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Updates for diskwatcher

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This commit is contained in:
Michiel Broek
2004-03-21 12:55:45 +00:00
parent f55ff6280f
commit f10a39a9e7
17 changed files with 67 additions and 82 deletions
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4
mbtask/taskcomm.c
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@@ -378,8 +378,8 @@ char *exe_cmd(char *in)
/*
* DSPC:1,n; Check free space in MBytes
* 100:1,0; No
* 100:1,1; Yes
* 100:2,0,n; No, n = lowest size in MBytes
* 100:2,1,n; Yes, n = lowest size in MBytes
* 100:1,2; Unknown
* 100:1,3; Error
*/

59
mbtask/taskdisk.c
View File

@@ -40,6 +40,7 @@ typedef struct _mfs_list {
char *fstype; /* FS type */
unsigned long size; /* Size in MB */
unsigned long avail; /* Available in MB */
unsigned ro : 1; /* Read-Only fs. */
} mfs_list;
mfs_list *mfs = NULL; /* List of filesystems */
@@ -72,6 +73,7 @@ void tidy_mfslist(mfs_list **fap)
for (tmp = *fap; tmp; tmp = old) {
old = tmp->next;
free(tmp->mountpoint);
free(tmp->fstype);
free(tmp);
}
*fap = NULL;
@@ -105,6 +107,7 @@ void fill_mfslist(mfs_list **fap, char *mountpoint, char *fstype)
tmp->fstype = xstrcpy(fstype);
tmp->size = 0L;
tmp->avail = 0L;
tmp->ro = TRUE; // Read-only, statfs will set real value.
*fap = tmp;
}
@@ -132,20 +135,12 @@ char *disk_check(char *token)
{
static char buf[SS_BUFSIZE];
mfs_list *tmp;
unsigned long needed;
unsigned long needed, lowest = 0xffffffff;
int rc;
strtok(token, ",");
needed = atol(strtok(NULL, ";"));
if (! needed) {
/*
* Answer enough space
*/
sprintf(buf, "100:1,1");
return buf;
}
if (mfs == NULL) {
/*
* Answer Error
@@ -158,24 +153,18 @@ char *disk_check(char *token)
Syslog('!', "disk_check() mutex_lock failed rc=%d", rc);
for (tmp = mfs; tmp; tmp = tmp->next) {
if (tmp->avail < needed) {
/*
* Answer Not enough space
*/
if ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "disk_check() mutex_unlock failed rc=%d", rc);
sprintf(buf, "100:1,0");
return buf;
}
if (!tmp->ro && (tmp->avail < lowest))
lowest = tmp->avail;
}
if ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "disk_check() mutex_unlock failed rc=%d", rc);
/*
* Enough space
*/
sprintf(buf, "100:1,1");
if (lowest < needed) {
sprintf(buf, "100:2,0,%ld;", lowest);
} else {
sprintf(buf, "100:2,1,%ld;", lowest);
}
return buf;
}
@@ -247,6 +236,16 @@ void update_diskstat(void)
temp = (unsigned long)(sfs.f_bsize / 512L);
tmp->size = (unsigned long)(sfs.f_blocks * temp) / 2048L;
tmp->avail = (unsigned long)(sfs.f_bavail * temp) / 2048L;
#if defined(__linux__)
/*
* The struct statfs (or statvfs) seems to have no information
* about read-only filesystems, so we guess it based on fstype.
* See man 2 statvfs about what approximately is defined.
*/
tmp->ro = (strstr(tmp->fstype, "iso") != NULL);
#elif defined(__FreeBSD__) || defined(__NetBSD__)
Syslog('-', "%s %d", tmp->mountpoint, sfs.f_flags);
#endif
}
}
@@ -283,6 +282,7 @@ void add_path(char *path)
if (S_ISDIR(sb.st_mode)) {
#if defined(__linux__)
if ((fp = fopen((char *)"/etc/mtab", "r"))) {
mtab = calloc(PATH_MAX, sizeof(char));
fsname = calloc(PATH_MAX, sizeof(char));
@@ -297,7 +297,6 @@ void add_path(char *path)
* mounted filesystem that matches must be the one we seek.
*/
if (strncmp(fs, path, strlen(fs)) == 0) {
Syslog('d', "Found fs %s", fs);
sprintf(fsname, "%s", fs);
fs = strtok(NULL, " \t");
sprintf(fstype, "%s", fs);
@@ -318,9 +317,7 @@ void add_path(char *path)
fstype = calloc(PATH_MAX, sizeof(char));
for (i = 0; i < mntsize; i++) {
Syslog('d', "Check fs %s", mntbuf[i].f_mntonname);
if (strncmp(mntbuf[i].f_mntonname, path, strlen(mntbuf[i].f_mntonname)) == 0) {
Syslog('d', "Found fs %s", mntbuf[i].f_mntonname);
sprintf(fsname, "%s", mntbuf[i].f_mntonname);
sprintf(fstype, "%s", mntbuf[i].f_fstypename);
}
@@ -331,10 +328,18 @@ void add_path(char *path)
free(fstype);
}
#else
#error "Unknow OS - don't know what to do"
#endif
} else {
Syslog('d', "**** Is not a dir");
/*
* Not a directory, maybe a file.
*/
if ((p = strrchr(path, '/')))
*p = '\0';
Syslog('d', "Recursive add name %s", path);
add_path(path);
}
} else {
/*
@@ -513,7 +518,7 @@ void *disk_thread(void)
Syslog('d', "All directories added");
for (tmp = mfs; tmp; tmp = tmp->next) {
Syslog('+', "%s %s %ld %ld", tmp->mountpoint, tmp->fstype, tmp->size, tmp->avail);
Syslog('+', "Found filesystem: %s type: %s", tmp->mountpoint, tmp->fstype);
}
if ((rc = pthread_mutex_unlock(&a_mutex)))