public void GetUdpConnections()
{
int AF_INET = 2; // IP_v4
int buffSize = 20000;
byte[] buffer = new byte[buffSize];
int res = IPHlpAPI32Wrapper.GetExtendedUdpTable(buffer, out buffSize, true, AF_INET, UDP_TABLE_CLASS.UDP_TABLE_OWNER_PID, 0);
if (res != Utils.NO_ERROR)
{
buffer = new byte[buffSize];
res = IPHlpAPI32Wrapper.GetExtendedUdpTable(buffer, out buffSize, true, AF_INET, UDP_TABLE_CLASS.UDP_TABLE_OWNER_PID, 0);
if (res != Utils.NO_ERROR)
{
return;
}
}
int nOffset = 0;
int NumEntries = Convert.ToInt32(buffer[nOffset]);
nOffset += 4;
for (int i = 0; i < NumEntries; i++)
{
TCPUDPConnection row = new TCPUDPConnection(this);
row.Protocol = Protocol.UDP;
row.Local = Utils.BufferToIPEndPoint(buffer, ref nOffset, false);
row.PID = Utils.BufferToInt(buffer, ref nOffset);
this.Add(row);
}
}
//IPv6 Version
public void GetUdp6Connections()
{
int AF_INET = (int)AddressFamily.InterNetworkV6; // IP_v6
int buffSize = 20000;
byte[] buffer = new byte[buffSize];
int res = IPHlpAPI32Wrapper.GetExtendedUdpTable(buffer, out buffSize, true, AF_INET, UDP_TABLE_CLASS.UDP_TABLE_OWNER_PID, 0);
if (res != Utils.NO_ERROR)
{
buffer = new byte[buffSize];
res = IPHlpAPI32Wrapper.GetExtendedUdpTable(buffer, out buffSize, true, AF_INET, UDP_TABLE_CLASS.UDP_TABLE_OWNER_PID, 0);
if (res != Utils.NO_ERROR)
{
return;
}
}
int nOffset = 0;
int NumEntries = Convert.ToInt32(buffer[nOffset]);
nOffset += 4;
for (int i = 0; i < NumEntries; i++)
{
TCPUDPConnection row = new TCPUDPConnection(this);
row.Protocol = Protocol.UDP;
row.AddressFamily = AddressFamily.InterNetworkV6;
// Read in local address information
row.Local = Utils.BufferToIPv6EndPoint(buffer, ref nOffset);
// PID
row.PID = BitConverter.ToInt32(buffer, nOffset);
nOffset += 4;
this.Add(row);
}
}