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in_tail: signal pending only once #9054

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in_tail: signal pending only once #9054

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12 changes: 11 additions & 1 deletion plugins/in_tail/tail_fs_stat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,9 @@ static int tail_fs_check(struct flb_input_instance *ins,
struct flb_tail_file *file = NULL;
struct fs_stat *fst;
struct stat st;
int pending_data_detected;

pending_data_detected = FLB_FALSE;

/* Lookup watched file */
mk_list_foreach_safe(head, tmp, &ctx->files_event) {
Expand Down Expand Up @@ -123,6 +126,9 @@ static int tail_fs_check(struct flb_input_instance *ins,
if (file->offset > st.st_size) {
offset = lseek(file->fd, 0, SEEK_SET);
if (offset == -1) {
if (pending_data_detected) {
tail_signal_pending(ctx);
}
flb_errno();
return -1;
}
Expand All @@ -142,7 +148,7 @@ static int tail_fs_check(struct flb_input_instance *ins,

if (file->offset < st.st_size) {
file->pending_bytes = (st.st_size - file->offset);
tail_signal_pending(ctx);
pending_data_detected = FLB_TRUE;
}
else {
file->pending_bytes = 0;
Expand Down Expand Up @@ -173,6 +179,10 @@ static int tail_fs_check(struct flb_input_instance *ins,

}

if (pending_data_detected) {
tail_signal_pending(ctx);
}

return 0;
}

Expand Down