refreshing branch to latest release.

git-svn-id: file:///home/lennart/svn/public/avahi/branches/federico@1455 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 0 insertions, 1723 deletions

diff --git a/trunk/avahi-core/server.c b/trunk/avahi-core/server.c
deleted file mode 100644
index 5bfbc50..0000000
--- a/trunk/avahi-core/server.c
+++ /dev/null
@@ -1,1723 +0,0 @@
-/* $Id$ */
-
-/***
-  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.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <string.h>
-#include <sys/utsname.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdio.h>
-#include <assert.h>
-#include <stdlib.h>
-
-#include <avahi-common/domain.h>
-#include <avahi-common/timeval.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/error.h>
-
-#include "internal.h"
-#include "iface.h"
-#include "socket.h"
-#include "browse.h"
-#include "log.h"
-#include "util.h"
-#include "dns-srv-rr.h"
-#include "addr-util.h"
-#include "domain-util.h"
-#include "rr-util.h"
-
-static void enum_aux_records(AvahiServer *s, AvahiInterface *i, const char *name, uint16_t type, void (*callback)(AvahiServer *s, AvahiRecord *r, int flush_cache, void* userdata), void* userdata) {
-    assert(s);
-    assert(i);
-    assert(name);
-    assert(callback);
-
-    if (type == AVAHI_DNS_TYPE_ANY) {
-        AvahiEntry *e;
-        
-        for (e = s->entries; e; e = e->entries_next)
-            if (!e->dead &&
-                avahi_entry_is_registered(s, e, i) &&
-                e->record->key->clazz == AVAHI_DNS_CLASS_IN &&
-                avahi_domain_equal(name, e->record->key->name))
-                callback(s, e->record, e->flags & AVAHI_PUBLISH_UNIQUE, userdata);
-
-    } else {
-        AvahiEntry *e;
-        AvahiKey *k;
-        
-        if (!(k = avahi_key_new(name, AVAHI_DNS_CLASS_IN, type)))
-            return; /** OOM */
-        
-        for (e = avahi_hashmap_lookup(s->entries_by_key, k); e; e = e->by_key_next)
-            if (!e->dead && avahi_entry_is_registered(s, e, i)) 
-                callback(s, e->record, e->flags & AVAHI_PUBLISH_UNIQUE, userdata);
-        
-        avahi_key_unref(k);
-    }
-}
-
-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) {
-    assert(s);
-    assert(i);
-    assert(r);
-    assert(callback);
-
-    /* Call the specified callback far all records referenced by the one specified in *r */
-    
-    if (r->key->clazz == AVAHI_DNS_CLASS_IN) {
-        if (r->key->type == AVAHI_DNS_TYPE_PTR) {
-            enum_aux_records(s, i, r->data.ptr.name, AVAHI_DNS_TYPE_SRV, callback, userdata);
-            enum_aux_records(s, i, r->data.ptr.name, AVAHI_DNS_TYPE_TXT, callback, userdata);
-        } else if (r->key->type == AVAHI_DNS_TYPE_SRV) {
-            enum_aux_records(s, i, r->data.srv.name, AVAHI_DNS_TYPE_A, callback, userdata);
-            enum_aux_records(s, i, r->data.srv.name, AVAHI_DNS_TYPE_AAAA, callback, userdata);
-        } else if (r->key->type == AVAHI_DNS_TYPE_CNAME)
-            enum_aux_records(s, i, r->data.cname.name, AVAHI_DNS_TYPE_ANY, callback, userdata);
-    }
-}
-
-void avahi_server_prepare_response(AvahiServer *s, AvahiInterface *i, AvahiEntry *e, int unicast_response, int auxiliary) {
-    assert(s);
-    assert(i);
-    assert(e);
-
-    avahi_record_list_push(s->record_list, e->record, e->flags & AVAHI_PUBLISH_UNIQUE, unicast_response, auxiliary);
-}
-
-void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, AvahiKey *k, int unicast_response) {
-    assert(s);
-    assert(i);
-    assert(k);
-
-    /* Push all records that match the specified key to the record list */
-
-    if (avahi_key_is_pattern(k)) {
-        AvahiEntry *e;
-
-        /* Handle ANY query */
-        
-        for (e = s->entries; e; e = e->entries_next)
-            if (!e->dead && avahi_key_pattern_match(k, e->record->key) && avahi_entry_is_registered(s, e, i))
-                avahi_server_prepare_response(s, i, e, unicast_response, 0);
-
-    } else {
-        AvahiEntry *e;
-
-        /* Handle all other queries */
-        
-        for (e = avahi_hashmap_lookup(s->entries_by_key, k); e; e = e->by_key_next)
-            if (!e->dead && avahi_entry_is_registered(s, e, i))
-                avahi_server_prepare_response(s, i, e, unicast_response, 0);
-    }
-
-    /* Look for CNAME records */
-
-    if ((k->clazz == AVAHI_DNS_CLASS_IN || k->clazz == AVAHI_DNS_CLASS_ANY)
-        && k->type != AVAHI_DNS_TYPE_CNAME && k->type != AVAHI_DNS_TYPE_ANY) {
-
-        AvahiKey *cname_key;
-
-        if (!(cname_key = avahi_key_new(k->name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_CNAME)))
-            return;
-        
-        avahi_server_prepare_matching_responses(s, i, cname_key, unicast_response);
-        avahi_key_unref(cname_key);
-    }
-}
-
-static void withdraw_entry(AvahiServer *s, AvahiEntry *e) {
-    assert(s);
-    assert(e);
-
-    /* Withdraw the specified entry, and if is part of an entry group,
-     * put that into COLLISION state */
-
-    if (e->dead)
-        return;
-    
-    if (e->group) {
-        AvahiEntry *k;
-        
-        for (k = e->group->entries; k; k = k->by_group_next) 
-            if (!k->dead) {
-                avahi_goodbye_entry(s, k, 0, 1);
-                k->dead = 1;
-            }
-
-        e->group->n_probing = 0;
-
-        avahi_s_entry_group_change_state(e->group, AVAHI_ENTRY_GROUP_COLLISION);
-    } else {
-        avahi_goodbye_entry(s, e, 0, 1);
-        e->dead = 1;
-    }
-
-    s->need_entry_cleanup = 1;
-}
-
-static void withdraw_rrset(AvahiServer *s, AvahiKey *key) {
-    AvahiEntry *e;
-    
-    assert(s);
-    assert(key);
-
-    /* Withdraw an entry RRSset */
-    
-    for (e = avahi_hashmap_lookup(s->entries_by_key, key); e; e = e->by_key_next)
-        withdraw_entry(s, e);
-}
-
-static void incoming_probe(AvahiServer *s, AvahiRecord *record, AvahiInterface *i) {
-    AvahiEntry *e, *n;
-    int ours = 0, won = 0, lost = 0;
-    
-    assert(s);
-    assert(record);
-    assert(i);
-
-    /* Handle incoming probes and check if they conflict our own probes */
-    
-    for (e = avahi_hashmap_lookup(s->entries_by_key, record->key); e; e = n) {
-        int cmp;
-        n = e->by_key_next;
-
-        if (e->dead)
-            continue;
-        
-        if ((cmp = avahi_record_lexicographical_compare(e->record, record)) == 0) {
-            ours = 1;
-            break;
-        } else {
-            
-            if (avahi_entry_is_probing(s, e, i)) {
-                if (cmp > 0)
-                    won = 1;
-                else /* cmp < 0 */
-                    lost = 1;
-            }
-        }
-    }
-
-    if (!ours) {
-        char *t = avahi_record_to_string(record);
-        
-        if (won)
-            avahi_log_debug("Recieved conflicting probe [%s]. Local host won.", t);
-        else if (lost) {
-            avahi_log_debug("Recieved conflicting probe [%s]. Local host lost. Withdrawing.", t);
-            withdraw_rrset(s, record->key);
-        }
-        
-        avahi_free(t);
-    }
-}
-
-static int handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord *record, int unique) {
-    int valid = 1, ours = 0, conflict = 0, withdraw_immediately = 0;
-    AvahiEntry *e, *n, *conflicting_entry = NULL;
-    
-    assert(s);
-    assert(i);
-    assert(record);
-
-    /* Check whether an incoming record conflicts with one of our own */
-    
-    for (e = avahi_hashmap_lookup(s->entries_by_key, record->key); e; e = n) {
-        n = e->by_key_next;
-
-        if (e->dead)
-            continue;
-
-        /* Check if the incoming is a goodbye record */
-        if (avahi_record_is_goodbye(record)) {
-
-            if (avahi_record_equal_no_ttl(e->record, record)) {
-                char *t;
-
-                /* Refresh */
-                t = avahi_record_to_string(record); 
-                avahi_log_debug("Recieved goodbye record for one of our records [%s]. Refreshing.", t);
-                avahi_server_prepare_matching_responses(s, i, e->record->key, 0);
-
-                valid = 0;
-                avahi_free(t);
-                break;
-            }
-
-            /* If the goodybe packet doesn't match one of our own RRs, we simply ignore it. */
-            continue;
-        }
-        
-        if (!(e->flags & AVAHI_PUBLISH_UNIQUE) && !unique)
-            continue;
-
-        /* Either our entry or the other is intended to be unique, so let's check */
-        
-        if (avahi_record_equal_no_ttl(e->record, record)) {
-            ours = 1; /* We have an identical record, so this is no conflict */
-            
-            /* Check wheter there is a TTL conflict */
-            if (record->ttl <= e->record->ttl/2 &&
-                avahi_entry_is_registered(s, e, i)) {
-                char *t;
-                /* Refresh */
-                t = avahi_record_to_string(record); 
-                
-                avahi_log_debug("Recieved record with bad TTL [%s]. Refreshing.", t);
-                avahi_server_prepare_matching_responses(s, i, e->record->key, 0);
-                valid = 0;
-                
-                avahi_free(t);
-            }
-                
-            /* There's no need to check the other entries of this RRset */
-            break;
-
-        } else {
-            
-            if (avahi_entry_is_registered(s, e, i)) {
-                
-                /* A conflict => we have to return to probe mode */
-                conflict = 1;
-                conflicting_entry = e;
-
-            } else if (avahi_entry_is_probing(s, e, i)) {
-
-                /* We are currently registering a matching record, but
-                 * someone else already claimed it, so let's
-                 * withdraw */
-                conflict = 1;
-                withdraw_immediately = 1;
-            }
-        }
-    }
-
-    if (!ours && conflict) {
-        char *t;
- 
-        valid = 0;
-
-        t = avahi_record_to_string(record); 
- 
-        if (withdraw_immediately) {
-            avahi_log_debug("Recieved conflicting record [%s] with local record to be. Withdrawing.", t);
-            withdraw_rrset(s, record->key);
-        } else {
-            assert(conflicting_entry);
-            avahi_log_debug("Recieved conflicting record [%s]. Resetting our record.", t);
-            avahi_entry_return_to_initial_state(s, conflicting_entry, i);
-
-            /* Local unique records are returned to probing
-             * state. Local shared records are reannounced. */
-        }
-
-        avahi_free(t);
-    }
-
-    return valid;
-}
-
-static void append_aux_callback(AvahiServer *s, AvahiRecord *r, int flush_cache, void* userdata) {
-    int *unicast_response = userdata;
-
-    assert(s);
-    assert(r);
-    assert(unicast_response);
-    
-    avahi_record_list_push(s->record_list, r, flush_cache, *unicast_response, 1);
-}
-
-static void append_aux_records_to_list(AvahiServer *s, AvahiInterface *i, AvahiRecord *r, int unicast_response) {
-    assert(s);
-    assert(r);
-
-    avahi_server_enumerate_aux_records(s, i, r, append_aux_callback, &unicast_response);
-}
-
-void avahi_server_generate_response(AvahiServer *s, AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, uint16_t port, int legacy_unicast, int immediately) {
-
-    assert(s);
-    assert(i);
-    assert(!legacy_unicast || (a && port > 0 && p));
-
-    if (legacy_unicast) {
-        AvahiDnsPacket *reply;
-        AvahiRecord *r;
-
-        if (!(reply = avahi_dns_packet_new_reply(p, 512 /* unicast DNS maximum packet size is 512 */ , 1, 1)))
-            return; /* OOM */
-        
-        while ((r = avahi_record_list_next(s->record_list, NULL, NULL, NULL))) {
-
-            append_aux_records_to_list(s, i, r, 0);
-            
-            if (avahi_dns_packet_append_record(reply, r, 0, 10))
-                avahi_dns_packet_inc_field(reply, AVAHI_DNS_FIELD_ANCOUNT);
-            else {
-                char *t = avahi_record_to_string(r);
-                avahi_log_warn("Record [%s] not fitting in legacy unicast packet, dropping.", t);
-                avahi_free(t);
-            }
-
-            avahi_record_unref(r);
-        }
-
-        if (avahi_dns_packet_get_field(reply, AVAHI_DNS_FIELD_ANCOUNT) != 0)
-            avahi_interface_send_packet_unicast(i, reply, a, port);
-
-        avahi_dns_packet_free(reply);
-
-    } else {
-        int unicast_response, flush_cache, auxiliary;
-        AvahiDnsPacket *reply = NULL;
-        AvahiRecord *r;
-
-        /* In case the query packet was truncated never respond
-        immediately, because known answer suppression records might be
-        contained in later packets */
-        int tc = p && !!(avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_FLAGS) & AVAHI_DNS_FLAG_TC);
-        
-        while ((r = avahi_record_list_next(s->record_list, &flush_cache, &unicast_response, &auxiliary))) {
-
-            int im = immediately;
-
-            /* Only send the response immediately if it contains a
-             * unique entry AND it is not in reply to a truncated
-             * packet AND it is not an auxiliary record AND all other
-             * responses for this record are unique too. */
-            
-            if (flush_cache && !tc && !auxiliary && avahi_record_list_all_flush_cache(s->record_list))
-                im = 1;
-
-            if (!avahi_interface_post_response(i, r, flush_cache, a, im) && unicast_response) {
-
-                /* Due to some reasons the record has not been scheduled.
-                 * The client requested an unicast response in that
-                 * case. Therefore we prepare such a response */
-
-                append_aux_records_to_list(s, i, r, unicast_response);
-                
-                for (;;) {
-                
-                    if (!reply) {
-                        assert(p);
-
-                        if (!(reply = avahi_dns_packet_new_reply(p, i->hardware->mtu, 0, 0)))
-                            break; /* OOM */
-                    }
-                
-                    if (avahi_dns_packet_append_record(reply, r, flush_cache, 0)) {
-
-                        /* Appending this record succeeded, so incremeant
-                         * the specific header field, and return to the caller */
-                        
-                        avahi_dns_packet_inc_field(reply, AVAHI_DNS_FIELD_ANCOUNT);
-
-                        break;
-                    }
-
-                    if (avahi_dns_packet_get_field(reply, AVAHI_DNS_FIELD_ANCOUNT) == 0) {
-                        size_t size;
-
-                        /* The record is too large for one packet, so create a larger packet */
-
-                        avahi_dns_packet_free(reply);
-                        size = avahi_record_get_estimate_size(r) + AVAHI_DNS_PACKET_HEADER_SIZE;
-                        if (size > AVAHI_DNS_PACKET_SIZE_MAX)
-                            size = AVAHI_DNS_PACKET_SIZE_MAX;
-
-                        if (!(reply = avahi_dns_packet_new_reply(p, size, 0, 1)))
-                            break; /* OOM */
-
-                        if (!avahi_dns_packet_append_record(reply, r, flush_cache, 0)) {
-                            char *t;
-                            avahi_dns_packet_free(reply);
-                            t = avahi_record_to_string(r);
-                            avahi_log_warn("Record [%s] too large, doesn't fit in any packet!", t);
-                            avahi_free(t);
-                            break;
-                        } else
-                            avahi_dns_packet_inc_field(reply, AVAHI_DNS_FIELD_ANCOUNT);
-                    }
-
-                    /* Appending the record didn't succeeed, so let's send this packet, and create a new one */
-                    avahi_interface_send_packet_unicast(i, reply, a, port);
-                    avahi_dns_packet_free(reply);
-                    reply = NULL;
-                }
-            }
-
-            avahi_record_unref(r);
-        }
-
-        if (reply) {
-            if (avahi_dns_packet_get_field(reply, AVAHI_DNS_FIELD_ANCOUNT) != 0) 
-                avahi_interface_send_packet_unicast(i, reply, a, port);
-            avahi_dns_packet_free(reply);
-        }
-    }
-
-    avahi_record_list_flush(s->record_list);
-}
-
-static void reflect_response(AvahiServer *s, AvahiInterface *i, AvahiRecord *r, int flush_cache) {
-    AvahiInterface *j;
-    
-    assert(s);
-    assert(i);
-    assert(r);
-
-    if (!s->config.enable_reflector)
-        return;
-
-    for (j = s->monitor->interfaces; j; j = j->interface_next)
-        if (j != i && (s->config.reflect_ipv || j->protocol == i->protocol))
-            avahi_interface_post_response(j, r, flush_cache, NULL, 1);
-}
-
-static void* reflect_cache_walk_callback(AvahiCache *c, AvahiKey *pattern, AvahiCacheEntry *e, void* userdata) {
-    AvahiServer *s = userdata;
-
-    assert(c);
-    assert(pattern);
-    assert(e);
-    assert(s);
-
-    avahi_record_list_push(s->record_list, e->record, e->cache_flush, 0, 0);
-    return NULL;
-}
-
-static void reflect_query(AvahiServer *s, AvahiInterface *i, AvahiKey *k) {
-    AvahiInterface *j;
-    
-    assert(s);
-    assert(i);
-    assert(k);
-
-    if (!s->config.enable_reflector)
-        return;
-
-    for (j = s->monitor->interfaces; j; j = j->interface_next)
-        if (j != i && (s->config.reflect_ipv || j->protocol == i->protocol)) {
-            /* Post the query to other networks */
-            avahi_interface_post_query(j, k, 1, NULL);
-
-            /* Reply from caches of other network. This is needed to
-             * "work around" known answer suppression. */
-
-            avahi_cache_walk(j->cache, k, reflect_cache_walk_callback, s);
-        }
-}
-
-static void reflect_probe(AvahiServer *s, AvahiInterface *i, AvahiRecord *r) {
-    AvahiInterface *j;
-    
-    assert(s);
-    assert(i);
-    assert(r);
-
-    if (!s->config.enable_reflector)
-        return;
-
-    for (j = s->monitor->interfaces; j; j = j->interface_next)
-        if (j != i && (s->config.reflect_ipv || j->protocol == i->protocol))
-            avahi_interface_post_probe(j, r, 1);
-}
-
-static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, uint16_t port, int legacy_unicast, int from_local_iface) {
-    size_t n;
-    int is_probe;
-    
-    assert(s);
-    assert(p);
-    assert(i);
-    assert(a);
-
-    assert(avahi_record_list_is_empty(s->record_list));
-
-    is_probe = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT) > 0;
-    
-    /* Handle the questions */
-    for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_QDCOUNT); n > 0; n --) {
-        AvahiKey *key;
-        int unicast_response = 0;
-
-        if (!(key = avahi_dns_packet_consume_key(p, &unicast_response))) {
-            avahi_log_warn(__FILE__": Packet too short or invalid while reading question key. (Maybe an UTF8 problem?)");
-            goto fail;
-        }
-
-        if (!legacy_unicast && !from_local_iface) {
-            reflect_query(s, i, key);
-            avahi_cache_start_poof(i->cache, key, a);
-        }
-
-        if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) == 0 &&
-            !(avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_FLAGS) & AVAHI_DNS_FLAG_TC))
-            /* Allow our own queries to be suppressed by incoming
-             * queries only when they do not include known answers */
-            avahi_query_scheduler_incoming(i->query_scheduler, key);
-        
-        avahi_server_prepare_matching_responses(s, i, key, unicast_response);
-        avahi_key_unref(key);
-    }
-
-    if (!legacy_unicast) {
-
-        /* Known Answer Suppression */
-        for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT); n > 0; n --) {
-            AvahiRecord *record;
-            int unique = 0;
-            
-            if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
-                avahi_log_warn(__FILE__": Packet too short or invalid while reading known answer record. (Maybe an UTF8 problem?)");
-                goto fail;
-            }
-            
-            if (handle_conflict(s, i, record, unique)) {
-                avahi_response_scheduler_suppress(i->response_scheduler, record, a);
-                avahi_record_list_drop(s->record_list, record);
-                avahi_cache_stop_poof(i->cache, record, a);
-            }
-            
-            avahi_record_unref(record);
-        }
-        
-        /* Probe record */
-        for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT); n > 0; n --) {
-            AvahiRecord *record;
-            int unique = 0;
-            
-            if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
-                avahi_log_warn(__FILE__": Packet too short or invalid while reading probe record. (Maybe an UTF8 problem?)");
-                goto fail;
-            }
-            
-            if (!avahi_key_is_pattern(record->key)) {
-                if (!from_local_iface)
-                    reflect_probe(s, i, record);
-                incoming_probe(s, record, i);
-            }
-            
-            avahi_record_unref(record);
-        }
-    }
-
-    if (!avahi_record_list_is_empty(s->record_list))
-        avahi_server_generate_response(s, i, p, a, port, legacy_unicast, is_probe);
-
-    return;
-    
-fail:
-    avahi_record_list_flush(s->record_list);
-}
-
-static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, int from_local_iface) {
-    unsigned n;
-    
-    assert(s);
-    assert(p);
-    assert(i);
-    assert(a);
-
-    for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) +
-             avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ARCOUNT); n > 0; n--) {
-        AvahiRecord *record;
-        int cache_flush = 0;
-/*         char *txt; */
-        
-        if (!(record = avahi_dns_packet_consume_record(p, &cache_flush))) {
-            avahi_log_warn(__FILE__": Packet too short or invalid while reading response record. (Maybe an UTF8 problem?)");
-            break;
-        }
-
-        if (!avahi_key_is_pattern(record->key)) {
-
-            if (handle_conflict(s, i, record, cache_flush)) {
-                if (!from_local_iface)
-                    reflect_response(s, i, record, cache_flush);
-                avahi_cache_update(i->cache, record, cache_flush, a);
-                avahi_response_scheduler_incoming(i->response_scheduler, record, cache_flush);
-            }
-        }
-            
-        avahi_record_unref(record);
-    }
-
-    /* If the incoming response contained a conflicting record, some
-       records have been scheduling for sending. We need to flush them
-       here. */
-    if (!avahi_record_list_is_empty(s->record_list))
-        avahi_server_generate_response(s, i, NULL, NULL, 0, 0, 1);
-}
-
-static AvahiLegacyUnicastReflectSlot* allocate_slot(AvahiServer *s) {
-    unsigned n, idx = (unsigned) -1;
-    AvahiLegacyUnicastReflectSlot *slot;
-    
-    assert(s);
-
-    if (!s->legacy_unicast_reflect_slots)
-        s->legacy_unicast_reflect_slots = avahi_new0(AvahiLegacyUnicastReflectSlot*, AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX);
-
-    for (n = 0; n < AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX; n++, s->legacy_unicast_reflect_id++) {
-        idx = s->legacy_unicast_reflect_id % AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX;
-        
-        if (!s->legacy_unicast_reflect_slots[idx])
-            break;
-    }
-
-    if (idx == (unsigned) -1 || s->legacy_unicast_reflect_slots[idx])
-        return NULL;
-
-    if (!(slot = avahi_new(AvahiLegacyUnicastReflectSlot, 1)))
-        return NULL; /* OOM */
-
-    s->legacy_unicast_reflect_slots[idx] = slot;
-    slot->id = s->legacy_unicast_reflect_id++;
-    slot->server = s;
-    
-    return slot;
-}
-
-static void deallocate_slot(AvahiServer *s, AvahiLegacyUnicastReflectSlot *slot) {
-    unsigned idx;
-
-    assert(s);
-    assert(slot);
-
-    idx = slot->id % AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX;
-
-    assert(s->legacy_unicast_reflect_slots[idx] == slot);
-
-    avahi_time_event_free(slot->time_event);
-    
-    avahi_free(slot);
-    s->legacy_unicast_reflect_slots[idx] = NULL;
-}
-
-static void free_slots(AvahiServer *s) {
-    unsigned idx;
-    assert(s);
-
-    if (!s->legacy_unicast_reflect_slots)
-        return;
-
-    for (idx = 0; idx < AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX; idx ++)
-        if (s->legacy_unicast_reflect_slots[idx])
-            deallocate_slot(s, s->legacy_unicast_reflect_slots[idx]);
-
-    avahi_free(s->legacy_unicast_reflect_slots);
-    s->legacy_unicast_reflect_slots = NULL;
-}
-
-static AvahiLegacyUnicastReflectSlot* find_slot(AvahiServer *s, uint16_t id) {
-    unsigned idx;
-    
-    assert(s);
-
-    if (!s->legacy_unicast_reflect_slots)
-        return NULL;
-    
-    idx = id % AVAHI_LEGACY_UNICAST_REFLECT_SLOTS_MAX;
-
-    if (!s->legacy_unicast_reflect_slots[idx] || s->legacy_unicast_reflect_slots[idx]->id != id)
-        return NULL;
-
-    return s->legacy_unicast_reflect_slots[idx];
-}
-
-static void legacy_unicast_reflect_slot_timeout(AvahiTimeEvent *e, void *userdata) {
-    AvahiLegacyUnicastReflectSlot *slot = userdata;
-
-    assert(e);
-    assert(slot);
-    assert(slot->time_event == e);
-
-    deallocate_slot(slot->server, slot);
-}
-
-static void reflect_legacy_unicast_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, uint16_t port) {
-    AvahiLegacyUnicastReflectSlot *slot;
-    AvahiInterface *j;
-
-    assert(s);
-    assert(p);
-    assert(i);
-    assert(a);
-    assert(port > 0);
-    assert(i->protocol == a->proto);
-    
-    if (!s->config.enable_reflector)
-        return;
-
-    /* Reflecting legacy unicast queries is a little more complicated
-       than reflecting normal queries, since we must route the
-       responses back to the right client. Therefore we must store
-       some information for finding the right client contact data for
-       response packets. In contrast to normal queries legacy
-       unicast query and response packets are reflected untouched and
-       are not reassembled into larger packets */
-
-    if (!(slot = allocate_slot(s))) {
-        /* No slot available, we drop this legacy unicast query */
-        avahi_log_warn("No slot available for legacy unicast reflection, dropping query packet.");
-        return;
-    }
-
-    slot->original_id = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ID);
-    slot->address = *a;
-    slot->port = port;
-    slot->interface = i->hardware->index;
-
-    avahi_elapse_time(&slot->elapse_time, 2000, 0);
-    slot->time_event = avahi_time_event_new(s->time_event_queue, &slot->elapse_time, legacy_unicast_reflect_slot_timeout, slot);
-
-    /* Patch the packet with our new locally generatet id */
-    avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ID, slot->id);
-    
-    for (j = s->monitor->interfaces; j; j = j->interface_next)
-        if (avahi_interface_is_relevant(j) &&
-            j != i &&
-            (s->config.reflect_ipv || j->protocol == i->protocol)) {
-
-            if (j->protocol == AVAHI_PROTO_INET && s->fd_legacy_unicast_ipv4 >= 0) {
-                avahi_send_dns_packet_ipv4(s->fd_legacy_unicast_ipv4, j->hardware->index, p, NULL, NULL, 0);
-            } else if (j->protocol == AVAHI_PROTO_INET6 && s->fd_legacy_unicast_ipv6 >= 0)
-                avahi_send_dns_packet_ipv6(s->fd_legacy_unicast_ipv6, j->hardware->index, p, NULL, NULL, 0);
-        }
-
-    /* Reset the id */
-    avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ID, slot->original_id);
-}
-
-static int originates_from_local_legacy_unicast_socket(AvahiServer *s, const AvahiAddress *address, uint16_t port) {
-    assert(s);
-    assert(address);
-    assert(port > 0);
-
-    if (!s->config.enable_reflector)
-        return 0;
-    
-    if (!avahi_address_is_local(s->monitor, address))
-        return 0;
-    
-    if (address->proto == AVAHI_PROTO_INET && s->fd_legacy_unicast_ipv4 >= 0) {
-        struct sockaddr_in lsa;
-        socklen_t l = sizeof(lsa);
-        
-        if (getsockname(s->fd_legacy_unicast_ipv4, (struct sockaddr*) &lsa, &l) != 0)
-            avahi_log_warn("getsockname(): %s", strerror(errno));
-        else
-            return lsa.sin_port == port;
-
-    }
-
-    if (address->proto == AVAHI_PROTO_INET6 && s->fd_legacy_unicast_ipv6 >= 0) {
-        struct sockaddr_in6 lsa;
-        socklen_t l = sizeof(lsa);
-
-        if (getsockname(s->fd_legacy_unicast_ipv6, (struct sockaddr*) &lsa, &l) != 0)
-            avahi_log_warn("getsockname(): %s", strerror(errno));
-        else
-            return lsa.sin6_port == port;
-    }
-
-    return 0;
-}
-
-static int is_mdns_mcast_address(const AvahiAddress *a) {
-    AvahiAddress b;
-    assert(a);
-
-    avahi_address_parse(a->proto == AVAHI_PROTO_INET ? AVAHI_IPV4_MCAST_GROUP : AVAHI_IPV6_MCAST_GROUP, a->proto, &b);
-    return avahi_address_cmp(a, &b) == 0;
-}
-
-static int originates_from_local_iface(AvahiServer *s, AvahiIfIndex iface, const AvahiAddress *a, uint16_t port) {
-    assert(s);
-    assert(iface != AVAHI_IF_UNSPEC);
-    assert(a);
-
-    /* If it isn't the MDNS port it can't be generated by us */
-    if (port != AVAHI_MDNS_PORT)
-        return 0;
-
-    return avahi_interface_has_address(s->monitor, iface, a);
-}
-
-static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const AvahiAddress *src_address, uint16_t port, const AvahiAddress *dst_address, AvahiIfIndex iface, int ttl) {
-    AvahiInterface *i;
-    int from_local_iface = 0;
-    
-    assert(s);
-    assert(p);
-    assert(src_address);
-    assert(dst_address);
-    assert(iface > 0);
-    assert(src_address->proto == dst_address->proto);
-
-    if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, src_address->proto)) ||
-        !avahi_interface_is_relevant(i)) {
-        avahi_log_warn("Recieved packet from invalid interface.");
-        return;
-    }
-
-    if (avahi_address_is_ipv4_in_ipv6(src_address))
-        /* This is an IPv4 address encapsulated in IPv6, so let's ignore it. */
-        return;
-
-    if (originates_from_local_legacy_unicast_socket(s, src_address, port))
-        /* This originates from our local reflector, so let's ignore it */
-        return;
-
-    /* We don't want to reflect local traffic, so we check if this packet is generated locally. */
-    if (s->config.enable_reflector)
-        from_local_iface = originates_from_local_iface(s, iface, src_address, port);
-
-    if (avahi_dns_packet_check_valid_multicast(p) < 0) {
-        avahi_log_warn("Recieved invalid packet.");
-        return;
-    }
-
-    if (avahi_dns_packet_is_query(p)) {
-        int legacy_unicast = 0;
-
-        if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ARCOUNT) != 0) {
-            avahi_log_warn("Invalid query packet.");
-            return;
-        }
-
-        if (port != AVAHI_MDNS_PORT) {
-            /* Legacy Unicast */
-
-            if ((avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) != 0 ||
-                 avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT) != 0)) {
-                avahi_log_warn("Invalid legacy unicast query packet.");
-                return;
-            }
-        
-            legacy_unicast = 1;
-        }
-
-        if (legacy_unicast)
-            reflect_legacy_unicast_query_packet(s, p, i, src_address, port);
-        
-        handle_query_packet(s, p, i, src_address, port, legacy_unicast, from_local_iface);
-        
-    } else {
-        if (port != AVAHI_MDNS_PORT) {
-            avahi_log_warn("Recieved repsonse with invalid source port %u on interface '%s.%i'", port, i->hardware->name, i->protocol);
-            return;
-        }
-
-        if (ttl != 255 && s->config.check_response_ttl) {
-            avahi_log_warn("Recieved response with invalid TTL %u on interface '%s.%i'.", ttl, i->hardware->name, i->protocol);
-            return;
-        }
-
-        if (!is_mdns_mcast_address(dst_address) &&
-            !avahi_interface_address_on_link(i, src_address)) {
-            avahi_log_warn("Received non-local response on interface '%s.%i'.", i->hardware->name, i->protocol);
-            return;
-        }
-        
-        if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_QDCOUNT) != 0 ||
-            avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) == 0 ||
-            avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT) != 0) {
-            avahi_log_warn("Invalid response packet.");
-            return;
-        }
-
-        handle_response_packet(s, p, i, src_address, from_local_iface);
-    }
-}
-
-static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p) {
-    AvahiInterface *j;
-    AvahiLegacyUnicastReflectSlot *slot;
-    
-    assert(s);
-    assert(p);
-
-    if (avahi_dns_packet_check_valid(p) < 0 || avahi_dns_packet_is_query(p)) {
-        avahi_log_warn("Recieved invalid packet.");
-        return;
-    }
-
-    if (!(slot = find_slot(s, avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ID)))) {
-        avahi_log_warn("Recieved legacy unicast response with unknown id");
-        return;
-    }
-
-    if (!(j = avahi_interface_monitor_get_interface(s->monitor, slot->interface, slot->address.proto)) ||
-        !avahi_interface_is_relevant(j))
-        return;
-
-    /* Patch the original ID into this response */
-    avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ID, slot->original_id);
-
-    /* Forward the response to the correct client */
-    avahi_interface_send_packet_unicast(j, p, &slot->address, slot->port);
-
-    /* Undo changes to packet */
-    avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ID, slot->id);
-}
-
-static void cleanup_dead(AvahiServer *s) {
-    assert(s);
-    
-    avahi_cleanup_dead_entries(s);
-    avahi_browser_cleanup(s);
-}
-
-static void mcast_socket_event(AvahiWatch *w, int fd, AvahiWatchEvent events, void *userdata) {
-    AvahiServer *s = userdata;
-    AvahiAddress dest, src;
-    AvahiDnsPacket *p = NULL;
-    AvahiIfIndex iface;
-    uint16_t port;
-    uint8_t ttl;
-
-    assert(w);
-    assert(fd >= 0);
-    assert(events & AVAHI_WATCH_IN);
-    
-    if (fd == s->fd_ipv4) {
-        dest.proto = src.proto = AVAHI_PROTO_INET;
-        p = avahi_recv_dns_packet_ipv4(s->fd_ipv4, &src.data.ipv4, &port, &dest.data.ipv4, &iface, &ttl);
-    } else {
-        assert(fd == s->fd_ipv6);
-        dest.proto = src.proto = AVAHI_PROTO_INET6;
-        p = avahi_recv_dns_packet_ipv6(s->fd_ipv6, &src.data.ipv6, &port, &dest.data.ipv6, &iface, &ttl);
-    }
-        
-    if (p) {
-        if (iface == AVAHI_IF_UNSPEC) 
-            iface = avahi_find_interface_for_address(s->monitor, &dest);
-        
-        if (iface != AVAHI_IF_UNSPEC)
-            dispatch_packet(s, p, &src, port, &dest, iface, ttl);
-        else
-            avahi_log_error("Incoming packet recieved on address that isn't local.");
-
-        avahi_dns_packet_free(p);
-
-        cleanup_dead(s);
-    }
-}
-
-static void legacy_unicast_socket_event(AvahiWatch *w, int fd, AvahiWatchEvent events, void *userdata) {
-    AvahiServer *s = userdata;
-    AvahiDnsPacket *p = NULL;
-
-    assert(w);
-    assert(fd >= 0);
-    assert(events & AVAHI_WATCH_IN);
-    
-    if (fd == s->fd_legacy_unicast_ipv4)
-        p = avahi_recv_dns_packet_ipv4(s->fd_legacy_unicast_ipv4, NULL, NULL, NULL, NULL, NULL);
-    else {
-        assert(fd == s->fd_legacy_unicast_ipv6);
-        p = avahi_recv_dns_packet_ipv6(s->fd_legacy_unicast_ipv6, NULL, NULL, NULL, NULL, NULL);
-    }
-
-    if (p) {
-        dispatch_legacy_unicast_packet(s, p);
-        avahi_dns_packet_free(p);
-
-        cleanup_dead(s);
-    }
-}
-
-static void server_set_state(AvahiServer *s, AvahiServerState state) {
-    assert(s);
-
-    if (s->state == state)
-        return;
-    
-    s->state = state;
-
-    avahi_interface_monitor_update_rrs(s->monitor, 0);
-    
-    if (s->callback)
-        s->callback(s, state, s->userdata);
-}
-
-static void withdraw_host_rrs(AvahiServer *s) {
-    assert(s);
-
-    if (s->hinfo_entry_group)
-        avahi_s_entry_group_reset(s->hinfo_entry_group);
-
-    if (s->browse_domain_entry_group)
-        avahi_s_entry_group_reset(s->browse_domain_entry_group);
-
-    avahi_interface_monitor_update_rrs(s->monitor, 1);
-    s->n_host_rr_pending = 0;
-}
-
-void avahi_server_decrease_host_rr_pending(AvahiServer *s) {
-    assert(s);
-    
-    assert(s->n_host_rr_pending > 0);
-
-    if (--s->n_host_rr_pending == 0)
-        server_set_state(s, AVAHI_SERVER_RUNNING);
-}
-
-void avahi_host_rr_entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, AVAHI_GCC_UNUSED void *userdata) {
-    assert(s);
-    assert(g);
-
-    if (state == AVAHI_ENTRY_GROUP_REGISTERING &&
-        s->state == AVAHI_SERVER_REGISTERING)
-        s->n_host_rr_pending ++;
-    
-    else if (state == AVAHI_ENTRY_GROUP_COLLISION &&
-        (s->state == AVAHI_SERVER_REGISTERING || s->state == AVAHI_SERVER_RUNNING)) {
-        withdraw_host_rrs(s);
-        server_set_state(s, AVAHI_SERVER_COLLISION);
-        
-    } else if (state == AVAHI_ENTRY_GROUP_ESTABLISHED &&
-               s->state == AVAHI_SERVER_REGISTERING)
-        avahi_server_decrease_host_rr_pending(s);
-}
-
-static void register_hinfo(AvahiServer *s) {
-    struct utsname utsname;
-    AvahiRecord *r;
-    
-    assert(s);
-    
-    if (!s->config.publish_hinfo)
-        return;
-
-    if (s->hinfo_entry_group)
-        assert(avahi_s_entry_group_is_empty(s->hinfo_entry_group));
-    else
-        s->hinfo_entry_group = avahi_s_entry_group_new(s, avahi_host_rr_entry_group_callback, NULL);
-
-    if (!s->hinfo_entry_group) {
-        avahi_log_warn("Failed to create HINFO entry group: %s", avahi_strerror(s->error));
-        return;
-    }
-    
-    /* Fill in HINFO rr */
-    if ((r = avahi_record_new_full(s->host_name_fqdn, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, AVAHI_DEFAULT_TTL_HOST_NAME))) {
-
-        if (uname(&utsname) < 0)
-            avahi_log_warn("uname() failed: %s\n", avahi_strerror(errno));
-        else {
-            
-            r->data.hinfo.cpu = avahi_strdup(avahi_strup(utsname.machine));
-            r->data.hinfo.os = avahi_strdup(avahi_strup(utsname.sysname));
-            
-            avahi_log_info("Registering HINFO record with values '%s'/'%s'.", r->data.hinfo.cpu, r->data.hinfo.os);
-            
-            if (avahi_server_add(s, s->hinfo_entry_group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_UNIQUE, r) < 0) {
-                avahi_log_warn("Failed to add HINFO RR: %s", avahi_strerror(s->error));
-                return;
-            }
-        }
-
-        avahi_record_unref(r);
-    }
-
-    if (avahi_s_entry_group_commit(s->hinfo_entry_group) < 0)
-        avahi_log_warn("Failed to commit HINFO entry group: %s", avahi_strerror(s->error));
-
-}
-
-static void register_localhost(AvahiServer *s) {
-    AvahiAddress a;
-    assert(s);
-    
-    /* Add localhost entries */
-    avahi_address_parse("127.0.0.1", AVAHI_PROTO_INET, &a);
-    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_NO_PROBE|AVAHI_PUBLISH_NO_ANNOUNCE, "localhost", &a);
-
-    avahi_address_parse("::1", AVAHI_PROTO_INET6, &a);
-    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_NO_PROBE|AVAHI_PUBLISH_NO_ANNOUNCE, "ip6-localhost", &a);
-}
-
-static void register_browse_domain(AvahiServer *s) {
-    assert(s);
-
-    if (!s->config.publish_domain)
-        return;
-
-    if (avahi_domain_equal(s->domain_name, "local"))
-        return;
-
-    if (s->browse_domain_entry_group)
-        assert(avahi_s_entry_group_is_empty(s->browse_domain_entry_group));
-    else
-        s->browse_domain_entry_group = avahi_s_entry_group_new(s, NULL, NULL);
-
-    if (!s->browse_domain_entry_group) {
-        avahi_log_warn("Failed to create browse domain entry group: %s", avahi_strerror(s->error));
-        return;
-    }
-    
-    if (avahi_server_add_ptr(s, s->browse_domain_entry_group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, AVAHI_DEFAULT_TTL, "b._dns-sd._udp.local", s->domain_name) < 0) {
-        avahi_log_warn("Failed to add browse domain RR: %s", avahi_strerror(s->error));
-        return;
-    }
-
-    if (avahi_s_entry_group_commit(s->browse_domain_entry_group) < 0)
-        avahi_log_warn("Failed to commit browse domain entry group: %s", avahi_strerror(s->error));
-}
-
-static void register_stuff(AvahiServer *s) {
-    assert(s);
-
-    server_set_state(s, AVAHI_SERVER_REGISTERING);
-    s->n_host_rr_pending ++; /** Make sure that the state isn't changed tp AVAHI_SERVER_RUNNING too early */
-
-    register_hinfo(s);
-    register_browse_domain(s);
-    avahi_interface_monitor_update_rrs(s->monitor, 0);
-
-    s->n_host_rr_pending --;
-    
-    if (s->n_host_rr_pending == 0)
-        server_set_state(s, AVAHI_SERVER_RUNNING);
-}
-
-static void update_fqdn(AvahiServer *s) {
-    char *n;
-    
-    assert(s);
-    assert(s->host_name);
-    assert(s->domain_name);
-
-    if (!(n = avahi_strdup_printf("%s.%s", s->host_name, s->domain_name)))
-        return; /* OOM */
-
-    avahi_free(s->host_name_fqdn);
-    s->host_name_fqdn = n;
-}
-
-int avahi_server_set_host_name(AvahiServer *s, const char *host_name) {
-    char *hn = NULL;
-    assert(s);
-    
-    AVAHI_CHECK_VALIDITY(s, !host_name || avahi_is_valid_host_name(host_name), AVAHI_ERR_INVALID_HOST_NAME);
-
-    if (!host_name) {
-        hn = avahi_get_host_name_strdup();
-        hn[strcspn(hn, ".")] = 0;
-        host_name = hn;
-    }
-
-    if (avahi_domain_equal(s->host_name, host_name) && s->state != AVAHI_SERVER_COLLISION) {
-        avahi_free(hn);
-        return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE);
-    }
-    
-    withdraw_host_rrs(s);
-
-    avahi_free(s->host_name);
-    s->host_name = hn ? hn : avahi_strdup(host_name);
-    
-    update_fqdn(s);
-
-    register_stuff(s);
-    return AVAHI_OK;
-}
-
-int avahi_server_set_domain_name(AvahiServer *s, const char *domain_name) {
-    char *dn = NULL;
-    assert(s);
-
-    AVAHI_CHECK_VALIDITY(s, !domain_name || avahi_is_valid_domain_name(domain_name), AVAHI_ERR_INVALID_DOMAIN_NAME);
-
-    if (!domain_name) {
-        dn = avahi_strdup("local");
-        domain_name = dn;
-    }
-    
-    if (avahi_domain_equal(s->domain_name, domain_name)) {
-        avahi_free(dn);
-        return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE);
-    }
-
-    withdraw_host_rrs(s);
-
-    avahi_free(s->domain_name);
-    s->domain_name = avahi_normalize_name_strdup(domain_name);
-    update_fqdn(s);
-
-    register_stuff(s);
-
-    avahi_free(dn);
-    return AVAHI_OK;
-}
-
-static int valid_server_config(const AvahiServerConfig *sc) {
-
-    if (sc->host_name && !avahi_is_valid_host_name(sc->host_name))
-        return AVAHI_ERR_INVALID_HOST_NAME;
-    
-    if (sc->domain_name && !avahi_is_valid_domain_name(sc->domain_name))
-        return AVAHI_ERR_INVALID_DOMAIN_NAME;
-
-    return AVAHI_OK;
-}
-
-static int setup_sockets(AvahiServer *s) {
-    assert(s);
-    
-    s->fd_ipv4 = s->config.use_ipv4 ? avahi_open_socket_ipv4(s->config.disallow_other_stacks) : -1;
-    s->fd_ipv6 = s->config.use_ipv6 ? avahi_open_socket_ipv6(s->config.disallow_other_stacks) : -1;
-    
-    if (s->fd_ipv6 < 0 && s->fd_ipv4 < 0)
-        return AVAHI_ERR_NO_NETWORK;
-
-    if (s->fd_ipv4 < 0 && s->config.use_ipv4)
-        avahi_log_notice("Failed to create IPv4 socket, proceeding in IPv6 only mode");
-    else if (s->fd_ipv6 < 0 && s->config.use_ipv6)
-        avahi_log_notice("Failed to create IPv6 socket, proceeding in IPv4 only mode");
-
-    s->fd_legacy_unicast_ipv4 = s->fd_ipv4 >= 0 && s->config.enable_reflector ? avahi_open_unicast_socket_ipv4() : -1;
-    s->fd_legacy_unicast_ipv6 = s->fd_ipv6 >= 0 && s->config.enable_reflector ? avahi_open_unicast_socket_ipv6() : -1;
-    
-    s->watch_ipv4 =
-        s->watch_ipv6 =
-        s->watch_legacy_unicast_ipv4 =
-        s->watch_legacy_unicast_ipv6 = NULL;
-    
-    if (s->fd_ipv4 >= 0)
-        s->watch_ipv4 = s->poll_api->watch_new(s->poll_api, s->fd_ipv4, AVAHI_WATCH_IN, mcast_socket_event, s);
-    if (s->fd_ipv6 >= 0)
-        s->watch_ipv6 = s->poll_api->watch_new(s->poll_api, s->fd_ipv6, AVAHI_WATCH_IN, mcast_socket_event, s);
-    
-    if (s->fd_legacy_unicast_ipv4 >= 0)
-        s->watch_legacy_unicast_ipv4 = s->poll_api->watch_new(s->poll_api, s->fd_legacy_unicast_ipv4, AVAHI_WATCH_IN, legacy_unicast_socket_event, s);
-    if (s->fd_legacy_unicast_ipv6 >= 0)
-        s->watch_legacy_unicast_ipv6 = s->poll_api->watch_new(s->poll_api, s->fd_legacy_unicast_ipv6, AVAHI_WATCH_IN, legacy_unicast_socket_event, s);
-            
-    return 0;
-}
-
-AvahiServer *avahi_server_new(const AvahiPoll *poll_api, const AvahiServerConfig *sc, AvahiServerCallback callback, void* userdata, int *error) {
-    AvahiServer *s;
-    int e;
-    
-    if (sc && (e = valid_server_config(sc)) < 0) {
-        if (error)
-            *error = e;
-        return NULL;
-    }
-    
-    if (!(s = avahi_new(AvahiServer, 1))) {
-        if (error)
-            *error = AVAHI_ERR_NO_MEMORY;
-
-        return NULL;
-    }
-
-    s->poll_api = poll_api;
-
-    if (sc)
-        avahi_server_config_copy(&s->config, sc);
-    else
-        avahi_server_config_init(&s->config);
-
-    if ((e = setup_sockets(s)) < 0) {
-        if (error)
-            *error = e;
-
-        avahi_server_config_free(&s->config);
-        avahi_free(s);
-        
-        return NULL;
-    }
-    
-    s->n_host_rr_pending = 0;
-    s->need_entry_cleanup = 0;
-    s->need_group_cleanup = 0;
-    s->need_browser_cleanup = 0;
-    s->hinfo_entry_group = NULL;
-    s->browse_domain_entry_group = NULL;
-    s->error = AVAHI_OK;
-    s->state = AVAHI_SERVER_INVALID;
-
-    s->callback = callback;
-    s->userdata = userdata;
-
-    s->time_event_queue = avahi_time_event_queue_new(poll_api);
-
-    s->entries_by_key = avahi_hashmap_new((AvahiHashFunc) avahi_key_hash, (AvahiEqualFunc) avahi_key_equal, NULL, NULL);
-    AVAHI_LLIST_HEAD_INIT(AvahiEntry, s->entries);
-    AVAHI_LLIST_HEAD_INIT(AvahiGroup, s->groups);
-
-    s->record_browser_hashmap = avahi_hashmap_new((AvahiHashFunc) avahi_key_hash, (AvahiEqualFunc) avahi_key_equal, NULL, NULL);
-    AVAHI_LLIST_HEAD_INIT(AvahiSRecordBrowser, s->record_browsers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSHostNameResolver, s->host_name_resolvers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSAddressResolver, s->address_resolvers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSDomainBrowser, s->domain_browsers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSServiceTypeBrowser, s->service_type_browsers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSServiceBrowser, s->service_browsers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSServiceResolver, s->service_resolvers);
-    AVAHI_LLIST_HEAD_INIT(AvahiSDNSServerBrowser, s->dns_server_browsers);
-
-    s->legacy_unicast_reflect_slots = NULL;
-    s->legacy_unicast_reflect_id = 0;
-
-    s->record_list = avahi_record_list_new();
-    
-    /* Get host name */
-    s->host_name = s->config.host_name ? avahi_normalize_name_strdup(s->config.host_name) : avahi_get_host_name_strdup();
-    s->host_name[strcspn(s->host_name, ".")] = 0;
-    s->domain_name = s->config.domain_name ? avahi_normalize_name_strdup(s->config.domain_name) : avahi_strdup("local");
-    s->host_name_fqdn = NULL;
-    update_fqdn(s);
-
-    do {
-        s->local_service_cookie = (uint32_t) rand() * (uint32_t) rand();
-    } while (s->local_service_cookie == AVAHI_SERVICE_COOKIE_INVALID);
-
-    if (s->config.enable_wide_area) {
-        s->wide_area_lookup_engine = avahi_wide_area_engine_new(s);
-        avahi_wide_area_set_servers(s->wide_area_lookup_engine, s->config.wide_area_servers, s->config.n_wide_area_servers);
-    } else
-        s->wide_area_lookup_engine = NULL;
-
-    s->multicast_lookup_engine = avahi_multicast_lookup_engine_new(s);
-    
-    s->monitor = avahi_interface_monitor_new(s);
-    avahi_interface_monitor_sync(s->monitor);
-
-    register_localhost(s);
-    register_stuff(s);
-    
-    return s;
-}
-
-void avahi_server_free(AvahiServer* s) {
-    assert(s);
-
-    /* Remove all browsers */
-
-    while (s->dns_server_browsers)
-        avahi_s_dns_server_browser_free(s->dns_server_browsers);
-    while (s->host_name_resolvers)
-        avahi_s_host_name_resolver_free(s->host_name_resolvers);
-    while (s->address_resolvers)
-        avahi_s_address_resolver_free(s->address_resolvers);
-    while (s->domain_browsers)
-        avahi_s_domain_browser_free(s->domain_browsers);
-    while (s->service_type_browsers)
-        avahi_s_service_type_browser_free(s->service_type_browsers);
-    while (s->service_browsers)
-        avahi_s_service_browser_free(s->service_browsers);
-    while (s->service_resolvers)
-        avahi_s_service_resolver_free(s->service_resolvers);
-    while (s->record_browsers)
-        avahi_s_record_browser_destroy(s->record_browsers);
-    
-    /* Remove all locally rgeistered stuff */
-
-    while(s->entries)
-        avahi_entry_free(s, s->entries);
-
-    avahi_interface_monitor_free(s->monitor);
-
-    while (s->groups)
-        avahi_entry_group_free(s, s->groups);
-
-    free_slots(s);
-
-    avahi_hashmap_free(s->entries_by_key);
-    avahi_record_list_free(s->record_list);
-    avahi_hashmap_free(s->record_browser_hashmap);
-
-    if (s->wide_area_lookup_engine)
-        avahi_wide_area_engine_free(s->wide_area_lookup_engine);
-    avahi_multicast_lookup_engine_free(s->multicast_lookup_engine);
-
-    avahi_time_event_queue_free(s->time_event_queue);
-    
-    /* Free watches */
-    
-    if (s->watch_ipv4)
-        s->poll_api->watch_free(s->watch_ipv4);
-    if (s->watch_ipv6)
-        s->poll_api->watch_free(s->watch_ipv6);
-    
-    if (s->watch_legacy_unicast_ipv4)
-        s->poll_api->watch_free(s->watch_legacy_unicast_ipv4);
-    if (s->watch_legacy_unicast_ipv6)
-        s->poll_api->watch_free(s->watch_legacy_unicast_ipv6);
-
-    /* Free sockets */
-    
-    if (s->fd_ipv4 >= 0)
-        close(s->fd_ipv4);
-    if (s->fd_ipv6 >= 0)
-        close(s->fd_ipv6);
-    
-    if (s->fd_legacy_unicast_ipv4 >= 0)
-        close(s->fd_legacy_unicast_ipv4);
-    if (s->fd_legacy_unicast_ipv6 >= 0)
-        close(s->fd_legacy_unicast_ipv6);
-    
-    /* Free other stuff */
-    
-    avahi_free(s->host_name);
-    avahi_free(s->domain_name);
-    avahi_free(s->host_name_fqdn);
-
-    avahi_server_config_free(&s->config);
-
-    avahi_free(s);
-}
-
-const char* avahi_server_get_domain_name(AvahiServer *s) {
-    assert(s);
-
-    return s->domain_name;
-}
-
-const char* avahi_server_get_host_name(AvahiServer *s) {
-    assert(s);
-
-    return s->host_name;
-}
-
-const char* avahi_server_get_host_name_fqdn(AvahiServer *s) {
-    assert(s);
-
-    return s->host_name_fqdn;
-}
-
-void* avahi_server_get_data(AvahiServer *s) {
-    assert(s);
-
-    return s->userdata;
-}
-
-void avahi_server_set_data(AvahiServer *s, void* userdata) {
-    assert(s);
-
-    s->userdata = userdata;
-}
-
-AvahiServerState avahi_server_get_state(AvahiServer *s) {
-    assert(s);
-
-    return s->state;
-}
-
-AvahiServerConfig* avahi_server_config_init(AvahiServerConfig *c) {
-    assert(c);
-
-    memset(c, 0, sizeof(AvahiServerConfig));
-    c->use_ipv6 = 1;
-    c->use_ipv4 = 1;
-    c->host_name = NULL;
-    c->domain_name = NULL;
-    c->check_response_ttl = 0;
-    c->publish_hinfo = 1;
-    c->publish_addresses = 1;
-    c->publish_workstation = 1;
-    c->publish_domain = 1;
-    c->use_iff_running = 0;
-    c->enable_reflector = 0;
-    c->reflect_ipv = 0;
-    c->add_service_cookie = 1;
-    c->enable_wide_area = 0;
-    c->n_wide_area_servers = 0;
-    c->disallow_other_stacks = 0;
-    c->browse_domains = NULL;
-    c->disable_publishing = 0;
-    c->allow_point_to_point = 0;
-    
-    return c;
-}
-
-void avahi_server_config_free(AvahiServerConfig *c) {
-    assert(c);
-
-    avahi_free(c->host_name);
-    avahi_free(c->domain_name);
-    avahi_string_list_free(c->browse_domains);
-}
-
-AvahiServerConfig* avahi_server_config_copy(AvahiServerConfig *ret, const AvahiServerConfig *c) {
-    char *d = NULL, *h = NULL;
-    AvahiStringList *l = NULL;
-    assert(ret);
-    assert(c);
-
-    if (c->host_name)
-        if (!(h = avahi_strdup(c->host_name)))
-            return NULL;
-
-    if (c->domain_name)
-        if (!(d = avahi_strdup(c->domain_name))) {
-            avahi_free(h);
-            return NULL;
-        }
-
-    if (!(l = avahi_string_list_copy(c->browse_domains)) && c->browse_domains) {
-        avahi_free(h);
-        avahi_free(d);
-        return NULL;
-    }
-    
-    *ret = *c;
-    ret->host_name = h;
-    ret->domain_name = d;
-    ret->browse_domains = l;
-
-    return ret;
-}
-
-int avahi_server_errno(AvahiServer *s) {
-    assert(s);
-    
-    return s->error;
-}
-
-/* Just for internal use */
-int avahi_server_set_errno(AvahiServer *s, int error) {
-    assert(s);
-
-    return s->error = error;
-}
-
-uint32_t avahi_server_get_local_service_cookie(AvahiServer *s) {
-    assert(s);
-
-    return s->local_service_cookie;
-}
-
-static AvahiEntry *find_entry(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiKey *key) {
-    AvahiEntry *e;
-    
-    assert(s);
-    assert(key);
-
-    for (e = avahi_hashmap_lookup(s->entries_by_key, key); e; e = e->by_key_next)
-
-        if ((e->interface == interface || e->interface <= 0 || interface <= 0) &&
-            (e->protocol == protocol || e->protocol == AVAHI_PROTO_UNSPEC || protocol == AVAHI_PROTO_UNSPEC) &&
-            (!e->group || e->group->state == AVAHI_ENTRY_GROUP_ESTABLISHED || e->group->state == AVAHI_ENTRY_GROUP_REGISTERING))
-
-            return e;
-
-    return NULL;
-}
-
-int avahi_server_get_group_of_service(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain, AvahiSEntryGroup** ret_group) {
-    AvahiKey *key = NULL;
-    AvahiEntry *e;
-    int ret;
-    char n[AVAHI_DOMAIN_NAME_MAX];
-    
-    assert(s);
-    assert(name);
-    assert(type);
-    assert(ret_group);
-
-    AVAHI_CHECK_VALIDITY(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
-    AVAHI_CHECK_VALIDITY(s, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL);
-    AVAHI_CHECK_VALIDITY(s, avahi_is_valid_service_name(name), AVAHI_ERR_INVALID_SERVICE_NAME);
-    AVAHI_CHECK_VALIDITY(s, avahi_is_valid_service_type_strict(type), AVAHI_ERR_INVALID_SERVICE_TYPE);
-    AVAHI_CHECK_VALIDITY(s, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
-
-    if ((ret = avahi_service_name_join(n, sizeof(n), name, type, domain) < 0))
-        return avahi_server_set_errno(s, ret);
-        
-    if (!(key = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV)))
-        return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
-
-    e = find_entry(s, interface, protocol, key);
-    avahi_key_unref(key);
-
-    if (e) {
-        *ret_group = e->group;
-        return AVAHI_OK;
-    }
-
-    return avahi_server_set_errno(s, AVAHI_ERR_NOT_FOUND);
-}
-
-int avahi_server_is_service_local(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, const char *name) {
-    AvahiKey *key = NULL;
-    AvahiEntry *e;
-
-    assert(s);
-    assert(name);
-
-    if (!s->host_name_fqdn)
-        return 0;
-    
-    if (!(key = avahi_key_new(name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV)))
-        return 0;
-
-    e = find_entry(s, interface, protocol, key);
-    avahi_key_unref(key);
-
-    if (!e)
-        return 0;
-    
-    return avahi_domain_equal(s->host_name_fqdn, e->record->data.srv.name);
-}
-
-int avahi_server_is_record_local(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiRecord *record) {
-    AvahiEntry *e;
-
-    assert(s);
-    assert(record);
-    
-    for (e = avahi_hashmap_lookup(s->entries_by_key, record->key); e; e = e->by_key_next)
-
-        if ((e->interface == interface || e->interface <= 0 || interface <= 0) &&
-            (e->protocol == protocol || e->protocol == AVAHI_PROTO_UNSPEC || protocol == AVAHI_PROTO_UNSPEC) &&
-            (!e->group || e->group->state == AVAHI_ENTRY_GROUP_ESTABLISHED || e->group->state == AVAHI_ENTRY_GROUP_REGISTERING) &&
-            avahi_record_equal_no_ttl(record, e->record))
-            return 1;
-
-    return 0;
-}
-
-/** Set the wide area DNS servers */
-int avahi_server_set_wide_area_servers(AvahiServer *s, const AvahiAddress *a, unsigned n) {
-    assert(s);
-
-    if (!s->wide_area_lookup_engine)
-        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_CONFIG);
-
-    avahi_wide_area_set_servers(s->wide_area_lookup_engine, a, n);
-    return AVAHI_OK;
-}