DnsResultHandler.hxx

#ifndef MSRP_DNSRESULTHANDLER_HXX
#define MSRP_DNSRESULTHANDLER_HXX

#include <asio.hpp>

#include "DnsResultSinkImpl.hxx"

namespace msrp
{

template<
   typename Query,
   typename Handler,
   typename PostFunction
   >
class DnsResultHandler : public DnsResultSinkImpl
{
   public:
      DnsResultHandler(asio::io_service& fifo, const Handler& handler, const PostFunction& post) :
         mFifo(fifo), mHandler(handler), mPost(post)
      {}

      virtual ~DnsResultHandler()
      {}

   private:
      virtual void onDnsResult(const resip::DNSResult<typename Query::Type>& result)
      {
         mFifo.post(boost::bind(mHandler, result));

         mPost(this);
      }

      asio::io_service& mFifo;

      // !cb! std::unary_function<resip::DNSResult<Query::Type>, void>
      //
      // It is important that your address vector parameter is not a ref&,
      // and forces a copy, since this handler will be deleted by the time
      // mHandler is called by the asio::io_service dispatcher.
      const Handler mHandler;

      // !cb! std::unary_function<resip::DnsResultSink*, void> (cleanup)
      const PostFunction mPost;
};

}

#endif

// Copyright (c) 2006, 2007 Chris L. Bond.
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