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/* -*- c++ -*- */
/*
* Copyright 2007,2011 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <qa_set_msg_handler.h>
#include <gr_top_block.h>
#include <gr_head.h>
#include <gr_null_source.h>
#include <gr_null_sink.h>
#include <gr_nop.h>
#include <gruel/msg_passing.h>
#include <iostream>
#include <boost/thread/thread.hpp>
#define VERBOSE 0
using namespace pmt;
/*
* The gr_nop block has been instrumented so that it counts
* the number of messages sent to it. We use this feature
* to confirm that gr_nop's call to set_msg_handler is working
* correctly.
*/
void qa_set_msg_handler::t0()
{
static const int NMSGS = 10;
if (VERBOSE) std::cout << "qa_set_msg_handler::t0()\n";
gr_top_block_sptr tb = gr_make_top_block("top");
gr_block_sptr src = gr_make_null_source(sizeof(int));
gr_nop_sptr nop = gr_make_nop(sizeof(int));
gr_block_sptr dst = gr_make_null_sink(sizeof(int));
tb->connect(src, 0, nop, 0);
tb->connect(nop, 0, dst, 0);
// Must start graph before sending messages
tb->start();
// Send them...
for (int i = 0; i < NMSGS; i++){
send(nop, mp(mp("example-msg"), mp(i)));
}
// And send a message to null_source to confirm that the default
// message handling action (which should be a nop) doesn't dump
// core.
send(src, mp(mp("example-msg"), mp(0)));
// Give the messages a chance to be processed
boost::this_thread::sleep(boost::posix_time::milliseconds(100));
tb->stop();
tb->wait();
// Confirm that the nop block received the right number of messages.
CPPUNIT_ASSERT_EQUAL(NMSGS, nop->nmsgs_received());
}
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