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0088659c37
Both _cursor_count and DEBUG_CURSORS are not used. Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Acked-by: Victor Toso <victortoso@redhat.com>
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009-2016 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <common/generated_server_marshallers.h>
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#include "common-graphics-channel.h"
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#include "red-channel-client.h"
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#include "cache-item.h"
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#include "cursor-channel.h"
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#include "cursor-channel-client.h"
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#define CLIENT_CURSOR_CACHE_SIZE 256
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#define CURSOR_CACHE_HASH_SHIFT 8
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#define CURSOR_CACHE_HASH_SIZE (1 << CURSOR_CACHE_HASH_SHIFT)
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#define CURSOR_CACHE_HASH_MASK (CURSOR_CACHE_HASH_SIZE - 1)
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#define CURSOR_CACHE_HASH_KEY(id) ((id) & CURSOR_CACHE_HASH_MASK)
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#define CURSOR_CLIENT_TIMEOUT 30000000000ULL //nano
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struct CursorChannelClientPrivate
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{
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SPICE_CXX_GLIB_ALLOCATOR
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RedCacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
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Ring cursor_cache_lru = { nullptr, nullptr };
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long cursor_cache_available = 0;
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};
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#define CLIENT_CURSOR_CACHE
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#include "cache-item.tmpl.cpp"
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#undef CLIENT_CURSOR_CACHE
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void CursorChannelClient::reset_cursor_cache()
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{
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red_cursor_cache_reset(this, CLIENT_CURSOR_CACHE_SIZE);
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}
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void CursorChannelClient::on_disconnect()
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{
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reset_cursor_cache();
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}
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void CursorChannelClient::migrate()
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{
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pipe_add_type(RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE);
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RedChannelClient::migrate();
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}
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CursorChannelClient::CursorChannelClient(RedChannel *channel,
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RedClient *client,
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RedStream *stream,
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RedChannelCapabilities *caps):
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CommonGraphicsChannelClient(channel, client, stream, caps)
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{
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ring_init(&priv->cursor_cache_lru);
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priv->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
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}
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CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor, RedClient *client, RedStream *stream,
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int mig_target,
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RedChannelCapabilities *caps)
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{
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auto rcc =
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red::make_shared<CursorChannelClient>(cursor, client, stream, caps);
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if (!rcc->init()) {
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return nullptr;
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}
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cursor->set_during_target_migrate(mig_target);
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return rcc.get();
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}
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RedCacheItem* CursorChannelClient::cache_find(uint64_t id)
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{
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return red_cursor_cache_find(this, id);
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}
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int CursorChannelClient::cache_add(uint64_t id, size_t size)
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{
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return red_cursor_cache_add(this, id, size);
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}
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