public static PcapPacketInfo Parse(ICaptureDevice dev, RawCapture packet, PcapPacketParserOption option)
{
var analyze_param = new PacketAnalyzeParam(dev, packet);
/* パケット解析 */
Analyze(analyze_param);
return(CreatePacketInfo(packet, analyze_param, option));
}
public static PacketObject Convert(ICaptureDevice dev, RawCapture packet, PcapPacketParserOption option)
{
if (packet == null)
{
return(null);
}
var info = Parse(dev, packet, option);
return(new PacketObject(
"WinPcap",
PacketFacility.Device,
"",
PacketPriority.Standard,
PacketAttribute.Data,
info.DateTime,
"",
info.Direction,
info.Source,
info.Destination,
0x00,
null,
info.Data));
}
private static PcapPacketInfo CreatePacketInfo(RawCapture packet, PacketAnalyzeParam param, PcapPacketParserOption option)
{
var packet_info = new PcapPacketInfo();
packet_info.DateTime = packet.Timeval.Date;
packet_info.Direction = (param.IsSend) ? (PacketDirection.Send) : (PacketDirection.Recv);
packet_info.Information = param.Protocol;
switch (option.SourceInfo)
{
case SourceInfoType.MacAddress:
if (param.SourceHwAddress != null)
{
packet_info.Source = param.SourceHwAddress.ToString();
}
break;
case SourceInfoType.IpAddressAndPortNo:
if (param.SourceAddress != null)
{
packet_info.Source = string.Format("{0}:{1}", param.SourceAddress.ToString(), param.SourcePort);
}
break;
case SourceInfoType.IpAddress:
if (param.SourceAddress != null)
{
packet_info.Source = param.SourceAddress.ToString();
}
break;
case SourceInfoType.PortNo:
if (param.SourceAddress != null)
{
packet_info.Source = string.Format(":{0}", param.SourcePort.ToString());
}
break;
}
switch (option.DestinationInfo)
{
case DestinationInfoType.MacAddress:
if (param.DestinationHwAddress != null)
{
packet_info.Destination = param.DestinationHwAddress.ToString();
}
break;
case DestinationInfoType.IpAddressAndPortNo:
if (param.DestinationAddress != null)
{
packet_info.Destination = string.Format("{0}:{1}", param.DestinationAddress.ToString(), param.DestinationPort);
}
break;
case DestinationInfoType.IpAddress:
if (param.DestinationAddress != null)
{
packet_info.Destination = param.DestinationAddress.ToString();
}
break;
case DestinationInfoType.PortNo:
if (param.DestinationAddress != null)
{
packet_info.Destination = string.Format(":{0}", param.DestinationPort.ToString());
}
break;
}
switch (option.DataContents)
{
case DataContentsType.Payload:
packet_info.Data = param.PayloadFrame;
break;
case DataContentsType.Raw:
default:
packet_info.Data = param.DataLinkFrame;
break;
}
if (packet_info.Data == null)
{
packet_info.Data = new byte[] { };
}
return(packet_info);
}
