steem_message_harness.cpp

const int buf_size = MAX_MESSAGE_SIZE + 1024;
char buf[buf_size];

int main( int argc, char *argv[] ) {
  std::cin.read( buf, buf_size );
  if ( !std::cin.eof() ) {
	  std::cout << "String too long.\n";
	  return 1;
  }
  size_t size = std::cin.gcount();

  try {
	  message m;
	  // Message size and type will be filled in so that they match how
	  // many bytes we actually filled, and so that the type matches the
	  // decode function we're trying to use.
	  //
	  // m.size does *not* include the header, according to the original code..
	  //
	  // Data is padded on the wire but shortened to m.size before
	  // demarshaling.
	  m.size = fc::min( size, (size_t)MAX_MESSAGE_SIZE );
   	  m.data.resize( m.size );    
	  std::copy( buf, buf + m.size, m.data.begin() );

	  m.msg_type = graphene::net::hello_message_type;
	  graphene::net::hello_message hello = m.as<graphene::net::hello_message>();    
  } catch ( fc::exception &e ) {
	  std::cout << e.to_string() << "\n";
	  return 1;
  } catch ( std::bad_alloc &e ) {
	  std::cout << "Out of memory!";
	  abort();
  }
  return 0;