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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#ifndef INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP
#define INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP
#include <gras_impl/debug.hpp>
#include <gras_impl/bitset.hpp>
#include <gras/gras.hpp>
#include <gras/block.hpp>
#include <gras/top_block.hpp>
#include <gras/thread_pool.hpp>
#include <Apology/Worker.hpp>
#include <gras_impl/token.hpp>
#include <gras_impl/messages.hpp>
#include <gras_impl/output_buffer_queues.hpp>
#include <gras_impl/input_buffer_queues.hpp>
#include <gras_impl/interruptible_thread.hpp>
#include <vector>
#include <set>
namespace gras
{
struct BlockActor : Apology::Worker
{
BlockActor(void);
~BlockActor(void);
Block *block_ptr;
std::string name; //for debug
ThreadPool thread_pool;
//do it here so we can match w/ the handler declarations
void register_handlers(void)
{
this->RegisterHandler(this, &BlockActor::handle_topology);
this->RegisterHandler(this, &BlockActor::handle_top_alloc);
this->RegisterHandler(this, &BlockActor::handle_top_active);
this->RegisterHandler(this, &BlockActor::handle_top_inert);
this->RegisterHandler(this, &BlockActor::handle_top_token);
this->RegisterHandler(this, &BlockActor::handle_top_config);
this->RegisterHandler(this, &BlockActor::handle_top_thread_group);
this->RegisterHandler(this, &BlockActor::handle_input_tag);
this->RegisterHandler(this, &BlockActor::handle_input_buffer);
this->RegisterHandler(this, &BlockActor::handle_input_token);
this->RegisterHandler(this, &BlockActor::handle_input_check);
this->RegisterHandler(this, &BlockActor::handle_input_alloc);
this->RegisterHandler(this, &BlockActor::handle_output_buffer);
this->RegisterHandler(this, &BlockActor::handle_output_token);
this->RegisterHandler(this, &BlockActor::handle_output_check);
this->RegisterHandler(this, &BlockActor::handle_output_hint);
this->RegisterHandler(this, &BlockActor::handle_output_alloc);
this->RegisterHandler(this, &BlockActor::handle_self_kick);
this->RegisterHandler(this, &BlockActor::handle_update_inputs);
}
//handlers
void handle_topology(const Apology::WorkerTopologyMessage &, const Theron::Address);
void handle_top_alloc(const TopAllocMessage &, const Theron::Address);
void handle_top_active(const TopActiveMessage &, const Theron::Address);
void handle_top_inert(const TopInertMessage &, const Theron::Address);
void handle_top_token(const TopTokenMessage &, const Theron::Address);
void handle_top_config(const GlobalBlockConfig &, const Theron::Address);
void handle_top_thread_group(const SharedThreadGroup &, const Theron::Address);
void handle_input_tag(const InputTagMessage &, const Theron::Address);
void handle_input_buffer(const InputBufferMessage &, const Theron::Address);
void handle_input_token(const InputTokenMessage &, const Theron::Address);
void handle_input_check(const InputCheckMessage &, const Theron::Address);
void handle_input_alloc(const InputAllocMessage &, const Theron::Address);
void handle_output_buffer(const OutputBufferMessage &, const Theron::Address);
void handle_output_token(const OutputTokenMessage &, const Theron::Address);
void handle_output_check(const OutputCheckMessage &, const Theron::Address);
void handle_output_hint(const OutputHintMessage &, const Theron::Address);
void handle_output_alloc(const OutputAllocMessage &, const Theron::Address);
void handle_self_kick(const SelfKickMessage &, const Theron::Address);
void handle_update_inputs(const UpdateInputsMessage &, const Theron::Address);
//helpers
void buffer_returner(const size_t index, SBuffer &buffer);
void mark_done(void);
void handle_task(void);
void input_fail(const size_t index);
void output_fail(const size_t index);
void sort_tags(const size_t index);
void trim_tags(const size_t index);
void produce(const size_t index, const size_t items);
void consume(const size_t index, const size_t items);
void produce_buffer(const size_t index, const SBuffer &buffer);
GRAS_FORCE_INLINE bool any_inputs_done(void)
{
if (this->inputs_done.none() or this->input_queues.all_ready()) return false;
for (size_t i = 0; i < this->get_num_inputs(); i++)
{
if (this->inputs_done[i] and not this->input_queues.ready(i))
{
return true;
}
}
return false;
}
//per port properties
std::vector<size_t> input_items_sizes;
std::vector<size_t> output_items_sizes;
std::vector<InputPortConfig> input_configs;
std::vector<OutputPortConfig> output_configs;
//keeps track of production
std::vector<item_index_t> items_consumed;
std::vector<item_index_t> items_produced;
//work buffers for the new work interface
Block::InputItems input_items;
Block::OutputItems output_items;
//track the subscriber counts
std::vector<Token> input_tokens;
std::vector<Token> output_tokens;
BitSet inputs_done;
BitSet outputs_done;
std::set<Token> token_pool;
std::vector<SBufferToken> output_buffer_tokens;
//buffer queues and ready conditions
InputBufferQueues input_queues;
OutputBufferQueues<SBuffer> output_queues;
//tag tracking
std::vector<bool> input_tags_changed;
std::vector<std::vector<Tag> > input_tags;
//interruptible thread stuff
bool interruptible_work;
SharedThreadGroup thread_group;
boost::shared_ptr<InterruptibleThread> interruptible_thread;
//work helpers
inline void task_work(void)
{
block_ptr->work(this->input_items, this->output_items);
}
//is the fg running?
enum
{
BLOCK_STATE_INIT,
BLOCK_STATE_LIVE,
BLOCK_STATE_DONE,
} block_state;
long buffer_affinity;
std::vector<std::vector<OutputHintMessage> > output_allocation_hints;
bool topology_init;
};
} //namespace gras
#endif /*INCLUDED_LIBGRAS_IMPL_BLOCK_ACTOR_HPP*/
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