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-rw-r--r--src/dht/gnunet-dht-monitor.c345
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diff --git a/src/dht/gnunet-dht-monitor.c b/src/dht/gnunet-dht-monitor.c
deleted file mode 100644
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--- a/src/dht/gnunet-dht-monitor.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2012 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-monitor.c
22 * @brief search for data in DHT
23 * @author Christian Grothoff
24 * @author Bartlomiej Polot
25 */
26#include "platform.h"
27#include "gnunet_dht_service.h"
28
29/**
30 * The type of the query
31 */
32static unsigned int block_type;
33
34/**
35 * The key to be monitored
36 */
37static char *query_key;
38
39/**
40 * User supplied timeout value (in seconds)
41 */
42static struct GNUNET_TIME_Relative timeout_request = { 60000 };
43
44/**
45 * Be verbose
46 */
47static int verbose;
48
49/**
50 * Handle to the DHT
51 */
52static struct GNUNET_DHT_Handle *dht_handle;
53
54/**
55 * Global handle of the configuration
56 */
57static const struct GNUNET_CONFIGURATION_Handle *cfg;
58
59/**
60 * Handle for the get request
61 */
62static struct GNUNET_DHT_MonitorHandle *monitor_handle;
63
64/**
65 * Count of messages received
66 */
67static unsigned int result_count;
68
69/**
70 * Global status value
71 */
72static int ret;
73
74/**
75 * Task scheduled to handle timeout.
76 */
77static struct GNUNET_SCHEDULER_Task *tt;
78
79
80/**
81 * Stop monitoring request and start shutdown
82 *
83 * @param cls closure (unused)
84 */
85static void
86cleanup_task (void *cls)
87{
88 if (verbose)
89 fprintf (stderr, "%s", "Cleaning up!\n");
90 if (NULL != monitor_handle)
91 {
92 GNUNET_DHT_monitor_stop (monitor_handle);
93 monitor_handle = NULL;
94 }
95 if (NULL != dht_handle)
96 {
97 GNUNET_DHT_disconnect (dht_handle);
98 dht_handle = NULL;
99 }
100 if (NULL != tt)
101 {
102 GNUNET_SCHEDULER_cancel (tt);
103 tt = NULL;
104 }
105}
106
107
108/**
109 * We hit a timeout. Stop monitoring request and start shutdown
110 *
111 * @param cls closure (unused)
112 */
113static void
114timeout_task (void *cls)
115{
116 tt = NULL;
117 GNUNET_SCHEDULER_shutdown ();
118}
119
120
121/**
122 * Callback called on each GET request going through the DHT.
123 *
124 * @param cls Closure.
125 * @param options Options, for instance RecordRoute, DemultiplexEverywhere.
126 * @param type The type of data in the request.
127 * @param hop_count Hop count so far.
128 * @param path_length number of entries in path (or 0 if not recorded).
129 * @param path peers on the GET path (or NULL if not recorded).
130 * @param desired_replication_level Desired replication level.
131 * @param key Key of the requested data.
132 */
133static void
134get_callback (void *cls,
135 enum GNUNET_DHT_RouteOption options,
136 enum GNUNET_BLOCK_Type type,
137 uint32_t hop_count,
138 uint32_t desired_replication_level,
139 unsigned int path_length,
140 const struct GNUNET_PeerIdentity *path,
141 const struct GNUNET_HashCode *key)
142{
143 fprintf (stdout,
144 "GET #%u: type %d, key `%s'\n",
145 result_count,
146 (int) type,
147 GNUNET_h2s_full (key));
148 result_count++;
149}
150
151
152/**
153 * Callback called on each GET reply going through the DHT.
154 *
155 * @param cls Closure.
156 * @param type The type of data in the result.
157 * @param get_path Peers on GET path (or NULL if not recorded).
158 * @param get_path_length number of entries in get_path.
159 * @param put_path peers on the PUT path (or NULL if not recorded).
160 * @param put_path_length number of entries in get_path.
161 * @param exp Expiration time of the data.
162 * @param key Key of the data.
163 * @param data Pointer to the result data.
164 * @param size Number of bytes in data.
165 */
166static void
167get_resp_callback (void *cls,
168 enum GNUNET_BLOCK_Type type,
169 const struct GNUNET_PeerIdentity *get_path,
170 unsigned int get_path_length,
171 const struct GNUNET_PeerIdentity *put_path,
172 unsigned int put_path_length,
173 struct GNUNET_TIME_Absolute exp,
174 const struct GNUNET_HashCode *key,
175 const void *data,
176 size_t size)
177{
178 fprintf (stdout,
179 (GNUNET_BLOCK_TYPE_TEST == type)
180 ? "RESPONSE #%u (%s): type %d, key `%s', data `%.*s'\n"
181 : "RESPONSE #%u (%s): type %d, key `%s'\n",
182 result_count,
183 GNUNET_STRINGS_absolute_time_to_string (exp),
184 (int) type,
185 GNUNET_h2s_full (key),
186 (unsigned int) size,
187 (char *) data);
188 result_count++;
189}
190
191
192/**
193 * Callback called on each PUT request going through the DHT.
194 *
195 * @param cls Closure.
196 * @param options Options, for instance RecordRoute, DemultiplexEverywhere.
197 * @param type The type of data in the request.
198 * @param hop_count Hop count so far.
199 * @param path_length number of entries in path (or 0 if not recorded).
200 * @param path peers on the PUT path (or NULL if not recorded).
201 * @param desired_replication_level Desired replication level.
202 * @param exp Expiration time of the data.
203 * @param key Key under which data is to be stored.
204 * @param data Pointer to the data carried.
205 * @param size Number of bytes in data.
206 */
207static void
208put_callback (void *cls,
209 enum GNUNET_DHT_RouteOption options,
210 enum GNUNET_BLOCK_Type type,
211 uint32_t hop_count,
212 uint32_t desired_replication_level,
213 unsigned int path_length,
214 const struct GNUNET_PeerIdentity *path,
215 struct GNUNET_TIME_Absolute exp,
216 const struct GNUNET_HashCode *key,
217 const void *data,
218 size_t size)
219{
220 fprintf (stdout,
221 (GNUNET_BLOCK_TYPE_TEST == type)
222 ? "PUT %u (%s): type %d, key `%s', data `%.*s'\n"
223 : "PUT %u (%s): type %d, key `%s'\n",
224 result_count,
225 GNUNET_STRINGS_absolute_time_to_string (exp),
226 (int) type,
227 GNUNET_h2s_full (key),
228 (unsigned int) size,
229 (char *) data);
230 result_count++;
231}
232
233
234/**
235 * Main function that will be run by the scheduler.
236 *
237 * @param cls closure
238 * @param args remaining command-line arguments
239 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
240 * @param c configuration
241 */
242static void
243run (void *cls,
244 char *const *args,
245 const char *cfgfile,
246 const struct GNUNET_CONFIGURATION_Handle *c)
247{
248 struct GNUNET_HashCode *key;
249 struct GNUNET_HashCode hc;
250
251 cfg = c;
252
253 if (NULL == (dht_handle = GNUNET_DHT_connect (cfg, 1)))
254 {
255 fprintf (stderr, "%s", _ ("Failed to connect to DHT service!\n"));
256 ret = 1;
257 return;
258 }
259 if (GNUNET_BLOCK_TYPE_ANY == block_type) /* Type of data not set */
260 block_type = GNUNET_BLOCK_TYPE_TEST;
261 if (NULL != query_key)
262 {
263 key = &hc;
264 if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string (query_key, key))
265 GNUNET_CRYPTO_hash (query_key, strlen (query_key), key);
266 }
267 else
268 {
269 key = NULL;
270 }
271 if (verbose)
272 fprintf (stderr,
273 "Monitoring for %s\n",
274 GNUNET_STRINGS_relative_time_to_string (timeout_request,
275 GNUNET_NO));
276 tt = GNUNET_SCHEDULER_add_delayed (timeout_request, &timeout_task, NULL);
277 GNUNET_SCHEDULER_add_shutdown (&cleanup_task, NULL);
278 monitor_handle = GNUNET_DHT_monitor_start (dht_handle,
279 block_type,
280 key,
281 &get_callback,
282 &get_resp_callback,
283 &put_callback,
284 NULL);
285}
286
287
288/**
289 * Entry point for gnunet-dht-monitor
290 *
291 * @param argc number of arguments from the command line
292 * @param argv command line arguments
293 * @return 0 ok, 1 on error
294 */
295int
296main (int argc, char *const *argv)
297{
298 struct GNUNET_GETOPT_CommandLineOption options[] = {
299 GNUNET_GETOPT_option_string ('k',
300 "key",
301 "KEY",
302 gettext_noop ("the query key"),
303 &query_key),
304
305 GNUNET_GETOPT_option_uint ('t',
306 "type",
307 "TYPE",
308 gettext_noop ("the type of data to look for"),
309 &block_type),
310
311 GNUNET_GETOPT_option_relative_time (
312 'T',
313 "timeout",
314 "TIMEOUT",
315 gettext_noop ("how long should the monitor command run"),
316 &timeout_request),
317
318 GNUNET_GETOPT_option_flag ('V',
319 "verbose",
320 gettext_noop (
321 "be verbose (print progress information)"),
322 &verbose),
323
324 GNUNET_GETOPT_OPTION_END
325 };
326
327
328 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
329 return 2;
330
331 return (GNUNET_OK ==
332 GNUNET_PROGRAM_run (argc,
333 argv,
334 "gnunet-dht-monitor",
335 gettext_noop (
336 "Prints all packets that go through the DHT."),
337 options,
338 &run,
339 NULL))
340 ? ret
341 : 1;
342}
343
344
345/* end of gnunet-dht-monitor.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 18:43:01 +0000