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/*
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/mesh_common.c
* @brief MESH helper functions
* @author Bartlomiej Polot
*/
#include "mesh.h"
/**
* @brief Translate a fwd variable into a string representation, for logging.
*
* @param fwd Is FWD? (#GNUNET_YES or #GNUNET_NO)
*
* @return String representing FWD or BCK.
*/
char *
GM_f2s (int fwd)
{
if (GNUNET_YES == fwd)
{
return "FWD";
}
else if (GNUNET_NO == fwd)
{
return "BCK";
}
else
{
GNUNET_break (0);
return "";
}
}
int
GM_is_pid_bigger (uint32_t bigger, uint32_t smaller)
{
return (GNUNET_YES == PID_OVERFLOW (smaller, bigger) ||
(bigger > smaller && GNUNET_NO == PID_OVERFLOW (bigger, smaller)));
}
uint32_t
GM_max_pid (uint32_t a, uint32_t b)
{
if (GM_is_pid_bigger(a, b))
return a;
return b;
}
uint32_t
GM_min_pid (uint32_t a, uint32_t b)
{
if (GM_is_pid_bigger(a, b))
return b;
return a;
}
#if !defined(GNUNET_CULL_LOGGING)
const char *
GM_m2s (uint16_t m)
{
static char buf[32];
switch (m)
{
/**
* Request the creation of a path
*/
case 256: return "GNUNET_MESSAGE_TYPE_MESH_CONNECTION_CREATE";
/**
* Request the modification of an existing path
*/
case 257: return "GNUNET_MESSAGE_TYPE_MESH_CONNECTION_ACK";
/**
* Notify that a connection of a path is no longer valid
*/
case 258: return "GNUNET_MESSAGE_TYPE_MESH_CONNECTION_BROKEN";
/**
* At some point, the route will spontaneously change
*/
case 259: return "GNUNET_MESSAGE_TYPE_MESH_PATH_CHANGED";
/**
* Transport payload data.
*/
case 260: return "GNUNET_MESSAGE_TYPE_MESH_DATA";
/**
* Confirm receipt of payload data.
*/
case 261: return "GNUNET_MESSAGE_TYPE_MESH_DATA_ACK";
/**
* Key exchange encapsulation.
*/
case 262: return "GNUNET_MESSAGE_TYPE_MESH_KX";
/**
* New ephemeral key.
*/
case 263: return "GNUNET_MESSAGE_TYPE_MESH_KX_EPHEMERAL";
/**
* Challenge to test peer's session key.
*/
case 264: return "GNUNET_MESSAGE_TYPE_MESH_KX_PING";
/**
* Answer to session key challenge.
*/
case 265: return "GNUNET_MESSAGE_TYPE_MESH_KX_PONG";
/**
* Request the destuction of a path
*/
case 266: return "GNUNET_MESSAGE_TYPE_MESH_CONNECTION_DESTROY";
/**
* ACK for a data packet.
*/
case 268: return "GNUNET_MESSAGE_TYPE_MESH_ACK";
/**
* POLL for ACK.
*/
case 269: return "GNUNET_MESSAGE_TYPE_MESH_POLL";
/**
* Announce origin is still alive.
*/
case 270: return "GNUNET_MESSAGE_TYPE_MESH_KEEPALIVE";
/**
* Connect to the mesh service, specifying subscriptions
*/
case 272: return "GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT";
/**
* Ask the mesh service to create a new tunnel
*/
case 273: return "GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE";
/**
* Ask the mesh service to destroy a tunnel
*/
case 274: return "GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY";
/**
* Confirm the creation of a channel.
*/
case 275: return "GNUNET_MESSAGE_TYPE_MESH_CHANNEL_ACK";
/**
* Confirm the creation of a channel.
*/
case 276: return "GNUNET_MESSAGE_TYPE_MESH_CHANNEL_NACK";
/**
* Encrypted payload.
*/
case 280: return "GNUNET_MESSAGE_TYPE_MESH_ENCRYPTED";
/**
* Local payload traffic
*/
case 285: return "GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA";
/**
* Local ACK for data.
*/
case 286: return "GNUNET_MESSAGE_TYPE_MESH_LOCAL_ACK";
/**
* Local monitoring of service.
*/
case 287: return "GNUNET_MESSAGE_TYPE_MESH_LOCAL_NACK";
/**
* 640kb should be enough for everybody
*/
case 299: return "GNUNET_MESSAGE_TYPE_MESH_RESERVE_END";
}
sprintf(buf, "%u (UNKNOWN TYPE)", m);
return buf;
}
#else
const char *
GM_m2s (uint16_t m)
{
return "";
}
#endif
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