/// <summary>
/// Scan for web ports and their status async.
/// </summary>
/// <exception cref="ArgumentException">If min and max port are logically wrong.</exception>
/// <exception cref="ArgumentOutOfRangeException">If min or max value is outside the port range. </exception>
/// <exception cref="Exception">If scan of ports can't be started or any other reason.</exception>
/// <param name="sSettings">Object containing all scan settings.</param>
/// <param name="cToken">CancellationToken object.</param>
/// <returns>A collection of type web port statuses.</returns>
public async Task <IEnumerable <IPrintablePortStatus> > ScanAsync(IScanProperties sSettings, CancellationToken cToken)
{
var minPort = sSettings.GetMinPort();
var maxPort = sSettings.GetMaxPort();
if (maxPort < minPort)
{
throw new ArgumentException("Max port value is less than min port value.");
}
if (minPort < 0)
{
throw new ArgumentOutOfRangeException(nameof(minPort));
}
if (maxPort > 65535)
{
throw new ArgumentOutOfRangeException(nameof(maxPort));
}
var iPHostEntry = Dns.GetHostEntry(Dns.GetHostName());
if (iPHostEntry.AddressList.Length < 1)
{
throw new Exception("Web port scan can't be started.");
}
var host = iPHostEntry.AddressList[0];
var taskArray = Enumerable.Range(minPort, (maxPort - minPort) + 1)
.Select(x => Task.FromResult(GetPortStatus(host, x)))
.ToArray();
var masterTask = Task.Run(() => Task.WhenAll(taskArray), cToken);
var sResult = await masterTask;
var status = sSettings.GetSearchStatus();
var targetStatusStr = status.ToString();
if (masterTask.Status != TaskStatus.RanToCompletion)
{
throw new Exception("Failed to scan web ports.");
}
return(status != PortStatus.Any ? sResult.Where(x =>
x.GetStatusString() == targetStatusStr) : sResult);
}
/// <summary>
/// Scans for serial ports and their status.
/// </summary>
/// <exception cref="ArgumentException">If min and max port are logically wrong.</exception>
/// <exception cref="ArgumentOutOfRangeException">If min or max value is outside the port range. </exception>
/// <exception cref="Exception">If scan of ports can't be started or any other reason.</exception>
/// <param name="sSettings">Object containing all scan settings.</param>
/// <param name="cToken">CancellationToken object.</param>
/// <returns>A collection of type serial port statuses.</returns>
public async Task <IEnumerable <IPrintablePortStatus> > ScanAsync(IScanProperties sSettings, CancellationToken cToken)
{
var minPort = sSettings.GetMinPort();
var maxPort = sSettings.GetMaxPort();
if (maxPort < minPort)
{
throw new ArgumentException("Max port value is less than min port value.");
}
if (minPort < 0)
{
throw new ArgumentOutOfRangeException(nameof(minPort));
}
if (maxPort > 65535)
{
throw new ArgumentOutOfRangeException(nameof(maxPort));
}
var serialPorts = SerialPort.GetPortNames()
.Where(x => int.Parse(x.Substring(3)) >= minPort &&
int.Parse(x.Substring(3)) <= maxPort).ToList();
if (serialPorts.Count < 1)
{
throw new Exception("No serial port found.");
}
var sResult = await Task.Run(() => GetPortStatus(serialPorts), cToken);
var status = sSettings.GetSearchStatus();
var targetStatus = status.ToString();
return(status != PortStatus.Any ? sResult.Where(x =>
x.GetStatusString() == targetStatus) : sResult);
}