GNUnet  0.11.x
gnunet-service-fs.h
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2009, 2010 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 
26 #ifndef GNUNET_SERVICE_FS_H
27 #define GNUNET_SERVICE_FS_H
28 
29 #include "gnunet_util_lib.h"
32 #include "gnunet_core_service.h"
33 #include "gnunet_block_lib.h"
34 #include "gnunet_ats_service.h"
35 #include "fs.h"
36 
37 
44 #define TTL_DECREMENT 5000
45 
51 #define DATASTORE_LOAD_AUTODECLINE GNUNET_TIME_relative_multiply ( \
52  GNUNET_TIME_UNIT_MILLISECONDS, 250)
53 
57 #define GET_MESSAGE_BIT_QUERY_ONLY 0
58 
65 #define GET_MESSAGE_BIT_RETURN_TO 1
66 
75 #define GET_MESSAGE_BIT_TRANSMIT_TO 4
76 
77 
79 
83 struct GetMessage
84 {
88  struct GNUNET_MessageHeader header;
89 
93  uint32_t type GNUNET_PACKED;
94 
99 
104 
113 
122 
128 
129  /* this is followed by PeerIdentities as specified in the "hash_bitmap";
130  * after that, an optional bloomfilter (with bits set for replies
131  * that should be suppressed) can be present */
132 };
133 
134 
140 {
146 
151 
156 };
158 
162 struct GSF_ConnectedPeer;
163 
167 struct GSF_PendingRequest;
168 
172 struct GSF_LocalClient;
173 
177 struct GSF_RequestPlan;
178 
183 
187 extern struct GNUNET_DATASTORE_Handle *GSF_dsh;
188 
192 extern const struct GNUNET_CONFIGURATION_Handle *GSF_cfg;
193 
197 extern struct GNUNET_STATISTICS_Handle *GSF_stats;
198 
203 extern struct GNUNET_CORE_Handle *GSF_core;
204 
208 extern struct GNUNET_DHT_Handle *GSF_dht;
209 
214 
219 
224 
228 extern struct GNUNET_PeerIdentity GSF_my_id;
229 
240 extern double GSF_current_priorities;
241 
246 extern unsigned int GSF_cover_query_count;
247 
252 extern unsigned int GSF_cover_content_count;
253 
257 extern struct GNUNET_BLOCK_Context *GSF_block_ctx;
258 
263 
267 extern unsigned int GSF_datastore_queue_size;
268 
269 
280 void
281 GSF_consider_forwarding (void *cls,
282  struct GSF_PendingRequest *pr,
284 
285 
295 int
297 
298 
305 void
307 
308 
309 #endif
310 /* end of gnunet-service-fs.h */
int GSF_test_get_load_too_high_(uint32_t priority)
Test if the DATABASE (GET) load on this peer is too high to even consider processing the query at all...
Handle to an initialized block library.
Definition: block.c:54
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_DATASTORE_GET.
Definition: datastore.h:145
struct GNUNET_PeerIdentity GSF_my_id
Identity of this peer.
Context for the core service connection.
Definition: core_api.c:77
int32_t ttl
Relative time to live in MILLISECONDS (network byte order)
uint32_t priority
How important is this request (network byte order)
static int start
Set if we are to start default services (including ARM).
Definition: gnunet-arm.c:39
struct GNUNET_DHT_Handle * GSF_dht
Handle for DHT operations.
struct GNUNET_STATISTICS_Handle * GSF_stats
Handle for reporting statistics.
definitions for the entire fs module
void GSF_consider_forwarding(void *cls, struct GSF_PendingRequest *pr, enum GNUNET_BLOCK_EvaluationResult result)
Function to be called after we&#39;re done processing replies from the local lookup.
Time for relative time used by GNUnet, in microseconds and in network byte order. ...
Handle for the service.
struct GNUNET_LOAD_Value * GSF_rt_entry_lifetime
How long do requests typically stay in the routing table?
uint32_t filter_mutator
The content hash should be mutated using this value before checking against the bloomfilter (used to ...
#define GNUNET_NETWORK_STRUCT_BEGIN
Define as empty, GNUNET_PACKED should suffice, but this won&#39;t work on W32.
Connection to the DHT service.
Definition: dht_api.c:201
const struct GNUNET_CONFIGURATION_Handle * GSF_cfg
Our configuration.
A local client.
unsigned int GSF_datastore_queue_size
Size of the datastore queue we assume for common requests.
struct GNUNET_BLOCK_Context * GSF_block_ctx
Our block context.
Message to the datastore service asking about specific content.
Definition: datastore.h:140
uint32_t hash_bitmap
Which of the optional hash codes are present at the end of the message? See GET_MESSAGE_BIT_xx consta...
struct GNUNET_HashCode query
Hashcodes of the file(s) we&#39;re looking for.
static int result
Global testing status.
double GSF_current_priorities
Typical priorities we&#39;re seeing from other peers right now.
A 512-bit hashcode.
uint32_t type
Desired content type.
Definition: datastore.h:150
struct GNUNET_CORE_Handle * GSF_core
Pointer to handle to the core service (points to NULL until we&#39;ve connected to it).
Values we track for load calculations.
Definition: load.c:35
GNUNET_BLOCK_EvaluationResult
Possible ways for how a block may relate to a query.
Information we keep per request per peer.
Message send by a peer that wants to be excluded from migration for a while.
ATS Handle to obtain and/or modify performance information.
unsigned int GSF_cover_content_count
How many content messages have we received &#39;recently&#39; that have not yet been claimed as cover traffic...
struct GNUNET_DATASTORE_Handle * GSF_dsh
Our connection to the datastore.
struct GNUNET_TIME_Relative GSF_avg_latency
Running average of the observed latency to other peers (round trip).
#define GNUNET_NETWORK_STRUCT_END
Define as empty, GNUNET_PACKED should suffice, but this won&#39;t work on W32;.
The identity of the host (wraps the signing key of the peer).
#define GNUNET_PACKED
gcc-ism to get packed structs.
configuration data
Definition: configuration.c:85
Handle to the datastore service.
Automatic transport selection and outbound bandwidth determination.
A connected peer.
static struct GNUNET_TIME_Relative duration
How long do we run the test?
unsigned int GSF_cover_query_count
How many query messages have we received &#39;recently&#39; that have not yet been claimed as cover traffic...
int GSF_enable_randomized_delays
Are we introducing randomized delays for better anonymity?
Header for all communications.
Time for absolute times used by GNUnet, in microseconds.
void GSF_update_datastore_delay_(struct GNUNET_TIME_Absolute start)
We&#39;ve just now completed a datastore request.
An active request.
static unsigned long long reserved
How much space have we currently reserved?
Time for relative time used by GNUnet, in microseconds.
M:N binding of plans to pending requests.
struct GNUNET_ATS_PerformanceHandle * GSF_ats
Handle to ATS service.