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/*
* Copyright (c) 2002-2016 Balabit
* Copyright (c) 2016 Viktor Juhasz <viktor.juhasz@balabit.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program 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 this program; 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 LOGQUEUE_DISK_H_INCLUDED
#define LOGQUEUE_DISK_H_INCLUDED
#include "logmsg/logmsg.h"
#include "logqueue.h"
#include "qdisk.h"
#include "logmsg/logmsg-serialize.h"
typedef struct _LogQueueDisk LogQueueDisk;
struct _LogQueueDisk
{
LogQueue super;
QDisk *qdisk; /* disk based queue */
/* TODO:
* LogQueueDisk should have a separate options class, which should only contain compaction, reliable, etc...
* Similarly, QDisk should have a separate options class, which should only contain capacity_bytes,
* flow_control_window_bytes, etc...
*/
struct
{
StatsClusterKey *capacity_sc_key;
StatsClusterKey *disk_usage_sc_key;
StatsClusterKey *disk_allocated_sc_key;
StatsCounterItem *capacity;
StatsCounterItem *disk_usage;
StatsCounterItem *disk_allocated;
} metrics;
gboolean compaction;
gboolean (*start)(LogQueueDisk *s);
gboolean (*stop)(LogQueueDisk *s, gboolean *persistent);
gboolean (*stop_corrupted)(LogQueueDisk *s);
};
extern QueueType log_queue_disk_type;
const gchar *log_queue_disk_get_filename(LogQueue *self);
gboolean log_queue_disk_stop(LogQueue *self, gboolean *persistent);
gboolean log_queue_disk_start(LogQueue *self);
void log_queue_disk_init_instance(LogQueueDisk *self, DiskQueueOptions *options, const gchar *qdisk_file_id,
const gchar *filename, const gchar *persist_name, gint stats_level,
StatsClusterKeyBuilder *driver_sck_builder,
StatsClusterKeyBuilder *queue_sck_builder);
void log_queue_disk_restart_corrupted(LogQueueDisk *self);
void log_queue_disk_free_method(LogQueueDisk *self);
void log_queue_disk_update_disk_related_counters(LogQueueDisk *self);
LogMessage *log_queue_disk_read_message(LogQueueDisk *self, LogPathOptions *path_options);
LogMessage *log_queue_disk_peek_message(LogQueueDisk *self);
void log_queue_disk_drop_message(LogQueueDisk *self, LogMessage *msg, const LogPathOptions *path_options);
gboolean log_queue_disk_serialize_msg(LogQueueDisk *self, LogMessage *msg, GString *serialized);
gboolean log_queue_disk_deserialize_msg(LogQueueDisk *self, GString *serialized, LogMessage **msg);
#endif
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