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+/*
+ This file is part of GNUnet.
+ (C) 2011, 2012 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-core.c
+ * @brief Print information about other known _connected_ peers.
+ * @author Nathan Evans
+ */
+#include "platform.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_configuration_lib.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_peerinfo_service.h"
+#include "gnunet_transport_service.h"
+#include "gnunet_core_service.h"
+#include "gnunet_program_lib.h"
+
+
+/**
+ * Callback for retrieving a list of connected peers.
+ *
+ * @param cls closure (unused)
+ * @param peer peer identity this notification is about
+ * @param atsi performance data for the connection
+ * @param atsi_count number of records in 'atsi'
+ */
+static void
+connected_peer_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_ATS_Information *atsi,
+ unsigned int atsi_count)
+{
+ struct GNUNET_CRYPTO_HashAsciiEncoded enc;
+
+ if (NULL == peer)
+ return;
+ GNUNET_CRYPTO_hash_to_enc (&peer->hashPubKey, &enc);
+ printf (_("Peer `%s'\n"), (const char *) &enc);
+}
+
+
+/**
+ * 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 cfg configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ if (args[0] != NULL)
+ {
+ FPRINTF (stderr, _("Invalid command line argument `%s'\n"), args[0]);
+ return;
+ }
+ GNUNET_CORE_iterate_peers (cfg, &connected_peer_callback, 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[] = {
+ GNUNET_GETOPT_OPTION_END
+ };
+ return (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-core",
+ gettext_noop
+ ("Print information about connected peers."),
+ options, &run, NULL)) ? 0 : 1;
+}
+
+/* end of gnunet-core.c */