[ndnSIM] ndn-strategy-choice-helper.hpp:120:50: error: invalid use of incomplete type ‘class nfd::Forwarder’

Ali Marandi marandi at inf.unibe.ch
Fri Nov 11 03:19:10 PST 2016 

Hi,

When I include a header file in forwarder.hpp, I receive the following  
strange error. My header file is a ns-3 application. I look forward to  
your comments.

Thanks,
Ali

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/table/strategy-choice-entry.cpp:28:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/table/strategy-choice-entry.cpp:28:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.cpp:26:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.cpp:26:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/best-route-strategy2.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/best-route-strategy2.cpp:26:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/best-route-strategy2.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/best-route-strategy2.cpp:26:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-fixed.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-fixed.cpp:26:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-fixed.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-fixed.cpp:26:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-exponential.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-exponential.cpp:26:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/retx-suppression.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-exponential.hpp:29,
                  from  
../src/ndnSIM/NFD/daemon/fw/retx-suppression-exponential.cpp:26:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

In file included from ./ns3/ndnSIM/helper/ndn-stack-helper.hpp:32:0,
                  from ./ns3/ndn-all.hpp:23,
                  from ./ns3/ndnSIM-module.h:10,
                  from  
/home/ali/ndnSIM-test/ns-3/src/ndnSIM/utils/MyNCApp.hpp:7,
                  from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:43,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/ncc-strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/ncc-strategy.cpp:26:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp: In static member  
function ‘static void  
ns3::ndn::StrategyChoiceHelper::Install(ns3::Ptr<ns3::Node>, const  
ndn::Name&)’:
./ns3/ndnSIM/helper/ndn-strategy-choice-helper.hpp:120:50: error:  
invalid use of incomplete type ‘class nfd::Forwarder’
    nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
                                                   ^
In file included from ../src/ndnSIM/NFD/daemon/fw/forwarder.hpp:32:0,
                  from ../src/ndnSIM/NFD/daemon/fw/strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/ncc-strategy.hpp:29,
                  from ../src/ndnSIM/NFD/daemon/fw/ncc-strategy.cpp:26:
../src/ndnSIM/NFD/daemon/fw/face-table.hpp:34:7: error: forward  
declaration of ‘class nfd::Forwarder’
  class Forwarder;
        ^

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Build failed

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