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/*
This file is part of GNUnet.
(C) 2009 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 experimentation/gnunet-daemon-experimentation_capabilities.c
* @brief experimentation daemon: capabilities management
* @author Christian Grothoff
* @author Matthias Wachs
*/
#include "platform.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_util_lib.h"
#include "gnunet_core_service.h"
#include "gnunet_statistics_service.h"
#include "gnunet-daemon-experimentation.h"
uint32_t GSE_node_capabilities;
#define GNUNET_EXPERIMENTATION_capabilities_count 11;
/**
* Capabilities a node has or an experiment requires string
*/
#define GNUNET_EXPERIMENTATION_capabilities_string {"NONE", "PLUGIN_TCP", "PLUGIN_UDP", "PLUGIN_UNIX", "PLUGIN_HTTP_CLIENT", "PLUGIN_HTTP_SERVER", "PLUGIN_HTTPS_CLIENT", "PLUGIN_HTTPS_SERVER", "PLUGIN_WLAN", "HAVE_IPV6", "BEHIND_NAT"}
const char *
GNUNET_EXPERIMENTATION_capability_to_str (uint32_t cap)
{
char * capstr[] = GNUNET_EXPERIMENTATION_capabilities_string;
unsigned index = 0;
uint32_t test = 0;
if (0 == cap)
return capstr[0];
index = (log(cap) / log (2)) + 1;
test = 1 << (index - 1);
if (test != cap)
return "UNDEFINED";
if (index <= 11)
return capstr[index];
else
return "UNDEFINED";
}
/**
* Are the capabilities provided?
*
* @param have bitstring containing the provided capabilities
* @param have bitstring containing the desired capabilities
*/
int
GNUNET_EXPERIMENTATION_capabilities_have (uint32_t have, uint32_t desired)
{
if (desired == (desired & have))
return GNUNET_YES;
else
return GNUNET_NO;
}
/**
* Start the detecting capabilities
*
* @param cfg configuration handle
*/
void
GNUNET_EXPERIMENTATION_capabilities_start ()
{
char *plugins;
char *pos;
unsigned int c1;
uint32_t index;
GSE_node_capabilities = NONE;
/* Plugins configured */
if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (GSE_cfg,
"TRANSPORT", "PLUGINS", &plugins))
{
for (pos = strtok (plugins, " "); pos != NULL; pos = strtok (NULL, " "))
{
if (0 == strcmp (pos, "tcp"))
GSE_node_capabilities |= PLUGIN_TCP;
else if (0 == strcmp (pos, "udp"))
GSE_node_capabilities |= PLUGIN_UDP;
else if (0 == strcmp (pos, "unix"))
GSE_node_capabilities |= PLUGIN_UNIX;
else if (0 == strcmp (pos, "http_client"))
GSE_node_capabilities |= PLUGIN_HTTP_CLIENT;
else if (0 == strcmp (pos, "http_server"))
GSE_node_capabilities |= PLUGIN_HTTP_SERVER;
else if (0 == strcmp (pos, "https_client"))
GSE_node_capabilities |= PLUGIN_HTTP_CLIENT;
else if (0 == strcmp (pos, "https_server"))
GSE_node_capabilities |= PLUGIN_HTTPS_SERVER;
else if (0 == strcmp (pos, "wlan"))
GSE_node_capabilities |= PLUGIN_WLAN;
}
GNUNET_free (plugins);
}
/* IPv6 enabled
* FIXE: just having it not enabled is not really sufficient */
if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_yesno (GSE_cfg,
"NAT", "DISABLEV6"))
GSE_node_capabilities |= HAVE_IPV6;
/* Behind NAT */
if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno (GSE_cfg,
"NAT", "BEHIND_NAT"))
GSE_node_capabilities |= BEHIND_NAT;
for (c1 = 0 ; c1 < 32; c1++)
{
index = 1;
index = index << c1;
if (GNUNET_YES == GNUNET_EXPERIMENTATION_capabilities_have (GSE_node_capabilities, index))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "We have `%s'\n",
GNUNET_EXPERIMENTATION_capability_to_str(index));
}
}
}
/**
* Stop the detecting capabilities
*/
void
GNUNET_EXPERIMENTATION_capabilities_stop ()
{
}
/* end of gnunet-daemon-experimentation_capabilities.c */
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