aboutsummaryrefslogtreecommitdiff
path: root/src/transport/gnunet-transport-list-connections.c
blob: 39950467d98238be63682fbfa7b49da5ccee7007 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/*
     This file is part of GNUnet.
     (C) 2011 Christian Grothoff (and other contributing authors)

     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 3, or (at your
     option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.

     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.
*/

/**
 * @file core/gnunet-transport-list-connections.c
 *
 * @brief Print all known address information about other peers.
 *
 * Lists all peers and connections that the transport service is
 * aware of.  Pretty prints addresses, peer id's, and whether
 * or not the _address_ is connected.  Note that these are not
 * core level connections, only transport level connections.
 *
 * @author Nathan Evans
 */
#include "platform.h"
#include "gnunet_crypto_lib.h"
#include "gnunet_configuration_lib.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_transport_service.h"
#include "gnunet_program_lib.h"

#define VERBOSE 0
static int no_resolve;

#if VERBOSE
  static unsigned int connection_count;
#endif

static const struct GNUNET_CONFIGURATION_Handle *cfg;

/**
 * Function to call with a human-readable format of an address
 *
 * @param cls closure
 * @param address NULL on error, otherwise 0-terminated printable UTF-8 string
 */
static void
process_address (void *cls,
                          const char *address)
{
#if VERBOSE
  connection_count++;
#endif
  if (address != NULL)
    fprintf(stdout, "%s\n", address);
}


/**
 * Main function that will be run by the scheduler.
 *
 * @param cls closure
 * @param args remaining command-line arguments
 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
 * @param c configuration
 */
static void
run (void *cls,
     char *const *args,
     const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *c)
{

  cfg = c;
  if (args[0] != NULL)
    {
      fprintf (stderr,
               _("Invalid command line argument `%s'\n"),
               args[0]);
      return;
    }

  GNUNET_TRANSPORT_address_iterate (cfg,
                                    GNUNET_TIME_UNIT_MINUTES,
                                    &process_address, NULL);
}


/**
 * The main function to obtain peer information.
 *
 * @param argc number of arguments from the command line
 * @param argv command line arguments
 * @return 0 ok, 1 on error
 */
int
main (int argc, char *const *argv)
{
  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
    {'n', "numeric", NULL,
     gettext_noop ("don't resolve host names"),
     0, &GNUNET_GETOPT_set_one, &no_resolve},
    GNUNET_GETOPT_OPTION_END
  };
  return (GNUNET_OK ==
          GNUNET_PROGRAM_run (argc,
                              argv,
                              "gnunet-list-connections",
                              gettext_noop ("Print information about connected peers."),
                              options, &run, NULL)) ? 0 : 1;
}

/* end of gnunet-transport-list-connections.c */