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- /*
- This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
- /**
- * @file dht/gnunet-dht-put.c
- * @brief search for data in DHT
- * @author Christian Grothoff
- * @author Nathan Evans
- */
- #include "platform.h"
- #include "gnunet_dht_service.h"
- /**
- * The type of the query
- */
- static unsigned int query_type;
- /**
- * The key used in the DHT
- */
- struct GNUNET_HashCode key;
- /**
- * The key for the query
- */
- static char *query_key;
- /**
- * User supplied timeout value
- */
- static unsigned long long timeout_request = 5;
- /**
- * User supplied expiration value
- */
- static unsigned long long expiration_seconds = 3600;
- /**
- * Desired replication level.
- */
- static unsigned int replication = 5;
- /**
- * Be verbose
- */
- static int verbose;
- /**
- * Use DHT demultixplex_everywhere
- */
- static int demultixplex_everywhere;
- /**
- * Handle to the DHT
- */
- static struct GNUNET_DHT_Handle *dht_handle;
- /**
- * Global handle of the configuration
- */
- static const struct GNUNET_CONFIGURATION_Handle *cfg;
- /**
- * Global status value
- */
- static int ret;
- /**
- * The data to insert into the dht
- */
- static char *data;
- static void
- shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
- {
- if (NULL != dht_handle)
- {
- GNUNET_DHT_disconnect (dht_handle);
- dht_handle = NULL;
- }
- }
- /**
- * Signature of the main function of a task.
- *
- * @param cls closure
- * @param success GNUNET_OK if the PUT was transmitted,
- * GNUNET_NO on timeout,
- * GNUNET_SYSERR on disconnect from service
- * after the PUT message was transmitted
- * (so we don't know if it was received or not)
- */
- static void
- message_sent_cont (void *cls, int success)
- {
- if (verbose)
- {
- switch (success)
- {
- case GNUNET_OK:
- FPRINTF (stderr, "%s `%s'!\n", _("PUT request sent with key"), GNUNET_h2s_full(&key));
- break;
- case GNUNET_NO:
- FPRINTF (stderr, "%s", _("Timeout sending PUT request!\n"));
- break;
- case GNUNET_SYSERR:
- FPRINTF (stderr, "%s", _("PUT request not confirmed!\n"));
- break;
- default:
- GNUNET_break (0);
- break;
- }
- }
- GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
- }
- /**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param c configuration
- */
- static void
- run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *c)
- {
- struct GNUNET_TIME_Relative timeout;
- struct GNUNET_TIME_Absolute expiration;
- cfg = c;
- if ((NULL == query_key) || (NULL == data))
- {
- FPRINTF (stderr, "%s", _("Must provide KEY and DATA for DHT put!\n"));
- ret = 1;
- return;
- }
- if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
- {
- FPRINTF (stderr, _("Could not connect to %s service!\n"), "DHT");
- ret = 1;
- return;
- }
- if (GNUNET_BLOCK_TYPE_ANY == query_type) /* Type of data not set */
- query_type = GNUNET_BLOCK_TYPE_TEST;
- GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);
- timeout =
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_request);
- expiration =
- GNUNET_TIME_relative_to_absolute (GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_SECONDS,
- expiration_seconds));
- if (verbose)
- FPRINTF (stderr, _("Issuing put request for `%s' with data `%s'!\n"),
- query_key, data);
- GNUNET_DHT_put (dht_handle, &key, replication,
- (demultixplex_everywhere) ? GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE : GNUNET_DHT_RO_NONE,
- query_type,
- strlen (data), data, expiration, timeout, &message_sent_cont,
- NULL);
- }
- /**
- * gnunet-dht-put command line options
- */
- static struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'d', "data", "DATA",
- gettext_noop ("the data to insert under the key"),
- 1, &GNUNET_GETOPT_set_string, &data},
- {'e', "expiration", "EXPIRATION",
- gettext_noop ("how long to store this entry in the dht (in seconds)"),
- 1, &GNUNET_GETOPT_set_ulong, &expiration_seconds},
- {'k', "key", "KEY",
- gettext_noop ("the query key"),
- 1, &GNUNET_GETOPT_set_string, &query_key},
- {'x', "demultiplex", NULL,
- gettext_noop ("use DHT's demultiplex everywhere option"),
- 0, &GNUNET_GETOPT_set_one, &demultixplex_everywhere},
- {'r', "replication", "LEVEL",
- gettext_noop ("how many replicas to create"),
- 1, &GNUNET_GETOPT_set_uint, &replication},
- {'t', "type", "TYPE",
- gettext_noop ("the type to insert data as"),
- 1, &GNUNET_GETOPT_set_uint, &query_type},
- {'T', "timeout", "TIMEOUT",
- gettext_noop ("how long to execute this query before giving up?"),
- 1, &GNUNET_GETOPT_set_ulong, &timeout_request},
- {'V', "verbose", NULL,
- gettext_noop ("be verbose (print progress information)"),
- 0, &GNUNET_GETOPT_set_one, &verbose},
- GNUNET_GETOPT_OPTION_END
- };
- /**
- * Entry point for gnunet-dht-put
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
- int
- main (int argc, char *const *argv)
- {
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
- return 2;
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-put",
- gettext_noop
- ("Issue a PUT request to the GNUnet DHT insert DATA under KEY."),
- options, &run, NULL)) ? ret : 1;
- }
- /* end of gnunet-dht-put.c */
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