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/*
* Copyright (c) 2013, 2014 Balabit
* Copyright (c) 2013, 2014 Gergely Nagy <algernon@balabit.hu>
*
* 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 LOGTHRDESTDRV_H
#define LOGTHRDESTDRV_H
#include "syslog-ng.h"
#include "driver.h"
#include "stats/stats-registry.h"
#include "logqueue.h"
#include "mainloop-worker.h"
#include <iv.h>
#include <iv_event.h>
typedef enum
{
WORKER_INSERT_RESULT_DROP,
WORKER_INSERT_RESULT_ERROR,
WORKER_INSERT_RESULT_REWIND,
WORKER_INSERT_RESULT_SUCCESS,
WORKER_INSERT_RESULT_NOT_CONNECTED
} worker_insert_result_t;
typedef struct _LogThrDestDriver LogThrDestDriver;
struct _LogThrDestDriver
{
LogDestDriver super;
StatsCounterItem *dropped_messages;
StatsCounterItem *stored_messages;
StatsCounterItem *processed_messages;
gboolean suspended;
time_t time_reopen;
LogQueue *queue;
/* Worker stuff */
struct
{
gboolean connected;
void (*thread_init) (LogThrDestDriver *s);
void (*thread_deinit) (LogThrDestDriver *s);
worker_insert_result_t (*insert) (LogThrDestDriver *s, LogMessage *msg);
gboolean (*connect) (LogThrDestDriver *s);
void (*worker_message_queue_empty)(LogThrDestDriver *s);
void (*disconnect) (LogThrDestDriver *s);
} worker;
struct
{
void (*retry_over) (LogThrDestDriver *s, LogMessage *msg);
} messages;
struct
{
gchar *(*stats_instance) (LogThrDestDriver *s);
} format;
gint stats_source;
gint32 seq_num;
struct
{
gint counter;
gint max;
} retries;
void (*queue_method) (LogThrDestDriver *s);
WorkerOptions worker_options;
struct iv_event wake_up_event;
struct iv_event shutdown_event;
struct iv_timer timer_reopen;
struct iv_timer timer_throttle;
struct iv_task do_work;
};
gboolean log_threaded_dest_driver_deinit_method(LogPipe *s);
gboolean log_threaded_dest_driver_start(LogPipe *s);
void log_threaded_dest_driver_init_instance(LogThrDestDriver *self, GlobalConfig *cfg);
void log_threaded_dest_driver_free(LogPipe *s);
void log_threaded_dest_driver_suspend(LogThrDestDriver *self);
void log_threaded_dest_driver_message_accept(LogThrDestDriver *self,
LogMessage *msg);
void log_threaded_dest_driver_message_drop(LogThrDestDriver *self,
LogMessage *msg);
void log_threaded_dest_driver_message_rewind(LogThrDestDriver *self,
LogMessage *msg);
void log_threaded_dest_driver_set_max_retries(LogDriver *s, gint max_retries);
#endif
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