GNUnet 0.22.1
gnunet-rps.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C)
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#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "gnunet_rps_service.h"
29#include <inttypes.h>
30
31static int ret;
32
37
42
47
51static int view_update;
52
56static int stream_input;
57
61static uint64_t num_view_updates;
62
63
70static void
71do_shutdown (void *cls)
72{
73 (void) cls;
74
75 if (NULL != req_handle)
78}
79
80
89static void
90reply_handle (void *cls,
91 uint64_t n,
92 const struct GNUNET_PeerIdentity *recv_peers)
93{
94 uint64_t i;
95
96 (void) cls;
97
98 req_handle = NULL;
99 for (i = 0; i < n; i++)
100 {
101 fprintf (stdout, "%s\n",
102 GNUNET_i2s_full (&recv_peers[i]));
103 }
104 ret = 0;
105
107}
108
109
117static void
119 uint64_t n,
120 const struct GNUNET_PeerIdentity *recv_peers)
121{
122 uint64_t i;
123
124 (void) cls;
125
126 if (0 == n)
127 {
128 fprintf (stdout, "Empty view\n");
129 }
130 req_handle = NULL;
131 for (i = 0; i < n; i++)
132 {
133 fprintf (stdout, "%s\n",
134 GNUNET_i2s_full (&recv_peers[i]));
135 }
136
137 if (1 == num_view_updates)
138 {
139 ret = 0;
141 }
142 else if (1 < num_view_updates)
143 {
145 }
146}
147
148
155static void
157 uint64_t num_peers,
158 const struct GNUNET_PeerIdentity *recv_peers)
159{
160 uint64_t i;
161
162 (void) cls;
163
164 if (0 == num_peers)
165 {
166 fprintf (stdout, "No peer was returned\n");
167 }
168 req_handle = NULL;
169 for (i = 0; i < num_peers; i++)
170 {
171 fprintf (stdout, "%s\n",
172 GNUNET_i2s_full (&recv_peers[i]));
173 }
174}
175
176
185static void
186run (void *cls,
187 char *const *args,
188 const char *cfgfile,
189 const struct GNUNET_CONFIGURATION_Handle *cfg)
190{
191 static uint64_t num_peers;
192 static struct GNUNET_PeerIdentity zero_pid;
193
194 (void) cls;
195 (void) cfgfile;
196
198 if (NULL == rps_handle)
199 {
200 fprintf (stderr, "Failed to connect to the rps service\n");
201 return;
202 }
203
204 if ((0 == memcmp (&zero_pid, &peer_id, sizeof(peer_id))) &&
205 (! view_update) &&
206 (! stream_input))
207 { /* Request n PeerIDs */
208 /* If number was specified use it, else request single peer. */
209 if ((NULL == args[0]) ||
210 (0 == sscanf (args[0], "%lu", &num_peers)) )
211 {
212 num_peers = 1;
213 }
215 "Requesting %" PRIu64 " PeerIDs\n", num_peers);
217 NULL);
219 }
220 else if (view_update)
221 {
222 /* Get updates of view */
223 if ((NULL == args[0]) ||
224 (0 == sscanf (args[0], "%lu", &num_view_updates)) )
225 {
227 }
229 NULL);
230 if (0 != num_view_updates)
232 "Requesting %" PRIu64 " view updates\n", num_view_updates);
233 else
235 "Requesting continuous view updates\n");
237 }
238 else if (stream_input)
239 {
240 /* Get updates of view */
243 }
244 else
245 { /* Seed PeerID */
247 fprintf (stdout, "Seeded PeerID %s\n", GNUNET_i2s_full (&peer_id));
248 ret = 0;
250 }
251}
252
253
261int
262main (int argc, char *const *argv)
263{
264 const char helpstr[] =
265 "Get random GNUnet peers. If none is specified a single is requested.";
268 "seed",
269 "PEER_ID",
270 gettext_noop ("Seed a PeerID"),
271 &peer_id),
273 "view",
275 "Get updates of view (0 for infinite updates)"),
276 &view_update),
278 "stream",
279 gettext_noop ("Get peers from biased stream"),
280 &stream_input),
282 };
283
284 return (GNUNET_OK ==
285 GNUNET_PROGRAM_run (argc,
286 argv,
287 "gnunet-rps [NUMBER_OF_PEERS]",
289 (helpstr),
290 options, &run, NULL)) ? ret : 1;
291}
292
293
294/* end of gnunet-rps.c */
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define gettext_noop(String)
Definition: gettext.h:74
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:108
static void stream_input_handle(void *cls, uint64_t num_peers, const struct GNUNET_PeerIdentity *recv_peers)
Callback called on receipt of peer from biased stream.
Definition: gnunet-rps.c:156
static int view_update
Do we want to receive updates of the view? (Option –view)
Definition: gnunet-rps.c:51
static int ret
Definition: gnunet-rps.c:31
static int stream_input
Do we want to receive updates of the view? (Option –view)
Definition: gnunet-rps.c:56
static void do_shutdown(void *cls)
Task run when user presses CTRL-C to abort.
Definition: gnunet-rps.c:71
static struct GNUNET_RPS_Request_Handle * req_handle
Request handle.
Definition: gnunet-rps.c:41
static void reply_handle(void *cls, uint64_t n, const struct GNUNET_PeerIdentity *recv_peers)
Callback called on receipt of reply.
Definition: gnunet-rps.c:90
static struct GNUNET_RPS_Handle * rps_handle
RPS handle.
Definition: gnunet-rps.c:36
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
Main function that will be run by the scheduler.
Definition: gnunet-rps.c:186
static struct GNUNET_PeerIdentity peer_id
PeerID (Option –seed)
Definition: gnunet-rps.c:46
static uint64_t num_view_updates
Number of updates we want to receive.
Definition: gnunet-rps.c:61
int main(int argc, char *const *argv)
The main function to rps.
Definition: gnunet-rps.c:262
static void view_update_handle(void *cls, uint64_t n, const struct GNUNET_PeerIdentity *recv_peers)
Callback called on receipt view update.
Definition: gnunet-rps.c:118
static unsigned int num_peers
Number of peers.
API to the rps service.
#define GNUNET_GETOPT_option_base32_auto(shortName, name, argumentHelp, description, val)
Allow user to specify a binary value using Crockford Base32 encoding where the size of the binary val...
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
#define GNUNET_log(kind,...)
@ GNUNET_OK
const char * GNUNET_i2s_full(const struct GNUNET_PeerIdentity *pid)
Convert a peer identity to a string (for printing debug messages).
@ GNUNET_ERROR_TYPE_DEBUG
enum GNUNET_GenericReturnValue GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration,...
Definition: program.c:400
void GNUNET_RPS_request_cancel(struct GNUNET_RPS_Request_Handle *rh)
Cancel an issued request.
Definition: rps_api.c:1200
struct GNUNET_RPS_Handle * GNUNET_RPS_connect(const struct GNUNET_CONFIGURATION_Handle *cfg)
Connect to the rps service.
Definition: rps_api.c:843
struct GNUNET_RPS_StreamRequestHandle * GNUNET_RPS_stream_request(struct GNUNET_RPS_Handle *rps_handle, GNUNET_RPS_NotifyReadyCB stream_input_cb, void *cls)
Request biased stream of peers that are being put into the sampler.
Definition: rps_api.c:503
void GNUNET_RPS_view_request(struct GNUNET_RPS_Handle *rps_handle, uint32_t num_updates, GNUNET_RPS_NotifyReadyCB view_update_cb, void *cls)
Request updates of view.
Definition: rps_api.c:461
void GNUNET_RPS_seed_ids(struct GNUNET_RPS_Handle *h, uint32_t n, const struct GNUNET_PeerIdentity *ids)
Seed rps service with peerIDs.
Definition: rps_api.c:1036
void GNUNET_RPS_disconnect(struct GNUNET_RPS_Handle *h)
Disconnect from the rps service.
Definition: rps_api.c:1263
struct GNUNET_RPS_Request_Handle * GNUNET_RPS_request_peers(struct GNUNET_RPS_Handle *rps_handle, uint32_t num_req_peers, GNUNET_RPS_NotifyReadyCB ready_cb, void *cls)
Request n random peers.
Definition: rps_api.c:950
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:566
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
Definition: scheduler.c:1338
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1303
Definition of a command line option.
The identity of the host (wraps the signing key of the peer).
Handler to handle requests from a client.
Definition: rps_api.c:79
Handler for a single request from a client.
Definition: rps_api.c:160