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/* Copyright (c) 2015 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Stream adaptor implementation.
*/
#include "producer.h"
#include "consumer.h"
#include "stream_adaptor.h"
#include "util.h"
static size_t in_stream_from_producer_read(struct in_stream const *stream,
uint8_t *buffer,
size_t count)
{
struct in_stream_from_producer const *adaptor =
DOWNCAST(stream, struct in_stream_from_producer, in);
return consumer_read_memcpy(&adaptor->consumer, buffer, count, memcpy);
}
static void in_stream_from_producer_written(struct consumer const *consumer,
size_t count)
{
struct in_stream_from_producer const *adaptor =
DOWNCAST(consumer, struct in_stream_from_producer, consumer);
in_stream_ready(&adaptor->in);
}
struct in_stream_ops const in_stream_from_producer_in_stream_ops = {
.read = in_stream_from_producer_read,
};
struct consumer_ops const in_stream_from_producer_consumer_ops = {
.written = in_stream_from_producer_written,
};
static size_t out_stream_from_consumer_write(struct out_stream const *stream,
uint8_t const *buffer,
size_t count)
{
struct out_stream_from_consumer const *adaptor =
DOWNCAST(stream, struct out_stream_from_consumer, out);
return producer_write_memcpy(&adaptor->producer, buffer, count, memcpy);
}
static void out_stream_from_consumer_read(struct producer const *producer,
size_t count)
{
struct out_stream_from_consumer const *adaptor =
DOWNCAST(producer, struct out_stream_from_consumer, producer);
out_stream_ready(&adaptor->out);
}
struct out_stream_ops const out_stream_from_consumer_out_stream_ops = {
.write = out_stream_from_consumer_write,
};
struct producer_ops const out_stream_from_consumer_producer_ops = {
.read = out_stream_from_consumer_read,
};
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