/// <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 ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0,
request.ICMP_ID, request.ICMP_Sequence, (UInt16)(request.ICMP_DataLength + 8))
{
for (int b = 0; b < this.ICMP_DataLength; b++)
{
mRawData[this.dataOffset + 8 + b] = request.RawData[this.dataOffset + 8 + b];
}
mRawData[this.dataOffset + 2] = 0x00;
mRawData[this.dataOffset + 3] = 0x00;
icmpCRC = CalcICMPCRC((UInt16)(this.ICMP_DataLength + 8));
mRawData[this.dataOffset + 2] = (byte)((icmpCRC >> 8) & 0xFF);
mRawData[this.dataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
internal ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0,
request.ICMP_ID, request.ICMP_Sequence, (UInt16)(request.ICMP_DataLength + 8))
{
for (int b = 0; b < this.ICMP_DataLength; b++)
{
mRawData[this.dataOffset + 8 + b] = request.RawData[this.dataOffset + 8 + b];
}
mRawData[this.dataOffset + 2] = 0x00;
mRawData[this.dataOffset + 3] = 0x00;
icmpCRC = CalcICMPCRC((UInt16)(this.ICMP_DataLength + 8));
mRawData[this.dataOffset + 2] = (byte)((icmpCRC >> 8) & 0xFF);
mRawData[this.dataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
private static void IPv4_ICMPHandler(byte[] packetData)
{
ICMP.ICMPPacket icmp_packet = new ICMP.ICMPPacket(packetData);
switch (icmp_packet.ICMP_Type)
{
case 0:
ICMP.ICMPEchoReply recvd_reply = new ICMP.ICMPEchoReply(packetData);
Console.WriteLine("Received ICMP Echo reply from " + recvd_reply.SourceIP.ToString());
break;
case 8:
ICMP.ICMPEchoRequest request = new ICMP.ICMPEchoRequest(packetData);
ICMP.ICMPEchoReply reply = new ICMP.ICMPEchoReply(request);
Console.WriteLine("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
TCPIP.IPv4OutgoingBuffer.AddPacket(reply);
break;
}
}
/// <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);
}
private static void IPv4_ICMPHandler(byte[] packetData)
{
ICMP.ICMPPacket icmp_packet = new ICMP.ICMPPacket(packetData);
switch (icmp_packet.ICMP_Type)
{
case 0:
ICMP.ICMPEchoReply recvd_reply = new ICMP.ICMPEchoReply(packetData);
Console.WriteLine("Received ICMP Echo reply from " + recvd_reply.SourceIP.ToString());
break;
case 8:
ICMP.ICMPEchoRequest request = new ICMP.ICMPEchoRequest(packetData);
ICMP.ICMPEchoReply reply = new ICMP.ICMPEchoReply(request);
Console.WriteLine("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
TCPIP.IPv4OutgoingBuffer.AddPacket(reply);
break;
}
}
