-/*
- * Copyright (C) 2009 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2009 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file prebuffer_filter.c Paraslash's prebuffering filter. */
struct timeval barrier;
};
-static void prebuffer_pre_select(struct sched *s, void *context)
+static void prebuffer_pre_monitor(struct sched *s, void *context)
{
struct filter_node *fn = context;
struct btr_node *btrn = fn->btrn;
free(fn->private_data);
}
-static int prebuffer_post_select(__a_unused struct sched *s, void *context)
+static int prebuffer_post_monitor(__a_unused struct sched *s, void *context)
{
struct filter_node *fn = context;
struct btr_node *btrn = fn->btrn;
size_t iqs = btr_get_input_queue_size(btrn);
struct private_prebuffer_data *ppd = fn->private_data;
uint32_t size = FILTER_CMD_OPT_UINT32_VAL(PREBUFFER, SIZE, fn->lpr);
+ int ret;
+ ret = task_get_notification(fn->task);
+ if (ret < 0)
+ goto fail;
+ ret = btr_node_status(btrn, size, BTR_NT_INTERNAL);
+ if (ret < 0)
+ goto fail;
if (ppd->barrier.tv_sec == 0)
return 0;
if (tv_diff(now, &ppd->barrier, NULL) < 0)
return 0;
btr_splice_out_node(&fn->btrn);
return -E_PREBUFFER_SUCCESS;
+fail:
+ btr_remove_node(&fn->btrn);
+ return ret;
}
static void prebuffer_open(struct filter_node *fn)
{
- struct private_prebuffer_data *ppd = para_calloc(sizeof(*ppd));
+ struct private_prebuffer_data *ppd = zalloc(sizeof(*ppd));
fn->private_data = ppd;
}
const struct filter lsg_filter_cmd_com_prebuffer_user_data = {
.open = prebuffer_open,
.close = prebuffer_close,
- .pre_select = prebuffer_pre_select,
- .post_select = prebuffer_post_select,
+ .pre_monitor = prebuffer_pre_monitor,
+ .post_monitor = prebuffer_post_monitor,
};