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/* -*- c++ -*- */
/*
* Copyright 2006,2008 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <mblock/mblock.h>
#include <mb_mblock_impl.h>
#include <mblock/runtime.h>
#include <mblock/exception.h>
#include <iostream>
static pmt_t s_sys_port = pmt_intern("%sys-port");
static pmt_t s_halt = pmt_intern("%halt");
mb_visitor::~mb_visitor()
{
// nop base case for virtual destructor.
}
mb_mblock::mb_mblock(mb_runtime *runtime,
const std::string &instance_name,
pmt_t user_arg)
: d_impl(mb_mblock_impl_sptr(
new mb_mblock_impl(dynamic_cast<mb_runtime_base*>(runtime),
this, instance_name)))
{
}
mb_mblock::~mb_mblock()
{
}
void
mb_mblock::initial_transition()
{
// default implementation does nothing
}
void
mb_mblock::handle_message(mb_message_sptr msg)
{
// default implementation does nothing
}
void
mb_mblock::main_loop()
{
while (1){
mb_message_sptr msg;
try {
while (1){
msg = impl()->msgq().get_highest_pri_msg();
// check for %halt from %sys-port
if (pmt_eq(msg->port_id(), s_sys_port) && pmt_eq(msg->signal(), s_halt))
exit();
handle_message(msg);
}
}
catch (pmt_exception e){
std::cerr << "\nmb_mblock::main_loop: ignored pmt_exception: "
<< e.what()
<< "\nin mblock instance \"" << instance_name()
<< "\" while handling message:"
<< "\n port_id = " << msg->port_id()
<< "\n signal = " << msg->signal()
<< "\n data = " << msg->data()
<< "\n metatdata = " << msg->metadata() << std::endl;
}
}
}
////////////////////////////////////////////////////////////////////////
// Forward other methods to implementation class //
////////////////////////////////////////////////////////////////////////
mb_port_sptr
mb_mblock::define_port(const std::string &port_name_string,
const std::string &protocol_class_name,
bool conjugated,
mb_port::port_type_t port_type)
{
return d_impl->define_port(port_name_string, protocol_class_name,
conjugated, port_type);
}
void
mb_mblock::define_component(const std::string &component_name,
const std::string &class_name,
pmt_t user_arg)
{
d_impl->define_component(component_name, class_name, user_arg);
}
void
mb_mblock::connect(const std::string &comp_name1, const std::string &port_name1,
const std::string &comp_name2, const std::string &port_name2)
{
d_impl->connect(comp_name1, port_name1,
comp_name2, port_name2);
}
void
mb_mblock::disconnect(const std::string &comp_name1, const std::string &port_name1,
const std::string &comp_name2, const std::string &port_name2)
{
d_impl->disconnect(comp_name1, port_name1,
comp_name2, port_name2);
}
void
mb_mblock::disconnect_component(const std::string &component_name)
{
d_impl->disconnect_component(component_name);
}
void
mb_mblock::disconnect_all()
{
d_impl->disconnect_all();
}
int
mb_mblock::nconnections() const
{
return d_impl->nconnections();
}
bool
mb_mblock::walk_tree(mb_visitor *visitor)
{
return d_impl->walk_tree(visitor);
}
std::string
mb_mblock::instance_name() const
{
return d_impl->instance_name();
}
void
mb_mblock::set_instance_name(const std::string &name)
{
d_impl->set_instance_name(name);
}
std::string
mb_mblock::class_name() const
{
return d_impl->class_name();
}
void
mb_mblock::set_class_name(const std::string &name)
{
d_impl->set_class_name(name);
}
mb_mblock *
mb_mblock::parent() const
{
return d_impl->mblock_parent();
}
void
mb_mblock::exit()
{
throw mbe_exit(); // adios...
}
void
mb_mblock::shutdown_all(pmt_t result)
{
d_impl->runtime()->request_shutdown(result);
}
pmt_t
mb_mblock::schedule_one_shot_timeout(const mb_time &abs_time, pmt_t user_data)
{
mb_msg_accepter_sptr accepter = impl()->make_accepter(s_sys_port);
return d_impl->runtime()->schedule_one_shot_timeout(abs_time, user_data,
accepter);
}
pmt_t
mb_mblock::schedule_periodic_timeout(const mb_time &first_abs_time,
const mb_time &delta_time,
pmt_t user_data)
{
mb_msg_accepter_sptr accepter = impl()->make_accepter(s_sys_port);
return d_impl->runtime()->schedule_periodic_timeout(first_abs_time,
delta_time,
user_data,
accepter);
}
void
mb_mblock::cancel_timeout(pmt_t handle)
{
d_impl->runtime()->cancel_timeout(handle);
}
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