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;
41 static char *tunnel_id;
46 static struct GNUNET_MESH_Handle *mh;
49 * Shutdown task handle.
51 GNUNET_SCHEDULER_TaskIdentifier sd;
54 * Task run in monitor mode when the user presses CTRL-C to abort.
55 * Stops monitoring activity.
57 * @param cls Closure (unused).
58 * @param tc scheduler context
61 shutdown_task (void *cls,
62 const struct GNUNET_SCHEDULER_TaskContext *tc)
66 GNUNET_MESH_disconnect (mh);
73 * Method called to retrieve information about each tunnel the mesh peer
76 * @param cls Closure (unused).
77 * @param initiator Peer that started the tunnel (owner).
78 * @param tunnel_number Tunnel number.
79 * @param peers Array of peer identities that participate in the tunnel.
80 * @param npeers Number of peers in peers.
83 tunnels_callback (void *cls,
84 const struct GNUNET_PeerIdentity *initiator,
85 unsigned int tunnel_number,
86 const struct GNUNET_PeerIdentity *peers,
91 fprintf (stdout, "Tunnel %s [%u]: %u peers\n",
92 GNUNET_i2s_full (initiator), tunnel_number, npeers);
93 for (i = 0; i < npeers; i++)
94 fprintf (stdout, " * %s\n", GNUNET_i2s_full (&peers[i]));
95 fprintf (stdout, "\n");
100 * Method called to retrieve information about each tunnel the mesh peer
103 * @param cls Closure.
104 * @param peer Peer in the tunnel's tree.
105 * @param parent Parent of the current peer. All 0 when peer is root.
109 tunnel_callback (void *cls,
110 const struct GNUNET_PeerIdentity *peer,
111 const struct GNUNET_PeerIdentity *parent)
117 * Call MESH's monitor API, get all tunnels known to peer.
119 * @param cls Closure (unused).
120 * @param tc TaskContext
123 get_tunnels (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
125 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
129 GNUNET_MESH_get_tunnels (mh, &tunnels_callback, NULL);
130 if (GNUNET_YES != monitor_connections)
132 GNUNET_SCHEDULER_shutdown();
137 * Call MESH's monitor API, get info of one tunnel.
139 * @param cls Closure (unused).
140 * @param tc TaskContext
143 show_tunnel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
145 struct GNUNET_PeerIdentity pid;
148 GNUNET_CRYPTO_hash_from_string (tunnel_id, &pid.hashPubKey))
150 GNUNET_SCHEDULER_shutdown();
153 GNUNET_MESH_show_tunnel (mh, &pid, 0, tunnel_callback, NULL);
158 * Main function that will be run by the scheduler.
161 * @param args remaining command-line arguments
162 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
163 * @param cfg configuration
166 run (void *cls, char *const *args, const char *cfgfile,
167 const struct GNUNET_CONFIGURATION_Handle *cfg)
169 static const struct GNUNET_MESH_MessageHandler handlers[] = {
170 {NULL, 0, 0} /* FIXME add option to monitor msg types */
172 GNUNET_MESH_ApplicationType apps = 0; /* FIXME add option to monitor apps */
176 FPRINTF (stderr, _("Invalid command line argument `%s'\n"), args[0]);
179 mh = GNUNET_MESH_connect (cfg,
186 GNUNET_SCHEDULER_add_now (shutdown_task, NULL);
188 sd = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
189 shutdown_task, NULL);
191 if (NULL != tunnel_id)
192 GNUNET_SCHEDULER_add_now (&show_tunnel, NULL);
194 GNUNET_SCHEDULER_add_now (&get_tunnels, NULL);
199 * The main function to obtain peer information.
201 * @param argc number of arguments from the command line
202 * @param argv command line arguments
203 * @return 0 ok, 1 on error
206 main (int argc, char *const *argv)
209 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
210 {'m', "monitor", NULL,
211 gettext_noop ("provide information about all tunnels (continuously) NOT IMPLEMENTED"), /* FIXME */
212 GNUNET_NO, &GNUNET_GETOPT_set_one, &monitor_connections},
213 {'t', "tunnel", "OWNER_ID:TUNNEL_ID",
214 gettext_noop ("provide information about a particular tunnel"),
215 GNUNET_YES, &GNUNET_GETOPT_set_string, &tunnel_id},
216 GNUNET_GETOPT_OPTION_END
219 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
222 res = GNUNET_PROGRAM_run (argc, argv, "gnunet-mesh",
224 ("Print information about mesh tunnels and peers."),
225 options, &run, NULL);
227 GNUNET_free ((void *) argv);
229 if (GNUNET_OK == res)
235 /* end of gnunet-mesh.c */