2 This file is part of GNUnet.
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file mesh/gnunet-mesh.c
23 * @brief Print information about mesh tunnels and peers.
24 * @author Bartlomiej Polot
27 #include "gnunet_configuration_lib.h"
28 #include "gnunet_getopt_lib.h"
29 #include "gnunet_mesh_service.h"
30 #include "gnunet_program_lib.h"
36 static int monitor_connections;
42 static struct GNUNET_MESH_Handle *mh;
46 * Task run in monitor mode when the user presses CTRL-C to abort.
47 * Stops monitoring activity.
49 * @param cls Closure (unused).
50 * @param tc scheduler context
53 shutdown_task (void *cls,
54 const struct GNUNET_SCHEDULER_TaskContext *tc)
58 GNUNET_MESH_disconnect (mh);
65 * Method called to retrieve information about each tunnel the mesh peer
68 * @param cls Closure (unused).
69 * @param initiator Peer that started the tunnel (owner).
70 * @param tunnel_number Tunnel number.
71 * @param peer Array of peer identities that participate in the tunnel.
72 * @param npeers Number of peers in peers.
75 monitor_callback (void *cls,
76 const struct GNUNET_PeerIdentity *initiator,
77 unsigned int tunnel_number,
78 const struct GNUNET_PeerIdentity *peers,
83 fprintf (stdout, "Tunnel %s [%u]: %u peers\n",
84 GNUNET_i2s (initiator), tunnel_number, npeers);
85 for (i = 0; i < npeers; i++)
86 fprintf (stdout, " * %s\n", GNUNET_i2s (&peers[i]));
87 fprintf (stdout, "\n");
92 * Call MESH's monitor API, start monitoring process
94 * @param cls Closure (unused).
95 * @param tc TaskContext
98 monitor (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
100 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
104 GNUNET_MESH_monitor (mh, &monitor_callback, NULL);
105 if (GNUNET_YES == monitor_connections)
113 * Main function that will be run by the scheduler.
116 * @param args remaining command-line arguments
117 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
118 * @param cfg configuration
121 run (void *cls, char *const *args, const char *cfgfile,
122 const struct GNUNET_CONFIGURATION_Handle *cfg)
124 static const struct GNUNET_MESH_MessageHandler handlers[] = {
125 {NULL, 0, 0} /* FIXME add option to monitor msg types */
127 GNUNET_MESH_ApplicationType apps = 0; /* FIXME add option to monitor apps */
131 FPRINTF (stderr, _("Invalid command line argument `%s'\n"), args[0]);
134 mh = GNUNET_MESH_connect (cfg,
141 GNUNET_SCHEDULER_add_now (shutdown_task, NULL);
143 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
144 shutdown_task, NULL);
145 GNUNET_SCHEDULER_add_now (&monitor, NULL);
150 * The main function to obtain peer information.
152 * @param argc number of arguments from the command line
153 * @param argv command line arguments
154 * @return 0 ok, 1 on error
157 main (int argc, char *const *argv)
160 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
161 {'m', "monitor", NULL,
162 gettext_noop ("provide inthe 'struct GNUNET_TRANSPORT_PeerIterateContextformation about all tunnels (continuously)"),
163 0, &GNUNET_GETOPT_set_one, &monitor_connections},
164 GNUNET_GETOPT_OPTION_END
167 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
171 res = GNUNET_PROGRAM_run (argc, argv, "gnunet-mesh",
173 ("Print information about mesh tunnels and peers."),
174 options, &run, NULL);
176 GNUNET_free ((void *) argv);
178 if (GNUNET_OK == res)
184 /* end of gnunet-mesh.c */