Finish history format rework.

conf/options.inc

@@ -23,3 +23,4 @@ classify_headers = [
 ];
 
 control_socket = "$DBDIR/rspamd.sock mode=0600";
+history_rows = 200;

doc/markdown/configuration/options.md

@@ -48,6 +48,7 @@ symbol).
 * `min_word_len`: minimum size in letters (valid for utf8 texts as well) for a sequence of characters to be treated as a word; normally rspamd skips sequences if they are shorter or equal to three symbols.
 * `control_socket`: path/bind credits for the control socket
 * `classify_headers`: list of headers that are processed by statistics
+* `history_rows`: number of rows in the recent history roll table
 
 ## DNS options
 

src/libserver/cfg_file.h

@@ -271,6 +271,7 @@ struct rspamd_config {
 	gdouble upstream_revive_time;					/**< revive timeout for upstreams						*/
 
 	guint32 min_word_len;							/**< minimum length of the word to be considered		*/
+	guint history_rows;								/**< number of history rows stored						*/
 
 	GList *classify_headers;						/**< list of headers using for statistics				*/
 	struct module_s **compiled_modules;				/**< list of compiled C modules							*/

src/libserver/cfg_rcl.c

@@ -1447,6 +1447,11 @@ rspamd_rcl_config_init (void)
 		rspamd_rcl_parse_struct_string,
 		G_STRUCT_OFFSET (struct rspamd_config, tld_file),
 		RSPAMD_CL_FLAG_STRING_PATH);
+	rspamd_rcl_add_default_handler (sub,
+		"history_rows",
+		rspamd_rcl_parse_struct_integer,
+		G_STRUCT_OFFSET (struct rspamd_config, history_rows),
+		RSPAMD_CL_FLAG_UINT);
 
 	/**
 	 * Metric section

src/libserver/cfg_utils.c

@@ -175,6 +175,7 @@ rspamd_config_defaults (struct rspamd_config *cfg)
 
 	cfg->min_word_len = DEFAULT_MIN_WORD;
 	cfg->dns_max_requests = 64;
+	cfg->history_rows = 200;
 }
 
 void

src/rspamd.c

@@ -816,8 +816,6 @@ main (gint argc, gchar **argv, gchar **env)
 			"main");
 	rspamd_main->stat = rspamd_mempool_alloc0_shared (rspamd_main->server_pool,
 			sizeof (struct rspamd_stat));
-	/* Create rolling history */
-	rspamd_main->history = rspamd_roll_history_new (rspamd_main->server_pool);
 	rspamd_main->cfg =
 			(struct rspamd_config *) g_malloc0 (sizeof (struct rspamd_config));
 
@@ -950,6 +948,10 @@ main (gint argc, gchar **argv, gchar **env)
 		rspamd_main->cfg->log_level = G_LOG_LEVEL_DEBUG;
 	}
 
+	/* Create rolling history */
+	rspamd_main->history = rspamd_roll_history_new (rspamd_main->server_pool,
+			rspamd_main->cfg->history_rows);
+
 	gperf_profiler_init (rspamd_main->cfg, "main");
 
 	msg_info_main ("rspamd "