1 files changed, 116 insertions, 0 deletions
diff --git a/src/auth/auth-stats.c b/src/auth/auth-stats.c
new file mode 100644
index 0000000..71264a4
--- /dev/null
+++ b/src/auth/auth-stats.c
@@ -0,0 +1,116 @@
+/* Copyright (c) 2016-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "buffer.h"
+#include "stats.h"
+#include "stats-parser.h"
+#include "auth-stats.h"
+
+static struct stats_parser_field auth_stats_fields[] = {
+#define E(parsename, name, type) { parsename, offsetof(struct auth_stats, name), sizeof(((struct auth_stats *)0)->name), type }
+#define EN(parsename, name) E(parsename, name, STATS_PARSER_TYPE_UINT)
+	EN("auth_successes", auth_success_count),
+	EN("auth_master_successes", auth_master_success_count),
+	EN("auth_failures", auth_failure_count),
+	EN("auth_db_tempfails", auth_db_tempfail_count),
+
+	EN("auth_cache_hits", auth_cache_hit_count),
+	EN("auth_cache_misses", auth_cache_miss_count)
+};
+
+static size_t auth_stats_alloc_size(void)
+{
+	return sizeof(struct auth_stats);
+}
+
+static unsigned int auth_stats_field_count(void)
+{
+	return N_ELEMENTS(auth_stats_fields);
+}
+
+static const char *auth_stats_field_name(unsigned int n)
+{
+	i_assert(n < N_ELEMENTS(auth_stats_fields));
+
+	return auth_stats_fields[n].name;
+}
+
+static void
+auth_stats_field_value(string_t *str, const struct stats *stats,
+		       unsigned int n)
+{
+	i_assert(n < N_ELEMENTS(auth_stats_fields));
+
+	stats_parser_value(str, &auth_stats_fields[n], stats);
+}
+
+static bool
+auth_stats_diff(const struct stats *stats1, const struct stats *stats2,
+		struct stats *diff_stats_r, const char **error_r)
+{
+	return stats_parser_diff(auth_stats_fields, N_ELEMENTS(auth_stats_fields),
+				 stats1, stats2, diff_stats_r, error_r);
+}
+
+static void auth_stats_add(struct stats *dest, const struct stats *src)
+{
+	stats_parser_add(auth_stats_fields, N_ELEMENTS(auth_stats_fields),
+			 dest, src);
+}
+
+static bool
+auth_stats_have_changed(const struct stats *_prev, const struct stats *_cur)
+{
+	return memcmp(_prev, _cur, sizeof(struct auth_stats)) != 0;
+}
+
+static void auth_stats_export(buffer_t *buf, const struct stats *_stats)
+{
+	const struct auth_stats *stats = (const struct auth_stats *)_stats;
+
+	buffer_append(buf, stats, sizeof(*stats));
+}
+
+static bool
+auth_stats_import(const unsigned char *data, size_t size, size_t *pos_r,
+		  struct stats *_stats, const char **error_r)
+{
+	struct auth_stats *stats = (struct auth_stats *)_stats;
+
+	if (size < sizeof(*stats)) {
+		*error_r = "auth_stats too small";
+		return FALSE;
+	}
+	memcpy(stats, data, sizeof(*stats));
+	*pos_r = sizeof(*stats);
+	return TRUE;
+}
+
+const struct stats_vfuncs auth_stats_vfuncs = {
+	"auth",
+	auth_stats_alloc_size,
+	auth_stats_field_count,
+	auth_stats_field_name,
+	auth_stats_field_value,
+	auth_stats_diff,
+	auth_stats_add,
+	auth_stats_have_changed,
+	auth_stats_export,
+	auth_stats_import
+};
+
+/* for the stats_auth plugin: */
+void stats_auth_init(void);
+void stats_auth_deinit(void);
+
+static struct stats_item *auth_stats_item;
+
+void stats_auth_init(void)
+{
+	auth_stats_item = stats_register(&auth_stats_vfuncs);
+}
+
+void stats_auth_deinit(void)
+{
+	stats_unregister(&auth_stats_item);
+}