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/*
This file is part of GNUnet
(C) 2008--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 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 testbed/testbed_api_test.c
* @brief high-level test function
* @author Christian Grothoff
* @author Sree Harsha Totakura
*/
#include "platform.h"
#include "gnunet_testbed_service.h"
/**
* Context information for test run
*/
struct TestRunContext
{
/**
* Test master callback
*/
GNUNET_TESTBED_TestMaster test_master;
/**
* Closure for test master
*/
void *test_master_cls;
/**
* Number of peers to start
*/
unsigned int num_peers;
/**
* counter for loading peers
*/
unsigned int peer_cnt;
/**
* Followed by peers list
*/
struct GNUNET_TESTBED_Peer *peers[0];
};
/**
* Controller event callback
*
* @param cls NULL
* @param event the controller event
*/
static void
controller_event_cb (void *cls,
const struct GNUNET_TESTBED_EventInformation *event)
{
struct TestRunContext *rc = cls;
if (rc->peer_cnt == rc->num_peers)
return;
GNUNET_assert (GNUNET_TESTBED_ET_PEER_START == event->type);
GNUNET_assert (NULL == rc->peers[rc->peer_cnt]);
GNUNET_assert (NULL != event->details.peer_start.peer);
rc->peers[rc->peer_cnt++] = event->details.peer_start.peer;
}
/**
* Task to be executed when peers are ready
*
* @param cls NULL
* @param tc the task context
*/
static void
master_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct TestRunContext *rc = cls;
GNUNET_assert (rc->peer_cnt == rc->num_peers);
rc->test_master (rc->test_master_cls, rc->num_peers, rc->peers);
}
/**
* Main run function.
*
* @param cls NULL
* @param args arguments passed to GNUNET_PROGRAM_run
* @param cfgfile the path to configuration file
* @param cfg the configuration file handle
*/
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *config)
{
struct TestRunContext *rc = cls;
GNUNET_TESTBED_run (NULL, config, rc->num_peers, 0, &controller_event_cb, rc,
&master_task, rc);
}
/**
* Convenience method for running a "simple" test on the local system
* with a single call from 'main'. Underlay and overlay topology are
* configured using the "UNDERLAY" and "OVERLAY" options in the
* "[testbed]" section of the configuration (with possible options
* given in "UNDERLAY_XXX" and/or "OVERLAY_XXX").
*
* The test is to be terminated using a call to
* "GNUNET_SCHEDULER_shutdown". If starting the test fails,
* the program is stopped without 'master' ever being run.
*
* NOTE: this function should be called from 'main', NOT from
* within a GNUNET_SCHEDULER-loop. This function will initialze
* the scheduler loop, the testbed and then pass control to
* 'master'.
*
* @param testname name of the testcase (to configure logging, etc.)
* @param cfg_filename configuration filename to use
* (for testbed, controller and peers)
* @param num_peers number of peers to start
* @param test_master task to run once the test is ready
* @param test_master_cls closure for 'task'.
*/
void
GNUNET_TESTBED_test_run (const char *testname, const char *cfg_filename,
unsigned int num_peers,
GNUNET_TESTBED_TestMaster test_master,
void *test_master_cls)
{
char *argv2[] = {
NULL,
"-c",
NULL,
NULL
};
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
struct TestRunContext *rc;
argv2[0] = GNUNET_strdup (testname);
argv2[2] = GNUNET_strdup (cfg_filename);
GNUNET_assert (NULL != test_master);
rc = GNUNET_malloc (sizeof (struct TestRunContext) +
(num_peers * sizeof (struct GNUNET_TESTBED_Peer *)));
rc->test_master = test_master;
rc->test_master_cls = test_master_cls;
rc->num_peers = num_peers;
(void) GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
testname, "nohelp", options, &run, rc);
GNUNET_free (rc);
GNUNET_free (argv2[0]);
GNUNET_free (argv2[2]);
}
/* end of testbed_api_test.c */
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