/**
Gets active TCP connections. Recursive function because properties.GetActiveTcpConnections may throw an
exception sometimes...
@return The active TCP connections.
**/
public static TcpConnectionInformation[] GetActiveTcpConnections(IPGlobalProperties properties, int tries)
{
while(tries > 0) {
try {
return properties.GetActiveTcpConnections();
} catch(NetworkInformationException) {
return GetActiveTcpConnections(properties, tries - 1);
}
}
return null;
}
// Incoming data from the client.
//public static string data = null;
public Serveur()
{
// Establish the local endpoint for the socket.
// Dns.GetHostName returns the name of the
// host running the application.
ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress[] tabIpAdress = ipHostInfo.AddressList;
ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
ipGlobalProperties = IPGlobalProperties.GetIPGlobalProperties();
tcpConnInfoListe = ipGlobalProperties.GetActiveTcpConnections().ToList();
foreach (IPAddress adress in tabIpAdress)//TODO: résoudre pb virtual box
if (adress.AddressFamily == AddressFamily.InterNetwork)
ipAddress = adress;
}
private bool isPortOpen(int numPort)
{
ipGlobalProperties = IPGlobalProperties.GetIPGlobalProperties();
tcpConnInfoListe = ipGlobalProperties.GetActiveTcpConnections().ToList();
return tcpConnInfoListe.Exists(tcp => tcp.LocalEndPoint.Port == numPort);
}
private string GetTcpStatistics(
NetworkInterfaceComponent version,
IPGlobalProperties properties)
{
TcpStatistics tcpStat = null;
StringBuilder tcpStatBuilder = new StringBuilder();
try
{
switch (version)
{
case NetworkInterfaceComponent.IPv4:
tcpStat = properties.GetTcpIPv4Statistics();
tcpStatBuilder.Append("TCP/IPv4 Statistics\n");
break;
case NetworkInterfaceComponent.IPv6:
tcpStat = properties.GetTcpIPv6Statistics();
tcpStatBuilder.Append("TCP/IPv6 Statistics\n");
break;
default:
throw new ArgumentException("No such IP version");
}
}
catch (NetworkInformationException)
{
return String.Empty;
}
tcpStatBuilder.Append("=================================================\n");
tcpStatBuilder.AppendFormat(" Minimum Transmission Timeout .. : {0}\n",
tcpStat.MinimumTransmissionTimeout);
tcpStatBuilder.AppendFormat(" Maximum Transmission Timeout .. : {0}\n",
tcpStat.MaximumTransmissionTimeout);
tcpStatBuilder.AppendFormat(" Maximum Connections ........... : {0}\n",
tcpStat.MaximumConnections);
tcpStatBuilder.AppendFormat(" Connection Data:\n");
tcpStatBuilder.AppendFormat(" Current ...................... : {0}\n",
tcpStat.CurrentConnections);
tcpStatBuilder.AppendFormat(" Cumulative ................... : {0}\n",
tcpStat.CumulativeConnections);
tcpStatBuilder.AppendFormat(" Initiated .................... : {0}\n",
tcpStat.ConnectionsInitiated);
tcpStatBuilder.AppendFormat(" Accepted ..................... : {0}\n",
tcpStat.ConnectionsAccepted);
tcpStatBuilder.AppendFormat(" Failed Attempts .............. : {0}\n",
tcpStat.FailedConnectionAttempts);
tcpStatBuilder.AppendFormat(" Reset ........................ : {0}\n",
tcpStat.ResetConnections);
tcpStatBuilder.AppendFormat(" Errors ....................... : {0}\n",
tcpStat.ErrorsReceived);
tcpStatBuilder.AppendFormat(" Segment Data:\n");
tcpStatBuilder.AppendFormat(" Received ..................... : {0}\n",
tcpStat.SegmentsReceived);
tcpStatBuilder.AppendFormat(" Sent ......................... : {0}\n",
tcpStat.SegmentsSent);
tcpStatBuilder.AppendFormat(" Retransmitted ................ : {0}\n",
tcpStat.SegmentsResent);
tcpStatBuilder.AppendFormat(" Resent with reset ............ : {0}\n",
tcpStat.ResetsSent);
TcpConnectionInformation[] connectionsInfo = properties.GetActiveTcpConnections();
tcpStatBuilder.AppendFormat(" Active Connections ............ : {0}\n",
connectionsInfo.Length);
if (connectionsInfo.Length > 0)
{
tcpStatBuilder.Append(" Local Address Port Remote Address Port\n");
}
foreach (TcpConnectionInformation connectionInfo in connectionsInfo)
{
tcpStatBuilder.AppendFormat(" {0, -15}:{1} {2, -15}:{3}\n",
connectionInfo.LocalEndPoint.Address,
connectionInfo.LocalEndPoint.Port,
connectionInfo.RemoteEndPoint.Address,
connectionInfo.RemoteEndPoint.Port);
}
IPEndPoint[] endPoints = properties.GetActiveTcpListeners();
tcpStatBuilder.AppendFormat(" TCP Listeners ................. : {0}\n",
endPoints.Length);
if (endPoints.Length > 0)
{
tcpStatBuilder.Append(" Local Address Port\n");
}
foreach (IPEndPoint endPoint in endPoints)
{
tcpStatBuilder.AppendFormat(" {0, -15}:{1}\n",
endPoint.Address, endPoint.Port);
}
return tcpStatBuilder.ToString();
}
private void timer1_Tick(object sender, EventArgs e)
{
System.Net.NetworkInformation.IPGlobalProperties ipgp = System.Net.NetworkInformation.IPGlobalProperties.GetIPGlobalProperties();
System.Net.NetworkInformation.TcpStatistics ts = ipgp.GetTcpIPv4Statistics();
System.Net.NetworkInformation.UdpStatistics us = ipgp.GetUdpIPv4Statistics();
ArrayList al = new ArrayList();
ArrayList alus = new ArrayList();
al.Add(ts);
alus.Add(us);
if (dataGridView6.DataSource == null || (dataGridView6.DataSource != null && !((ArrayList)dataGridView6.DataSource).Equals(alus)))
{
try
{
dataGridView6.DataSource = alus;
}
catch { }
}
if (dataGridView5.DataSource == null || (dataGridView5.DataSource != null && !((ArrayList)dataGridView5.DataSource).Equals(al)))
{
try
{
dataGridView5.DataSource = al;
}
catch { }
}
System.Net.IPEndPoint[] udplist = ipgp.GetActiveUdpListeners();
if (dataGridView4.DataSource == null || (dataGridView4.DataSource != null && !((System.Net.IPEndPoint[])dataGridView4.DataSource).Equals(udplist)))
{
try
{
dataGridView4.DataSource = udplist;
}
catch { }
}
System.Net.IPEndPoint[] tcplist = ipgp.GetActiveTcpListeners();
if (dataGridView3.DataSource == null || (dataGridView3.DataSource != null && !((System.Net.IPEndPoint[])dataGridView3.DataSource).Equals(tcplist)))
{
try
{
dataGridView3.DataSource = tcplist;
}
catch { }
}
System.Net.NetworkInformation.TcpConnectionInformation[] tci = ipgp.GetActiveTcpConnections();
if (dataGridView2.DataSource == null || (dataGridView2.DataSource != null && !((System.Net.NetworkInformation.TcpConnectionInformation[])dataGridView2.DataSource).Equals(tci)))
{
try
{
dataGridView2.DataSource = tci;
}
catch { }
}
FileInfo nfi = new FileInfo(strPath);
if (nfi.LastWriteTime > fi.LastWriteTime)
{
RefreshLog();
}
}
protected bool IsConnect(int PortNO)
{
bool Connect = false;
properties = IPGlobalProperties.GetIPGlobalProperties();
connections = properties.GetActiveTcpConnections();
if (connections.Length > 0)
{
foreach (TcpConnectionInformation TCPinfor in connections)
{
if (TCPinfor.State == TcpState.Established & TCPinfor.RemoteEndPoint.Port == PortNO)
{
Connect = true;
}
}
}
return Connect;
}
private string GetLocalEndPoint(System.Net.Sockets.Socket s)
{
System.Net.NetworkInformation.IPGlobalProperties iPGlobalProperties = System.Net.NetworkInformation.IPGlobalProperties.GetIPGlobalProperties();
System.Net.NetworkInformation.TcpConnectionInformation[] activeTcpConnections = iPGlobalProperties.GetActiveTcpConnections();
System.Net.IPEndPoint iPEndPoint = (System.Net.IPEndPoint)s.RemoteEndPoint;
System.Net.NetworkInformation.TcpConnectionInformation[] array = activeTcpConnections;
for (int i = 0; i < array.Length; i++)
{
System.Net.NetworkInformation.TcpConnectionInformation tcpConnectionInformation = array[i];
if (iPEndPoint.ToString() == tcpConnectionInformation.RemoteEndPoint.ToString())
{
return(new System.Net.IPEndPoint(tcpConnectionInformation.LocalEndPoint.Address, ((System.Net.IPEndPoint)s.LocalEndPoint).Port).ToString());
}
}
return("127.0.0.1:0");
}