neatvnc/src/stream.c

68 lines
2.0 KiB
C

/*
* Copyright (c) 2023 Andri Yngvason
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "stream.h"
#include <assert.h>
int stream_close(struct stream* self)
{
assert(self->impl && self->impl->close);
return self->impl->close(self);
}
void stream_destroy(struct stream* self)
{
assert(self->impl && self->impl->destroy);
return self->impl->destroy(self);
}
int stream_send(struct stream* self, struct rcbuf* payload,
stream_req_fn on_done, void* userdata)
{
assert(self->impl && self->impl->send);
return self->impl->send(self, payload, on_done, userdata);
}
int stream_send_first(struct stream* self, struct rcbuf* payload)
{
assert(self->impl && self->impl->send);
return self->impl->send_first(self, payload);
}
int stream_write(struct stream* self, const void* payload, size_t len,
stream_req_fn on_done, void* userdata)
{
struct rcbuf* buf = rcbuf_from_mem(payload, len);
return buf ? stream_send(self, buf, on_done, userdata) : -1;
}
ssize_t stream_read(struct stream* self, void* dst, size_t size)
{
assert(self->impl && self->impl->read);
return self->impl->read(self, dst, size);
}
void stream_exec_and_send(struct stream* self, stream_exec_fn exec_fn,
void* userdata)
{
assert(self->impl);
if (self->impl->exec_and_send)
self->impl->exec_and_send(self, exec_fn, userdata);
else
stream_send(self, exec_fn(self, userdata), NULL, NULL);
}