src/lib/iostream.c

	iostream.c revision 1a0ece3e873e3864269ed7eaed957dc10c56d25f
/* Copyright (c) 2002-2013 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "array.h"
#include "iostream-private.h"

static void
io_stream_default_close(struct iostream_private *stream ATTR_UNUSED,
            bool close_parent ATTR_UNUSED)
{
}

static void
io_stream_default_destroy(struct iostream_private *stream ATTR_UNUSED)
{
}

void io_stream_init(struct iostream_private *stream)
{
    if (stream->close == NULL)
        stream->close = io_stream_default_close;
    if (stream->destroy == NULL)
        stream->destroy = io_stream_default_destroy;

    stream->refcount = 1;
}

void io_stream_ref(struct iostream_private *stream)
{
    stream->refcount++;
}

void io_stream_unref(struct iostream_private *stream)
{
    const struct iostream_destroy_callback *dc;

    i_assert(stream->refcount > 0);
    if (--stream->refcount != 0)
        return;

    stream->close(stream, FALSE);
    stream->destroy(stream);
    if (array_is_created(&stream->destroy_callbacks)) {
        array_foreach(&stream->destroy_callbacks, dc)
            dc->callback(dc->context);
        array_free(&stream->destroy_callbacks);
    }

        i_free(stream->name);
        i_free(stream);
}

void io_stream_close(struct iostream_private *stream, bool close_parent)
{
    stream->close(stream, close_parent);
}

void io_stream_set_max_buffer_size(struct iostream_private *stream,
                   size_t max_size)
{
    stream->set_max_buffer_size(stream, max_size);
}