Current File : //backups/router/usr/local/include/syslog-ng/logreader.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 LOGREADER_H_INCLUDED
#define LOGREADER_H_INCLUDED
#include "logsource.h"
#include "stats/aggregator/stats-aggregator.h"
#include "stats/aggregator/stats-aggregator-registry.h"
#include "logproto/logproto-server.h"
#include "poll-events.h"
#include "mainloop-io-worker.h"
#include "msg-format.h"
#include <iv_event.h>
/* flags */
#define LR_KERNEL 0x0002
#define LR_EMPTY_LINES 0x0004
#define LR_IGNORE_AUX_DATA 0x0008
#define LR_THREADED 0x0040
/* options */
typedef struct _LogReaderOptions
{
gboolean initialized;
LogSourceOptions super;
MsgFormatOptions parse_options;
LogProtoServerOptionsStorage proto_options;
guint32 flags;
gint fetch_limit;
const gchar *group_name;
gboolean check_hostname;
} LogReaderOptions;
typedef struct _LogReader LogReader;
struct _LogReader
{
LogSource super;
LogProtoServer *proto;
gboolean immediate_check;
LogPipe *control;
LogReaderOptions *options;
PollEvents *poll_events;
GSockAddr *peer_addr;
GSockAddr *local_addr;
StatsAggregator *max_message_size;
StatsAggregator *average_messages_size;
StatsAggregator *CPS;
/* NOTE: these used to be LogReaderWatch members, which were merged into
* LogReader with the multi-thread refactorization */
struct iv_task restart_task;
struct iv_event schedule_wakeup;
MainLoopIOWorkerJob io_job;
guint watches_running:1, suspended:1, realloc_window_after_fetch:1;
gint notify_code;
/* proto & poll_events pending to be applied. As long as the previous
* processing is being done, we can't replace these in self->proto and
* self->poll_events, they get applied to the production ones as soon as
* the previous work is finished */
gboolean pending_close;
GCond pending_close_cond;
GMutex pending_close_lock;
struct iv_timer idle_timer;
};
void log_reader_set_options(LogReader *s, LogPipe *control, LogReaderOptions *options, const gchar *stats_id,
StatsClusterKeyBuilder *kb);
void log_reader_set_follow_filename(LogReader *self, const gchar *follow_filename);
void log_reader_set_name(LogReader *s, const gchar *name);
void log_reader_set_peer_addr(LogReader *s, GSockAddr *peer_addr);
void log_reader_set_local_addr(LogReader *s, GSockAddr *local_addr);
void log_reader_set_immediate_check(LogReader *s);
void log_reader_disable_bookmark_saving(LogReader *s);
void log_reader_trigger_one_check(LogReader *s);
gboolean log_reader_is_opened(LogReader *s);
void log_reader_open(LogReader *s, LogProtoServer *proto, PollEvents *poll_events);
void log_reader_close_proto(LogReader *s);
LogReader *log_reader_new(GlobalConfig *cfg);
void log_reader_options_defaults(LogReaderOptions *options);
void log_reader_options_init(LogReaderOptions *options, GlobalConfig *cfg, const gchar *group_name);
void log_reader_options_destroy(LogReaderOptions *options);
void log_reader_options_set_tags(LogReaderOptions *options, GList *tags);
gboolean log_reader_options_process_flag(LogReaderOptions *options, const gchar *flag);
#endif
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