/// <summary>
/// Initializes a new instance of the <see cref="ConfigurationAssocAttribute"/> class.
/// </summary>
/// <param name="name">The name of the configuration within the tor <c>torrc</c> configuration file.</param>
public ConfigurationAssocAttribute(string name)
{
this.defaultValue = null;
this.name = name;
this.type = null;
this.validation = ConfigurationValidation.None;
}
/// <summary>
/// Sets the value of a configuration.
/// </summary>
/// <param name="name">The configuration value to set.</param>
/// <param name="value">The value to assign to the configuration.</param>
private void SetValue(ConfigurationNames name, object value)
{
ConfigurationAssocAttribute attribute = ReflectionHelper.GetAttribute <ConfigurationNames, ConfigurationAssocAttribute>(name);
if (attribute == null)
{
return;
}
ConfigurationValidation validation = attribute.Validation;
if (validation != ConfigurationValidation.None)
{
if (validation.HasFlag(ConfigurationValidation.NonNull) && value == null)
{
throw new ArgumentNullException("value");
}
if (validation.HasFlag(ConfigurationValidation.NonZero) ||
validation.HasFlag(ConfigurationValidation.NonNegative) ||
validation.HasFlag(ConfigurationValidation.PortRange))
{
int converted = Convert.ToInt32(value);
if (validation.HasFlag(ConfigurationValidation.NonZero) && converted == 0)
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration cannot be zero");
}
if (validation.HasFlag(ConfigurationValidation.NonNegative) && converted < 0)
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration cannot be below zero");
}
if (validation.HasFlag(ConfigurationValidation.PortRange) && (converted <= 0 || short.MaxValue < converted))
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration must be within a valid port range");
}
}
if (validation.HasFlag(ConfigurationValidation.SizeDivision))
{
double converted = Convert.ToDouble(value);
if (converted % 1024 != 0)
{
throw new ArgumentException("The value of this configuration must be divisible by 1024");
}
}
}
values[name] = value;
if (PropertyChanged != null)
{
PropertyChanged(client, new PropertyChangedEventArgs(attribute.Name));
}
SetConfCommand command = new SetConfCommand(attribute.Name, ReflectionHelper.Convert(value, typeof(string)) as string);
Response response = command.Dispatch(client);
}
/// <summary>
/// Sets the value of a configuration supplied with the process arguments. Setting a configuration value within the create
/// parameters overrides any values stored in the configuration file. The control port can also be set using this method.
/// </summary>
/// <param name="configuration">The configuration which should be overridden.</param>
/// <param name="value">The value of the configuration. This should align with the type specified in the <see cref="Tor.Config.Configuration"/> class.</param>
public void SetConfig(ConfigurationNames configuration, object value)
{
ConfigurationAssocAttribute attribute = ReflectionHelper.GetAttribute <ConfigurationNames, ConfigurationAssocAttribute>(configuration);
if (attribute == null)
{
return;
}
if (value != null && !value.GetType().Equals(attribute.Type))
{
throw new ArgumentException("The value of this configuration should be of type " + attribute.Type, "value");
}
ConfigurationValidation validation = attribute.Validation;
if (validation != ConfigurationValidation.None)
{
if (validation.HasFlag(ConfigurationValidation.NonNull) && value == null)
{
throw new ArgumentNullException("value");
}
if (validation.HasFlag(ConfigurationValidation.NonZero) ||
validation.HasFlag(ConfigurationValidation.NonNegative) ||
validation.HasFlag(ConfigurationValidation.PortRange))
{
int converted = Convert.ToInt32(value);
if (validation.HasFlag(ConfigurationValidation.NonZero) && converted == 0)
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration cannot be zero");
}
if (validation.HasFlag(ConfigurationValidation.NonNegative) && converted < 0)
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration cannot be below zero");
}
if (validation.HasFlag(ConfigurationValidation.PortRange) && (converted <= 0 || short.MaxValue < converted))
{
throw new ArgumentOutOfRangeException("value", "The value of this configuration must be within a valid port range");
}
}
if (validation.HasFlag(ConfigurationValidation.SizeDivision))
{
double converted = Convert.ToDouble(value);
if (converted % 1024 != 0)
{
throw new ArgumentException("The value of this configuration must be divisible by 1024");
}
}
}
if (configuration == ConfigurationNames.ControlPort)
{
controlPort = Convert.ToInt32(value);
}
else
{
overrides[configuration] = value;
}
}
