git.meshlink.io Git - catta/blob - avahi-daemon/dbus-sync-address-resolver.c

   1 /***
   2   This file is part of avahi.
   3
   4   avahi is free software; you can redistribute it and/or modify it
   5   under the terms of the GNU Lesser General Public License as
   6   published by the Free Software Foundation; either version 2.1 of the
   7   License, or (at your option) any later version.
   8
   9   avahi is distributed in the hope that it will be useful, but WITHOUT
  10   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11   or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
  12   Public License for more details.
  13
  14   You should have received a copy of the GNU Lesser General Public
  15   License along with avahi; if not, write to the Free Software
  16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  17   USA.
  18 ***/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23
  24 #include <string.h>
  25
  26 #include <avahi-common/malloc.h>
  27 #include <avahi-common/dbus.h>
  28 #include <avahi-common/error.h>
  29 #include <avahi-core/log.h>
  30
  31 #include "dbus-util.h"
  32 #include "dbus-internal.h"
  33 #include "main.h"
  34
  35 void avahi_dbus_sync_address_resolver_free(SyncAddressResolverInfo *i) {
  36     assert(i);
  37
  38     if (i->address_resolver)
  39         avahi_s_address_resolver_free(i->address_resolver);
  40     dbus_message_unref(i->message);
  41     AVAHI_LLIST_REMOVE(SyncAddressResolverInfo, sync_address_resolvers, i->client->sync_address_resolvers, i);
  42
  43     assert(i->client->n_objects >= 1);
  44     i->client->n_objects--;
  45
  46     avahi_free(i);
  47 }
  48
  49 void avahi_dbus_sync_address_resolver_callback(AvahiSAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const char *host_name, AvahiLookupResultFlags flags, void* userdata) {
  50     SyncAddressResolverInfo *i = userdata;
  51
  52     assert(r);
  53     assert(address);
  54     assert(i);
  55
  56     if (event == AVAHI_RESOLVER_FOUND) {
  57         char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
  58         int32_t i_interface, i_protocol, i_aprotocol;
  59         uint32_t u_flags;
  60         DBusMessage *reply;
  61
  62         assert(host_name);
  63         avahi_address_snprint(t, sizeof(t), address);
  64
  65         i_interface = (int32_t) interface;
  66         i_protocol = (int32_t) protocol;
  67         i_aprotocol = (int32_t) address->proto;
  68         u_flags = (uint32_t) flags;
  69
  70         reply = dbus_message_new_method_return(i->message);
  71
  72         if (!reply) {
  73             avahi_log_error("Failed allocate message");
  74             goto finish;
  75         }
  76
  77         dbus_message_append_args(
  78             reply,
  79             DBUS_TYPE_INT32, &i_interface,
  80             DBUS_TYPE_INT32, &i_protocol,
  81             DBUS_TYPE_INT32, &i_aprotocol,
  82             DBUS_TYPE_STRING, &pt,
  83             DBUS_TYPE_STRING, &host_name,
  84             DBUS_TYPE_UINT32, &u_flags,
  85             DBUS_TYPE_INVALID);
  86
  87         dbus_connection_send(server->bus, reply, NULL);
  88         dbus_message_unref(reply);
  89     } else {
  90         assert(event == AVAHI_RESOLVER_FAILURE);
  91         avahi_dbus_respond_error(server->bus, i->message, avahi_server_errno(avahi_server), NULL);
  92     }
  93
  94 finish:
  95     avahi_dbus_sync_address_resolver_free(i);
  96 }