contrib/docker: add LD_PRELOAD wrapper to fopen/open/opendir syscalls

[collectd.git] / src / ipvs.c

diff --git a/src/ipvs.c b/src/ipvs.c
index cbb5542..6bd868e 100644 (file)
--- a/src/ipvs.c
+++ b/src/ipvs.c
@@ -31,15 +31,13 @@
  */
 
 #include "collectd.h"
+
 #include "plugin.h"
 #include "common.h"
 
 #if HAVE_ARPA_INET_H
 # include <arpa/inet.h>
 #endif /* HAVE_ARPA_INET_H */
-#if HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif /* HAVE_SYS_SOCKET_H */
 #if HAVE_NETINET_IN_H
 # include <netinet/in.h>
 #endif /* HAVE_NETINET_IN_H */
@@ -197,7 +195,7 @@ static int get_pi (struct ip_vs_service_entry *se, char *pi, size_t size)
                        (se->protocol == IPPROTO_TCP) ? "TCP" : "UDP",
                        ntohs (se->port));
 
-       if ((0 > len) || (size <= len)) {
+       if ((0 > len) || (size <= ((size_t) len))) {
                log_err ("plugin instance truncated: %s", pi);
                return -1;
        }
@@ -220,24 +218,21 @@ static int get_ti (struct ip_vs_dest_entry *de, char *ti, size_t size)
        len = ssnprintf (ti, size, "%s_%u", inet_ntoa (addr),
                        ntohs (de->port));
 
-       if ((0 > len) || (size <= len)) {
+       if ((0 > len) || (size <= ((size_t) len))) {
                log_err ("type instance truncated: %s", ti);
                return -1;
        }
        return 0;
 } /* get_ti */
 
-static void cipvs_submit_connections (char *pi, char *ti, derive_t value)
+static void cipvs_submit_connections (const char *pi, const char *ti,
+               derive_t value)
 {
-       value_t values[1];
        value_list_t vl = VALUE_LIST_INIT;
 
-       values[0].derive = value;
-
-       vl.values     = values;
+       vl.values     = &(value_t) { .derive = value };
        vl.values_len = 1;
 
-       sstrncpy (vl.host, hostname_g, sizeof (vl.host));
        sstrncpy (vl.plugin, "ipvs", sizeof (vl.plugin));
        sstrncpy (vl.plugin_instance, pi, sizeof (vl.plugin_instance));
        sstrncpy (vl.type, "connections", sizeof (vl.type));
@@ -248,19 +243,18 @@ static void cipvs_submit_connections (char *pi, char *ti, derive_t value)
        return;
 } /* cipvs_submit_connections */
 
-static void cipvs_submit_if (char *pi, char *t, char *ti,
+static void cipvs_submit_if (const char *pi, const char *t, const char *ti,
                derive_t rx, derive_t tx)
 {
-       value_t values[2];
+       value_t values[] = {
+               { .derive = rx },
+               { .derive = tx },
+       };
        value_list_t vl = VALUE_LIST_INIT;
 
-       values[0].derive = rx;
-       values[1].derive = tx;
-
        vl.values     = values;
-       vl.values_len = 2;
+       vl.values_len = STATIC_ARRAY_SIZE (values);
 
-       sstrncpy (vl.host, hostname_g, sizeof (vl.host));
        sstrncpy (vl.plugin, "ipvs", sizeof (vl.plugin));
        sstrncpy (vl.plugin_instance, pi, sizeof (vl.plugin_instance));
        sstrncpy (vl.type, t, sizeof (vl.type));
@@ -271,7 +265,8 @@ static void cipvs_submit_if (char *pi, char *t, char *ti,
        return;
 } /* cipvs_submit_if */
 
-static void cipvs_submit_dest (char *pi, struct ip_vs_dest_entry *de) {
+static void cipvs_submit_dest (const char *pi, struct ip_vs_dest_entry *de)
+{
        struct ip_vs_stats_user stats = de->stats;
 
        char ti[DATA_MAX_NAME_LEN];
@@ -292,8 +287,6 @@ static void cipvs_submit_service (struct ip_vs_service_entry *se)
 
        char pi[DATA_MAX_NAME_LEN];
 
-       int i = 0;
-
        if (0 != get_pi (se, pi, sizeof (pi)))
        {
                free (dests);
@@ -304,7 +297,7 @@ static void cipvs_submit_service (struct ip_vs_service_entry *se)
        cipvs_submit_if (pi, "if_packets", NULL, stats.inpkts, stats.outpkts);
        cipvs_submit_if (pi, "if_octets", NULL, stats.inbytes, stats.outbytes);
 
-       for (i = 0; i < dests->num_dests; ++i)
+       for (size_t i = 0; i < dests->num_dests; ++i)
                cipvs_submit_dest (pi, &dests->entrytable[i]);
 
        free (dests);
@@ -314,7 +307,6 @@ static void cipvs_submit_service (struct ip_vs_service_entry *se)
 static int cipvs_read (void)
 {
        struct ip_vs_get_services *services = NULL;
-       int i = 0;
 
        if (sockfd < 0)
                return (-1);
@@ -322,7 +314,7 @@ static int cipvs_read (void)
        if (NULL == (services = ipvs_get_services ()))
                return -1;
 
-       for (i = 0; i < services->num_services; ++i)
+       for (size_t i = 0; i < services->num_services; ++i)
                cipvs_submit_service (&services->entrytable[i]);
 
        free (services);