//public string PingCmd {get; protected set;}
//public Predicate<string> PingCorrect { get; protected set; }
/// <summary>
/// Finds an open port that responds to a given command.
/// </summary>
/// <param name="board"></param>
/// <param name="portLow"></param>
/// <param name="portHigh"></param>
/// <param name="pingCmd"></param>
/// <param name="pingCorrect"></param>
/// <returns></returns>
public static int FindExistingPort(IPAddress ipAdress,
int portLow,
int portHigh,
Func <IPAddress, int, INetworkCom> getComDevice,
string pingCmd,
Predicate <string> pingCorrect,
IStatusProvider status = null)
{
//NOTE: status.UpdateStatus is a null safe extension method
status.UpdateStatus(Status.Starting("Searhing for available port."));
int thePort = -1;
//using threads to speed up tha scan
Parallel.For(portLow, portHigh - 1, (P, S) =>
{
try
{
//is the port open
TcpClient client = new TcpClient();
client.SendTimeout = 2000;
client.ReceiveTimeout = 2000;
client.Connect(ipAdress, P);
bool open = client.Connected;
client.Close();
//test to see if it will do what we want
if (open)
{
INetworkCom com = getComDevice(ipAdress, P);
if (TestConection(com, pingCmd, pingCorrect, status))
{
thePort = P;
S.Break();
}
}
client.Close();
}
catch
{
}
});
status.UpdateStatus((thePort >= 0) ? Status.Done("Found working port: " + thePort):
Status.Error("Could not find suitable port. "));
return(thePort);
}
public static bool TestConection(INetworkCom connection,
string pingCmd,
Predicate <string> pingCorrect,
IStatusProvider status = null)
{
//NOTE: status.UpdateStatus is a null safe extension method
bool successful = false;
//TelnetCom tc = new SimpleTelnetCom(Board.IpAdress, TelnetPort);
Why telnetConected = connection.Connect();
if (telnetConected)
{
Task.Delay(500);
status.UpdateStatus(Status.Done("Coms available: " + connection));
status.UpdateStatus(Status.Done("Banner data: " + connection.InputBuffer.ToString()));
successful = true;
if (!string.IsNullOrEmpty(pingCmd))
{
string telnetResponce = connection.ExecuteCommand(pingCmd);
if (pingCorrect != null)
{
successful = pingCorrect(telnetResponce);
status.UpdateStatus(successful ? Status.Done("Telnet test passed: " + telnetResponce) :
Status.Error("Telnet test failed: " + telnetResponce));
}
else
{
successful = !string.IsNullOrWhiteSpace(telnetResponce);
status.UpdateStatus(successful ? Status.Done("Telnet responded to ping command: " + telnetResponce) :
Status.Error("Telnet didn't respond to ping command: " + telnetResponce));
}
}
}
else
{
status.UpdateStatus(Status.Error("Telnet un-available: " + telnetConected.Reason ?? "(no information)"));
}
return(successful);
}
