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New DBUS configure interface method: GetDriverParameterConstraint 

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2990 0c269be4-1314-0410-8aa9-9f06e86f4224
This commit is contained in:
nedko 2008-10-13 15:53:50 +00:00
parent b77ad14a17
commit 6546208a4d
1 changed files with 147 additions and 0 deletions
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147
dbus/controller_iface_configure.c
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@ -409,6 +409,147 @@ fail:
jack_error ("Ran out of memory trying to construct method return");
}
static
void
jack_controller_get_parameter_constraint(
struct jack_dbus_method_call * call,
jackctl_parameter_t * parameter)
{
uint32_t index;
uint32_t count;
union jackctl_parameter_value min;
union jackctl_parameter_value max;
union jackctl_parameter_value jackctl_value;
DBusMessageIter iter, array_iter, struct_iter;
const char * descr;
jackctl_param_type_t type;
message_arg_t value;
jack_info("jack_controller_get_parameter_constraint() called.");
call->reply = dbus_message_new_method_return(call->message);
if (!call->reply)
{
goto fail;
}
dbus_message_iter_init_append(call->reply, &iter);
value.boolean = jackctl_parameter_has_range_constraint(parameter);
/* Append the is_set argument. */
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &value))
{
goto fail_unref;
}
if (value.boolean)
{
jack_info("parameter with range constraint");
jackctl_parameter_get_range_constraint(parameter, &min, &max);
return;
}
count = jackctl_parameter_get_enum_constraints_count(parameter);
/* Open the array. */
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(vs)", &array_iter))
{
goto fail_unref;
}
/* Append enum values to the array. */
for (index = 0 ; index < count ; index++)
{
jackctl_value = jackctl_parameter_get_enum_constraint_value(parameter, index);
descr = jackctl_parameter_get_enum_constraint_description(parameter, index);
type = jackctl_parameter_get_type(parameter);
jack_controller_jack_to_dbus_variant(type, &jackctl_value, &value);
/* Open the struct. */
if (!dbus_message_iter_open_container(&array_iter, DBUS_TYPE_STRUCT, NULL, &struct_iter))
{
goto fail_close_unref;
}
if (!jack_dbus_message_append_variant(&struct_iter, PARAM_TYPE_JACK_TO_DBUS(type), PARAM_TYPE_JACK_TO_DBUS_SIGNATURE(type), &value))
{
goto fail_close2_unref;
}
if (!dbus_message_iter_append_basic(&struct_iter, DBUS_TYPE_STRING, &descr))
{
goto fail_close2_unref;
}
/* Close the struct. */
if (!dbus_message_iter_close_container(&array_iter, &struct_iter))
{
goto fail_close_unref;
}
}
/* Close the array. */
if (!dbus_message_iter_close_container(&iter, &array_iter))
{
goto fail_unref;
}
return;
fail_close2_unref:
dbus_message_iter_close_container(&array_iter, &struct_iter);
fail_close_unref:
dbus_message_iter_close_container(&iter, &array_iter);
fail_unref:
dbus_message_unref(call->reply);
call->reply = NULL;
fail:
jack_error ("Ran out of memory trying to construct method return");
}
static
void
jack_controller_dbus_get_driver_parameter_constrinat(
struct jack_dbus_method_call * call)
{
const char * parameter_name;
jackctl_parameter_t * parameter;
if (controller_ptr->driver == NULL)
{
jack_dbus_error (call, JACK_DBUS_ERROR_NEED_DRIVER, "No driver selected");
return;
}
if (!jack_dbus_get_method_args(call, DBUS_TYPE_STRING, &parameter_name, DBUS_TYPE_INVALID))
{
/* The method call had invalid arguments meaning that
* jack_dbus_get_method_args() has constructed an error for us.
*/
return;
}
parameter = jack_controller_find_parameter(jackctl_driver_get_parameters(controller_ptr->driver), parameter_name);
if (parameter == NULL)
{
jack_dbus_error(
call,
JACK_DBUS_ERROR_UNKNOWN_DRIVER_PARAMETER,
"Unknown parameter \"%s\" for driver \"%s\"",
parameter_name,
jackctl_driver_get_name(controller_ptr->driver));
return;
}
jack_controller_get_parameter_constraint(call, parameter);
}
/*
* Execute GetDriverParametersInfo method call.
*/
@ -1022,6 +1163,11 @@ JACK_DBUS_METHOD_ARGUMENTS_BEGIN(GetDriverParameterInfo)
JACK_DBUS_METHOD_ARGUMENT("parameter_info", "(ysss)", true)
JACK_DBUS_METHOD_ARGUMENTS_END
JACK_DBUS_METHOD_ARGUMENTS_BEGIN(GetDriverParameterConstraint)
JACK_DBUS_METHOD_ARGUMENT("parameter", "s", false)
JACK_DBUS_METHOD_ARGUMENT("parameter_info", "ba(vs)", true)
JACK_DBUS_METHOD_ARGUMENTS_END
JACK_DBUS_METHOD_ARGUMENTS_BEGIN(GetDriverParameterValue)
JACK_DBUS_METHOD_ARGUMENT("parameter", "s", false)
JACK_DBUS_METHOD_ARGUMENT("is_set", "b", true)
@ -1090,6 +1236,7 @@ JACK_DBUS_METHODS_BEGIN
JACK_DBUS_METHOD_DESCRIBE(SelectDriver, jack_controller_dbus_select_driver)
JACK_DBUS_METHOD_DESCRIBE(GetDriverParametersInfo, jack_controller_dbus_get_driver_parameters_info)
JACK_DBUS_METHOD_DESCRIBE(GetDriverParameterInfo, jack_controller_dbus_get_driver_parameter_info)
JACK_DBUS_METHOD_DESCRIBE(GetDriverParameterConstraint, jack_controller_dbus_get_driver_parameter_constrinat)
JACK_DBUS_METHOD_DESCRIBE(GetDriverParameterValue, jack_controller_dbus_get_driver_parameter_value)
JACK_DBUS_METHOD_DESCRIBE(SetDriverParameterValue, jack_controller_dbus_set_driver_parameter_value)
JACK_DBUS_METHOD_DESCRIBE(GetEngineParametersInfo, jack_controller_dbus_get_engine_parameters_info)