/*
 * Copyright (c) 2002-2009 BalaBit IT Ltd, Budapest, Hungary
 *
 * 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.
 *
 * Note that this permission is granted for only version 2 of the GPL.
 *
 * 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.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
  
#ifndef MESSAGES_H_INCLUDED
#define MESSAGES_H_INCLUDED

#include "syslog-ng.h"
#include <evtlog.h>

extern int debug_flag;
extern int verbose_flag;
extern int trace_flag;
extern int log_stderr;

void msg_set_context(LogMessage *msg);
gboolean msg_limit_internal_message(void);
EVTREC *msg_event_create(gint prio, const char *desc, EVTTAG *tag1, ...);
void msg_event_send(EVTREC *e);

void msg_syslog_started(void);

void msg_redirect_to_syslog(const gchar *program_name);
void msg_init(gboolean interactive);
void msg_deinit(void);

void msg_add_option_group(GOptionContext *ctx);


#if ENABLE_THREADS

#define MsgQueue         GAsyncQueue
#define msg_queue_push   g_async_queue_push
/* we're using try_pop here as we don't want to block in our dispatch callback */
#define msg_queue_pop    g_async_queue_try_pop
#define msg_queue_new    g_async_queue_new
#define msg_queue_free   g_async_queue_unref
#define msg_queue_length g_async_queue_length

#else

#define MsgQueue         GQueue
#define msg_queue_push   g_queue_push_tail
#define msg_queue_pop    g_queue_pop_head
#define msg_queue_new    g_queue_new
#define msg_queue_free   g_queue_free
#define msg_queue_length(q) q->length

#endif

extern MsgQueue *internal_msg_queue;

/* fatal->warning goes out to the console during startup, notice and below
 * comes goes to the log even during startup */
#define msg_fatal(desc, tag1, tags...) do { if (msg_limit_internal_message()) { msg_event_send(msg_event_create(EVT_PRI_CRIT, desc, tag1, ##tags )); } } while (0)
#define msg_error(desc, tag1, tags...) do { if (msg_limit_internal_message()) { msg_event_send(msg_event_create(EVT_PRI_ERR, desc, tag1, ##tags )); } } while (0)
#define msg_warning(desc, tag1, tags...) do { if (msg_limit_internal_message()) { msg_event_send(msg_event_create(EVT_PRI_WARNING, desc, tag1, ##tags )); } } while (0)
#define msg_notice(desc, tag1, tags...) do { if (msg_limit_internal_message()) { msg_event_send(msg_event_create(EVT_PRI_NOTICE, desc, tag1, ##tags )); } } while (0)
#define msg_info(desc, tag1, tags...) do { if (msg_limit_internal_message()) { msg_event_send(msg_event_create(EVT_PRI_INFO, desc, tag1, ##tags )); } } while (0)

#define msg_verbose(desc, tag1, tags...) \
	do { \
	  if (G_UNLIKELY(verbose_flag))    \
	    msg_info(desc, tag1, ##tags ); \
	} while (0)
	
#define msg_debug(desc, tag1, tags...) \
	do { \
	  if (G_UNLIKELY(debug_flag))                                   \
	    msg_event_send(msg_event_create(EVT_PRI_DEBUG, desc, tag1, ##tags )); \
	} while (0)

#if ENABLE_DEBUG
#define msg_trace(desc, tag1, tags...) \
	do { \
	  if (G_UNLIKELY(trace_flag))                                   \
            msg_event_send(msg_event_create(EVT_PRI_DEBUG, desc, tag1, ##tags )); \
	} while (0)
#else
#define msg_trace(desc, tag1, tags...)
#endif


#endif