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Completed mbtask new disk watcher

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This commit is contained in:
Michiel Broek
2004-03-20 23:00:22 +00:00
parent f2a5b62745
commit f55ff6280f
33 changed files with 132 additions and 126 deletions
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43
mbtask/taskdisk.c
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@@ -34,11 +34,6 @@
#include "taskutil.h"
int disk_reread = FALSE; /* Reread tables */
extern int T_Shutdown; /* Program shutdown */
int disk_run = FALSE; /* Thread running */
typedef struct _mfs_list {
struct _mfs_list *next; /* Linked list */
char *mountpoint; /* Mountpoint */
@@ -48,6 +43,12 @@ typedef struct _mfs_list {
} mfs_list;
mfs_list *mfs = NULL; /* List of filesystems */
int disk_reread = FALSE; /* Reread tables */
extern int T_Shutdown; /* Program shutdown */
int disk_run = FALSE; /* Thread running */
pthread_mutex_t a_mutex = PTHREAD_MUTEX_INITIALIZER;
/*
@@ -132,10 +133,10 @@ char *disk_check(char *token)
static char buf[SS_BUFSIZE];
mfs_list *tmp;
unsigned long needed;
int rc;
strtok(token, ",");
needed = atol(strtok(NULL, ";"));
Syslog('d', "disk_check(%ld)", needed);
if (! needed) {
/*
@@ -153,16 +154,24 @@ char *disk_check(char *token)
return buf;
}
if ((rc = pthread_mutex_lock(&a_mutex)))
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 ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "disk_check() mutex_unlock failed rc=%d", rc);
/*
* Enough space
*/
@@ -181,7 +190,7 @@ char *disk_getfs()
static char buf[SS_BUFSIZE];
char tt[80], *ans = NULL;
mfs_list *tmp;
int i = 0;
int rc, i = 0;
buf[0] = '\0';
if (mfs == NULL) {
@@ -189,6 +198,9 @@ char *disk_getfs()
return buf;
}
if ((rc = pthread_mutex_lock(&a_mutex)))
Syslog('!', "disk_getfs() mutex_lock failed rc=%d", rc);
for (tmp = mfs; tmp; tmp = tmp->next) {
i++;
if (ans == NULL)
@@ -201,6 +213,8 @@ char *disk_getfs()
if (i == 10) /* No more then 10 filesystems */
break;
}
if ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "disk_getfs() mutex_unlock failed rc=%d", rc);
if (strlen(ans) > (SS_BUFSIZE - 8))
sprintf(buf, "100:0;");
@@ -223,6 +237,10 @@ void update_diskstat(void)
struct statfs sfs;
unsigned long temp;
mfs_list *tmp;
int rc;
if ((rc = pthread_mutex_lock(&a_mutex)))
Syslog('!', "update_diskstat() mutex_lock failed rc=%d", rc);
for (tmp = mfs; tmp; tmp = tmp->next) {
if (statfs(tmp->mountpoint, &sfs) == 0) {
@@ -231,6 +249,9 @@ void update_diskstat(void)
tmp->avail = (unsigned long)(sfs.f_bavail * temp) / 2048L;
}
}
if ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "update_diskstat() mutex_unlock failed rc=%d", rc);
}
@@ -338,6 +359,7 @@ void *disk_thread(void)
FILE *fp;
char *temp;
mfs_list *tmp;
int rc;
Syslog('+', "Start disk thread");
disk_run = TRUE;
@@ -348,6 +370,10 @@ void *disk_thread(void)
if (disk_reread) {
disk_reread = FALSE;
Syslog('+', "Reread disk filesystems");
if ((rc = pthread_mutex_lock(&a_mutex)))
Syslog('!', "disk_thread() mutex_lock failed rc=%d", rc);
tidy_mfslist(&mfs);
add_path(getenv("MBSE_ROOT"));
@@ -489,6 +515,9 @@ void *disk_thread(void)
for (tmp = mfs; tmp; tmp = tmp->next) {
Syslog('+', "%s %s %ld %ld", tmp->mountpoint, tmp->fstype, tmp->size, tmp->avail);
}
if ((rc = pthread_mutex_unlock(&a_mutex)))
Syslog('!', "disk_thread() mutex_unlock failed rc=%d", rc);
}
update_diskstat();