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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 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.
*/
/**
* @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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