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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/>.
*/
#include <config.h>
#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
struct CursorChannelClientPrivate
{
SPICE_CXX_GLIB_ALLOCATOR
RedCacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
Ring cursor_cache_lru = { nullptr, nullptr };
long cursor_cache_available = 0;
};
#define CLIENT_CURSOR_CACHE
#include "cache-item.tmpl.cpp"
#undef CLIENT_CURSOR_CACHE
#ifdef DEBUG_CURSORS
static int _cursor_count = 0;
#endif
void cursor_channel_client_reset_cursor_cache(CursorChannelClient *ccc)
{
red_cursor_cache_reset(ccc, CLIENT_CURSOR_CACHE_SIZE);
}
void CursorChannelClient::on_disconnect()
{
cursor_channel_client_reset_cursor_cache(this);
}
void cursor_channel_client_migrate(RedChannelClient *rcc)
{
spice_return_if_fail(rcc);
rcc->pipe_add_type(RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE);
RedChannelClient::default_migrate(rcc);
}
CursorChannelClient::CursorChannelClient(RedChannel *channel,
RedClient *client,
RedStream *stream,
RedChannelCapabilities *caps):
CommonGraphicsChannelClient(channel, client, stream, caps)
{
priv = new CursorChannelClientPrivate();
ring_init(&priv->cursor_cache_lru);
priv->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
}
CursorChannelClient::~CursorChannelClient()
{
delete priv;
}
CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor, RedClient *client, RedStream *stream,
int mig_target,
RedChannelCapabilities *caps)
{
auto rcc = new CursorChannelClient(RED_CHANNEL(cursor), client, stream, caps);
if (!rcc->init()) {
rcc->unref();
rcc = nullptr;
}
common_graphics_channel_set_during_target_migrate(COMMON_GRAPHICS_CHANNEL(cursor), mig_target);
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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