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/*
This file is part of GNUnet
(C) 2010 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 hostlist/test_gnunet_daemon_hostlist_reconnect.c
* @brief test for gnunet_daemon_hostslist.c; tries to re-start the peers
* and connect a second time
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_arm_service.h"
#include "gnunet_transport_service.h"
/**
* How long until we give up on transmitting the message?
*/
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 150)
static int ok;
static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
struct PeerContext
{
struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_TRANSPORT_Handle *th;
struct GNUNET_MessageHeader *hello;
struct GNUNET_TRANSPORT_GetHelloHandle *ghh;
struct GNUNET_OS_Process *arm_proc;
};
static struct PeerContext p1;
static struct PeerContext p2;
static void
clean_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (NULL != p1.ghh)
{
GNUNET_TRANSPORT_get_hello_cancel (p1.ghh);
p1.ghh = NULL;
}
if (p1.th != NULL)
{
GNUNET_TRANSPORT_disconnect (p1.th);
p1.th = NULL;
}
if (NULL != p2.ghh)
{
GNUNET_TRANSPORT_get_hello_cancel (p2.ghh);
p2.ghh = NULL;
}
if (p2.th != NULL)
{
GNUNET_TRANSPORT_disconnect (p2.th);
p2.th = NULL;
}
GNUNET_SCHEDULER_shutdown ();
}
/**
* Timeout, give up.
*/
static void
timeout_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
timeout_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Timeout trying to connect peers, test failed.\n");
clean_up (NULL, tc);
}
/**
* Function called to notify transport users that another
* peer connected to us.
*
* @param cls closure
* @param peer the peer that connected
* @param latency current latency of the connection
* @param distance in overlay hops, as given by transport plugin
*/
static void
notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
{
if (peer == NULL)
return;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected, shutting down.\n");
ok = 0;
if (timeout_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (timeout_task);
timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
GNUNET_SCHEDULER_add_now (&clean_up, NULL);
}
static void
process_hello (void *cls, const struct GNUNET_MessageHeader *message)
{
struct PeerContext *p = cls;
GNUNET_TRANSPORT_get_hello_cancel (p->ghh);
p->ghh = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received HELLO, starting hostlist service.\n");
}
static void
setup_peer (struct PeerContext *p, const char *cfgname)
{
char *binary;
binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
p->cfg = GNUNET_CONFIGURATION_create ();
p->arm_proc =
GNUNET_OS_start_process (GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
NULL, NULL, NULL,
binary,
"gnunet-service-arm",
"-c", cfgname, NULL);
GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
p->th =
GNUNET_TRANSPORT_connect (p->cfg, NULL, p, NULL, ¬ify_connect, NULL);
GNUNET_assert (p->th != NULL);
p->ghh = GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p);
GNUNET_free (binary);
}
static void
waitpid_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerContext *p = cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Killing ARM process.\n");
if (0 != GNUNET_OS_process_kill (p->arm_proc, GNUNET_TERM_SIG))
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
if (GNUNET_OS_process_wait (p->arm_proc) != GNUNET_OK)
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ARM process %u stopped\n",
GNUNET_OS_process_get_pid (p->arm_proc));
GNUNET_OS_process_destroy (p->arm_proc);
p->arm_proc = NULL;
GNUNET_CONFIGURATION_destroy (p->cfg);
}
static void
stop_arm (struct PeerContext *p)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking ARM to stop core service\n");
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &waitpid_task, p);
}
/**
* Try again to connect to transport service.
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
stop_arm (&p1);
stop_arm (&p2);
}
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
GNUNET_assert (ok == 1);
ok++;
timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_error, NULL);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
NULL);
setup_peer (&p1, "test_gnunet_daemon_hostlist_peer1.conf");
setup_peer (&p2, "test_gnunet_daemon_hostlist_peer2.conf");
}
int
main (int argcx, char *argvx[])
{
static char *const argv[] = {
"test-gnunet-daemon-hostlist",
"-c", "test_gnunet_daemon_hostlist_data.conf",
NULL
};
static struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-1");
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-2");
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-3");
GNUNET_log_setup ("test-gnunet-daemon-hostlist",
"WARNING",
NULL);
ok = 1;
GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
"test-gnunet-daemon-hostlist", "nohelp", options, &run,
&ok);
if (0 == ok)
{
FPRINTF (stderr, "%s", ".");
/* now do it again */
ok = 1;
GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
"test-gnunet-daemon-hostlist", "nohelp", options, &run,
&ok);
FPRINTF (stderr, "%s", ".\n");
}
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-1");
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-2");
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-hostlist-peer-3");
return ok;
}
/* end of test_gnunet_daemon_hostlist_reconnect.c */
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