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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) 2002-2021 OpenVPN 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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(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__
#if __USE_MINGW_ANSI_STDIO
__attribute__ ((format(gnu_printf, 2, 3)))
#else
__attribute__ ((format(__printf__, 2, 3)))
#endif
#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 /* ifndef STATUS_H */
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