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/*
This file is part of GNUnet
Copyright (C) 2008--2013 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.
*/
/**
* @file testbed/test_testbed_api_barriers.c
* @brief testcase binary for testing testbed barriers API
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include "test_testbed_api_barriers.h"
/**
* logging short hand
*/
#define LOG(type,...) \
GNUNET_log (type, __VA_ARGS__);
/**
* Number of peers we start in this test case
*/
#define NUM_PEERS 3
/**
* Our barrier
*/
struct GNUNET_TESTBED_Barrier *barrier;
/**
* Identifier for the shutdown task
*/
static struct GNUNET_SCHEDULER_Task *timeout_task;
/**
* Result of this test case
*/
static int result;
/**
* Handle SIGINT and SIGTERM
*/
static void
shutdown_handler(void *cls)
{
if (NULL != timeout_task)
{
GNUNET_SCHEDULER_cancel(timeout_task);
timeout_task = NULL;
}
}
/**
* Shutdown this test case when it takes too long
*
* @param cls NULL
*/
static void
do_timeout (void *cls)
{
timeout_task = NULL;
if (barrier != NULL)
GNUNET_TESTBED_barrier_cancel (barrier);
GNUNET_SCHEDULER_shutdown ();
}
/**
* Functions of this type are to be given as callback argument to
* GNUNET_TESTBED_barrier_init(). The callback will be called when status
* information is available for the barrier.
*
* @param cls the closure given to GNUNET_TESTBED_barrier_init()
* @param name the name of the barrier
* @param barrier the barrier handle
* @param status status of the barrier; #GNUNET_OK if the barrier is crossed;
* #GNUNET_SYSERR upon error
* @param emsg if the status were to be #GNUNET_SYSERR, this parameter has the
* error messsage
*/
static void
barrier_cb (void *cls,
const char *name,
struct GNUNET_TESTBED_Barrier *_barrier,
enum GNUNET_TESTBED_BarrierStatus status,
const char *emsg)
{
static enum GNUNET_TESTBED_BarrierStatus old_status;
GNUNET_assert (NULL == cls);
GNUNET_assert (_barrier == barrier);
switch (status)
{
case GNUNET_TESTBED_BARRIERSTATUS_INITIALISED:
LOG (GNUNET_ERROR_TYPE_INFO,
"Barrier initialised\n");
old_status = status;
return;
case GNUNET_TESTBED_BARRIERSTATUS_ERROR:
LOG (GNUNET_ERROR_TYPE_ERROR,
"Barrier initialisation failed: %s",
(NULL == emsg) ? "unknown reason" : emsg);
break;
case GNUNET_TESTBED_BARRIERSTATUS_CROSSED:
LOG (GNUNET_ERROR_TYPE_INFO,
"Barrier crossed\n");
if (old_status == GNUNET_TESTBED_BARRIERSTATUS_INITIALISED)
result = GNUNET_OK;
break;
default:
GNUNET_assert (0);
return;
}
barrier = NULL;
GNUNET_SCHEDULER_shutdown ();
}
/**
* Signature of a main function for a testcase.
*
* @param cls closure
* @param h the run handle
* @param num_peers number of peers in 'peers'
* @param peers_ handle to peers run in the testbed
* @param links_succeeded the number of overlay link connection attempts that
* succeeded
* @param links_failed the number of overlay link connection attempts that
* failed
*/
static void
test_master (void *cls,
struct GNUNET_TESTBED_RunHandle *h,
unsigned int num_peers,
struct GNUNET_TESTBED_Peer **peers_,
unsigned int links_succeeded,
unsigned int links_failed)
{
struct GNUNET_TESTBED_Controller *c;
GNUNET_assert (NULL == cls);
if (NULL == peers_)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failing test due to timeout\n");
return;
}
GNUNET_assert (NUM_PEERS == num_peers);
c = GNUNET_TESTBED_run_get_controller_handle (h);
barrier = GNUNET_TESTBED_barrier_init (c,
TEST_BARRIER_NAME,
100,
&barrier_cb,
NULL);
timeout_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_SECONDS,
10 * (NUM_PEERS + 1)),
&do_timeout, NULL);
GNUNET_SCHEDULER_add_shutdown(&shutdown_handler, NULL);
}
#ifndef PATH_MAX
/**
* Assumed maximum path length (for the log file name).
*/
#define PATH_MAX 4096
#endif
/**
* Main function
*/
int
main (int argc, char **argv)
{
struct GNUNET_CONFIGURATION_Handle *cfg;
char pwd[PATH_MAX];
char *binary;
uint64_t event_mask;
result = GNUNET_SYSERR;
event_mask = 0;
cfg = GNUNET_CONFIGURATION_create ();
GNUNET_assert (GNUNET_YES ==
GNUNET_CONFIGURATION_parse (cfg,
"test_testbed_api_barriers.conf.in"));
if (NULL == getcwd (pwd, PATH_MAX))
return 1;
GNUNET_assert (0 < GNUNET_asprintf (&binary, "%s/%s", pwd,
"gnunet-service-test-barriers"));
GNUNET_CONFIGURATION_set_value_string (cfg, "test-barriers","BINARY", binary);
GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_write
(cfg, "test_testbed_api_barriers.conf"));
GNUNET_CONFIGURATION_destroy (cfg);
cfg = NULL;
GNUNET_free (binary);
binary = NULL;
(void) GNUNET_TESTBED_test_run ("test_testbed_api_barriers",
"test_testbed_api_barriers.conf", NUM_PEERS,
event_mask, NULL, NULL,
&test_master, NULL);
(void) unlink ("test_testbed_api_barriers.conf");
if (GNUNET_OK != result)
return 1;
return 0;
}
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