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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
*
* 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.
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef STATUS_H
#define STATUS_H
#include "interval.h"
/*
* virtual function interface for status output
*/
struct virtual_output {
void *arg;
unsigned int flags_default;
void (*func) (void *arg, const unsigned int flags, const char *str);
};
static inline void
virtual_output_print (const struct virtual_output *vo, const unsigned int flags, const char *str)
{
(*vo->func) (vo->arg, flags, str);
}
/*
* printf-style interface for inputting/outputting status info
*/
struct status_output
{
# define STATUS_OUTPUT_READ (1<<0)
# define STATUS_OUTPUT_WRITE (1<<1)
unsigned int flags;
char *filename;
int fd;
int msglevel;
const struct virtual_output *vout;
struct buffer read_buf;
struct event_timeout et;
bool errors;
};
struct status_output *status_open (const char *filename,
const int refresh_freq,
const int msglevel,
const struct virtual_output *vout,
const unsigned int flags);
bool status_trigger_tv (struct status_output *so, struct timeval *tv);
bool status_trigger (struct status_output *so);
void status_reset (struct status_output *so);
void status_flush (struct status_output *so);
bool status_close (struct status_output *so);
void status_printf (struct status_output *so, const char *format, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
bool status_read (struct status_output *so, struct buffer *buf);
static inline unsigned int
status_rw_flags (const struct status_output *so)
{
if (so)
return so->flags;
else
return 0;
}
#endif
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