/*
This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 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, or (at your
- option) any later version.
+ 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
- General Public License for more details.
+ Affero 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.
-*/
+ 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-get.c
* @brief search for data in DHT
#include "platform.h"
#include "gnunet_dht_service.h"
+#define LOG(kind, ...) GNUNET_log_from (kind, "dht-clients", __VA_ARGS__)
/**
* The type of the query
*/
static char *query_key;
/**
- * User supplied timeout value (in seconds)
+ * User supplied timeout value
*/
-static unsigned long long timeout_request = 5;
+static struct GNUNET_TIME_Relative timeout_request = { 60000 };
/**
- * When this request should really die
+ * Be verbose
*/
-struct GNUNET_TIME_Absolute absolute_timeout;
+static unsigned int verbose;
/**
- * Be verbose
+ * Use DHT demultixplex_everywhere
*/
-static int verbose;
+static int demultixplex_everywhere;
/**
* Handle to the DHT
*/
static int ret;
+/**
+ * Task scheduled to handle timeout.
+ */
+static struct GNUNET_SCHEDULER_Task *tt;
+
+/**
+ * Task run to clean up on shutdown.
+ *
+ * @param cls unused
+ */
static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+cleanup_task (void *cls)
{
- if (dht_handle != NULL)
+ if (NULL != get_handle)
+ {
+ GNUNET_DHT_get_stop (get_handle);
+ get_handle = NULL;
+ }
+ if (NULL != dht_handle)
{
GNUNET_DHT_disconnect (dht_handle);
dht_handle = NULL;
}
+ if (NULL != tt)
+ {
+ GNUNET_SCHEDULER_cancel (tt);
+ tt = NULL;
+ }
}
+/**
+ * Task run on timeout. Triggers shutdown.
+ *
+ * @param cls unused
+ */
static void
-cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+timeout_task (void *cls)
{
- if (get_handle != NULL)
- {
- GNUNET_DHT_get_stop (get_handle);
- get_handle = NULL;
- }
- GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+ tt = NULL;
+ GNUNET_SCHEDULER_shutdown ();
}
* @param data pointer to the result data
*/
static void
-get_result_iterator (void *cls, struct GNUNET_TIME_Absolute exp,
- const GNUNET_HashCode * key,
+get_result_iterator (void *cls,
+ struct GNUNET_TIME_Absolute exp,
+ const struct GNUNET_HashCode *key,
const struct GNUNET_PeerIdentity *get_path,
unsigned int get_path_length,
const struct GNUNET_PeerIdentity *put_path,
- unsigned int put_path_length, enum GNUNET_BLOCK_Type type,
- size_t size, const void *data)
+ unsigned int put_path_length,
+ enum GNUNET_BLOCK_Type type,
+ size_t size,
+ const void *data)
{
- FPRINTF (stdout, "Result %d, type %d:\n%.*s\n", result_count, type,
- (unsigned int) size, (char *) data);
+ fprintf (stdout,
+ (GNUNET_BLOCK_TYPE_TEST == type) ? _ ("Result %d, type %d:\n%.*s\n")
+ : _ ("Result %d, type %d:\n"),
+ result_count,
+ type,
+ (unsigned int) size,
+ (char *) data);
+ if (verbose)
+ {
+ fprintf (stdout, " GET path: ");
+ for (unsigned int i = 0; i < get_path_length; i++)
+ fprintf (stdout, "%s%s", (0 == i) ? "" : "-", GNUNET_i2s (&get_path[i]));
+ fprintf (stdout, "\n PUT path: ");
+ for (unsigned int i = 0; i < put_path_length; i++)
+ fprintf (stdout, "%s%s", (0 == i) ? "" : "-", GNUNET_i2s (&put_path[i]));
+ fprintf (stdout, "\n");
+ }
result_count++;
}
* @param c configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
- struct GNUNET_TIME_Relative timeout;
- GNUNET_HashCode key;
+ struct GNUNET_HashCode key;
cfg = c;
-
- if (query_key == NULL)
+ if (NULL == query_key)
{
- if (verbose)
- FPRINTF (stderr, "%s", "Must provide key for DHT GET!\n");
+ fprintf (stderr, "%s", _ ("Must provide key for DHT GET!\n"));
ret = 1;
return;
}
-
- dht_handle = GNUNET_DHT_connect (cfg, 1);
-
- if (dht_handle == NULL)
+ if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
{
- if (verbose)
- FPRINTF (stderr, "%s", "Couldn't connect to DHT service!\n");
+ fprintf (stderr, "%s", _ ("Failed to connect to DHT service!\n"));
ret = 1;
return;
}
- else if (verbose)
- FPRINTF (stderr, "%s", "Connected to DHT service!\n");
-
- if (query_type == GNUNET_BLOCK_TYPE_ANY) /* Type of data not set */
+ if (query_type == GNUNET_BLOCK_TYPE_ANY) /* 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);
- absolute_timeout = GNUNET_TIME_relative_to_absolute (timeout);
-
if (verbose)
- FPRINTF (stderr, "Issuing GET request for %s!\n", query_key);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
- (absolute_timeout), &cleanup_task, NULL);
- get_handle =
- GNUNET_DHT_get_start (dht_handle, query_type, &key, replication,
- GNUNET_DHT_RO_NONE, NULL, 0, &get_result_iterator,
- NULL);
-
+ fprintf (stderr,
+ "%s `%s' \n",
+ _ ("Issuing DHT GET with key"),
+ GNUNET_h2s_full (&key));
+ GNUNET_SCHEDULER_add_shutdown (&cleanup_task, NULL);
+ tt = GNUNET_SCHEDULER_add_delayed (timeout_request, &timeout_task, NULL);
+ get_handle = GNUNET_DHT_get_start (dht_handle,
+ query_type,
+ &key,
+ replication,
+ (demultixplex_everywhere)
+ ? GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE
+ : GNUNET_DHT_RO_NONE,
+ NULL,
+ 0,
+ &get_result_iterator,
+ NULL);
}
-/**
- * gnunet-dht-get command line options
- */
-static struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'k', "key", "KEY",
- gettext_noop ("the query key"),
- 1, &GNUNET_GETOPT_set_string, &query_key},
- {'r', "replication", "LEVEL",
- gettext_noop ("how many parallel requests (replicas) to create"),
- 1, &GNUNET_GETOPT_set_uint, &replication},
- {'t', "type", "TYPE",
- gettext_noop ("the type of data to look for"),
- 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-get
*
int
main (int argc, char *const *argv)
{
+ struct GNUNET_GETOPT_CommandLineOption options[] =
+ { GNUNET_GETOPT_option_string ('k',
+ "key",
+ "KEY",
+ gettext_noop ("the query key"),
+ &query_key),
+ GNUNET_GETOPT_option_uint (
+ 'r',
+ "replication",
+ "LEVEL",
+ gettext_noop ("how many parallel requests (replicas) to create"),
+ &replication),
+ GNUNET_GETOPT_option_uint ('t',
+ "type",
+ "TYPE",
+ gettext_noop ("the type of data to look for"),
+ &query_type),
+ GNUNET_GETOPT_option_relative_time (
+ 'T',
+ "timeout",
+ "TIMEOUT",
+ gettext_noop ("how long to execute this query before giving up?"),
+ &timeout_request),
+ GNUNET_GETOPT_option_flag ('x',
+ "demultiplex",
+ gettext_noop (
+ "use DHT's demultiplex everywhere option"),
+ &demultixplex_everywhere),
+ GNUNET_GETOPT_option_verbose (&verbose),
+ GNUNET_GETOPT_OPTION_END };
+
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
-
return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-get",
- gettext_noop
- ("Issue a GET request to the GNUnet DHT, prints results."),
- options, &run, NULL)) ? ret : 1;
+ GNUNET_PROGRAM_run (
+ argc,
+ argv,
+ "gnunet-dht-get",
+ gettext_noop (
+ "Issue a GET request to the GNUnet DHT, prints results."),
+ options,
+ &run,
+ NULL))
+ ? ret
+ : 1;
}
+
/* end of gnunet-dht-get.c */