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Done ICMPPacket api docs

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Elia Sulimanov 2020-06-17 08:19:22 +03:00
parent ef98ad48a7
commit a7b2276dca
1 changed files with 87 additions and 0 deletions
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87
source/Cosmos.System2/Network/IPv4/ICMPPacket.cs
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@ -2,13 +2,33 @@
namespace Cosmos.System.Network.IPv4
{
/// <summary>
/// ICMPPacket class. See also: <seealso cref="IPPacket"/>.
/// </summary>
internal class ICMPPacket : IPPacket
{
/// <summary>
/// Packet type.
/// </summary>
protected byte icmpType;
/// <summary>
/// Packet code.
/// </summary>
protected byte icmpCode;
/// <summary>
/// Packet CRC.
/// </summary>
protected ushort icmpCRC;
/// <summary>
/// Received reply.
/// </summary>
public static ICMPEchoReply recvd_reply;
/// <summary>
/// Create new inctanse of the <see cref="ICMPPacket"/> class.
/// </summary>
/// <param name="packetData">Packet data.</param>
/// <exception cref="ArgumentException">Thrown if packetData is invalid.</exception>
internal static void ICMPHandler(byte[] packetData)
{
NetworkStack.debugger.Send("ICMP Handler called");
@ -38,16 +58,27 @@ namespace Cosmos.System.Network.IPv4
new ICMPPacket();
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPPacket"/> class.
/// </summary>
internal ICMPPacket()
: base()
{
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPPacket"/> class.
/// </summary>
/// <param name="rawData">Raw data.</param>
internal ICMPPacket(byte[] rawData)
: base(rawData)
{
}
/// <summary>
/// Init ICMPPacket fields.1
/// </summary>
/// <exception cref="ArgumentException">Thrown if RawData is invalid or null.</exception>
protected override void initFields()
{
//Sys.Console.WriteLine("ICMPPacket.initFields() called;");
@ -57,6 +88,17 @@ namespace Cosmos.System.Network.IPv4
icmpCRC = (ushort)((RawData[DataOffset + 2] << 8) | RawData[DataOffset + 3]);
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPPacket"/> class.
/// </summary>
/// <param name="source">Source address.</param>
/// <param name="dest">Destination address.</param>
/// <param name="type">Type.</param>
/// <param name="code">Code.</param>
/// <param name="id">ID.</param>
/// <param name="seq">SEQ.</param>
/// <param name="icmpDataSize">Data size.</param>
/// <exception cref="ArgumentException">Thrown if RawData is invalid or null.</exception>
internal ICMPPacket(Address source, Address dest, byte type, byte code, ushort id, ushort seq, ushort icmpDataSize)
: base(icmpDataSize, 1, source, dest, 0x00)
{
@ -75,6 +117,11 @@ namespace Cosmos.System.Network.IPv4
initFields();
}
/// <summary>
/// Calculate ICMP CRC3.
/// </summary>
/// <param name="length">Lenght.</param>
/// <returns></returns>
protected ushort CalcICMPCRC(ushort length)
{
return CalcOcCRC(DataOffset, length);
@ -108,10 +155,17 @@ namespace Cosmos.System.Network.IPv4
protected ushort icmpID;
protected ushort icmpSequence;
/// <summary>
/// Create new inctanse of the <see cref="ICMPEchoRequest"/> class.
/// </summary>
internal ICMPEchoRequest()
{
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPEchoRequest"/> class.
/// </summary>
/// <param name="rawData">Raw data.</param>
internal ICMPEchoRequest(byte[] rawData)
: base(rawData)
{
@ -151,20 +205,34 @@ namespace Cosmos.System.Network.IPv4
internal ushort ICMP_ID => icmpID;
internal ushort ICMP_Sequence => icmpSequence;
/// <summary>
/// To string.
/// </summary>
/// <returns>string value.</returns>
public override string ToString()
{
return "ICMP Echo Request Src=" + SourceIP + ", Dest=" + DestinationIP + ", ID=" + icmpID + ", Sequence=" + icmpSequence;
}
}
/// <summary>
/// ICMPEchoReply class. See also: <seealso cref="ICMPPacket"/>.
/// </summary>
internal class ICMPEchoReply : ICMPPacket
{
protected ushort icmpID;
protected ushort icmpSequence;
/// <summary>
/// Create new inctanse of the <see cref="ICMPEchoReply"/> class.
/// </summary>
internal ICMPEchoReply()
{
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPEchoReply"/> class.
/// </summary>
/// <param name="rawData">Raw data.</param>
internal ICMPEchoReply(byte[] rawData)
: base(rawData)
{
@ -178,6 +246,10 @@ namespace Cosmos.System.Network.IPv4
new ICMPEchoReply();
}
/// <summary>
/// Init ICMPEchoReply fields.
/// </summary>
/// <exception cref="ArgumentException">Thrown if RawData is invalid or null.</exception>
protected override void initFields()
{
//Sys.Console.WriteLine("ICMPEchoReply.initFields() called;");
@ -186,6 +258,11 @@ namespace Cosmos.System.Network.IPv4
icmpSequence = (ushort)((RawData[DataOffset + 6] << 8) | RawData[DataOffset + 7]);
}
/// <summary>
/// Create new inctanse of the <see cref="ICMPEchoReply"/> class.
/// </summary>
/// <param name="request">ICMP echo request.</param>
/// <exception cref="ArgumentException">Thrown if RawData is invalid or null.</exception>
internal ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0,
request.ICMP_ID, request.ICMP_Sequence, (ushort)(request.ICMP_DataLength + 8))
@ -202,9 +279,19 @@ namespace Cosmos.System.Network.IPv4
RawData[DataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
/// <summary>
/// Get ICMP ID.
/// </summary>
internal UInt16 ICMP_ID => icmpID;
/// <summary>
/// Get ICMP sequence.
/// </summary>
internal UInt16 ICMP_Sequence => icmpSequence;
/// <summary>
/// To string.
/// </summary>
/// <returns>string value.</returns>
public override string ToString()
{
return "ICMP Echo Reply Src=" + SourceIP + ", Dest=" + DestinationIP + ", ID=" + icmpID + ", Sequence=" + icmpSequence;