/*
This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file dht/gnunet-dht-monitor.c
/**
* User supplied timeout value (in seconds)
*/
-static unsigned long long timeout_request = 5;
+static struct GNUNET_TIME_Relative timeout_request = { 60000 };
/**
* Be verbose
*/
static int ret;
+/**
+ * Task scheduled to handle timeout.
+ */
+static struct GNUNET_SCHEDULER_Task *tt;
+
/**
- * Function called on shutdown, disconnects from DHT if necessary.
+ * Stop monitoring request and start shutdown
*
* @param cls closure (unused)
- * @param tc Task Context
*/
static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+cleanup_task (void *cls)
{
if (verbose)
- FPRINTF (stderr, "%s", "Shutting down!\n");
- if (dht_handle != NULL)
+ FPRINTF (stderr, "%s", "Cleaning up!\n");
+ if (NULL != monitor_handle)
+ {
+ GNUNET_DHT_monitor_stop (monitor_handle);
+ monitor_handle = NULL;
+ }
+ if (NULL != dht_handle)
{
GNUNET_DHT_disconnect (dht_handle);
dht_handle = NULL;
}
+ if (NULL != tt)
+ {
+ GNUNET_SCHEDULER_cancel (tt);
+ tt = NULL;
+ }
}
/**
- * Stop monitoring request and start shutdown
+ * We hit a timeout. Stop monitoring request and start shutdown
*
* @param cls closure (unused)
- * @param tc Task Context
*/
static void
-cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+timeout_task (void *cls)
{
- if (verbose)
- FPRINTF (stderr, "%s", "Cleaning up!\n");
- if (monitor_handle != NULL)
- {
- GNUNET_DHT_monitor_stop (monitor_handle);
- monitor_handle = NULL;
- }
- GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
+ tt = NULL;
+ GNUNET_SCHEDULER_shutdown ();
+}
+
+
+
+/**
+ * Callback called on each GET request going through the DHT.
+ *
+ * @param cls Closure.
+ * @param options Options, for instance RecordRoute, DemultiplexEverywhere.
+ * @param type The type of data in the request.
+ * @param hop_count Hop count so far.
+ * @param path_length number of entries in path (or 0 if not recorded).
+ * @param path peers on the GET path (or NULL if not recorded).
+ * @param desired_replication_level Desired replication level.
+ * @param key Key of the requested data.
+ */
+static void
+get_callback (void *cls,
+ enum GNUNET_DHT_RouteOption options,
+ enum GNUNET_BLOCK_Type type,
+ uint32_t hop_count,
+ uint32_t desired_replication_level,
+ unsigned int path_length,
+ const struct GNUNET_PeerIdentity *path,
+ const struct GNUNET_HashCode * key)
+{
+ FPRINTF (stdout, "GET #%u: type %d, key `%s'\n",
+ result_count,
+ (int) type,
+ GNUNET_h2s_full(key));
+ result_count++;
}
/**
- * Callback called on each request going through the DHT.
+ * Callback called on each GET reply going through the DHT.
*
* @param cls Closure.
- * @param mtype Type of the DHT message monitored.
- * @param exp When will this value expire.
- * @param key Key of the result/request.
- * @param get_path Peers on reply path (or NULL if not recorded).
+ * @param type The type of data in the result.
+ * @param get_path Peers on GET path (or NULL if not recorded).
* @param get_path_length number of entries in get_path.
* @param put_path peers on the PUT path (or NULL if not recorded).
* @param put_path_length number of entries in get_path.
- * @param desired_replication_level Desired replication level.
- * @param options Options of the route (record, demultiplex, etc)
- * @param type Type of the result/request.
+ * @param exp Expiration time of the data.
+ * @param key Key of the data.
* @param data Pointer to the result data.
* @param size Number of bytes in data.
*/
-void
-monitor_callback (void *cls,
- uint16_t mtype,
- struct GNUNET_TIME_Absolute exp,
- const 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,
- uint32_t desired_replication_level,
- enum GNUNET_DHT_RouteOption options,
- enum GNUNET_BLOCK_Type type,
- const void *data,
- size_t size)
+static void
+get_resp_callback (void *cls,
+ enum GNUNET_BLOCK_Type type,
+ const struct GNUNET_PeerIdentity *get_path,
+ unsigned int get_path_length,
+ const struct GNUNET_PeerIdentity *put_path,
+ unsigned int put_path_length,
+ struct GNUNET_TIME_Absolute exp,
+ const struct GNUNET_HashCode * key,
+ const void *data,
+ size_t size)
{
- FPRINTF (stdout, "Result %d, type %d:\n%.*s\n",
+ FPRINTF (stdout,
+ "RESPONSE #%u: type %d, key `%s', data `%.*s'\n",
result_count,
- type,
+ (int) type,
+ GNUNET_h2s_full (key),
+ (unsigned int) size,
+ (char *) data);
+ result_count++;
+}
+
+
+/**
+ * Callback called on each PUT request going through the DHT.
+ *
+ * @param cls Closure.
+ * @param options Options, for instance RecordRoute, DemultiplexEverywhere.
+ * @param type The type of data in the request.
+ * @param hop_count Hop count so far.
+ * @param path_length number of entries in path (or 0 if not recorded).
+ * @param path peers on the PUT path (or NULL if not recorded).
+ * @param desired_replication_level Desired replication level.
+ * @param exp Expiration time of the data.
+ * @param key Key under which data is to be stored.
+ * @param data Pointer to the data carried.
+ * @param size Number of bytes in data.
+ */
+static void
+put_callback (void *cls,
+ enum GNUNET_DHT_RouteOption options,
+ enum GNUNET_BLOCK_Type type,
+ uint32_t hop_count,
+ uint32_t desired_replication_level,
+ unsigned int path_length,
+ const struct GNUNET_PeerIdentity *path,
+ struct GNUNET_TIME_Absolute exp,
+ const struct GNUNET_HashCode * key,
+ const void *data,
+ size_t size)
+{
+ FPRINTF (stdout,
+ "PUT %u: type %d, key `%s', data `%.*s'\n",
+ result_count,
+ (int) type,
+ GNUNET_h2s_full(key),
(unsigned int) size,
(char *) data);
result_count++;
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;
+ struct GNUNET_HashCode hc;
cfg = c;
- 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 (block_type == GNUNET_BLOCK_TYPE_ANY) /* Type of data not set */
+ if (GNUNET_BLOCK_TYPE_ANY == block_type) /* Type of data not set */
block_type = GNUNET_BLOCK_TYPE_TEST;
-
- if (query_key != NULL) {
- key = GNUNET_malloc (sizeof(GNUNET_HashCode));
- GNUNET_CRYPTO_hash (query_key, strlen (query_key), key);
- }
+ if (NULL != query_key)
+ {
+ key = &hc;
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_hash_from_string (query_key, key))
+ GNUNET_CRYPTO_hash (query_key, strlen (query_key), key);
+ }
else
- key = NULL;
-
- if (0 != timeout_request)
- {
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
- timeout_request);
- if (verbose)
- FPRINTF (stderr, "Monitoring for %llus\n", timeout_request);
- }
- else
- {
- timeout = GNUNET_TIME_UNIT_FOREVER_REL;
- if (verbose)
- FPRINTF (stderr, "Monitoring indefinitely (close with Ctrl+C)\n");
- }
-
- GNUNET_SCHEDULER_add_delayed (timeout, &cleanup_task, NULL);
+ {
+ key = NULL;
+ }
if (verbose)
- FPRINTF (stderr, "Issuing MONITOR request for %s!\n", query_key);
- monitor_handle = GNUNET_DHT_monitor_start (dht_handle, block_type, key,
- &monitor_callback, NULL);
- if (verbose)
- FPRINTF (stderr, "MONITOR started!\n");
- GNUNET_free_non_null (key);
-
+ FPRINTF (stderr,
+ "Monitoring for %s\n",
+ GNUNET_STRINGS_relative_time_to_string (timeout_request, GNUNET_NO));
+ tt = GNUNET_SCHEDULER_add_delayed (timeout_request,
+ &timeout_task,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&cleanup_task,
+ NULL);
+ monitor_handle = GNUNET_DHT_monitor_start (dht_handle,
+ block_type,
+ key,
+ &get_callback,
+ &get_resp_callback,
+ &put_callback,
+ NULL);
}
/**
- * gnunet-dht-get command line options
+ * gnunet-dht-monitor command line options
*/
static struct GNUNET_GETOPT_CommandLineOption options[] = {
{'k', "key", "KEY",
gettext_noop ("the type of data to look for"),
1, &GNUNET_GETOPT_set_uint, &block_type},
{'T', "timeout", "TIMEOUT",
- gettext_noop ("how long to execute? 0 = forever"),
- 1, &GNUNET_GETOPT_set_ulong, &timeout_request},
+ gettext_noop ("how long should the monitor command run"),
+ 1, &GNUNET_GETOPT_set_relative_time, &timeout_request},
{'V', "verbose", NULL,
gettext_noop ("be verbose (print progress information)"),
0, &GNUNET_GETOPT_set_one, &verbose},
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-get",
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-monitor",
gettext_noop
("Prints all packets that go through the DHT."),
options, &run, NULL)) ? ret : 1;