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 defer_timeout_callback(AvahiTimeout *t, void *userdata) {
AvahiDomainBrowser *db = userdata;
AvahiStringList *l;
assert(t);
db->client->poll_api->timeout_free(db->defer_timeout);
db->defer_timeout = NULL;
domain_browser_ref(db);
for (l = db->static_browse_domains; l; l = l->next) {
if (db->ref <= 1)
break;
db->callback(db, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_BROWSER_NEW, (char*) l->text, AVAHI_LOOKUP_RESULT_STATIC, db->userdata);
}
avahi_domain_browser_free(db);
}
AvahiDomainBrowser* avahi_domain_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *domain,
AvahiDomainBrowserType btype,
AvahiLookupFlags flags,
AvahiDomainBrowserCallback callback,
void *userdata) {
AvahiDomainBrowser *db = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int32_t i_interface, i_protocol, bt;
uint32_t u_flags;
assert(client);
assert(callback);
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!domain)
domain = "";
if (!(db = avahi_new (AvahiDomainBrowser, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
db->ref = 1;
db->client = client;
db->callback = callback;
db->userdata = userdata;
db->path = NULL;
db->interface = interface;
db->protocol = protocol;
db->static_browse_domains = NULL;
db->defer_timeout = NULL;
AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, db);
if (!(client->flags & AVAHI_CLIENT_IGNORE_USER_CONFIG)) {
parse_environment(db);
parse_domain_file(db);
}
db->static_browse_domains = avahi_string_list_reverse(db->static_browse_domains);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"))) {
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;
bt = btype;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INT32, &bt,
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 (!(db->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;
}
if (db->static_browse_domains && btype == AVAHI_DOMAIN_BROWSER_BROWSE) {
struct timeval tv = { 0, 0 };
if (!(db->defer_timeout = client->poll_api->timeout_new(client->poll_api, &tv, defer_timeout_callback, db))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
}
dbus_message_unref(message);
dbus_message_unref(reply);
return db;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (db)
avahi_domain_browser_free(db);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
