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/*
This file is part of GNUnet.
(C) 2012 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 lockmanager/test_lockmanager_api_acquireretry.c
* @brief Test cases for lockmanager_api where the server crashes and comes
* back; the api should try to acqurie the lock again
* @author Sree Harsha Totakura
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_lockmanager_service.h"
#include "gnunet_testing_lib.h"
/**
* Generic logging shorthand
*/
#define LOG(kind,...) \
GNUNET_log (kind, __VA_ARGS__)
/**
* Relative seconds shorthand
*/
#define TIME_REL_SECS(sec) \
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
/**
* Various stages in test
*/
enum Test
{
/**
* Signal test failure
*/
TEST_FAIL,
/**
* Testing just began
*/
TEST_INIT,
/**
* Client has successfully acquired the lock
*/
TEST_CLIENT_LOCK_SUCCESS,
/**
* Client has lost the lock
*/
TEST_CLIENT_LOCK_RELEASE,
/**
* Client has again acquired the lock
*/
TEST_CLIENT_LOCK_AGAIN_SUCCESS
};
/**
* Configuration Handle
*/
static const struct GNUNET_CONFIGURATION_Handle *config;
/**
* The handle to the lockmanager service
*/
static struct GNUNET_LOCKMANAGER_Handle *handle;
/**
* The locking request
*/
static struct GNUNET_LOCKMANAGER_LockingRequest *request;
/**
* Abort task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier abort_task_id;
/**
* The test result
*/
enum Test result;
/**
* Our peer
*/
static struct GNUNET_TESTING_Peer *self;
/**
* Shutdown nicely
*
* @param cls
* @param tc the task context
*/
static void
do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (GNUNET_SCHEDULER_NO_TASK != abort_task_id)
{
GNUNET_SCHEDULER_cancel (abort_task_id);
abort_task_id = GNUNET_SCHEDULER_NO_TASK;
}
if (NULL != handle)
GNUNET_LOCKMANAGER_disconnect (handle);
}
/**
* Abort
*
* @param cls
* @param tc the task context
*/
static void
do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "Aborting test...\n");
abort_task_id = GNUNET_SCHEDULER_NO_TASK;
result = TEST_FAIL;
do_shutdown (cls, tc);
}
/**
* Callback for lock status changes
*
* @param cls the handle
*
* @param domain_name the locking domain of the lock
*
* @param lock the lock for which this status is relevant
*
* @param status GNUNET_LOCKMANAGER_SUCCESS if the lock has been successfully
* acquired; GNUNET_LOCKMANAGER_RELEASE when the acquired lock is lost
*/
static void
status_cb (void *cls, const char *domain_name, uint32_t lock,
enum GNUNET_LOCKMANAGER_Status status)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Status change callback called on lock: %d of domain: %s\n", lock,
domain_name);
switch (result)
{
case TEST_INIT:
GNUNET_assert (handle == cls);
GNUNET_assert (GNUNET_LOCKMANAGER_SUCCESS == status);
result = TEST_CLIENT_LOCK_SUCCESS;
/* We should kill the lockmanager process */
GNUNET_TESTING_peer_stop (self);
break;
case TEST_CLIENT_LOCK_SUCCESS:
GNUNET_assert (handle == cls);
GNUNET_assert (GNUNET_LOCKMANAGER_RELEASE == status);
result = TEST_CLIENT_LOCK_RELEASE;
/* Now we should start again the lockmanager process */
GNUNET_TESTING_peer_start (self);
break;
case TEST_CLIENT_LOCK_RELEASE:
GNUNET_assert (handle == cls);
GNUNET_assert (GNUNET_LOCKMANAGER_SUCCESS == status);
result = TEST_CLIENT_LOCK_AGAIN_SUCCESS;
GNUNET_LOCKMANAGER_cancel_request (request);
request = NULL;
GNUNET_SCHEDULER_add_delayed (TIME_REL_SECS (1), &do_shutdown, NULL);
break;
default:
GNUNET_assert (0); /* We should never reach here */
}
}
/**
* Main point of test execution
*/
static void
run (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TESTING_Peer *peer)
{
config = cfg;
self = peer;
result = TEST_INIT;
handle = GNUNET_LOCKMANAGER_connect (config);
GNUNET_assert (NULL != handle);
request =
GNUNET_LOCKMANAGER_acquire_lock (handle, "GNUNET_LOCKMANAGER_TESTING", 99,
&status_cb, handle);
GNUNET_assert (NULL != request);
abort_task_id =
GNUNET_SCHEDULER_add_delayed (TIME_REL_SECS (30), &do_abort, NULL);
}
/**
* Main function
*/
int
main (int argc, char **argv)
{
if (0 !=
GNUNET_TESTING_peer_run ("test_lockmanager_api_acquireretry",
"test_lockmanager_api.conf", &run, NULL))
return 1;
return (TEST_CLIENT_LOCK_AGAIN_SUCCESS != result) ? 1 : 0;
}
/* end of test_lockmanager_api_acquireretry.c */
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