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
|
/**************************************************************************/
/* */
/* 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 SetUnpackAlpha_H
#define SetUnpackAlpha_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define SETUNPACKALPHA_ENABLE_CACHE 1
#define SETUNPACKALPHA_ENABLE_DATA 1
#define SETUNPACKALPHA_ENABLE_SPLIT 0
#define SETUNPACKALPHA_ENABLE_COMPRESS 1
#define SETUNPACKALPHA_DATA_LIMIT 16384
#define SETUNPACKALPHA_DATA_OFFSET 8
#define SETUNPACKALPHA_CACHE_SLOTS 2000
#define SETUNPACKALPHA_CACHE_THRESHOLD 10
#define SETUNPACKALPHA_CACHE_LOWER_THRESHOLD 5
#define SETUNPACKALPHA_DATA_OFFSET_IF_PROTO_STEP_7 16
#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_7 1
#define SETUNPACKALPHA_ENABLE_COMPRESS_IF_PROTO_STEP_7 0
#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_8 0
//
// The message class.
//
class SetUnpackAlphaMessage : public Message
{
friend class SetUnpackAlphaStore;
public:
SetUnpackAlphaMessage()
{
}
~SetUnpackAlphaMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned char client;
unsigned char method;
unsigned int src_length;
unsigned int dst_length;
};
class SetUnpackAlphaStore : public MessageStore
{
public:
SetUnpackAlphaStore(StaticCompressor *compressor);
virtual ~SetUnpackAlphaStore();
virtual const char *name() const
{
return "SetUnpackAlpha";
}
virtual unsigned char opcode() const
{
return X_NXSetUnpackAlpha;
}
virtual unsigned int storage() const
{
return sizeof(SetUnpackAlphaMessage);
}
//
// Message handling methods.
//
protected:
virtual Message *create() const
{
return new SetUnpackAlphaMessage();
}
virtual Message *create(const Message &message) const
{
return new SetUnpackAlphaMessage((const SetUnpackAlphaMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (SetUnpackAlphaMessage *) message;
}
virtual int encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
const unsigned int size, int bigEndian,
ChannelCache *channelCache) const;
virtual int decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
ChannelCache *channelCache) const;
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 /* SetUnpackAlpha_H */
|
