/
EtherHeader.swift
49 lines (38 loc) · 1.24 KB
/
EtherHeader.swift
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//
// EtherHeader.swift
// sniffer-sample
//
// Created by ShinichiHirauchi on 2015/11/15.
// Copyright © 2015年 SAPPOROWORKS. All rights reserved.
//
import Foundation
class EtherHeader:PacketHeader{
var DestnationAddress = ""
var SourceAddress = ""
var Type:UInt16 = 0
override init(_ rawData:RawData,offset:Int){
super.init(rawData,offset: offset)
var p = _offset
let dstAddr:UnsafePointer<ether_addr> = _rawData.ptr(p)
DestnationAddress = String.fromCString(ether_ntoa(dstAddr))!
p += 6
let srcAddr:UnsafePointer<ether_addr> = _rawData.ptr(p)
SourceAddress = String.fromCString(ether_ntoa(srcAddr))!
p += 6
Type = (_rawData.memory(p) as UInt16).bigEndian
p += sizeof(UInt16)
}
override var description: String{
get{
var typeStr = ""
if(Type==0x0800){
typeStr = "IP"
}else if(Type==0x0806){
typeStr = "ARP"
}else if(Type==0x086dd){
typeStr = "IPv6"
}
return String(format:"dst:%@ src:%@ type:0x%4.4x(%@)",DestnationAddress,SourceAddress,Type,typeStr)
}
}
}