private DateTime ParseTime(JsonPacket jsonPacket)
{
string format = "MMM dd, yyyy HH:mm:ss";
DateTime dateTime;
DateTime.TryParseExact(jsonPacket._source.layers.frame.frame_time.Substring(0, 21), format, new CultureInfo("en-US"), DateTimeStyles.None, out dateTime);
return(dateTime);
}
private string ParseLength(JsonPacket jsonPacket)
{
if (jsonPacket?._source?.layers?.tcp != null)
{
return(jsonPacket._source.layers.tcp.tcp_len);
}
if (jsonPacket?._source?.layers?.udp != null)
{
return(jsonPacket._source.layers.udp.udp_length);
}
return("UNKNOWN");
}
private string ParseDestPort(JsonPacket jsonPacket)
{
if (jsonPacket?._source?.layers?.tcp != null)
{
return(jsonPacket?._source?.layers?.tcp?.tcp_dstport);
}
if (jsonPacket?._source?.layers?.udp != null)
{
return(jsonPacket?._source?.layers?.udp?.udp_dstport);
}
return("UNKNOWN");
}
public Packet ConvertJsonPacket(JsonPacket jsonPacket)
{
return(new Packet
{
Protocol = ParseProtocol(jsonPacket),
Length = ParseLength(jsonPacket),
Time = ParseTime(jsonPacket),
Source_MAC = ParseSourceMAC(jsonPacket),
Source_IP = ParseSourceIP(jsonPacket),
Source_Port = ParseSourcePort(jsonPacket),
Dest_MAC = ParseDestMAC(jsonPacket),
Dest_IP = ParseDestIP(jsonPacket),
Dest_Port = ParseDestPort(jsonPacket)
});
}
private string ParseProtocol(JsonPacket jsonPacket)
{
if (jsonPacket._source.layers.tcp != null)
{
return("TCP");
}
if (jsonPacket._source.layers.udp != null)
{
return("UDP");
}
if (jsonPacket._source.layers.icmpv6 != null)
{
return("ICMPv6");
}
if (jsonPacket._source.layers.arp != null)
{
return("ARP");
}
return("UNKNOWN");
}
private string ParseSourceIP(JsonPacket jsonPacket)
{
return(jsonPacket?._source?.layers?.ip?.ip_src);
}
private string ParseDestMAC(JsonPacket jsonPacket)
{
return(jsonPacket?._source?.layers?.eth?.eth_dst);
}
private string ParseSourceMAC(JsonPacket jsonPacket)
{
return(jsonPacket?._source?.layers?.eth?.eth_src);
}
private string ParseDestIP(JsonPacket jsonPacket)
{
return(jsonPacket?._source?.layers?.ip?.ip_dst);
}