2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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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 timeout value
47 static unsigned long long timeout_request = 5;
50 * User supplied expiration value
52 static unsigned long long expiration_seconds = 3600;
55 * Desired replication level.
57 static unsigned int replication = 5;
65 * Use DHT demultixplex_everywhere
67 static int demultixplex_everywhere;
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
91 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
93 if (NULL != dht_handle)
95 GNUNET_DHT_disconnect (dht_handle);
101 * Signature of the main function of a task.
104 * @param success GNUNET_OK if the PUT was transmitted,
105 * GNUNET_NO on timeout,
106 * GNUNET_SYSERR on disconnect from service
107 * after the PUT message was transmitted
108 * (so we don't know if it was received or not)
111 message_sent_cont (void *cls, int success)
118 FPRINTF (stderr, "%s `%s'!\n", _("PUT request sent with key"), GNUNET_h2s_full(&key));
121 FPRINTF (stderr, "%s", _("Timeout sending PUT request!\n"));
124 FPRINTF (stderr, "%s", _("PUT request not confirmed!\n"));
131 GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
135 * Main function that will be run by the scheduler.
138 * @param args remaining command-line arguments
139 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
140 * @param c configuration
143 run (void *cls, char *const *args, const char *cfgfile,
144 const struct GNUNET_CONFIGURATION_Handle *c)
146 struct GNUNET_TIME_Relative timeout;
147 struct GNUNET_TIME_Absolute expiration;
151 if ((query_key == NULL) || (data == NULL))
153 FPRINTF (stderr, "%s", _("Must provide KEY and DATA for DHT put!\n"));
158 dht_handle = GNUNET_DHT_connect (cfg, 1);
159 if (dht_handle == NULL)
161 FPRINTF (stderr, _("Could not connect to %s service!\n"), "DHT");
166 FPRINTF (stderr, _("Connected to %s service!\n"), "DHT");
168 if (query_type == GNUNET_BLOCK_TYPE_ANY) /* Type of data not set */
169 query_type = GNUNET_BLOCK_TYPE_TEST;
171 GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);
174 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_request);
176 GNUNET_TIME_relative_to_absolute (GNUNET_TIME_relative_multiply
177 (GNUNET_TIME_UNIT_SECONDS,
178 expiration_seconds));
181 FPRINTF (stderr, _("Issuing put request for `%s' with data `%s'!\n"),
183 GNUNET_DHT_put (dht_handle, &key, replication,
184 (demultixplex_everywhere) ? GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE : GNUNET_DHT_RO_NONE,
186 strlen (data), data, expiration, timeout, &message_sent_cont,
193 * gnunet-dht-put command line options
195 static struct GNUNET_GETOPT_CommandLineOption options[] = {
196 {'d', "data", "DATA",
197 gettext_noop ("the data to insert under the key"),
198 1, &GNUNET_GETOPT_set_string, &data},
199 {'e', "expiration", "EXPIRATION",
200 gettext_noop ("how long to store this entry in the dht (in seconds)"),
201 1, &GNUNET_GETOPT_set_ulong, &expiration_seconds},
203 gettext_noop ("the query key"),
204 1, &GNUNET_GETOPT_set_string, &query_key},
205 {'x', "demultiplex", NULL,
206 gettext_noop ("use DHT's demultiplex everywhere option"),
207 0, &GNUNET_GETOPT_set_one, &demultixplex_everywhere},
208 {'r', "replication", "LEVEL",
209 gettext_noop ("how many replicas to create"),
210 1, &GNUNET_GETOPT_set_uint, &replication},
211 {'t', "type", "TYPE",
212 gettext_noop ("the type to insert data as"),
213 1, &GNUNET_GETOPT_set_uint, &query_type},
214 {'T', "timeout", "TIMEOUT",
215 gettext_noop ("how long to execute this query before giving up?"),
216 1, &GNUNET_GETOPT_set_ulong, &timeout_request},
217 {'V', "verbose", NULL,
218 gettext_noop ("be verbose (print progress information)"),
219 0, &GNUNET_GETOPT_set_one, &verbose},
220 GNUNET_GETOPT_OPTION_END
225 * Entry point for gnunet-dht-put
227 * @param argc number of arguments from the command line
228 * @param argv command line arguments
229 * @return 0 ok, 1 on error
232 main (int argc, char *const *argv)
234 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
238 GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-put",
240 ("Issue a PUT request to the GNUnet DHT insert DATA under KEY."),
241 options, &run, NULL)) ? ret : 1;
244 /* end of gnunet-dht-put.c */