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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with io_sig program. If not, see <http://www.gnu.org/licenses/>.
#include "element_impl.hpp"
#include <gnuradio/top_block.hpp>
#include <boost/thread/thread.hpp> //sleep
using namespace gnuradio;
TopBlock::TopBlock(void)
{
//NOP
}
TopBlock::TopBlock(const std::string &name):
HierBlock(name)
{
tsbe::ExecutorConfig config;
config.topology = (*this)->topology;
(*this)->executor = tsbe::Executor(config);
(*this)->token = Token::make();
if (GENESIS) std::cout
<< "===================================================\n"
<< "== Top Block Created: " << name << "\n"
<< "===================================================\n"
<< std::flush;
}
void ElementImpl::top_block_cleanup(void)
{
TopBlockMessage event;
event.what = TopBlockMessage::INERT;
this->executor.post_msg(event);
if (ARMAGEDDON) std::cout
<< "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n"
<< "xx Top Block Destroyed: " << name << "\n"
<< "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n"
<< std::flush;
}
void TopBlock::update(void)
{
this->start(); //ok to re-start, means update
}
void TopBlock::set_buffer_hint(const size_t hint)
{
TopBlockMessage event;
event.what = TopBlockMessage::HINT;
event.hint = hint;
(*this)->executor.post_msg(event);
}
void TopBlock::start(void)
{
(*this)->executor.commit();
{
TopBlockMessage event;
event.what = TopBlockMessage::TOKEN_TIME;
event.token = (*this)->token;
(*this)->executor.post_msg(event);
}
{
TopBlockMessage event;
event.what = TopBlockMessage::ALLOCATE;
(*this)->executor.post_msg(event);
}
{
TopBlockMessage event;
event.what = TopBlockMessage::ACTIVE;
(*this)->executor.post_msg(event);
}
}
void TopBlock::stop(void)
{
TopBlockMessage event;
event.what = TopBlockMessage::INERT;
(*this)->executor.post_msg(event);
}
void TopBlock::run(void)
{
this->start();
this->wait();
}
void TopBlock::wait(void)
{
while (not (*this)->token.unique())
{
boost::this_thread::yield();
//sleep(1);
//VAR((*this)->token.use_count());
}
}
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