/////////////////////////////////////////////////////////////////
//  Sender.cpp - defines class to wrap function pointers      //
//  Exam3:Q4                                                   //
//  Jim Fawcett, CSE687 - Object Oriented Design, Spring 05    //
/////////////////////////////////////////////////////////////////

#include <string>
#include <sstream>
#include <iostream>

///////////////////////////////////////////////////////////
// ipc mechanism, a simulated socket

class SimulatedSocket
{
public:
  SimulatedSocket() {}
  void send(const char *buffer, int len)
  {
    std::string temp(&buffer[0],&buffer[len]);
    std::cout << "\n  " << temp.c_str();
  }
};

typedef struct { std::string ip; int port; } EndPoint;

///////////////////////////////////////////////////////////
// required answer

class sender : public std::ostringstream
{
public:
  sender() {}
  bool connect(const EndPoint& ep);
  template <typename T>
  sender& operator<<(const T t);
  void close();
private:
  SimulatedSocket sock;
};

// end required answer - need comment below also
///////////////////////////////////////////////////////////

//
bool sender::connect(const EndPoint& ep)
{
  // does socket stuff to connect
  return true;
}
//----< insertion operator >-------------------------------
//
// This function is needed to extract the input from
// the base stream and forward to the ipc mechanism,
// e.g., the socket

template <typename T>
sender& sender::operator<<(const T t)
{
  this->clear();
  std::ostringstream* pBase = this;
  *pBase << t;
  int len = strlen(pBase->str().c_str());
  sock.send(pBase->str().c_str(),len);
  return *this;
}

void main()
{
  sender sndr;
  sndr << "Hello World";

  std::cout << "\n\n";
}