ndn-app-helper.cpp

Go to the documentation of this file.

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "ndn-app-helper.hpp"
#include "ns3/log.h"
#include "ns3/string.h"
#include "ns3/names.h"
 
#include "apps/ndn-app.hpp"
#include "ndn-stack-helper.hpp"
 
#ifdef NS3_MPI
#include "ns3/mpi-interface.h"
#endif
 
NS_LOG_COMPONENT_DEFINE("ndn.AppHelper");
 
namespace ns3 {
namespace ndn {
 
AppHelper::AppHelper(const std::string& app)
{
  m_factory.SetTypeId(app);
}
 
void
AppHelper::SetPrefix(const std::string& prefix)
{
  m_factory.Set("Prefix", StringValue(prefix));
}
 
void
AppHelper::SetAttribute(std::string name, const AttributeValue& value)
{
  m_factory.Set(name, value);
}
 
ApplicationContainer
AppHelper::Install(Ptr<Node> node)
{
  ApplicationContainer apps;
  Ptr<Application> app = InstallPriv(node);
  if (app != 0)
    apps.Add(app);
 
  return apps;
}
 
ApplicationContainer
AppHelper::Install(std::string nodeName)
{
  Ptr<Node> node = Names::Find<Node>(nodeName);
  return Install(node);
}
 
ApplicationContainer
AppHelper::Install(NodeContainer c)
{
  ApplicationContainer apps;
  for (NodeContainer::Iterator i = c.Begin(); i != c.End(); ++i) {
    Ptr<Application> app = InstallPriv(*i);
    if (app != 0)
      apps.Add(app);
  }
 
  return apps;
}
 
Ptr<Application>
AppHelper::InstallPriv(Ptr<Node> node)
{
  Ptr<Application> app;
  Simulator::ScheduleWithContext(node->GetId(), Seconds(0), MakeEvent([=, &app] {
#ifdef NS3_MPI
        if (MpiInterface::IsEnabled() && node->GetSystemId() != MpiInterface::GetSystemId()) {
          // don't create an app if MPI is enabled and node is not in the correct partition
          return 0;
        }
#endif
 
        app = m_factory.Create<Application>();
        node->AddApplication(app);
      }));
  StackHelper::ProcessWarmupEvents();
 
  return app;
}
 
 
FactoryCallbackApp::FactoryCallbackApp(const FactoryCallback& factory)
  : m_factory(factory)
{
}
 
ApplicationContainer
FactoryCallbackApp::Install(Ptr<Node> node, const FactoryCallback& factory)
{
  ApplicationContainer apps;
  auto app = CreateObject<FactoryCallbackApp>(factory);
  node->AddApplication(app);
  apps.Add(app);
  return apps;
}
 
void
FactoryCallbackApp::StartApplication()
{
  m_impl = m_factory();
}
 
void
FactoryCallbackApp::StopApplication()
{
  m_impl.reset();
}
 
 
} // namespace ndn
} // namespace ns3