[Ns-bugs] [Bug 624] Unable to modify packet tag in RouteInput ()

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=624


wilson thong <wilsonwk at ee.cityu.edu.hk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|ns-bugs at isi.edu             |wilsonwk at ee.cityu.edu.hk
             Status|NEW                         |ASSIGNED




--- Comment #3 from wilson thong <wilsonwk at ee.cityu.edu.hk>  2009-07-06 01:27:49 EDT ---
Created an attachment (id=515)
 --> (http://www.nsnam.org/bugzilla/attachment.cgi?id=515)
Patch RouteInput () to accept non-const packet

This second patch is another option to allow modifying tag in RouteInput ()
method. This patch changes the RouteInput () signature so that the first
argument becomes Ptr<Packet>, instead of its original Ptr<const Packet>

In contrast, the first patch mentioned in
http://www.nsnam.org/bugzilla/show_bug.cgi?id=624#c2 changes the
Packet::RemovePacketTag (Tag &tag) method to be a const method, so that packet
tag is still able to be removed with when the packet is referenced by Ptr<const
Packet>.

The two patches SHOULD NOT co-exist together, as the amount of changes is more
than necessary. Nevertheless, compilation is success even if two patches are
applied together.


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