hosts.h

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/*
 * SPDX-FileCopyrightText: 2025 ML!PA Consulting GmbH
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once
 
#include "flash_utils.h"
#include "net/ipv4/addr.h"
#include "net/ipv6/addr.h"
#include "xfa.h"
 
#ifdef __cplusplus
extern "C" {
#else
 
typedef struct {
    FLASH_ATTR const char *name; 
    const ipv4_addr_t addr;      
} hostnames_v4_xfa_t;
 
typedef struct {
    FLASH_ATTR const char *name; 
    const ipv6_addr_t addr;      
} hostnames_v6_xfa_t;
 
#define HOST_IPV4(host, ip) \
    XFA_USE_CONST(hostnames_v4_xfa_t, hostnames_v4_xfa); \
    static FLASH_ATTR const char _xfa_ ## host ## _hostname[] = #host; \
    XFA_CONST(hostnames_v4_xfa_t, hostnames_v4_xfa, 0) _xfa_ ## host ## _host = { \
        .name = _xfa_ ## host ## _hostname, \
        .addr = ip, \
    };
 
#define HOST_IPV6(host, ip) \
    XFA_USE_CONST(hostnames_v6_xfa_t, hostnames_v6_xfa); \
    static FLASH_ATTR const char _xfa_ ## host ## _hostname[] = #host; \
    XFA_CONST(hostnames_v6_xfa_t, hostnames_v6_xfa, 0) _xfa_ ## host ## _host = { \
        .name = _xfa_ ## host ## _hostname, \
        .addr = ip, \
    };
#endif /* __cplusplus */
 
int hosts_query(const char *host_name, void *addr_out, int family);
 
#ifdef __cplusplus
}
#endif