Current File : //backups/router/usr/local/include/syslog-ng/apphook.h
/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef APPHOOK_H_INCLUDED
#define APPHOOK_H_INCLUDED
#include "syslog-ng.h"
enum
{
/* these states happen as a sequence and only happen once */
AH_STARTUP,
AH_POST_DAEMONIZED,
AH_RUNNING,
AH_PRE_SHUTDOWN,
AH_SHUTDOWN,
/* this item separates state-like hooks from events happening regularly in
* the RUNNING state */
__AH_STATE_MAX,
/* these happen from time to time and don't update the current state of
* the process */
AH_CONFIG_PRE_PRE_INIT, /* configuration pre_init() is to be called */
AH_CONFIG_PRE_INIT, /* configuration init() is to be called */
AH_CONFIG_STOPPED, /* configuration is deinitialized, threads have stopped */
AH_CONFIG_CHANGED, /* configuration changed, threads are running again */
AH_REOPEN_FILES, /* reopen files signal from syslog-ng-ctl */
};
typedef enum
{
AHM_RUN_ONCE,
AHM_RUN_REPEAT,
} ApplicationHookRunMode;
/* state-like hook entry points */
void app_startup(void);
void app_post_daemonized(void);
void app_running(void);
void app_pre_shutdown(void);
void app_shutdown(void);
/* stateless entry points */
void app_config_pre_pre_init(void);
void app_config_pre_init(void);
void app_config_stopped(void);
void app_config_changed(void);
void app_reopen_files(void);
typedef void (*ApplicationHookFunc)(gint type, gpointer user_data);
typedef void (*ApplicationThreadHookFunc)(gpointer user_data);
gboolean app_is_starting_up(void);
gboolean app_is_shutting_down(void);
void register_application_hook(gint type,
ApplicationHookFunc func, gpointer user_data,
ApplicationHookRunMode run_mode);
void register_application_thread_init_hook(ApplicationThreadHookFunc func, gpointer user_data);
void register_application_thread_deinit_hook(ApplicationThreadHookFunc func, gpointer user_data);
void app_thread_start(void);
void app_thread_stop(void);
#endif
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