static int mc_handle_metadata_msg (Ganglia_metadata_msg *msg) /* {{{ */
{
switch (msg->id)
{
case gmetadata_full:
{
Ganglia_metadatadef msg_meta;
staging_entry_t *se;
const data_set_t *ds;
metric_map_t *map;
msg_meta = msg->Ganglia_metadata_msg_u.gfull;
if (msg_meta.metric.tmax == 0)
return (-1);
map = metric_lookup (msg_meta.metric_id.name);
if (map == NULL)
{
DEBUG ("gmond plugin: Not handling meta data %s.",
msg_meta.metric_id.name);
return (0);
}
ds = plugin_get_ds (map->type);
if (ds == NULL)
{
WARNING ("gmond plugin: Could not find data set %s.", map->type);
return (-1);
}
DEBUG ("gmond plugin: Received meta data for %s/%s.",
msg_meta.metric_id.host, msg_meta.metric_id.name);
pthread_mutex_lock (&staging_lock);
se = staging_entry_get (msg_meta.metric_id.host,
msg_meta.metric_id.name,
map->type, map->type_instance,
ds->ds_num);
if (se != NULL)
se->vl.interval = TIME_T_TO_CDTIME_T (msg_meta.metric.tmax);
pthread_mutex_unlock (&staging_lock);
if (se == NULL)
{
ERROR ("gmond plugin: staging_entry_get failed.");
return (-1);
}
break;
}
default:
{
return (-1);
}
}
return (0);
} /* }}} int mc_handle_metadata_msg */
static int staging_entry_update(const char *host, const char *name, /* {{{ */
const char *type, const char *type_instance,
size_t ds_index, int ds_type, value_t value) {
const data_set_t *ds;
staging_entry_t *se;
ds = plugin_get_ds(type);
if (ds == NULL) {
ERROR("gmond plugin: Looking up type %s failed.", type);
return (-1);
}
if (ds->ds_num <= ds_index) {
ERROR("gmond plugin: Invalid index %zu: %s has only %zu data source(s).",
ds_index, ds->type, ds->ds_num);
return (-1);
}
pthread_mutex_lock(&staging_lock);
se = staging_entry_get(host, name, type, type_instance, ds->ds_num);
if (se == NULL) {
pthread_mutex_unlock(&staging_lock);
ERROR("gmond plugin: staging_entry_get failed.");
return (-1);
}
if (se->vl.values_len != ds->ds_num) {
pthread_mutex_unlock(&staging_lock);
return (-1);
}
if (ds_type == DS_TYPE_COUNTER)
se->vl.values[ds_index].counter += value.counter;
else if (ds_type == DS_TYPE_GAUGE)
se->vl.values[ds_index].gauge = value.gauge;
else if (ds_type == DS_TYPE_DERIVE)
se->vl.values[ds_index].derive += value.derive;
else if (ds_type == DS_TYPE_ABSOLUTE)
se->vl.values[ds_index].absolute = value.absolute;
else
assert(23 == 42);
se->flags |= (0x01 << ds_index);
/* Check if all data sources have been set. If not, return here. */
if (se->flags != ((0x01 << se->vl.values_len) - 1)) {
pthread_mutex_unlock(&staging_lock);
return (0);
}
/* Check if the interval of this metric is known. If not, request meta data
* and return. */
if (se->vl.interval == 0) {
/* No meta data has been received for this metric yet. */
se->flags = 0;
pthread_mutex_unlock(&staging_lock);
request_meta_data(host, name);
return (0);
}
plugin_dispatch_values(&se->vl);
se->flags = 0;
pthread_mutex_unlock(&staging_lock);
return (0);
} /* }}} int staging_entry_update */
static int staging_entry_update (const char *host, const char *name, /* {{{ */
const char *type, const char *type_instance,
size_t ds_index, int ds_type, value_t value)
{
const data_set_t *ds;
staging_entry_t *se;
ds = plugin_get_ds (type);
if (ds == NULL)
{
ERROR ("gmond plugin: Looking up type %s failed.", type);
return (-1);
}
if (ds->ds_num <= ds_index)
{
ERROR ("gmond plugin: Invalid index %zu: %s has only %zu data source(s).",
ds_index, ds->type, ds->ds_num);
return (-1);
}
pthread_mutex_lock (&staging_lock);
se = staging_entry_get (host, name, type, type_instance, ds->ds_num);
if (se == NULL)
{
pthread_mutex_unlock (&staging_lock);
ERROR ("gmond plugin: staging_entry_get failed.");
return (-1);
}
if (se->vl.values_len != ds->ds_num)
{
pthread_mutex_unlock (&staging_lock);
return (-1);
}
if (ds_type == DS_TYPE_COUNTER)
se->vl.values[ds_index].counter += value.counter;
else if (ds_type == DS_TYPE_GAUGE)
se->vl.values[ds_index].gauge = value.gauge;
else if (ds_type == DS_TYPE_DERIVE)
se->vl.values[ds_index].derive += value.derive;
else if (ds_type == DS_TYPE_ABSOLUTE)
se->vl.values[ds_index].absolute = value.absolute;
else
assert (23 == 42);
se->flags |= (0x01 << ds_index);
/* Check if all values have been set and submit if so. */
if (se->flags == ((0x01 << se->vl.values_len) - 1))
{
/* `staging_lock' is unlocked in `staging_entry_submit'. */
staging_entry_submit (host, name, se);
}
else
{
pthread_mutex_unlock (&staging_lock);
}
return (0);
} /* }}} int staging_entry_update */
