X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_graphite.c;h=d3d520279bf95dd0f8edb24687ea0d490426a503;hb=6df8e688a1e45afd03aa269e1d0798905086bc86;hp=c3d6bf103490a7f2f4dfeefe33f6d42db0f9f39b;hpb=fa6404e461bf26a225d60b8dd963917894a8f846;p=collectd.git diff --git a/src/write_graphite.c b/src/write_graphite.c index c3d6bf10..d3d52027 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. */ @@ -83,6 +82,10 @@ # define WG_SEND_BUF_SIZE 1428 #endif +#ifndef WG_MIN_RECONNECT_INTERVAL +# define WG_MIN_RECONNECT_INTERVAL TIME_T_TO_CDTIME_T (1) +#endif + /* * Private variables */ @@ -109,6 +112,7 @@ struct wg_callback pthread_mutex_t send_lock; c_complain_t init_complaint; + cdtime_t last_connect_time; }; @@ -128,15 +132,17 @@ static int wg_send_buffer (struct wg_callback *cb) ssize_t status = 0; status = swrite (cb->sock_fd, cb->send_buf, strlen (cb->send_buf)); - if (cb->log_send_errors && status < 0) + if (status < 0) { - char errbuf[1024]; const char *protocol = cb->protocol ? cb->protocol : WG_DEFAULT_PROTOCOL; - ERROR ("write_graphite plugin: send to %s:%s (%s) failed with status %zi (%s)", - cb->node, cb->service, protocol, - status, sstrerror (errno, errbuf, sizeof (errbuf))); - + if (cb->log_send_errors) + { + char errbuf[1024]; + ERROR ("write_graphite plugin: send to %s:%s (%s) failed with status %zi (%s)", + cb->node, cb->service, protocol, + status, sstrerror (errno, errbuf, sizeof (errbuf))); + } close (cb->sock_fd); cb->sock_fd = -1; @@ -184,6 +190,7 @@ 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; @@ -193,6 +200,13 @@ 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;