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/*
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 transport/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 struct GNUNET_PeerIdentity *peer,
const char *transport, const void *addr, size_t addrlen)
{
#if VERBOSE
connection_count++;
#endif
if ((peer != NULL) || (transport != NULL) ||
((addr != NULL) && (addrlen > 0)))
fprintf (stdout, "Peer `%s' plugin: `%s' address `%s'\n",
(peer != NULL) ? GNUNET_i2s (peer) : "<unknown>",
(transport != NULL) ? transport : "<unknown>", ((addr != NULL) &&
(addrlen > 0) &&
(transport !=
NULL)) ?
"how do i resolve the name without transport service?" :
"<unknown>");
}
/**
* 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 */
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