I think you can only use .NET’s
DllImport with C code, so to do things the OO way, you will need to write a
managed wrapper (managed C++ class library) for resip/dum. How much of the
functionality you expose to your C# code is up to you (depends on the kind of
application you’re writing), however I’ve found that trying to
mimic the interface of the C++ code that I’m wrapping is the approach
that gives you the most flexibility (and saves you from writing some of the
complicated bits in C++). So, for example, for reSIProcate’s SipStack
class, you would need a __gc ManagedSipStack class has the same functions as
SipStack, and similarly for other classes in reSIProcate/DUM.
Having said this, I know there is already
work underway for a DUM v2, so I’m not sure how much of the wrapper code
would need to be re-written when/if there are interface changes coming with
that…
Also, if you’re lucky enough to be
working with .NET 2.0 already then it’s actually C++/CLI that you’ll
be using (different syntax than managed C++, which is what you use with
previous versions of .NET). Otherwise you get to look forward to doing the
conversion at some point when you want to switch.
From:
resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx
[mailto:resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of Justin Matthews
Sent: Monday, December 18, 2006
1:30 PM
To: 'heather jiang'; resiprocate-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [reSIProcate]
unmanaged dll static function help
Yes, resiprocate built
on windows is unmanaged code.
I have successfully
created a test application for C# that uses the resip library. To
translate the functionality from resiprocate to my C# app a separate DLL was
created with a C-style header function that can access the required resiprocate
code. This obviously has its drawbacks, just one example of how this can
be done.
-justin
From:
resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx
[mailto:resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of heather jiang
Sent: Monday, December 18, 2006
4:09 PM
To: heather jiang; resiprocate-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [reSIProcate]
unmanaged dll static function help
By the way, to make it clear, the intention is to use unmanaged c++
reSIProcate.dll at managed c#.net environment, and how to use the static
functions which are prohibited at dllimport/dllexport...
heather jiang
<heather37j@xxxxxxxxx> wrote:
Anyone has the case of using the reSIProcate dll at .NET
application. I found that :
1. reSIProcate dlls is unmanaged dll and needs a wrapper to be
recognized/used at c#.net code.--Is it true?
2. However, if it is the case, all static functions are not
transferrable by dllimport/export.
Could anybody help with this?
Justin Matthews
<jmatthewsr@xxxxxxxxx> wrote:
To build on windows open
reSIProcate_7_1.sln using Visual C++ 7.1 or higher.
From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx
[mailto:resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of xu cai
Sent: Monday, December 18, 2006
2:41 AM
To: resiprocate-devel@xxxxxxxxxxxxxxxxxxxx
Subject: [reSIProcate] how to
config/compile resiprocate on windows
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