X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Ftokyotyrant.c;h=678a341c1ceeaf15f24a708d12567c1b8ed92f15;hb=2794e703be245165757b0bec50a6ba09ae5417f0;hp=977e11b59dd4e16d69d19386651036a1ea69853f;hpb=255f24f4990830b3f9d60c31ba2ec587a0fa960b;p=collectd.git

diff --git a/src/tokyotyrant.c b/src/tokyotyrant.c
index 977e11b5..678a341c 100644
--- a/src/tokyotyrant.c
+++ b/src/tokyotyrant.c
@@ -24,6 +24,7 @@
 #include "common.h"
 #include "utils_cache.h"
 #include "utils_parse_option.h"
+
 #include <tcrdb.h>
 
 #define DEFAULT_HOST "127.0.0.1"
@@ -39,6 +40,8 @@ static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
 static char *config_host = NULL;
 static char *config_port = NULL;
 
+static TCRDB *rdb = NULL;
+
 static int tt_config (const char *key, const char *value)
 {
 	if (strcasecmp ("Host", key) == 0)
@@ -76,7 +79,7 @@ static int tt_config (const char *key, const char *value)
 	return (0);
 }
 
-static void printerr(TCRDB *rdb)
+static void printerr()
 {
 	int ecode = tcrdbecode(rdb);
 	ERROR ("tokyotyrant plugin: error: %d, %s",
@@ -102,46 +105,68 @@ static void tt_submit (gauge_t val, const char* type)
 	plugin_dispatch_values (&vl);
 }
 
-static int tt_read (void) {
-	gauge_t rnum, size;
+static void tt_open_db (void)
+{
+	char* host = NULL;
+	int   port = DEFAULT_PORT;
 
-        char* host = NULL;
-        int   port;
+	if (rdb != NULL)
+		return;
 
-        host = ((config_host != NULL) ? config_host : DEFAULT_HOST);
-        port = ((config_port != NULL) ? atoi(config_port) : DEFAULT_PORT);
+	host = ((config_host != NULL) ? config_host : DEFAULT_HOST);
 
-	TCRDB *rdb = tcrdbnew();
+	if (config_port != NULL)
+	{
+		port = service_name_to_port_number (config_port);
+		if (port <= 0)
+			return;
+	}
 
-	if (!tcrdbopen(rdb, host, port))
+	rdb = tcrdbnew ();
+	if (rdb == NULL)
+		return;
+	else if (!tcrdbopen(rdb, host, port))
 	{
-		printerr (rdb);
+		printerr ();
 		tcrdbdel (rdb);
-		return (1);
+		rdb = NULL;
 	}
+} /* void tt_open_db */
+
+static int tt_read (void) {
+	gauge_t rnum, size;
+
+	tt_open_db ();
+	if (rdb == NULL)
+		return (-1);
 
 	rnum = tcrdbrnum(rdb);
-	size = tcrdbsize(rdb);
 	tt_submit (rnum, "records");
-	tt_submit (size, "file_size");
 
-	if (!tcrdbclose(rdb))
-	{
-		printerr (rdb);
-		tcrdbdel (rdb);
-		return (1);
-	}
+	size = tcrdbsize(rdb);
+	tt_submit (size, "file_size");
 
-        tcrdbdel (rdb);
 	return (0);
 }
 
 static int tt_shutdown(void)
 {
-        sfree(config_host);
-        sfree(config_port);
+	sfree(config_host);
+	sfree(config_port);
+
+	if (rdb != NULL)
+	{
+		if (!tcrdbclose(rdb))
+		{
+			printerr ();
+			tcrdbdel (rdb);
+			return (1);
+		}
+		tcrdbdel (rdb);
+		rdb = NULL;
+	}
 
-        return(0);
+	return(0);
 }
 
 void module_register (void)
@@ -149,7 +174,7 @@ void module_register (void)
 	plugin_register_config("tokyotyrant", tt_config,
 			config_keys, config_keys_num);
 	plugin_register_read("tokyotyrant", tt_read);
-        plugin_register_shutdown("tokyotyrant", tt_shutdown);
+	plugin_register_shutdown("tokyotyrant", tt_shutdown);
 }
 
 /* vim: set sw=8 ts=8 tw=78 : */