GNUnet 0.21.2
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 */
26#include "platform.h"
27#include "gnunet_dht_service.h"
28
32static unsigned int block_type;
33
37static char *query_key;
38
42static struct GNUNET_TIME_Relative timeout_request = { 60000 };
43
47static int verbose;
48
53
57static const struct GNUNET_CONFIGURATION_Handle *cfg;
58
63
67static unsigned int result_count;
68
72static int ret;
73
78
79
85static void
86cleanup_task (void *cls)
87{
88 if (verbose)
89 fprintf (stderr, "%s", "Cleaning up!\n");
90 if (NULL != monitor_handle)
91 {
93 monitor_handle = NULL;
94 }
95 if (NULL != dht_handle)
96 {
98 dht_handle = NULL;
99 }
100 if (NULL != tt)
101 {
103 tt = NULL;
104 }
105}
106
107
113static void
114timeout_task (void *cls)
115{
116 tt = NULL;
118}
119
120
131static void
132get_callback (void *cls,
135 uint32_t hop_count,
136 uint32_t desired_replication_level,
137 const struct GNUNET_HashCode *key)
138{
139 fprintf (stdout,
140 "GET #%u: type %d, key `%s'\n",
142 (int) type,
144 result_count++;
145}
146
147
163static void
166 const struct GNUNET_PeerIdentity *trunc_peer,
167 const struct GNUNET_DHT_PathElement *get_path,
168 unsigned int get_path_length,
169 const struct GNUNET_DHT_PathElement *put_path,
170 unsigned int put_path_length,
171 struct GNUNET_TIME_Absolute exp,
172 const struct GNUNET_HashCode *key,
173 const void *data,
174 size_t size)
175{
176 fprintf (stdout,
178 ? "RESPONSE #%u (%s): type %d, key `%s', data `%.*s'\n"
179 : "RESPONSE #%u (%s): type %d, key `%s'\n",
182 (int) type,
184 (unsigned int) size,
185 (char *) data);
186 result_count++;
187}
188
189
206static void
207put_callback (void *cls,
210 uint32_t hop_count,
211 uint32_t desired_replication_level,
212 const struct GNUNET_PeerIdentity *trunc_peer,
213 unsigned int path_length,
214 const struct GNUNET_DHT_PathElement *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,
222 ? "PUT %u (%s): type %d, key `%s', data `%.*s'\n"
223 : "PUT %u (%s): type %d, key `%s'\n",
226 (int) type,
228 (unsigned int) size,
229 (char *) data);
230 result_count++;
231}
232
233
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 */
261 if (NULL != query_key)
262 {
263 key = &hc;
266 }
267 else
268 {
269 key = NULL;
270 }
271 if (verbose)
272 fprintf (stderr,
273 "Monitoring for %s\n",
275 GNUNET_NO));
280 key,
284 NULL);
285}
286
287
295int
296main (int argc, char *const *argv)
297{
300 "key",
301 "KEY",
302 gettext_noop ("the query key"),
303 &query_key),
304
306 "type",
307 "TYPE",
308 gettext_noop ("the type of data to look for"),
309 &block_type),
310
312 'T',
313 "timeout",
314 "TIMEOUT",
315 gettext_noop ("how long should the monitor command run"),
317
319 "verbose",
321 "be verbose (print progress information)"),
322 &verbose),
323
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",
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 */
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define gettext_noop(String)
Definition: gettext.h:70
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, const struct GNUNET_PeerIdentity *trunc_peer, unsigned int path_length, const struct GNUNET_DHT_PathElement *path, struct GNUNET_TIME_Absolute exp, const struct GNUNET_HashCode *key, const void *data, size_t size)
Callback called on each PUT request going through the DHT.
static int verbose
Be verbose.
static struct GNUNET_TIME_Relative timeout_request
User supplied timeout value (in seconds)
static void timeout_task(void *cls)
We hit a timeout.
static unsigned int result_count
Count of messages received.
static const struct GNUNET_CONFIGURATION_Handle * cfg
Global handle of the configuration.
static void cleanup_task(void *cls)
Stop monitoring request and start shutdown.
static int ret
Global status value.
static char * query_key
The key to be monitored.
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, const struct GNUNET_HashCode *key)
Callback called on each GET request going through the DHT.
static unsigned int block_type
The type of the query.
static struct GNUNET_DHT_Handle * dht_handle
Handle to the DHT.
static struct GNUNET_SCHEDULER_Task * tt
Task scheduled to handle timeout.
static void get_resp_callback(void *cls, enum GNUNET_BLOCK_Type type, const struct GNUNET_PeerIdentity *trunc_peer, const struct GNUNET_DHT_PathElement *get_path, unsigned int get_path_length, const struct GNUNET_DHT_PathElement *put_path, unsigned int put_path_length, struct GNUNET_TIME_Absolute exp, const struct GNUNET_HashCode *key, const void *data, size_t size)
Callback called on each GET reply going through the DHT.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
Main function that will be run by the scheduler.
static struct GNUNET_DHT_MonitorHandle * monitor_handle
Handle for the get request.
int main(int argc, char *const *argv)
Entry point for gnunet-dht-monitor.
static char * data
The data to insert into the dht.
struct GNUNET_HashCode key
The key used in the DHT.
static uint32_t type
Type string converted to DNS type value.
API to the DHT service.
GNUNET_DHT_RouteOption
Options for routing.
struct GNUNET_DHT_Handle * GNUNET_DHT_connect(const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned int ht_len)
Initialize the connection with the DHT service.
Definition: dht_api.c:1037
struct GNUNET_DHT_MonitorHandle * GNUNET_DHT_monitor_start(struct GNUNET_DHT_Handle *handle, enum GNUNET_BLOCK_Type type, const struct GNUNET_HashCode *key, GNUNET_DHT_MonitorGetCB get_cb, GNUNET_DHT_MonitorGetRespCB get_resp_cb, GNUNET_DHT_MonitorPutCB put_cb, void *cb_cls)
Start monitoring the local DHT service.
Definition: dht_api.c:1268
void GNUNET_DHT_disconnect(struct GNUNET_DHT_Handle *handle)
Shutdown connection with the DHT service.
Definition: dht_api.c:1060
void GNUNET_DHT_monitor_stop(struct GNUNET_DHT_MonitorHandle *handle)
Stop monitoring.
Definition: dht_api.c:1300
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_uint(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned int *val)
Allow user to specify an unsigned int.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_relative_time(char shortName, const char *name, const char *argumentHelp, const char *description, struct GNUNET_TIME_Relative *val)
Allow user to specify a struct GNUNET_TIME_Relative (using human-readable "fancy" time).
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_string(char shortName, const char *name, const char *argumentHelp, const char *description, char **str)
Allow user to specify a string.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:41
#define GNUNET_CRYPTO_hash_from_string(enc, result)
Convert ASCII encoding back to struct GNUNET_HashCode
@ GNUNET_OK
@ GNUNET_NO
const char * GNUNET_h2s_full(const struct GNUNET_HashCode *hc)
Convert a hash value to a string (for printing debug messages).
enum GNUNET_GenericReturnValue GNUNET_PROGRAM_run(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls)
Run a standard GNUnet command startup sequence (initialize loggers and configuration,...
Definition: program.c:400
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:567
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received,...
Definition: scheduler.c:1340
void * GNUNET_SCHEDULER_cancel(struct GNUNET_SCHEDULER_Task *task)
Cancel the task with the specified identifier.
Definition: scheduler.c:981
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_delayed(struct GNUNET_TIME_Relative delay, GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run with a specified delay.
Definition: scheduler.c:1278
enum GNUNET_GenericReturnValue GNUNET_STRINGS_get_utf8_args(int argc, char *const *argv, int *u8argc, char *const **u8argv)
Returns utf-8 encoded arguments.
Definition: strings.c:1230
const char * GNUNET_STRINGS_relative_time_to_string(struct GNUNET_TIME_Relative delta, int do_round)
Give relative time in human-readable fancy format.
Definition: strings.c:570
const char * GNUNET_STRINGS_absolute_time_to_string(struct GNUNET_TIME_Absolute t)
Like asctime, except for GNUnet time.
Definition: strings.c:617
static unsigned int size
Size of the "table".
Definition: peer.c:68
#define _(String)
GNU gettext support macro.
Definition: platform.h:178
GNUNET_BLOCK_Type
WARNING: This header is generated! In order to add DHT block types, you must register them in GANA,...
@ GNUNET_BLOCK_TYPE_TEST
Block for testing.
@ GNUNET_BLOCK_TYPE_ANY
Identifier for any block.
Connection to the DHT service.
Definition: dht_api.c:235
Handle to a monitoring request.
Definition: dht_api.c:149
A (signed) path tracking a block's flow through the DHT is represented by an array of path elements,...
Definition of a command line option.
A 512-bit hashcode.
The identity of the host (wraps the signing key of the peer).
Entry in list of pending tasks.
Definition: scheduler.c:136
Time for absolute times used by GNUnet, in microseconds.
Time for relative time used by GNUnet, in microseconds.