[Ns-bugs] [Bug 1079] New: MPI code doesn't compile

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=1079

           Summary: MPI code doesn't compile
           Product: ns-3
           Version: ns-3-dev
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: mpi
        AssignedTo: riley at ece.gatech.edu
        ReportedBy: jpelkey at gatech.edu
                CC: ns-bugs at isi.edu
   Estimated Hours: 0.0


[811/1546] cxx: src/mpi/model/mpi-interface.cc -> 
build/debug/src/mpi/model/mpi-interface_1.o 
../src/mpi/model/mpi-interface.cc: In static member function ‘static void 
ns3::MpiInterface::ReceiveMessages()’: 
../src/mpi/model/mpi-interface.cc:245:15: error: ‘pDev’ was not declared in 
this scope 
../src/mpi/model/mpi-interface.cc:250:7: error: ‘pDev’ was not declared in 
this scope 
../src/mpi/model/mpi-interface.cc:254:40: error: ‘Receive’ is not a member 
of ‘ns3::MpiNetDevice’ 
In file included from debug/ns3/attribute.h:25:0, 
                 from debug/ns3/nstime.h:24, 
                 from ../src/mpi/model/mpi-interface.h:28, 
                 from ../src/mpi/model/mpi-interface.cc:26: 
debug/ns3/ptr.h: In destructor ‘ns3::Ptr<T>::~Ptr() [with T = 
ns3::MpiNetDevice]’: 
../src/mpi/model/mpi-interface.cc:239:25:   instantiated from here 
debug/ns3/ptr.h:455:7: error: ‘class ns3::MpiNetDevice’ has no member named 
‘Unref’ 
debug/ns3/ptr.h: In member function ‘void ns3::Ptr<T>::Acquire() const [with 
T = ns3::MpiNetDevice]’: 
debug/ns3/ptr.h:423:3:   instantiated from ‘ns3::Ptr<T>::Ptr(T*) [with T = 
ns3::MpiNetDevice]’ 
debug/ns3/ptr.h:375:55:   instantiated from ‘ns3::Ptr<T> 
ns3::DynamicCast(const ns3::Ptr<T2>&) [with T1 = ns3::MpiNetDevice, T2 = 
ns3::NetDevice]’ 
../src/mpi/model/mpi-interface.cc:245:57:   instantiated from here 
debug/ns3/ptr.h:410:7: error: ‘class ns3::MpiNetDevice’ has no member named 
‘Ref’ 
Waf: Leaving directory `/home/rmovac/ns-3-allinone/ns-3-dev/build' 
Build failed:  -> task failed (err #1): 
        {task: cxx mpi-interface.cc -> mpi-interface_1.o}

================

Variable pDev was changed to pMpiDev. This is an easy enough fix; however, we
also need a smart pointer for MpiNetDevice. I tried to make it use
SimpleRefCount, but the compiler threw errors about "error: request for member
‘Unref’ is ambiguous" I'm not exactly sure how to proceed.

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