#pragma once

#include <endian.h>

#include "sd-dhcp-client.h"

#include "sd-dhcp-server.h"

#include "sd-dhcp6-client.h"

#include "sd-ipv4ll.h"

#include "sd-lldp.h"

#include "sd-ndisc.h"

typedef struct Link Link;

typedef enum LinkState {

LINK_STATE_PENDING,

LINK_STATE_ENSLAVING,

LINK_STATE_SETTING_ADDRESSES,

LINK_STATE_SETTING_ROUTES,

LINK_STATE_CONFIGURED,

LINK_STATE_UNMANAGED,

LINK_STATE_FAILED,

LINK_STATE_LINGER,

_LINK_STATE_MAX,

_LINK_STATE_INVALID = -1

} LinkState;

typedef enum LinkOperationalState {

LINK_OPERSTATE_OFF,

LINK_OPERSTATE_NO_CARRIER,

LINK_OPERSTATE_DORMANT,

LINK_OPERSTATE_CARRIER,

LINK_OPERSTATE_DEGRADED,

LINK_OPERSTATE_ROUTABLE,

_LINK_OPERSTATE_MAX,

_LINK_OPERSTATE_INVALID = -1

} LinkOperationalState;

#include "networkd.h"

#include "networkd-network.h"

#include "networkd-address.h"

struct Link {

Manager *manager;

int n_ref;

int ifindex;

char *ifname;

char *state_file;

struct ether_addr mac;

uint32_t mtu;

struct udev_device *udev_device;

unsigned flags;

uint8_t kernel_operstate;

Network *network;

LinkState state;

LinkOperationalState operstate;

unsigned link_messages;

unsigned enslaving;

Set *addresses;

Set *addresses_foreign;

sd_dhcp_client *dhcp_client;

sd_dhcp_lease *dhcp_lease;

char *lease_file;

uint16_t original_mtu;

unsigned dhcp4_messages;

bool dhcp4_configured;

bool dhcp6_configured;

sd_ipv4ll *ipv4ll;

bool ipv4ll_address;

bool ipv4ll_route;

bool static_configured;

LIST_HEAD(Address, pool_addresses);

sd_dhcp_server *dhcp_server;

sd_ndisc *ndisc_router_discovery;

sd_dhcp6_client *dhcp6_client;

bool rtnl_extended_attrs;

sd_lldp *lldp;

char *lldp_file;

Hashmap *bound_by_links;

Hashmap *bound_to_links;

};

Link *link_unref(Link *link);

Link *link_ref(Link *link);

int link_get(Manager *m, int ifindex, Link **ret);

int link_add(Manager *manager, sd_netlink_message *message, Link **ret);

void link_drop(Link *link);

int link_address_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);

int link_route_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata);

void link_enter_failed(Link *link);

int link_initialized(Link *link, struct udev_device *device);

void link_check_ready(Link *link);

void link_update_operstate(Link *link);

int link_update(Link *link, sd_netlink_message *message);

void link_dirty(Link *link);

void link_clean(Link *link);

int link_save(Link *link);

int link_carrier_reset(Link *link);

bool link_has_carrier(Link *link);

int link_set_mtu(Link *link, uint32_t mtu);

int link_set_hostname(Link *link, const char *hostname);

int link_set_timezone(Link *link, const char *timezone);

int ipv4ll_configure(Link *link);

int dhcp4_configure(Link *link);

int dhcp6_configure(Link *link, bool information_request);

int ndisc_configure(Link *link);

bool link_lldp_enabled(Link *link);

bool link_ipv4ll_enabled(Link *link);

bool link_ipv6ll_enabled(Link *link);

bool link_dhcp4_server_enabled(Link *link);

bool link_dhcp4_enabled(Link *link);

bool link_dhcp6_enabled(Link *link);

const char* link_state_to_string(LinkState s) _const_;

LinkState link_state_from_string(const char *s) _pure_;

const char* link_operstate_to_string(LinkOperationalState s) _const_;

LinkOperationalState link_operstate_from_string(const char *s) _pure_;

extern const sd_bus_vtable link_vtable[];

int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);

int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);

int link_send_changed(Link *link, const char *property, ...) _sentinel_;

DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);

#define _cleanup_link_unref_ _cleanup_(link_unrefp)

#define log_link_full(link, level, error, ...) \

({ \

Link *_l = (link); \

_l ? log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", _l->ifname, ##__VA_ARGS__) : \

log_internal(level, error, __FILE__, __LINE__, __func__, ##__VA_ARGS__); \

}) \

#define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, 0, ##__VA_ARGS__)

#define log_link_info(link, ...) log_link_full(link, LOG_INFO, 0, ##__VA_ARGS__)

#define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, 0, ##__VA_ARGS__)

#define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, 0, ##__VA_ARGS__)

#define log_link_error(link, ...) log_link_full(link, LOG_ERR, 0, ##__VA_ARGS__)

#define log_link_debug_errno(link, error, ...) log_link_full(link, LOG_DEBUG, error, ##__VA_ARGS__)

#define log_link_info_errno(link, error, ...) log_link_full(link, LOG_INFO, error, ##__VA_ARGS__)

#define log_link_notice_errno(link, error, ...) log_link_full(link, LOG_NOTICE, error, ##__VA_ARGS__)

#define log_link_warning_errno(link, error, ...) log_link_full(link, LOG_WARNING, error, ##__VA_ARGS__)

#define log_link_error_errno(link, error, ...) log_link_full(link, LOG_ERR, error, ##__VA_ARGS__)

#define LOG_LINK_MESSAGE(link, fmt, ...) "MESSAGE=%s: " fmt, (link)->ifname, ##__VA_ARGS__

#define LOG_LINK_INTERFACE(link) "INTERFACE=%s", (link)->ifname

#define ADDRESS_FMT_VAL(address) \

be32toh((address).s_addr) >> 24, \

(be32toh((address).s_addr) >> 16) & 0xFFu, \

(be32toh((address).s_addr) >> 8) & 0xFFu, \

be32toh((address).s_addr) & 0xFFu