write_riemann: add a BatchFlushTimeout option

diff --git a/src/write_riemann.c b/src/write_riemann.c
index ff7e19f..1836b6b 100644 (file)
--- a/src/write_riemann.c
+++ b/src/write_riemann.c
@@ -62,6 +62,7 @@ struct riemann_host {
        double                   ttl_factor;
     cdtime_t         batch_init;
     int              batch_max;
+    int              batch_timeout;
        int                          reference_count;
   riemann_message_t    *batch_msg;
        char                     *tls_ca_file;
@@ -515,6 +516,7 @@ static int wrr_batch_add_value_list(struct riemann_host *host, /* {{{ */
        riemann_message_t *msg;
        size_t len;
        int ret;
+    cdtime_t timeout;
 
        msg = wrr_value_list_to_message(host, ds, vl, statuses);
        if (msg == NULL)
@@ -546,7 +548,12 @@ static int wrr_batch_add_value_list(struct riemann_host *host, /* {{{ */
        ret = 0;
        if ((host->batch_max < 0) || (((size_t) host->batch_max) <= len)) {
                ret = wrr_batch_flush_nolock(0, host);
-       }
+       } else {
+        if (host->batch_timeout > 0) {
+            timeout = TIME_T_TO_CDTIME_T((time_t)host->batch_timeout);
+            ret = wrr_batch_flush_nolock(timeout, host);
+        }
+    }
 
        pthread_mutex_unlock(&host->lock);
        return ret;
@@ -659,6 +666,7 @@ static int wrr_config_node(oconfig_item_t *ci) /* {{{ */
   host->batch_mode = 1;
   host->batch_max = RIEMANN_BATCH_MAX; /* typical MSS */
   host->batch_init = cdtime();
+  host->batch_timeout = 0;
   host->ttl_factor = RIEMANN_TTL_FACTOR;
   host->client = NULL;
   host->client_type = RIEMANN_CLIENT_TCP;
@@ -704,6 +712,10 @@ static int wrr_config_node(oconfig_item_t *ci) /* {{{ */
       status = cf_util_get_int(child, &host->batch_max);
       if (status != 0)
         break;
+    } else if (strcasecmp("BatchFlushTimeout", child->key) == 0) {
+      status = cf_util_get_int(child, &host->batch_timeout);
+      if (status != 0)
+        break;
     } else if (strcasecmp("Timeout", child->key) == 0) {
       status = cf_util_get_int(child, (int *)&host->timeout.tv_sec);
       if (status != 0)