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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 this program. If not, see <http://www.gnu.org/licenses/>.
#include <gras_impl/block_actor.hpp>
#include <boost/foreach.hpp>
using namespace gnuradio;
void BlockActor::handle_input_tag(const InputTagMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
const size_t index = message.index;
//handle incoming stream tag, push into the tag storage
this->input_tags[index].push_back(message.tag);
this->input_tags_changed[index] = true;
}
void BlockActor::handle_input_buffer(const InputBufferMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
const size_t index = message.index;
//handle incoming stream buffer, push into the queue
if (this->block_state == BLOCK_STATE_DONE) return;
this->input_queues.push(index, message.buffer);
this->handle_task();
}
void BlockActor::handle_input_token(const InputTokenMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
ASSERT(message.index < this->get_num_inputs());
//store the token of the upstream producer
this->token_pool.insert(message.token);
}
void BlockActor::handle_input_check(const InputCheckMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
const size_t index = message.index;
//an upstream block declared itself done, recheck the token
this->inputs_done.set(index, this->input_tokens[index].unique());
if (this->inputs_done.all()) //no upstream providers
{
if (not this->input_queues.all_ready())
{
this->mark_done();
}
}
}
void BlockActor::handle_input_alloc(const InputAllocMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
const size_t index = message.index;
//handle the upstream block allocation request
OutputAllocMessage new_msg;
new_msg.token = block_ptr->input_buffer_allocator(
index, message.token, message.recommend_length
);
if (new_msg.token) this->post_upstream(index, new_msg);
}
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