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out_splunk: skip the flush if payload is empty #10314

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out_splunk: skip the flush if payload is empty #10314

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10 changes: 10 additions & 0 deletions plugins/out_splunk/splunk.c
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Original file line number Diff line number Diff line change
Expand Up @@ -901,6 +901,16 @@ static void cb_splunk_flush(struct flb_event_chunk *event_chunk,
&buf_data, &buf_size, ctx);
}

/* Skipping the flush if content length is 0 */
if (buf_size == 0) {
flb_plg_warn(ctx->ins, "Content length is 0, skipping flush");
if (buf_data) {
flb_sds_destroy(buf_data);
}
/* setting the ret to -1, so the next block will take care of clean up */
ret = -1;
}

if (ret == -1) {
flb_upstream_conn_release(u_conn);
FLB_OUTPUT_RETURN(FLB_ERROR);
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