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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#include <gras_impl/block_actor.hpp>
#include <boost/foreach.hpp>
using namespace gras;
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);
//Changed is a boolean to enable sorting of tags: If the offset is 0, there is nothing to sort,
//because tags are being used for message passing, or this is just the first tag in a stream.
this->input_tags_changed[index] = this->input_tags_changed[index] or message.tag.offset != 0;
this->inputs_available.set(index);
this->handle_task();
}
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->inputs_available.set(index);
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->is_input_done(index)) //missing an upstream provider
{
this->mark_done();
}
//or re-enter handle task so fail logic can mark done
else
{
this->handle_task();
}
}
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.queue = block_ptr->input_buffer_allocator(index, message.config);
if (new_msg.queue) this->post_upstream(index, new_msg);
}
void BlockActor::handle_input_update(const InputUpdateMessage &message, const Theron::Address)
{
MESSAGE_TRACER();
const size_t i = message.index;
//update buffer queue configuration
if (i >= this->input_queues.size()) return;
const size_t preload_bytes = this->input_items_sizes[i]*this->input_configs[i].preload_items;
const size_t reserve_bytes = this->input_items_sizes[i]*this->input_configs[i].reserve_items;
const size_t maximum_bytes = this->input_items_sizes[i]*this->input_configs[i].maximum_items;
this->input_queues.update_config(i, this->input_items_sizes[i], preload_bytes, reserve_bytes, maximum_bytes);
}
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