d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Extend 'start' command: if used without any parameters, vinum scans

Browse Source 
all disks known to devstat for vinum drives and reads their
configuration.
This commit is contained in:
Greg Lehey 1999-02-11 06:14:15 +00:00
parent 730ed31899
commit f2c4d303d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=43872
1 changed files with 41 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
sbin/vinum/commands.c
View File

@ -57,6 +57,7 @@
#include <sys/wait.h>
#include <readline/history.h>
#include <readline/readline.h>
#include <devstat.h>
static void dorename(struct vinum_rename_msg *msg, const char *oldname, const char *name, int maxlen);
@ -431,9 +432,46 @@ vinum_start(int argc, char *argv[], char *arg0[])
struct _ioctl_reply reply;
struct vinum_ioctl_msg *message = (struct vinum_ioctl_msg *) &reply;
if (argc == 0) /* start everything */
fprintf(stderr, "start must have an argument\n");
else { /* start specified objects */
if (argc == 0) { /* start everything */
int devs = getnumdevs();
struct statinfo statinfo;
char *namelist;
char *enamelist; /* end of name list */
int i;
char **token; /* list of tokens */
int tokens; /* and their number */
statinfo.dinfo = malloc(devs * sizeof(struct statinfo));
namelist = malloc(devs * (DEVSTAT_NAME_LEN + 8));
token = malloc((devs + 1) * sizeof(char *));
if ((statinfo.dinfo == NULL) || (namelist == NULL) || (token == NULL)) {
fprintf(stderr, "Can't allocate memory for drive list\n");
return;
}
token[0] = "read"; /* make a read command of this mess */
tokens = 1; /* so far, it's the only token */
getdevs(&statinfo); /* find out what devices we have */
namelist[0] = '\0'; /* start with empty namelist */
enamelist = namelist; /* point to the end of the list */
for (i = 0; i < devs; i++) {
struct devstat *stat = &statinfo.dinfo->devices[i];
if (((stat->device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) /* disk device */
&&((stat->device_type & DEVSTAT_TYPE_PASS) == 0) /* and not passthrough */
&&((stat->device_name[0] != '\0'))) { /* and it has a name */
sprintf(enamelist, "/dev/%s%d", stat->device_name, stat->unit_number);
token[tokens] = enamelist; /* point to it */
tokens++; /* one more token */
enamelist = &enamelist[strlen(enamelist) + 1]; /* and start beyond the end */
}
}
free(statinfo.dinfo); /* don't need the list any more */
vinum_read(tokens, token, &token[0]); /* start the system */
free(namelist);
free(token);
} else { /* start specified objects */
int index;
enum objecttype type;