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Diffstat (limited to 'usr.sbin/ctld/isns.hh')
| -rw-r--r-- | usr.sbin/ctld/isns.hh | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/usr.sbin/ctld/isns.hh b/usr.sbin/ctld/isns.hh new file mode 100644 index 000000000000..08a479626338 --- /dev/null +++ b/usr.sbin/ctld/isns.hh @@ -0,0 +1,95 @@ +/*- + * 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. + */ + +#ifndef __ISNS_HH__ +#define __ISNS_HH__ + +#include <vector> + +#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 { + isns_req() {} + isns_req(uint16_t func, uint16_t flags, const char *descr); + + const char *descr() const { return ir_descr; } + + void add(uint32_t tag, uint32_t len, const void *value); + void add_delim(); + void add_str(uint32_t tag, const char *value); + void add_32(uint32_t tag, uint32_t value); + void add_addr(uint32_t tag, const struct addrinfo *ai); + void add_port(uint32_t tag, const struct addrinfo *ai); + bool send(int s); + bool receive(int s); + uint32_t get_status(); +private: + void getspace(uint32_t len); + void append(const void *buf, size_t len); + + std::vector<char> ir_buf; + const char *ir_descr; +}; + +#endif /* __ISNS_HH__ */ |