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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef PolyArc_H
#define PolyArc_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define POLYARC_ENABLE_CACHE 1
#define POLYARC_ENABLE_DATA 0
#define POLYARC_ENABLE_SPLIT 0
#define POLYARC_ENABLE_COMPRESS 0
#define POLYARC_DATA_LIMIT 1980
#define POLYARC_DATA_OFFSET 12
#define POLYARC_CACHE_SLOTS 2000
#define POLYARC_CACHE_THRESHOLD 2
#define POLYARC_CACHE_LOWER_THRESHOLD 1
//
// The message class.
//
class PolyArcMessage : public Message
{
friend class PolyArcStore;
public:
PolyArcMessage()
{
}
~PolyArcMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned int drawable;
unsigned int gcontext;
};
class PolyArcStore : public MessageStore
{
//
// Constructors and destructors.
//
public:
PolyArcStore() : MessageStore()
{
enableCache = POLYARC_ENABLE_CACHE;
enableData = POLYARC_ENABLE_DATA;
enableSplit = POLYARC_ENABLE_SPLIT;
enableCompress = POLYARC_ENABLE_COMPRESS;
dataLimit = POLYARC_DATA_LIMIT;
dataOffset = POLYARC_DATA_OFFSET;
cacheSlots = POLYARC_CACHE_SLOTS;
cacheThreshold = POLYARC_CACHE_THRESHOLD;
cacheLowerThreshold = POLYARC_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
virtual ~PolyArcStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
virtual const char *name() const
{
return "PolyArc";
}
virtual unsigned char opcode() const
{
return X_PolyArc;
}
virtual unsigned int storage() const
{
return sizeof(PolyArcMessage);
}
//
// Message handling methods.
//
public:
virtual Message *create() const
{
return new PolyArcMessage();
}
virtual Message *create(const Message &message) const
{
return new PolyArcMessage((const PolyArcMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (PolyArcMessage *) message;
}
virtual int parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual int unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const;
virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const;
virtual void identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void dumpIdentity(const Message *message) const;
};
#endif /* PolyArc_H */
|
