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
|
/*
This file is part of GNUnet
(C) 2009, 2010 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GNUnet 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef GNUNET_NSE_SERVICE_H_
#define GNUNET_NSE_SERVICE_H_
/**
* @file include/gnunet_nse_service.h
* @brief API to retrieve the current network size estimate,
* also to register for notifications whenever a new
* network size estimate is calculated.
*
* @author Nathan Evans
*/
#ifdef __cplusplus
extern "C"
{
#if 0 /* keep Emacsens' auto-indent happy */
}
#endif
#endif
#include "gnunet_common.h"
#include "gnunet_configuration_lib.h"
#include "gnunet_scheduler_lib.h"
/**
* Version of the network size estimation API.
*/
#define GNUNET_NSE_VERSION 0x00000000
/**
* Interval for sending network size estimation flood requests.
* Number is in milliseconds.
* This needs to be a factor of the number milliseconds in
* a day, as the base time used is midnight each day offset
* by this amount.
*
* There are 86400000 milliseconds in a day.
*/
#define GNUNET_NSE_INTERVAL 3600000 /* Once per hour */
/**
* Number of bits
*/
#define GNUNET_NSE_BITS
/**
* Handle for the network size estimation service.
*/
struct GNUNET_NSE_Handle;
/**
* Callback to call when network size estimate is updated.
*
* @param cls closure
* @param estimate the value of the current network size estimate
* @param std_dev standard deviation (rounded down to nearest integer)
* of the size estimation values seen
* @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
*/
typedef int
(*GNUNET_NSE_Callback) (void *cls, double estimate, double std_dev);
/**
* Connect to the network size estimation service.
*
* @param cfg the configuration to use
* @param func funtion to call with network size estimate
* @param func_cls closure to pass for network size estimate callback
*
* @return handle to use
*/
struct GNUNET_NSE_Handle *
GNUNET_NSE_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
GNUNET_NSE_Callback func, void *func_cls);
/**
* Disconnect from network size estimation service
*
* @param h handle to destroy
*
*/
void
GNUNET_NSE_disconnect (struct GNUNET_NSE_Handle *h);
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
#endif /* GNUNET_NSE_SERVICE_H_ */
|
