/// <summary>
/// Prints out all tcpconnections and the state of the connection
/// as well as the process using it.
/// </summary>
/// <returns>a string with all the info</returns>
public static string PrintOutTcpConnections()
{
StringBuilder result = new StringBuilder();
try
{
foreach (TcpRow tcpRow in ManagedIpHelper.GetExtendedTcpTable(true))
{
result.AppendLine(string.Format(" {0,-7}{1,-23}{2, -23}{3,-14}{4}", "TCP", tcpRow.LocalEndPoint, tcpRow.RemoteEndPoint, tcpRow.State, Process.GetProcessById(tcpRow.ProcessId).ProcessName));
}
}
catch (Exception ex) { mainForm.WriteLine(ex.Message, Color.Red); }
return(result.ToString());
}
/// <summary>
/// Returns a port in use by a process
/// </summary>
/// <param name="process">The process you want to check</param>
/// <returns>the port this process is using, if the process
/// does not use a port it returns 0</returns>
public static int FindPortInUseByProcess(Process process)
{
int result = 0;
try
{
foreach (TcpRow tcpRow in ManagedIpHelper.GetExtendedTcpTable(true))
{
if (tcpRow.ProcessId == process.Id)
{
// the port is everything after : IE: 0.0.0.0:2869
string parse = string.Format("{0,-7}", tcpRow.LocalEndPoint).Split(':').Last();
int.TryParse(parse.Trim(), out result);
}
}
}
catch (Exception ex) { mainForm.WriteLine(ex.Message, Color.Red); }
return(result);
}
public static Process GetProcessCommunicatingWithRemoteIP(IPAddress address)
{
Process result = null;
try
{
foreach (TcpRow tcpRow in ManagedIpHelper.GetExtendedTcpTable(true))
{
//mainForm.WriteLine(string.Format("Comparing {0} to {1}", tcpRow.RemoteEndPoint.ToString(), address.ToString()));
string compare = tcpRow.RemoteEndPoint.Address.ToString();
if (compare.Contains(address.ToString()))
{
result = Process.GetProcessById(tcpRow.ProcessId);
}
}
}
catch (Exception ex) { mainForm.WriteLine(ex.Message, Color.Red); }
return(result);
}
/// <summary>
/// Gets a process that is listening on port
/// </summary>
/// <param name="port">the port to check </param>
/// <returns>the process listening on this port, if none returns null</returns>
public static Process GetProcessByPortInUse(int port)
{
Process result = null;
int tryPort = 0;
try
{
foreach (TcpRow tcpRow in ManagedIpHelper.GetExtendedTcpTable(true))
{
string parse = string.Format("{0,-7}", tcpRow.LocalEndPoint).Split(':').Last().Trim();
if (int.TryParse(parse, out tryPort))
{
if (tryPort == port)
{
result = Process.GetProcessById(tcpRow.ProcessId);
}
}
}
}
catch (Exception ex) { mainForm.WriteLine(ex.Message, Color.Red); }
return(result);
}