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-rw-r--r--src/dht/gnunet-dht-get.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/src/dht/gnunet-dht-get.c b/src/dht/gnunet-dht-get.c
deleted file mode 100644
index c8a1cb735..000000000
--- a/src/dht/gnunet-dht-get.c
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@@ -1,290 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @file dht/gnunet-dht-get.c
22 * @brief search for data in DHT
23 * @author Christian Grothoff
24 * @author Nathan Evans
25 */
26#include "platform.h"
27#include "gnunet_dht_service.h"
28
29#define LOG(kind, ...) GNUNET_log_from (kind, "dht-clients", __VA_ARGS__)
30/**
31 * The type of the query
32 */
33static unsigned int query_type;
34
35/**
36 * Desired replication level
37 */
38static unsigned int replication = 5;
39
40/**
41 * The key for the query
42 */
43static char *query_key;
44
45/**
46 * User supplied timeout value
47 */
48static struct GNUNET_TIME_Relative timeout_request = { 60000 };
49
50/**
51 * Be verbose
52 */
53static unsigned int verbose;
54
55/**
56 * Use DHT demultixplex_everywhere
57 */
58static int demultixplex_everywhere;
59
60/**
61 * Handle to the DHT
62 */
63static struct GNUNET_DHT_Handle *dht_handle;
64
65/**
66 * Global handle of the configuration
67 */
68static const struct GNUNET_CONFIGURATION_Handle *cfg;
69
70/**
71 * Handle for the get request
72 */
73static struct GNUNET_DHT_GetHandle *get_handle;
74
75/**
76 * Count of results found
77 */
78static unsigned int result_count;
79
80/**
81 * Global status value
82 */
83static int ret;
84
85/**
86 * Task scheduled to handle timeout.
87 */
88static struct GNUNET_SCHEDULER_Task *tt;
89
90
91/**
92 * Task run to clean up on shutdown.
93 *
94 * @param cls unused
95 */
96static void
97cleanup_task (void *cls)
98{
99 if (NULL != get_handle)
100 {
101 GNUNET_DHT_get_stop (get_handle);
102 get_handle = NULL;
103 }
104 if (NULL != dht_handle)
105 {
106 GNUNET_DHT_disconnect (dht_handle);
107 dht_handle = NULL;
108 }
109 if (NULL != tt)
110 {
111 GNUNET_SCHEDULER_cancel (tt);
112 tt = NULL;
113 }
114}
115
116
117/**
118 * Task run on timeout. Triggers shutdown.
119 *
120 * @param cls unused
121 */
122static void
123timeout_task (void *cls)
124{
125 tt = NULL;
126 GNUNET_SCHEDULER_shutdown ();
127}
128
129
130/**
131 * Iterator called on each result obtained for a DHT
132 * operation that expects a reply
133 *
134 * @param cls closure
135 * @param exp when will this value expire
136 * @param key key of the result
137 * @param get_path peers on reply path (or NULL if not recorded)
138 * @param get_path_length number of entries in get_path
139 * @param put_path peers on the PUT path (or NULL if not recorded)
140 * @param put_path_length number of entries in get_path
141 * @param type type of the result
142 * @param size number of bytes in data
143 * @param data pointer to the result data
144 */
145static void
146get_result_iterator (void *cls,
147 struct GNUNET_TIME_Absolute exp,
148 const struct GNUNET_HashCode *key,
149 const struct GNUNET_PeerIdentity *get_path,
150 unsigned int get_path_length,
151 const struct GNUNET_PeerIdentity *put_path,
152 unsigned int put_path_length,
153 enum GNUNET_BLOCK_Type type,
154 size_t size,
155 const void *data)
156{
157 fprintf (stdout,
158 (GNUNET_BLOCK_TYPE_TEST == type) ? _ ("Result %d, type %d:\n%.*s\n")
159 : _ ("Result %d, type %d:\n"),
160 result_count,
161 type,
162 (unsigned int) size,
163 (char *) data);
164 if (verbose)
165 {
166 fprintf (stdout, " GET path: ");
167 for (unsigned int i = 0; i < get_path_length; i++)
168 fprintf (stdout, "%s%s", (0 == i) ? "" : "-", GNUNET_i2s (&get_path[i]));
169 fprintf (stdout, "\n PUT path: ");
170 for (unsigned int i = 0; i < put_path_length; i++)
171 fprintf (stdout, "%s%s", (0 == i) ? "" : "-", GNUNET_i2s (&put_path[i]));
172 fprintf (stdout, "\n");
173 }
174 result_count++;
175}
176
177
178/**
179 * Main function that will be run by the scheduler.
180 *
181 * @param cls closure
182 * @param args remaining command-line arguments
183 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
184 * @param c configuration
185 */
186static void
187run (void *cls,
188 char *const *args,
189 const char *cfgfile,
190 const struct GNUNET_CONFIGURATION_Handle *c)
191{
192 struct GNUNET_HashCode key;
193
194 cfg = c;
195 if (NULL == query_key)
196 {
197 fprintf (stderr, "%s", _ ("Must provide key for DHT GET!\n"));
198 ret = 1;
199 return;
200 }
201 if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
202 {
203 fprintf (stderr, "%s", _ ("Failed to connect to DHT service!\n"));
204 ret = 1;
205 return;
206 }
207 if (query_type == GNUNET_BLOCK_TYPE_ANY) /* Type of data not set */
208 query_type = GNUNET_BLOCK_TYPE_TEST;
209 GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);
210 if (verbose)
211 fprintf (stderr,
212 "%s `%s' \n",
213 _ ("Issuing DHT GET with key"),
214 GNUNET_h2s_full (&key));
215 GNUNET_SCHEDULER_add_shutdown (&cleanup_task, NULL);
216 tt = GNUNET_SCHEDULER_add_delayed (timeout_request, &timeout_task, NULL);
217 get_handle = GNUNET_DHT_get_start (dht_handle,
218 query_type,
219 &key,
220 replication,
221 (demultixplex_everywhere)
222 ? GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE
223 : GNUNET_DHT_RO_NONE,
224 NULL,
225 0,
226 &get_result_iterator,
227 NULL);
228}
229
230
231/**
232 * Entry point for gnunet-dht-get
233 *
234 * @param argc number of arguments from the command line
235 * @param argv command line arguments
236 * @return 0 ok, 1 on error
237 */
238int
239main (int argc, char *const *argv)
240{
241 struct GNUNET_GETOPT_CommandLineOption options[] =
242 { GNUNET_GETOPT_option_string ('k',
243 "key",
244 "KEY",
245 gettext_noop ("the query key"),
246 &query_key),
247 GNUNET_GETOPT_option_uint (
248 'r',
249 "replication",
250 "LEVEL",
251 gettext_noop ("how many parallel requests (replicas) to create"),
252 &replication),
253 GNUNET_GETOPT_option_uint ('t',
254 "type",
255 "TYPE",
256 gettext_noop ("the type of data to look for"),
257 &query_type),
258 GNUNET_GETOPT_option_relative_time (
259 'T',
260 "timeout",
261 "TIMEOUT",
262 gettext_noop ("how long to execute this query before giving up?"),
263 &timeout_request),
264 GNUNET_GETOPT_option_flag ('x',
265 "demultiplex",
266 gettext_noop (
267 "use DHT's demultiplex everywhere option"),
268 &demultixplex_everywhere),
269 GNUNET_GETOPT_option_verbose (&verbose),
270 GNUNET_GETOPT_OPTION_END };
271
272
273 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
274 return 2;
275 return (GNUNET_OK ==
276 GNUNET_PROGRAM_run (
277 argc,
278 argv,
279 "gnunet-dht-get",
280 gettext_noop (
281 "Issue a GET request to the GNUnet DHT, prints results."),
282 options,
283 &run,
284 NULL))
285 ? ret
286 : 1;
287}
288
289
290/* end of gnunet-dht-get.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 00:47:32 +0000