private async Task ScanPorts(List <string> range, ObservableCollection <PortModel> openedPorts, int maxThreads)
{
var allTasks = new List <Task>();
var throttler = new SemaphoreSlim(initialCount: maxThreads);
source = new CancellationTokenSource();
foreach (var ip in range)
{
await throttler.WaitAsync(source.Token);
allTasks.Add(
Task.Run(async() =>
{
try
{
await PortScanning.PortDetecter(ip, openedPorts, source.Token);
}
finally
{
throttler.Release();
}
}));
}
await Task.WhenAll(allTasks);
}
public void TryParseTest3()
{
string ip = "123.3.2";
System.Net.IPAddress returnIP;
var isValid = PortScanning.TryParse(ip, out returnIP);
Assert.IsFalse(isValid);
}
public void GetRangeTest1()
{
string beginIPStr = "127.0.0.10";
string endIPStr = "127.0.0.1";
IPAddress beginIP;
IPAddress endIP;
var isBeginIPValid = PortScanning.TryParse(beginIPStr, out beginIP);
var isEndIPValid = PortScanning.TryParse(endIPStr, out endIP);
Assert.ThrowsException <ArgumentException>(() => PortScanning.GetIPRange(beginIP, endIP));
}
public void GetRangeTest2()
{
string beginIPStr = "127.0.0.1";
string endIPStr = "127.0.0.10";
IPAddress beginIP;
IPAddress endIP;
var isBeginIPValid = PortScanning.TryParse(beginIPStr, out beginIP);
var isEndIPValid = PortScanning.TryParse(endIPStr, out endIP);
var range = PortScanning.GetIPRange(beginIP, endIP);
Assert.AreEqual(range.Count, 10);
}
public void GetRangeTest3()
{
string beginIPStr = "127.0.0.1";
string endIPStr = "127.0.0.10";
IPAddress beginIP;
IPAddress endIP;
var isBeginIPValid = PortScanning.TryParse(beginIPStr, out beginIP);
var isEndIPValid = PortScanning.TryParse(endIPStr, out endIP);
var range = PortScanning.GetIPRange(beginIP, endIP);
Assert.IsTrue(range.Contains("127.0.0.7"));
Assert.IsFalse(range.Contains("127.0.0.15"));
}
public async void ScanPortsAsync(object parameter)
{
try
{
if (ValidateIPs(_beginIPStr, _endIPStr))
{
SetButtonsEnable(false);
List <string> range = new List <string>();
PortScanning.TryParse(_beginIPStr, out _beginIP);
PortScanning.TryParse(_endIPStr, out _endIP);
bool _isSameIP = _beginIPStr == _endIPStr;
if (_isSameIP)
{
_endIPStr = _beginIPStr;
range = new List <string> {
_beginIPStr
};
}
else
{
try
{
range = PortScanning.GetIPRange(_beginIP, _endIP);
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, "Warning");
return;
}
}
//_openPorts = new ObservableCollection<PortModel>();
//dgOpenedPorts.ItemsSource = _openedPorts;
await ScanPorts(range, _openPorts, (int)_maxThreadsCount);
}
else
{
return;
}
}
catch (OperationCanceledException)
{
await _logger.LogAsync("Scanning was canceled", LogSeverity.Info);
SetButtonsEnable(true);
source = null;
return;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
await _logger.LogAsync(ex.ToString(), LogSeverity.Error);
SetButtonsEnable(true);
source = null;
return;
}
}
