/// <summary>
/// Gets the network connections currently active.
/// </summary>
/// <returns>A dictionary of network connections.</returns>
public static Dictionary<int, List<NetworkConnection>> GetNetworkConnections()
{
var retDict = new Dictionary<int, List<NetworkConnection>>();
int length = 0;
// TCP IPv4
Win32.GetExtendedTcpTable(IntPtr.Zero, ref length, false, AiFamily.INet, TcpTableClass.OwnerPidAll, 0);
using (MemoryAlloc mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedTcpTable(mem, ref length, false, AiFamily.INet, TcpTableClass.OwnerPidAll, 0) != 0)
Win32.Throw();
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
MibTcpRowOwnerPid struc = mem.ReadStruct<MibTcpRowOwnerPid>(sizeof(int), MibTcpRowOwnerPid.SizeOf, i);
if (!retDict.ContainsKey(struc.OwningProcessId))
retDict.Add(struc.OwningProcessId, new List<NetworkConnection>());
retDict[struc.OwningProcessId].Add(new NetworkConnection
{
Protocol = NetworkProtocol.Tcp,
Local = new IPEndPoint(struc.LocalAddress, ((ushort)struc.LocalPort).Reverse()),
Remote = new IPEndPoint(struc.RemoteAddress, ((ushort)struc.RemotePort).Reverse()),
State = struc.State,
Pid = struc.OwningProcessId
});
}
}
// UDP IPv4
length = 0;
Win32.GetExtendedUdpTable(IntPtr.Zero, ref length, false, AiFamily.INet, UdpTableClass.OwnerPid, 0);
using (MemoryAlloc mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedUdpTable(mem, ref length, false, AiFamily.INet, UdpTableClass.OwnerPid, 0) != 0)
Win32.Throw();
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
MibUdpRowOwnerPid struc = mem.ReadStruct<MibUdpRowOwnerPid>(sizeof(int), MibUdpRowOwnerPid.SizeOf, i);
if (!retDict.ContainsKey(struc.OwningProcessId))
retDict.Add(struc.OwningProcessId, new List<NetworkConnection>());
retDict[struc.OwningProcessId].Add(new NetworkConnection
{
Protocol = NetworkProtocol.Udp,
Local = new IPEndPoint(struc.LocalAddress, ((ushort)struc.LocalPort).Reverse()),
Pid = struc.OwningProcessId
});
}
}
// TCP IPv6
length = 0;
Win32.GetExtendedTcpTable(IntPtr.Zero, ref length, false, AiFamily.INet6, TcpTableClass.OwnerPidAll, 0);
using (MemoryAlloc mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedTcpTable(mem, ref length, false, AiFamily.INet6, TcpTableClass.OwnerPidAll, 0) == 0)
{
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
MibTcp6RowOwnerPid struc = mem.ReadStruct<MibTcp6RowOwnerPid>(sizeof(int), MibTcp6RowOwnerPid.SizeOf, i);
if (!retDict.ContainsKey(struc.OwningProcessId))
retDict.Add(struc.OwningProcessId, new List<NetworkConnection>());
retDict[struc.OwningProcessId].Add(new NetworkConnection
{
Protocol = NetworkProtocol.Tcp6,
Local = new IPEndPoint(new IPAddress(struc.LocalAddress, struc.LocalScopeId), ((ushort)struc.LocalPort).Reverse()),
Remote = new IPEndPoint(new IPAddress(struc.RemoteAddress, struc.RemoteScopeId), ((ushort)struc.RemotePort).Reverse()),
State = struc.State,
Pid = struc.OwningProcessId
});
}
}
}
// UDP IPv6
length = 0;
Win32.GetExtendedUdpTable(IntPtr.Zero, ref length, false, AiFamily.INet6, UdpTableClass.OwnerPid, 0);
using (MemoryAlloc mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedUdpTable(mem, ref length, false, AiFamily.INet6, UdpTableClass.OwnerPid, 0) == 0)
{
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
MibUdp6RowOwnerPid struc = mem.ReadStruct<MibUdp6RowOwnerPid>(sizeof(int), MibUdp6RowOwnerPid.SizeOf, i);
if (!retDict.ContainsKey(struc.OwningProcessId))
retDict.Add(struc.OwningProcessId, new List<NetworkConnection>());
retDict[struc.OwningProcessId].Add(new NetworkConnection
{
Protocol = NetworkProtocol.Udp6,
Local = new IPEndPoint(new IPAddress(struc.LocalAddress, struc.LocalScopeId), ((ushort)struc.LocalPort).Reverse()),
Pid = struc.OwningProcessId
});
}
}
}
return retDict;
}
/// <summary>
/// Gets the network connections currently active.
/// </summary>
/// <returns>A dictionary of network connections.</returns>
public static Dictionary <int, List <NetworkConnection> > GetNetworkConnections()
{
var retDict = new Dictionary <int, List <NetworkConnection> >();
int length;
// TCP IPv4
length = 0;
Win32.GetExtendedTcpTable(IntPtr.Zero, ref length, false, AiFamily.INet, TcpTableClass.OwnerPidAll, 0);
using (var mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedTcpTable(mem, ref length, false, AiFamily.INet, TcpTableClass.OwnerPidAll, 0) != 0)
{
Win32.Throw();
}
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
var struc = mem.ReadStruct <MibTcpRowOwnerPid>(sizeof(int), i);
if (!retDict.ContainsKey(struc.OwningProcessId))
{
retDict.Add(struc.OwningProcessId, new List <NetworkConnection>());
}
retDict[struc.OwningProcessId].Add(new NetworkConnection()
{
Protocol = NetworkProtocol.Tcp,
Local = new IPEndPoint(struc.LocalAddress, ((ushort)struc.LocalPort).Reverse()),
Remote = new IPEndPoint(struc.RemoteAddress, ((ushort)struc.RemotePort).Reverse()),
State = struc.State,
Pid = struc.OwningProcessId
});
}
}
// UDP IPv4
length = 0;
Win32.GetExtendedUdpTable(IntPtr.Zero, ref length, false, AiFamily.INet, UdpTableClass.OwnerPid, 0);
using (var mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedUdpTable(mem, ref length, false, AiFamily.INet, UdpTableClass.OwnerPid, 0) != 0)
{
Win32.Throw();
}
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
var struc = mem.ReadStruct <MibUdpRowOwnerPid>(sizeof(int), i);
if (!retDict.ContainsKey(struc.OwningProcessId))
{
retDict.Add(struc.OwningProcessId, new List <NetworkConnection>());
}
retDict[struc.OwningProcessId].Add(
new NetworkConnection()
{
Protocol = NetworkProtocol.Udp,
Local = new IPEndPoint(struc.LocalAddress, ((ushort)struc.LocalPort).Reverse()),
Pid = struc.OwningProcessId
});
}
}
// TCP IPv6
length = 0;
Win32.GetExtendedTcpTable(IntPtr.Zero, ref length, false, AiFamily.INet6, TcpTableClass.OwnerPidAll, 0);
using (var mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedTcpTable(mem, ref length, false, AiFamily.INet6, TcpTableClass.OwnerPidAll, 0) == 0)
{
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
var struc = mem.ReadStruct <MibTcp6RowOwnerPid>(sizeof(int), i);
if (!retDict.ContainsKey(struc.OwningProcessId))
{
retDict.Add(struc.OwningProcessId, new List <NetworkConnection>());
}
retDict[struc.OwningProcessId].Add(new NetworkConnection()
{
Protocol = NetworkProtocol.Tcp6,
Local = new IPEndPoint(new IPAddress(struc.LocalAddress, struc.LocalScopeId), ((ushort)struc.LocalPort).Reverse()),
Remote = new IPEndPoint(new IPAddress(struc.RemoteAddress, struc.RemoteScopeId), ((ushort)struc.RemotePort).Reverse()),
State = struc.State,
Pid = struc.OwningProcessId
});
}
}
}
// UDP IPv6
length = 0;
Win32.GetExtendedUdpTable(IntPtr.Zero, ref length, false, AiFamily.INet6, UdpTableClass.OwnerPid, 0);
using (var mem = new MemoryAlloc(length))
{
if (Win32.GetExtendedUdpTable(mem, ref length, false, AiFamily.INet6, UdpTableClass.OwnerPid, 0) == 0)
{
int count = mem.ReadInt32(0);
for (int i = 0; i < count; i++)
{
var struc = mem.ReadStruct <MibUdp6RowOwnerPid>(sizeof(int), i);
if (!retDict.ContainsKey(struc.OwningProcessId))
{
retDict.Add(struc.OwningProcessId, new List <NetworkConnection>());
}
retDict[struc.OwningProcessId].Add(
new NetworkConnection()
{
Protocol = NetworkProtocol.Udp6,
Local = new IPEndPoint(new IPAddress(struc.LocalAddress, struc.LocalScopeId), ((ushort)struc.LocalPort).Reverse()),
Pid = struc.OwningProcessId
});
}
}
}
return(retDict);
}