[Click] changing both data and header

Eddie Kohler kohler at cs.ucla.edu
Wed May 4 09:02:01 EDT 2011


Hi Jessica,

That's a misunderstanding: a WritablePacket is a type of Packet, so all the 
header changes you want can be made to the WritablePacket (which you get by 
calling uniqueify()).

Eddie


On 05/04/2011 04:50 AM, Jessica Shahper wrote:
> Hi all!
>
> I want to change the packet data and place some indication about that change in
> the header data, but click does not allow simultaneous change in the packet data
> and the packet header since it has to be either Packet or WritablePacket , would
> it be a good way if I declare the packets as writable packets first and encode
> the contents and then change them to Packets before embedding the information in
> the header?
>
> Regards,
> Jessica
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> click at amsterdam.lcs.mit.edu
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