Catch exceptions in ntester

ntester.cpp

@@ -13,6 +13,7 @@ int main( int argc, char *argv[] )
 
   Network::Connection<KeyStroke, KeyStroke> *n;
 
+  try {
     if ( argc > 1 ) {
       server = false;
       /* client */
@@ -25,15 +26,22 @@ int main( int argc, char *argv[] )
     } else {
       n = new Network::Connection<KeyStroke, KeyStroke>();
     }
+  } catch ( CryptoException e ) {
+    fprintf( stderr, "Fatal error: %s\n", e.text.c_str() );
+    exit( 1 );
+  }
 
   fprintf( stderr, "Port bound is %d, key is %s\n", n->port(), n->get_key().c_str() );
 
   if ( server ) {
     while ( true ) {
+      try {
 	KeyStroke s = n->recv();
-
 	printf( "%c", s.letter );
 	fflush( NULL );
+      } catch ( CryptoException e ) {
+	fprintf( stderr, "Error: %s\n", e.text.c_str() );
+      }
     }
   } else {
       struct termios the_termios;