diff options
Diffstat (limited to 'aclk/aclk_collector_list.c')
| -rw-r--r-- | aclk/aclk_collector_list.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/aclk/aclk_collector_list.c b/aclk/aclk_collector_list.c deleted file mode 100644 index 2920c9a5..00000000 --- a/aclk/aclk_collector_list.c +++ /dev/null @@ -1,193 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later -// This is copied from Legacy ACLK, Original Author: amoss - -// TODO unmess this - -#include "aclk_collector_list.h" - -netdata_mutex_t collector_mutex = NETDATA_MUTEX_INITIALIZER; - -struct _collector *collector_list = NULL; - -/* - * Free a collector structure - */ -void _free_collector(struct _collector *collector) -{ - if (likely(collector->plugin_name)) - freez(collector->plugin_name); - - if (likely(collector->module_name)) - freez(collector->module_name); - - if (likely(collector->hostname)) - freez(collector->hostname); - - freez(collector); -} - -/* - * This will report the collector list - * - */ -#ifdef ACLK_DEBUG -static void _dump_collector_list() -{ - struct _collector *tmp_collector; - - COLLECTOR_LOCK; - - info("DUMPING ALL COLLECTORS"); - - if (unlikely(!collector_list || !collector_list->next)) { - COLLECTOR_UNLOCK; - info("DUMPING ALL COLLECTORS -- nothing found"); - return; - } - - // Note that the first entry is "dummy" - tmp_collector = collector_list->next; - - while (tmp_collector) { - info( - "COLLECTOR %s : [%s:%s] count = %u", tmp_collector->hostname, - tmp_collector->plugin_name ? tmp_collector->plugin_name : "", - tmp_collector->module_name ? tmp_collector->module_name : "", tmp_collector->count); - - tmp_collector = tmp_collector->next; - } - info("DUMPING ALL COLLECTORS DONE"); - COLLECTOR_UNLOCK; -} -#endif - -/* - * This will cleanup the collector list - * - */ -void _reset_collector_list() -{ - struct _collector *tmp_collector, *next_collector; - - COLLECTOR_LOCK; - - if (unlikely(!collector_list || !collector_list->next)) { - COLLECTOR_UNLOCK; - return; - } - - // Note that the first entry is "dummy" - tmp_collector = collector_list->next; - collector_list->count = 0; - collector_list->next = NULL; - - // We broke the link; we can unlock - COLLECTOR_UNLOCK; - - while (tmp_collector) { - next_collector = tmp_collector->next; - _free_collector(tmp_collector); - tmp_collector = next_collector; - } -} - -/* - * Find a collector (if it exists) - * Must lock before calling this - * If last_collector is not null, it will return the previous collector in the linked - * list (used in collector delete) - */ -static struct _collector *_find_collector( - const char *hostname, const char *plugin_name, const char *module_name, struct _collector **last_collector) -{ - struct _collector *tmp_collector, *prev_collector; - uint32_t plugin_hash; - uint32_t module_hash; - uint32_t hostname_hash; - - if (unlikely(!collector_list)) { - collector_list = callocz(1, sizeof(struct _collector)); - return NULL; - } - - if (unlikely(!collector_list->next)) - return NULL; - - plugin_hash = plugin_name ? simple_hash(plugin_name) : 1; - module_hash = module_name ? simple_hash(module_name) : 1; - hostname_hash = simple_hash(hostname); - - // Note that the first entry is "dummy" - tmp_collector = collector_list->next; - prev_collector = collector_list; - while (tmp_collector) { - if (plugin_hash == tmp_collector->plugin_hash && module_hash == tmp_collector->module_hash && - hostname_hash == tmp_collector->hostname_hash && (!strcmp(hostname, tmp_collector->hostname)) && - (!plugin_name || !tmp_collector->plugin_name || !strcmp(plugin_name, tmp_collector->plugin_name)) && - (!module_name || !tmp_collector->module_name || !strcmp(module_name, tmp_collector->module_name))) { - if (unlikely(last_collector)) - *last_collector = prev_collector; - - return tmp_collector; - } - - prev_collector = tmp_collector; - tmp_collector = tmp_collector->next; - } - - return tmp_collector; -} - -/* - * Called to delete a collector - * It will reduce the count (chart_count) and will remove it - * from the linked list if the count reaches zero - * The structure will be returned to the caller to free - * the resources - * - */ -struct _collector *_del_collector(const char *hostname, const char *plugin_name, const char *module_name) -{ - struct _collector *tmp_collector, *prev_collector = NULL; - - tmp_collector = _find_collector(hostname, plugin_name, module_name, &prev_collector); - - if (likely(tmp_collector)) { - --tmp_collector->count; - if (unlikely(!tmp_collector->count)) - prev_collector->next = tmp_collector->next; - } - return tmp_collector; -} - -/* - * Add a new collector (plugin / module) to the list - * If it already exists just update the chart count - * - * Lock before calling - */ -struct _collector *_add_collector(const char *hostname, const char *plugin_name, const char *module_name) -{ - struct _collector *tmp_collector; - - tmp_collector = _find_collector(hostname, plugin_name, module_name, NULL); - - if (unlikely(!tmp_collector)) { - tmp_collector = callocz(1, sizeof(struct _collector)); - tmp_collector->hostname_hash = simple_hash(hostname); - tmp_collector->plugin_hash = plugin_name ? simple_hash(plugin_name) : 1; - tmp_collector->module_hash = module_name ? simple_hash(module_name) : 1; - - tmp_collector->hostname = strdupz(hostname); - tmp_collector->plugin_name = plugin_name ? strdupz(plugin_name) : NULL; - tmp_collector->module_name = module_name ? strdupz(module_name) : NULL; - - tmp_collector->next = collector_list->next; - collector_list->next = tmp_collector; - } - tmp_collector->count++; - debug( - D_ACLK, "ADD COLLECTOR %s [%s:%s] -- chart %u", hostname, plugin_name ? plugin_name : "*", - module_name ? module_name : "*", tmp_collector->count); - return tmp_collector; -} |