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- /*
- This file is part of GNUnet.
- Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009, 2017 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- 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
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @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 expiration value
- */
- static struct GNUNET_TIME_Relative expiration;
- /**
- * Desired replication level.
- */
- static unsigned int replication = 5;
- /**
- * Be verbose
- */
- static unsigned int verbose;
- /**
- * Use #GNUNET_DHT_DEMULTIPLEX_EVERYWHERE.
- */
- static int demultixplex_everywhere;
- /**
- * Use #GNUNET_DHT_RO_RECORD_ROUTE.
- */
- static int record_route;
- /**
- * 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)
- {
- if (NULL != dht_handle)
- {
- GNUNET_DHT_disconnect (dht_handle);
- dht_handle = NULL;
- }
- }
- /**
- * Signature of the main function of a task.
- *
- * @param cls closure
- */
- static void
- message_sent_cont (void *cls)
- {
- 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)
- {
- enum GNUNET_DHT_RouteOption ro;
- 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 DHT service!\n"));
- 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);
- if (verbose)
- fprintf (stderr,
- _ ("Issuing put request for `%s' with data `%s'!\n"),
- query_key,
- data);
- ro = GNUNET_DHT_RO_NONE;
- if (demultixplex_everywhere)
- ro |= GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE;
- if (record_route)
- ro |= GNUNET_DHT_RO_RECORD_ROUTE;
- GNUNET_DHT_put (dht_handle,
- &key,
- replication,
- ro,
- query_type,
- strlen (data),
- data,
- GNUNET_TIME_relative_to_absolute (expiration),
- &message_sent_cont,
- NULL);
- }
- /**
- * 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)
- {
- struct GNUNET_GETOPT_CommandLineOption options[] =
- { GNUNET_GETOPT_option_string ('d',
- "data",
- "DATA",
- gettext_noop (
- "the data to insert under the key"),
- &data),
- GNUNET_GETOPT_option_relative_time (
- 'e',
- "expiration",
- "EXPIRATION",
- gettext_noop ("how long to store this entry in the dht (in seconds)"),
- &expiration),
- GNUNET_GETOPT_option_string ('k',
- "key",
- "KEY",
- gettext_noop ("the query key"),
- &query_key),
- GNUNET_GETOPT_option_flag ('x',
- "demultiplex",
- gettext_noop (
- "use DHT's demultiplex everywhere option"),
- &demultixplex_everywhere),
- GNUNET_GETOPT_option_uint ('r',
- "replication",
- "LEVEL",
- gettext_noop ("how many replicas to create"),
- &replication),
- GNUNET_GETOPT_option_flag ('R',
- "record",
- gettext_noop ("use DHT's record route option"),
- &record_route),
- GNUNET_GETOPT_option_uint ('t',
- "type",
- "TYPE",
- gettext_noop ("the type to insert data as"),
- &query_type),
- GNUNET_GETOPT_option_verbose (&verbose),
- GNUNET_GETOPT_OPTION_END };
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
- return 2;
- expiration = GNUNET_TIME_UNIT_HOURS;
- 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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