disk->used=(((df.f_frsize/1024) * df.f_blocks) -((df.f_frsize/1024) * df.f_bfree));
62     sd_ptr->disk->avail=(df.f_frsize/1024) * df.f_bavail;
63     sd_ptr->disk->t_inodes=df.f_files;
64     sd_ptr->disk->f_inodes=df.f_ffree;
65     sd_ptr->next_disk=sd;
66     sd=sd_ptr;
67     }
68    
69     }
70    
71     #endif
72     sd_ptr=sd;
73     while(sd_ptr!=NULL){
74     printf("%s\n", sd_ptr->disk->device_name);
75     printf("%s\n", sd_ptr->disk->mnt_point);
76     printf("%ld\n", sd_ptr->disk->size);
77     printf("%ld\n", sd_ptr->disk->used);
78     printf("%ld\n", sd_ptr->disk->avail);
79    
80     sd_ptr=sd_ptr->next_disk;
81     }
82    
83     return "jibble";
84     }
85    
86     int main(){
87     printf("%s",disk_stats());
88     exit(0);
89     }
90    
91    
92