X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_graphite.c;h=e9eac87f442cf677568cdb2a0f98dbf63ca69698;hb=de80d27fe7023c2e377674b4cc341e539388b98e;hp=504ea9d45fa2e55534e1fdc62fec4a0aab01db73;hpb=1ec46a6e59cb17f11633a0c07865c2e9e44d374e;p=collectd.git diff --git a/src/write_graphite.c b/src/write_graphite.c index 504ea9d4..e9eac87f 100644 --- a/src/write_graphite.c +++ b/src/write_graphite.c @@ -49,7 +49,6 @@ #include "utils_cache.h" #include "utils_complain.h" -#include "utils_parse_option.h" #include "utils_format_graphite.h" /* Folks without pthread will need to disable this plugin. */ @@ -58,30 +57,16 @@ #include #include -#ifndef WG_DEFAULT_NODE -# define WG_DEFAULT_NODE "localhost" -#endif - -#ifndef WG_DEFAULT_SERVICE -# define WG_DEFAULT_SERVICE "2003" -#endif - -#ifndef WG_DEFAULT_PROTOCOL -# define WG_DEFAULT_PROTOCOL "tcp" -#endif - -#ifndef WG_DEFAULT_LOG_SEND_ERRORS -# define WG_DEFAULT_LOG_SEND_ERRORS 1 -#endif - -#ifndef WG_DEFAULT_ESCAPE -# define WG_DEFAULT_ESCAPE '_' -#endif +#define WG_DEFAULT_NODE "localhost" +#define WG_DEFAULT_SERVICE "2003" +#define WG_DEFAULT_PROTOCOL "tcp" +#define WG_DEFAULT_LOG_SEND_ERRORS 1 +#define WG_DEFAULT_ESCAPE '_' /* Ethernet - (IPv6 + TCP) = 1500 - (40 + 32) = 1428 */ -#ifndef WG_SEND_BUF_SIZE -# define WG_SEND_BUF_SIZE 1428 -#endif +#define WG_SEND_BUF_SIZE 1428 + +#define WG_MIN_RECONNECT_INTERVAL TIME_T_TO_CDTIME_T (1) /* * Private variables @@ -109,6 +94,7 @@ struct wg_callback pthread_mutex_t send_lock; c_complain_t init_complaint; + cdtime_t last_connect_time; }; @@ -186,6 +172,7 @@ static int wg_callback_init (struct wg_callback *cb) struct addrinfo ai_hints; struct addrinfo *ai_list; struct addrinfo *ai_ptr; + cdtime_t now; int status; const char *node = cb->node ? cb->node : WG_DEFAULT_NODE; @@ -197,6 +184,13 @@ static int wg_callback_init (struct wg_callback *cb) if (cb->sock_fd > 0) return (0); + /* Don't try to reconnect too often. By default, one reconnection attempt + * is made per second. */ + now = cdtime (); + if ((now - cb->last_connect_time) < WG_MIN_RECONNECT_INTERVAL) + return (EAGAIN); + cb->last_connect_time = now; + memset (&ai_hints, 0, sizeof (ai_hints)); #ifdef AI_ADDRCONFIG ai_hints.ai_flags |= AI_ADDRCONFIG;