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/*
This file is part of TALER
Copyright (C) 2014-2018 Taler Systems SA
TALER 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.
TALER 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 TALER; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file testing_api_twister_helpers.c
* @brief helper functions for test library.
* @author Christian Grothoff
* @author Marcello Stanisci
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include "taler_twister_testing_lib.h"
/**
* Prepare twister for execution; mainly checks whether the
* HTTP port is available and construct the base URL based on it.
*
* @param config_filename configuration file name.
* @return twister base URL, NULL upon errors.
*/
char *
TALER_TWISTER_prepare_twister (const char *config_filename)
{
struct GNUNET_CONFIGURATION_Handle *cfg;
unsigned long long port;
char *base_url;
cfg = GNUNET_CONFIGURATION_create ();
if (GNUNET_OK != GNUNET_CONFIGURATION_load
(cfg, config_filename))
TWISTER_FAIL ();
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number
(cfg, "twister",
"HTTP_PORT", &port))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"twister",
"HTTP_PORT");
GNUNET_CONFIGURATION_destroy (cfg);
TWISTER_FAIL ();
}
GNUNET_CONFIGURATION_destroy (cfg);
if (GNUNET_OK != GNUNET_NETWORK_test_port_free
(IPPROTO_TCP, (uint16_t) port))
{
fprintf (stderr,
"Required port %llu not available, skipping.\n",
port);
TWISTER_FAIL ();
}
GNUNET_assert (0 < GNUNET_asprintf
(&base_url,
"http://localhost:%llu/",
port));
return base_url;
}
/**
* Run the twister service.
*
* @param config_filename configuration file name.
* @return twister process handle, NULL upon errors.
*/
struct GNUNET_OS_Process *
TALER_TWISTER_run_twister (const char *config_filename)
{
struct GNUNET_OS_Process *proc;
struct GNUNET_OS_Process *client_proc;
unsigned long code;
enum GNUNET_OS_ProcessStatusType type;
proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ALL,
NULL, NULL, NULL,
"taler-twister-service",
"taler-twister-service",
"-c", config_filename,
NULL);
if (NULL == proc)
TWISTER_FAIL ();
client_proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ALL,
NULL, NULL, NULL,
"taler-twister",
"taler-twister",
"-c", config_filename,
"-a", NULL);
if (NULL == client_proc)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Could not start the taler-twister client\n");
GNUNET_OS_process_kill (proc, SIGTERM);
GNUNET_OS_process_wait (proc);
GNUNET_OS_process_destroy (proc);
TWISTER_FAIL ();
}
if (GNUNET_SYSERR == GNUNET_OS_process_wait_status
(client_proc, &type, &code))
{
GNUNET_OS_process_destroy (client_proc);
GNUNET_OS_process_kill (proc, SIGTERM);
GNUNET_OS_process_wait (proc);
GNUNET_OS_process_destroy (proc);
TWISTER_FAIL ();
}
if ( (type == GNUNET_OS_PROCESS_EXITED) &&
(0 != code) )
{
fprintf (stderr, "Failed to check twister works.\n");
GNUNET_OS_process_destroy (client_proc);
GNUNET_OS_process_kill (proc, SIGTERM);
GNUNET_OS_process_wait (proc);
GNUNET_OS_process_destroy (proc);
TWISTER_FAIL ();
}
if ( (type != GNUNET_OS_PROCESS_EXITED) ||
(0 != code) )
{
fprintf (stderr, "Unexpected error running"
" `taler-twister'!\n");
GNUNET_OS_process_destroy (client_proc);
GNUNET_OS_process_kill (proc, SIGTERM);
GNUNET_OS_process_wait (proc);
GNUNET_OS_process_destroy (proc);
TWISTER_FAIL ();
}
GNUNET_OS_process_destroy (client_proc);
return proc;
}
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