write_tsdb: enable TCP keepalive on network socket

[collectd.git] / src / redis.c

diff --git a/src/redis.c b/src/redis.c
index 2d0bd95..7395ba0 100644 (file)
--- a/src/redis.c
+++ b/src/redis.c
@@ -21,6 +21,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 #include "configfile.h"
@@ -125,7 +126,6 @@ static redis_query_t *redis_config_query (oconfig_item_t *ci) /* {{{ */
 {
     redis_query_t *rq;
     int status;
-    int i;
 
     rq = calloc(1, sizeof(*rq));
     if (rq == NULL) {
@@ -143,7 +143,7 @@ static redis_query_t *redis_config_query (oconfig_item_t *ci) /* {{{ */
     (void)sstrncpy(rq->instance, rq->query, sizeof(rq->instance));
     replace_special(rq->instance, sizeof(rq->instance));
 
-    for (i = 0; i < ci->children_num; i++) {
+    for (int i = 0; i < ci->children_num; i++) {
         oconfig_item_t *option = ci->children + i;
 
         if (strcasecmp("Type", option->key) == 0) {
@@ -165,23 +165,22 @@ static redis_query_t *redis_config_query (oconfig_item_t *ci) /* {{{ */
 
 static int redis_config_node (oconfig_item_t *ci) /* {{{ */
 {
-  redis_node_t rn;
   redis_query_t *rq;
-  int i;
   int status;
   int timeout;
 
-  memset (&rn, 0, sizeof (rn));
+  redis_node_t rn = {
+    .port = REDIS_DEF_PORT,
+    .timeout.tv_usec = REDIS_DEF_TIMEOUT
+  };
+
   sstrncpy (rn.host, REDIS_DEF_HOST, sizeof (rn.host));
-  rn.port = REDIS_DEF_PORT;
-  rn.timeout.tv_usec = REDIS_DEF_TIMEOUT;
-  rn.queries = NULL;
 
   status = cf_util_get_string_buffer (ci, rn.name, sizeof (rn.name));
   if (status != 0)
     return (status);
 
-  for (i = 0; i < ci->children_num; i++)
+  for (int i = 0; i < ci->children_num; i++)
   {
     oconfig_item_t *option = ci->children + i;
 
@@ -229,9 +228,7 @@ static int redis_config_node (oconfig_item_t *ci) /* {{{ */
 
 static int redis_config (oconfig_item_t *ci) /* {{{ */
 {
-  int i;
-
-  for (i = 0; i < ci->children_num; i++)
+  for (int i = 0; i < ci->children_num; i++)
   {
     oconfig_item_t *option = ci->children + i;
 
@@ -379,10 +376,7 @@ static int redis_handle_query (redisContext *rh, redis_node_t *rn, redis_query_t
 
 static int redis_read (void) /* {{{ */
 {
-  redis_node_t *rn;
-  redis_query_t *rq;
-
-  for (rn = nodes_head; rn != NULL; rn = rn->next)
+  for (redis_node_t *rn = nodes_head; rn != NULL; rn = rn->next)
   {
     redisContext *rh;
     redisReply   *rr;
@@ -441,7 +435,7 @@ static int redis_read (void) /* {{{ */
     redis_handle_info (rn->name, rr->str, "total_bytes", "input", "total_net_input_bytes", DS_TYPE_DERIVE);
     redis_handle_info (rn->name, rr->str, "total_bytes", "output", "total_net_output_bytes", DS_TYPE_DERIVE);
 
-    for (rq = rn->queries; rq != NULL; rq = rq->next)
+    for (redis_query_t *rq = rn->queries; rq != NULL; rq = rq->next)
         redis_handle_query(rh, rn, rq);
 
 redis_fail: