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LinkLayer.cs ( File view )

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			/// <summary>************************************************************************
/// Copyright (C) 2001, Patrick Charles and Jonas Lehmann                   *
/// Distributed under the Mozilla Public License                            *
/// http://www.mozilla.org/NPL/MPL-1.1.txt                                *
/// *************************************************************************
/// </summary>
namespace SharpPcap.Packets
{

    /// <summary> Information about network link layers.
    /// 
    /// </summary>
    public class LinkLayer : LinkLayers
    {

        /// <summary> Fetch the header length associated with various link-layer types.</summary>
        /// <param name="layerType">the link-layer code
        /// </param>
        /// <returns> the length of the header for the specified link-layer
        /// </returns>
        public static int getLinkLayerLength(int layerType)
        {

            switch (layerType)
            {

                
                case LinkLayers_Fields.ARCNET: 
                    return 6;
                
                case LinkLayers_Fields.SLIP: 
                    return 16;
                
                case LinkLayers_Fields.SLIP_BSDOS: 
                    return 24;
                
                case LinkLayers_Fields.NULL: 
                case LinkLayers_Fields.LOOP: 
                    return 4;
                
                case LinkLayers_Fields.PPP: 
                case LinkLayers_Fields.CHDLC: 
                case LinkLayers_Fields.PPP_SERIAL: 
                    return 4;
                
                case LinkLayers_Fields.PPP_BSDOS: 
                    return 24;
                
                case LinkLayers_Fields.FDDI: 
                    return 21;
                
                case LinkLayers_Fields.IEEE802_11: 
                    return 22;
                
                case LinkLayers_Fields.ATM_RFC1483: 
                    return 8;
                
                case LinkLayers_Fields.RAW: 
                    return 0;
                
                case LinkLayers_Fields.ATM_CLIP: 
                    return 8;
                
                case LinkLayers_Fields.LINUX_SLL: 
                    return 16;
                
                case LinkLayers_Fields.EN10MB: 
                default: 
                    return 14;
                
}
        
}
        
        /// <summary> Fetch the offset into the link-layer header where the protocol code
        /// can be found. Returns -1 if there is no embedded protocol code.
        /// </summary>
        /// <param name="layerType">the link-layer code
        /// </param>
        /// <returns> the offset in bytes
        /// </returns>
        public static int getProtoOffset(int layerType)
        {

            switch (layerType)
            {

                
                case LinkLayers_Fields.ARCNET: 
                    return 2;
                
                case LinkLayers_Fields.SLIP: 
                    return - 1;
                
                case LinkLayers_Fields.SLIP_BSDOS: 
                    return - 1;
                
                case LinkLayers_Fields.NULL: 
                case LinkLayers_Fields.LOOP: 
                    return 0;
                
                case LinkLayers_Fields.PPP: 
                case LinkLayers_Fields.CHDLC: 
                case LinkLayers_Fields.PPP_SERIAL: 
                    return 2;
                
                case LinkLayers_Fields.PPP_BSDOS: 
                    return 5;
                
                case LinkLayers_Fields.FDDI: 
                    return 13;
                
                case LinkLayers_Fields.IEEE802_11: 
                    return 14;
                
                case LinkLayers_Fields.ATM_RFC1483: 
                    return 6;
                
                case LinkLayers_Fields.RAW: 
                    return - 1;
                
                case LinkLayers_Fields.ATM_CLIP: 
                    return 6;
                
                case LinkLayers_Fields.LINUX_SLL: 
                    return 14;
                
                case LinkLayers_Fields.EN10MB: 
                default: 
                    return 12;
                
}
        
}
        
        /// <summary> Fetch a link-layer type description.</summary>
        /// <param name="code">the code associated with the description.
        /// </param>
        /// <returns> a description of the link-layer type.
        /// </returns>
        public static System.String getDescription(int code)
        {

            System.Int32 c = (System.Int32) code;
            if (descriptions.ContainsKey(c))
            {

                //UPGRADE_TODO: Method 'java.util.HashMap.get' was converted to 'System.Collections.Hashtable.Item' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilHashMapget_javalangObject'"
                return (System.String) descriptions[c];
            
}
            else
                return
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AssemblyInfo.cs2.32 kB10-08-09|02:39
Example01.IfList.csproj3.96 kB10-08-09|02:39
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AssemblyInfo.cs2.32 kB10-08-09|02:39
Example10.SendQueue.csproj4.49 kB10-08-09|02:39
Example10.SendQueues.cs4.61 kB10-08-09|02:39
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Example12.PacketManipulation.cs5.36 kB10-08-09|02:39
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Example3.BasicCap.cs2.87 kB10-08-09|02:39
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Example4.BasicCapNoCallback.cs2.65 kB10-08-09|02:39
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Example6.DumpTCP.cs3.70 kB10-08-09|02:39
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AssemblyInfo.cs2.32 kB10-08-09|02:39
Example09.SendPacket.csproj4.00 kB10-08-09|02:39
Example9.SendPacket.cs2.92 kB10-08-09|02:39
LICENSE7.46 kB10-08-09|02:39
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SharpPcap.sln8.49 kB10-08-09|02:39
010.00 B
App.ico1.05 kB10-08-09|02:39
AssemblyInfo.cs2.39 kB10-08-09|02:39
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ARPFields.cs4.55 kB10-08-09|02:39
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EthernetFields.cs2.06 kB10-08-09|02:39
EthernetPacket.cs14.43 kB10-08-09|02:39
ICMPFields.cs2.13 kB10-08-09|02:39
ICMPMessage.cs4.84 kB10-08-09|02:39
ICMPMessages.cs4.43 kB10-08-09|02:39
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IGMPFields.cs2.53 kB10-08-09|02:39
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IGMPMessages.cs1.26 kB10-08-09|02:39
IGMPPacket.cs5.94 kB10-08-09|02:39
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IPv6Fields.cs3.35 kB10-08-09|02:39
IPv6Packet.cs12.96 kB10-08-09|02:39
LinkLayer.cs7.54 kB10-08-09|02:39
LinkLayers.cs3.23 kB10-08-09|02:39
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PacketFactory.cs3.21 kB10-08-09|02:39
RawPacket.cs3.58 kB10-08-09|02:39
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TCPPacket.cs23.19 kB10-08-09|02:39
UDPFields.cs2.23 kB10-08-09|02:39
UDPPacket.cs10.09 kB10-08-09|02:39
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makefile579.00 B10-08-09|02:39
makefile-test0.00 B10-08-09|02:39
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package.html1.07 kB10-08-09|02:39
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010.00 B
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SharpPcap.dll.config492.00 B10-08-09|02:39
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IPAddressRange.cs4.04 kB10-08-09|02:39
IPSubnet.cs2.41 kB10-08-09|02:39
IPUtil.cs8.93 kB10-08-09|02:39
Int64Range.cs1.77 kB10-08-09|02:39
NumberRange.cs5.54 kB10-08-09|02:39
Random.cs2.53 kB10-08-09|02:39
Version.cs1.43 kB10-08-09|02:39
010.00 B
SharpPcap.html31.81 kB10-08-09|02:39
010.00 B
SharpPcap.png15.47 kB10-08-09|02:39
010.00 B
App.ico1.05 kB10-08-09|02:39
ArpPacketTest.cs2.62 kB10-08-09|02:39
AssemblyInfo.cs2.28 kB10-08-09|02:39
CheckFilterTest.cs528.00 B10-08-09|02:39
EthernetPacketTest.cs7.32 kB10-08-09|02:39
Form1.cs2.91 kB10-08-09|02:39
Form1.resx6.83 kB10-08-09|02:39
IPAddressRangeTest.cs3.42 kB10-08-09|02:39
IPSubnetTest.cs599.00 B10-08-09|02:39
IPv6PacketTest.cs4.07 kB10-08-09|02:39
Int64RangeTest.cs3.41 kB10-08-09|02:39
InvalidPacketTest.cs1.25 kB10-08-09|02:39
IpUtilTest.cs2.12 kB10-08-09|02:39
PacketsTest.cs1.09 kB10-08-09|02:39
PcapGetAllDevices.cs781.00 B10-08-09|02:39
PcapTest.cs313.00 B10-08-09|02:39
SendTcpSynExample.cs6.63 kB10-08-09|02:39
SetFilterTest.cs646.00 B10-08-09|02:39
TCPPacketTest.cs3.24 kB10-08-09|02:39
Test.csproj6.20 kB10-08-09|02:39
UDPPacketTest.cs1.04 kB10-08-09|02:39
UdpTest.cs2.13 kB10-08-09|02:39
010.00 B
README827.00 B10-08-09|02:39
arp_request_response.pcap158.00 B10-08-09|02:39
ip_packet_bogus_length.pcap1.53 kB10-08-09|02:39
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tcp.pcap106.00 B10-08-09|02:39
tcp_with_extra_bytes.pcap100.00 B10-08-09|02:39
test_stream.pcap613.00 B10-08-09|02:39
udp_dns_request_response.pcap521.00 B10-08-09|02:39
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nunit.framework.dll44.00 kB10-08-09|02:39
make_bin_release1.31 kB10-08-09|02:39
make_src_release888.00 B10-08-09|02:39
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