/// <summary>
/// Поиск свободных адресов.
/// </summary>
public void SearchFreeAddresses(SearchFreeAddressesParams searchParams)
{
foreach (var subnet in searchParams.Subnets)
{
if (String.IsNullOrWhiteSpace(subnet))
{
continue;
}
for (int i = 1; i < 255; i++)
{
string address = subnet + "." + i.ToString();
if (!ValidateIPAddress(address))
{
continue;
}
if (ExistsInDNS(address))
{
continue;
}
if (RepliesToPing(address))
{
continue;
}
searchParams.Dispatcher.BeginInvoke(searchParams.Callback, address);
}
}
}
/// <summary>
/// Валидация параметров поиска свободных адресов.
/// </summary>
/// <returns>
/// Объект SearchFreeAddressesParams - при успешной валидации.
/// Null - при ошибке валидации.
/// </returns>
private SearchFreeAddressesParams ValidateAddressesSearchParams()
{
if (String.IsNullOrWhiteSpace(tbSubnets.Text))
{
ShowErrorMessage("Укажите хотя бы одну подсеть.");
return(null);
}
var searchParams = new SearchFreeAddressesParams()
{
Subnets = new List <string>(),
Dispatcher = Dispatcher,
Callback = AddFreeAddress
};
searchParams.Subnets.AddRange(tbSubnets.Text.Replace("\r", "").Split('\n'));
return(searchParams);
}
/// <summary>
/// Асинхронный поиск свободных адресов.
/// </summary>
public Task SearchFreeAddressesAsync(SearchFreeAddressesParams searchParams)
{
return(Task.Factory.StartNew(() => SearchFreeAddresses(searchParams)));
}