public void ParseFullCSR1000VIPv4()
{
var parsed = CdpPacketParser.Parse(WiresharkCSR1000VIPv4);
Assert.NotNull(parsed);
Assert.Equal("csr.log.local", parsed.DeviceId);
Assert.Equal("cisco CSR1000V", parsed.Platform);
Assert.Single(parsed.Addresses);
Assert.Equal(IPAddress.Parse("192.168.70.3"), parsed.Addresses[0]);
Assert.Equal("GigabitEthernet2", parsed.PortId);
Assert.True(parsed.HasCapabilities);
Assert.True(parsed.CanRoute);
Assert.False(parsed.CanTransparentBridge);
Assert.False(parsed.CanSourceRouteBridge);
Assert.False(parsed.CanSwitch);
Assert.False(parsed.IsHost);
Assert.True(parsed.IsIGMPCapable);
Assert.False(parsed.IsRepeater);
Assert.NotNull(parsed.OdrPrefixes);
Assert.Single(parsed.OdrPrefixes);
Assert.Equal(new IPPrefix {
Network = IPAddress.Parse("172.24.30.160"), Length = 28
}, parsed.OdrPrefixes[0]);
Assert.Null(parsed.HelloProtocol);
Assert.True(parsed.Duplex.HasValue);
Assert.Equal(ECdpDuplex.Full, parsed.Duplex);
}
public void ParseFull2960G()
{
var parsed = CdpPacketParser.Parse(WiresharkFrom2960G);
Assert.NotNull(parsed);
Assert.Equal("Acc1.nocturnal.local", parsed.DeviceId);
Assert.Equal("cisco WS-C2960G-24TC-L", parsed.Platform);
Assert.Single(parsed.Addresses);
Assert.Equal(IPAddress.Parse("10.100.1.18"), parsed.Addresses[0]);
Assert.Equal("GigabitEthernet0/7", parsed.PortId);
Assert.True(parsed.HasCapabilities);
Assert.False(parsed.CanRoute);
Assert.False(parsed.CanTransparentBridge);
Assert.False(parsed.CanSourceRouteBridge);
Assert.True(parsed.CanSwitch);
Assert.False(parsed.IsHost);
Assert.True(parsed.IsIGMPCapable);
Assert.False(parsed.IsRepeater);
Assert.NotNull(parsed.HelloProtocol);
Assert.Equal(0x00000C, parsed.HelloProtocol.Oui);
Assert.Equal(PhysicalAddress.Parse("00-1E-F6-C1-78-00"), parsed.HelloProtocol.SwitchMac);
Assert.NotNull(parsed.VtpManagementDomain);
Assert.Empty(parsed.VtpManagementDomain);
Assert.Equal(101, parsed.NativeVlan);
Assert.True(parsed.Duplex.HasValue);
Assert.Equal(ECdpDuplex.Full, parsed.Duplex.Value);
Assert.True(parsed.TrustBitmap.HasValue);
Assert.Equal(0, parsed.TrustBitmap);
Assert.True(parsed.UntrustedPortCoS.HasValue);
Assert.Equal(0, parsed.UntrustedPortCoS);
Assert.Single(parsed.Addresses);
Assert.Equal(IPAddress.Parse("10.100.1.18"), parsed.Addresses[0]);
Assert.NotNull(parsed.PowerAvailable);
Assert.Equal(0, parsed.PowerAvailable.RequestId);
Assert.Equal(1, parsed.PowerAvailable.ManagementId);
Assert.Equal(uint.MinValue, parsed.PowerAvailable.PowerAvailable);
Assert.Equal(uint.MaxValue, parsed.PowerAvailable.PowerAvailable2);
}
static void Main(string[] args)
{
// Find all Ethernet adapters on the machine.
var ethernetInterfaces =
from
nic in NetworkInterface.GetAllNetworkInterfaces()
where
nic.OperationalStatus == OperationalStatus.Up &&
nic.NetworkInterfaceType == NetworkInterfaceType.Ethernet ||
nic.NetworkInterfaceType == NetworkInterfaceType.FastEthernetFx ||
nic.NetworkInterfaceType == NetworkInterfaceType.FastEthernetT ||
nic.NetworkInterfaceType == NetworkInterfaceType.GigabitEthernet
select
nic
;
JsonSerializerSettings serializerSettings =
new JsonSerializerSettings()
{
ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver(),
DateTimeZoneHandling = DateTimeZoneHandling.Utc,
NullValueHandling = NullValueHandling.Ignore
};
serializerSettings.Converters.Add(new IPAddressConverter());
serializerSettings.Converters.Add(new IPEndPointConverter());
var tasks = new List <Task>();
foreach (var nic in ethernetInterfaces)
{
Console.WriteLine("Starting CDP for interface " + nic.Name + " of type " + nic.NetworkInterfaceType.ToString());
Task.Factory.StartNew(
async() =>
{
var llcSocket = new LLCSocket(nic.GetPhysicalAddress());
llcSocket.RegisterMacOnInterface(nic.Name, CdpAddress);
while (true)
{
var packet = llcSocket.ReceiveFrom(out PhysicalAddress remoteHost);
CdpPacket parsed = null;
try
{
Console.WriteLine("Parsing packet");
parsed = CdpPacketParser.Parse(packet);
Console.WriteLine("Packet parsed");
}
catch (Exception e)
{
Console.WriteLine("Exception while parsing: " + e.Message);
}
if (parsed != null)
{
var message = new CdpApiMessage
{
ReceivedOn = nic.Name,
ReceivedAt = DateTimeOffset.Now,
SourceMac = remoteHost.ToString(),
Packet = parsed
};
var dataAsString = JsonConvert.SerializeObject(message, serializerSettings);
var content = new StringContent(dataAsString);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
Console.WriteLine("Preparing to send packet");
Console.WriteLine("Sending " + dataAsString);
var client = new HttpClient();
await client.PostAsync("http://192.168.70.1:51954/api/cdp", content);
Console.WriteLine("Data sent");
}
}
},
TaskCreationOptions.LongRunning
);
}
Console.WriteLine("Press any key to exit");
Console.ReadKey();
}
