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/*
This file is part of TALER
Copyright (C) 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 exchange-lib/testing_api_cmd_exec_wirewatch.c
* @brief run the taler-exchange-wirewatch command
* @author Christian Grothoff
* @author Marcello Stanisci
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "exchange_api_handle.h"
#include "taler_signatures.h"
#include "taler_testing_lib.h"
struct WirewatchState
{
/**
* Process for the wirewatcher.
*/
struct GNUNET_OS_Process *wirewatch_proc;
/**
* Which configuration file should we pass to the process?
*/
const char *config_filename;
};
/**
* Runs the command. Note that upon return, the interpreter
* will not automatically run the next command, as the command
* may continue asynchronously in other scheduler tasks. Thus,
* the command must ensure to eventually call
* #TALER_TESTING_interpreter_next() or
* #TALER_TESTING_interpreter_fail().
*
* @param is interpreter state
*/
static void
wirewatch_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct WirewatchState *ws = cls;
ws->wirewatch_proc
= GNUNET_OS_start_process (GNUNET_NO,
GNUNET_OS_INHERIT_STD_ALL,
NULL, NULL, NULL,
"taler-exchange-wirewatch",
"taler-exchange-wirewatch",
"-c", ws->config_filename,
"-t", "test", /* use Taler's bank/fakebank */
"-T", /* exit when done */
NULL);
if (NULL == ws->wirewatch_proc)
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
TALER_TESTING_wait_for_sigchld (is);
}
/**
* Clean up after the command. Run during forced termination
* (CTRL-C) or test failure or test success.
*
* @param cls closure
*/
static void
wirewatch_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct WirewatchState *ws = cls;
if (NULL != ws->wirewatch_proc)
{
GNUNET_break (0 ==
GNUNET_OS_process_kill (ws->wirewatch_proc,
SIGKILL));
GNUNET_OS_process_wait (ws->wirewatch_proc);
GNUNET_OS_process_destroy (ws->wirewatch_proc);
ws->wirewatch_proc = NULL;
}
GNUNET_free (ws);
}
/**
* Extract information from a command that is useful for other
* commands.
*
* @param cls closure
* @param ret[out] result (could be anything)
* @param trait name of the trait
* @param selector more detailed information about which object
* to return in case there were multiple generated
* by the command
* @return #GNUNET_OK on success
*/
static int
wirewatch_traits (void *cls,
void **ret,
const char *trait,
unsigned int index)
{
struct WirewatchState *ws = cls;
struct TALER_TESTING_Trait traits[] = {
TALER_TESTING_make_trait_process (0,
&ws->wirewatch_proc),
TALER_TESTING_trait_end ()
};
return TALER_TESTING_get_trait (traits,
ret,
trait,
index);
}
/**
* Execute taler-exchange-wirewatch process.
*
* @param label command label
* @param config_filename configuration filename
*
* @return the command
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_exec_wirewatch (const char *label,
const char *config_filename)
{
struct TALER_TESTING_Command cmd;
struct WirewatchState *ws;
ws = GNUNET_new (struct WirewatchState);
ws->config_filename = config_filename;
cmd.cls = ws;
cmd.label = label;
cmd.run = &wirewatch_run;
cmd.cleanup = &wirewatch_cleanup;
cmd.traits = &wirewatch_traits;
return cmd;
}
/* end of testing_api_cmd_exec_wirewatch.c */
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