void (*init) (void);
void (*read) (void);
void (*write) (char *host, char *inst, char *val);
+ void (*shutdown) (void);
struct plugin *next;
} plugin_t;
/*
* Call `read' on all plugins (if given)
*/
-void plugin_read_all (void)
+void plugin_read_all (const int *loop)
{
plugin_t *p;
- for (p = first_plugin; p != NULL; p = p->next)
+ for (p = first_plugin; (*loop == 0) && (p != NULL); p = p->next)
if (p->read != NULL)
(*p->read) ();
}
/*
+ * Call `shutdown' on all plugins (if given)
+ */
+void plugin_shutdown_all (void)
+{
+ plugin_t *p;
+
+ for (p = first_plugin; NULL != p; p = p->next)
+ if (NULL != p->shutdown)
+ (*p->shutdown) ();
+ return;
+}
+
+/*
* Add plugin to the linked list of registered plugins.
*/
void plugin_register (char *type,
p->read = read;
p->write = write;
+ p->shutdown = NULL;
+
p->next = first_plugin;
first_plugin = p;
}
/*
+ * Register the shutdown function (optional).
+ */
+int plugin_register_shutdown (char *type, void (*shutdown) (void))
+{
+ plugin_t *p = plugin_search (type);
+
+ if (NULL == p)
+ return -1;
+
+ p->shutdown = shutdown;
+ return 0;
+}
+
+/*
* Send received data back to the plugin/module which will append DS
* definitions and pass it on to ``rrd_update_file''.
*/
*/
void plugin_submit (char *type, char *inst, char *val)
{
+ if (inst == NULL)
+ inst = "-";
+
+ if ((type == NULL) || (val == NULL))
+ {
+ DBG ("Help! NULL-pointer! type = %s; inst = %s; val = %s;",
+ (type == NULL) ? "(null)" : type,
+ inst,
+ (val == NULL) ? "(null)" : val);
+ return;
+ }
+
if (operating_mode == MODE_CLIENT)
network_send (type, inst, val);
else