[GNUnet-SVN] r25036 - gnunet/src/mesh

[gnunet]

Author: bartpolot
Date: 2012-11-18 17:04:51 +0100 (Sun, 18 Nov 2012)
New Revision: 25036

Added:
   gnunet/src/mesh/gnunet-mesh.c
Log:
- oops


Added: gnunet/src/mesh/gnunet-mesh.c
===================================================================
--- gnunet/src/mesh/gnunet-mesh.c                               (rev 0)
+++ gnunet/src/mesh/gnunet-mesh.c       2012-11-18 16:04:51 UTC (rev 25036)
@@ -0,0 +1,184 @@
+/*
+     This file is part of GNUnet.
+     (C) 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 mesh/gnunet-mesh.c
+ * @brief Print information about mesh tunnels and peers.
+ * @author Bartlomiej Polot
+ */
+#include "platform.h"
+#include "gnunet_configuration_lib.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_mesh_service.h"
+#include "gnunet_program_lib.h"
+
+
+/**
+ * Option -m.
+ */
+static int monitor_connections;
+
+
+/**
+ * Mesh handle.
+ */
+static struct GNUNET_MESH_Handle *mh;
+
+
+/**
+ * Task run in monitor mode when the user presses CTRL-C to abort.
+ * Stops monitoring activity.
+ *
+ * @param cls Closure (unused).
+ * @param tc scheduler context
+ */
+static void
+shutdown_task (void *cls,
+               const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (NULL != mh)
+  {
+    GNUNET_MESH_disconnect (mh);
+        mh = NULL;
+  }
+}
+
+
+/**
+ * Method called to retrieve information about each tunnel the mesh peer
+ * is aware of.
+ *
+ * @param cls Closure (unused).
+ * @param initiator Peer that started the tunnel (owner).
+ * @param tunnel_number Tunnel number.
+ * @param peer Array of peer identities that participate in the tunnel.
+ * @param npeers Number of peers in peers.
+ */
+static void
+monitor_callback (void *cls,
+                 const struct GNUNET_PeerIdentity *initiator,
+                 unsigned int tunnel_number,
+                 const struct GNUNET_PeerIdentity *peers,
+                 unsigned int npeers)
+{
+  unsigned int i;
+
+  fprintf (stdout, "Tunnel %s [%u]: %u peers\n",
+           GNUNET_i2s (initiator), tunnel_number, npeers);
+  for (i = 0; i < npeers; i++)
+    fprintf (stdout, " * %s\n", GNUNET_i2s (&peers[i]));
+  fprintf (stdout, "\n");
+}
+
+
+/**
+ * Call MESH's monitor API, start monitoring process
+ *
+ * @param cls Closure (unused).
+ * @param tc TaskContext
+ */
+static void
+monitor (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+  {
+    return;
+  }
+  GNUNET_MESH_monitor (mh, &monitor_callback, NULL);
+  if (GNUNET_YES == monitor_connections)
+  {
+    /* keep open */
+  }
+}
+
+
+/**
+ * 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)
+{
+  static const struct GNUNET_MESH_MessageHandler handlers[] = {
+    {NULL, 0, 0} /* FIXME add option to monitor msg types */
+  };
+  GNUNET_MESH_ApplicationType apps = 0; /* FIXME add option to monitor apps */
+
+  if (args[0] != NULL)
+  {
+    FPRINTF (stderr, _("Invalid command line argument `%s'\n"), args[0]);
+    return;
+  }
+  mh = GNUNET_MESH_connect (cfg,
+                            NULL, /* cls */
+                            NULL, /* nt */
+                            NULL, /* cleaner */
+                            handlers,
+                            &apps);
+  if (NULL == mh)
+    GNUNET_SCHEDULER_add_now (shutdown_task, NULL);
+  else
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                  shutdown_task, NULL);
+  GNUNET_SCHEDULER_add_now (&monitor, 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)
+{
+  int res;
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    {'m', "monitor", NULL,
+    gettext_noop ("provide inthe 'struct 
GNUNET_TRANSPORT_PeerIterateContextformation about all tunnels (continuously)"),
+     0, &GNUNET_GETOPT_set_one, &monitor_connections},
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+
+
+  res = GNUNET_PROGRAM_run (argc, argv, "gnunet-mesh",
+                      gettext_noop
+                      ("Print information about mesh tunnels and peers."),
+                      options, &run, NULL);
+
+  GNUNET_free ((void *) argv);
+
+  if (GNUNET_OK == res)
+    return 0;
+  else
+    return 1;
+}
+
+/* end of gnunet-mesh.c */