1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/* -*- 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
void CursorChannelClient::reset_cursor_cache()
{
red_cursor_cache_reset(this, CLIENT_CURSOR_CACHE_SIZE);
}
void CursorChannelClient::on_disconnect()
{
reset_cursor_cache();
}
void CursorChannelClient::migrate()
{
pipe_add_type(RED_PIPE_ITEM_TYPE_INVAL_CURSOR_CACHE);
RedChannelClient::migrate();
}
CursorChannelClient::CursorChannelClient(RedChannel *channel,
RedClient *client,
RedStream *stream,
RedChannelCapabilities *caps):
CommonGraphicsChannelClient(channel, client, stream, caps)
{
ring_init(&priv->cursor_cache_lru);
priv->cursor_cache_available = CLIENT_CURSOR_CACHE_SIZE;
}
CursorChannelClient* cursor_channel_client_new(CursorChannel *cursor, RedClient *client, RedStream *stream,
int mig_target,
RedChannelCapabilities *caps)
{
auto rcc =
red::make_shared<CursorChannelClient>(cursor, client, stream, caps);
if (!rcc->init()) {
return nullptr;
}
cursor->set_during_target_migrate(mig_target);
return rcc.get();
}
RedCacheItem* CursorChannelClient::cache_find(uint64_t id)
{
return red_cursor_cache_find(this, id);
}
int CursorChannelClient::cache_add(uint64_t id, size_t size)
{
return red_cursor_cache_add(this, id, size);
}
|
