2 This file is part of GNUnet.
3 Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009, 2017 GNUnet e.V.
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.
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.
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/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
21 * @file dht/gnunet-dht-put.c
22 * @brief search for data in DHT
23 * @author Christian Grothoff
24 * @author Nathan Evans
27 #include "gnunet_dht_service.h"
30 * The type of the query
32 static unsigned int query_type;
35 * The key used in the DHT
37 struct GNUNET_HashCode key;
40 * The key for the query
42 static char *query_key;
45 * User supplied expiration value
47 static struct GNUNET_TIME_Relative expiration;
50 * Desired replication level.
52 static unsigned int replication = 5;
57 static unsigned int verbose;
60 * Use #GNUNET_DHT_DEMULTIPLEX_EVERYWHERE.
62 static int demultixplex_everywhere;
65 * Use #GNUNET_DHT_RO_RECORD_ROUTE.
67 static int record_route;
72 static struct GNUNET_DHT_Handle *dht_handle;
76 * Global handle of the configuration
78 static const struct GNUNET_CONFIGURATION_Handle *cfg;
86 * The data to insert into the dht
92 shutdown_task (void *cls)
94 if (NULL != dht_handle)
96 GNUNET_DHT_disconnect (dht_handle);
103 * Signature of the main function of a task.
108 message_sent_cont (void *cls)
110 GNUNET_SCHEDULER_add_now (&shutdown_task,
116 * Main function that will be run by the scheduler.
119 * @param args remaining command-line arguments
120 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
121 * @param c configuration
127 const struct GNUNET_CONFIGURATION_Handle *c)
129 enum GNUNET_DHT_RouteOption ro;
132 if ((NULL == query_key) || (NULL == data))
134 FPRINTF (stderr, "%s", _("Must provide KEY and DATA for DHT put!\n"));
139 if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
142 _("Could not connect to DHT service!\n"));
146 if (GNUNET_BLOCK_TYPE_ANY == query_type) /* Type of data not set */
147 query_type = GNUNET_BLOCK_TYPE_TEST;
149 GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);
153 _("Issuing put request for `%s' with data `%s'!\n"),
156 ro = GNUNET_DHT_RO_NONE;
157 if (demultixplex_everywhere)
158 ro |= GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE;
160 ro |= GNUNET_DHT_RO_RECORD_ROUTE;
161 GNUNET_DHT_put (dht_handle,
168 GNUNET_TIME_relative_to_absolute (expiration),
174 * Entry point for gnunet-dht-put
176 * @param argc number of arguments from the command line
177 * @param argv command line arguments
178 * @return 0 ok, 1 on error
181 main (int argc, char *const *argv)
184 struct GNUNET_GETOPT_CommandLineOption options[] = {
185 GNUNET_GETOPT_option_string ('d',
188 gettext_noop ("the data to insert under the key"),
190 GNUNET_GETOPT_option_relative_time ('e',
193 gettext_noop ("how long to store this entry in the dht (in seconds)"),
195 GNUNET_GETOPT_option_string ('k',
198 gettext_noop ("the query key"),
200 GNUNET_GETOPT_option_flag ('x',
202 gettext_noop ("use DHT's demultiplex everywhere option"),
203 &demultixplex_everywhere),
204 GNUNET_GETOPT_option_uint ('r',
207 gettext_noop ("how many replicas to create"),
209 GNUNET_GETOPT_option_flag ('R',
211 gettext_noop ("use DHT's record route option"),
213 GNUNET_GETOPT_option_uint ('t',
216 gettext_noop ("the type to insert data as"),
218 GNUNET_GETOPT_option_verbose (&verbose),
219 GNUNET_GETOPT_OPTION_END
224 GNUNET_STRINGS_get_utf8_args (argc, argv,
227 expiration = GNUNET_TIME_UNIT_HOURS;
229 GNUNET_PROGRAM_run (argc,
233 ("Issue a PUT request to the GNUnet DHT insert DATA under KEY."),
240 /* end of gnunet-dht-put.c */