static char* avahi_client_get_string_reply_and_block (AvahiClient *client, const char *method, const char *param) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *ret, *n;
assert(client);
assert(method);
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, method))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (param) {
if (!dbus_message_append_args (message, DBUS_TYPE_STRING, ¶m, DBUS_TYPE_INVALID)) {
avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
}
reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_STRING, &ret, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
if (!(n = avahi_strdup(ret))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return n;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return NULL;
}
int avahi_client_set_host_name(AvahiClient* client, const char *name) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
assert(client);
if (!avahi_client_is_connected(client))
return avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!dbus_message_append_args (message, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
dbus_message_unref(message);
dbus_message_unref(reply);
avahi_free(client->host_name);
client->host_name = NULL;
avahi_free(client->host_name_fqdn);
client->host_name_fqdn = NULL;
return 0;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return client->error;
}
int avahi_entry_group_is_empty (AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int b;
AvahiClient *client;
assert(group);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty"))) {
r = 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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return !!b;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
uint32_t avahi_client_get_local_service_cookie(AvahiClient *client) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
assert(client);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
return AVAHI_SERVICE_COOKIE_INVALID;
}
if (client->local_service_cookie_valid)
return client->local_service_cookie;
dbus_error_init (&error);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
if (!reply || dbus_error_is_set (&error))
goto fail;
if (!dbus_message_get_args (reply, &error, DBUS_TYPE_UINT32, &client->local_service_cookie, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error))
goto fail;
dbus_message_unref(message);
dbus_message_unref(reply);
client->local_service_cookie_valid = 1;
return client->local_service_cookie;
fail:
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
return AVAHI_SERVICE_COOKIE_INVALID;
}
/* Just for internal use */
int avahi_client_simple_method_call(AvahiClient *client, const char *path, const char *interface, const char *method) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
dbus_error_init(&error);
assert(client);
assert(path);
assert(interface);
assert(method);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, path, interface, method))) {
r = 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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
static int retrieve_state(AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int32_t state;
AvahiClient *client;
dbus_error_init(&error);
assert(group);
client = group->client;
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState"))) {
r = 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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return state;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
AvahiEntryGroup* avahi_entry_group_new (AvahiClient *client, AvahiEntryGroupCallback callback, void *userdata) {
AvahiEntryGroup *group = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int state;
assert(client);
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(group = avahi_new(AvahiEntryGroup, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
group->client = client;
group->callback = callback;
group->userdata = userdata;
group->state_valid = 0;
group->path = NULL;
AVAHI_LLIST_PREPEND(AvahiEntryGroup, groups, client->groups, group);
if (!(message = dbus_message_new_method_call(
AVAHI_DBUS_NAME,
AVAHI_DBUS_PATH_SERVER,
AVAHI_DBUS_INTERFACE_SERVER,
"EntryGroupNew"))) {
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)) {
avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(group->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 ((state = retrieve_state(group)) < 0) {
avahi_client_set_errno(client, state);
goto fail;
}
avahi_entry_group_set_state(group, (AvahiEntryGroupState) state);
dbus_message_unref(message);
dbus_message_unref(reply);
return group;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (group)
avahi_entry_group_free(group);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
/** Add an arbitrary record */
int avahi_entry_group_add_record(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
uint16_t clazz,
uint16_t type,
uint32_t ttl,
const void *rdata,
size_t size) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord"))) {
r = 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_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
DBUS_TYPE_UINT32, &ttl,
DBUS_TYPE_INVALID) || append_rdata(message, rdata, size) < 0) {
r = avahi_client_set_errno(group->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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
/** Add a host/address pair */
int avahi_entry_group_add_address(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const AvahiAddress *a) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char s_address[AVAHI_ADDRESS_STR_MAX];
char *p_address = s_address;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress"))) {
r = 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 (!avahi_address_snprint (s_address, sizeof (s_address), a))
{
r = avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
goto fail;
}
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &p_address,
DBUS_TYPE_INVALID)) {
r = avahi_client_set_errno(group->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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
int avahi_entry_group_update_service_txt_strlst(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
AvahiStringList *txt) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(group);
assert(name);
assert(type);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if (!domain)
domain = "";
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt"))) {
r = 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_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INVALID) ||
append_string_list(message, txt) < 0) {
r = avahi_client_set_errno(group->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)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
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;
}
AvahiServiceResolver * avahi_service_resolver_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *name,
const char *type,
const char *domain,
AvahiProtocol aprotocol,
AvahiLookupFlags flags,
AvahiServiceResolverCallback callback,
void *userdata) {
DBusError error;
AvahiServiceResolver *r = NULL;
DBusMessage *message = NULL, *reply = NULL;
int32_t i_interface, i_protocol, i_aprotocol;
uint32_t u_flags;
char *path;
assert(client);
assert(type);
if (!domain)
domain = "";
if (!name)
name = "";
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(r = avahi_new(AvahiServiceResolver, 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->name = r->type = r->domain = NULL;
r->interface = interface;
r->protocol = protocol;
AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
if (name && name[0])
if (!(r->name = avahi_strdup(name))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(r->type = avahi_strdup(type))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (domain && domain[0])
if (!(r->domain = avahi_strdup(domain))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
i_aprotocol = (int32_t) aprotocol;
u_flags = (uint32_t) flags;
if (!(dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INT32, &i_aprotocol,
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_service_resolver_free(r);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
AvahiRecordBrowser* avahi_record_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
AvahiProtocol protocol,
const char *name,
uint16_t clazz,
uint16_t type,
AvahiLookupFlags flags,
AvahiRecordBrowserCallback callback,
void *userdata) {
AvahiRecordBrowser *b = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int32_t i_protocol, i_interface;
uint32_t u_flags;
assert(client);
assert(name);
assert(callback);
dbus_error_init(&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(b = avahi_new(AvahiRecordBrowser, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
b->client = client;
b->callback = callback;
b->userdata = userdata;
b->path = NULL;
b->name = NULL;
b->clazz = clazz;
b->type = type;
b->interface = interface;
b->protocol = protocol;
AVAHI_LLIST_PREPEND(AvahiRecordBrowser, record_browsers, client->record_browsers, b);
if (!(b->name = avahi_strdup(name))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew"))) {
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, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
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 (!(b->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 b;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (b)
avahi_record_browser_free(b);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
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;
}
