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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009-2016 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <common/generated_server_marshallers.h>
#include "common-graphics-channel.h"
#include "red-channel-client.h"
#include "cache-item.h"
#include "cursor-channel.h"
#include "cursor-channel-client.h"
#define CLIENT_CURSOR_CACHE_SIZE 256
#define CURSOR_CACHE_HASH_SHIFT 8
#define CURSOR_CACHE_HASH_SIZE (1 << CURSOR_CACHE_HASH_SHIFT)
#define CURSOR_CACHE_HASH_MASK (CURSOR_CACHE_HASH_SIZE - 1)
#define CURSOR_CACHE_HASH_KEY(id) ((id) & CURSOR_CACHE_HASH_MASK)
#define CURSOR_CLIENT_TIMEOUT 30000000000ULL //nano
enum {
RED_PIPE_ITEM_TYPE_CURSOR = RED_PIPE_ITEM_TYPE_COMMON_LAST,
RED_PIPE_ITEM_TYPE_CURSOR_INIT,
RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE,
};
G_DEFINE_TYPE(CursorChannelClient, cursor_channel_client, RED_TYPE_CHANNEL_CLIENT)
#define CURSOR_CHANNEL_CLIENT_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), TYPE_CURSOR_CHANNEL_CLIENT, CursorChannelClientPrivate))
struct CursorChannelClientPrivate
{
RedCacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
Ring cursor_cache_lru;
long cursor_cache_available;
uint32_t cursor_cache_items;
};
static void cursor_channel_client_constructed(GObject *object)
{
G_OBJECT_CLASS(cursor_channel_client_parent_class)->constructed(object);
}
static void
cursor_channel_client_class_init(CursorChannelClientClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
g_type_class_add_private(klass, sizeof(CursorChannelClientPrivate));
object_class->constructed = cursor_channel_client_constructed;
}
static void
cursor_channel_client_init(CursorChannelClient *self)
{
self->priv = CURSOR_CHANNEL_CLIENT_PRIVATE(self);
ring_init(&self->priv->cursor_cache_lru);
self->priv->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
}
#define CLIENT_CURSOR_CACHE
#include "cache-item.tmpl.c"
#undef CLIENT_CURSOR_CACHE
#ifdef DEBUG_CURSORS
static int _cursor_count = 0;
#endif
void cursor_channel_client_reset_cursor_cache(RedChannelClient *rcc)
{
red_cursor_cache_reset(CURSOR_CHANNEL_CLIENT(rcc), CLIENT_CURSOR_CACHE_SIZE);
}
void cursor_channel_client_on_disconnect(RedChannelClient *rcc)
{
if (!rcc) {
return;
}
cursor_channel_client_reset_cursor_cache(rcc);
}
void cursor_channel_client_migrate(RedChannelClient *rcc)
{
spice_return_if_fail(rcc);
red_channel_client_pipe_add_type(rcc, RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE);
red_channel_client_default_migrate(rcc);
}
CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor, RedClient *client, RedsStream *stream,
int mig_target,
uint32_t *common_caps, int num_common_caps,
uint32_t *caps, int num_caps)
{
CursorChannelClient *rcc;
GArray *common_caps_array = NULL, *caps_array = NULL;
if (common_caps) {
common_caps_array = g_array_sized_new(FALSE, FALSE, sizeof (*common_caps), num_common_caps);
g_array_append_vals(common_caps_array, common_caps, num_common_caps);
}
if (caps) {
caps_array = g_array_sized_new(FALSE, FALSE, sizeof (*caps), num_caps);
g_array_append_vals(caps_array, caps, num_caps);
}
rcc = g_initable_new(TYPE_CURSOR_CHANNEL_CLIENT,
NULL, NULL,
"channel", cursor,
"client", client,
"stream", stream,
"migration-target", mig_target,
"monitor-latency", FALSE,
"common-caps", common_caps_array,
"caps", caps_array,
NULL);
COMMON_GRAPHICS_CHANNEL(cursor)->during_target_migrate = mig_target;
if (caps_array)
g_array_unref(caps_array);
if (common_caps_array)
g_array_unref(common_caps_array);
return rcc;
}
RedCacheItem* cursor_channel_client_cache_find(CursorChannelClient *ccc, uint64_t id)
{
return red_cursor_cache_find(ccc, id);
}
int cursor_channel_client_cache_add(CursorChannelClient *ccc, uint64_t id, size_t size)
{
return red_cursor_cache_add(ccc, id, size);
}
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