#include <sys/socket.h>
#include <sys/un.h>
-#include <sys/poll.h>
#include <grp.h>
return (vc);
} /* value_cache_t *cache_search */
-static int cache_alloc_name (char *ret, int ret_len,
- const char *hostname,
- const char *plugin, const char *plugin_instance,
- const char *type, const char *type_instance)
-{
- int status;
-
- assert (plugin != NULL);
- assert (type != NULL);
-
- if ((plugin_instance == NULL) || (strlen (plugin_instance) == 0))
- {
- if ((type_instance == NULL) || (strlen (type_instance) == 0))
- status = snprintf (ret, ret_len, "%s/%s/%s",
- hostname, plugin, type);
- else
- status = snprintf (ret, ret_len, "%s/%s/%s-%s",
- hostname, plugin, type, type_instance);
- }
- else
- {
- if ((type_instance == NULL) || (strlen (type_instance) == 0))
- status = snprintf (ret, ret_len, "%s/%s-%s/%s",
- hostname, plugin, plugin_instance, type);
- else
- status = snprintf (ret, ret_len, "%s/%s-%s/%s-%s",
- hostname, plugin, plugin_instance, type, type_instance);
- }
-
- if ((status < 1) || (status >= ret_len))
- return (-1);
- return (0);
-} /* int cache_alloc_name */
-
static int cache_insert (const data_set_t *ds, const value_list_t *vl)
{
/* We're called from `cache_update' so we don't need to lock the mutex */
value_cache_t *vc;
int i;
- DEBUG ("ds->ds_num = %i; vl->values_len = %i;",
- ds->ds_num, vl->values_len);
+ DEBUG ("unixsock plugin: cache_insert: ds->type = %s; ds->ds_num = %i;"
+ " vl->values_len = %i;",
+ ds->type, ds->ds_num, vl->values_len);
assert (ds->ds_num == vl->values_len);
vc = (value_cache_t *) malloc (sizeof (value_cache_t));
return (-1);
}
- if (cache_alloc_name (vc->name, sizeof (vc->name),
- vl->host, vl->plugin, vl->plugin_instance,
- ds->type, vl->type_instance) != 0)
+ if (FORMAT_VL (vc->name, sizeof (vc->name), vl, ds))
{
pthread_mutex_unlock (&cache_lock);
- ERROR ("unixsock plugin: cache_alloc_name failed.");
+ ERROR ("unixsock plugin: FORMAT_VL failed.");
free (vc->counter);
free (vc->gauge);
free (vc);
value_cache_t *vc;
int i;
- if (cache_alloc_name (name, sizeof (name),
- vl->host,
- vl->plugin, vl->plugin_instance,
- ds->type, vl->type_instance) != 0)
+ if (FORMAT_VL (name, sizeof (name), vl, ds) != 0)
return (-1);
pthread_mutex_lock (&cache_lock);
vc = cache_search (name);
+ /* pthread_mutex_lock is called by cache_insert. */
if (vc == NULL)
return (cache_insert (ds, vl));
assert (vc->values_num == ds->ds_num);
assert (vc->values_num == vl->values_len);
+ /* Avoid floating-point exceptions due to division by zero. */
+ if (vc->time >= vl->time)
+ {
+ pthread_mutex_unlock (&cache_lock);
+ ERROR ("unixsock plugin: vc->time >= vl->time. vc->time = %u; "
+ "vl->time = %u; vl = %s;",
+ (unsigned int) vc->time, (unsigned int) vl->time,
+ name);
+ return (-1);
+ } /* if (vc->time >= vl->time) */
+
/*
* Update the values. This is possibly a lot more that you'd expect
* because we honor min and max values and handle counter overflows here.
return (-1);
}
- status = cache_alloc_name (name, sizeof (name),
+ status = format_name (name, sizeof (name),
hostname, plugin, plugin_instance, type, type_instance);
/* FIXME: Send some response */
if (status != 0)
close (sock_fd);
sock_fd = -1;
+ status = unlink ((sock_file != NULL) ? sock_file : US_DEFAULT_PATH);
+ if (status != 0)
+ {
+ char errbuf[1024];
+ NOTICE ("unixsock plugin: unlink (%s) failed: %s",
+ (sock_file != NULL) ? sock_file : US_DEFAULT_PATH,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
+
return ((void *) 0);
} /* void *us_server_thread */