GNUnet  0.10.x
gnunet-dht-put.c
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009, 2017 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 
32 static unsigned int query_type;
33 
38 
42 static char *query_key;
43 
48 
52 static unsigned int replication = 5;
53 
57 static unsigned int verbose;
58 
63 
67 static int record_route;
68 
73 
74 
78 static const struct GNUNET_CONFIGURATION_Handle *cfg;
79 
83 static int ret;
84 
88 static char *data;
89 
90 
91 static void
92 shutdown_task(void *cls)
93 {
94  if (NULL != dht_handle)
95  {
96  GNUNET_DHT_disconnect(dht_handle);
97  dht_handle = NULL;
98  }
99 }
100 
101 
107 static void
109 {
111 }
112 
113 
122 static void
123 run(void *cls,
124  char *const *args,
125  const char *cfgfile,
126  const struct GNUNET_CONFIGURATION_Handle *c)
127 {
128  enum GNUNET_DHT_RouteOption ro;
129 
130  cfg = c;
131  if ((NULL == query_key) || (NULL == data))
132  {
133  fprintf(stderr, "%s", _("Must provide KEY and DATA for DHT put!\n"));
134  ret = 1;
135  return;
136  }
137 
138  if (NULL == (dht_handle = GNUNET_DHT_connect(cfg, 1)))
139  {
140  fprintf(stderr, _("Could not connect to DHT service!\n"));
141  ret = 1;
142  return;
143  }
144  if (GNUNET_BLOCK_TYPE_ANY == query_type) /* Type of data not set */
146 
148 
149  if (verbose)
150  fprintf(stderr,
151  _("Issuing put request for `%s' with data `%s'!\n"),
152  query_key,
153  data);
154  ro = GNUNET_DHT_RO_NONE;
157  if (record_route)
159  GNUNET_DHT_put(dht_handle,
160  &key,
161  replication,
162  ro,
163  query_type,
164  strlen(data),
165  data,
168  NULL);
169 }
170 
178 int
179 main(int argc, char *const *argv)
180 {
181  struct GNUNET_GETOPT_CommandLineOption options[] =
183  "data",
184  "DATA",
185  gettext_noop(
186  "the data to insert under the key"),
187  &data),
189  'e',
190  "expiration",
191  "EXPIRATION",
192  gettext_noop("how long to store this entry in the dht (in seconds)"),
193  &expiration),
195  "key",
196  "KEY",
197  gettext_noop("the query key"),
198  &query_key),
200  "demultiplex",
201  gettext_noop(
202  "use DHT's demultiplex everywhere option"),
205  "replication",
206  "LEVEL",
207  gettext_noop("how many replicas to create"),
208  &replication),
210  "record",
211  gettext_noop("use DHT's record route option"),
212  &record_route),
214  "type",
215  "TYPE",
216  gettext_noop("the type to insert data as"),
217  &query_type),
220 
221 
222  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args(argc, argv, &argc, &argv))
223  return 2;
225  return (GNUNET_OK ==
227  argc,
228  argv,
229  "gnunet-dht-put",
230  gettext_noop(
231  "Issue a PUT request to the GNUnet DHT insert DATA under KEY."),
232  options,
233  &run,
234  NULL))
235  ? ret
236  : 1;
237 }
238 
239 /* end of gnunet-dht-put.c */
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)...
We should keep track of the route that the message took in the P2P network.
static struct GNUNET_DHT_Handle * dht_handle
Handle to the DHT.
#define GNUNET_TIME_UNIT_HOURS
One hour.
static unsigned int query_type
The type of the query.
Any type of block, used as a wildcard when searching.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_verbose(unsigned int *level)
Define the &#39;-V&#39; verbosity option.
int GNUNET_STRINGS_get_utf8_args(int argc, char *const *argv, int *u8argc, char *const **u8argv)
Returns utf-8 encoded arguments.
Definition: strings.c:1439
struct GNUNET_TIME_Absolute GNUNET_TIME_relative_to_absolute(struct GNUNET_TIME_Relative rel)
Convert relative time to an absolute time in the future.
Definition: time.c:246
static char * query_key
The key for the query.
static void message_sent_cont(void *cls)
Signature of the main function of a task.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
Definition of a command line option.
static unsigned int verbose
Be verbose.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
Connection to the DHT service.
Definition: dht_api.c:198
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.
#define _(String)
GNU gettext support macro.
Definition: platform.h:181
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:44
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_now(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run as soon as possible.
Definition: scheduler.c:1264
static unsigned int replication
Desired replication level.
A 512-bit hashcode.
GNUNET_DHT_RouteOption
Options for routing.
static int demultixplex_everywhere
Use #GNUNET_DHT_DEMULTIPLEX_EVERYWHERE.
struct GNUNET_HashCode key
The key used in the DHT.
struct GNUNET_DHT_PutHandle * GNUNET_DHT_put(struct GNUNET_DHT_Handle *handle, const struct GNUNET_HashCode *key, uint32_t desired_replication_level, enum GNUNET_DHT_RouteOption options, enum GNUNET_BLOCK_Type type, size_t size, const void *data, struct GNUNET_TIME_Absolute exp, GNUNET_SCHEDULER_TaskCallback cont, void *cont_cls)
Perform a PUT operation storing data in the DHT.
Definition: dht_api.c:961
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:885
void GNUNET_DHT_disconnect(struct GNUNET_DHT_Handle *handle)
Shutdown connection with the DHT service.
Definition: dht_api.c:913
static void shutdown_task(void *cls)
static int record_route
Use GNUNET_DHT_RO_RECORD_ROUTE.
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 int ret
Global status value.
configuration data
Definition: configuration.c:83
Block for testing.
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.
int 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, parse options).
Definition: program.c:367
static struct GNUNET_TIME_Relative expiration
User supplied expiration value.
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.
static const struct GNUNET_CONFIGURATION_Handle * cfg
Global handle of the configuration.
int main(int argc, char *const *argv)
Entry point for gnunet-dht-put.
Each peer along the way should look at &#39;enc&#39; (otherwise only the k-peers closest to the key should lo...
static char * data
The data to insert into the dht.
Time for relative time used by GNUnet, in microseconds.
#define gettext_noop(String)
Definition: gettext.h:69