/// <summary>
/// Send a UDP packet to a destination device
/// </summary>
/// <param name="dest">IP address of destination</param>
/// <param name="srcPort">Source port</param>
/// <param name="destPort">Destination port to send data to</param>
/// <param name="data">Data to be sent</param>
public static void SendUDP(IPv4Address dest, UInt16 srcPort, UInt16 destPort, byte[] data)
{
IPv4Address source = FindNetwork(dest);
if (source == null)
{
Console.WriteLine("Destination Network Unreachable!!");
return;
}
UDP.UDPPacket outgoing = new UDP.UDPPacket(source, dest, srcPort, destPort, data);
TCPIP.IPv4OutgoingBuffer.AddPacket(outgoing);
}
internal static IPv4Address FindRoute(IPv4Address destIP)
{
for (int c = 0; c < ipConfigs.Count; c++)
{
if (ipConfigs[c].DefaultGateway.CompareTo(IPv4Address.Zero) != 0)
{
return(ipConfigs[c].DefaultGateway);
}
}
return(null);
}
/// <summary>
/// Can be used to test pinging to a network address from Cosmos
/// </summary>
/// <param name="dest">IP Address of destination</param>
public static void Ping(IPv4Address dest)
{
IPv4Address source = FindNetwork(dest);
if (source == null)
{
Console.WriteLine("Destination Network Unreachable!!");
return;
}
ICMP.ICMPEchoRequest request = new ICMP.ICMPEchoRequest(source, dest, 0x10, 1);
TCPIP.IPv4OutgoingBuffer.AddPacket(request);
}
internal static bool IsLocalAddress(IPv4Address destIP)
{
for (int c = 0; c < ipConfigs.Count; c++)
{
if ((ipConfigs[c].IPAddress.To32BitNumber() & ipConfigs[c].SubnetMask.To32BitNumber()) ==
(destIP.To32BitNumber() & ipConfigs[c].SubnetMask.To32BitNumber()))
{
return(true);
}
}
return(false);
}
public TcpClient(IPv4Address dest, UInt16 port)
{
IPv4Address source = TCPIPStack.FindNetwork(dest);
if (source == null)
{
throw new ArgumentException("Destination host unreachable", "dest");
}
this.connection = new TCPConnection(dest, port, source, NextLocalPort++, 0x5656, TCPConnection.State.SYN_SENT);
this.connection.client = this;
TCPIPStack.tcpSockets.Add(connection);
TCPPacket packet = new TCPPacket(connection, connection.LocalSequenceNumber, 0, 0x02, 8192);
TCPIP.IPv4OutgoingBuffer.AddPacket(packet);
}
internal static IPv4Address FindNetwork(IPv4Address destIP)
{
IPv4Address default_gw = null;
for (int c = 0; c < ipConfigs.Count; c++)
{
if ((ipConfigs[c].IPAddress.To32BitNumber() & ipConfigs[c].SubnetMask.To32BitNumber()) ==
(destIP.To32BitNumber() & ipConfigs[c].SubnetMask.To32BitNumber()))
{
return(ipConfigs[c].IPAddress);
}
if ((default_gw == null) && (ipConfigs[c].DefaultGateway.CompareTo(IPv4Address.Zero) != 0))
{
default_gw = ipConfigs[c].IPAddress;
}
}
return(default_gw);
}
internal static HW.Network.NetworkDevice FindInterface(IPv4Address sourceIP)
{
return(addressMap[sourceIP.To32BitNumber()]);
}
public IPv4EndPoint(IPv4Address addr, UInt16 port)
{
this.ipAddr = addr;
this.port = port;
}
public IPv4Config(IPv4Address ip, IPv4Address subnet, IPv4Address gw)
{
this.address = ip;
this.subnetMask = subnet;
this.defaultGateway = gw;
}
public IPv4Config(IPv4Address ip, IPv4Address subnet)
: this(ip, subnet, IPv4Address.Zero)
{
}
