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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 expiration value
47 static unsigned long long expiration_seconds = 3600;
50 * Desired replication level.
52 static unsigned int replication = 5;
60 * Use DHT demultixplex_everywhere
62 static int demultixplex_everywhere;
67 static struct GNUNET_DHT_Handle *dht_handle;
71 * Global handle of the configuration
73 static const struct GNUNET_CONFIGURATION_Handle *cfg;
81 * The data to insert into the dht
87 shutdown_task (void *cls)
89 if (NULL != dht_handle)
91 GNUNET_DHT_disconnect (dht_handle);
98 * Signature of the main function of a task.
101 * @param success #GNUNET_OK if the PUT was transmitted,
102 * #GNUNET_NO on timeout,
103 * #GNUNET_SYSERR on disconnect from service
104 * after the PUT message was transmitted
105 * (so we don't know if it was received or not)
108 message_sent_cont (void *cls, int success)
115 FPRINTF (stderr, "%s `%s'!\n", _("PUT request sent with key"), GNUNET_h2s_full(&key));
118 FPRINTF (stderr, "%s", _("Timeout sending PUT request!\n"));
121 FPRINTF (stderr, "%s", _("PUT request not confirmed!\n"));
128 GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
133 * Main function that will be run by the scheduler.
136 * @param args remaining command-line arguments
137 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
138 * @param c configuration
144 const struct GNUNET_CONFIGURATION_Handle *c)
146 struct GNUNET_TIME_Absolute expiration;
149 if ((NULL == query_key) || (NULL == data))
151 FPRINTF (stderr, "%s", _("Must provide KEY and DATA for DHT put!\n"));
156 if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
158 FPRINTF (stderr, _("Could not connect to %s service!\n"), "DHT");
162 if (GNUNET_BLOCK_TYPE_ANY == query_type) /* Type of data not set */
163 query_type = GNUNET_BLOCK_TYPE_TEST;
165 GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);
168 GNUNET_TIME_relative_to_absolute (GNUNET_TIME_relative_multiply
169 (GNUNET_TIME_UNIT_SECONDS,
170 expiration_seconds));
172 FPRINTF (stderr, _("Issuing put request for `%s' with data `%s'!\n"),
174 GNUNET_DHT_put (dht_handle,
177 (demultixplex_everywhere) ? GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE : GNUNET_DHT_RO_NONE,
188 * gnunet-dht-put command line options
190 static struct GNUNET_GETOPT_CommandLineOption options[] = {
191 {'d', "data", "DATA",
192 gettext_noop ("the data to insert under the key"),
193 1, &GNUNET_GETOPT_set_string, &data},
194 {'e', "expiration", "EXPIRATION",
195 gettext_noop ("how long to store this entry in the dht (in seconds)"),
196 1, &GNUNET_GETOPT_set_ulong, &expiration_seconds},
198 gettext_noop ("the query key"),
199 1, &GNUNET_GETOPT_set_string, &query_key},
200 {'x', "demultiplex", NULL,
201 gettext_noop ("use DHT's demultiplex everywhere option"),
202 0, &GNUNET_GETOPT_set_one, &demultixplex_everywhere},
203 {'r', "replication", "LEVEL",
204 gettext_noop ("how many replicas to create"),
205 1, &GNUNET_GETOPT_set_uint, &replication},
206 {'t', "type", "TYPE",
207 gettext_noop ("the type to insert data as"),
208 1, &GNUNET_GETOPT_set_uint, &query_type},
209 {'V', "verbose", NULL,
210 gettext_noop ("be verbose (print progress information)"),
211 0, &GNUNET_GETOPT_set_one, &verbose},
212 GNUNET_GETOPT_OPTION_END
217 * Entry point for gnunet-dht-put
219 * @param argc number of arguments from the command line
220 * @param argv command line arguments
221 * @return 0 ok, 1 on error
224 main (int argc, char *const *argv)
226 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv,
230 GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-put",
232 ("Issue a PUT request to the GNUnet DHT insert DATA under KEY."),
233 options, &run, NULL)) ? ret : 1;
236 /* end of gnunet-dht-put.c */