void avahi_client_free(AvahiClient *client) {
assert(client);
if (client->bus)
/* Disconnect in advance, so that the free() functions won't
* issue needless server calls */
#ifdef HAVE_DBUS_CONNECTION_CLOSE
dbus_connection_close(client->bus);
#else
dbus_connection_disconnect(client->bus);
#endif
while (client->groups)
avahi_entry_group_free(client->groups);
while (client->domain_browsers)
avahi_domain_browser_free(client->domain_browsers);
while (client->service_browsers)
avahi_service_browser_free(client->service_browsers);
while (client->service_type_browsers)
avahi_service_type_browser_free(client->service_type_browsers);
while (client->service_resolvers)
avahi_service_resolver_free(client->service_resolvers);
while (client->host_name_resolvers)
avahi_host_name_resolver_free(client->host_name_resolvers);
while (client->address_resolvers)
avahi_address_resolver_free(client->address_resolvers);
while (client->record_browsers)
avahi_record_browser_free(client->record_browsers);
if (client->bus)
dbus_connection_unref(client->bus);
avahi_free(client->version_string);
avahi_free(client->host_name);
avahi_free(client->host_name_fqdn);
avahi_free(client->domain_name);
avahi_free(client);
}
static void address_resolver_callback(
AvahiAddressResolver *r,
AVAHI_GCC_UNUSED AvahiIfIndex interface,
AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const AvahiAddress *a,
const char *name,
AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
AVAHI_GCC_UNUSED void *userdata) {
char address[AVAHI_ADDRESS_STR_MAX];
assert(r);
avahi_address_snprint(address, sizeof(address), a);
switch (event) {
case AVAHI_RESOLVER_FOUND:
printf("%s\t%s\n", address, name);
break;
case AVAHI_RESOLVER_FAILURE:
fprintf(stderr, _("Failed to resolve address '%s': %s\n"), address, avahi_strerror(avahi_client_errno(client)));
break;
}
avahi_address_resolver_free(r);
assert(n_resolving > 0);
n_resolving--;
if (n_resolving <= 0)
avahi_simple_poll_quit(simple_poll);
}
AvahiAddressResolver * avahi_address_resolver_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const AvahiAddress *a,
AvahiLookupFlags flags,
AvahiAddressResolverCallback callback,
void *userdata) {
DBusError error;
AvahiAddressResolver *r = NULL;
DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char *path;
char addr[AVAHI_ADDRESS_STR_MAX], *address = addr;
assert(client);
assert(a);
dbus_error_init (&error);
if (!avahi_address_snprint (addr, sizeof(addr), a)) {
avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
return NULL;
}
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(r = avahi_new(AvahiAddressResolver, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
r->client = client;
r->callback = callback;
r->userdata = userdata;
r->path = NULL;
r->interface = interface;
r->protocol = protocol;
r->address = *a;
AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &address,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_INVALID))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set(&error)) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set(&error) ||
!path) {
avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(r->path = avahi_strdup(path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return r;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (r)
avahi_address_resolver_free(r);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
