/// <summary>
/// This function build an IGMP over IPv4 over Ethernet packet.
/// </summary>
public static Packet BuildIgmpPacket()
{
EthernetLayer ethernetLayer =
new EthernetLayer
{
Source = new MacAddress(macAddressSource),
Destination = new MacAddress(macAddressDest),
EtherType = EthernetType.None, // Will be filled automatically.
};
IpV4Layer ipV4Layer =
new IpV4Layer
{
Source = new IpV4Address(ipSource),
CurrentDestination = new IpV4Address(ipDest),
Fragmentation = IpV4Fragmentation.None,
HeaderChecksum = null, // Will be filled automatically.
Identification = 123,
Options = IpV4Options.None,
Protocol = null, // Will be filled automatically.
Ttl = 100,
TypeOfService = 0,
};
IgmpQueryVersion1Layer igmpLayer =
new IgmpQueryVersion1Layer
{
GroupAddress = new IpV4Address(ipSource),
};
PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, igmpLayer);
return(builder.Build(DateTime.Now));
}
public void DifferentIgmpSimpleLayersTest()
{
IgmpVersion1PlusSimpleLayer layer1 = new IgmpQueryVersion1Layer
{
GroupAddress = new IpV4Address("1.2.3.4")
};
IgmpVersion1PlusSimpleLayer layer2 = new IgmpQueryVersion2Layer
{
GroupAddress = new IpV4Address("1.2.3.4"),
MaxResponseTime = TimeSpan.FromMinutes(55)
};
Assert.IsFalse(layer1.Equals(layer2));
}
private void btnAdd_Click(object sender, EventArgs e)
{
try
{
IgmpQueryVersion1Layer igmpLayer =
new IgmpQueryVersion1Layer
{
GroupAddress = new IpV4Address(txtSourceIP.Text),
};
mainForm.addToPacket(igmpLayer, "ICMP -> " + txtSourceIP.Text);
}
catch (Exception)
{
MessageBox.Show("Invalid Parameters");
}
}
