commit 491ff2c: [Minor] Add some more helpers

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2022-04-13 22:16:01 +0100
URL: https://github.com/rspamd/rspamd/commit/491ff2c2d609bb2d7e35a8203413223c586f3f98

[Minor] Add some more helpers

---
 src/libserver/symcache/symcache_c.cxx        | 51 +++++++++++++++++++++++++++-
 src/libserver/symcache/symcache_internal.hxx | 10 ++++++
 2 files changed, 60 insertions(+), 1 deletion(-)

diff --git a/src/libserver/symcache/symcache_c.cxx b/src/libserver/symcache/symcache_c.cxx
index c61b17340..88a0d5605 100644
--- a/src/libserver/symcache/symcache_c.cxx
+++ b/src/libserver/symcache/symcache_c.cxx
@@ -93,4 +93,53 @@ rspamd_symcache_add_condition_delayed (struct rspamd_symcache *cache,
 	real_cache->add_delayed_condition(sym, cbref);
 
 	return TRUE;
-}
\ No newline at end of file
+}
+
+gint rspamd_symcache_find_symbol (struct rspamd_symcache *cache,
+								  const gchar *name)
+{
+	auto *real_cache = C_API_SYMCACHE(cache);
+
+	auto sym_maybe = real_cache->get_item_by_name(name, false);
+
+	if (sym_maybe != nullptr) {
+		return sym_maybe->id;
+	}
+
+	return -1;
+}
+
+gboolean rspamd_symcache_stat_symbol (struct rspamd_symcache *cache,
+									  const gchar *name,
+									  gdouble *frequency,
+									  gdouble *freq_stddev,
+									  gdouble *tm,
+									  guint *nhits)
+{
+	auto *real_cache = C_API_SYMCACHE(cache);
+
+	auto sym_maybe = real_cache->get_item_by_name(name, false);
+
+	if (sym_maybe != nullptr) {
+		*frequency = sym_maybe->st->avg_frequency;
+		*freq_stddev = sqrt(sym_maybe->st->stddev_frequency);
+		*tm = sym_maybe->st->time_counter.mean;
+
+		if (nhits) {
+			*nhits = sym_maybe->st->hits;
+		}
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+guint
+rspamd_symcache_stats_symbols_count (struct rspamd_symcache *cache)
+{
+	auto *real_cache = C_API_SYMCACHE(cache);
+	return real_cache->get_stats_symbols_count();
+}
+
diff --git a/src/libserver/symcache/symcache_internal.hxx b/src/libserver/symcache/symcache_internal.hxx
index e967bbe83..155efa1ae 100644
--- a/src/libserver/symcache/symcache_internal.hxx
+++ b/src/libserver/symcache/symcache_internal.hxx
@@ -377,6 +377,8 @@ private:
 	double total_weight;
 	std::size_t used_items;
 	std::size_t stats_symbols_count;
+
+private:
 	std::uint64_t total_hits;
 
 	struct rspamd_config *cfg;
@@ -509,6 +511,14 @@ public:
 	 * @param cbref
 	 */
 	auto add_delayed_condition(std::string_view sym, int cbref) -> void;
+
+	/**
+	 * Returns number of symbols that needs to be checked in statistical algorithm
+	 * @return
+	 */
+	auto get_stats_symbols_count() const {
+		return stats_symbols_count;
+	}
 };
 
 /*