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diff --git a/src/set/gnunet-service-set_union.h b/src/set/gnunet-service-set_union.h
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2013-2017 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @file set/gnunet-service-set_union.h
22 * @brief two-peer set operations
23 * @author Florian Dold
24 * @author Christian Grothoff
25 */
26#ifndef GNUNET_SERVICE_SET_UNION_H
27#define GNUNET_SERVICE_SET_UNION_H
28
29#include "gnunet-service-set.h"
30#include "gnunet-service-set_protocol.h"
31
32
33/**
34 * Handle a strata estimator from a remote peer
35 *
36 * @param cls the union operation
37 * @param msg the message
38 */
39int
40check_union_p2p_strata_estimator (void *cls,
41 const struct StrataEstimatorMessage *msg);
42
43
44/**
45 * Handle a strata estimator from a remote peer
46 *
47 * @param cls the union operation
48 * @param msg the message
49 */
50void
51handle_union_p2p_strata_estimator (void *cls,
52 const struct StrataEstimatorMessage *msg);
53
54
55/**
56 * Check an IBF message from a remote peer.
57 *
58 * Reassemble the IBF from multiple pieces, and
59 * process the whole IBF once possible.
60 *
61 * @param cls the union operation
62 * @param msg the header of the message
63 * @return #GNUNET_OK if @a msg is well-formed
64 */
65int
66check_union_p2p_ibf (void *cls,
67 const struct IBFMessage *msg);
68
69
70/**
71 * Handle an IBF message from a remote peer.
72 *
73 * Reassemble the IBF from multiple pieces, and
74 * process the whole IBF once possible.
75 *
76 * @param cls the union operation
77 * @param msg the header of the message
78 */
79void
80handle_union_p2p_ibf (void *cls,
81 const struct IBFMessage *msg);
82
83
84/**
85 * Check an element message from a remote peer.
86 *
87 * @param cls the union operation
88 * @param emsg the message
89 */
90int
91check_union_p2p_elements (void *cls,
92 const struct GNUNET_SET_ElementMessage *emsg);
93
94
95/**
96 * Handle an element message from a remote peer.
97 * Sent by the other peer either because we decoded an IBF and placed a demand,
98 * or because the other peer switched to full set transmission.
99 *
100 * @param cls the union operation
101 * @param emsg the message
102 */
103void
104handle_union_p2p_elements (void *cls,
105 const struct GNUNET_SET_ElementMessage *emsg);
106
107
108/**
109 * Check a full element message from a remote peer.
110 *
111 * @param cls the union operation
112 * @param emsg the message
113 */
114int
115check_union_p2p_full_element (void *cls,
116 const struct GNUNET_SET_ElementMessage *emsg);
117
118
119/**
120 * Handle an element message from a remote peer.
121 *
122 * @param cls the union operation
123 * @param emsg the message
124 */
125void
126handle_union_p2p_full_element (void *cls,
127 const struct GNUNET_SET_ElementMessage *emsg);
128
129
130/**
131 * Send offers (for GNUNET_Hash-es) in response
132 * to inquiries (for IBF_Key-s).
133 *
134 * @param cls the union operation
135 * @param msg the message
136 */
137int
138check_union_p2p_inquiry (void *cls,
139 const struct InquiryMessage *msg);
140
141
142/**
143 * Send offers (for GNUNET_Hash-es) in response
144 * to inquiries (for IBF_Key-s).
145 *
146 * @param cls the union operation
147 * @param msg the message
148 */
149void
150handle_union_p2p_inquiry (void *cls,
151 const struct InquiryMessage *msg);
152
153
154/**
155 * Handle a request for full set transmission.
156 *
157 * @param cls closure, a set union operation
158 * @param mh the demand message
159 */
160void
161handle_union_p2p_request_full (void *cls,
162 const struct GNUNET_MessageHeader *mh);
163
164
165/**
166 * Handle a "full done" message.
167 *
168 * @param cls closure, a set union operation
169 * @param mh the demand message
170 */
171void
172handle_union_p2p_full_done (void *cls,
173 const struct GNUNET_MessageHeader *mh);
174
175
176/**
177 * Check a demand by the other peer for elements based on a list
178 * of `struct GNUNET_HashCode`s.
179 *
180 * @param cls closure, a set union operation
181 * @param mh the demand message
182 * @return #GNUNET_OK if @a mh is well-formed
183 */
184int
185check_union_p2p_demand (void *cls,
186 const struct GNUNET_MessageHeader *mh);
187
188
189/**
190 * Handle a demand by the other peer for elements based on a list
191 * of `struct GNUNET_HashCode`s.
192 *
193 * @param cls closure, a set union operation
194 * @param mh the demand message
195 */
196void
197handle_union_p2p_demand (void *cls,
198 const struct GNUNET_MessageHeader *mh);
199
200
201/**
202 * Check offer (of `struct GNUNET_HashCode`s).
203 *
204 * @param cls the union operation
205 * @param mh the message
206 * @return #GNUNET_OK if @a mh is well-formed
207 */
208int
209check_union_p2p_offer (void *cls,
210 const struct GNUNET_MessageHeader *mh);
211
212
213/**
214 * Handle offers (of `struct GNUNET_HashCode`s) and
215 * respond with demands (of `struct GNUNET_HashCode`s).
216 *
217 * @param cls the union operation
218 * @param mh the message
219 */
220void
221handle_union_p2p_offer (void *cls,
222 const struct GNUNET_MessageHeader *mh);
223
224
225/**
226 * Handle a done message from a remote peer
227 *
228 * @param cls the union operation
229 * @param mh the message
230 */
231void
232handle_union_p2p_done (void *cls,
233 const struct GNUNET_MessageHeader *mh);
234
235/**
236 * Handle an over message from a remote peer
237 *
238 * @param cls the union operation
239 * @param mh the message
240 */
241void
242handle_union_p2p_over (void *cls,
243 const struct GNUNET_MessageHeader *mh);
244
245
246#endif