freebsd-skq/usr.sbin/ctld/isns.h

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/*-
* Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _ISNS_H
#define _ISNS_H
#define ISNS_VERSION 0x0001
#define ISNS_FUNC_DEVATTRREG 0x0001
#define ISNS_FUNC_DEVATTRQRY 0x0002
#define ISNS_FUNC_DEVGETNEXT 0x0003
#define ISNS_FUNC_DEVDEREG 0x0004
#define ISNS_FUNC_SCNREG 0x0005
#define ISNS_FUNC_SCNDEREG 0x0006
#define ISNS_FUNC_SCNEVENT 0x0007
#define ISNS_FUNC_SCN 0x0008
#define ISNS_FUNC_DDREG 0x0009
#define ISNS_FUNC_DDDEREG 0x000a
#define ISNS_FUNC_DDSREG 0x000b
#define ISNS_FUNC_DDSDEREG 0x000c
#define ISNS_FUNC_ESI 0x000d
#define ISNS_FUNC_HEARTBEAT 0x000e
#define ISNS_FUNC_RESPONSE 0x8000
#define ISNS_FLAG_CLIENT 0x8000
#define ISNS_FLAG_SERVER 0x4000
#define ISNS_FLAG_AUTH 0x2000
#define ISNS_FLAG_REPLACE 0x1000
#define ISNS_FLAG_LAST 0x0800
#define ISNS_FLAG_FIRST 0x0400
struct isns_hdr {
uint8_t ih_version[2];
uint8_t ih_function[2];
uint8_t ih_length[2];
uint8_t ih_flags[2];
uint8_t ih_transaction[2];
uint8_t ih_sequence[2];
};
struct isns_tlv {
uint8_t it_tag[4];
uint8_t it_length[4];
uint8_t it_value[];
};
struct isns_req {
u_int ir_buflen;
u_int ir_usedlen;
uint8_t *ir_buf;
};
struct isns_req * isns_req_alloc(void);
struct isns_req * isns_req_create(uint16_t func, uint16_t flags);
void isns_req_free(struct isns_req *req);
void isns_req_add(struct isns_req *req, uint32_t tag, uint32_t len,
const void *value);
void isns_req_add_delim(struct isns_req *req);
void isns_req_add_str(struct isns_req *req, uint32_t tag, const char *value);
void isns_req_add_32(struct isns_req *req, uint32_t tag, uint32_t value);
void isns_req_add_addr(struct isns_req *req, uint32_t tag, struct addrinfo *ai);
void isns_req_add_port(struct isns_req *req, uint32_t tag, struct addrinfo *ai);
int isns_req_send(int s, struct isns_req *req);
int isns_req_receive(int s, struct isns_req *req);
uint32_t isns_req_get_status(struct isns_req *req);
#endif /* _ISNS_H */