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| | /* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright Red Hat
* Author: David Gibson <david@gibson.dropbear.id.au>
*
* Definitions and functions used by both client and server of the configuration
* update protocol (pesto).
*/
#ifndef PESTO_H
#define PESTO_H
#include <assert.h>
#include <stdint.h>
#define PESTO_SERVER_MAGIC "basil:s"
/* Version 0 is reserved for unreleased / unsupported experimental versions */
#define PESTO_PROTOCOL_VERSION 1
/**
* struct pesto_hello - Server introduction message
* @magic: PESTO_SERVER_MAGIC
* @version: Version number
*/
struct pesto_hello {
char magic[8];
uint32_t version;
} __attribute__ ((__packed__));
static_assert(sizeof(PESTO_SERVER_MAGIC)
== sizeof(((struct pesto_hello *)0)->magic),
"PESTO_SERVER_MAGIC has wrong size");
#endif /* PESTO_H */
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