1.1 --- a/examples/routing/manet-routing-compare.cc	Thu Sep 27 13:29:03 2012 -0400
     1.2 +++ b/examples/routing/manet-routing-compare.cc	Fri Sep 28 12:22:18 2012 -0700
     1.3 @@ -378,9 +378,8 @@
     1.4    //AsciiTraceHelper ascii;
     1.5    //Ptr<OutputStreamWrapper> osw = ascii.CreateFileStream ( (tr_name + ".tr").c_str());
     1.6    //wifiPhy.EnableAsciiAll (osw);
     1.7 -  std::ofstream os;
     1.8 -  os.open ((tr_name + ".mob").c_str ());
     1.9 -  MobilityHelper::EnableAsciiAll (os);
    1.10 +  AsciiTraceHelper ascii;
    1.11 +  MobilityHelper::EnableAsciiAll (ascii.CreateFileStream (tr_name + ".mob"));
    1.12  
    1.13    //Ptr<FlowMonitor> flowmon;
    1.14    //FlowMonitorHelper flowmonHelper;

     2.1 --- a/examples/wireless/wifi-wired-bridging.cc	Thu Sep 27 13:29:03 2012 -0400
     2.2 +++ b/examples/wireless/wifi-wired-bridging.cc	Fri Sep 28 12:22:18 2012 -0700
     2.3 @@ -190,9 +190,8 @@
     2.4  
     2.5    if (writeMobility)
     2.6      {
     2.7 -      std::ofstream os;
     2.8 -      os.open ("wifi-wired-bridging.mob");
     2.9 -      MobilityHelper::EnableAsciiAll (os);
    2.10 +      AsciiTraceHelper ascii;
    2.11 +      MobilityHelper::EnableAsciiAll (ascii.CreateFileStream ("wifi-wired-bridging.mob"));
    2.12      }
    2.13  
    2.14    Simulator::Stop (Seconds (5.0));

     3.1 --- a/src/mobility/helper/mobility-helper.cc	Thu Sep 27 13:29:03 2012 -0400
     3.2 +++ b/src/mobility/helper/mobility-helper.cc	Fri Sep 28 12:22:18 2012 -0700
     3.3 @@ -200,8 +200,9 @@
     3.4      }
     3.5  }
     3.6  void
     3.7 -MobilityHelper::CourseChanged (std::ostream *os, Ptr<const MobilityModel> mobility)
     3.8 +MobilityHelper::CourseChanged (Ptr<OutputStreamWrapper> stream, Ptr<const MobilityModel> mobility)
     3.9  {
    3.10 +  std::ostream* os = stream->GetStream ();
    3.11    Ptr<Node> node = mobility->GetObject<Node> ();
    3.12    *os << "now=" << Simulator::Now ()
    3.13        << " node=" << node->GetId ();
    3.14 @@ -225,25 +226,25 @@
    3.15  }
    3.16  
    3.17  void 
    3.18 -MobilityHelper::EnableAscii (std::ostream &os, uint32_t nodeid)
    3.19 +MobilityHelper::EnableAscii (Ptr<OutputStreamWrapper> stream, uint32_t nodeid)
    3.20  {
    3.21    std::ostringstream oss;
    3.22    oss << "/NodeList/" << nodeid << "/$ns3::MobilityModel/CourseChange";
    3.23    Config::ConnectWithoutContext (oss.str (), 
    3.24 -                                 MakeBoundCallback (&MobilityHelper::CourseChanged, &os));
    3.25 +                                 MakeBoundCallback (&MobilityHelper::CourseChanged, stream));
    3.26  }
    3.27  void 
    3.28 -MobilityHelper::EnableAscii (std::ostream &os, NodeContainer n)
    3.29 +MobilityHelper::EnableAscii (Ptr<OutputStreamWrapper> stream, NodeContainer n)
    3.30  {
    3.31    for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)
    3.32      {
    3.33 -      EnableAscii (os, (*i)->GetId ());
    3.34 +      EnableAscii (stream, (*i)->GetId ());
    3.35      }
    3.36  }
    3.37  void 
    3.38 -MobilityHelper::EnableAsciiAll (std::ostream &os)
    3.39 +MobilityHelper::EnableAsciiAll (Ptr<OutputStreamWrapper> stream)
    3.40  {
    3.41 -  EnableAscii (os, NodeContainer::GetGlobal ());
    3.42 +  EnableAscii (stream, NodeContainer::GetGlobal ());
    3.43  }
    3.44  int64_t
    3.45  MobilityHelper::AssignStreams (NodeContainer c, int64_t stream)

     4.1 --- a/src/mobility/helper/mobility-helper.h	Thu Sep 27 13:29:03 2012 -0400
     4.2 +++ b/src/mobility/helper/mobility-helper.h	Fri Sep 28 12:22:18 2012 -0700
     4.3 @@ -24,6 +24,7 @@
     4.4  #include <vector>
     4.5  #include "ns3/object-factory.h"
     4.6  #include "ns3/attribute.h"
     4.7 +#include "ns3/output-stream-wrapper.h"
     4.8  #include "ns3/position-allocator.h"
     4.9  #include "node-container.h"
    4.10  
    4.11 @@ -221,31 +222,31 @@
    4.12    void InstallAll (void);
    4.13  
    4.14    /**
    4.15 -   * \param os output stream
    4.16 +   * \param stream an output stream wrapper
    4.17     * \param nodeid the id of the node to generate ascii output for.
    4.18     *
    4.19     * Enable ascii output on the mobility model associated to the
    4.20     * specified nodeid and dump that to the specified stdc++ output 
    4.21     * stream.
    4.22     */
    4.23 -  static void EnableAscii (std::ostream &os, uint32_t nodeid);
    4.24 +  static void EnableAscii (Ptr<OutputStreamWrapper> stream, uint32_t nodeid);
    4.25    /**
    4.26 -   * \param os output stream
    4.27 +   * \param stream an output stream wrapper
    4.28     * \param n node container
    4.29     *
    4.30     * Enable ascii output on the mobility model associated each of
    4.31     * the nodes in the input container and dump that to the 
    4.32     * specified stdc++ output stream.
    4.33     */
    4.34 -  static void EnableAscii (std::ostream &os, NodeContainer n);
    4.35 +  static void EnableAscii (Ptr<OutputStreamWrapper> stream, NodeContainer n);
    4.36    /**
    4.37 -   * \param os output stream
    4.38 +   * \param stream an output stream wrapper
    4.39     *
    4.40     * Enable ascii output on the mobility model associated
    4.41     * every node in the system and dump that to the specified 
    4.42     * stdc++ output stream.
    4.43     */
    4.44 -  static void EnableAsciiAll (std::ostream &os);
    4.45 +  static void EnableAsciiAll (Ptr<OutputStreamWrapper> stream);
    4.46    /**
    4.47     * Assign a fixed random variable stream number to the random variables
    4.48     * used by the mobility models (including any position allocators assigned
    4.49 @@ -264,7 +265,7 @@
    4.50    /**
    4.51     * \internal
    4.52     */
    4.53 -  static void CourseChanged (std::ostream *os, Ptr<const MobilityModel> mobility);
    4.54 +  static void CourseChanged (Ptr<OutputStreamWrapper> stream, Ptr<const MobilityModel> mobility);
    4.55    std::vector<Ptr<MobilityModel> > m_mobilityStack;
    4.56    ObjectFactory m_mobility;
    4.57    Ptr<PositionAllocator> m_position;