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/*
This file is part of GNUnet.
(C) 2006, 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 2, 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 transport_testing.c
* @brief testing lib for transport service
*
* @author Matthias Wachs
*/
#include "transport-testing.h"
struct ConnectingContext
{
struct PeerContext * p1;
struct PeerContext * p2;
GNUNET_SCHEDULER_TaskIdentifier tct;
};
static void
exchange_hello_last (void *cls,
const struct GNUNET_MessageHeader *message)
{
struct ConnectingContext * cc = cls;
struct PeerContext *me = cc->p2;
struct PeerContext *p1 = cc->p1;
GNUNET_assert (message != NULL);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Exchanging HELLO of size %d with peer (%s)!\n",
(int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
GNUNET_i2s (&me->id));
GNUNET_assert (GNUNET_OK ==
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
message, &me->id));
GNUNET_TRANSPORT_offer_hello (p1->th, message, NULL, NULL);
}
static void
exchange_hello (void *cls,
const struct GNUNET_MessageHeader *message)
{
struct ConnectingContext * cc = cls;
struct PeerContext *me = cc->p1;
struct PeerContext *p2 = cc->p2;
GNUNET_assert (message != NULL);
GNUNET_assert (GNUNET_OK ==
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
message, &me->id));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Exchanging HELLO of size %d from peer %s!\n",
(int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
GNUNET_i2s (&me->id));
GNUNET_TRANSPORT_offer_hello (p2->th, message, NULL, NULL);
}
static void
try_connect (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct ConnectingContext * cc = cls;
struct PeerContext *p1 = cc->p1;
struct PeerContext *p2 = cc->p2;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Asking peers to connect...\n");
/* FIXME: 'pX.id' may still be all-zeros here... */
GNUNET_TRANSPORT_try_connect (p2->th,
&p1->id);
GNUNET_TRANSPORT_try_connect (p1->th,
&p2->id);
cc->tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
&try_connect,
cc);
}
struct PeerContext *
GNUNET_TRANSPORT_TESTING_start_peer (const char * cfgname)
{
struct PeerContext * p = GNUNET_malloc (sizeof (struct PeerContext));
p->cfg = GNUNET_CONFIGURATION_create ();
GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
if (NULL != p->servicehome)
GNUNET_DISK_directory_remove (p->servicehome);
p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
"gnunet-service-arm",
"-c", cfgname, NULL);
return p;
}
void
GNUNET_TRANSPORT_TESTING_stop_peer (struct PeerContext * p)
{
if (NULL != p->arm_proc)
{
if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
GNUNET_OS_process_wait (p->arm_proc);
GNUNET_OS_process_close (p->arm_proc);
p->arm_proc = NULL;
}
GNUNET_CONFIGURATION_destroy (p->cfg);
if (p->servicehome != NULL)
{
GNUNET_DISK_directory_remove (p->servicehome);
GNUNET_free(p->servicehome);
}
}
void
GNUNET_TRANSPORT_TESTING_connect_peers (struct PeerContext * p1,
struct PeerContext * p2,
GNUNET_TRANSPORT_TESTING_connect_cb * cb,
void * cls)
{
struct ConnectingContext * cc = GNUNET_malloc (sizeof (struct ConnectingContext));
GNUNET_assert (p1 != NULL);
GNUNET_assert (p1->th != NULL);
GNUNET_assert (p2 != NULL);
GNUNET_assert (p2->th != NULL);
cc->p1 = p1;
cc->p2 = p2;
GNUNET_TRANSPORT_get_hello (p1->th, &exchange_hello, cc);
GNUNET_TRANSPORT_get_hello (p2->th, &exchange_hello_last, cc);
cc->tct = GNUNET_SCHEDULER_add_now (&try_connect, cc);
}
/* end of transport_testing.h */
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