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author | Christian Grothoff <christian@grothoff.org> | 2009-05-29 00:46:26 +0000 |
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committer | Christian Grothoff <christian@grothoff.org> | 2009-05-29 00:46:26 +0000 |
commit | 0a217a8df1657b4334b55b0e4a6c7837a8dbcfd9 (patch) | |
tree | 6b552f40eb089db96409a312a98d9b12bd669102 /src/include/gnunet_fragmentation_lib.h | |
download | gnunet-0a217a8df1657b4334b55b0e4a6c7837a8dbcfd9.tar.gz gnunet-0a217a8df1657b4334b55b0e4a6c7837a8dbcfd9.zip |
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Diffstat (limited to 'src/include/gnunet_fragmentation_lib.h')
-rw-r--r-- | src/include/gnunet_fragmentation_lib.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/include/gnunet_fragmentation_lib.h b/src/include/gnunet_fragmentation_lib.h new file mode 100644 index 000000000..5089fae6a --- /dev/null +++ b/src/include/gnunet_fragmentation_lib.h | |||
@@ -0,0 +1,113 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | (C) 2009 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 | * @file include/gnunet_fragmentation_lib.h | ||
22 | * @brief library to help fragment messages | ||
23 | * @author Christian Grothoff | ||
24 | */ | ||
25 | |||
26 | #ifndef GNUNET_FRAGMENTATION_LIB_H | ||
27 | #define GNUNET_FRAGMENTATION_LIB_H | ||
28 | |||
29 | #include "gnunet_common.h" | ||
30 | #include "gnunet_statistics_service.h" | ||
31 | |||
32 | #ifdef __cplusplus | ||
33 | extern "C" | ||
34 | { | ||
35 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
36 | } | ||
37 | #endif | ||
38 | #endif | ||
39 | |||
40 | /** | ||
41 | * Function that is called with messages | ||
42 | * created by the fragmentation module. | ||
43 | * | ||
44 | * @param cls closure | ||
45 | * @param msg the message that was created | ||
46 | */ | ||
47 | typedef void (*GNUNET_FRAGMENT_MessageProcessor) (void *cls, | ||
48 | const struct | ||
49 | GNUNET_MessageHeader * msg); | ||
50 | |||
51 | |||
52 | /** | ||
53 | * Fragment an over-sized message. | ||
54 | * | ||
55 | * @param msg the message to fragment | ||
56 | * @param mtu the maximum message size | ||
57 | * @param proc function to call for each fragment | ||
58 | * @param proc_cls closure for proc | ||
59 | */ | ||
60 | void GNUNET_FRAGMENT_fragment (const struct GNUNET_MessageHeader *msg, | ||
61 | uint16_t mtu, | ||
62 | GNUNET_FRAGMENT_MessageProcessor proc, | ||
63 | void *proc_cls); | ||
64 | |||
65 | /** | ||
66 | * Defragmentation context. | ||
67 | */ | ||
68 | struct GNUNET_FRAGMENT_Context; | ||
69 | |||
70 | /** | ||
71 | * Create a defragmentation context. | ||
72 | * | ||
73 | * @param stats statistics context | ||
74 | * @param proc function to call with defragmented messages | ||
75 | * @param proc_cls closure for proc | ||
76 | * @return the defragmentation context | ||
77 | */ | ||
78 | struct GNUNET_FRAGMENT_Context *GNUNET_FRAGMENT_context_create (struct | ||
79 | GNUNET_STATISTICS_Handle | ||
80 | *stats, | ||
81 | GNUNET_FRAGMENT_MessageProcessor | ||
82 | proc, | ||
83 | void | ||
84 | *proc_cls); | ||
85 | |||
86 | |||
87 | /** | ||
88 | * Destroy the given defragmentation context. | ||
89 | */ | ||
90 | void GNUNET_FRAGMENT_context_destroy (struct GNUNET_FRAGMENT_Context *ctx); | ||
91 | |||
92 | |||
93 | /** | ||
94 | * We have received a fragment. Process it. | ||
95 | * | ||
96 | * @param ctx the context | ||
97 | * @param sender who transmitted the fragment | ||
98 | * @param msg the message that was received | ||
99 | */ | ||
100 | void GNUNET_FRAGMENT_process (struct GNUNET_FRAGMENT_Context *ctx, | ||
101 | const struct GNUNET_PeerIdentity *sender, | ||
102 | const struct GNUNET_MessageHeader *msg); | ||
103 | |||
104 | |||
105 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
106 | { | ||
107 | #endif | ||
108 | #ifdef __cplusplus | ||
109 | } | ||
110 | #endif | ||
111 | |||
112 | /* end of gnunet_fragmentation_lib.h */ | ||
113 | #endif | ||