X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fmemcached.c;h=d91454a2010ce61a14c41001f6580aea2d86cf1f;hb=0b7cd83a5e6bac068ea83a88a5ddcfb07c09fbec;hp=5a9faf32a0a84ff6dfe333ed57dd2e12001dfc35;hpb=cb48bb1590b2953f3d0134f6d6355c61bce7304a;p=collectd.git

diff --git a/src/memcached.c b/src/memcached.c
index 5a9faf32..d91454a2 100644
--- a/src/memcached.c
+++ b/src/memcached.c
@@ -99,9 +99,8 @@ static int memcached_connect_unix(memcached_t *st) {
   /* create our socket descriptor */
   int fd = socket(AF_UNIX, SOCK_STREAM, 0);
   if (fd < 0) {
-    char errbuf[1024];
     ERROR("memcached plugin: memcached_connect_unix: socket(2) failed: %s",
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+          STRERRNO);
     return -1;
   }
 
@@ -134,12 +133,10 @@ static int memcached_connect_inet(memcached_t *st) {
 
   int status = getaddrinfo(st->connhost, st->connport, &ai_hints, &ai_list);
   if (status != 0) {
-    char errbuf[1024];
     ERROR("memcached plugin: memcached_connect_inet: "
           "getaddrinfo(%s,%s) failed: %s",
           st->connhost, st->connport,
-          (status == EAI_SYSTEM) ? sstrerror(errno, errbuf, sizeof(errbuf))
-                                 : gai_strerror(status));
+          (status == EAI_SYSTEM) ? STRERRNO : gai_strerror(status));
     return -1;
   }
 
@@ -148,10 +145,9 @@ static int memcached_connect_inet(memcached_t *st) {
     /* create our socket descriptor */
     fd = socket(ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
     if (fd < 0) {
-      char errbuf[1024];
       WARNING("memcached plugin: memcached_connect_inet: "
               "socket(2) failed: %s",
-              sstrerror(errno, errbuf, sizeof(errbuf)));
+              STRERRNO);
       continue;
     }
 
@@ -246,9 +242,8 @@ static int memcached_query_daemon(char *buffer, size_t buffer_size,
 
   status = (int)swrite(st->fd, "stats\r\n", strlen("stats\r\n"));
   if (status != 0) {
-    char errbuf[1024];
     ERROR("memcached plugin: Instance \"%s\": write(2) failed: %s", st->name,
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+          STRERRNO);
     shutdown(st->fd, SHUT_RDWR);
     close(st->fd);
     st->fd = -1;
@@ -280,13 +275,12 @@ static int memcached_query_daemon(char *buffer, size_t buffer_size,
 
     char const end_token[5] = {'E', 'N', 'D', '\r', '\n'};
     if (status < 0) {
-      char errbuf[1024];
 
       if ((errno == EAGAIN) || (errno == EWOULDBLOCK))
         continue;
 
       ERROR("memcached plugin: Instance \"%s\": Error reading from socket: %s",
-            st->name, sstrerror(errno, errbuf, sizeof(errbuf)));
+            st->name, STRERRNO);
       shutdown(st->fd, SHUT_RDWR);
       close(st->fd);
       st->fd = -1;
@@ -406,9 +400,12 @@ static gauge_t calculate_ratio_percent(derive_t part, derive_t total,
   *prev_part = part;
   *prev_total = total;
 
-  if (num == 0 || denom == 0)
+  if (denom == 0)
     return NAN;
 
+  if (num == 0)
+    return 0;
+
   return 100.0 * (gauge_t)num / (gauge_t)denom;
 }
 
@@ -426,9 +423,12 @@ static gauge_t calculate_ratio_percent2(derive_t part1, derive_t part2,
   *prev1 = part1;
   *prev2 = part2;
 
-  if (num == 0 || denom == 0)
+  if (denom == 0)
     return NAN;
 
+  if (num == 0)
+    return 0;
+
   return 100.0 * (gauge_t)num / (gauge_t)denom;
 }
 
@@ -517,7 +517,7 @@ static int memcached_read(user_data_t *user_data) {
     else if (FIELD_IS("curr_connections")) {
       submit_gauge("memcached_connections", "current", atof(fields[2]), st);
     } else if (FIELD_IS("listen_disabled_num")) {
-      submit_derive("connections", "listen_disabled", atoll(fields[2]), st);
+      submit_derive("total_events", "listen_disabled", atoll(fields[2]), st);
     }
     /*
      * Total number of connections opened since the server started running
@@ -677,10 +677,9 @@ static int memcached_add_read_callback(memcached_t *st) {
       /* group = */ "memcached",
       /* name      = */ callback_name,
       /* callback  = */ memcached_read,
-      /* interval  = */ 0,
-      &(user_data_t){
-          .data = st, .free_func = memcached_free,
-      });
+      /* interval  = */ 0, &(user_data_t){
+                               .data = st, .free_func = memcached_free,
+                           });
 } /* int memcached_add_read_callback */
 
 /* Configuration handling functiions