GNUnet 0.21.2
dht.h
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2001, 2002, 2003, 2004, 2009, 2011, 2021 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
27#ifndef DHT_H
28#define DHT_H
29
30
34#define DHT_BLOOM_SIZE 128
35
36
38
44{
49
54
59
64};
65
66
72{
77
82
87
93
98
104
105 /* Possibly followed by xquery, copied to end of this dealy do */
106};
107
108
114{
119
124
130
135
136 /* Followed by an array of the hash codes of known results */
137};
138
139
144{
149
154
159
164
170
176
181
186
191
192 /* trunc_peer, put path, get path and actual data are copied to end of this dealy do */
193};
194
195
200{
205
210
215
220
225
230
231 /* DATA copied to end of this message */
232};
233
234
239{
244
249
254
259
264
270
275
280
281 /* put path (if tracked) */
282
283 /* Payload */
284};
285
286
291{
297
302
307
312
317
322
327};
328
329
334{
339
344
349
354
359
364
369
370 /* get path (if tracked) */
371};
372
377{
382
387
392
397
402
407
412
417
418 /* put path (if tracked) */
419
420 /* get path (if tracked) */
421
422 /* Payload */
423};
424
426
427#endif
#define GNUNET_NETWORK_STRUCT_BEGIN
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32.
#define GNUNET_NETWORK_STRUCT_END
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32;.
#define GNUNET_PACKED
gcc-ism to get packed structs.
DHT GET message sent from clients to service.
Definition: dht.h:72
uint64_t unique_id
Unique ID identifying this request, if 0 then the client will not expect a response.
Definition: dht.h:103
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:81
struct GNUNET_HashCode key
The key to search for.
Definition: dht.h:97
uint32_t type
The type for the data for the GET request; actually an 'enum GNUNET_BLOCK_Type'.
Definition: dht.h:92
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET.
Definition: dht.h:76
uint32_t desired_replication_level
Replication level for this message.
Definition: dht.h:86
DHT GET RESULTS KNOWN message sent from clients to service.
Definition: dht.h:114
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET_RESULTS_KNOWN.
Definition: dht.h:118
struct GNUNET_HashCode key
The key we are searching for (to make it easy to find the corresponding GET inside the service).
Definition: dht.h:129
uint32_t reserved
Reserved, always 0.
Definition: dht.h:123
uint64_t unique_id
Unique ID identifying this request.
Definition: dht.h:134
Message which indicates the DHT should cancel outstanding requests and discard any state.
Definition: dht.h:44
uint64_t unique_id
Unique ID identifying this request.
Definition: dht.h:58
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_CLIENT_GET_STOP.
Definition: dht.h:48
struct GNUNET_HashCode key
Key of this request.
Definition: dht.h:63
uint32_t reserved
Always zero.
Definition: dht.h:53
Message to insert data into the DHT, sent from clients to DHT service.
Definition: dht.h:200
struct GNUNET_HashCode key
The key to store the value under.
Definition: dht.h:229
uint32_t type
The type of data to insert.
Definition: dht.h:209
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:214
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_CLIENT_PUT.
Definition: dht.h:204
uint32_t desired_replication_level
Replication level for this message.
Definition: dht.h:219
struct GNUNET_TIME_AbsoluteNBO expiration
How long should this data persist?
Definition: dht.h:224
Reply to a GET send from the service to a client.
Definition: dht.h:144
uint32_t put_path_length
Number of peers recorded in the outgoing path from source to the storgage location of this message.
Definition: dht.h:169
uint64_t unique_id
Unique ID of the matching GET request.
Definition: dht.h:180
struct GNUNET_TIME_AbsoluteNBO expiration
When does this entry expire?
Definition: dht.h:185
uint32_t reserved
Reserved, always 0.
Definition: dht.h:158
struct GNUNET_HashCode key
The key that was searched for.
Definition: dht.h:190
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_CLIENT_RESULT.
Definition: dht.h:148
uint32_t type
The type for the data.
Definition: dht.h:153
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:163
uint32_t get_path_length
The number of peer identities recorded from the storage location to this peer.
Definition: dht.h:175
Message to monitor get requests going through peer, DHT service -> clients.
Definition: dht.h:334
uint32_t hop_count
Hop count.
Definition: dht.h:353
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:343
uint32_t desired_replication_level
Replication level for this message.
Definition: dht.h:358
uint32_t reserved
Always zero.
Definition: dht.h:363
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_MONITOR_GET.
Definition: dht.h:338
struct GNUNET_HashCode key
The key to store the value under.
Definition: dht.h:368
uint32_t type
The type of data in the request.
Definition: dht.h:348
Message to monitor get results going through peer, DHT service -> clients.
Definition: dht.h:377
uint32_t reserved
Reserved, always 0.
Definition: dht.h:391
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_P2P_RESULT.
Definition: dht.h:381
struct GNUNET_HashCode key
The key of the corresponding GET request.
Definition: dht.h:416
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:396
struct GNUNET_TIME_AbsoluteNBO expiration_time
When does the content expire?
Definition: dht.h:411
uint32_t type
Content type.
Definition: dht.h:386
uint32_t get_path_length
Length of the GET path that follows (if tracked).
Definition: dht.h:406
uint32_t put_path_length
Length of the PUT path that follows (if tracked).
Definition: dht.h:401
Message to monitor put requests going through peer, DHT service -> clients.
Definition: dht.h:239
uint32_t options
Message options, actually an 'enum GNUNET_DHT_RouteOption' value.
Definition: dht.h:248
struct GNUNET_TIME_AbsoluteNBO expiration_time
How long should this data persist?
Definition: dht.h:274
uint32_t desired_replication_level
Replication level for this message.
Definition: dht.h:263
struct GNUNET_HashCode key
The key to store the value under.
Definition: dht.h:279
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_MONITOR_PUT.
Definition: dht.h:243
uint32_t hop_count
Hop count so far.
Definition: dht.h:258
uint32_t type
The type of data in the request.
Definition: dht.h:253
uint32_t put_path_length
Number of peers recorded in the outgoing path from source to the storage location of this message.
Definition: dht.h:269
Message to request monitoring messages, clients -> DHT service.
Definition: dht.h:291
struct GNUNET_MessageHeader header
Type: GNUNET_MESSAGE_TYPE_DHT_MONITOR_START or GNUNET_MESSAGE_TYPE_DHT_MONITOR_STOP.
Definition: dht.h:296
int16_t get
Flag whether to notify about GET messages.
Definition: dht.h:306
uint32_t type
The type of data desired, GNUNET_BLOCK_TYPE_ANY for all.
Definition: dht.h:301
int16_t filter_key
Flag whether to use the provided key to filter messages.
Definition: dht.h:321
int16_t get_resp
Flag whether to notify about GET_REPONSE messages.
Definition: dht.h:311
struct GNUNET_HashCode key
The key to filter messages by.
Definition: dht.h:326
int16_t put
Flag whether to notify about PUT messages.
Definition: dht.h:316
A 512-bit hashcode.
Header for all communications.
Time for absolute time used by GNUnet, in microseconds and in network byte order.