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/*
This file is part of GNUnet.
Copyright (C) 2010-2015 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file ats/test_ats2_lib.c
* @brief test ATS library with a generic interpreter for running ATS tests
* @author Julius Bünger
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_ats_application_service.h"
#include "gnunet_ats_transport_service.h"
#include "gnunet_testing_lib.h"
/**
* @brief Indicates the success of the whole test
*/
static int ret;
/**
* @brief The time available until the test shuts down
*/
static struct GNUNET_TIME_Relative timeout;
/**
* @brief ATS Application Handle
*
* Handle to the application-side of ATS.
*/
static struct GNUNET_ATS_ApplicationHandle *ah;
/**
* @brief ATS Transport Handle
*
* Handle to the transport-side of ATS.
*/
static struct GNUNET_ATS_TransportHandle *th;
/**
* @brief Another (dummy) peer.
*
* Used as the peer ATS shall allocate bandwidth to.
*/
static struct GNUNET_PeerIdentity other_peer;
/**
* @brief Handle to the session record
*/
static struct GNUNET_ATS_SessionRecord *sr;
/**
* @brief Called whenever allocation changed
*
* Implements #GNUNET_ATS_AllocationCallback
*
* @param cls
* @param session
* @param bandwidth_out
* @param bandwidth_in
*
* @return
*/
static void
allocation_cb (void *cls,
struct GNUNET_ATS_Session *session,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"allocation_cb() called\n");
}
/**
* @brief Called whenever suggestion is made
*
* Implements #GNUNET_ATS_SuggestionCallback
*
* @param cls
* @param pid
* @param address
*/
static void
suggestion_cb (void *cls,
const struct GNUNET_PeerIdentity *pid,
const char *address)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"suggestion_cb() called\n");
ret = 0;
}
/**
* @brief Initialise both 'sides' of ATS
*
* Initialises the application and transportation side of ATS.
*/
static void
init_both (const struct GNUNET_CONFIGURATION_Handle *cfg)
{
ah = GNUNET_ATS_application_init (cfg);
GNUNET_assert (NULL != ah);
th = GNUNET_ATS_transport_init (cfg,
&allocation_cb,
NULL,
&suggestion_cb,
NULL);
GNUNET_assert (NULL != ah);
}
/**
* @brief Disconnect both 'sides' of ATS
*/
static void
finish_both (void)
{
GNUNET_ATS_application_done (ah);
ah = NULL;
GNUNET_ATS_transport_done (th);
th = NULL;
}
/**
* @brief Provide information about the start of an imaginary connection
*/
static void
provide_info_start (void)
{
struct GNUNET_ATS_Properties prop =
{
.delay = GNUNET_TIME_UNIT_FOREVER_REL,
.goodput_out = 1048576,
.goodput_in = 1048576,
.utilization_out = 0,
.utilization_in = 0,
.distance = 0,
.mtu = UINT32_MAX,
.nt = GNUNET_NT_UNSPECIFIED,
.cc = GNUNET_TRANSPORT_CC_UNKNOWN,
};
sr = GNUNET_ATS_session_add (th,
&other_peer,
"test-address",
NULL,
&prop);
GNUNET_assert (NULL != sr);
}
/**
* @brief Provide information about the end of an imaginary connection
*/
static void
provide_info_end (void)
{
GNUNET_ATS_session_del (sr);
}
/**
* @brief Inform ATS about the need of a connection towards a peer
*/
static void
get_suggestion (void)
{
struct GNUNET_ATS_ApplicationSuggestHandle *ash;
ash = GNUNET_ATS_application_suggest (ah,
&other_peer,
GNUNET_MQ_PREFERENCE_NONE,
GNUNET_BANDWIDTH_VALUE_MAX);
GNUNET_assert (NULL != ash);
}
static void
on_shutdown (void *cls)
{
provide_info_end ();
finish_both ();
GNUNET_SCHEDULER_shutdown ();
}
/**
* Function run once the ATS service has been started.
*
* @param cls NULL
* @param cfg configuration for the testcase
* @param peer handle to the peer
*/
static void
run (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TESTING_Peer *peer)
{
init_both (cfg);
provide_info_start ();
get_suggestion ();
(void) GNUNET_SCHEDULER_add_delayed (timeout,
&on_shutdown,
NULL);
}
/**
* @brief Starts the gnunet-testing peer
*
* @param argc
* @param argv[]
*
* @return
*/
int
main (int argc,
char *argv[])
{
ret = 1;
memset (&other_peer, 0, sizeof (struct GNUNET_PeerIdentity));
timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
2);
if (0 != GNUNET_TESTING_peer_run ("test-ats2-lib",
"test_ats2_lib.conf",
&run, NULL))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Running the testing peer failed.\n");
return 1;
}
if (0 != ret)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Global status indicates unsuccessful testrun - probably allocation_cb was not called.\n");
ret = 77; // SKIP test, test not yet right!
}
return ret;
}
/* end of test_ats2_lib.c */
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