[Devel] Re: [Users] BRANCH route support
iqbal at gigo.co.uk
Tue Aug 23 20:13:56 CEST 2005
So as a user, how would/could I use this
Bogdan-Andrei Iancu wrote:
> Hi everybody,
> I just finished adding support for BRANCH routes. The idea and frame
> were partial ported from SER (thanks to Juha for extracting and
> adapting patches). For those who are not familiar with this concept:
> branch route is a route to be execute separately for each branch
> before being sent out - changes in that route should reflect only on
> that branch.
> I say partial because the features, implementation were improved.
> Shortly here is a list:
> - remove from grammar default BRANCH ROUTE definition - since this
> is a 100% TM route, make no sense
> - RURI may be changed from a branch route (the routing will
> accordingly change); This capability is essential, since there are
> core function which alter the RURI, functions which cannot be blocked
> in specific route types - not handling this, may easyly lead to memory
> faults or leaks.
> - flags per branch - if flags are changed in branch_route, the
> change will not be visible for other branches, but it will be visible
> for all replies of that branch (it might be useful for per branch NAT
> - full AVP support in branch route
> - more efficient handling of lumps (changes in request) - instead
> of cloning and removing the entire lump tree for each branch, using
> lump flags, after each branch, the original lump tree will be just
> cleaned only what was added during branch route will be removed).
> still pending: how to handle append_branch() core function.....I will
> prefer to handle properly all core functions, since their execution
> cannot be banned from specific routes.
> For the moment only textops, avpops and xlog modules were enabled for
> branch route. Other will come in the future.
> PS: testing done only superficial (is quite late now).....any
> help/reports are welcomed :D
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> Users at openser.org
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