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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 dht/test_dht_api.c
* @brief base test case for dht api
*
* This test case tests DHT api to DUMMY DHT service communication.
*
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_hello_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_dht_service.h"
/**
* How long until we really give up on a particular testcase portion?
*/
#define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
/**
* How long until we give up on any particular operation (and retry)?
*/
#define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
#define MTYPE 12345
struct RetryContext
{
/**
* When to really abort the operation.
*/
struct GNUNET_TIME_Absolute real_timeout;
/**
* What timeout to set for the current attempt (increases)
*/
struct GNUNET_TIME_Relative next_timeout;
/**
* The task identifier of the retry task, so it can be cancelled.
*/
GNUNET_SCHEDULER_TaskIdentifier retry_task;
};
static struct GNUNET_DHT_Handle *dht_handle;
static struct GNUNET_DHT_GetHandle *get_handle;
struct RetryContext retry_context;
static int ok = 1;
static GNUNET_SCHEDULER_TaskIdentifier die_task;
#if VERBOSE
#define OKPP do { ok++; FPRINTF (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
#else
#define OKPP do { ok++; } while (0)
#endif
static void
end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_DHT_disconnect (dht_handle);
dht_handle = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"DHT disconnected, returning success!\n");
ok = 0;
}
static void
end_badly ()
{
/* do work here */
FPRINTF (stderr, "%s", "Ending on an unhappy note.\n");
if (get_handle != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping get request!\n");
GNUNET_DHT_get_stop (get_handle);
}
if (retry_context.retry_task != GNUNET_SCHEDULER_NO_TASK)
GNUNET_SCHEDULER_cancel (retry_context.retry_task);
GNUNET_DHT_disconnect (dht_handle);
dht_handle = NULL;
ok = 1;
}
/**
* Signature of the main function of a task.
*
* @param cls closure
* @param tc context information (why was this task triggered now)
*/
static void
test_get_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get_stop!\n");
if ((tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT) != 0)
{
GNUNET_break (0);
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
return;
}
GNUNET_assert (dht_handle != NULL);
GNUNET_DHT_get_stop (get_handle);
get_handle = NULL;
GNUNET_SCHEDULER_add_now (&end, NULL);
}
static void
test_get_iterator (void *cls, struct GNUNET_TIME_Absolute exp,
const struct GNUNET_HashCode * key,
const struct GNUNET_PeerIdentity *get_path,
unsigned int get_path_length,
const struct GNUNET_PeerIdentity *put_path,
unsigned int put_path_length, enum GNUNET_BLOCK_Type type,
size_t size, const void *data)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"test_get_iterator called (we got a result), stopping get request!\n");
GNUNET_SCHEDULER_add_continuation (&test_get_stop, NULL,
GNUNET_SCHEDULER_REASON_PREREQ_DONE);
}
/**
* Signature of the main function of a task.
*
* @param cls closure
* @param success result of PUT
*/
static void
test_get (void *cls, int success)
{
struct GNUNET_HashCode hash;
memset (&hash, 42, sizeof (struct GNUNET_HashCode));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get!\n");
GNUNET_assert (dht_handle != NULL);
retry_context.real_timeout = GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT);
retry_context.next_timeout = BASE_TIMEOUT;
get_handle =
GNUNET_DHT_get_start (dht_handle,
GNUNET_BLOCK_TYPE_TEST, &hash, 1,
GNUNET_DHT_RO_NONE, NULL, 0, &test_get_iterator,
NULL);
if (get_handle == NULL)
{
GNUNET_break (0);
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
return;
}
}
static void
run (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TESTING_Peer *peer)
{
struct GNUNET_HashCode hash;
char *data;
size_t data_size = 42;
GNUNET_assert (ok == 1);
OKPP;
die_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MINUTES, 1), &end_badly,
NULL);
memset (&hash, 42, sizeof (struct GNUNET_HashCode));
data = GNUNET_malloc (data_size);
memset (data, 43, data_size);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_put!\n");
dht_handle = GNUNET_DHT_connect (cfg, 100);
GNUNET_assert (dht_handle != NULL);
GNUNET_DHT_put (dht_handle, &hash, 1, GNUNET_DHT_RO_NONE,
GNUNET_BLOCK_TYPE_TEST, data_size, data,
GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
TOTAL_TIMEOUT, &test_get, NULL);
GNUNET_free (data);
}
int
main (int argc, char *argv[])
{
if (0 != GNUNET_TESTING_peer_run ("test-dht-api",
"test_dht_api_data.conf",
&run, NULL))
return 1;
return ok;
}
/* end of test_dht_api.c */
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