private void Callback(IAsyncResult ar)
{
ScanArgs data = ((ScanArgs)ar.AsyncState);
try {
if (data.IsTimeouted)
{
return;
}
data.Set.Set();
if (!IsScanning)
{
return;
}
data.Soket.EndConnect(ar);
UIThread.Execute(() => () => {
_results.Add(new IpResult(data.Ip, this._selfIp));
});
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
finally {
data.Soket.Close();
int count = Interlocked.Increment(ref _count);
Percent = count * 100 / data.Ips.Length;
if (count == data.Ips.Length)
{
IsScanning = false;
}
}
}
private void Scan(string[] ipList)
{
if (ipList.Length != 0)
{
IsScanning = true;
}
_count = 0;
Percent = 0;
Parallel.ForEach(ipList, ip => {
if (!IsScanning)
{
return;
}
IPAddress ipAddress = IPAddress.Parse(ip);
IPEndPoint endPoint = new IPEndPoint(ipAddress, 3337);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var state = new ScanArgs(socket, ipList, ip);
socket.BeginConnect(endPoint, Callback, state);
if (!state.Set.WaitOne(Timeout))
{
state.IsTimeouted = true;
socket.Close();
}
});
}
/// <summary>
/// Application entry point.
/// </summary>
/// <param name="args">Command-line arguments.</param>
public static void Main(string[] args)
{
log4net.Config.DOMConfigurator.Configure();
ScanJob job = new ScanJob(ScanArgs.Parse(args));
job.Run();
}
/// <summary>
/// The IPAddressGenerated event handler.
/// </summary>
/// <param name="sender">The sender IPScanner base class.</param>
/// <param name="e">The ScanArgs, containing the IP address generated.</param>
private static void IPGenerated(object sender, ScanArgs e)
{
if (IsPingable(e.IPAddress))
{
Console.WriteLine($"[{e.IPAddress}] Ping response received.");
}
}
/// <summary>
/// Обработка события сканирования сканера штрихкодов.
/// </summary>
/// <param name="text">Отсканированный текст.</param>
public virtual void OnScan(string text)
{
if (string.IsNullOrEmpty(text))
{
return;
}
var ev = Scan;
if (ev != null)
{
ScanArgs sa = new ScanArgs(text);
ev(sa);
}
}
public ScanResult ScanImage(ScanArgs args)
{
ScanResult scanResult = new ScanResult();
List <string> cmdLineArgs = new List <string>();
if (!String.IsNullOrEmpty(args.device))
{
string staticPath = "ScannedFiles/images";
string outputLocation = Path.Combine(Directory.GetCurrentDirectory(), "ScannedFiles", "images");
scanResult.scanId = Guid.NewGuid().ToString();
scanResult.fileStaticPath = $"/{staticPath}";
string fileNameFilter = string.Format("{0}-*.{1}", scanResult.scanId, args.format);
string filePathPattern = string.Format("{0}/{1}-%d.{2}", outputLocation, scanResult.scanId, args.format);
cmdLineArgs.AddRange(new string[] {
string.Format("-d '{0}'", args.device),
string.Format("--source '{0}'", args.source),
string.Format("--format={0}", args.format),
string.Format("--resolution {0}", args.resolution),
//"-x 215 -y 297"
});
if (!String.IsNullOrEmpty(args.mode))
{
cmdLineArgs.Add(string.Format("--mode '{0}'", args.mode));
}
if (args.source == ScanSource.FlatBed)
{
cmdLineArgs.Add(string.Format("> {0}", filePathPattern.Replace("%d", "1")));
}
else
{
cmdLineArgs.Add(string.Format("--batch={0}", filePathPattern));
}
var shellStd = _shell.Exec(scanimage, cmdLineArgs);
Console.WriteLine($"OUTPUT {shellStd.stdout}");
Console.WriteLine($"ERROR {shellStd.stderr}");
scanResult.fileNames = Directory.EnumerateFiles(outputLocation, fileNameFilter, SearchOption.AllDirectories)
.Select(file => {
return(Path.GetFileName(file));
}).ToList();
if ((!String.IsNullOrEmpty(shellStd.stdout) &&
String.IsNullOrEmpty(shellStd.stderr) &&
String.IsNullOrEmpty(shellStd.exception)) || scanResult.fileNames.Count > 0)
{
Console.WriteLine(">>>>>>>> SUCCEED <<<<<<<<<<<<");
Console.WriteLine(shellStd.stdout);
}
else
{
Console.WriteLine(">>>>>>>> ERROR <<<<<<<<<<<<");
Console.WriteLine(shellStd.stderr);
}
}
else
{
throw new Exception("Scanner device name is required to scan");
}
return(scanResult);
}
private void MobileComputer_Scan(ScanArgs e)
{
TextView textView = FindViewById <TextView>(Resource.Id.textResult);
textView.Text = e.Text;
}
