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path: root/src/modules/localip/option.h
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#pragma once

#include "common/option.h"

typedef enum FF_A_PACKED FFLocalIpType {
    FF_LOCALIP_TYPE_NONE,
    FF_LOCALIP_TYPE_LOOP_BIT = 1 << 0,
    FF_LOCALIP_TYPE_IPV4_BIT = 1 << 1,
    FF_LOCALIP_TYPE_IPV6_BIT = 1 << 2,
    FF_LOCALIP_TYPE_MAC_BIT = 1 << 3,
    FF_LOCALIP_TYPE_PREFIX_LEN_BIT = 1 << 4,
    FF_LOCALIP_TYPE_MTU_BIT = 1 << 5,
    FF_LOCALIP_TYPE_SPEED_BIT = 1 << 6,
    FF_LOCALIP_TYPE_FLAGS_BIT = 1 << 7,

    FF_LOCALIP_TYPE_COMPACT_BIT = 1 << 10,
    FF_LOCALIP_TYPE_DEFAULT_ROUTE_ONLY_BIT = 1 << 11,
    FF_LOCALIP_TYPE_ALL_IPS_BIT = 1 << 12,
    FF_LOCALIP_TYPE_FORCE_UNSIGNED = UINT16_MAX,
} FFLocalIpType;
static_assert(sizeof(FFLocalIpType) == sizeof(uint16_t), "");

typedef enum FF_A_PACKED FFLocalIpIpv6Type {
    FF_LOCALIP_IPV6_TYPE_NONE = 0b00000000,
    FF_LOCALIP_IPV6_TYPE_GUA_BIT = 0b00000001,
    FF_LOCALIP_IPV6_TYPE_ULA_BIT = 0b00000010,
    FF_LOCALIP_IPV6_TYPE_LLA_BIT = 0b00000100,
    FF_LOCALIP_IPV6_TYPE_UNKNOWN_BIT = 0b00001000,   // IPv4-mapped, loopback, etc.
    FF_LOCALIP_IPV6_TYPE_SECONDARY_BIT = 0b01000000, // Temporary, duplicated, etc.
    FF_LOCALIP_IPV6_TYPE_PREFERRED_BIT = 0b10000000, // PREFER_SOURCE (manually set)
    FF_LOCALIP_IPV6_TYPE_TYPE_MASK = 0b00011111,
    FF_LOCALIP_IPV6_TYPE_AUTO = 0b11111111, // Used for detect option
} FFLocalIpIpv6Type;
static_assert(sizeof(FFLocalIpIpv6Type) == sizeof(uint8_t), "");

typedef struct FFLocalIpOptions {
    FFModuleArgs moduleArgs;

    FFLocalIpType showType;
    FFLocalIpIpv6Type ipv6Type;
    FFstrbuf namePrefix;
} FFLocalIpOptions;

static_assert(sizeof(FFLocalIpOptions) <= FF_OPTION_MAX_SIZE, "FFLocalIpOptions size exceeds maximum allowed size");