nDPIsrvd.(h|py): Added socket read/recv timeout.

* nDPIsrvd.h: support for O_NONBLOCK nDPIsrvd_socket

Signed-off-by: lns <matzeton@googlemail.com>

nDPId-test.c

@@ -626,6 +626,7 @@ static void * distributor_client_mainloop_thread(void * const arg)
                     case READ_ERROR:
                         logger(1, "Read and verify fd returned an error: %s", strerror(errno));
                         THREAD_ERROR_GOTO(trv);
+                    case READ_TIMEOUT:
                     case READ_PEER_DISCONNECT:
                         del_event(dis_epollfd, mock_testfds[PIPE_TEST_READ]);
                         pipe_read_finished = 1;