#ifndef CHANNEL_H
#define CHANNEL_H

/*
 * channel.h	For radmin / server channels.
 * Version:	$Id$
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, 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
 *
 * Copyright 2015 Alan DeKok <aland@deployingradius.com>
 */

RCSIDH(heap_h, "$Id$")

#ifdef __cplusplus
extern "C" {
#endif

typedef enum fr_channel_type_t {
	FR_CHANNEL_STDIN = 0,
	FR_CHANNEL_STDOUT,
	FR_CHANNEL_STDERR,
	FR_CHANNEL_CMD_STATUS,
	FR_CHANNEL_INIT_ACK,
	FR_CHANNEL_AUTH_CHALLENGE,
	FR_CHANNEL_AUTH_RESPONSE,
	FR_CHANNEL_WANT_MORE
} fr_channel_type_t;

typedef enum fr_channel_result_t {
	FR_CHANNEL_FAIL = 0,
	FR_CHANNEL_SUCCESS
} fr_channel_result_t;

ssize_t fr_channel_drain(int fd, fr_channel_type_t *pchannel, void *inbuf, size_t buflen, uint8_t **outbuf, size_t have_read);
ssize_t fr_channel_read(int fd, fr_channel_type_t *pchannel, void *buffer, size_t buflen);
ssize_t fr_channel_write(int fd, fr_channel_type_t channel, void const *buffer, size_t buflen);

#ifdef __cplusplus
}
#endif

#endif /* CHANNEL_H */