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author | Nathan S. Evans <evans@in.tum.de> | 2011-07-08 17:10:45 +0000 |
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committer | Nathan S. Evans <evans@in.tum.de> | 2011-07-08 17:10:45 +0000 |
commit | 5058b5b92455e26dd740b5c0344f78e95cd0fc2e (patch) | |
tree | 0077531e5ff8c9c9348b301a10618b0328bef90e /src/include | |
parent | a6627549cdea39c0c5eb75966598e4ee7c31cad1 (diff) | |
download | gnunet-5058b5b92455e26dd740b5c0344f78e95cd0fc2e.tar.gz gnunet-5058b5b92455e26dd740b5c0344f78e95cd0fc2e.zip |
initial nse commit
Diffstat (limited to 'src/include')
-rw-r--r-- | src/include/gnunet_nse_service.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/include/gnunet_nse_service.h b/src/include/gnunet_nse_service.h new file mode 100644 index 000000000..012a61c22 --- /dev/null +++ b/src/include/gnunet_nse_service.h | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | (C) 2009, 2010 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 2, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | #ifndef GNUNET_NSE_SERVICE_H_ | ||
22 | #define GNUNET_NSE_SERVICE_H_ | ||
23 | |||
24 | /** | ||
25 | * @file include/gnunet_nse_service.h | ||
26 | * @brief API to retrieve the current network size estimate, | ||
27 | * also to register for notifications whenever a new | ||
28 | * network size estimate is calculated. | ||
29 | * | ||
30 | * @author Nathan Evans | ||
31 | */ | ||
32 | |||
33 | #ifdef __cplusplus | ||
34 | extern "C" | ||
35 | { | ||
36 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
37 | } | ||
38 | #endif | ||
39 | #endif | ||
40 | |||
41 | #include "gnunet_common.h" | ||
42 | #include "gnunet_configuration_lib.h" | ||
43 | #include "gnunet_scheduler_lib.h" | ||
44 | |||
45 | /** | ||
46 | * Version of the network size estimation API. | ||
47 | */ | ||
48 | #define GNUNET_NSE_VERSION 0x00000000 | ||
49 | |||
50 | /** | ||
51 | * Interval for sending network size estimation flood requests. | ||
52 | * Number is in milliseconds. | ||
53 | * This needs to be a factor of the number milliseconds in | ||
54 | * a day, as the base time used is midnight each day offset | ||
55 | * by this amount. | ||
56 | * | ||
57 | * There are 86400000 milliseconds in a day. | ||
58 | */ | ||
59 | #define GNUNET_NSE_INTERVAL 3600000 /* Once per hour */ | ||
60 | |||
61 | /** | ||
62 | * Number of bits | ||
63 | */ | ||
64 | #define GNUNET_NSE_BITS | ||
65 | |||
66 | /** | ||
67 | * Handle for the network size estimation service. | ||
68 | */ | ||
69 | struct GNUNET_NSE_Handle; | ||
70 | |||
71 | |||
72 | /** | ||
73 | * Callback to call when network size estimate is updated. | ||
74 | * | ||
75 | * @param cls closure | ||
76 | * @param estimate the value of the current network size estimate | ||
77 | * @param std_dev standard deviation (rounded down to nearest integer) | ||
78 | * of the size estimation values seen | ||
79 | * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration | ||
80 | */ | ||
81 | typedef int | ||
82 | (*GNUNET_NSE_Callback) (void *cls, double estimate, double std_dev); | ||
83 | |||
84 | /** | ||
85 | * Connect to the network size estimation service. | ||
86 | * | ||
87 | * @param cfg the configuration to use | ||
88 | * @param func funtion to call with network size estimate | ||
89 | * @param func_cls closure to pass for network size estimate callback | ||
90 | * | ||
91 | * @return handle to use | ||
92 | */ | ||
93 | struct GNUNET_NSE_Handle * | ||
94 | GNUNET_NSE_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, | ||
95 | GNUNET_NSE_Callback func, void *func_cls); | ||
96 | |||
97 | |||
98 | /** | ||
99 | * Disconnect from network size estimation service | ||
100 | * | ||
101 | * @param h handle to destroy | ||
102 | * | ||
103 | */ | ||
104 | void | ||
105 | GNUNET_NSE_disconnect (struct GNUNET_NSE_Handle *h); | ||
106 | |||
107 | |||
108 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
109 | { | ||
110 | #endif | ||
111 | #ifdef __cplusplus | ||
112 | } | ||
113 | #endif | ||
114 | |||
115 | #endif /* GNUNET_NSE_SERVICE_H_ */ | ||