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
|
/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
/* */
/* NXAGENT, 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 __Handlers_H__
#define __Handlers_H__
/*
* Current size of the display buffer.
*/
extern int nxagentBuffer;
/*
* Set if we had to block waiting for
* the display to become writable.
*/
extern int nxagentBlocking;
/*
* Current congestion level based on
* the sync requests awaited or the
* proxy tokens.
*/
extern int nxagentCongestion;
/*
* Bytes read from the agent's clients
* and written to the display socket.
*/
extern double nxagentBytesIn;
extern double nxagentBytesOut;
/*
* Total number of descriptors ready
* as reported by the wakeup handler.
*/
extern int nxagentReady;
/*
* Timestamp of the last write to the
* remote display.
*/
extern int nxagentFlush;
/*
* Let the dispatch loop yield control to
* a different client after a fair amount
* of time or after enough data has been
* processed.
*/
struct _DispatchRec
{
int client;
double in;
double out;
unsigned long start;
};
extern struct _DispatchRec nxagentDispatch;
/*
* Ensure that we synchronize with the X
* server after a given amount of output
* is produced.
*/
struct _TokensRec
{
int soft;
int hard;
int pending;
};
extern struct _TokensRec nxagentTokens;
/*
* The agent's block and wakeup handlers.
*/
void nxagentBlockHandler(pointer data, struct timeval **timeout, pointer mask);
void nxagentWakeupHandler(pointer data, int count, pointer mask);
/*
* Executed after each request processed.
*/
void nxagentDispatchHandler(ClientPtr client, int in, int out);
void nxagentShadowBlockHandler(pointer data, struct timeval **timeout, pointer mask);
void nxagentShadowWakeupHandler(pointer data, int count, pointer mask);
extern GCPtr nxagentShadowGCPtr;
extern unsigned char nxagentShadowDepth;
extern int nxagentShadowWidth;
extern int nxagentShadowHeight;
extern char *nxagentShadowBuffer;
#endif /* __Handlers_H__ */
|
