* Rework the whole filters system

* Add metrics optimization and symbols cache
* Change all plugins

[DRAGONS]: not for production usage, some things are still not working!

1 files changed, 54 insertions, 0 deletions

diff --git a/src/symbols_cache.h b/src/symbols_cache.h
new file mode 100644
index 000000000..e8e0be24f
--- /dev/null
+++ b/src/symbols_cache.h
@@ -0,0 +1,54 @@
+#ifndef RSPAMD_SYMBOLS_CACHE_H
+#define RSPAMD_SYMBOLS_CACHE_H
+
+#include "config.h"
+
+#define MAX_SYMBOL 128
+
+struct worker_task;
+
+typedef void (*symbol_func_t)(struct worker_task *task, gpointer user_data);
+
+struct saved_cache_item {
+	char symbol[MAX_SYMBOL];
+	double weight;
+	uint32_t frequency;
+	double avg_time;
+};
+
+struct cache_item {
+	struct saved_cache_item *s;
+	symbol_func_t func;
+	gpointer user_data;
+};
+
+struct symbols_cache {
+	struct cache_item *items;
+	guint cur_items;
+	guint used_items;
+	guint uses;
+	memory_pool_rwlock_t *lock;
+};
+
+/**
+ * Load symbols cache from file, must be called _after_ init_symbols_cache
+ */
+gboolean init_symbols_cache (memory_pool_t *pool, struct symbols_cache *cache, const char *filename);
+
+/**
+ * Register function for symbols parsing
+ * @param name name of symbol
+ * @param func pointer to handler
+ * @param user_data pointer to user_data
+ */
+void register_symbol (struct symbols_cache *cache, const char *name, double weight, symbol_func_t func, gpointer user_data);
+
+/**
+ * Call function for cached symbol using saved callback
+ * @param task task object
+ * @param cache symbols cache
+ * @param saved_item pointer to currently saved item
+ */
+gboolean call_symbol_callback (struct worker_task *task, struct symbols_cache *cache, struct cache_item **saved_item);
+
+#endif