#ifndef fooserverhfoo
#define fooserverhfoo

/* $Id$ */

/***
  This file is part of avahi.
 
  avahi is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2.1 of the
  License, or (at your option) any later version.
 
  avahi is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
  Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with avahi; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#include <avahi-common/llist.h>
#include <avahi-common/watch.h>

/** A locally registered DNS resource record */
typedef struct AvahiEntry AvahiEntry;

#include "core.h"
#include "iface.h"
#include "prioq.h"
#include "timeeventq.h"
#include "announce.h"
#include "browse.h"
#include "dns.h"
#include "rrlist.h"
#include "hashmap.h"

#define AVAHI_MAX_LEGACY_UNICAST_REFLECT_SLOTS 100

typedef struct AvahiLegacyUnicastReflectSlot AvahiLegacyUnicastReflectSlot;

struct AvahiLegacyUnicastReflectSlot {
    AvahiServer *server;
    
    uint16_t id, original_id;
    AvahiAddress address;
    uint16_t port;
    int interface;
    struct timeval elapse_time;
    AvahiTimeEvent *time_event;
};

struct AvahiEntry {
    AvahiServer *server;
    AvahiSEntryGroup *group;

    int dead;
    
    AvahiEntryFlags flags;
    AvahiRecord *record;
    AvahiIfIndex interface;
    AvahiProtocol protocol;

    AVAHI_LLIST_FIELDS(AvahiEntry, entries);
    AVAHI_LLIST_FIELDS(AvahiEntry, by_key);
    AVAHI_LLIST_FIELDS(AvahiEntry, by_group);
    
    AVAHI_LLIST_HEAD(AvahiAnnouncement, announcements);
};

struct AvahiSEntryGroup {
    AvahiServer *server;
    int dead;

    AvahiEntryGroupState state;
    void* userdata;
    AvahiSEntryGroupCallback callback;

    unsigned n_probing;
    
    unsigned n_register_try;
    struct timeval register_time;
    AvahiTimeEvent *register_time_event;
    
    AVAHI_LLIST_FIELDS(AvahiSEntryGroup, groups);
    AVAHI_LLIST_HEAD(AvahiEntry, entries);
};

struct AvahiServer {
    const AvahiPoll *poll_api;
    
    AvahiInterfaceMonitor *monitor;
    AvahiServerConfig config;

    AVAHI_LLIST_HEAD(AvahiEntry, entries);
    AvahiHashmap *entries_by_key;

    AVAHI_LLIST_HEAD(AvahiSEntryGroup, groups);
    
    AVAHI_LLIST_HEAD(AvahiSRecordBrowser, record_browsers);
    AvahiHashmap *record_browser_hashmap;
    AVAHI_LLIST_HEAD(AvahiSHostNameResolver, host_name_resolvers);
    AVAHI_LLIST_HEAD(AvahiSAddressResolver, address_resolvers);
    AVAHI_LLIST_HEAD(AvahiSDomainBrowser, domain_browsers);
    AVAHI_LLIST_HEAD(AvahiSServiceTypeBrowser, service_type_browsers);
    AVAHI_LLIST_HEAD(AvahiSServiceBrowser, service_browsers);
    AVAHI_LLIST_HEAD(AvahiSServiceResolver, service_resolvers);
    AVAHI_LLIST_HEAD(AvahiSDNSServerBrowser, dns_server_browsers);

    int need_entry_cleanup, need_group_cleanup, need_browser_cleanup;
    
    AvahiTimeEventQueue *time_event_queue;
    
    char *host_name, *host_name_fqdn, *domain_name;

    int fd_ipv4, fd_ipv6,
        /* The following two sockets two are used for reflection only */
        fd_legacy_unicast_ipv4, fd_legacy_unicast_ipv6;

    AvahiWatch *watch_ipv4, *watch_ipv6,
        *watch_legacy_unicast_ipv4, *watch_legacy_unicast_ipv6;

    AvahiServerState state;
    AvahiServerCallback callback;
    void* userdata;

    AvahiSEntryGroup *hinfo_entry_group;
    AvahiSEntryGroup *browse_domain_entry_group;
    unsigned n_host_rr_pending;

    /* Used for assembling responses */
    AvahiRecordList *record_list;

    /* Used for reflection of legacy unicast packets */
    AvahiLegacyUnicastReflectSlot **legacy_unicast_reflect_slots;
    uint16_t legacy_unicast_reflect_id;

    int error;
};

int avahi_server_entry_match_interface(AvahiEntry *e, AvahiInterface *i);

void avahi_server_post_query(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiKey *key);

void avahi_server_prepare_response(AvahiServer *s, AvahiInterface *i, AvahiEntry *e, int unicast_response, int auxiliary);
void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, AvahiKey *k, int unicast_response);
void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port, int legacy_unicast, int is_probe);

void avahi_s_entry_group_change_state(AvahiSEntryGroup *g, AvahiEntryGroupState state);

int avahi_entry_is_commited(AvahiEntry *e);

void avahi_server_enumerate_aux_records(AvahiServer *s, AvahiInterface *i, AvahiRecord *r, void (*callback)(AvahiServer *s, AvahiRecord *r, int flush_cache, void* userdata), void* userdata);

void avahi_host_rr_entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void *userdata);

void avahi_server_decrease_host_rr_pending(AvahiServer *s);
void avahi_server_increase_host_rr_pending(AvahiServer *s);

int avahi_server_set_errno(AvahiServer *s, int error);

#endif