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/*
This file is part of GNUnet.
Copyright (C) 2001-2013 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
#if ! defined (__GNUNET_UTIL_LIB_H_INSIDE__)
#error "Only <gnunet_util_lib.h> can be included directly."
#endif
/**
* @addtogroup libgnunetutil
* Multi-function utilities library for GNUnet programs
* @{
*
* @author Christian Grothoff
*
* @file
* Functions related to starting programs
*
* @defgroup program Program library
* Start command-line programs.
* @{
*/
#ifndef GNUNET_PROGRAM_LIB_H
#define GNUNET_PROGRAM_LIB_H
#ifdef __cplusplus
extern "C"
{
#if 0 /* keep Emacsens' auto-indent happy */
}
#endif
#endif
#include "gnunet_configuration_lib.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_scheduler_lib.h"
/**
* Main function that will be run.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
typedef void
(*GNUNET_PROGRAM_Main) (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg);
/**
* Run a standard GNUnet command startup sequence (initialize loggers
* and configuration, parse options).
*
* @param argc number of command line arguments in @a argv
* @param argv command line arguments
* @param binaryName our expected name
* @param binaryHelp help text for the program
* @param options command line options
* @param task main function to run
* @param task_cls closure for @a task
* @param run_without_scheduler #GNUNET_NO start the scheduler,
* #GNUNET_YES do not start the scheduler just run the main task
* @return #GNUNET_SYSERR on error,
* #GNUNET_NO if successful option processing called
* for the program to terminate,
* #GNUNET_OK on success (#a task was invoked)
*/
enum GNUNET_GenericReturnValue
GNUNET_PROGRAM_run2 (int argc,
char *const *argv,
const char *binaryName,
const char *binaryHelp,
const struct GNUNET_GETOPT_CommandLineOption *options,
GNUNET_PROGRAM_Main task,
void *task_cls,
int run_without_scheduler);
/**
* Run a standard GNUnet command startup sequence (initialize loggers
* and configuration, parse options).
*
* @param argc number of command line arguments
* @param argv command line arguments
* @param binaryName our expected name
* @param binaryHelp helptext for "-h" option (about the app)
* @param options command line options
* @param task main function to run
* @param task_cls closure for @a task
* @return #GNUNET_SYSERR on error,
* #GNUNET_NO if successful option processing called
* for the program to terminate,
* #GNUNET_OK on success (#a task was invoked)
*/
enum GNUNET_GenericReturnValue
GNUNET_PROGRAM_run (int argc,
char *const *argv,
const char *binaryName,
const char *binaryHelp,
const struct GNUNET_GETOPT_CommandLineOption *options,
GNUNET_PROGRAM_Main task,
void *task_cls);
enum GNUNET_GenericReturnValue
GNUNET_DAEMON_register (const char *daemon_name,
const char *daemon_desc,
GNUNET_PROGRAM_Main task);
#ifndef HAVE_GNUNET_MONOLITH
#define GNUNET_DAEMON_MAIN(daemon_name, daemon_help, init_cb) \
int \
main (int argc, \
char *const *argv) \
{ \
int ret; \
struct GNUNET_GETOPT_CommandLineOption options[] = { \
GNUNET_GETOPT_OPTION_END \
}; \
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, \
&argv)) \
return 2; \
ret = GNUNET_PROGRAM_run (argc, \
argv, \
daemon_name, \
daemon_help, \
options, \
init_cb, \
NULL); \
GNUNET_free_nz ((void*) argv); \
return ret; \
}
#else
#define GNUNET_DAEMON_MAIN(daemon_name, daemon_help, init_cb) \
static int __attribute__ ((constructor)) \
init (void) \
{ \
return GNUNET_DAEMON_register (daemon_name, \
daemon_help, \
init_cb); \
}
#endif
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
/* ifndef GNUNET_PROGRAM_LIB_H */
#endif
/** @} */ /* end of group program */
/** @} */ /* end of group addition */
/* end of gnunet_program_lib.h */
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