#include <iostream>
#include <cstdlib>

#include "SysPlusPlus"
#include "ComPlusPlus"


int main ( int argc, char *argv [] ) {

  if ( argc != 2 ) {
    std::cout << "Usage: " << argv [0] << "port \n";	
  	exit(1);
  }
  	
  int CPort = std::atoi ( argv[1] );	

try {	
  int SPort = CPort + 1;
  compp::SocketUdp Srv( SPort );	
  char buf[1000];
  std::memset( (void*)buf, 0, sizeof ( buf ) );
  compp::SocketUdp Clnt(CPort);

  // ************************** 1 *********************
  Clnt.Sendto("Hello Udp1!", 11, "127.0.0.1", SPort);  
  Srv.Recv(buf, sizeof(buf),0);
  std::cout << "---" << buf << "---\n";

  // ************************** 2 *********************
  std::memset( (void*)buf, 0, sizeof ( buf ) );
  Clnt.Sendto("Hello Udp2!", 11, "127.0.0.1", SPort);  
  Srv.Connect("127.0.0.1", CPort);
  Srv.Read(buf, sizeof(buf));
  std::cout << "---" << buf << "---\n";
    
  // ************************** 3 *********************
  std::memset( (void*)buf, 0, sizeof ( buf ) );
  Srv.Send("Hello Udp3!", 11,0);  
  Clnt.Recv((void*)buf, 11,0);
  //Srv.Read(buf, 11);
  std::cout << "---" << buf << "---\n";

  // ************************** 4 *********************
  std::memset( (void*)buf, 0, sizeof ( buf ) );
  Clnt.Connect("127.0.0.1", SPort);
  Srv.Write("Hello Udp4!");  
  Clnt.Read(buf, 11);
  std::cout << "---" << buf << "---\n";
  
  return 0;
} catch ( syspp::ComException e ) {
  std::cout << "Exception " << e.what( ) << "\n" ;	
	
}  	
}