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Package fi.hut.tcm.jacob.tcpip.arp

Class Summary
Arp Arp ARP (Address Resolution Protocol).
ArpIcmpAdaptor ArpIcmpAdaptor This adaptor receives packets with unreachable hardware addresses from the EtherAddrMUX and generates the proper ICMP message, accordingly.
ArpRequestResponseMessenger ArpRequestResponseMessenger Methods for handling ARP Request responses (Arp replies).
ArpRequestState ArpRequestState Provides methods for sending ARP requests and handling replies:
- applyData calls APRequestDataMessenger to make ARP request to get Ethernet address for packet.
ArpSelectorAccessor ArpSelectorAccessor Used by ARPSelectorMUX to multiplex packets coming from Ethernet.
ArpTable ArpTable

The ARP table works as a cache memory of recently used IP addresses and their corresponding hardware addresses in order to prevent unnecessary ARP broadcasts for frequently used IP addresses.
EtherAdaptorAccessor EtherAdaptorAccessor Used to get by limitations in EthernetAdaptor.
EthernetHeaderFromNetMessenger EthernetHeaderFromNetMessenger Provides the method removeEthernetHeader for removing Ethernet header from Message.
EthernetHeaderSession EthernetHeaderSession - Adds/Removes Ethernet header
- The Message Transporter calls EthernetHeaderSession.apply(Message) in order to tell the EthernetHeaderSession what message to use.
EthernetHeaderState EthernetHeaderState Methods for handling Ethernet header of incoming and outgoing packets:
- applyFromNet calls EthernetFromNetMessenger.removeEthernetHeader to remove Ethernet header from in coming pakects.
EthernetHeaderToNetMessenger EthernetHeaderToNetMessenger Provides the method addEthernetHeader for adding Ethernet header to Message.
 


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